direct-io.hg
changeset 484:b6f13a6cdded
bitkeeper revision 1.258 (3efc5218v9et-leaVGHVRu-faTh56g)
update to official 2.4.21 kernel from 2.4.21-pre4
update to official 2.4.21 kernel from 2.4.21-pre4
| author | iap10@labyrinth.cl.cam.ac.uk |
|---|---|
| date | Fri Jun 27 14:18:00 2003 +0000 (2003-06-27) |
| parents | 0d6b14f25be6 |
| children | c6258eb58cde |
| files | .rootkeys xenolinux-2.4.21-pre4-sparse/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/boot/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/config.in xenolinux-2.4.21-pre4-sparse/arch/xeno/defconfig xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/balloon.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/dom_mem_ops.h xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_ide.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_scsi.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment_proc.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/console.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_block.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_core.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_memory.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/sched_ops.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/vfr.c xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/network.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/entry.S xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/head.S xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/hypervisor.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/i386_ksyms.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ioport.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/irq.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ldt.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/process.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/setup.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/signal.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/time.c xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/traps.c xenolinux-2.4.21-pre4-sparse/arch/xeno/lib/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/lib/delay.c xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/Makefile xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/fault.c xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/get_unmapped_area.c xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/hypervisor.c xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/init.c xenolinux-2.4.21-pre4-sparse/arch/xeno/mm/mmu_context.c xenolinux-2.4.21-pre4-sparse/arch/xeno/vmlinux.lds xenolinux-2.4.21-pre4-sparse/drivers/block/genhd.c xenolinux-2.4.21-pre4-sparse/drivers/block/ll_rw_blk.c xenolinux-2.4.21-pre4-sparse/drivers/char/tty_io.c xenolinux-2.4.21-pre4-sparse/fs/exec.c xenolinux-2.4.21-pre4-sparse/include/asm-xeno/bugs.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/desc.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/fixmap.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/highmem.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hw_irq.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/irq.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/keyboard.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mmu.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/mmu_context.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/multicall.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/page.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/pgalloc.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/pgtable-2level.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/pgtable.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/processor.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/ptrace.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/segment.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/smp.h xenolinux-2.4.21-pre4-sparse/include/asm-xeno/system.h xenolinux-2.4.21-pre4-sparse/include/linux/major.h xenolinux-2.4.21-pre4-sparse/include/linux/sunrpc/debug.h xenolinux-2.4.21-pre4-sparse/init/do_mounts.c xenolinux-2.4.21-pre4-sparse/kernel/panic.c xenolinux-2.4.21-pre4-sparse/lndir-rel xenolinux-2.4.21-pre4-sparse/mkbuildtree xenolinux-2.4.21-pre4-sparse/mm/memory.c xenolinux-2.4.21-pre4-sparse/mm/mremap.c xenolinux-2.4.21-pre4-sparse/mm/swapfile.c xenolinux-2.4.21-sparse/Makefile xenolinux-2.4.21-sparse/arch/xeno/Makefile xenolinux-2.4.21-sparse/arch/xeno/boot/Makefile xenolinux-2.4.21-sparse/arch/xeno/config.in xenolinux-2.4.21-sparse/arch/xeno/defconfig xenolinux-2.4.21-sparse/arch/xeno/drivers/balloon/Makefile xenolinux-2.4.21-sparse/arch/xeno/drivers/balloon/balloon.c xenolinux-2.4.21-sparse/arch/xeno/drivers/balloon/dom_mem_ops.h xenolinux-2.4.21-sparse/arch/xeno/drivers/block/Makefile xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_block.c xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_block.h xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_ide.c xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_scsi.c xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_segment.c xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_segment_proc.c xenolinux-2.4.21-sparse/arch/xeno/drivers/console/Makefile xenolinux-2.4.21-sparse/arch/xeno/drivers/console/console.c xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/Makefile xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_block.c xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_core.c xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_memory.c xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_ops.h xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/sched_ops.c xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/vfr.c xenolinux-2.4.21-sparse/arch/xeno/drivers/network/Makefile xenolinux-2.4.21-sparse/arch/xeno/drivers/network/network.c xenolinux-2.4.21-sparse/arch/xeno/kernel/Makefile xenolinux-2.4.21-sparse/arch/xeno/kernel/entry.S xenolinux-2.4.21-sparse/arch/xeno/kernel/head.S xenolinux-2.4.21-sparse/arch/xeno/kernel/hypervisor.c xenolinux-2.4.21-sparse/arch/xeno/kernel/i386_ksyms.c xenolinux-2.4.21-sparse/arch/xeno/kernel/ioport.c xenolinux-2.4.21-sparse/arch/xeno/kernel/irq.c xenolinux-2.4.21-sparse/arch/xeno/kernel/ldt.c xenolinux-2.4.21-sparse/arch/xeno/kernel/process.c xenolinux-2.4.21-sparse/arch/xeno/kernel/setup.c xenolinux-2.4.21-sparse/arch/xeno/kernel/signal.c xenolinux-2.4.21-sparse/arch/xeno/kernel/time.c xenolinux-2.4.21-sparse/arch/xeno/kernel/traps.c xenolinux-2.4.21-sparse/arch/xeno/lib/Makefile xenolinux-2.4.21-sparse/arch/xeno/lib/delay.c xenolinux-2.4.21-sparse/arch/xeno/mm/Makefile xenolinux-2.4.21-sparse/arch/xeno/mm/fault.c xenolinux-2.4.21-sparse/arch/xeno/mm/get_unmapped_area.c xenolinux-2.4.21-sparse/arch/xeno/mm/hypervisor.c xenolinux-2.4.21-sparse/arch/xeno/mm/init.c xenolinux-2.4.21-sparse/arch/xeno/mm/mmu_context.c xenolinux-2.4.21-sparse/arch/xeno/vmlinux.lds xenolinux-2.4.21-sparse/drivers/block/genhd.c xenolinux-2.4.21-sparse/drivers/block/ll_rw_blk.c xenolinux-2.4.21-sparse/drivers/char/tty_io.c xenolinux-2.4.21-sparse/fs/exec.c xenolinux-2.4.21-sparse/include/asm-xeno/bugs.h xenolinux-2.4.21-sparse/include/asm-xeno/desc.h xenolinux-2.4.21-sparse/include/asm-xeno/fixmap.h xenolinux-2.4.21-sparse/include/asm-xeno/highmem.h xenolinux-2.4.21-sparse/include/asm-xeno/hw_irq.h xenolinux-2.4.21-sparse/include/asm-xeno/hypervisor.h xenolinux-2.4.21-sparse/include/asm-xeno/io.h xenolinux-2.4.21-sparse/include/asm-xeno/irq.h xenolinux-2.4.21-sparse/include/asm-xeno/keyboard.h xenolinux-2.4.21-sparse/include/asm-xeno/mmu.h xenolinux-2.4.21-sparse/include/asm-xeno/mmu_context.h xenolinux-2.4.21-sparse/include/asm-xeno/multicall.h xenolinux-2.4.21-sparse/include/asm-xeno/page.h xenolinux-2.4.21-sparse/include/asm-xeno/pgalloc.h xenolinux-2.4.21-sparse/include/asm-xeno/pgtable-2level.h xenolinux-2.4.21-sparse/include/asm-xeno/pgtable.h xenolinux-2.4.21-sparse/include/asm-xeno/processor.h xenolinux-2.4.21-sparse/include/asm-xeno/ptrace.h xenolinux-2.4.21-sparse/include/asm-xeno/segment.h xenolinux-2.4.21-sparse/include/asm-xeno/smp.h xenolinux-2.4.21-sparse/include/asm-xeno/system.h xenolinux-2.4.21-sparse/include/linux/major.h xenolinux-2.4.21-sparse/include/linux/sunrpc/debug.h xenolinux-2.4.21-sparse/init/do_mounts.c xenolinux-2.4.21-sparse/kernel/panic.c xenolinux-2.4.21-sparse/lndir-rel xenolinux-2.4.21-sparse/mkbuildtree xenolinux-2.4.21-sparse/mm/memory.c xenolinux-2.4.21-sparse/mm/mremap.c xenolinux-2.4.21-sparse/mm/swapfile.c |
line diff
1.1 --- a/.rootkeys Tue Jun 24 12:05:12 2003 +0000 1.2 +++ b/.rootkeys Fri Jun 27 14:18:00 2003 +0000 1.3 @@ -469,85 +469,85 @@ 3eb3c87fPL2T_zBb0bHlbZY-ACEKRw xen/tools 1.4 3eb3c87fmKYTC5GCh_rydFakZp9ayw xen/tools/figlet/README 1.5 3eb3c87fdQKQ5OBGbM-KjZfi9Us4ng xen/tools/figlet/figlet.c 1.6 3eb3c87fS7DNbg0i6yhFs28UIqAK5g xen/tools/figlet/xen.flf 1.7 -3e5a4e6589G-U42lFKs43plskXoFxQ xenolinux-2.4.21-pre4-sparse/Makefile 1.8 -3e5a4e65IEPjnWPZ5w3TxS5scV8Ewg xenolinux-2.4.21-pre4-sparse/arch/xeno/Makefile 1.9 -3e5a4e65n-KhsEAs-A4ULiStBp-r6w xenolinux-2.4.21-pre4-sparse/arch/xeno/boot/Makefile 1.10 -3e5a4e65OV_j_DBtjzt5vej771AJsA xenolinux-2.4.21-pre4-sparse/arch/xeno/config.in 1.11 -3e5a4e65TNEycLeXqPSXQJQm_xGecA xenolinux-2.4.21-pre4-sparse/arch/xeno/defconfig 1.12 -3e6377f5xwPfYZkPHPrDbEq1PRN7uQ xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/Makefile 1.13 -3e6377f8Me8IqtvEhb70XFgOvqQH7A xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/balloon.c 1.14 -3e6377fbMjXWAQd0XN0FWv4fDEo6fg xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/dom_mem_ops.h 1.15 -3e5a4e65iHEuC5sjFhj42XALYbLVRw xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/Makefile 1.16 -3e5a4e65pP5spJErBW69pJxSSdK9RA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.c 1.17 -3e67f822FOPwqHiaRKbrskgWgoNL5g xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h 1.18 -3e677190SjkzJIvFifRVeYpIZOCtYA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_ide.c 1.19 -3e677193nOKKTLJzcAu4SYdbZaia8g xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_scsi.c 1.20 -3e676eb5RXnHzSHgA1BvM0B1aIm4qg xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment.c 1.21 -3e5d129aDldt6geU2-2SzBae34sQzg xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment_proc.c 1.22 -3e5a4e65G3e2s0ghPMgiJ-gBTUJ0uQ xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/Makefile 1.23 -3e5a4e651TH-SXHoufurnWjgl5bfOA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/console.c 1.24 -3e5a4e656nfFISThfbyXQOA6HN6YHw xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/Makefile 1.25 -3e5a4e65Cc7io-vynYob10SlqXTjAQ xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_block.c 1.26 -3e5a4e65BXtftInNHUC2PjDfPhdZZA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_core.c 1.27 -3e5a4e65uXAx05p6B1-HU2tijuw8qA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_memory.c 1.28 -3e5a4e65EOOLlPwXnhSuX-iVdWLmnA xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h 1.29 -3e6dba59C8o0kBks7UZ4IW_FY853Aw xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/sched_ops.c 1.30 -3e5a4e65gfn_ltB8ujHMVFApnTTNRQ xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/vfr.c 1.31 -3e5a4e65gZBRBB6RsSVg1c9iahigAw xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/Makefile 1.32 -3e5a4e65ZxKrbFetVB84JhrTyZ1YuQ xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/network.c 1.33 -3e5a4e65lWzkiPXsZdzPt2RNnJGG1g xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/Makefile 1.34 -3e5a4e65_hqfuxtGG8IUy6wRM86Ecg xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/entry.S 1.35 -3e5a4e65Hy_1iUvMTPsNqGNXd9uFpg xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/head.S 1.36 -3e5a4e65ibVQmwlOn0j3sVH_j_6hAg xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/hypervisor.c 1.37 -3e5a4e65RMGcuA-HCn3-wNx3fFQwdg xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/i386_ksyms.c 1.38 -3e5a4e65MEvZhlr070sK5JsfAQlv7Q xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ioport.c 1.39 -3e5a4e653U6cELGv528IxOLHvCq8iA xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/irq.c 1.40 -3e5a4e65muT6SU3ck47IP87Q7Ti5hA xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ldt.c 1.41 -3e5a4e65IGt3WwQDNiL4h-gYWgNTWQ xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/process.c 1.42 -3e5a4e66tR-qJMLj3MppcKqmvuI2XQ xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/setup.c 1.43 -3e5a4e66fWSTagLGU2P8BGFGRjhDiw 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xenolinux-2.4.21-pre4-sparse/arch/xeno/vmlinux.lds 1.55 -3ea53c6em6uzVHSiGqrbbAVofyRY_g xenolinux-2.4.21-pre4-sparse/drivers/block/genhd.c 1.56 -3e5a4e66mrtlmV75L1tjKDg8RaM5gA xenolinux-2.4.21-pre4-sparse/drivers/block/ll_rw_blk.c 1.57 -3e5a4e66rw65CxyolW9PKz4GG42RcA xenolinux-2.4.21-pre4-sparse/drivers/char/tty_io.c 1.58 -3e5a4e669uzIE54VwucPYtGwXLAbzA xenolinux-2.4.21-pre4-sparse/fs/exec.c 1.59 -3e5a4e66wbeCpsJgVf_U8Jde-CNcsA xenolinux-2.4.21-pre4-sparse/include/asm-xeno/bugs.h 1.60 -3e5a4e66HdSkvIV6SJ1evG_xmTmXHA xenolinux-2.4.21-pre4-sparse/include/asm-xeno/desc.h 1.61 -3e5a4e66SYp_UpAVcF8Lc1wa3Qtgzw xenolinux-2.4.21-pre4-sparse/include/asm-xeno/fixmap.h 1.62 -3e5a4e67w_DWgjIJ17Tlossu1LGujQ xenolinux-2.4.21-pre4-sparse/include/asm-xeno/highmem.h 1.63 -3e5a4e67YtcyDLQsShhCfQwPSELfvA xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hw_irq.h 1.64 -3e5a4e677VBavzM1UZIEcH1B-RlXMA xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor.h 1.65 -3e5a4e67Ulv-Ll8Zp4j2GwMwQ8aAXQ 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-3e5a4e67AJPjW-zL7p-xWuA6IVeH1g xenolinux-2.4.21-pre4-sparse/include/asm-xeno/ptrace.h 1.77 -3e5a4e68uJz-xI0IBVMD7xRLQKJDFg xenolinux-2.4.21-pre4-sparse/include/asm-xeno/segment.h 1.78 -3e5a4e68Nfdh6QcOKUTGCaYkf2LmYA xenolinux-2.4.21-pre4-sparse/include/asm-xeno/smp.h 1.79 -3e5a4e68mTr0zcp9SXDbnd-XLrrfxw xenolinux-2.4.21-pre4-sparse/include/asm-xeno/system.h 1.80 -3e5a4e68WLX3B8owTvktP3HHOtznPQ xenolinux-2.4.21-pre4-sparse/include/linux/major.h 1.81 -3e5a4e686V0nioX2ZpFf056sgvdiQw xenolinux-2.4.21-pre4-sparse/include/linux/sunrpc/debug.h 1.82 -3e5a4e68W_hpMlM3u_-QOKMp3gzcwQ xenolinux-2.4.21-pre4-sparse/init/do_mounts.c 1.83 -3e5a4e68TJJavrunYwTAnLRSBxSYqQ xenolinux-2.4.21-pre4-sparse/kernel/panic.c 1.84 -3eba8f878XjouY21EkQBXwYBsPsipQ xenolinux-2.4.21-pre4-sparse/lndir-rel 1.85 -3e6e7c1efbQe93xCvOpOVCnXTMmQ5w xenolinux-2.4.21-pre4-sparse/mkbuildtree 1.86 -3e5a4e68GxCIaFH4sy01v1wjapetaA xenolinux-2.4.21-pre4-sparse/mm/memory.c 1.87 -3e5a4e681xMPdF9xCMwpyfuYMySU5g 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xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_block.c 1.99 +3e67f822FOPwqHiaRKbrskgWgoNL5g xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_block.h 1.100 +3e677190SjkzJIvFifRVeYpIZOCtYA xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_ide.c 1.101 +3e677193nOKKTLJzcAu4SYdbZaia8g xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_scsi.c 1.102 +3e676eb5RXnHzSHgA1BvM0B1aIm4qg xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_segment.c 1.103 +3e5d129aDldt6geU2-2SzBae34sQzg xenolinux-2.4.21-sparse/arch/xeno/drivers/block/xl_segment_proc.c 1.104 +3e5a4e65G3e2s0ghPMgiJ-gBTUJ0uQ xenolinux-2.4.21-sparse/arch/xeno/drivers/console/Makefile 1.105 +3e5a4e651TH-SXHoufurnWjgl5bfOA xenolinux-2.4.21-sparse/arch/xeno/drivers/console/console.c 1.106 +3e5a4e656nfFISThfbyXQOA6HN6YHw xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/Makefile 1.107 +3e5a4e65Cc7io-vynYob10SlqXTjAQ xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_block.c 1.108 +3e5a4e65BXtftInNHUC2PjDfPhdZZA xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_core.c 1.109 +3e5a4e65uXAx05p6B1-HU2tijuw8qA xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_memory.c 1.110 +3e5a4e65EOOLlPwXnhSuX-iVdWLmnA xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/dom0_ops.h 1.111 +3e6dba59C8o0kBks7UZ4IW_FY853Aw xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/sched_ops.c 1.112 +3e5a4e65gfn_ltB8ujHMVFApnTTNRQ xenolinux-2.4.21-sparse/arch/xeno/drivers/dom0/vfr.c 1.113 +3e5a4e65gZBRBB6RsSVg1c9iahigAw xenolinux-2.4.21-sparse/arch/xeno/drivers/network/Makefile 1.114 +3e5a4e65ZxKrbFetVB84JhrTyZ1YuQ xenolinux-2.4.21-sparse/arch/xeno/drivers/network/network.c 1.115 +3e5a4e65lWzkiPXsZdzPt2RNnJGG1g xenolinux-2.4.21-sparse/arch/xeno/kernel/Makefile 1.116 +3e5a4e65_hqfuxtGG8IUy6wRM86Ecg xenolinux-2.4.21-sparse/arch/xeno/kernel/entry.S 1.117 +3e5a4e65Hy_1iUvMTPsNqGNXd9uFpg xenolinux-2.4.21-sparse/arch/xeno/kernel/head.S 1.118 +3e5a4e65ibVQmwlOn0j3sVH_j_6hAg xenolinux-2.4.21-sparse/arch/xeno/kernel/hypervisor.c 1.119 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xenolinux-2.4.21-sparse/arch/xeno/mm/Makefile 1.131 +3e5a4e66l8Q5Tv-6B3lQIRmaVbFPzg xenolinux-2.4.21-sparse/arch/xeno/mm/fault.c 1.132 +3e5a4e66TyNNUEXkr5RxqvQhXK1MQA xenolinux-2.4.21-sparse/arch/xeno/mm/get_unmapped_area.c 1.133 +3e5a4e668SE9rixq4ahho9rNhLUUFQ xenolinux-2.4.21-sparse/arch/xeno/mm/hypervisor.c 1.134 +3e5a4e661gLzzff25pJooKIIWe7IWg xenolinux-2.4.21-sparse/arch/xeno/mm/init.c 1.135 +3e5a4e66U45cAIoHmxg0y1e1XhzVCA xenolinux-2.4.21-sparse/arch/xeno/mm/mmu_context.c 1.136 +3e5a4e66qRlSTcjafidMB6ulECADvg xenolinux-2.4.21-sparse/arch/xeno/vmlinux.lds 1.137 +3ea53c6em6uzVHSiGqrbbAVofyRY_g xenolinux-2.4.21-sparse/drivers/block/genhd.c 1.138 +3e5a4e66mrtlmV75L1tjKDg8RaM5gA xenolinux-2.4.21-sparse/drivers/block/ll_rw_blk.c 1.139 +3e5a4e66rw65CxyolW9PKz4GG42RcA xenolinux-2.4.21-sparse/drivers/char/tty_io.c 1.140 +3e5a4e669uzIE54VwucPYtGwXLAbzA xenolinux-2.4.21-sparse/fs/exec.c 1.141 +3e5a4e66wbeCpsJgVf_U8Jde-CNcsA xenolinux-2.4.21-sparse/include/asm-xeno/bugs.h 1.142 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+3e5a4e67mnQfh-R8KcQCaVo2Oho6yg xenolinux-2.4.21-sparse/include/asm-xeno/page.h 1.154 +3e5a4e67uTYU5oEnIDjxuaez8njjqg xenolinux-2.4.21-sparse/include/asm-xeno/pgalloc.h 1.155 +3e5a4e67X7JyupgdYkgDX19Huj2sAw xenolinux-2.4.21-sparse/include/asm-xeno/pgtable-2level.h 1.156 +3e5a4e67gr4NLGtQ5CvSLimMYZlkOA xenolinux-2.4.21-sparse/include/asm-xeno/pgtable.h 1.157 +3e5a4e676uK4xErTBDH6XJREn9LSyg xenolinux-2.4.21-sparse/include/asm-xeno/processor.h 1.158 +3e5a4e67AJPjW-zL7p-xWuA6IVeH1g xenolinux-2.4.21-sparse/include/asm-xeno/ptrace.h 1.159 +3e5a4e68uJz-xI0IBVMD7xRLQKJDFg xenolinux-2.4.21-sparse/include/asm-xeno/segment.h 1.160 +3e5a4e68Nfdh6QcOKUTGCaYkf2LmYA xenolinux-2.4.21-sparse/include/asm-xeno/smp.h 1.161 +3e5a4e68mTr0zcp9SXDbnd-XLrrfxw xenolinux-2.4.21-sparse/include/asm-xeno/system.h 1.162 +3e5a4e68WLX3B8owTvktP3HHOtznPQ xenolinux-2.4.21-sparse/include/linux/major.h 1.163 +3e5a4e686V0nioX2ZpFf056sgvdiQw xenolinux-2.4.21-sparse/include/linux/sunrpc/debug.h 1.164 +3e5a4e68W_hpMlM3u_-QOKMp3gzcwQ xenolinux-2.4.21-sparse/init/do_mounts.c 1.165 +3e5a4e68TJJavrunYwTAnLRSBxSYqQ xenolinux-2.4.21-sparse/kernel/panic.c 1.166 +3eba8f878XjouY21EkQBXwYBsPsipQ xenolinux-2.4.21-sparse/lndir-rel 1.167 +3e6e7c1efbQe93xCvOpOVCnXTMmQ5w xenolinux-2.4.21-sparse/mkbuildtree 1.168 +3e5a4e68GxCIaFH4sy01v1wjapetaA xenolinux-2.4.21-sparse/mm/memory.c 1.169 +3e5a4e681xMPdF9xCMwpyfuYMySU5g xenolinux-2.4.21-sparse/mm/mremap.c 1.170 +3e5a4e683HKVU-sxtagrDasRB8eBVw xenolinux-2.4.21-sparse/mm/swapfile.c
2.1 --- a/xenolinux-2.4.21-pre4-sparse/Makefile Tue Jun 24 12:05:12 2003 +0000 2.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 2.3 @@ -1,578 +0,0 @@ 2.4 -VERSION = 2 2.5 -PATCHLEVEL = 4 2.6 -SUBLEVEL = 21 2.7 -EXTRAVERSION = -pre4-xeno 2.8 - 2.9 -KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 2.10 - 2.11 -ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/) 2.12 - 2.13 -# Xeno hack XXX 2.14 -ARCH := xeno 2.15 -SUBARCH := i386 2.16 - 2.17 -KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g") 2.18 - 2.19 -CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 2.20 - else if [ -x /bin/bash ]; then echo /bin/bash; \ 2.21 - else echo sh; fi ; fi) 2.22 -TOPDIR := $(shell /bin/pwd) 2.23 - 2.24 -HPATH = $(TOPDIR)/include 2.25 -FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu 2.26 - 2.27 -HOSTCC = gcc 2.28 -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 2.29 - 2.30 -CROSS_COMPILE = 2.31 - 2.32 -# 2.33 -# Include the make variables (CC, etc...) 2.34 -# 2.35 - 2.36 -AS = $(CROSS_COMPILE)as 2.37 -LD = $(CROSS_COMPILE)ld 2.38 -CC = $(CROSS_COMPILE)gcc 2.39 -CPP = $(CC) -E 2.40 -AR = $(CROSS_COMPILE)ar 2.41 -NM = $(CROSS_COMPILE)nm 2.42 -STRIP = $(CROSS_COMPILE)strip 2.43 -OBJCOPY = $(CROSS_COMPILE)objcopy 2.44 -OBJDUMP = $(CROSS_COMPILE)objdump 2.45 -MAKEFILES = $(TOPDIR)/.config 2.46 -GENKSYMS = /sbin/genksyms 2.47 -DEPMOD = /sbin/depmod 2.48 -MODFLAGS = -DMODULE 2.49 -CFLAGS_KERNEL = 2.50 -PERL = perl 2.51 - 2.52 -export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \ 2.53 - CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \ 2.54 - CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS MODFLAGS PERL 2.55 - 2.56 -all: do-it-all 2.57 - 2.58 -# 2.59 -# Make "config" the default target if there is no configuration file or 2.60 -# "depend" the target if there is no top-level dependency information. 2.61 -# 2.62 - 2.63 -ifeq (.config,$(wildcard .config)) 2.64 -include .config 2.65 -ifeq (.depend,$(wildcard .depend)) 2.66 -include .depend 2.67 -do-it-all: Version vmlinux 2.68 -else 2.69 -CONFIGURATION = depend 2.70 -do-it-all: depend 2.71 -endif 2.72 -else 2.73 -CONFIGURATION = config 2.74 -do-it-all: config 2.75 -endif 2.76 - 2.77 -# 2.78 -# INSTALL_PATH specifies where to place the updated kernel and system map 2.79 -# images. Uncomment if you want to place them anywhere other than root. 2.80 -# 2.81 - 2.82 -#export INSTALL_PATH=/boot 2.83 - 2.84 -# 2.85 -# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory 2.86 -# relocations required by build roots. This is not defined in the 2.87 -# makefile but the arguement can be passed to make if needed. 2.88 -# 2.89 - 2.90 -MODLIB := $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) 2.91 -export MODLIB 2.92 - 2.93 -# 2.94 -# standard CFLAGS 2.95 -# 2.96 - 2.97 -CPPFLAGS := -D__KERNEL__ -I$(HPATH) 2.98 - 2.99 -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ 2.100 - -fno-strict-aliasing -fno-common 2.101 -ifndef CONFIG_FRAME_POINTER 2.102 -CFLAGS += -fomit-frame-pointer 2.103 -endif 2.104 -AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) 2.105 - 2.106 -# 2.107 -# ROOT_DEV specifies the default root-device when making the image. 2.108 -# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case 2.109 -# the default of FLOPPY is used by 'build'. 2.110 -# This is i386 specific. 2.111 -# 2.112 - 2.113 -export ROOT_DEV = CURRENT 2.114 - 2.115 -# 2.116 -# If you want to preset the SVGA mode, uncomment the next line and 2.117 -# set SVGA_MODE to whatever number you want. 2.118 -# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. 2.119 -# The number is the same as you would ordinarily press at bootup. 2.120 -# This is i386 specific. 2.121 -# 2.122 - 2.123 -export SVGA_MODE = -DSVGA_MODE=NORMAL_VGA 2.124 - 2.125 -# 2.126 -# If you want the RAM disk device, define this to be the size in blocks. 2.127 -# This is i386 specific. 2.128 -# 2.129 - 2.130 -#export RAMDISK = -DRAMDISK=512 2.131 - 2.132 -CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o 2.133 -NETWORKS =net/network.o 2.134 - 2.135 -LIBS =$(TOPDIR)/lib/lib.a 2.136 -SUBDIRS =kernel drivers mm fs net ipc lib 2.137 - 2.138 -DRIVERS-n := 2.139 -DRIVERS-y := 2.140 -DRIVERS-m := 2.141 -DRIVERS- := 2.142 - 2.143 -DRIVERS-$(CONFIG_ACPI) += drivers/acpi/acpi.o 2.144 -DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o 2.145 -DRIVERS-y += drivers/char/char.o \ 2.146 - drivers/block/block.o \ 2.147 - drivers/misc/misc.o \ 2.148 - drivers/net/net.o 2.149 -DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o 2.150 -DRIVERS-$(CONFIG_DRM_NEW) += drivers/char/drm/drm.o 2.151 -DRIVERS-$(CONFIG_DRM_OLD) += drivers/char/drm-4.0/drm.o 2.152 -DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a 2.153 -DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o 2.154 -DRIVERS-$(CONFIG_DEV_APPLETALK) += drivers/net/appletalk/appletalk.o 2.155 -DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.o 2.156 -DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.o 2.157 -DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnetdrv.o 2.158 -DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o 2.159 -DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o 2.160 -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a 2.161 -DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o 2.162 -DRIVERS-$(CONFIG_FUSION_BOOT) += drivers/message/fusion/fusion.o 2.163 -DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o 2.164 - 2.165 -ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),) 2.166 -DRIVERS-y += drivers/cdrom/driver.o 2.167 -endif 2.168 - 2.169 -DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o 2.170 -DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o 2.171 -DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o 2.172 -DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o 2.173 -DRIVERS-$(CONFIG_NET_PCMCIA) += drivers/net/pcmcia/pcmcia_net.o 2.174 -DRIVERS-$(CONFIG_NET_WIRELESS) += drivers/net/wireless/wireless_net.o 2.175 -DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o 2.176 -DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a 2.177 -DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o 2.178 -DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o 2.179 -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a 2.180 -DRIVERS-$(CONFIG_PPC32) += drivers/macintosh/macintosh.o 2.181 -DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o 2.182 -DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o 2.183 -DRIVERS-$(CONFIG_SGI_IP22) += drivers/sgi/sgi.a 2.184 -DRIVERS-$(CONFIG_VT) += drivers/video/video.o 2.185 -DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a 2.186 -DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o 2.187 -DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a 2.188 -DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o 2.189 -DRIVERS-y +=drivers/media/media.o 2.190 -DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o 2.191 -DRIVERS-$(CONFIG_HIL) += drivers/hil/hil.o 2.192 -DRIVERS-$(CONFIG_I2O) += drivers/message/i2o/i2o.o 2.193 -DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda.o 2.194 -DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o 2.195 -DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o 2.196 -DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o 2.197 -DRIVERS-$(CONFIG_GSC) += drivers/gsc/gscbus.o 2.198 -DRIVERS-$(CONFIG_BLUEZ) += drivers/bluetooth/bluetooth.o 2.199 -DRIVERS-$(CONFIG_HOTPLUG_PCI) += drivers/hotplug/vmlinux-obj.o 2.200 -DRIVERS-$(CONFIG_ISDN_BOOL) += drivers/isdn/vmlinux-obj.o 2.201 - 2.202 -DRIVERS := $(DRIVERS-y) 2.203 - 2.204 - 2.205 -# files removed with 'make clean' 2.206 -CLEAN_FILES = \ 2.207 - kernel/ksyms.lst include/linux/compile.h \ 2.208 - vmlinux System.map \ 2.209 - .tmp* \ 2.210 - drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \ 2.211 - drivers/char/conmakehash \ 2.212 - drivers/char/drm/*-mod.c \ 2.213 - drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \ 2.214 - drivers/zorro/devlist.h drivers/zorro/gen-devlist \ 2.215 - drivers/sound/bin2hex drivers/sound/hex2hex \ 2.216 - drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \ 2.217 - drivers/scsi/aic7xxx/aicasm/aicasm \ 2.218 - drivers/scsi/aic7xxx/aicasm/aicasm_gram.c \ 2.219 - drivers/scsi/aic7xxx/aicasm/aicasm_gram.h \ 2.220 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.c \ 2.221 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.h \ 2.222 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.c \ 2.223 - drivers/scsi/aic7xxx/aicasm/aicasm_scan.c \ 2.224 - drivers/scsi/aic7xxx/aicasm/aicdb.h \ 2.225 - drivers/scsi/aic7xxx/aicasm/y.tab.h \ 2.226 - drivers/scsi/53c700_d.h \ 2.227 - net/khttpd/make_times_h \ 2.228 - net/khttpd/times.h \ 2.229 - submenu* 2.230 -# directories removed with 'make clean' 2.231 -CLEAN_DIRS = \ 2.232 - modules 2.233 - 2.234 -# files removed with 'make mrproper' 2.235 -MRPROPER_FILES = \ 2.236 - include/linux/autoconf.h include/linux/version.h \ 2.237 - drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \ 2.238 - drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \ 2.239 - drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \ 2.240 - drivers/net/hamradio/soundmodem/gentbl \ 2.241 - drivers/sound/*_boot.h drivers/sound/.*.boot \ 2.242 - drivers/sound/msndinit.c \ 2.243 - drivers/sound/msndperm.c \ 2.244 - drivers/sound/pndsperm.c \ 2.245 - drivers/sound/pndspini.c \ 2.246 - drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \ 2.247 - .version .config* config.in config.old \ 2.248 - scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \ 2.249 - scripts/lxdialog/*.o scripts/lxdialog/lxdialog \ 2.250 - .menuconfig.log \ 2.251 - include/asm \ 2.252 - .hdepend scripts/mkdep scripts/split-include scripts/docproc \ 2.253 - $(TOPDIR)/include/linux/modversions.h \ 2.254 - kernel.spec 2.255 - 2.256 -# directories removed with 'make mrproper' 2.257 -MRPROPER_DIRS = \ 2.258 - include/config \ 2.259 - $(TOPDIR)/include/linux/modules 2.260 - 2.261 - 2.262 -include arch/$(ARCH)/Makefile 2.263 - 2.264 -# Extra cflags for kbuild 2.4. The default is to forbid includes by kernel code 2.265 -# from user space headers. Some UML code requires user space headers, in the 2.266 -# UML Makefiles add 'kbuild_2_4_nostdinc :=' before include Rules.make. No 2.267 -# other kernel code should include user space headers, if you need 2.268 -# 'kbuild_2_4_nostdinc :=' or -I/usr/include for kernel code and you are not UML 2.269 -# then your code is broken! KAO. 2.270 - 2.271 -kbuild_2_4_nostdinc := -nostdinc -iwithprefix include 2.272 -export kbuild_2_4_nostdinc 2.273 - 2.274 -export CPPFLAGS CFLAGS CFLAGS_KERNEL AFLAGS AFLAGS_KERNEL 2.275 - 2.276 -export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS 2.277 - 2.278 -.S.s: 2.279 - $(CPP) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -o $*.s $< 2.280 -.S.o: 2.281 - $(CC) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -c -o $*.o $< 2.282 - 2.283 -Version: dummy 2.284 - @rm -f include/linux/compile.h 2.285 - 2.286 -boot: vmlinux 2.287 - @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C arch/$(ARCH)/boot 2.288 - 2.289 -vmlinux: include/linux/version.h $(CONFIGURATION) init/main.o init/version.o init/do_mounts.o linuxsubdirs 2.290 - $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o init/do_mounts.o \ 2.291 - --start-group \ 2.292 - $(CORE_FILES) \ 2.293 - $(DRIVERS) \ 2.294 - $(NETWORKS) \ 2.295 - $(LIBS) \ 2.296 - --end-group \ 2.297 - -o vmlinux 2.298 - $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map 2.299 - 2.300 -symlinks: 2.301 - rm -f include/asm 2.302 - ( cd include ; ln -sf asm-$(ARCH) asm) 2.303 - @if [ ! -d include/linux/modules ]; then \ 2.304 - mkdir include/linux/modules; \ 2.305 - fi 2.306 - 2.307 -oldconfig: symlinks 2.308 - $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in 2.309 - 2.310 -xconfig: symlinks 2.311 - $(MAKE) -C scripts kconfig.tk 2.312 - wish -f scripts/kconfig.tk 2.313 - 2.314 -menuconfig: include/linux/version.h symlinks 2.315 - $(MAKE) -C scripts/lxdialog all 2.316 - $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in 2.317 - 2.318 -config: symlinks 2.319 - $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in 2.320 - 2.321 -include/config/MARKER: scripts/split-include include/linux/autoconf.h 2.322 - scripts/split-include include/linux/autoconf.h include/config 2.323 - @ touch include/config/MARKER 2.324 - 2.325 -linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) 2.326 - 2.327 -$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER 2.328 - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@) 2.329 - 2.330 -$(TOPDIR)/include/linux/version.h: include/linux/version.h 2.331 -$(TOPDIR)/include/linux/compile.h: include/linux/compile.h 2.332 - 2.333 -newversion: 2.334 - . scripts/mkversion > .tmpversion 2.335 - @mv -f .tmpversion .version 2.336 - 2.337 -uts_len := 64 2.338 -uts_truncate := sed -e 's/\(.\{1,$(uts_len)\}\).*/\1/' 2.339 - 2.340 -include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion 2.341 - @echo -n \#`cat .version` > .ver1 2.342 - @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver1; fi 2.343 - @if [ -f .name ]; then echo -n \-`cat .name` >> .ver1; fi 2.344 - @LANG=C echo ' '`date` >> .ver1 2.345 - @echo \#define UTS_VERSION \"`cat .ver1 | $(uts_truncate)`\" > .ver 2.346 - @LANG=C echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver 2.347 - @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver 2.348 - @echo \#define LINUX_COMPILE_HOST \"`hostname | $(uts_truncate)`\" >> .ver 2.349 - @([ -x /bin/dnsdomainname ] && /bin/dnsdomainname > .ver1) || \ 2.350 - ([ -x /bin/domainname ] && /bin/domainname > .ver1) || \ 2.351 - echo > .ver1 2.352 - @echo \#define LINUX_COMPILE_DOMAIN \"`cat .ver1 | $(uts_truncate)`\" >> .ver 2.353 - @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver 2.354 - @mv -f .ver $@ 2.355 - @rm -f .ver1 2.356 - 2.357 -include/linux/version.h: ./Makefile 2.358 - @expr length "$(KERNELRELEASE)" \<= $(uts_len) > /dev/null || \ 2.359 - (echo KERNELRELEASE \"$(KERNELRELEASE)\" exceeds $(uts_len) characters >&2; false) 2.360 - @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver 2.361 - @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver 2.362 - @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver 2.363 - @mv -f .ver $@ 2.364 - 2.365 -comma := , 2.366 - 2.367 -init/version.o: init/version.c include/linux/compile.h include/config/MARKER 2.368 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -DUTS_MACHINE='"$(SUBARCH)"' -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o init/version.o init/version.c 2.369 - 2.370 -init/main.o: init/main.c include/config/MARKER 2.371 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< 2.372 - 2.373 -init/do_mounts.o: init/do_mounts.c include/config/MARKER 2.374 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< 2.375 - 2.376 -fs lib mm ipc kernel drivers net: dummy 2.377 - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@) 2.378 - 2.379 -TAGS: dummy 2.380 - { find include/asm-${ARCH} -name '*.h' -print ; \ 2.381 - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print ; \ 2.382 - find $(SUBDIRS) init arch/${ARCH} -name '*.[chS]' ; } | grep -v SCCS | grep -v '\.svn' | etags - 2.383 - 2.384 -# Exuberant ctags works better with -I 2.385 -tags: dummy 2.386 - CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \ 2.387 - ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \ 2.388 - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \ 2.389 - find $(SUBDIRS) init -name '*.[ch]' | xargs ctags $$CTAGSF -a 2.390 - 2.391 -ifdef CONFIG_MODULES 2.392 -ifdef CONFIG_MODVERSIONS 2.393 -MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h 2.394 -endif 2.395 - 2.396 -.PHONY: modules 2.397 -modules: $(patsubst %, _mod_%, $(SUBDIRS)) 2.398 - 2.399 -.PHONY: $(patsubst %, _mod_%, $(SUBDIRS)) 2.400 -$(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER 2.401 - $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules 2.402 - 2.403 -.PHONY: modules_install 2.404 -modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post 2.405 - 2.406 -.PHONY: _modinst_ 2.407 -_modinst_: 2.408 - @rm -rf $(MODLIB)/kernel 2.409 - @rm -f $(MODLIB)/build 2.410 - @mkdir -p $(MODLIB)/kernel 2.411 - @ln -s $(TOPDIR) $(MODLIB)/build 2.412 - 2.413 -# If System.map exists, run depmod. This deliberately does not have a 2.414 -# dependency on System.map since that would run the dependency tree on 2.415 -# vmlinux. This depmod is only for convenience to give the initial 2.416 -# boot a modules.dep even before / is mounted read-write. However the 2.417 -# boot script depmod is the master version. 2.418 -ifeq "$(strip $(INSTALL_MOD_PATH))" "" 2.419 -depmod_opts := 2.420 -else 2.421 -depmod_opts := -b $(INSTALL_MOD_PATH) -r 2.422 -endif 2.423 -.PHONY: _modinst_post 2.424 -_modinst_post: _modinst_post_pcmcia 2.425 -# if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi 2.426 - 2.427 -# Backwards compatibilty symlinks for people still using old versions 2.428 -# of pcmcia-cs with hard coded pathnames on insmod. Remove 2.429 -# _modinst_post_pcmcia for kernel 2.4.1. 2.430 -.PHONY: _modinst_post_pcmcia 2.431 -_modinst_post_pcmcia: 2.432 - cd $(MODLIB); \ 2.433 - mkdir -p pcmcia; \ 2.434 - find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{} pcmcia 2.435 - 2.436 -.PHONY: $(patsubst %, _modinst_%, $(SUBDIRS)) 2.437 -$(patsubst %, _modinst_%, $(SUBDIRS)) : 2.438 - $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install 2.439 - 2.440 -# modules disabled.... 2.441 - 2.442 -else 2.443 -modules modules_install: dummy 2.444 - @echo 2.445 - @echo "The present kernel configuration has modules disabled." 2.446 - @echo "Type 'make config' and enable loadable module support." 2.447 - @echo "Then build a kernel with module support enabled." 2.448 - @echo 2.449 - @exit 1 2.450 -endif 2.451 - 2.452 -clean: archclean 2.453 - find . \( -name '*.[oas]' -o -name core -o -name '.*.flags' \) -type f -print \ 2.454 - | grep -v lxdialog/ | xargs rm -f 2.455 - rm -f $(CLEAN_FILES) 2.456 - rm -rf $(CLEAN_DIRS) 2.457 - $(MAKE) -C Documentation/DocBook clean 2.458 - 2.459 -mrproper: clean archmrproper 2.460 - find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f 2.461 - rm -f $(MRPROPER_FILES) 2.462 - rm -rf $(MRPROPER_DIRS) 2.463 - $(MAKE) -C Documentation/DocBook mrproper 2.464 - 2.465 -distclean: mrproper 2.466 - rm -f core `find . \( -not -type d \) -and \ 2.467 - \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 2.468 - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 2.469 - -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -type f -print` TAGS tags 2.470 - 2.471 -backup: mrproper 2.472 - cd .. && tar cf - linux/ | gzip -9 > backup.gz 2.473 - sync 2.474 - 2.475 -sgmldocs: 2.476 - chmod 755 $(TOPDIR)/scripts/docgen 2.477 - chmod 755 $(TOPDIR)/scripts/gen-all-syms 2.478 - chmod 755 $(TOPDIR)/scripts/kernel-doc 2.479 - $(MAKE) -C $(TOPDIR)/Documentation/DocBook books 2.480 - 2.481 -psdocs: sgmldocs 2.482 - $(MAKE) -C Documentation/DocBook ps 2.483 - 2.484 -pdfdocs: sgmldocs 2.485 - $(MAKE) -C Documentation/DocBook pdf 2.486 - 2.487 -htmldocs: sgmldocs 2.488 - $(MAKE) -C Documentation/DocBook html 2.489 - 2.490 -mandocs: 2.491 - chmod 755 $(TOPDIR)/scripts/kernel-doc 2.492 - chmod 755 $(TOPDIR)/scripts/split-man 2.493 - $(MAKE) -C Documentation/DocBook man 2.494 - 2.495 -sums: 2.496 - find . -type f -print | sort | xargs sum > .SUMS 2.497 - 2.498 -dep-files: scripts/mkdep archdep include/linux/version.h 2.499 - scripts/mkdep -- init/*.c > .depend 2.500 - scripts/mkdep -- `find $(FINDHPATH) \( -name SCCS -o -name .svn \) -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend 2.501 - $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" 2.502 -ifdef CONFIG_MODVERSIONS 2.503 - $(MAKE) update-modverfile 2.504 -endif 2.505 - 2.506 -ifdef CONFIG_MODVERSIONS 2.507 -MODVERFILE := $(TOPDIR)/include/linux/modversions.h 2.508 -else 2.509 -MODVERFILE := 2.510 -endif 2.511 -export MODVERFILE 2.512 - 2.513 -depend dep: dep-files 2.514 - 2.515 -checkconfig: 2.516 - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkconfig.pl 2.517 - 2.518 -checkhelp: 2.519 - find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl 2.520 - 2.521 -checkincludes: 2.522 - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl 2.523 - 2.524 -ifdef CONFIGURATION 2.525 -..$(CONFIGURATION): 2.526 - @echo 2.527 - @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'" 2.528 - @echo 2.529 - $(MAKE) $(CONFIGURATION) 2.530 - @echo 2.531 - @echo "Successful. Try re-making (ignore the error that follows)" 2.532 - @echo 2.533 - exit 1 2.534 - 2.535 -#dummy: ..$(CONFIGURATION) 2.536 -dummy: 2.537 - 2.538 -else 2.539 - 2.540 -dummy: 2.541 - 2.542 -endif 2.543 - 2.544 -include Rules.make 2.545 - 2.546 -# 2.547 -# This generates dependencies for the .h files. 2.548 -# 2.549 - 2.550 -scripts/mkdep: scripts/mkdep.c 2.551 - $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c 2.552 - 2.553 -scripts/split-include: scripts/split-include.c 2.554 - $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c 2.555 - 2.556 -# 2.557 -# RPM target 2.558 -# 2.559 -# If you do a make spec before packing the tarball you can rpm -ta it 2.560 -# 2.561 -spec: 2.562 - . scripts/mkspec >kernel.spec 2.563 - 2.564 -# 2.565 -# Build a tar ball, generate an rpm from it and pack the result 2.566 -# There arw two bits of magic here 2.567 -# 1) The use of /. to avoid tar packing just the symlink 2.568 -# 2) Removing the .dep files as they have source paths in them that 2.569 -# will become invalid 2.570 -# 2.571 -rpm: clean spec 2.572 - find . \( -size 0 -o -name .depend -o -name .hdepend \) -type f -print | xargs rm -f 2.573 - set -e; \ 2.574 - cd $(TOPDIR)/.. ; \ 2.575 - ln -sf $(TOPDIR) $(KERNELPATH) ; \ 2.576 - tar -cvz --exclude CVS -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \ 2.577 - rm $(KERNELPATH) ; \ 2.578 - cd $(TOPDIR) ; \ 2.579 - . scripts/mkversion > .version ; \ 2.580 - rpm -ta $(TOPDIR)/../$(KERNELPATH).tar.gz ; \ 2.581 - rm $(TOPDIR)/../$(KERNELPATH).tar.gz
3.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/Makefile Tue Jun 24 12:05:12 2003 +0000 3.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 3.3 @@ -1,101 +0,0 @@ 3.4 -# 3.5 -# xeno/Makefile 3.6 -# 3.7 -# This file is included by the global makefile so that you can add your own 3.8 -# architecture-specific flags and dependencies. Remember to do have actions 3.9 -# for "archclean" and "archdep" for cleaning up and making dependencies for 3.10 -# this architecture 3.11 -# 3.12 -# This file is subject to the terms and conditions of the GNU General Public 3.13 -# License. See the file "COPYING" in the main directory of this archive 3.14 -# for more details. 3.15 -# 3.16 -# Copyright (C) 1994 by Linus Torvalds 3.17 -# 3.18 -# 19990713 Artur Skawina <skawina@geocities.com> 3.19 -# Added '-march' and '-mpreferred-stack-boundary' support 3.20 -# 3.21 - 3.22 -LD=$(CROSS_COMPILE)ld -m elf_i386 3.23 -OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S 3.24 -LDFLAGS=-e stext 3.25 -LINKFLAGS =-T $(TOPDIR)/arch/xeno/vmlinux.lds $(LDFLAGS) 3.26 - 3.27 -CFLAGS += -pipe 3.28 - 3.29 -# prevent gcc from keeping the stack 16 byte aligned 3.30 -CFLAGS += $(shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi) 3.31 - 3.32 -ifdef CONFIG_M686 3.33 -CFLAGS += -march=i686 3.34 -endif 3.35 - 3.36 -ifdef CONFIG_MPENTIUMIII 3.37 -CFLAGS += -march=i686 3.38 -endif 3.39 - 3.40 -ifdef CONFIG_MPENTIUM4 3.41 -CFLAGS += -march=i686 3.42 -endif 3.43 - 3.44 -ifdef CONFIG_MK7 3.45 -CFLAGS += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi) 3.46 -endif 3.47 - 3.48 -HEAD := arch/xeno/kernel/head.o arch/xeno/kernel/init_task.o 3.49 - 3.50 -SUBDIRS += arch/xeno/kernel arch/xeno/mm arch/xeno/lib 3.51 -SUBDIRS += arch/xeno/drivers/console arch/xeno/drivers/network 3.52 -SUBDIRS += arch/xeno/drivers/dom0 arch/xeno/drivers/block 3.53 -SUBDIRS += arch/xeno/drivers/balloon 3.54 - 3.55 -CORE_FILES += arch/xeno/kernel/kernel.o arch/xeno/mm/mm.o 3.56 -CORE_FILES += arch/xeno/drivers/console/con.o 3.57 -CORE_FILES += arch/xeno/drivers/block/blk.o 3.58 -CORE_FILES += arch/xeno/drivers/network/net.o 3.59 -CORE_FILES += arch/xeno/drivers/dom0/dom0.o 3.60 -CORE_FILES += arch/xeno/drivers/balloon/balloon_driver.o 3.61 -LIBS := $(TOPDIR)/arch/xeno/lib/lib.a $(LIBS) $(TOPDIR)/arch/xeno/lib/lib.a 3.62 - 3.63 -arch/xeno/kernel: dummy 3.64 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/kernel 3.65 - 3.66 -arch/xeno/mm: dummy 3.67 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/mm 3.68 - 3.69 -arch/xeno/drivers/console: dummy 3.70 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/console 3.71 - 3.72 -arch/xeno/drivers/network: dummy 3.73 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/network 3.74 - 3.75 -arch/xeno/drivers/block: dummy 3.76 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/block 3.77 - 3.78 -arch/xeno/drivers/dom0: dummy 3.79 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/dom0 3.80 - 3.81 -arch/xeno/drivers/balloon: dummy 3.82 - $(MAKE) linuxsubdirs SUBDIRS=arch/xeno/drivers/balloon 3.83 - 3.84 -MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot 3.85 - 3.86 -vmlinux: arch/xeno/vmlinux.lds 3.87 - 3.88 -FORCE: ; 3.89 - 3.90 -.PHONY: bzImage compressed clean archclean archmrproper archdep 3.91 - 3.92 -bzImage: vmlinux 3.93 - @$(MAKEBOOT) image.gz 3.94 - 3.95 -install: bzImage 3.96 - cp -a arch/$(ARCH)/boot/image.gz ../install/boot/xenolinux.gz 3.97 - 3.98 -archclean: 3.99 - @$(MAKEBOOT) clean 3.100 - 3.101 -archmrproper: 3.102 - 3.103 -archdep: 3.104 - @$(MAKEBOOT) dep
4.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/boot/Makefile Tue Jun 24 12:05:12 2003 +0000 4.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 4.3 @@ -1,22 +0,0 @@ 4.4 -# 4.5 -# arch/xeno/boot/Makefile 4.6 -# 4.7 - 4.8 -image.gz: image 4.9 - gzip -f -9 < $< > $@ 4.10 - 4.11 -image: $(TOPDIR)/vmlinux 4.12 - # Guest OS header -- first 8 bytes are identifier 'XenoGues'. 4.13 - echo -e -n 'XenoGues' >$@ 4.14 - # Guest OS header -- next 4 bytes are load address (0xC0000000). 4.15 - echo -e -n '\000\000\000\300' >>$@ 4.16 - $(OBJCOPY) $< image.body 4.17 - # Guest OS header is immediately followed by raw OS image. 4.18 - # Start address must be at byte 0. 4.19 - cat image.body >>$@ 4.20 - rm -f image.body 4.21 - 4.22 -dep: 4.23 - 4.24 -clean: 4.25 - rm -f image image.gz
5.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/config.in Tue Jun 24 12:05:12 2003 +0000 5.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 5.3 @@ -1,165 +0,0 @@ 5.4 -# 5.5 -# For a description of the syntax of this configuration file, 5.6 -# see Documentation/kbuild/config-language.txt. 5.7 -# 5.8 -mainmenu_name "Linux Kernel Configuration" 5.9 - 5.10 -define_bool CONFIG_XENO y 5.11 - 5.12 -define_bool CONFIG_X86 y 5.13 -define_bool CONFIG_ISA y 5.14 -define_bool CONFIG_SBUS n 5.15 - 5.16 -define_bool CONFIG_UID16 y 5.17 - 5.18 -mainmenu_option next_comment 5.19 -comment 'Code maturity level options' 5.20 -bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL 5.21 -endmenu 5.22 - 5.23 -mainmenu_option next_comment 5.24 -comment 'Loadable module support' 5.25 -bool 'Enable loadable module support' CONFIG_MODULES 5.26 -if [ "$CONFIG_MODULES" = "y" ]; then 5.27 - bool ' Set version information on all module symbols' CONFIG_MODVERSIONS 5.28 - bool ' Kernel module loader' CONFIG_KMOD 5.29 -fi 5.30 -endmenu 5.31 - 5.32 -mainmenu_option next_comment 5.33 -comment 'Processor type and features' 5.34 -choice 'Processor family' \ 5.35 - "Pentium-Pro/Celeron/Pentium-II CONFIG_M686 \ 5.36 - Pentium-III/Celeron(Coppermine) CONFIG_MPENTIUMIII \ 5.37 - Pentium-4 CONFIG_MPENTIUM4 \ 5.38 - Athlon/Duron/K7 CONFIG_MK7" Pentium-Pro 5.39 - 5.40 - define_bool CONFIG_X86_WP_WORKS_OK y 5.41 - define_bool CONFIG_X86_INVLPG y 5.42 - define_bool CONFIG_X86_CMPXCHG y 5.43 - define_bool CONFIG_X86_XADD y 5.44 - define_bool CONFIG_X86_BSWAP y 5.45 - define_bool CONFIG_X86_POPAD_OK y 5.46 - define_bool CONFIG_RWSEM_GENERIC_SPINLOCK n 5.47 - define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM y 5.48 - 5.49 - define_bool CONFIG_X86_GOOD_APIC y 5.50 - define_bool CONFIG_X86_PGE y 5.51 - define_bool CONFIG_X86_USE_PPRO_CHECKSUM y 5.52 - define_bool CONFIG_X86_TSC y 5.53 - 5.54 -if [ "$CONFIG_M686" = "y" ]; then 5.55 - define_int CONFIG_X86_L1_CACHE_SHIFT 5 5.56 -fi 5.57 -if [ "$CONFIG_MPENTIUMIII" = "y" ]; then 5.58 - define_int CONFIG_X86_L1_CACHE_SHIFT 5 5.59 -fi 5.60 -if [ "$CONFIG_MPENTIUM4" = "y" ]; then 5.61 - define_int CONFIG_X86_L1_CACHE_SHIFT 7 5.62 -fi 5.63 -if [ "$CONFIG_MK7" = "y" ]; then 5.64 - define_int CONFIG_X86_L1_CACHE_SHIFT 6 5.65 - define_bool CONFIG_X86_USE_3DNOW y 5.66 -fi 5.67 - 5.68 -choice 'High Memory Support' \ 5.69 - "off CONFIG_NOHIGHMEM \ 5.70 - 4GB CONFIG_HIGHMEM4G \ 5.71 - 64GB CONFIG_HIGHMEM64G" off 5.72 -if [ "$CONFIG_HIGHMEM4G" = "y" ]; then 5.73 - define_bool CONFIG_HIGHMEM y 5.74 -fi 5.75 -if [ "$CONFIG_HIGHMEM64G" = "y" ]; then 5.76 - define_bool CONFIG_HIGHMEM y 5.77 - define_bool CONFIG_X86_PAE y 5.78 -fi 5.79 - 5.80 -#bool 'Symmetric multi-processing support' CONFIG_SMP 5.81 -#if [ "$CONFIG_SMP" = "y" -a "$CONFIG_X86_CMPXCHG" = "y" ]; then 5.82 -# define_bool CONFIG_HAVE_DEC_LOCK y 5.83 -#fi 5.84 -endmenu 5.85 - 5.86 -mainmenu_option next_comment 5.87 -comment 'General setup' 5.88 - 5.89 -bool 'Networking support' CONFIG_NET 5.90 - 5.91 -bool 'System V IPC' CONFIG_SYSVIPC 5.92 -bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT 5.93 -bool 'Sysctl support' CONFIG_SYSCTL 5.94 -if [ "$CONFIG_PROC_FS" = "y" ]; then 5.95 - choice 'Kernel core (/proc/kcore) format' \ 5.96 - "ELF CONFIG_KCORE_ELF \ 5.97 - A.OUT CONFIG_KCORE_AOUT" ELF 5.98 -fi 5.99 -tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT 5.100 -tristate 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF 5.101 -tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC 5.102 - 5.103 -endmenu 5.104 - 5.105 -if [ "$CONFIG_NET" = "y" ]; then 5.106 - source net/Config.in 5.107 -fi 5.108 - 5.109 - 5.110 -# 5.111 -# Block device driver configuration 5.112 -# 5.113 -mainmenu_option next_comment 5.114 -comment 'Block devices' 5.115 -tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP 5.116 -dep_tristate 'Network block device support' CONFIG_BLK_DEV_NBD $CONFIG_NET 5.117 -tristate 'RAM disk support' CONFIG_BLK_DEV_RAM 5.118 -if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then 5.119 - int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096 5.120 -fi 5.121 -dep_bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD $CONFIG_BLK_DEV_RAM 5.122 -bool 'Per partition statistics in /proc/partitions' CONFIG_BLK_STATS 5.123 -bool 'XenoLinux virtual block device support' CONFIG_XENOLINUX_BLOCK 5.124 -endmenu 5.125 -define_bool CONFIG_BLK_DEV_IDE_MODES n 5.126 -define_bool CONFIG_BLK_DEV_HD n 5.127 - 5.128 - 5.129 -mainmenu_option next_comment 5.130 -comment 'Character devices' 5.131 - 5.132 -bool 'Xen console support' CONFIG_XEN_CONSOLE 5.133 -comment 'The options below are alpha-stage and will probably not work' 5.134 -bool 'Virtual terminal' CONFIG_VT 5.135 -if [ "$CONFIG_VT" = "y" ]; then 5.136 - bool ' Support for console on virtual terminal' CONFIG_VT_CONSOLE 5.137 - bool ' Support for VGA Video' CONFIG_VGA_CONSOLE 5.138 - bool ' Support for Dummy Video (for testing)' CONFIG_DUMMY_CONSOLE 5.139 - bool ' PS/2 mouse (aka "auxiliary device") support' CONFIG_PSMOUSE 5.140 -fi 5.141 - 5.142 -bool 'Unix98 PTY support' CONFIG_UNIX98_PTYS 5.143 -if [ "$CONFIG_UNIX98_PTYS" = "y" ]; then 5.144 - int 'Maximum number of Unix98 PTYs in use (0-2048)' CONFIG_UNIX98_PTY_COUNT 256 5.145 -fi 5.146 - 5.147 -endmenu 5.148 - 5.149 -source fs/Config.in 5.150 - 5.151 -mainmenu_option next_comment 5.152 -comment 'Kernel hacking' 5.153 - 5.154 -bool 'Kernel debugging' CONFIG_DEBUG_KERNEL 5.155 -if [ "$CONFIG_DEBUG_KERNEL" != "n" ]; then 5.156 - bool ' Debug high memory support' CONFIG_DEBUG_HIGHMEM 5.157 - bool ' Debug memory allocations' CONFIG_DEBUG_SLAB 5.158 - bool ' Memory mapped I/O debugging' CONFIG_DEBUG_IOVIRT 5.159 - bool ' Magic SysRq key' CONFIG_MAGIC_SYSRQ 5.160 - bool ' Spinlock debugging' CONFIG_DEBUG_SPINLOCK 5.161 - bool ' Verbose BUG() reporting (adds 70K)' CONFIG_DEBUG_BUGVERBOSE 5.162 - bool ' Load all symbols for debugging' CONFIG_KALLSYMS 5.163 - bool ' Compile the kernel with frame pointers' CONFIG_FRAME_POINTER 5.164 -fi 5.165 - 5.166 -endmenu 5.167 - 5.168 -source lib/Config.in
6.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/defconfig Tue Jun 24 12:05:12 2003 +0000 6.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 6.3 @@ -1,283 +0,0 @@ 6.4 -# 6.5 -# Automatically generated make config: don't edit 6.6 -# 6.7 -CONFIG_XENO=y 6.8 -CONFIG_X86=y 6.9 -CONFIG_ISA=y 6.10 -# CONFIG_SBUS is not set 6.11 -CONFIG_UID16=y 6.12 - 6.13 -# 6.14 -# Code maturity level options 6.15 -# 6.16 -# CONFIG_EXPERIMENTAL is not set 6.17 - 6.18 -# 6.19 -# Loadable module support 6.20 -# 6.21 -CONFIG_MODULES=y 6.22 -CONFIG_MODVERSIONS=y 6.23 -CONFIG_KMOD=y 6.24 - 6.25 -# 6.26 -# Processor type and features 6.27 -# 6.28 -CONFIG_M686=y 6.29 -# CONFIG_MPENTIUMIII is not set 6.30 -# CONFIG_MPENTIUM4 is not set 6.31 -# CONFIG_MK7 is not set 6.32 -CONFIG_X86_WP_WORKS_OK=y 6.33 -CONFIG_X86_INVLPG=y 6.34 -CONFIG_X86_CMPXCHG=y 6.35 -CONFIG_X86_XADD=y 6.36 -CONFIG_X86_BSWAP=y 6.37 -CONFIG_X86_POPAD_OK=y 6.38 -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set 6.39 -CONFIG_RWSEM_XCHGADD_ALGORITHM=y 6.40 -CONFIG_X86_GOOD_APIC=y 6.41 -CONFIG_X86_PGE=y 6.42 -CONFIG_X86_USE_PPRO_CHECKSUM=y 6.43 -CONFIG_X86_TSC=y 6.44 -CONFIG_X86_L1_CACHE_SHIFT=5 6.45 -CONFIG_NOHIGHMEM=y 6.46 -# CONFIG_HIGHMEM4G is not set 6.47 -# CONFIG_HIGHMEM64G is not set 6.48 - 6.49 -# 6.50 -# General setup 6.51 -# 6.52 -CONFIG_NET=y 6.53 -CONFIG_SYSVIPC=y 6.54 -# CONFIG_BSD_PROCESS_ACCT is not set 6.55 -CONFIG_SYSCTL=y 6.56 -CONFIG_KCORE_ELF=y 6.57 -# CONFIG_KCORE_AOUT is not set 6.58 -CONFIG_BINFMT_AOUT=y 6.59 -CONFIG_BINFMT_ELF=y 6.60 -# CONFIG_BINFMT_MISC is not set 6.61 - 6.62 -# 6.63 -# Networking options 6.64 -# 6.65 -CONFIG_PACKET=y 6.66 -CONFIG_PACKET_MMAP=y 6.67 -# CONFIG_NETLINK_DEV is not set 6.68 -# CONFIG_NETFILTER is not set 6.69 -CONFIG_FILTER=y 6.70 -CONFIG_UNIX=y 6.71 -CONFIG_INET=y 6.72 -# CONFIG_IP_MULTICAST is not set 6.73 -# CONFIG_IP_ADVANCED_ROUTER is not set 6.74 -CONFIG_IP_PNP=y 6.75 -# CONFIG_IP_PNP_DHCP is not set 6.76 -# CONFIG_IP_PNP_BOOTP is not set 6.77 -# CONFIG_IP_PNP_RARP is not set 6.78 -# CONFIG_NET_IPIP is not set 6.79 -# CONFIG_NET_IPGRE is not set 6.80 -# CONFIG_INET_ECN is not set 6.81 -# CONFIG_SYN_COOKIES is not set 6.82 -# CONFIG_VLAN_8021Q is not set 6.83 - 6.84 -# 6.85 -# 6.86 -# 6.87 -# CONFIG_IPX is not set 6.88 -# CONFIG_ATALK is not set 6.89 - 6.90 -# 6.91 -# Appletalk devices 6.92 -# 6.93 -# CONFIG_DEV_APPLETALK is not set 6.94 -# CONFIG_DECNET is not set 6.95 -# CONFIG_BRIDGE is not set 6.96 - 6.97 -# 6.98 -# QoS and/or fair queueing 6.99 -# 6.100 -# CONFIG_NET_SCHED is not set 6.101 - 6.102 -# 6.103 -# Network testing 6.104 -# 6.105 -# CONFIG_NET_PKTGEN is not set 6.106 - 6.107 -# 6.108 -# Block devices 6.109 -# 6.110 -# CONFIG_BLK_DEV_FD is not set 6.111 -# CONFIG_BLK_DEV_XD is not set 6.112 -# CONFIG_PARIDE is not set 6.113 -# CONFIG_BLK_CPQ_DA is not set 6.114 -# CONFIG_BLK_CPQ_CISS_DA is not set 6.115 -# CONFIG_CISS_SCSI_TAPE is not set 6.116 -# CONFIG_BLK_DEV_DAC960 is not set 6.117 -# CONFIG_BLK_DEV_UMEM is not set 6.118 -CONFIG_BLK_DEV_LOOP=y 6.119 -CONFIG_BLK_DEV_NBD=y 6.120 -CONFIG_BLK_DEV_RAM=y 6.121 -CONFIG_BLK_DEV_RAM_SIZE=4096 6.122 -CONFIG_BLK_DEV_INITRD=y 6.123 -# CONFIG_BLK_STATS is not set 6.124 -CONFIG_XENOLINUX_BLOCK=y 6.125 -# CONFIG_BLK_DEV_IDE_MODES is not set 6.126 -# CONFIG_BLK_DEV_HD is not set 6.127 - 6.128 -# 6.129 -# Character devices 6.130 -# 6.131 -CONFIG_XEN_CONSOLE=y 6.132 -# CONFIG_VT is not set 6.133 -# CONFIG_VGA_CONSOLE is not set 6.134 -# CONFIG_DUMMY_CONSOLE is not set 6.135 -# CONFIG_PSMOUSE is not set 6.136 -# CONFIG_UNIX98_PTYS is not set 6.137 - 6.138 -# 6.139 -# File systems 6.140 -# 6.141 -# CONFIG_QUOTA is not set 6.142 -CONFIG_AUTOFS_FS=y 6.143 -CONFIG_AUTOFS4_FS=y 6.144 -# CONFIG_REISERFS_FS is not set 6.145 -# CONFIG_REISERFS_CHECK is not set 6.146 -# CONFIG_REISERFS_PROC_INFO is not set 6.147 -# CONFIG_ADFS_FS is not set 6.148 -# CONFIG_ADFS_FS_RW is not set 6.149 -# CONFIG_AFFS_FS is not set 6.150 -# CONFIG_HFS_FS is not set 6.151 -# CONFIG_BEFS_FS is not set 6.152 -# CONFIG_BEFS_DEBUG is not set 6.153 -# CONFIG_BFS_FS is not set 6.154 -CONFIG_EXT3_FS=y 6.155 -CONFIG_JBD=y 6.156 -# CONFIG_JBD_DEBUG is not set 6.157 -# CONFIG_FAT_FS is not set 6.158 -# CONFIG_MSDOS_FS is not set 6.159 -# CONFIG_UMSDOS_FS is not set 6.160 -# CONFIG_VFAT_FS is not set 6.161 -# CONFIG_EFS_FS is not set 6.162 -# CONFIG_JFFS_FS is not set 6.163 -# CONFIG_JFFS2_FS is not set 6.164 -# CONFIG_CRAMFS is not set 6.165 -CONFIG_TMPFS=y 6.166 -CONFIG_RAMFS=y 6.167 -CONFIG_ISO9660_FS=y 6.168 -CONFIG_JOLIET=y 6.169 -CONFIG_ZISOFS=y 6.170 -# CONFIG_JFS_FS is not set 6.171 -# CONFIG_JFS_DEBUG is not set 6.172 -# CONFIG_JFS_STATISTICS is not set 6.173 -# CONFIG_MINIX_FS is not set 6.174 -# CONFIG_VXFS_FS is not set 6.175 -# CONFIG_NTFS_FS is not set 6.176 -# CONFIG_NTFS_RW is not set 6.177 -# CONFIG_HPFS_FS is not set 6.178 -CONFIG_PROC_FS=y 6.179 -# CONFIG_DEVFS_FS is not set 6.180 -# CONFIG_DEVFS_MOUNT is not set 6.181 -# CONFIG_DEVFS_DEBUG is not set 6.182 -# CONFIG_DEVPTS_FS is not set 6.183 -# CONFIG_QNX4FS_FS is not set 6.184 -# CONFIG_QNX4FS_RW is not set 6.185 -# CONFIG_ROMFS_FS is not set 6.186 -CONFIG_EXT2_FS=y 6.187 -# CONFIG_SYSV_FS is not set 6.188 -# CONFIG_UDF_FS is not set 6.189 -# CONFIG_UDF_RW is not set 6.190 -# CONFIG_UFS_FS is not set 6.191 -# CONFIG_UFS_FS_WRITE is not set 6.192 - 6.193 -# 6.194 -# Network File Systems 6.195 -# 6.196 -# CONFIG_CODA_FS is not set 6.197 -# CONFIG_INTERMEZZO_FS is not set 6.198 -CONFIG_NFS_FS=y 6.199 -CONFIG_NFS_V3=y 6.200 -CONFIG_ROOT_NFS=y 6.201 -CONFIG_NFSD=y 6.202 -CONFIG_NFSD_V3=y 6.203 -# CONFIG_NFSD_TCP is not set 6.204 -CONFIG_SUNRPC=y 6.205 -CONFIG_LOCKD=y 6.206 -CONFIG_LOCKD_V4=y 6.207 -# CONFIG_SMB_FS is not set 6.208 -# CONFIG_NCP_FS is not set 6.209 -# CONFIG_NCPFS_PACKET_SIGNING is not set 6.210 -# CONFIG_NCPFS_IOCTL_LOCKING is not set 6.211 -# CONFIG_NCPFS_STRONG is not set 6.212 -# CONFIG_NCPFS_NFS_NS is not set 6.213 -# CONFIG_NCPFS_OS2_NS is not set 6.214 -# CONFIG_NCPFS_SMALLDOS is not set 6.215 -# CONFIG_NCPFS_NLS is not set 6.216 -# CONFIG_NCPFS_EXTRAS is not set 6.217 -CONFIG_ZISOFS_FS=y 6.218 - 6.219 -# 6.220 -# Partition Types 6.221 -# 6.222 -# CONFIG_PARTITION_ADVANCED is not set 6.223 -CONFIG_MSDOS_PARTITION=y 6.224 -# CONFIG_SMB_NLS is not set 6.225 -CONFIG_NLS=y 6.226 - 6.227 -# 6.228 -# Native Language Support 6.229 -# 6.230 -CONFIG_NLS_DEFAULT="iso8559-1" 6.231 -# CONFIG_NLS_CODEPAGE_437 is not set 6.232 -# CONFIG_NLS_CODEPAGE_737 is not set 6.233 -# CONFIG_NLS_CODEPAGE_775 is not set 6.234 -# CONFIG_NLS_CODEPAGE_850 is not set 6.235 -# CONFIG_NLS_CODEPAGE_852 is not set 6.236 -# CONFIG_NLS_CODEPAGE_855 is not set 6.237 -# CONFIG_NLS_CODEPAGE_857 is not set 6.238 -# CONFIG_NLS_CODEPAGE_860 is not set 6.239 -# CONFIG_NLS_CODEPAGE_861 is not set 6.240 -# CONFIG_NLS_CODEPAGE_862 is not set 6.241 -# CONFIG_NLS_CODEPAGE_863 is not set 6.242 -# CONFIG_NLS_CODEPAGE_864 is not set 6.243 -# CONFIG_NLS_CODEPAGE_865 is not set 6.244 -# CONFIG_NLS_CODEPAGE_866 is not set 6.245 -# CONFIG_NLS_CODEPAGE_869 is not set 6.246 -# CONFIG_NLS_CODEPAGE_936 is not set 6.247 -# CONFIG_NLS_CODEPAGE_950 is not set 6.248 -# CONFIG_NLS_CODEPAGE_932 is not set 6.249 -# CONFIG_NLS_CODEPAGE_949 is not set 6.250 -# CONFIG_NLS_CODEPAGE_874 is not set 6.251 -# CONFIG_NLS_ISO8859_8 is not set 6.252 -# CONFIG_NLS_CODEPAGE_1250 is not set 6.253 -# CONFIG_NLS_CODEPAGE_1251 is not set 6.254 -CONFIG_NLS_ISO8859_1=y 6.255 -# CONFIG_NLS_ISO8859_2 is not set 6.256 -# CONFIG_NLS_ISO8859_3 is not set 6.257 -# CONFIG_NLS_ISO8859_4 is not set 6.258 -# CONFIG_NLS_ISO8859_5 is not set 6.259 -# CONFIG_NLS_ISO8859_6 is not set 6.260 -# CONFIG_NLS_ISO8859_7 is not set 6.261 -# CONFIG_NLS_ISO8859_9 is not set 6.262 -# CONFIG_NLS_ISO8859_13 is not set 6.263 -# CONFIG_NLS_ISO8859_14 is not set 6.264 -# CONFIG_NLS_ISO8859_15 is not set 6.265 -# CONFIG_NLS_KOI8_R is not set 6.266 -# CONFIG_NLS_KOI8_U is not set 6.267 -# CONFIG_NLS_UTF8 is not set 6.268 - 6.269 -# 6.270 -# Kernel hacking 6.271 -# 6.272 -CONFIG_DEBUG_KERNEL=y 6.273 -# CONFIG_DEBUG_HIGHMEM is not set 6.274 -# CONFIG_DEBUG_SLAB is not set 6.275 -# CONFIG_DEBUG_IOVIRT is not set 6.276 -# CONFIG_MAGIC_SYSRQ is not set 6.277 -# CONFIG_DEBUG_SPINLOCK is not set 6.278 -# CONFIG_DEBUG_BUGVERBOSE is not set 6.279 -CONFIG_KALLSYMS=y 6.280 -# CONFIG_FRAME_POINTER is not set 6.281 - 6.282 -# 6.283 -# Library routines 6.284 -# 6.285 -CONFIG_ZLIB_INFLATE=y 6.286 -# CONFIG_ZLIB_DEFLATE is not set
7.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/Makefile Tue Jun 24 12:05:12 2003 +0000 7.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 7.3 @@ -1,3 +0,0 @@ 7.4 -O_TARGET := balloon_driver.o 7.5 -obj-y := balloon.o 7.6 -include $(TOPDIR)/Rules.make
8.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/balloon.c Tue Jun 24 12:05:12 2003 +0000 8.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 8.3 @@ -1,282 +0,0 @@ 8.4 -/****************************************************************************** 8.5 - * balloon.c 8.6 - * 8.7 - * Xeno balloon driver - enables returning/claiming memory to/from xen 8.8 - * 8.9 - * Copyright (c) 2003, B Dragovic 8.10 - */ 8.11 - 8.12 -#include <linux/config.h> 8.13 -#include <linux/module.h> 8.14 -#include <linux/kernel.h> 8.15 -#include <linux/sched.h> 8.16 -#include <linux/errno.h> 8.17 -#include <linux/proc_fs.h> 8.18 - 8.19 -#include <linux/mm.h> 8.20 -#include <linux/mman.h> 8.21 -#include <linux/smp_lock.h> 8.22 -#include <linux/pagemap.h> 8.23 - 8.24 -#include <asm/hypervisor.h> 8.25 -#include <asm/pgalloc.h> 8.26 -#include <asm/pgtable.h> 8.27 -#include <asm/uaccess.h> 8.28 -#include <asm/tlb.h> 8.29 - 8.30 -#include "dom_mem_ops.h" 8.31 - 8.32 -/* USER DEFINES -- THESE SHOULD BE COPIED TO USER-SPACE TOOLS */ 8.33 -#define USER_INFLATE_BALLOON 1 /* return mem to hypervisor */ 8.34 -#define USER_DEFLATE_BALLOON 2 /* claim mem from hypervisor */ 8.35 -typedef struct user_balloon_op { 8.36 - unsigned int op; 8.37 - unsigned long size; 8.38 -} user_balloon_op_t; 8.39 -/* END OF USER DEFINE */ 8.40 - 8.41 -/* Dead entry written into ballon-owned entries in the PMT. */ 8.42 -#define DEAD 0xdeadbeef 8.43 - 8.44 -#define BALLOON_ENTRY "balloon" 8.45 -extern struct proc_dir_entry *xeno_base; 8.46 - 8.47 -static struct proc_dir_entry *balloon_pde; 8.48 -unsigned long credit; 8.49 - 8.50 -static inline unsigned long get_ppte(unsigned long addr) 8.51 -{ 8.52 - unsigned long ppte; 8.53 - pgd_t *pgd; pmd_t *pmd; pte_t *ptep; 8.54 - pgd = pgd_offset_k(addr); 8.55 - 8.56 - if ( pgd_none(*pgd) || pgd_bad(*pgd) ) BUG(); 8.57 - 8.58 - pmd = pmd_offset(pgd, addr); 8.59 - if ( pmd_none(*pmd) || pmd_bad(*pmd) ) BUG(); 8.60 - 8.61 - ptep = pte_offset(pmd, addr); 8.62 - ppte = (unsigned long)__pa(ptep); 8.63 - 8.64 - return ppte; 8.65 -} 8.66 - 8.67 -/* main function for relinquishing bit of memory */ 8.68 -static unsigned long inflate_balloon(unsigned long num_pages) 8.69 -{ 8.70 - dom_mem_op_t dom_mem_op; 8.71 - unsigned long *parray; 8.72 - unsigned long *currp; 8.73 - unsigned long curraddr; 8.74 - unsigned long ret = 0; 8.75 - unsigned long vaddr; 8.76 - unsigned long i, j; 8.77 - 8.78 - parray = (unsigned long *)kmalloc(num_pages * 8.79 - sizeof(unsigned long), GFP_KERNEL); 8.80 - currp = parray; 8.81 - 8.82 - for ( i = 0; i < num_pages; i++ ) 8.83 - { 8.84 - /* try to obtain a free page, has to be done with GFP_ATOMIC 8.85 - * as we do not want to sleep indefinately. 8.86 - */ 8.87 - vaddr = __get_free_page(GFP_ATOMIC); 8.88 - 8.89 - /* if allocation fails, free all reserved pages */ 8.90 - if(!vaddr){ 8.91 - printk("Unable to inflate balloon by %ld, only %ld pages free.", 8.92 - num_pages, i); 8.93 - currp = parray; 8.94 - for(j = 0; j < i; j++){ 8.95 - free_page(*currp++); 8.96 - } 8.97 - goto cleanup; 8.98 - } 8.99 - 8.100 - *currp++ = vaddr; 8.101 - } 8.102 - 8.103 - 8.104 - currp = parray; 8.105 - for ( i = 0; i < num_pages; i++ ) 8.106 - { 8.107 - curraddr = *currp; 8.108 - *currp = virt_to_machine(*currp) >> PAGE_SHIFT; 8.109 - queue_l1_entry_update(get_ppte(curraddr) | PGREQ_NORMAL, 0); 8.110 - phys_to_machine_mapping[__pa(curraddr) >> PAGE_SHIFT] = DEAD; 8.111 - currp++; 8.112 - } 8.113 - 8.114 - XENO_flush_page_update_queue(); 8.115 - 8.116 - dom_mem_op.op = BALLOON_INFLATE_OP; 8.117 - dom_mem_op.u.balloon_inflate.size = num_pages; 8.118 - dom_mem_op.u.balloon_inflate.pages = parray; 8.119 - if ( (ret = HYPERVISOR_dom_mem_op(&dom_mem_op)) != num_pages ) 8.120 - { 8.121 - printk("Unable to inflate balloon, error %lx\n", ret); 8.122 - goto cleanup; 8.123 - } 8.124 - 8.125 - credit += num_pages; 8.126 - ret = num_pages; 8.127 - 8.128 - cleanup: 8.129 - kfree(parray); 8.130 - 8.131 - return ret; 8.132 -} 8.133 - 8.134 -/* install new mem pages obtained by deflate_balloon. function walks 8.135 - * phys->machine mapping table looking for DEAD entries and populates 8.136 - * them. 8.137 - */ 8.138 -static unsigned long process_new_pages(unsigned long * parray, 8.139 - unsigned long num) 8.140 -{ 8.141 - /* currently, this function is rather simplistic as 8.142 - * it is assumed that domain reclaims only number of 8.143 - * pages previously released. this is to change soon 8.144 - * and the code to extend page tables etc. will be 8.145 - * incorporated here. 8.146 - */ 8.147 - 8.148 - unsigned long tot_pages = start_info.nr_pages; 8.149 - unsigned long * curr = parray; 8.150 - unsigned long num_installed; 8.151 - unsigned long i; 8.152 - 8.153 - num_installed = 0; 8.154 - for ( i = 0; (i < tot_pages) && (num_installed < num); i++ ) 8.155 - { 8.156 - if ( phys_to_machine_mapping[i] == DEAD ) 8.157 - { 8.158 - printk(KERN_ALERT "bd240 debug: proc_new_pages: i %lx, mpt %lx, %lx\n", i, i << PAGE_SHIFT, get_ppte((unsigned long)__va(i << PAGE_SHIFT)) | PGREQ_NORMAL); 8.159 - phys_to_machine_mapping[i] = *curr; 8.160 - queue_l1_entry_update((i << PAGE_SHIFT) | PGREQ_MPT_UPDATE, i); 8.161 - queue_l1_entry_update( 8.162 - get_ppte((unsigned long)__va(i << PAGE_SHIFT)) | PGREQ_NORMAL, 8.163 - ((*curr) << PAGE_SHIFT) | L1_PROT); 8.164 - 8.165 - *curr = (unsigned long)__va(i << PAGE_SHIFT); 8.166 - curr++; 8.167 - num_installed++; 8.168 - } 8.169 - } 8.170 - 8.171 - /* now, this is tricky (and will also change for machine addrs that 8.172 - * are mapped to not previously released addresses). we free pages 8.173 - * that were allocated by get_free_page (the mappings are different 8.174 - * now, of course). 8.175 - */ 8.176 - curr = parray; 8.177 - for ( i = 0; i < num_installed; i++ ) 8.178 - { 8.179 - free_page(*curr); 8.180 - curr++; 8.181 - } 8.182 - 8.183 - return num_installed; 8.184 -} 8.185 - 8.186 -unsigned long deflate_balloon(unsigned long num_pages) 8.187 -{ 8.188 - dom_mem_op_t dom_mem_op; 8.189 - unsigned long ret; 8.190 - unsigned long * parray; 8.191 - 8.192 - printk(KERN_ALERT "bd240 debug: deflate balloon called for %lx pages\n", num_pages); 8.193 - 8.194 - if ( num_pages > credit ) 8.195 - { 8.196 - printk("Can not allocate more pages than previously released.\n"); 8.197 - return -EAGAIN; 8.198 - } 8.199 - 8.200 - parray = (unsigned long *)kmalloc(num_pages * sizeof(unsigned long), 8.201 - GFP_KERNEL); 8.202 - 8.203 - dom_mem_op.op = BALLOON_DEFLATE_OP; 8.204 - dom_mem_op.u.balloon_deflate.size = num_pages; 8.205 - dom_mem_op.u.balloon_deflate.pages = parray; 8.206 - if((ret = HYPERVISOR_dom_mem_op(&dom_mem_op)) != num_pages){ 8.207 - printk("Unable to deflate balloon, error %lx\n", ret); 8.208 - goto cleanup; 8.209 - } 8.210 - 8.211 - if((ret = process_new_pages(parray, num_pages)) < num_pages){ 8.212 - printk("Unable to deflate balloon by specified %lx pages, only %lx.\n", 8.213 - num_pages, ret); 8.214 - goto cleanup; 8.215 - } 8.216 - 8.217 - ret = num_pages; 8.218 - credit -= num_pages; 8.219 - 8.220 - cleanup: 8.221 - kfree(parray); 8.222 - 8.223 - return ret; 8.224 -} 8.225 - 8.226 -static int balloon_write(struct file *file, const char *buffer, 8.227 - u_long count, void *data) 8.228 -{ 8.229 - user_balloon_op_t bop; 8.230 - 8.231 - /* Only admin can play with the balloon :) */ 8.232 - if ( !capable(CAP_SYS_ADMIN) ) 8.233 - return -EPERM; 8.234 - 8.235 - if ( copy_from_user(&bop, buffer, sizeof(bop)) ) 8.236 - return -EFAULT; 8.237 - 8.238 - switch ( bop.op ) 8.239 - { 8.240 - case USER_INFLATE_BALLOON: 8.241 - if ( inflate_balloon(bop.size) < bop.size ) 8.242 - return -EAGAIN; 8.243 - break; 8.244 - 8.245 - case USER_DEFLATE_BALLOON: 8.246 - deflate_balloon(bop.size); 8.247 - break; 8.248 - 8.249 - default: 8.250 - printk("Unknown command to balloon driver."); 8.251 - return -EFAULT; 8.252 - } 8.253 - 8.254 - return sizeof(bop); 8.255 -} 8.256 - 8.257 -/* 8.258 - * main balloon driver initialization function. 8.259 - */ 8.260 -static int __init init_module(void) 8.261 -{ 8.262 - printk(KERN_ALERT "Starting Xeno Balloon driver\n"); 8.263 - 8.264 - credit = 0; 8.265 - 8.266 - balloon_pde = create_proc_entry(BALLOON_ENTRY, 0600, xeno_base); 8.267 - if ( balloon_pde == NULL ) 8.268 - { 8.269 - printk(KERN_ALERT "Unable to create balloon driver proc entry!"); 8.270 - return -1; 8.271 - } 8.272 - 8.273 - balloon_pde->write_proc = balloon_write; 8.274 - 8.275 - return 0; 8.276 -} 8.277 - 8.278 -static void __exit cleanup_module(void) 8.279 -{ 8.280 -} 8.281 - 8.282 -module_init(init_module); 8.283 -module_exit(cleanup_module); 8.284 - 8.285 -
9.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/balloon/dom_mem_ops.h Tue Jun 24 12:05:12 2003 +0000 9.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 9.3 @@ -1,32 +0,0 @@ 9.4 -/****************************************************************************** 9.5 - * dom_mem_ops.h 9.6 - * 9.7 - * Header file supporting domain related memory operations. N.B. keep in sync 9.8 - * with xen version. 9.9 - * 9.10 - * Copyright (c) 2003, B Dragovic 9.11 - */ 9.12 - 9.13 -#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_USER|_PAGE_ACCESSED) 9.14 -#define BALLOON_DEFLATE_OP 0 9.15 -#define BALLOON_INFLATE_OP 1 9.16 - 9.17 -typedef struct balloon_deflate_op { 9.18 - unsigned long size; 9.19 - unsigned long * pages; 9.20 -} balloon_def_op_t; 9.21 - 9.22 -typedef struct balloon_inflate_op { 9.23 - unsigned long size; 9.24 - unsigned long * pages; 9.25 -} balloon_inf_op_t; 9.26 - 9.27 -typedef struct dom_mem_ops 9.28 -{ 9.29 - unsigned int op; 9.30 - union 9.31 - { 9.32 - balloon_def_op_t balloon_deflate; 9.33 - balloon_inf_op_t balloon_inflate; 9.34 - }u; 9.35 -} dom_mem_op_t;
10.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/Makefile Tue Jun 24 12:05:12 2003 +0000 10.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 10.3 @@ -1,3 +0,0 @@ 10.4 -O_TARGET := blk.o 10.5 -obj-y := xl_block.o xl_ide.o xl_scsi.o xl_segment.o xl_segment_proc.o 10.6 -include $(TOPDIR)/Rules.make
11.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.c Tue Jun 24 12:05:12 2003 +0000 11.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 11.3 @@ -1,589 +0,0 @@ 11.4 -/****************************************************************************** 11.5 - * xl_block.c 11.6 - * 11.7 - * Xenolinux virtual block-device driver. 11.8 - * 11.9 - */ 11.10 - 11.11 -#include "xl_block.h" 11.12 -#include <linux/blk.h> 11.13 -#include <linux/cdrom.h> 11.14 - 11.15 -typedef unsigned char byte; /* from linux/ide.h */ 11.16 - 11.17 -#define XLBLK_RESPONSE_IRQ _EVENT_BLK_RESP 11.18 -#define DEBUG_IRQ _EVENT_DEBUG 11.19 - 11.20 -static blk_ring_t *blk_ring; 11.21 -static unsigned int resp_cons; /* Response consumer for comms ring. */ 11.22 -static unsigned int req_prod; /* Private request producer. */ 11.23 -static xen_disk_info_t xlblk_disk_info; 11.24 -static int xlblk_control_msg_pending; 11.25 - 11.26 -#define RING_FULL (BLK_RING_INC(req_prod) == resp_cons) 11.27 - 11.28 -/* 11.29 - * Request queues with outstanding work, but ring is currently full. 11.30 - * We need no special lock here, as we always access this with the 11.31 - * io_request_lock held. We only need a small maximum list. 11.32 - */ 11.33 -#define MAX_PENDING 8 11.34 -static request_queue_t *pending_queues[MAX_PENDING]; 11.35 -static int nr_pending; 11.36 - 11.37 -static kdev_t sg_dev; 11.38 -static int sg_operation = -1; 11.39 -static unsigned long sg_next_sect; 11.40 -#define DISABLE_SCATTERGATHER() (sg_operation = -1) 11.41 - 11.42 -static inline void signal_requests_to_xen(void) 11.43 -{ 11.44 - DISABLE_SCATTERGATHER(); 11.45 - blk_ring->req_prod = req_prod; 11.46 - HYPERVISOR_block_io_op(); 11.47 -} 11.48 - 11.49 -/* Convert from a XenoLinux major device to the Xen-level 'physical' device */ 11.50 -inline unsigned short xldev_to_physdev(kdev_t xldev) 11.51 -{ 11.52 - unsigned short physdev = 0; 11.53 - 11.54 - switch ( MAJOR(xldev) ) 11.55 - { 11.56 - case XLIDE_MAJOR_0: 11.57 - physdev = XENDEV_IDE + (0*XLIDE_DEVS_PER_MAJOR) + 11.58 - (MINOR(xldev) >> XLIDE_PARTN_SHIFT); 11.59 - break; 11.60 - 11.61 - case XLIDE_MAJOR_1: 11.62 - physdev = XENDEV_IDE + (1*XLIDE_DEVS_PER_MAJOR) + 11.63 - (MINOR(xldev) >> XLIDE_PARTN_SHIFT); 11.64 - break; 11.65 - 11.66 - case XLSCSI_MAJOR: 11.67 - physdev = XENDEV_SCSI + (MINOR(xldev) >> XLSCSI_PARTN_SHIFT); 11.68 - break; 11.69 - 11.70 - case XLVIRT_MAJOR: 11.71 - physdev = XENDEV_VIRTUAL + (MINOR(xldev) >> XLVIRT_PARTN_SHIFT); 11.72 - break; 11.73 - } 11.74 - 11.75 - if ( physdev == 0 ) BUG(); 11.76 - 11.77 - return physdev; 11.78 -} 11.79 - 11.80 - 11.81 -static inline struct gendisk *xldev_to_gendisk(kdev_t xldev) 11.82 -{ 11.83 - struct gendisk *gd = NULL; 11.84 - 11.85 - switch ( MAJOR(xldev) ) 11.86 - { 11.87 - case XLIDE_MAJOR_0: 11.88 - gd = xlide_gendisk[0]; 11.89 - break; 11.90 - 11.91 - case XLIDE_MAJOR_1: 11.92 - gd = xlide_gendisk[1]; 11.93 - break; 11.94 - 11.95 - case XLSCSI_MAJOR: 11.96 - gd = xlscsi_gendisk; 11.97 - break; 11.98 - 11.99 - case XLVIRT_MAJOR: 11.100 - gd = xlsegment_gendisk; 11.101 - break; 11.102 - } 11.103 - 11.104 - if ( gd == NULL ) BUG(); 11.105 - 11.106 - return gd; 11.107 -} 11.108 - 11.109 - 11.110 -static inline xl_disk_t *xldev_to_xldisk(kdev_t xldev) 11.111 -{ 11.112 - struct gendisk *gd = xldev_to_gendisk(xldev); 11.113 - return (xl_disk_t *)gd->real_devices + 11.114 - (MINOR(xldev) >> PARTN_SHIFT(xldev)); 11.115 -} 11.116 - 11.117 - 11.118 -int xenolinux_block_open(struct inode *inode, struct file *filep) 11.119 -{ 11.120 - xl_disk_t *disk = xldev_to_xldisk(inode->i_rdev); 11.121 - disk->usage++; 11.122 - DPRINTK("xenolinux_block_open\n"); 11.123 - return 0; 11.124 -} 11.125 - 11.126 - 11.127 -int xenolinux_block_release(struct inode *inode, struct file *filep) 11.128 -{ 11.129 - xl_disk_t *disk = xldev_to_xldisk(inode->i_rdev); 11.130 - disk->usage--; 11.131 - DPRINTK("xenolinux_block_release\n"); 11.132 - return 0; 11.133 -} 11.134 - 11.135 -/* 11.136 - * handle ioctl calls 11.137 - * 11.138 - * individual ioctls are defined in /usr/include/linux/fs.h 11.139 - */ 11.140 - 11.141 -int xenolinux_block_ioctl(struct inode *inode, struct file *filep, 11.142 - unsigned command, unsigned long argument) 11.143 -{ 11.144 - kdev_t dev = inode->i_rdev; 11.145 - struct hd_geometry *geo = (struct hd_geometry *)argument; 11.146 - struct gendisk *gd; 11.147 - struct hd_struct *part; 11.148 - 11.149 - DPRINTK("xenolinux_block_ioctl\n"); 11.150 - 11.151 - /* check permissions */ 11.152 - if (!capable(CAP_SYS_ADMIN)) return -EPERM; 11.153 - if (!inode) return -EINVAL; 11.154 - 11.155 - DPRINTK_IOCTL("command: 0x%x, argument: 0x%lx, dev: 0x%04x\n", 11.156 - command, (long) argument, dev); 11.157 - 11.158 - gd = xldev_to_gendisk(dev); 11.159 - part = &gd->part[MINOR(dev)]; 11.160 - 11.161 - switch ( command ) 11.162 - { 11.163 - case BLKGETSIZE: 11.164 - DPRINTK_IOCTL(" BLKGETSIZE: %x %lx\n", BLKGETSIZE, part->nr_sects); 11.165 - return put_user(part->nr_sects, (unsigned long *) argument); 11.166 - 11.167 - case BLKRRPART: /* re-read partition table */ 11.168 - DPRINTK_IOCTL(" BLKRRPART: %x\n", BLKRRPART); 11.169 - return xenolinux_block_revalidate(dev); 11.170 - 11.171 - case BLKSSZGET: 11.172 - switch ( MAJOR(dev) ) 11.173 - { 11.174 - case XLIDE_MAJOR_0: 11.175 - DPRINTK_IOCTL(" BLKSSZGET: %x 0x%x\n", BLKSSZGET, 11.176 - xlide_hwsect(MINOR(dev))); 11.177 - return xlide_hwsect(MINOR(dev)); 11.178 - 11.179 - case XLSCSI_MAJOR: 11.180 - DPRINTK_IOCTL(" BLKSSZGET: %x 0x%x\n", BLKSSZGET, 11.181 - xlscsi_hwsect(MINOR(dev))); 11.182 - return xlscsi_hwsect(MINOR(dev)); 11.183 - 11.184 - case XLVIRT_MAJOR: 11.185 - DPRINTK_IOCTL(" BLKSSZGET: %x 0x%x\n", BLKSSZGET, 11.186 - xlsegment_hwsect(MINOR(dev))); 11.187 - return xlsegment_hwsect(MINOR(dev)); 11.188 - 11.189 - default: 11.190 - printk(KERN_ALERT "BLKSSZGET ioctl() on bogus disk!\n"); 11.191 - return 0; 11.192 - } 11.193 - 11.194 - case BLKBSZGET: /* get block size */ 11.195 - DPRINTK_IOCTL(" BLKBSZGET: %x\n", BLKBSZGET); 11.196 - break; 11.197 - 11.198 - case BLKBSZSET: /* set block size */ 11.199 - DPRINTK_IOCTL(" BLKBSZSET: %x\n", BLKBSZSET); 11.200 - break; 11.201 - 11.202 - case BLKRASET: /* set read-ahead */ 11.203 - DPRINTK_IOCTL(" BLKRASET: %x\n", BLKRASET); 11.204 - break; 11.205 - 11.206 - case BLKRAGET: /* get read-ahead */ 11.207 - DPRINTK_IOCTL(" BLKRAFET: %x\n", BLKRAGET); 11.208 - break; 11.209 - 11.210 - case HDIO_GETGEO: 11.211 - /* note: these values are complete garbage */ 11.212 - DPRINTK_IOCTL(" HDIO_GETGEO: %x\n", HDIO_GETGEO); 11.213 - if (!argument) return -EINVAL; 11.214 - if (put_user(0x00, (unsigned long *) &geo->start)) return -EFAULT; 11.215 - if (put_user(0xff, (byte *)&geo->heads)) return -EFAULT; 11.216 - if (put_user(0x3f, (byte *)&geo->sectors)) return -EFAULT; 11.217 - if (put_user(0x106, (unsigned short *)&geo->cylinders)) return -EFAULT; 11.218 - return 0; 11.219 - 11.220 - case HDIO_GETGEO_BIG: 11.221 - /* note: these values are complete garbage */ 11.222 - DPRINTK_IOCTL(" HDIO_GETGEO_BIG: %x\n", HDIO_GETGEO_BIG); 11.223 - if (!argument) return -EINVAL; 11.224 - if (put_user(0x00, (unsigned long *) &geo->start)) return -EFAULT; 11.225 - if (put_user(0xff, (byte *)&geo->heads)) return -EFAULT; 11.226 - if (put_user(0x3f, (byte *)&geo->sectors)) return -EFAULT; 11.227 - if (put_user(0x106, (unsigned int *) &geo->cylinders)) return -EFAULT; 11.228 - return 0; 11.229 - 11.230 - case CDROMMULTISESSION: 11.231 - printk("FIXME: support multisession CDs later\n"); 11.232 - memset((struct cdrom_multisession *)argument, 0, 11.233 - sizeof(struct cdrom_multisession)); 11.234 - return 0; 11.235 - 11.236 - default: 11.237 - printk("ioctl %08x not supported by xl_block\n", command); 11.238 - return -ENOSYS; 11.239 - } 11.240 - 11.241 - return 0; 11.242 -} 11.243 - 11.244 -int xenolinux_block_check(kdev_t dev) 11.245 -{ 11.246 - DPRINTK("xenolinux_block_check\n"); 11.247 - return 0; 11.248 -} 11.249 - 11.250 -int xenolinux_block_revalidate(kdev_t dev) 11.251 -{ 11.252 - struct gendisk *gd = xldev_to_gendisk(dev); 11.253 - xl_disk_t *disk = xldev_to_xldisk(dev); 11.254 - unsigned long flags; 11.255 - int i, partn_shift = PARTN_SHIFT(dev); 11.256 - int xdev = dev & XENDEV_IDX_MASK; 11.257 - 11.258 - DPRINTK("xenolinux_block_revalidate: %d %d %d\n", 11.259 - dev, xdev, XENDEV_IDX_MASK); 11.260 - 11.261 - spin_lock_irqsave(&io_request_lock, flags); 11.262 - if ( disk->usage > 1 ) 11.263 - { 11.264 - spin_unlock_irqrestore(&io_request_lock, flags); 11.265 - return -EBUSY; 11.266 - } 11.267 - spin_unlock_irqrestore(&io_request_lock, flags); 11.268 - 11.269 - for ( i = 0; i < (1 << partn_shift); i++ ) 11.270 - { 11.271 - invalidate_device(xdev + i, 1); 11.272 - gd->part[xdev + i].start_sect = 0; 11.273 - gd->part[xdev + i].nr_sects = 0; 11.274 - } 11.275 - 11.276 - grok_partitions(gd, MINOR(dev) >> partn_shift, 11.277 - 1 << partn_shift, disk->capacity); 11.278 - 11.279 - return 0; 11.280 -} 11.281 - 11.282 - 11.283 -/* 11.284 - * hypervisor_request 11.285 - * 11.286 - * request block io 11.287 - * 11.288 - * id: for guest use only. 11.289 - * operation: XEN_BLOCK_{READ,WRITE,PROBE*,SEG*} 11.290 - * buffer: buffer to read/write into. this should be a 11.291 - * virtual address in the guest os. 11.292 - */ 11.293 -static int hypervisor_request(unsigned long id, 11.294 - int operation, 11.295 - char * buffer, 11.296 - unsigned long sector_number, 11.297 - unsigned short nr_sectors, 11.298 - kdev_t device) 11.299 -{ 11.300 - unsigned long buffer_ma = phys_to_machine(virt_to_phys(buffer)); 11.301 - kdev_t phys_device = (kdev_t) 0; 11.302 - struct gendisk *gd; 11.303 - blk_ring_req_entry_t *req; 11.304 - struct buffer_head *bh; 11.305 - 11.306 - if ( nr_sectors >= (1<<9) ) BUG(); 11.307 - if ( (buffer_ma & ((1<<9)-1)) != 0 ) BUG(); 11.308 - 11.309 - switch ( operation ) 11.310 - { 11.311 - case XEN_BLOCK_SEG_CREATE: 11.312 - case XEN_BLOCK_SEG_DELETE: 11.313 - case XEN_BLOCK_PROBE_BLK: 11.314 - case XEN_BLOCK_PROBE_SEG: 11.315 - if ( RING_FULL ) return 1; 11.316 - phys_device = (kdev_t) 0; 11.317 - sector_number = 0; 11.318 - DISABLE_SCATTERGATHER(); 11.319 - break; 11.320 - 11.321 - case XEN_BLOCK_READ: 11.322 - case XEN_BLOCK_WRITE: 11.323 - phys_device = xldev_to_physdev(device); 11.324 - gd = xldev_to_gendisk(device); 11.325 - 11.326 - sector_number += gd->part[MINOR(device)].start_sect; 11.327 - if ( (sg_operation == operation) && 11.328 - (sg_dev == phys_device) && 11.329 - (sg_next_sect == sector_number) ) 11.330 - { 11.331 - req = &blk_ring->ring[(req_prod-1)&(BLK_RING_SIZE-1)].req; 11.332 - bh = (struct buffer_head *)id; 11.333 - bh->b_reqnext = (struct buffer_head *)req->id; 11.334 - req->id = id; 11.335 - req->buffer_and_sects[req->nr_segments] = buffer_ma | nr_sectors; 11.336 - if ( ++req->nr_segments < MAX_BLK_SEGS ) 11.337 - sg_next_sect += nr_sectors; 11.338 - else 11.339 - DISABLE_SCATTERGATHER(); 11.340 - return 0; 11.341 - } 11.342 - else if ( RING_FULL ) 11.343 - { 11.344 - return 1; 11.345 - } 11.346 - else 11.347 - { 11.348 - sg_operation = operation; 11.349 - sg_dev = phys_device; 11.350 - sg_next_sect = sector_number + nr_sectors; 11.351 - } 11.352 - break; 11.353 - 11.354 - default: 11.355 - panic("unknown op %d\n", operation); 11.356 - } 11.357 - 11.358 - /* Fill out a communications ring structure. */ 11.359 - req = &blk_ring->ring[req_prod].req; 11.360 - req->id = id; 11.361 - req->operation = operation; 11.362 - req->sector_number = sector_number; 11.363 - req->device = phys_device; 11.364 - req->nr_segments = 1; 11.365 - req->buffer_and_sects[0] = buffer_ma | nr_sectors; 11.366 - req_prod = BLK_RING_INC(req_prod); 11.367 - 11.368 - return 0; 11.369 -} 11.370 - 11.371 - 11.372 -/* 11.373 - * do_xlblk_request 11.374 - * read a block; request is in a request queue 11.375 - */ 11.376 -void do_xlblk_request(request_queue_t *rq) 11.377 -{ 11.378 - struct request *req; 11.379 - struct buffer_head *bh, *next_bh; 11.380 - int rw, nsect, full, queued = 0; 11.381 - 11.382 - DPRINTK("xlblk.c::do_xlblk_request for '%s'\n", DEVICE_NAME); 11.383 - 11.384 - while ( !rq->plugged && !list_empty(&rq->queue_head)) 11.385 - { 11.386 - if ( (req = blkdev_entry_next_request(&rq->queue_head)) == NULL ) 11.387 - goto out; 11.388 - 11.389 - DPRINTK("do_xlblk_request %p: cmd %i, sec %lx, (%li/%li) bh:%p\n", 11.390 - req, req->cmd, req->sector, 11.391 - req->current_nr_sectors, req->nr_sectors, req->bh); 11.392 - 11.393 - rw = req->cmd; 11.394 - if ( rw == READA ) rw = READ; 11.395 - if ((rw != READ) && (rw != WRITE)) 11.396 - panic("XenoLinux Virtual Block Device: bad cmd: %d\n", rw); 11.397 - 11.398 - req->errors = 0; 11.399 - 11.400 - bh = req->bh; 11.401 - while ( bh != NULL ) 11.402 - { 11.403 - next_bh = bh->b_reqnext; 11.404 - bh->b_reqnext = NULL; 11.405 - 11.406 - full = hypervisor_request( 11.407 - (unsigned long)bh, 11.408 - (rw == READ) ? XEN_BLOCK_READ : XEN_BLOCK_WRITE, 11.409 - bh->b_data, bh->b_rsector, bh->b_size>>9, bh->b_rdev); 11.410 - 11.411 - if ( full ) 11.412 - { 11.413 - bh->b_reqnext = next_bh; 11.414 - pending_queues[nr_pending++] = rq; 11.415 - if ( nr_pending >= MAX_PENDING ) BUG(); 11.416 - goto out; 11.417 - } 11.418 - 11.419 - queued++; 11.420 - 11.421 - /* Dequeue the buffer head from the request. */ 11.422 - nsect = bh->b_size >> 9; 11.423 - bh = req->bh = next_bh; 11.424 - 11.425 - if ( bh != NULL ) 11.426 - { 11.427 - /* There's another buffer head to do. Update the request. */ 11.428 - req->hard_sector += nsect; 11.429 - req->hard_nr_sectors -= nsect; 11.430 - req->sector = req->hard_sector; 11.431 - req->nr_sectors = req->hard_nr_sectors; 11.432 - req->current_nr_sectors = bh->b_size >> 9; 11.433 - req->buffer = bh->b_data; 11.434 - } 11.435 - else 11.436 - { 11.437 - /* That was the last buffer head. Finalise the request. */ 11.438 - if ( end_that_request_first(req, 1, "XenBlk") ) BUG(); 11.439 - blkdev_dequeue_request(req); 11.440 - end_that_request_last(req); 11.441 - } 11.442 - } 11.443 - } 11.444 - 11.445 - out: 11.446 - if ( queued != 0 ) signal_requests_to_xen(); 11.447 -} 11.448 - 11.449 - 11.450 -static void xlblk_response_int(int irq, void *dev_id, struct pt_regs *ptregs) 11.451 -{ 11.452 - int i; 11.453 - unsigned long flags; 11.454 - struct buffer_head *bh, *next_bh; 11.455 - 11.456 - spin_lock_irqsave(&io_request_lock, flags); 11.457 - 11.458 - for ( i = resp_cons; 11.459 - i != blk_ring->resp_prod; 11.460 - i = BLK_RING_INC(i) ) 11.461 - { 11.462 - blk_ring_resp_entry_t *bret = &blk_ring->ring[i].resp; 11.463 - switch (bret->operation) 11.464 - { 11.465 - case XEN_BLOCK_READ: 11.466 - case XEN_BLOCK_WRITE: 11.467 - if ( bret->status ) 11.468 - printk(KERN_ALERT "Bad return from blkdev data request: %lx\n", 11.469 - bret->status); 11.470 - for ( bh = (struct buffer_head *)bret->id; 11.471 - bh != NULL; 11.472 - bh = next_bh ) 11.473 - { 11.474 - next_bh = bh->b_reqnext; 11.475 - bh->b_reqnext = NULL; 11.476 - bh->b_end_io(bh, !bret->status); 11.477 - } 11.478 - break; 11.479 - 11.480 - case XEN_BLOCK_SEG_CREATE: 11.481 - case XEN_BLOCK_SEG_DELETE: 11.482 - case XEN_BLOCK_PROBE_SEG: 11.483 - case XEN_BLOCK_PROBE_BLK: 11.484 - if ( bret->status ) 11.485 - printk(KERN_ALERT "Bad return from blkdev control request\n"); 11.486 - xlblk_control_msg_pending = 0; 11.487 - break; 11.488 - 11.489 - default: 11.490 - BUG(); 11.491 - } 11.492 - } 11.493 - 11.494 - resp_cons = i; 11.495 - 11.496 - /* We kick pending request queues if the ring is reasonably empty. */ 11.497 - if ( (nr_pending != 0) && 11.498 - (((req_prod - resp_cons) & (BLK_RING_SIZE - 1)) < 11.499 - (BLK_RING_SIZE >> 1)) ) 11.500 - { 11.501 - /* Attempt to drain the queue, but bail if the ring becomes full. */ 11.502 - while ( nr_pending != 0 ) 11.503 - { 11.504 - do_xlblk_request(pending_queues[--nr_pending]); 11.505 - if ( RING_FULL ) break; 11.506 - } 11.507 - } 11.508 - 11.509 - spin_unlock_irqrestore(&io_request_lock, flags); 11.510 -} 11.511 - 11.512 - 11.513 -/* Send a synchronous message to Xen. */ 11.514 -int xenolinux_control_msg(int operation, char *buffer, int size) 11.515 -{ 11.516 - unsigned long flags; 11.517 - char *aligned_buf; 11.518 - 11.519 - /* We copy from an aligned buffer, as interface needs sector alignment. */ 11.520 - aligned_buf = (char *)get_free_page(GFP_KERNEL); 11.521 - if ( aligned_buf == NULL ) BUG(); 11.522 - memcpy(aligned_buf, buffer, size); 11.523 - 11.524 - xlblk_control_msg_pending = 1; 11.525 - spin_lock_irqsave(&io_request_lock, flags); 11.526 - /* Note that size gets rounded up to a sector-sized boundary. */ 11.527 - if ( hypervisor_request(0, operation, aligned_buf, 0, (size+511)/512, 0) ) 11.528 - return -EAGAIN; 11.529 - signal_requests_to_xen(); 11.530 - spin_unlock_irqrestore(&io_request_lock, flags); 11.531 - while ( xlblk_control_msg_pending ) barrier(); 11.532 - 11.533 - memcpy(buffer, aligned_buf, size); 11.534 - free_page((unsigned long)aligned_buf); 11.535 - 11.536 - return 0; 11.537 -} 11.538 - 11.539 - 11.540 -int __init xlblk_init(void) 11.541 -{ 11.542 - int error; 11.543 - 11.544 - xlblk_control_msg_pending = 0; 11.545 - nr_pending = 0; 11.546 - 11.547 - /* This mapping was created early at boot time. */ 11.548 - blk_ring = (blk_ring_t *)fix_to_virt(FIX_BLKRING_BASE); 11.549 - blk_ring->req_prod = blk_ring->resp_prod = resp_cons = req_prod = 0; 11.550 - 11.551 - error = request_irq(XLBLK_RESPONSE_IRQ, xlblk_response_int, 11.552 - SA_SAMPLE_RANDOM, "xlblk-response", NULL); 11.553 - if ( error ) 11.554 - { 11.555 - printk(KERN_ALERT "Could not allocate receive interrupt\n"); 11.556 - goto fail; 11.557 - } 11.558 - 11.559 - /* Probe for disk information. */ 11.560 - memset(&xlblk_disk_info, 0, sizeof(xlblk_disk_info)); 11.561 - error = xenolinux_control_msg(XEN_BLOCK_PROBE_BLK, 11.562 - (char *)&xlblk_disk_info, 11.563 - sizeof(xen_disk_info_t)); 11.564 - if ( error ) 11.565 - { 11.566 - printk(KERN_ALERT "Could not probe disks (%d)\n", error); 11.567 - free_irq(XLBLK_RESPONSE_IRQ, NULL); 11.568 - goto fail; 11.569 - } 11.570 - 11.571 - /* Pass the information to our fake IDE and SCSI susbystems. */ 11.572 - xlide_init(&xlblk_disk_info); 11.573 - xlscsi_init(&xlblk_disk_info); 11.574 - 11.575 - return 0; 11.576 - 11.577 - fail: 11.578 - return error; 11.579 -} 11.580 - 11.581 -static void __exit xlblk_cleanup(void) 11.582 -{ 11.583 - xlide_cleanup(); 11.584 - xlscsi_cleanup(); 11.585 - free_irq(XLBLK_RESPONSE_IRQ, NULL); 11.586 -} 11.587 - 11.588 - 11.589 -#ifdef MODULE 11.590 -module_init(xlblk_init); 11.591 -module_exit(xlblk_cleanup); 11.592 -#endif
12.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_block.h Tue Jun 24 12:05:12 2003 +0000 12.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 12.3 @@ -1,107 +0,0 @@ 12.4 -/****************************************************************************** 12.5 - * xl_block.h 12.6 - * 12.7 - * Shared definitions between all levels of XenoLinux Virtual block devices. 12.8 - */ 12.9 - 12.10 -#ifndef __XL_BLOCK_H__ 12.11 -#define __XL_BLOCK_H__ 12.12 - 12.13 -#include <linux/config.h> 12.14 -#include <linux/module.h> 12.15 - 12.16 -#include <linux/kernel.h> 12.17 -#include <linux/sched.h> 12.18 -#include <linux/slab.h> 12.19 -#include <linux/string.h> 12.20 -#include <linux/errno.h> 12.21 - 12.22 -#include <linux/fs.h> 12.23 -#include <linux/hdreg.h> 12.24 -#include <linux/blkdev.h> 12.25 -#include <linux/major.h> 12.26 - 12.27 -#include <asm/hypervisor-ifs/block.h> 12.28 -#include <asm/hypervisor-ifs/hypervisor-if.h> 12.29 -#include <asm/io.h> 12.30 -#include <asm/atomic.h> 12.31 -#include <asm/uaccess.h> 12.32 - 12.33 -#if 0 12.34 -#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a ) 12.35 -#else 12.36 -#define DPRINTK(_f, _a...) ((void)0) 12.37 -#endif 12.38 - 12.39 -#if 0 12.40 -#define DPRINTK_IOCTL(_f, _a...) printk ( KERN_ALERT _f , ## _a ) 12.41 -#else 12.42 -#define DPRINTK_IOCTL(_f, _a...) ((void)0) 12.43 -#endif 12.44 - 12.45 -/* XL IDE and SCSI use same major/minor numbers as normal Linux devices. */ 12.46 -#define XLIDE_MAJOR_0 IDE0_MAJOR 12.47 -#define XLIDE_MAJOR_1 IDE1_MAJOR 12.48 -#define XLSCSI_MAJOR SCSI_DISK0_MAJOR 12.49 - 12.50 -#define XLIDE_PARTN_SHIFT 6 12.51 -#define XLSCSI_PARTN_SHIFT 4 12.52 -#define XLVIRT_PARTN_SHIFT 4 12.53 - 12.54 -static inline int PARTN_SHIFT(kdev_t dev) 12.55 -{ 12.56 - switch ( MAJOR(dev) ) 12.57 - { 12.58 - case XLIDE_MAJOR_0: 12.59 - case XLIDE_MAJOR_1: 12.60 - return XLIDE_PARTN_SHIFT; 12.61 - case XLSCSI_MAJOR: 12.62 - return XLSCSI_PARTN_SHIFT; 12.63 - case XLVIRT_MAJOR: 12.64 - return XLVIRT_PARTN_SHIFT; 12.65 - default: 12.66 - BUG(); 12.67 - } 12.68 -} 12.69 - 12.70 -#define XLIDE_DEVS_PER_MAJOR 2 12.71 -#define XLSCSI_DEVS_PER_MAJOR 16 12.72 -#define XLVIRT_DEVS_PER_MAJOR 16 12.73 - 12.74 -/* 12.75 - * We have one of these per XL-IDE, XL-SCSI, and XL-VIRT device. 12.76 - * They hang in an array off the gendisk structure. We may end up putting 12.77 - * all kinds of interesting stuff here :-) 12.78 - */ 12.79 -typedef struct xl_disk { 12.80 - int usage; 12.81 - unsigned long capacity; 12.82 -} xl_disk_t; 12.83 - 12.84 -/* Generic layer. */ 12.85 -extern int xenolinux_control_msg(int operration, char *buffer, int size); 12.86 -extern int xenolinux_block_open(struct inode *inode, struct file *filep); 12.87 -extern int xenolinux_block_release(struct inode *inode, struct file *filep); 12.88 -extern int xenolinux_block_ioctl(struct inode *inode, struct file *filep, 12.89 - unsigned command, unsigned long argument); 12.90 -extern int xenolinux_block_check(kdev_t dev); 12.91 -extern int xenolinux_block_revalidate(kdev_t dev); 12.92 -extern void do_xlblk_request (request_queue_t *rq); 12.93 - 12.94 -/* Fake IDE subsystem. */ 12.95 -extern int xlide_init(xen_disk_info_t *xdi); 12.96 -extern int xlide_hwsect(int minor); 12.97 -extern void xlide_cleanup(void); 12.98 -extern struct gendisk *xlide_gendisk[]; 12.99 - 12.100 -/* Fake SCSI subsystem. */ 12.101 -extern int xlscsi_init(xen_disk_info_t *xdi); 12.102 -extern int xlscsi_hwsect(int minor); 12.103 -extern void xlscsi_cleanup(void); 12.104 -extern struct gendisk *xlscsi_gendisk; 12.105 - 12.106 -/* Virtual block-device subsystem. */ 12.107 -extern int xlsegment_hwsect(int minor); 12.108 -extern struct gendisk *xlsegment_gendisk; 12.109 - 12.110 -#endif /* __XL_BLOCK_H__ */
13.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_ide.c Tue Jun 24 12:05:12 2003 +0000 13.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 13.3 @@ -1,204 +0,0 @@ 13.4 -/****************************************************************************** 13.5 - * xl_ide.c 13.6 - * 13.7 - * Xenolinux virtual IDE block-device driver. 13.8 - */ 13.9 - 13.10 -#include "xl_block.h" 13.11 -#include <linux/blk.h> 13.12 - 13.13 -#define XLIDE_MAX 256 13.14 -#define XLIDE_MAJOR_NAME "hd" 13.15 -static int xlide_blksize_size[XLIDE_MAX]; 13.16 -static int xlide_hardsect_size[XLIDE_MAX]; 13.17 -static int xlide_max_sectors[XLIDE_MAX]; 13.18 - 13.19 -#define XLIDE_NR_MAJORS 2 13.20 - 13.21 -struct gendisk *xlide_gendisk[XLIDE_NR_MAJORS] = { NULL }; 13.22 - 13.23 -static struct block_device_operations xlide_block_fops = 13.24 -{ 13.25 - open: xenolinux_block_open, 13.26 - release: xenolinux_block_release, 13.27 - ioctl: xenolinux_block_ioctl, 13.28 - check_media_change: xenolinux_block_check, 13.29 - revalidate: xenolinux_block_revalidate, 13.30 -}; 13.31 - 13.32 -int xlide_hwsect(int minor) 13.33 -{ 13.34 - return xlide_hardsect_size[minor]; 13.35 -} 13.36 - 13.37 -static int get_major(int major) 13.38 -{ 13.39 - int r = register_blkdev(major, XLIDE_MAJOR_NAME, &xlide_block_fops); 13.40 - if ( r < 0 ) 13.41 - printk (KERN_ALERT "XL IDE: can't get major %d\n", XLIDE_MAJOR_0); 13.42 - return r; 13.43 -} 13.44 - 13.45 -static void setup_major(struct gendisk **pgd, 13.46 - xen_disk_info_t *xdi, int base, int major) 13.47 -{ 13.48 - int i, minors, disk, units = XLIDE_DEVS_PER_MAJOR; 13.49 - unsigned short minor; 13.50 - unsigned char buf[64]; 13.51 - struct gendisk *gd; 13.52 - 13.53 - blk_size[major] = NULL; 13.54 - blksize_size[major] = xlide_blksize_size + base*(1<<XLIDE_PARTN_SHIFT); 13.55 - hardsect_size[major] = xlide_hardsect_size + base*(1<<XLIDE_PARTN_SHIFT); 13.56 - max_sectors[major] = xlide_max_sectors + base*(1<<XLIDE_PARTN_SHIFT); 13.57 - read_ahead[major] = 8; 13.58 - 13.59 - blk_init_queue(BLK_DEFAULT_QUEUE(major), do_xlblk_request); 13.60 - 13.61 - /* 13.62 - * Turn off barking 'headactive' mode. We dequeue buffer heads as soon as 13.63 - * we pass them down to Xen. 13.64 - */ 13.65 - blk_queue_headactive(BLK_DEFAULT_QUEUE(major), 0); 13.66 - 13.67 - /* Construct an appropriate gendisk structure. */ 13.68 - minors = units * (1<<XLIDE_PARTN_SHIFT); 13.69 - gd = kmalloc(sizeof(struct gendisk), GFP_KERNEL); 13.70 - gd->sizes = kmalloc(minors * sizeof(int), GFP_KERNEL); 13.71 - gd->part = kmalloc(minors * sizeof(struct hd_struct), GFP_KERNEL); 13.72 - gd->major = major; 13.73 - gd->major_name = XLIDE_MAJOR_NAME; 13.74 - gd->minor_shift = XLIDE_PARTN_SHIFT; 13.75 - gd->max_p = 1<<XLIDE_PARTN_SHIFT; 13.76 - gd->nr_real = units; 13.77 - gd->real_devices = kmalloc(units * sizeof(xl_disk_t), GFP_KERNEL); 13.78 - gd->next = NULL; 13.79 - gd->fops = &xlide_block_fops; 13.80 - gd->de_arr = kmalloc(sizeof(*gd->de_arr) * units, GFP_KERNEL); 13.81 - gd->flags = kmalloc(sizeof(*gd->flags) * units, GFP_KERNEL); 13.82 - memset(gd->sizes, 0, minors * sizeof(int)); 13.83 - memset(gd->part, 0, minors * sizeof(struct hd_struct)); 13.84 - memset(gd->de_arr, 0, sizeof(*gd->de_arr) * units); 13.85 - memset(gd->flags, 0, sizeof(*gd->flags) * units); 13.86 - memset(gd->real_devices, 0, sizeof(xl_disk_t) * units); 13.87 - *pgd = gd; 13.88 - add_gendisk(gd); 13.89 - 13.90 - /* Now register each disk in turn. */ 13.91 - for ( i = 0; i < xdi->count; i++ ) 13.92 - { 13.93 - disk = xdi->disks[i].device & XENDEV_IDX_MASK; 13.94 - minor = (disk-base) << XLIDE_PARTN_SHIFT; 13.95 - 13.96 - if ( !IS_IDE_XENDEV(xdi->disks[i].device) || 13.97 - (disk < base) || (disk >= (base + XLIDE_DEVS_PER_MAJOR)) ) 13.98 - continue; 13.99 - 13.100 - ((xl_disk_t *)gd->real_devices)[disk].capacity = 13.101 - xdi->disks[i].capacity; 13.102 - 13.103 - switch (xdi->disks[i].type) 13.104 - { 13.105 - case XD_TYPE_CDROM: 13.106 - set_device_ro(MKDEV(major, minor), 1); 13.107 - 13.108 - case XD_TYPE_FLOPPY: 13.109 - case XD_TYPE_TAPE: 13.110 - gd->flags[disk] = GENHD_FL_REMOVABLE; 13.111 - printk(KERN_ALERT "Skipping partition check on %s /dev/%s\n", 13.112 - xdi->disks[i].type==XD_TYPE_CDROM ? "cdrom" : 13.113 - (xdi->disks[i].type==XD_TYPE_TAPE ? "tape" : "floppy"), 13.114 - disk_name(gd, minor, buf)); 13.115 - break; 13.116 - 13.117 - case XD_TYPE_DISK: 13.118 - register_disk(gd, 13.119 - MKDEV(major, minor), 13.120 - 1<<XLIDE_PARTN_SHIFT, 13.121 - &xlide_block_fops, xdi->disks[i].capacity); 13.122 - break; 13.123 - 13.124 - default: 13.125 - printk(KERN_ALERT "XenoLinux: unknown ide device type %d\n", 13.126 - xdi->disks[i].type); 13.127 - break; 13.128 - } 13.129 - } 13.130 - 13.131 - return gd; 13.132 -} 13.133 - 13.134 - 13.135 -int xlide_init(xen_disk_info_t *xdi) 13.136 -{ 13.137 - int i, units; 13.138 - 13.139 - /* If we don't have any usable IDE devices we may as well bail now. */ 13.140 - units = 0; 13.141 - for ( i = 0; i < xdi->count; i++ ) 13.142 - if ( IS_IDE_XENDEV(xdi->disks[i].device) && 13.143 - ((xdi->disks[i].device & XENDEV_IDX_MASK) < 13.144 - (XLIDE_NR_MAJORS*XLIDE_DEVS_PER_MAJOR)) ) 13.145 - units++; 13.146 - if ( units == 0 ) return 0; 13.147 - 13.148 - SET_MODULE_OWNER(&xlide_block_fops); 13.149 - 13.150 - if ( get_major(XLIDE_MAJOR_0) < 0 ) 13.151 - return 0; 13.152 - if ( get_major(XLIDE_MAJOR_1) < 0 ) 13.153 - { 13.154 - (void)unregister_blkdev(XLIDE_MAJOR_0, XLIDE_MAJOR_NAME); 13.155 - return 0; 13.156 - } 13.157 - 13.158 - /* Initialize global arrays. */ 13.159 - for ( i = 0; i < XLIDE_MAX; i++ ) 13.160 - { 13.161 - xlide_blksize_size[i] = 512; 13.162 - xlide_hardsect_size[i] = 512; 13.163 - xlide_max_sectors[i] = 128; 13.164 - } 13.165 - 13.166 - setup_major(&xlide_gendisk[0], xdi, 0*XLIDE_DEVS_PER_MAJOR, XLIDE_MAJOR_0); 13.167 - setup_major(&xlide_gendisk[1], xdi, 1*XLIDE_DEVS_PER_MAJOR, XLIDE_MAJOR_1); 13.168 - 13.169 - return 0; 13.170 -} 13.171 - 13.172 - 13.173 -static void cleanup_major(int major) 13.174 -{ 13.175 - blk_cleanup_queue(BLK_DEFAULT_QUEUE(major)); 13.176 - 13.177 - read_ahead[major] = 0; 13.178 - 13.179 - if ( blksize_size[major] != NULL ) 13.180 - { 13.181 - kfree(blksize_size[major]); 13.182 - blksize_size[major] = NULL; 13.183 - } 13.184 - 13.185 - if ( hardsect_size[major] != NULL ) 13.186 - { 13.187 - kfree(hardsect_size[major]); 13.188 - hardsect_size[major] = NULL; 13.189 - } 13.190 - 13.191 - if ( max_sectors[major] != NULL ) 13.192 - { 13.193 - kfree(max_sectors[major]); 13.194 - max_sectors[major] = NULL; 13.195 - } 13.196 - 13.197 - (void)unregister_blkdev(major, XLIDE_MAJOR_NAME); 13.198 -} 13.199 - 13.200 -void xlide_cleanup(void) 13.201 -{ 13.202 - if ( xlide_gendisk[0] == NULL ) return; 13.203 - xlide_gendisk[0] = NULL; 13.204 - cleanup_major(XLIDE_MAJOR_0); 13.205 - cleanup_major(XLIDE_MAJOR_1); 13.206 -} 13.207 -
14.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_scsi.c Tue Jun 24 12:05:12 2003 +0000 14.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 14.3 @@ -1,168 +0,0 @@ 14.4 -/****************************************************************************** 14.5 - * xl_scsi.c 14.6 - * 14.7 - * Xenolinux virtual SCSI block-device driver. 14.8 - */ 14.9 - 14.10 -#include "xl_block.h" 14.11 - 14.12 -#define MAJOR_NR XLSCSI_MAJOR 14.13 -#include <linux/blk.h> 14.14 - 14.15 -#define XLSCSI_MAX 256 14.16 -#define XLSCSI_MAJOR_NAME "sd" 14.17 -static int xlscsi_blksize_size[XLSCSI_MAX]; 14.18 -static int xlscsi_hardsect_size[XLSCSI_MAX]; 14.19 -static int xlscsi_max_sectors[XLSCSI_MAX]; 14.20 - 14.21 -struct gendisk *xlscsi_gendisk = NULL; 14.22 - 14.23 -static struct block_device_operations xlscsi_block_fops = 14.24 -{ 14.25 - open: xenolinux_block_open, 14.26 - release: xenolinux_block_release, 14.27 - ioctl: xenolinux_block_ioctl, 14.28 - check_media_change: xenolinux_block_check, 14.29 - revalidate: xenolinux_block_revalidate, 14.30 -}; 14.31 - 14.32 - 14.33 -/* tiny inteface fn */ 14.34 -int xlscsi_hwsect(int minor) 14.35 -{ 14.36 - return xlscsi_hardsect_size[minor]; 14.37 -} 14.38 - 14.39 - 14.40 -int xlscsi_init(xen_disk_info_t *xdi) 14.41 -{ 14.42 - int i, result, units, minors, disk; 14.43 - struct gendisk *gd; 14.44 - 14.45 - /* If we don't have any usable SCSI devices we may as well bail now. */ 14.46 - units = 0; 14.47 - for ( i = 0; i < xdi->count; i++ ) 14.48 - if ( IS_SCSI_XENDEV(xdi->disks[i].device) && 14.49 - ((xdi->disks[i].device & XENDEV_IDX_MASK) < 14.50 - XLSCSI_DEVS_PER_MAJOR) ) 14.51 - units++; 14.52 - if ( units == 0 ) return 0; 14.53 - 14.54 - SET_MODULE_OWNER(&xlscsi_block_fops); 14.55 - 14.56 - result = register_blkdev(XLSCSI_MAJOR, XLSCSI_MAJOR_NAME, 14.57 - &xlscsi_block_fops); 14.58 - if ( result < 0 ) 14.59 - { 14.60 - printk (KERN_ALERT "XL SCSI: can't get major %d\n", XLSCSI_MAJOR); 14.61 - return result; 14.62 - } 14.63 - 14.64 - /* Initialize global arrays. */ 14.65 - for ( i = 0; i < XLSCSI_MAX; i++ ) 14.66 - { 14.67 - xlscsi_blksize_size[i] = 1024; //XXX 512; 14.68 - xlscsi_hardsect_size[i] = 512; 14.69 - xlscsi_max_sectors[i] = 128*8; //XXX 128 14.70 - } 14.71 - 14.72 - blk_size[XLSCSI_MAJOR] = NULL; 14.73 - blksize_size[XLSCSI_MAJOR] = xlscsi_blksize_size; 14.74 - hardsect_size[XLSCSI_MAJOR] = xlscsi_hardsect_size; 14.75 - max_sectors[XLSCSI_MAJOR] = xlscsi_max_sectors; 14.76 - read_ahead[XLSCSI_MAJOR] = NULL; //XXX8; 14.77 - 14.78 - blk_init_queue(BLK_DEFAULT_QUEUE(XLSCSI_MAJOR), do_xlblk_request); 14.79 - 14.80 - /* 14.81 - * Turn off barking 'headactive' mode. We dequeue buffer heads as 14.82 - * soon as we pass them down to Xen. 14.83 - */ 14.84 - blk_queue_headactive(BLK_DEFAULT_QUEUE(XLSCSI_MAJOR), 0); 14.85 - 14.86 - units = XLSCSI_MAX >> XLSCSI_PARTN_SHIFT; 14.87 - 14.88 - /* Construct an appropriate gendisk structure. */ 14.89 - minors = units * (1<<XLSCSI_PARTN_SHIFT); 14.90 - gd = kmalloc(sizeof(struct gendisk), GFP_KERNEL); 14.91 - gd->sizes = kmalloc(minors * sizeof(int), GFP_KERNEL); 14.92 - gd->part = kmalloc(minors * sizeof(struct hd_struct), GFP_KERNEL); 14.93 - gd->major = XLSCSI_MAJOR; 14.94 - gd->major_name = XLSCSI_MAJOR_NAME; 14.95 - gd->minor_shift = XLSCSI_PARTN_SHIFT; 14.96 - gd->max_p = 1<<XLSCSI_PARTN_SHIFT; 14.97 - gd->nr_real = units; 14.98 - gd->real_devices = kmalloc(units * sizeof(xl_disk_t), GFP_KERNEL); 14.99 - gd->next = NULL; 14.100 - gd->fops = &xlscsi_block_fops; 14.101 - gd->de_arr = kmalloc(sizeof(*gd->de_arr) * units, GFP_KERNEL); 14.102 - gd->flags = kmalloc(sizeof(*gd->flags) * units, GFP_KERNEL); 14.103 - memset(gd->sizes, 0, minors * sizeof(int)); 14.104 - memset(gd->part, 0, minors * sizeof(struct hd_struct)); 14.105 - memset(gd->de_arr, 0, sizeof(*gd->de_arr) * units); 14.106 - memset(gd->flags, 0, sizeof(*gd->flags) * units); 14.107 - memset(gd->real_devices, 0, sizeof(xl_disk_t) * units); 14.108 - xlscsi_gendisk = gd; 14.109 - add_gendisk(gd); 14.110 - 14.111 - /* Now register each disk in turn. */ 14.112 - for ( i = 0; i < xdi->count; i++ ) 14.113 - { 14.114 - disk = xdi->disks[i].device & XENDEV_IDX_MASK; 14.115 - 14.116 - if ( !IS_SCSI_XENDEV(xdi->disks[i].device) || 14.117 - (disk >= XLSCSI_DEVS_PER_MAJOR) ) 14.118 - continue; 14.119 - 14.120 - ((xl_disk_t *)gd->real_devices)[disk].capacity = 14.121 - xdi->disks[i].capacity; 14.122 - register_disk(gd, 14.123 - MKDEV(XLSCSI_MAJOR, disk<<XLSCSI_PARTN_SHIFT), 14.124 - 1<<XLSCSI_PARTN_SHIFT, 14.125 - &xlscsi_block_fops, 14.126 - xdi->disks[i].capacity); 14.127 - } 14.128 - 14.129 - printk(KERN_ALERT 14.130 - "XenoLinux Virtual SCSI Device Driver installed [device: %d]\n", 14.131 - XLSCSI_MAJOR); 14.132 - 14.133 - return 0; 14.134 -} 14.135 - 14.136 - 14.137 -void xlscsi_cleanup(void) 14.138 -{ 14.139 - if ( xlscsi_gendisk == NULL ) return; 14.140 - 14.141 - blk_cleanup_queue(BLK_DEFAULT_QUEUE(XLSCSI_MAJOR)); 14.142 - 14.143 - xlscsi_gendisk = NULL; 14.144 - 14.145 - read_ahead[XLSCSI_MAJOR] = 0; 14.146 - 14.147 - if ( blksize_size[XLSCSI_MAJOR] != NULL ) 14.148 - { 14.149 - kfree(blksize_size[XLSCSI_MAJOR]); 14.150 - blksize_size[XLSCSI_MAJOR] = NULL; 14.151 - } 14.152 - 14.153 - if ( hardsect_size[XLSCSI_MAJOR] != NULL ) 14.154 - { 14.155 - kfree(hardsect_size[XLSCSI_MAJOR]); 14.156 - hardsect_size[XLSCSI_MAJOR] = NULL; 14.157 - } 14.158 - 14.159 - if ( max_sectors[XLSCSI_MAJOR] != NULL ) 14.160 - { 14.161 - kfree(max_sectors[XLSCSI_MAJOR]); 14.162 - max_sectors[XLSCSI_MAJOR] = NULL; 14.163 - } 14.164 - 14.165 - if ( unregister_blkdev(XLSCSI_MAJOR, XLSCSI_MAJOR_NAME) != 0 ) 14.166 - { 14.167 - printk(KERN_ALERT 14.168 - "XenoLinux Virtual SCSI Device Driver uninstalled w/ errs\n"); 14.169 - } 14.170 -} 14.171 -
15.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment.c Tue Jun 24 12:05:12 2003 +0000 15.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 15.3 @@ -1,182 +0,0 @@ 15.4 -/****************************************************************************** 15.5 - * xl_segment.c 15.6 - * 15.7 - * Xenolinux virtual block-device driver (xvd). 15.8 - * 15.9 - */ 15.10 - 15.11 -#include "xl_block.h" 15.12 - 15.13 -#define MAJOR_NR XLVIRT_MAJOR 15.14 -#include <linux/blk.h> 15.15 - 15.16 -/* Copied from linux/ide.h */ 15.17 -typedef unsigned char byte; 15.18 - 15.19 -#define XLVIRT_MAX 256 15.20 -#define XLVIRT_MAJOR_NAME "xvd" 15.21 -static int xlseg_blksize_size[XLVIRT_MAX]; 15.22 -static int xlseg_hardsect_size[XLVIRT_MAX]; 15.23 -static int xlseg_max_sectors[XLVIRT_MAX]; 15.24 - 15.25 -struct gendisk *xlsegment_gendisk = NULL; 15.26 - 15.27 -static xen_disk_info_t xlseg_disk_info; 15.28 - 15.29 -static struct block_device_operations xlsegment_block_fops = 15.30 -{ 15.31 - open: xenolinux_block_open, 15.32 - release: xenolinux_block_release, 15.33 - ioctl: xenolinux_block_ioctl, 15.34 - check_media_change: xenolinux_block_check, 15.35 - revalidate: xenolinux_block_revalidate, 15.36 -}; 15.37 - 15.38 - 15.39 -int xlsegment_hwsect(int minor) 15.40 -{ 15.41 - return xlseg_hardsect_size[minor]; 15.42 -} 15.43 - 15.44 - 15.45 -int __init xlseg_init(void) 15.46 -{ 15.47 - int i, result, units, minors, disk; 15.48 - xen_disk_info_t *xdi = &xlseg_disk_info; 15.49 - struct gendisk *gd; 15.50 - 15.51 - SET_MODULE_OWNER(&xlsegment_block_fops); 15.52 - 15.53 - /* Probe for disk information. */ 15.54 - memset(xdi, 0, sizeof(*xdi)); 15.55 - xenolinux_control_msg(XEN_BLOCK_PROBE_SEG, (char *)xdi, sizeof(*xdi)); 15.56 - 15.57 - DPRINTK("xvd block device probe:\n"); 15.58 - for ( i = 0; i < xdi->count; i++ ) 15.59 - { 15.60 - DPRINTK(" %2d: device: %d, capacity: %ld\n", 15.61 - i, xdi->disks[i].device, xdi->disks[i].capacity); 15.62 - } 15.63 - 15.64 - result = register_blkdev(XLVIRT_MAJOR, XLVIRT_MAJOR_NAME, 15.65 - &xlsegment_block_fops); 15.66 - if ( result < 0 ) 15.67 - { 15.68 - printk(KERN_ALERT "XL Segment: can't get major %d\n", XLVIRT_MAJOR); 15.69 - return result; 15.70 - } 15.71 - 15.72 - /* Initialize global arrays. */ 15.73 - for (i = 0; i < XLVIRT_MAX; i++) 15.74 - { 15.75 - xlseg_blksize_size[i] = 512; 15.76 - xlseg_hardsect_size[i] = 512; 15.77 - xlseg_max_sectors[i] = 128; 15.78 - } 15.79 - 15.80 - blk_size[XLVIRT_MAJOR] = NULL; 15.81 - blksize_size[XLVIRT_MAJOR] = xlseg_blksize_size; 15.82 - hardsect_size[XLVIRT_MAJOR] = xlseg_hardsect_size; 15.83 - max_sectors[XLVIRT_MAJOR] = xlseg_max_sectors; 15.84 - read_ahead[XLVIRT_MAJOR] = 8; 15.85 - 15.86 - blk_init_queue(BLK_DEFAULT_QUEUE(XLVIRT_MAJOR), do_xlblk_request); 15.87 - 15.88 - /* 15.89 - * Turn off barking 'headactive' mode. We dequeue buffer heads as 15.90 - * soon as we pass them down to Xen. 15.91 - */ 15.92 - blk_queue_headactive(BLK_DEFAULT_QUEUE(XLVIRT_MAJOR), 0); 15.93 - 15.94 - units = XLVIRT_MAX >> XLVIRT_PARTN_SHIFT; 15.95 - 15.96 - /* Construct an appropriate gendisk structure. */ 15.97 - minors = units * (1<<XLVIRT_PARTN_SHIFT); 15.98 - gd = kmalloc(sizeof(struct gendisk), GFP_KERNEL); 15.99 - gd->sizes = kmalloc(minors * sizeof(int), GFP_KERNEL); 15.100 - gd->part = kmalloc(minors * sizeof(struct hd_struct), GFP_KERNEL); 15.101 - gd->major = XLVIRT_MAJOR; 15.102 - gd->major_name = XLVIRT_MAJOR_NAME; 15.103 - gd->minor_shift = XLVIRT_PARTN_SHIFT; 15.104 - gd->max_p = 1<<XLVIRT_PARTN_SHIFT; 15.105 - gd->nr_real = units; 15.106 - gd->real_devices = kmalloc(units * sizeof(xl_disk_t), GFP_KERNEL); 15.107 - gd->next = NULL; 15.108 - gd->fops = &xlsegment_block_fops; 15.109 - gd->de_arr = kmalloc(sizeof(*gd->de_arr) * units, GFP_KERNEL); 15.110 - gd->flags = kmalloc(sizeof(*gd->flags) * units, GFP_KERNEL); 15.111 - memset(gd->sizes, 0, minors * sizeof(int)); 15.112 - memset(gd->part, 0, minors * sizeof(struct hd_struct)); 15.113 - memset(gd->de_arr, 0, sizeof(*gd->de_arr) * units); 15.114 - memset(gd->flags, 0, sizeof(*gd->flags) * units); 15.115 - memset(gd->real_devices, 0, sizeof(xl_disk_t) * units); 15.116 - xlsegment_gendisk = gd; 15.117 - add_gendisk(gd); 15.118 - 15.119 - /* Now register each disk in turn. */ 15.120 - for ( i = 0; i < xdi->count; i++ ) 15.121 - { 15.122 - disk = xdi->disks[i].device & XENDEV_IDX_MASK; 15.123 - 15.124 - if ( !IS_VIRTUAL_XENDEV(xdi->disks[i].device) || 15.125 - (disk >= XLVIRT_DEVS_PER_MAJOR) ) 15.126 - continue; 15.127 - 15.128 - ((xl_disk_t *)gd->real_devices)[disk].capacity = 15.129 - xdi->disks[i].capacity; 15.130 - register_disk(gd, 15.131 - MKDEV(XLVIRT_MAJOR, disk<<XLVIRT_PARTN_SHIFT), 15.132 - 1<<XLVIRT_PARTN_SHIFT, 15.133 - &xlsegment_block_fops, 15.134 - xdi->disks[i].capacity); 15.135 - } 15.136 - 15.137 - printk(KERN_ALERT 15.138 - "XenoLinux Virtual Segment Device Driver installed [device: %d]\n", 15.139 - XLVIRT_MAJOR); 15.140 - 15.141 - return 0; 15.142 -} 15.143 - 15.144 - 15.145 -static void __exit xlseg_cleanup(void) 15.146 -{ 15.147 - if ( xlsegment_gendisk == NULL ) return; 15.148 - 15.149 - blk_cleanup_queue(BLK_DEFAULT_QUEUE(XLVIRT_MAJOR)); 15.150 - 15.151 - xlsegment_gendisk = NULL; 15.152 - 15.153 - read_ahead[XLVIRT_MAJOR] = 0; 15.154 - 15.155 - if ( blksize_size[XLVIRT_MAJOR] != NULL ) 15.156 - { 15.157 - kfree(blksize_size[XLVIRT_MAJOR]); 15.158 - blksize_size[XLVIRT_MAJOR] = NULL; 15.159 - } 15.160 - 15.161 - if ( hardsect_size[XLVIRT_MAJOR] != NULL ) 15.162 - { 15.163 - kfree(hardsect_size[XLVIRT_MAJOR]); 15.164 - hardsect_size[XLVIRT_MAJOR] = NULL; 15.165 - } 15.166 - 15.167 - if ( max_sectors[XLVIRT_MAJOR] != NULL ) 15.168 - { 15.169 - kfree(max_sectors[XLVIRT_MAJOR]); 15.170 - max_sectors[XLVIRT_MAJOR] = NULL; 15.171 - } 15.172 - 15.173 - if ( unregister_blkdev(XLVIRT_MAJOR, XLVIRT_MAJOR_NAME) != 0 ) 15.174 - { 15.175 - printk(KERN_ALERT 15.176 - "XenoLinux Virtual Segment Device Driver" 15.177 - " uninstalled w/ errs\n"); 15.178 - } 15.179 -} 15.180 - 15.181 - 15.182 -#ifdef MODULE 15.183 -module_init(xlseg_init); 15.184 -module_exit(xlseg_cleanup); 15.185 -#endif
16.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/block/xl_segment_proc.c Tue Jun 24 12:05:12 2003 +0000 16.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 16.3 @@ -1,244 +0,0 @@ 16.4 -/* 16.5 - * xl_segment_proc.c 16.6 - * 16.7 - * XenoLinux virtual disk proc interface . 16.8 - */ 16.9 - 16.10 -#include "xl_block.h" 16.11 -#include <linux/proc_fs.h> 16.12 -#include <linux/delay.h> 16.13 - 16.14 -static struct proc_dir_entry *vhd; 16.15 - 16.16 -static int proc_read_vhd(char *page, char **start, off_t off, 16.17 - int count, int *eof, void *data) 16.18 -{ 16.19 - return 0; 16.20 -} 16.21 - 16.22 -#define isdelim(c) \ 16.23 - (c==' '||c==','||c=='\n'||c=='\r'||c=='\t'||c==':'||c=='('||c==')' ? 1 : 0) 16.24 - 16.25 -char *get_string(char *string) /* a bit like strtok */ 16.26 -{ 16.27 - static char *temp; 16.28 - int loop = 0; 16.29 - 16.30 - if (string != NULL) 16.31 - temp = string; 16.32 - else 16.33 - string = temp; 16.34 - 16.35 - try_again: 16.36 - 16.37 - while (!isdelim(string[loop])) 16.38 - { 16.39 - if (string[loop] == '\0') 16.40 - return NULL; 16.41 - loop++; 16.42 - } 16.43 - 16.44 - string[loop] = '\0'; 16.45 - temp = (string + loop + 1); 16.46 - 16.47 - if (loop == 0) 16.48 - { 16.49 - string = temp; 16.50 - goto try_again; 16.51 - } 16.52 - 16.53 - return string; 16.54 -} 16.55 - 16.56 - 16.57 -#define isdigit(c) (c >= '0' && c <= '9' ? 1 : 0) 16.58 -unsigned long to_number(char *string) /* atoi */ 16.59 -{ 16.60 - unsigned long value = 0; 16.61 - 16.62 - if (string == NULL) return 0; 16.63 - 16.64 - while (!isdigit(*string) && *string != '\0') string++; 16.65 - 16.66 - while (isdigit(*string)) 16.67 - { 16.68 - value = value * 10 + (*string - '0'); 16.69 - string++; 16.70 - } 16.71 - 16.72 - return value; 16.73 -} 16.74 - 16.75 -static int proc_write_vhd(struct file *file, const char *buffer, 16.76 - unsigned long count, void *data) 16.77 -{ 16.78 - char *local = kmalloc((count + 1) * sizeof(char), GFP_KERNEL); 16.79 - char *string; 16.80 - int loop; 16.81 - xv_disk_t xvd; 16.82 - 16.83 - memset (&xvd, 0, sizeof(xvd)); 16.84 - 16.85 - if (copy_from_user(local, buffer, count)) 16.86 - { 16.87 - return -EFAULT; 16.88 - } 16.89 - local[count] = '\0'; 16.90 - 16.91 - string = get_string(local); /* domain specifier */ 16.92 - if (string == NULL) 16.93 - { 16.94 - return count; 16.95 - } 16.96 - if (*string != 'd' && *string != 'D') 16.97 - { 16.98 - printk (KERN_ALERT 16.99 - "error: domain specifier missing [%s]. should be \"domain\".\n", 16.100 - string); 16.101 - return count; 16.102 - } 16.103 - 16.104 - string = get_string(NULL); /* domain number */ 16.105 - if (string == NULL) 16.106 - { 16.107 - printk (KERN_ALERT "error: domain number missing\n"); 16.108 - return count; 16.109 - } 16.110 - xvd.domain = (int) to_number(string); 16.111 - 16.112 - string = get_string(NULL); 16.113 - if (string && (strcmp(string, "RO") == 0 || strcmp(string, "ro") == 0)) 16.114 - { 16.115 - xvd.mode = XEN_DISK_READ_ONLY; 16.116 - } 16.117 - else if (string && (strcmp(string, "RW") == 0 || strcmp(string, "rw") == 0)) 16.118 - { 16.119 - xvd.mode = XEN_DISK_READ_WRITE; 16.120 - } 16.121 - else 16.122 - { 16.123 - printk (KERN_ALERT 16.124 - "error: bad mode [%s]. should be \"rw\" or \"ro\".\n", 16.125 - string); 16.126 - return count; 16.127 - } 16.128 - 16.129 - string = get_string(NULL); /* look for Segment */ 16.130 - if (string == NULL || (*string != 's' && *string != 'S')) 16.131 - { 16.132 - printk (KERN_ALERT 16.133 - "error: segment specifier missing [%s]. should be \"segment\".\n", 16.134 - string); 16.135 - return count; 16.136 - } 16.137 - 16.138 - string = get_string(NULL); /* segment number */ 16.139 - if (string == NULL) 16.140 - { 16.141 - printk (KERN_ALERT "error: segment number missing\n"); 16.142 - return count; 16.143 - } 16.144 - xvd.segment = (int) to_number(string); 16.145 - 16.146 - string = get_string(NULL); /* look for Extents */ 16.147 - if (string == NULL || (*string != 'e' && *string != 'E')) 16.148 - { 16.149 - printk (KERN_ALERT 16.150 - "error: extents specifier missing [%s]. should be \"extents\".\n", 16.151 - string); 16.152 - return count; 16.153 - } 16.154 - 16.155 - string = get_string(NULL); /* number of extents */ 16.156 - if (string == NULL) 16.157 - { 16.158 - printk (KERN_ALERT "error: number of extents missing\n"); 16.159 - return count; 16.160 - } 16.161 - xvd.ext_count = (int) to_number(string); 16.162 - 16.163 - /* ignore parenthesis */ 16.164 - 16.165 - for (loop = 0; loop < xvd.ext_count; loop++) 16.166 - { 16.167 - string = get_string(NULL); /* look for Disk */ 16.168 - if (string == NULL || (*string != 'd' && *string != 'D')) 16.169 - { 16.170 - printk (KERN_ALERT 16.171 - "hmm, extent disk specifier missing [%s]. should be \"disk\".\n", 16.172 - string); 16.173 - return count; 16.174 - } 16.175 - string = get_string(NULL); /* disk number */ 16.176 - if (string == NULL) 16.177 - { 16.178 - printk (KERN_ALERT "error: disk number missing\n"); 16.179 - return count; 16.180 - } 16.181 - xvd.extents[loop].disk = xldev_to_physdev((int) to_number(string)); 16.182 - 16.183 - string = get_string(NULL); /* look for Offset */ 16.184 - if (string == NULL || (*string != 'o' && *string != 'O')) 16.185 - { 16.186 - printk (KERN_ALERT 16.187 - "error: disk offset missing [%s]. should be \"offset\".\n", 16.188 - string); 16.189 - return count; 16.190 - } 16.191 - string = get_string(NULL); /* offset */ 16.192 - if (string == NULL) 16.193 - { 16.194 - printk (KERN_ALERT "error: offset missing\n"); 16.195 - return count; 16.196 - } 16.197 - xvd.extents[loop].offset = to_number(string); 16.198 - 16.199 - string = get_string(NULL); /* look for Size */ 16.200 - if (string == NULL || (*string != 's' && *string != 'S')) 16.201 - { 16.202 - printk (KERN_ALERT 16.203 - "error: extent size missing [%s]. should be \"size\".\n", 16.204 - string); 16.205 - return count; 16.206 - } 16.207 - string = get_string(NULL); /* size */ 16.208 - if (string == NULL) 16.209 - { 16.210 - printk (KERN_ALERT "error: extent size missing\n"); 16.211 - return count; 16.212 - } 16.213 - xvd.extents[loop].size = to_number(string); 16.214 - } 16.215 - 16.216 - xenolinux_control_msg(XEN_BLOCK_SEG_CREATE, (char *)&xvd, sizeof(xvd)); 16.217 - 16.218 - return count; 16.219 -} 16.220 - 16.221 -/******************************************************************/ 16.222 - 16.223 -int __init xlseg_proc_init(void) 16.224 -{ 16.225 - vhd = create_proc_entry("xeno/dom0/vhd", 0644, NULL); 16.226 - if (vhd == NULL) 16.227 - { 16.228 - panic ("xlseg_init: unable to create vhd proc entry\n"); 16.229 - } 16.230 - vhd->data = NULL; 16.231 - vhd->read_proc = proc_read_vhd; 16.232 - vhd->write_proc = proc_write_vhd; 16.233 - vhd->owner = THIS_MODULE; 16.234 - 16.235 - printk(KERN_ALERT "XenoLinux Virtual Disk Device Monitor installed\n"); 16.236 - return 0; 16.237 -} 16.238 - 16.239 -static void __exit xlseg_proc_cleanup(void) 16.240 -{ 16.241 - printk(KERN_ALERT "XenoLinux Virtual Disk Device Monitor uninstalled\n"); 16.242 -} 16.243 - 16.244 -#ifdef MODULE 16.245 -module_init(xlseg_proc_init); 16.246 -module_exit(xlseg_proc_cleanup); 16.247 -#endif
17.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/Makefile Tue Jun 24 12:05:12 2003 +0000 17.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 17.3 @@ -1,3 +0,0 @@ 17.4 -O_TARGET := con.o 17.5 -obj-$(CONFIG_XEN_CONSOLE) := console.o 17.6 -include $(TOPDIR)/Rules.make
18.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/console/console.c Tue Jun 24 12:05:12 2003 +0000 18.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 18.3 @@ -1,206 +0,0 @@ 18.4 -/****************************************************************************** 18.5 - * console.c 18.6 - */ 18.7 - 18.8 -#include <linux/config.h> 18.9 -#include <linux/module.h> 18.10 -#include <linux/errno.h> 18.11 -#include <linux/signal.h> 18.12 -#include <linux/sched.h> 18.13 -#include <linux/interrupt.h> 18.14 -#include <linux/tty.h> 18.15 -#include <linux/tty_flip.h> 18.16 -#include <linux/serial.h> 18.17 -#include <linux/major.h> 18.18 -#include <linux/ptrace.h> 18.19 -#include <linux/ioport.h> 18.20 -#include <linux/mm.h> 18.21 -#include <linux/slab.h> 18.22 -#include <linux/init.h> 18.23 -#include <linux/console.h> 18.24 - 18.25 -#include <asm/io.h> 18.26 -#include <asm/irq.h> 18.27 -#include <asm/uaccess.h> 18.28 -#include <asm/hypervisor.h> 18.29 - 18.30 -#define XENO_TTY_MINOR 123 18.31 - 18.32 -/******************** Kernel console driver ********************************/ 18.33 - 18.34 -static void xen_console_write(struct console *co, const char *s, unsigned count) 18.35 -{ 18.36 -#define STRLEN 256 18.37 - static char str[STRLEN]; 18.38 - static int pos = 0; 18.39 - int len; 18.40 - 18.41 - /* We buffer output until we see a newline, or until the buffer is full. */ 18.42 - while ( count != 0 ) 18.43 - { 18.44 - len = ((STRLEN - pos) > count) ? count : STRLEN - pos; 18.45 - memcpy(str + pos, s, len); 18.46 - pos += len; 18.47 - s += len; 18.48 - count -= len; 18.49 - if ( (pos == STRLEN) || (str[pos-1] == '\n') ) 18.50 - { 18.51 - (void)HYPERVISOR_console_write(str, pos); 18.52 - pos = 0; 18.53 - } 18.54 - } 18.55 -} 18.56 - 18.57 -static kdev_t xen_console_device(struct console *c) 18.58 -{ 18.59 - /* 18.60 - * This is the magic that binds our "struct console" to our 18.61 - * "tty_struct", defined below. 18.62 - */ 18.63 - return MKDEV(TTY_MAJOR, XENO_TTY_MINOR); 18.64 -} 18.65 - 18.66 -static struct console xen_console_info = { 18.67 - name: "xen_console", 18.68 - write: xen_console_write, 18.69 - device: xen_console_device, 18.70 - flags: CON_PRINTBUFFER, 18.71 - index: -1, 18.72 -}; 18.73 - 18.74 -void xen_console_init(void) 18.75 -{ 18.76 - register_console(&xen_console_info); 18.77 -} 18.78 - 18.79 - 18.80 -/******************** Initial /dev/console *********************************/ 18.81 - 18.82 - 18.83 -static struct tty_driver xeno_console_driver; 18.84 -static int xeno_console_refcount; 18.85 -static struct tty_struct *xeno_console_table[1]; 18.86 -static struct termios *xeno_console_termios[1]; 18.87 -static struct termios *xeno_console_termios_locked[1]; 18.88 - 18.89 -static int xeno_console_write_room(struct tty_struct *tty) 18.90 -{ 18.91 - return INT_MAX; 18.92 -} 18.93 - 18.94 -static int xeno_console_chars_in_buffer(struct tty_struct *tty) 18.95 -{ 18.96 - return 0; 18.97 -} 18.98 - 18.99 -static inline int xeno_console_xmit(int ch) 18.100 -{ 18.101 - char _ch = ch; 18.102 - xen_console_write(NULL, &_ch, 1); 18.103 - return 1; 18.104 -} 18.105 - 18.106 -static int xeno_console_write(struct tty_struct *tty, int from_user, 18.107 - const u_char * buf, int count) 18.108 -{ 18.109 - int i; 18.110 - 18.111 - if ( from_user && verify_area(VERIFY_READ, buf, count) ) 18.112 - { 18.113 - return -EINVAL; 18.114 - } 18.115 - 18.116 - for ( i = 0; i < count; i++ ) 18.117 - { 18.118 - char ch; 18.119 - if ( from_user ) 18.120 - { 18.121 - __get_user(ch, buf + i); 18.122 - } 18.123 - else 18.124 - { 18.125 - ch = buf[i]; 18.126 - } 18.127 - xeno_console_xmit(ch); 18.128 - } 18.129 - return i; 18.130 -} 18.131 - 18.132 -static void xeno_console_put_char(struct tty_struct *tty, u_char ch) 18.133 -{ 18.134 - xeno_console_xmit(ch); 18.135 -} 18.136 - 18.137 -static int xeno_console_open(struct tty_struct *tty, struct file *filp) 18.138 -{ 18.139 - int line; 18.140 - 18.141 - MOD_INC_USE_COUNT; 18.142 - line = MINOR(tty->device) - tty->driver.minor_start; 18.143 - if ( line ) 18.144 - { 18.145 - MOD_DEC_USE_COUNT; 18.146 - return -ENODEV; 18.147 - } 18.148 - 18.149 - tty->driver_data = NULL; 18.150 - 18.151 - return 0; 18.152 -} 18.153 - 18.154 -static void xeno_console_close(struct tty_struct *tty, struct file *filp) 18.155 -{ 18.156 - MOD_DEC_USE_COUNT; 18.157 -} 18.158 - 18.159 -int __init xeno_con_init(void) 18.160 -{ 18.161 - memset(&xeno_console_driver, 0, sizeof(struct tty_driver)); 18.162 - xeno_console_driver.magic = TTY_DRIVER_MAGIC; 18.163 - xeno_console_driver.driver_name = "xeno_console"; 18.164 - xeno_console_driver.name = "xencon"; 18.165 - xeno_console_driver.major = TTY_MAJOR; 18.166 - xeno_console_driver.minor_start = XENO_TTY_MINOR; 18.167 - xeno_console_driver.num = 1; 18.168 - xeno_console_driver.type = TTY_DRIVER_TYPE_SERIAL; 18.169 - xeno_console_driver.subtype = SERIAL_TYPE_NORMAL; 18.170 - xeno_console_driver.init_termios = tty_std_termios; 18.171 - xeno_console_driver.flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS; 18.172 - xeno_console_driver.refcount = &xeno_console_refcount; 18.173 - xeno_console_driver.table = xeno_console_table; 18.174 - xeno_console_driver.termios = xeno_console_termios; 18.175 - xeno_console_driver.termios_locked = xeno_console_termios_locked; 18.176 - /* Functions */ 18.177 - xeno_console_driver.open = xeno_console_open; 18.178 - xeno_console_driver.close = xeno_console_close; 18.179 - xeno_console_driver.write = xeno_console_write; 18.180 - xeno_console_driver.write_room = xeno_console_write_room; 18.181 - xeno_console_driver.put_char = xeno_console_put_char; 18.182 - xeno_console_driver.chars_in_buffer = xeno_console_chars_in_buffer; 18.183 - 18.184 - if ( tty_register_driver(&xeno_console_driver) ) 18.185 - { 18.186 - printk(KERN_ERR "Couldn't register Xeno console driver\n"); 18.187 - } 18.188 - else 18.189 - { 18.190 - printk("Xeno console successfully installed\n"); 18.191 - } 18.192 - 18.193 - return 0; 18.194 -} 18.195 - 18.196 -void __exit xeno_con_fini(void) 18.197 -{ 18.198 - int ret; 18.199 - 18.200 - ret = tty_unregister_driver(&xeno_console_driver); 18.201 - if ( ret != 0 ) 18.202 - { 18.203 - printk(KERN_ERR "Unable to unregister Xeno console driver: %d\n", ret); 18.204 - } 18.205 -} 18.206 - 18.207 -module_init(xeno_con_init); 18.208 -module_exit(xeno_con_fini); 18.209 -
19.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/Makefile Tue Jun 24 12:05:12 2003 +0000 19.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 19.3 @@ -1,3 +0,0 @@ 19.4 -O_TARGET := dom0.o 19.5 -obj-y := dom0_memory.o dom0_core.o vfr.o sched_ops.o 19.6 -include $(TOPDIR)/Rules.make
20.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_block.c Tue Jun 24 12:05:12 2003 +0000 20.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 20.3 @@ -1,27 +0,0 @@ 20.4 -/* 20.5 - * domain 0 block driver interface 20.6 - * 20.7 - */ 20.8 - 20.9 -#include <linux/config.h> 20.10 -#include <linux/module.h> 20.11 -#include <linux/kernel.h> 20.12 -#include <linux/sched.h> 20.13 - 20.14 -static int __init init_module(void) 20.15 -{ 20.16 - request_module("xl_block"); 20.17 - printk("Successfully installed domain 0 block interface\n"); 20.18 - 20.19 - 20.20 - return 0; 20.21 -} 20.22 - 20.23 -static void __exit cleanup_module(void) 20.24 -{ 20.25 - printk("Successfully de-installed domain-0 block interface\n"); 20.26 - return 0; 20.27 -} 20.28 - 20.29 -module_init(init_module); 20.30 -module_exit(cleanup_module);
21.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_core.c Tue Jun 24 12:05:12 2003 +0000 21.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 21.3 @@ -1,522 +0,0 @@ 21.4 -/****************************************************************************** 21.5 - * dom0_core.c 21.6 - * 21.7 - * Interface to privileged domain-0 commands. 21.8 - * 21.9 - * Copyright (c) 2002, K A Fraser, B Dragovic 21.10 - */ 21.11 - 21.12 -#include <linux/config.h> 21.13 -#include <linux/module.h> 21.14 -#include <linux/kernel.h> 21.15 -#include <linux/sched.h> 21.16 -#include <linux/slab.h> 21.17 -#include <linux/string.h> 21.18 -#include <linux/errno.h> 21.19 -#include <linux/proc_fs.h> 21.20 - 21.21 -#include <linux/mm.h> 21.22 -#include <linux/mman.h> 21.23 -#include <linux/swap.h> 21.24 -#include <linux/smp_lock.h> 21.25 -#include <linux/swapctl.h> 21.26 -#include <linux/iobuf.h> 21.27 -#include <linux/highmem.h> 21.28 -#include <linux/pagemap.h> 21.29 -#include <linux/seq_file.h> 21.30 - 21.31 -#include <asm/pgalloc.h> 21.32 -#include <asm/pgtable.h> 21.33 -#include <asm/uaccess.h> 21.34 -#include <asm/tlb.h> 21.35 - 21.36 -#include "dom0_ops.h" 21.37 - 21.38 -#define TRUE 1 21.39 -#define FALSE 0 21.40 - 21.41 -/* Private proc-file data structures. */ 21.42 -typedef struct proc_data { 21.43 - unsigned int domain; 21.44 - unsigned long map_size; 21.45 -} dom_procdata_t; 21.46 - 21.47 -typedef struct proc_mem_data { 21.48 - unsigned long pfn; 21.49 - int tot_pages; 21.50 -} proc_memdata_t; 21.51 - 21.52 -#define XENO_BASE "xeno" 21.53 -#define DOM0_CMD_INTF "dom0_cmd" 21.54 -#define DOM0_NEWDOM "new_dom_data" 21.55 -#define DOM_LIST_INTF "domains" 21.56 - 21.57 -#define MAX_LEN 16 21.58 -#define DOM_DIR "dom" 21.59 -#define DOM_MEM "mem" 21.60 -#define DOM_VIF "vif" 21.61 -#define DOM_USAGE "usage" 21.62 - 21.63 -#define MAP_DISCONT 1 21.64 - 21.65 -struct proc_dir_entry *xeno_base; 21.66 -static struct proc_dir_entry *dom0_cmd_intf; 21.67 -static struct proc_dir_entry *proc_ft; 21.68 -static struct proc_dir_entry *dom_list_intf; 21.69 - 21.70 -unsigned long direct_mmap(unsigned long, unsigned long, pgprot_t, int, int); 21.71 -int direct_unmap(unsigned long, unsigned long); 21.72 -int direct_disc_unmap(unsigned long, unsigned long, int); 21.73 - 21.74 -static unsigned char readbuf[1204]; 21.75 - 21.76 -static int cmd_read_proc(char *page, char **start, off_t off, 21.77 - int count, int *eof, void *data) 21.78 -{ 21.79 - strcpy(page, readbuf); 21.80 - *readbuf = '\0'; 21.81 - *eof = 1; 21.82 - *start = page; 21.83 - return strlen(page); 21.84 -} 21.85 - 21.86 -static ssize_t dom_vif_read(struct file * file, char * buff, size_t size, loff_t * off) 21.87 -{ 21.88 - int hyp_buf[32]; 21.89 - char buf[128]; 21.90 - network_op_t op; 21.91 - static int finished = 0; 21.92 - 21.93 - if ( finished ) 21.94 - { 21.95 - finished = 0; 21.96 - return 0; 21.97 - } 21.98 - 21.99 - op.cmd = NETWORK_OP_VIFQUERY; 21.100 - op.u.vif_query.domain = (unsigned int) 21.101 - ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; 21.102 - op.u.vif_query.buf = hyp_buf; 21.103 - 21.104 - (void) HYPERVISOR_network_op(&op); 21.105 - 21.106 - if(hyp_buf[0] < 0) { 21.107 - strcpy(buf, "Error getting domain's vif list from hypervisor.\n"); 21.108 - } else { 21.109 - int i; 21.110 - int len = 0; 21.111 - strcpy(buf, "No vif found"); 21.112 - 21.113 - for(i = 1; i <= hyp_buf[0] && len < 127; i++) 21.114 - len += snprintf(buf + len, 127 - len, "%d\n", hyp_buf[i]); 21.115 - } 21.116 - 21.117 - if (*off >= (strlen(buf)+1)) return 0; 21.118 - 21.119 - copy_to_user(buff, buf, strlen(buf)); 21.120 - 21.121 - finished = 1; 21.122 - 21.123 - return strlen(buf)+1; 21.124 -} 21.125 - 21.126 -struct file_operations dom_vif_ops = { 21.127 - read: dom_vif_read 21.128 -}; 21.129 - 21.130 -static ssize_t dom_usage_read(struct file * file, char * buff, size_t size, loff_t * off) 21.131 -{ 21.132 - char str[256]; 21.133 - int vifs[32]; 21.134 - dom0_op_t op; 21.135 - network_op_t netop; 21.136 - int i, end; 21.137 - unsigned int domain; 21.138 - static int finished = 0; 21.139 - 21.140 - if ( finished ) 21.141 - { 21.142 - finished = 0; 21.143 - return 0; 21.144 - } 21.145 - 21.146 - domain = (unsigned int) 21.147 - ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; 21.148 - op.cmd = DOM0_GETDOMAININFO; 21.149 - 21.150 - op.u.getdominfo.domain = domain; 21.151 - 21.152 - (void) HYPERVISOR_dom0_op(&op); 21.153 - 21.154 - end = snprintf(str, 256, "cpu: %lld\n", op.u.getdominfo.cpu_time); 21.155 - 21.156 - netop.cmd = NETWORK_OP_VIFQUERY; 21.157 - netop.u.vif_query.domain = domain; 21.158 - netop.u.vif_query.buf = vifs; 21.159 - 21.160 - (void) HYPERVISOR_network_op(&netop); 21.161 - 21.162 - for(i = 1; i <= vifs[0]; i++) { 21.163 - netop.cmd = NETWORK_OP_VIFGETINFO; 21.164 - netop.u.vif_getinfo.domain = domain; 21.165 - netop.u.vif_getinfo.vif = vifs[i]; 21.166 - 21.167 - (void) HYPERVISOR_network_op(&netop); 21.168 - 21.169 - end += snprintf(str + end, 255 - end, 21.170 - "vif%d: sent %lld bytes (%lld packets) " 21.171 - "received %lld bytes (%lld packets)\n", 21.172 - vifs[i], 21.173 - netop.u.vif_getinfo.total_bytes_sent, 21.174 - netop.u.vif_getinfo.total_packets_sent, 21.175 - netop.u.vif_getinfo.total_bytes_received, 21.176 - netop.u.vif_getinfo.total_packets_received); 21.177 - } 21.178 - 21.179 - if (*off >= end + 1) return 0; 21.180 - 21.181 - copy_to_user(buff, str, end); 21.182 - 21.183 - finished = 1; 21.184 - 21.185 - return end + 1; 21.186 -} 21.187 - 21.188 -struct file_operations dom_usage_ops = { 21.189 - read: dom_usage_read 21.190 -}; 21.191 - 21.192 - 21.193 -static void create_proc_dom_entries(int dom) 21.194 -{ 21.195 - struct proc_dir_entry * dir; 21.196 - dom_procdata_t * dom_data; 21.197 - char dir_name[MAX_LEN]; 21.198 - struct proc_dir_entry * file; 21.199 - 21.200 - snprintf(dir_name, MAX_LEN, "%s%d", DOM_DIR, dom); 21.201 - 21.202 - dom_data = (dom_procdata_t *)kmalloc(sizeof(dom_procdata_t), GFP_KERNEL); 21.203 - dom_data->domain = dom; 21.204 - 21.205 - dir = proc_mkdir(dir_name, xeno_base); 21.206 - dir->data = dom_data; 21.207 - 21.208 - file = create_proc_entry(DOM_VIF, 0600, dir); 21.209 - if (file != NULL) 21.210 - { 21.211 - file->owner = THIS_MODULE; 21.212 - file->nlink = 1; 21.213 - file->proc_fops = &dom_vif_ops; 21.214 - file->data = (void *) dom; 21.215 - } 21.216 - 21.217 - file = create_proc_entry(DOM_USAGE, 0600, dir); 21.218 - if (file != NULL) 21.219 - { 21.220 - file->owner = THIS_MODULE; 21.221 - file->nlink = 1; 21.222 - file->proc_fops = &dom_usage_ops; 21.223 - file->data = (void *) dom; 21.224 - } 21.225 -} 21.226 - 21.227 -static ssize_t dom_mem_write(struct file * file, const char * buff, 21.228 - size_t size , loff_t * off) 21.229 -{ 21.230 - dom_mem_t mem_data; 21.231 - 21.232 - copy_from_user(&mem_data, (dom_mem_t *)buff, sizeof(dom_mem_t)); 21.233 - 21.234 - if(direct_disc_unmap(mem_data.vaddr, mem_data.start_pfn, 21.235 - mem_data.tot_pages) == 0){ 21.236 - return sizeof(sizeof(dom_mem_t)); 21.237 - } else { 21.238 - return -1; 21.239 - } 21.240 -} 21.241 - 21.242 -static ssize_t dom_mem_read(struct file * file, char * buff, size_t size, loff_t * off) 21.243 -{ 21.244 - unsigned long addr; 21.245 - pgprot_t prot; 21.246 - 21.247 - proc_memdata_t * mem_data = (proc_memdata_t *)((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; 21.248 - 21.249 - prot = PAGE_SHARED; 21.250 - 21.251 - /* remap the range using xen specific routines */ 21.252 - 21.253 - addr = direct_mmap(mem_data->pfn << PAGE_SHIFT, mem_data->tot_pages << PAGE_SHIFT, prot, MAP_DISCONT, mem_data->tot_pages); 21.254 - 21.255 - copy_to_user((unsigned long *)buff, &addr, sizeof(addr)); 21.256 - 21.257 - return sizeof(addr); 21.258 -} 21.259 - 21.260 -struct file_operations dom_mem_ops = { 21.261 - read: dom_mem_read, 21.262 - write: dom_mem_write, 21.263 -}; 21.264 - 21.265 -static int dom_map_mem(unsigned int dom, unsigned long pfn, int tot_pages) 21.266 -{ 21.267 - int ret = -ENOENT; 21.268 - struct proc_dir_entry * pd = xeno_base->subdir; 21.269 - struct proc_dir_entry * file; 21.270 - proc_memdata_t * memdata; 21.271 - 21.272 - while(pd != NULL){ 21.273 - 21.274 - if((pd->mode & S_IFDIR) && ((dom_procdata_t *)pd->data)->domain == dom){ 21.275 - 21.276 - /* check if there is already an entry for mem and if so 21.277 - * remove it. 21.278 - */ 21.279 - remove_proc_entry(DOM_MEM, pd); 21.280 - 21.281 - /* create new entry with parameters describing what to do 21.282 - * when it is mmaped. 21.283 - */ 21.284 - file = create_proc_entry(DOM_MEM, 0600, pd); 21.285 - if(file != NULL) 21.286 - { 21.287 - file->owner = THIS_MODULE; 21.288 - file->nlink = 1; 21.289 - file->proc_fops = &dom_mem_ops; 21.290 - 21.291 - memdata = (proc_memdata_t *)kmalloc(sizeof(proc_memdata_t), GFP_KERNEL); 21.292 - memdata->pfn = pfn; 21.293 - memdata->tot_pages = tot_pages; 21.294 - file->data = memdata; 21.295 - 21.296 - ret = 0; 21.297 - break; 21.298 - } 21.299 - 21.300 - ret = -EAGAIN; 21.301 - break; 21.302 - } 21.303 - pd = pd->next; 21.304 - } 21.305 - 21.306 - return ret; 21.307 -} 21.308 - 21.309 -/* function used to retrieve data associated with new domain */ 21.310 -static ssize_t dom_data_read(struct file * file, char * buff, size_t size, loff_t * off) 21.311 -{ 21.312 - dom0_newdomain_t * dom_data = (dom0_newdomain_t *) 21.313 - ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; 21.314 - 21.315 - copy_to_user((dom0_newdomain_t *)buff, dom_data, sizeof(dom0_newdomain_t)); 21.316 - 21.317 - remove_proc_entry(DOM0_NEWDOM, xeno_base); 21.318 - 21.319 - kfree(dom_data); 21.320 - 21.321 - return sizeof(dom0_newdomain_t); 21.322 -} 21.323 - 21.324 -struct file_operations newdom_data_fops = { 21.325 - read: dom_data_read, 21.326 -}; 21.327 - 21.328 -static int cmd_write_proc(struct file *file, const char *buffer, 21.329 - u_long count, void *data) 21.330 -{ 21.331 - dom0_op_t op; 21.332 - int ret = 0; 21.333 - struct proc_dir_entry * new_dom_id; 21.334 - dom0_newdomain_t * params; 21.335 - int i; 21.336 - unsigned long p; 21.337 - 21.338 - copy_from_user(&op, buffer, sizeof(dom0_op_t)); 21.339 - 21.340 - /* do some sanity checks */ 21.341 - if(op.cmd > MAX_CMD){ 21.342 - ret = -ENOSYS; 21.343 - goto out; 21.344 - } 21.345 - 21.346 - if ( op.cmd == MAP_DOM_MEM ) 21.347 - { 21.348 - ret = dom_map_mem(op.u.dommem.domain, op.u.dommem.start_pfn, 21.349 - op.u.dommem.tot_pages); 21.350 - } 21.351 - else if ( op.cmd == DO_PGUPDATES ) 21.352 - { 21.353 - ret = HYPERVISOR_pt_update(op.u.pgupdate.pgt_update_arr, 21.354 - op.u.pgupdate.num_pgt_updates); 21.355 - } 21.356 - else 21.357 - { 21.358 - ret = HYPERVISOR_dom0_op(&op); 21.359 - 21.360 - /* if new domain created, create proc entries */ 21.361 - if(op.cmd == DOM0_CREATEDOMAIN) { 21.362 - create_proc_dom_entries(ret); 21.363 - 21.364 - params = (dom0_newdomain_t *)kmalloc(sizeof(dom0_newdomain_t), 21.365 - GFP_KERNEL); 21.366 - params->memory_kb = op.u.newdomain.memory_kb; 21.367 - params->pg_head = op.u.newdomain.pg_head; 21.368 - params->num_vifs = op.u.newdomain.num_vifs; 21.369 - params->domain = op.u.newdomain.domain; 21.370 - 21.371 - /* now notify user space of the new domain's id */ 21.372 - new_dom_id = create_proc_entry(DOM0_NEWDOM, 0600, xeno_base); 21.373 - if ( new_dom_id != NULL ) 21.374 - { 21.375 - new_dom_id->owner = THIS_MODULE; 21.376 - new_dom_id->nlink = 1; 21.377 - new_dom_id->proc_fops = &newdom_data_fops; 21.378 - new_dom_id->data = (void *)params; 21.379 - } 21.380 - 21.381 - } 21.382 - 21.383 - } 21.384 - 21.385 -out: 21.386 - return ret; 21.387 - 21.388 -} 21.389 - 21.390 -/*********************************************************************** 21.391 - * 21.392 - * Implementation of /proc/xeno/domains 21.393 - */ 21.394 - 21.395 -static dom0_op_t proc_domains_op; 21.396 -static int proc_domains_finished; 21.397 -static rwlock_t proc_xeno_domains_lock = RW_LOCK_UNLOCKED; 21.398 - 21.399 -static void *xeno_domains_next(struct seq_file *s, void *v, loff_t *pos) 21.400 -{ 21.401 - int ret; 21.402 - 21.403 - if (pos != NULL) { ++ (*pos); } 21.404 - if (!proc_domains_finished) { 21.405 - proc_domains_op.u.getdominfo.domain ++; 21.406 - ret = HYPERVISOR_dom0_op(&proc_domains_op); 21.407 - if (ret < 0) proc_domains_finished = TRUE; 21.408 - } 21.409 - 21.410 - return (proc_domains_finished) ? NULL : &proc_domains_op; 21.411 -} 21.412 - 21.413 -static void *xeno_domains_start(struct seq_file *s, loff_t *ppos) 21.414 -{ 21.415 - loff_t pos = *ppos; 21.416 - 21.417 - write_lock (&proc_xeno_domains_lock); 21.418 - proc_domains_op.cmd = DOM0_GETDOMAININFO; 21.419 - proc_domains_op.u.getdominfo.domain = 0; 21.420 - (void)HYPERVISOR_dom0_op(&proc_domains_op); 21.421 - proc_domains_finished = FALSE; 21.422 - 21.423 - while (pos > 0) { 21.424 - pos --; 21.425 - xeno_domains_next (s, NULL, NULL); 21.426 - } 21.427 - 21.428 - return (proc_domains_finished) ? NULL : &proc_domains_op; 21.429 -} 21.430 - 21.431 -static void xeno_domains_stop(struct seq_file *s, void *v) 21.432 -{ 21.433 - write_unlock (&proc_xeno_domains_lock); 21.434 -} 21.435 - 21.436 -static int xeno_domains_show(struct seq_file *s, void *v) 21.437 -{ 21.438 - dom0_op_t *di = v; 21.439 - 21.440 - /* 21.441 - * Output one domain's details to dom0. 21.442 - * 21.443 - * If you update this format string then change xi_list to match. 21.444 - */ 21.445 - 21.446 - seq_printf (s, 21.447 - "%8d %2d %1d %2d %8d %8ld %p %8d %s\n", 21.448 - di -> u.getdominfo.domain, 21.449 - di -> u.getdominfo.processor, 21.450 - di -> u.getdominfo.has_cpu, 21.451 - di -> u.getdominfo.state, 21.452 - di -> u.getdominfo.hyp_events, 21.453 - di -> u.getdominfo.mcu_advance, 21.454 - di -> u.getdominfo.pg_head, 21.455 - di -> u.getdominfo.tot_pages, 21.456 - di -> u.getdominfo.name); 21.457 - 21.458 - return 0; 21.459 -} 21.460 - 21.461 -struct seq_operations xeno_domains_op = { 21.462 - .start = xeno_domains_start, 21.463 - .next = xeno_domains_next, 21.464 - .stop = xeno_domains_stop, 21.465 - .show = xeno_domains_show, 21.466 -}; 21.467 - 21.468 -static int xeno_domains_open(struct inode *inode, struct file *file) 21.469 -{ 21.470 - return seq_open(file, &xeno_domains_op); 21.471 -} 21.472 - 21.473 -static struct file_operations proc_xeno_domains_operations = { 21.474 - open: xeno_domains_open, 21.475 - read: seq_read, 21.476 - llseek: seq_lseek, 21.477 - release: seq_release, 21.478 -}; 21.479 - 21.480 -/***********************************************************************/ 21.481 - 21.482 - 21.483 - 21.484 -static int __init init_module(void) 21.485 -{ 21.486 - /* xeno proc root setup */ 21.487 - xeno_base = proc_mkdir(XENO_BASE, &proc_root); 21.488 - 21.489 - /* xeno control interface */ 21.490 - *readbuf = '\0'; 21.491 - dom0_cmd_intf = create_proc_entry (DOM0_CMD_INTF, 0600, xeno_base); 21.492 - if ( dom0_cmd_intf != NULL ) 21.493 - { 21.494 - dom0_cmd_intf->owner = THIS_MODULE; 21.495 - dom0_cmd_intf->nlink = 1; 21.496 - dom0_cmd_intf->read_proc = cmd_read_proc; 21.497 - dom0_cmd_intf->write_proc = cmd_write_proc; 21.498 - } 21.499 - 21.500 - /* domain list interface */ 21.501 - dom_list_intf = create_proc_entry (DOM_LIST_INTF, 0400, xeno_base); 21.502 - if ( dom_list_intf != NULL ) 21.503 - { 21.504 - dom_list_intf -> owner = THIS_MODULE; 21.505 - dom_list_intf -> nlink = 1; 21.506 - dom_list_intf -> proc_fops = &proc_xeno_domains_operations; 21.507 - } 21.508 - 21.509 - /* set up /proc entries for dom 0 */ 21.510 - create_proc_dom_entries(0); 21.511 - 21.512 - return 0; 21.513 -} 21.514 - 21.515 - 21.516 -static void __exit cleanup_module(void) 21.517 -{ 21.518 - if ( dom0_cmd_intf == NULL ) return; 21.519 - remove_proc_entry("dom0", &proc_root); 21.520 - dom0_cmd_intf = NULL; 21.521 -} 21.522 - 21.523 - 21.524 -module_init(init_module); 21.525 -module_exit(cleanup_module);
22.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_memory.c Tue Jun 24 12:05:12 2003 +0000 22.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 22.3 @@ -1,368 +0,0 @@ 22.4 -#include <linux/slab.h> 22.5 -#include <linux/mm.h> 22.6 -#include <linux/mman.h> 22.7 -#include <linux/swap.h> 22.8 -#include <linux/smp_lock.h> 22.9 -#include <linux/swapctl.h> 22.10 -#include <linux/iobuf.h> 22.11 -#include <linux/highmem.h> 22.12 -#include <linux/pagemap.h> 22.13 -#include <linux/list.h> 22.14 - 22.15 -#include <asm/pgalloc.h> 22.16 -#include <asm/uaccess.h> 22.17 -#include <asm/tlb.h> 22.18 -#include <asm/mmu.h> 22.19 - 22.20 -#include "dom0_ops.h" 22.21 - 22.22 -#define MAP_CONT 0 22.23 -#define MAP_DISCONT 1 22.24 - 22.25 -extern struct list_head * find_direct(struct list_head *, unsigned long); 22.26 - 22.27 -/* 22.28 - * bd240: functions below perform direct mapping to the real physical pages 22.29 - * needed for mapping various hypervisor specific structures needed in dom0 22.30 - * userspace by various management applications such as domain builder etc. 22.31 - */ 22.32 - 22.33 -#define direct_set_pte(pteptr, pteval) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, (pteval).pte_low) 22.34 - 22.35 -#define direct_pte_clear(pteptr) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, 0) 22.36 - 22.37 -#define __direct_pte(x) ((pte_t) { (x) } ) 22.38 -#define __direct_mk_pte(page_nr,pgprot) __direct_pte(((page_nr) << PAGE_SHIFT) | pgprot_val(pgprot)) 22.39 -#define direct_mk_pte_phys(physpage, pgprot) __direct_mk_pte((physpage) >> PAGE_SHIFT, pgprot) 22.40 - 22.41 -static inline void forget_pte(pte_t page) 22.42 -{ 22.43 - if (!pte_none(page)) { 22.44 - printk("forget_pte: old mapping existed!\n"); 22.45 - BUG(); 22.46 - } 22.47 -} 22.48 - 22.49 -static inline void direct_remappte_range(pte_t * pte, unsigned long address, unsigned long size, 22.50 - unsigned long phys_addr, pgprot_t prot) 22.51 -{ 22.52 - unsigned long end; 22.53 - 22.54 - address &= ~PMD_MASK; 22.55 - end = address + size; 22.56 - if (end > PMD_SIZE) 22.57 - end = PMD_SIZE; 22.58 - do { 22.59 - pte_t oldpage; 22.60 - oldpage = ptep_get_and_clear(pte); 22.61 - 22.62 - direct_set_pte(pte, direct_mk_pte_phys(phys_addr, prot)); 22.63 - 22.64 - forget_pte(oldpage); 22.65 - address += PAGE_SIZE; 22.66 - phys_addr += PAGE_SIZE; 22.67 - pte++; 22.68 - } while (address && (address < end)); 22.69 - 22.70 -} 22.71 - 22.72 -static inline int direct_remappmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, 22.73 - unsigned long phys_addr, pgprot_t prot) 22.74 -{ 22.75 - unsigned long end; 22.76 - 22.77 - address &= ~PGDIR_MASK; 22.78 - end = address + size; 22.79 - if (end > PGDIR_SIZE) 22.80 - end = PGDIR_SIZE; 22.81 - phys_addr -= address; 22.82 - do { 22.83 - pte_t * pte = pte_alloc(mm, pmd, address); 22.84 - if (!pte) 22.85 - return -ENOMEM; 22.86 - direct_remappte_range(pte, address, end - address, address + phys_addr, prot); 22.87 - address = (address + PMD_SIZE) & PMD_MASK; 22.88 - pmd++; 22.89 - } while (address && (address < end)); 22.90 - return 0; 22.91 -} 22.92 - 22.93 -/* Note: this is only safe if the mm semaphore is held when called. */ 22.94 -int direct_remap_page_range(unsigned long from, unsigned long phys_addr, unsigned long size, pgprot_t prot) 22.95 -{ 22.96 - int error = 0; 22.97 - pgd_t * dir; 22.98 - unsigned long beg = from; 22.99 - unsigned long end = from + size; 22.100 - struct mm_struct *mm = current->mm; 22.101 - 22.102 - phys_addr -= from; 22.103 - dir = pgd_offset(mm, from); 22.104 - flush_cache_range(mm, beg, end); 22.105 - if (from >= end) 22.106 - BUG(); 22.107 - 22.108 - spin_lock(&mm->page_table_lock); 22.109 - do { 22.110 - pmd_t *pmd = pmd_alloc(mm, dir, from); 22.111 - error = -ENOMEM; 22.112 - if (!pmd) 22.113 - break; 22.114 - error = direct_remappmd_range(mm, pmd, from, end - from, phys_addr + from, prot); 22.115 - if (error) 22.116 - break; 22.117 - from = (from + PGDIR_SIZE) & PGDIR_MASK; 22.118 - dir++; 22.119 - } while (from && (from < end)); 22.120 - spin_unlock(&mm->page_table_lock); 22.121 - flush_tlb_range(mm, beg, end); 22.122 - return error; 22.123 -} 22.124 - 22.125 -/* 22.126 - * used for remapping discontiguous bits of domain's memory, pages to map are 22.127 - * found from frame table beginning at the given first_pg index 22.128 - */ 22.129 -int direct_remap_disc_page_range(unsigned long from, 22.130 - unsigned long first_pg, int tot_pages, pgprot_t prot) 22.131 -{ 22.132 - dom0_op_t dom0_op; 22.133 - unsigned long *pfns = get_free_page(GFP_KERNEL); 22.134 - unsigned long start = from; 22.135 - int pages, i; 22.136 - 22.137 - while ( tot_pages != 0 ) 22.138 - { 22.139 - dom0_op.cmd = DOM0_GETMEMLIST; 22.140 - dom0_op.u.getmemlist.start_pfn = first_pg; 22.141 - pages = 1023; 22.142 - dom0_op.u.getmemlist.num_pfns = 1024; 22.143 - if ( tot_pages < 1024 ) 22.144 - dom0_op.u.getmemlist.num_pfns = pages = tot_pages; 22.145 - dom0_op.u.getmemlist.buffer = pfns; 22.146 - (void)HYPERVISOR_dom0_op(&dom0_op); 22.147 - first_pg = pfns[1023]; 22.148 - 22.149 - for ( i = 0; i < pages; i++ ) 22.150 - { 22.151 - if(direct_remap_page_range(start, pfns[i] << PAGE_SHIFT, 22.152 - PAGE_SIZE, prot)) 22.153 - goto out; 22.154 - start += PAGE_SIZE; 22.155 - tot_pages--; 22.156 - } 22.157 - } 22.158 - 22.159 -out: 22.160 - free_page(pfns); 22.161 - return tot_pages; 22.162 -} 22.163 - 22.164 -/* below functions replace standard sys_mmap and sys_munmap which are absolutely useless 22.165 - * for direct memory mapping. direct_zap* functions are minor ammendments to the 22.166 - * original versions in mm/memory.c. the changes are to enable unmapping of real physical 22.167 - * addresses. 22.168 - */ 22.169 - 22.170 -unsigned long direct_mmap(unsigned long phys_addr, unsigned long size, 22.171 - pgprot_t prot, int flag, int tot_pages) 22.172 -{ 22.173 - direct_mmap_node_t * dmmap; 22.174 - struct list_head * entry; 22.175 - unsigned long addr; 22.176 - int ret = 0; 22.177 - 22.178 - if(!capable(CAP_SYS_ADMIN)){ 22.179 - ret = -EPERM; 22.180 - goto out; 22.181 - } 22.182 - 22.183 - /* get unmapped area invokes xen specific arch_get_unmapped_area */ 22.184 - addr = get_unmapped_area(NULL, 0, size, 0, 0); 22.185 - if(addr & ~PAGE_MASK){ 22.186 - ret = -ENOMEM; 22.187 - goto out; 22.188 - } 22.189 - 22.190 - /* add node on the list of directly mapped areas, make sure the 22.191 - * list remains sorted. 22.192 - */ 22.193 - dmmap = (direct_mmap_node_t *)kmalloc(sizeof(direct_mmap_node_t), GFP_KERNEL); 22.194 - dmmap->vm_start = addr; 22.195 - dmmap->vm_end = addr + size; 22.196 - entry = find_direct(¤t->mm->context.direct_list, addr); 22.197 - if(entry != ¤t->mm->context.direct_list){ 22.198 - list_add_tail(&dmmap->list, entry); 22.199 - } else { 22.200 - list_add_tail(&dmmap->list, ¤t->mm->context.direct_list); 22.201 - } 22.202 - 22.203 - /* and perform the mapping */ 22.204 - if(flag == MAP_DISCONT){ 22.205 - ret = direct_remap_disc_page_range(addr, phys_addr >> PAGE_SHIFT, 22.206 - tot_pages, prot); 22.207 - } else { 22.208 - ret = direct_remap_page_range(addr, phys_addr, size, prot); 22.209 - } 22.210 - 22.211 - if(ret == 0) 22.212 - ret = addr; 22.213 - 22.214 -out: 22.215 - return ret; 22.216 -} 22.217 - 22.218 -/* most of the checks, refcnt updates, cache stuff have been thrown out as they are not 22.219 - * needed 22.220 - */ 22.221 -static inline int direct_zap_pte_range(mmu_gather_t *tlb, pmd_t * pmd, unsigned long address, 22.222 - unsigned long size) 22.223 -{ 22.224 - unsigned long offset; 22.225 - pte_t * ptep; 22.226 - int freed = 0; 22.227 - 22.228 - if (pmd_none(*pmd)) 22.229 - return 0; 22.230 - if (pmd_bad(*pmd)) { 22.231 - pmd_ERROR(*pmd); 22.232 - pmd_clear(pmd); 22.233 - return 0; 22.234 - } 22.235 - ptep = pte_offset(pmd, address); 22.236 - offset = address & ~PMD_MASK; 22.237 - if (offset + size > PMD_SIZE) 22.238 - size = PMD_SIZE - offset; 22.239 - size &= PAGE_MASK; 22.240 - for (offset=0; offset < size; ptep++, offset += PAGE_SIZE) { 22.241 - pte_t pte = *ptep; 22.242 - if (pte_none(pte)) 22.243 - continue; 22.244 - freed ++; 22.245 - direct_pte_clear(ptep); 22.246 - } 22.247 - 22.248 - return freed; 22.249 -} 22.250 - 22.251 -static inline int direct_zap_pmd_range(mmu_gather_t *tlb, pgd_t * dir, 22.252 - unsigned long address, unsigned long size) 22.253 -{ 22.254 - pmd_t * pmd; 22.255 - unsigned long end; 22.256 - int freed; 22.257 - 22.258 - if (pgd_none(*dir)) 22.259 - return 0; 22.260 - if (pgd_bad(*dir)) { 22.261 - pgd_ERROR(*dir); 22.262 - pgd_clear(dir); 22.263 - return 0; 22.264 - } 22.265 - pmd = pmd_offset(dir, address); 22.266 - end = address + size; 22.267 - if (end > ((address + PGDIR_SIZE) & PGDIR_MASK)) 22.268 - end = ((address + PGDIR_SIZE) & PGDIR_MASK); 22.269 - freed = 0; 22.270 - do { 22.271 - freed += direct_zap_pte_range(tlb, pmd, address, end - address); 22.272 - address = (address + PMD_SIZE) & PMD_MASK; 22.273 - pmd++; 22.274 - } while (address < end); 22.275 - return freed; 22.276 -} 22.277 - 22.278 -/* 22.279 - * remove user pages in a given range. 22.280 - */ 22.281 -void direct_zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size) 22.282 -{ 22.283 - mmu_gather_t *tlb; 22.284 - pgd_t * dir; 22.285 - unsigned long start = address, end = address + size; 22.286 - int freed = 0; 22.287 - 22.288 - dir = pgd_offset(mm, address); 22.289 - 22.290 - /* 22.291 - * This is a long-lived spinlock. That's fine. 22.292 - * There's no contention, because the page table 22.293 - * lock only protects against kswapd anyway, and 22.294 - * even if kswapd happened to be looking at this 22.295 - * process we _want_ it to get stuck. 22.296 - */ 22.297 - if (address >= end) 22.298 - BUG(); 22.299 - spin_lock(&mm->page_table_lock); 22.300 - flush_cache_range(mm, address, end); 22.301 - tlb = tlb_gather_mmu(mm); 22.302 - 22.303 - do { 22.304 - freed += direct_zap_pmd_range(tlb, dir, address, end - address); 22.305 - address = (address + PGDIR_SIZE) & PGDIR_MASK; 22.306 - dir++; 22.307 - } while (address && (address < end)); 22.308 - 22.309 - /* this will flush any remaining tlb entries */ 22.310 - tlb_finish_mmu(tlb, start, end); 22.311 - 22.312 - /* decrementing rss removed */ 22.313 - 22.314 - spin_unlock(&mm->page_table_lock); 22.315 -} 22.316 - 22.317 -int direct_unmap(unsigned long addr, unsigned long size) 22.318 -{ 22.319 - direct_mmap_node_t * node; 22.320 - struct list_head * curr; 22.321 - struct list_head * direct_list = ¤t->mm->context.direct_list; 22.322 - 22.323 - curr = direct_list->next; 22.324 - while(curr != direct_list){ 22.325 - node = list_entry(curr, direct_mmap_node_t, list); 22.326 - if(node->vm_start == addr) 22.327 - break; 22.328 - curr = curr->next; 22.329 - } 22.330 - 22.331 - if(curr == direct_list) 22.332 - return -1; 22.333 - 22.334 - list_del(&node->list); 22.335 - kfree(node); 22.336 - 22.337 - direct_zap_page_range(current->mm, addr, size); 22.338 - 22.339 - return 0; 22.340 -} 22.341 - 22.342 -int direct_disc_unmap(unsigned long from, unsigned long first_pg, int tot_pages) 22.343 -{ 22.344 - int count = 0; 22.345 - direct_mmap_node_t * node; 22.346 - struct list_head * curr; 22.347 - struct list_head * direct_list = ¤t->mm->context.direct_list; 22.348 - 22.349 - curr = direct_list->next; 22.350 - while(curr != direct_list){ 22.351 - node = list_entry(curr, direct_mmap_node_t, list); 22.352 - 22.353 - if(node->vm_start == from) 22.354 - break; 22.355 - curr = curr->next; 22.356 - } 22.357 - 22.358 - if(curr == direct_list) 22.359 - return -1; 22.360 - 22.361 - list_del(&node->list); 22.362 - kfree(node); 22.363 - 22.364 - while(count < tot_pages){ 22.365 - direct_zap_page_range(current->mm, from, PAGE_SIZE); 22.366 - from += PAGE_SIZE; 22.367 - count++; 22.368 - } 22.369 - 22.370 - return 0; 22.371 -}
23.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h Tue Jun 24 12:05:12 2003 +0000 23.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 23.3 @@ -1,57 +0,0 @@ 23.4 -/****************************************************************************** 23.5 - * dom0_ops.h 23.6 - * 23.7 - * Process command requests from domain-0 guest OS. 23.8 - * This file includes the Xen part of the interface, plus the extra stuff 23.9 - * that is dealt with by Xenolinux without being handed down to Xen. 23.10 - * 23.11 - * Copyright (c) 2002-2003, K A Fraser, B Dragovic 23.12 - */ 23.13 - 23.14 -#ifndef __DOM0_DOM0_OPS_H__ 23.15 -#define __DOM0_DOM0_OPS_H__ 23.16 - 23.17 -/* External users of this header file will include Xen's version separately. */ 23.18 -#ifdef __KERNEL__ 23.19 -#define NO_DOM0_OP_T 23.20 -#include <asm/hypervisor-ifs/dom0_ops.h> 23.21 -#endif 23.22 - 23.23 -/* Extra commands dealt with by Xenolinux. */ 23.24 -#define MAP_DOM_MEM 14 23.25 -#define DO_PGUPDATES 15 23.26 -#define MAX_CMD 16 23.27 - 23.28 -typedef struct dom_mem 23.29 -{ 23.30 - unsigned int domain; 23.31 - unsigned long vaddr; 23.32 - unsigned long start_pfn; 23.33 - int tot_pages; 23.34 -} dom_mem_t; 23.35 - 23.36 -typedef struct dom_pgupdate 23.37 -{ 23.38 - unsigned long pgt_update_arr; 23.39 - unsigned long num_pgt_updates; 23.40 -} dom_pgupdate_t; 23.41 - 23.42 -typedef struct dom0_op_st 23.43 -{ 23.44 - unsigned long cmd; 23.45 - union 23.46 - { 23.47 - dom0_newdomain_t newdomain; 23.48 - dom0_killdomain_t killdomain; 23.49 - dom0_getmemlist_t getmemlist; 23.50 - dom0_bvtctl_t bvtctl; 23.51 - dom0_adjustdom_t adjustdom; 23.52 - dom_mem_t dommem; 23.53 - dom_pgupdate_t pgupdate; 23.54 - dom_meminfo_t meminfo; 23.55 - dom0_getdominfo_t getdominfo; 23.56 - } 23.57 - u; 23.58 -} dom0_op_t; 23.59 - 23.60 -#endif /* __DOM0_DOM0_OPS_H__ */
24.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/sched_ops.c Tue Jun 24 12:05:12 2003 +0000 24.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 24.3 @@ -1,137 +0,0 @@ 24.4 -/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*- 24.5 - **************************************************************************** 24.6 - * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge 24.7 - **************************************************************************** 24.8 - * 24.9 - * File: sched_ops.c 24.10 - * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk) 24.11 - * Changes: 24.12 - * 24.13 - * Date: Mar 2003 24.14 - * 24.15 - * Environment: XenoLinux 24.16 - * Description: Dom0 Control interface to scheduler in Xen 24.17 - * 24.18 - * code based on Andy's vfr parsing code 24.19 - * 24.20 - * Commands understood by the interface: 24.21 - * 24.22 - * C <context swith allowance> 24.23 - * S <did> <mcu advance> <warp> <warp limit> <unwarp limit> 24.24 - * 24.25 - **************************************************************************** 24.26 - * $Id: c-insert.c,v 1.7 2002/11/08 16:04:34 rn Exp $ 24.27 - **************************************************************************** 24.28 - */ 24.29 - 24.30 -#include <linux/config.h> 24.31 -#include <linux/module.h> 24.32 -#include <linux/kernel.h> 24.33 -#include <linux/sched.h> 24.34 -#include <linux/ctype.h> 24.35 -#include <linux/string.h> 24.36 -#include <linux/errno.h> 24.37 -#include <linux/proc_fs.h> 24.38 - 24.39 -#include "dom0_ops.h" 24.40 - 24.41 -#define SCHED_ENTRY "sched" 24.42 -extern struct proc_dir_entry *xeno_base; 24.43 -static struct proc_dir_entry *sched_pde; 24.44 - 24.45 -static unsigned char readbuf[1024]; 24.46 - 24.47 -static int sched_read_proc(char *page, char **start, off_t off, 24.48 - int count, int *eof, void *data) 24.49 -{ 24.50 - strcpy(page, readbuf); 24.51 - *readbuf = '\0'; 24.52 - *eof = 1; 24.53 - *start = page; 24.54 - return strlen(page); 24.55 -} 24.56 - 24.57 - 24.58 -static int sched_write_proc(struct file *file, const char *buffer, 24.59 - u_long count, void *data) 24.60 -{ 24.61 - dom0_op_t op; 24.62 - 24.63 - int ret, len; 24.64 - int ts, te, tl; /* token start, end, and length */ 24.65 - 24.66 - /* Only admin can adjust scheduling parameters */ 24.67 - if ( !capable(CAP_SYS_ADMIN) ) 24.68 - return -EPERM; 24.69 - 24.70 - /* parse the commands */ 24.71 - len = count; 24.72 - ts = te = 0; 24.73 - 24.74 - while ( count && isspace(buffer[ts]) ) { ts++; count--; } /*skip spaces*/ 24.75 - te = ts; 24.76 - while ( count && !isspace(buffer[te]) ) { te++; count--; } /*command end*/ 24.77 - if ( te <= ts ) goto bad; 24.78 - tl = te - ts; 24.79 - 24.80 - if ( strncmp(&buffer[ts], "C", tl) == 0 ) { 24.81 - op.cmd = DOM0_BVTCTL; 24.82 - } else if ( strncmp(&buffer[ts], "S", tl) == 0 ) { 24.83 - op.cmd = DOM0_ADJUSTDOM; 24.84 - } else 24.85 - goto bad; 24.86 - 24.87 - /* skip whitspaces and get first parameter */ 24.88 - ts = te; while ( count && isspace(buffer[ts]) ) { ts++; count--; } 24.89 - te = ts; while ( count && !isspace(buffer[te]) ) { te++; count--; } 24.90 - if ( te <= ts ) goto bad; 24.91 - tl = te - ts; 24.92 - if ( !isdigit(buffer[ts]) ) goto bad; 24.93 - 24.94 - if (op.cmd == DOM0_BVTCTL) { 24.95 - /* get context switch allowance */ 24.96 - sscanf(&buffer[ts], "%lu", &op.u.bvtctl.ctx_allow); 24.97 - } else if (op.cmd == DOM0_ADJUSTDOM) { 24.98 - sscanf(&buffer[ts], "%u %lu %lu %lu %lu", 24.99 - &op.u.adjustdom.domain, 24.100 - &op.u.adjustdom.mcu_adv, 24.101 - &op.u.adjustdom.warp, 24.102 - &op.u.adjustdom.warpl, 24.103 - &op.u.adjustdom.warpu); 24.104 - } 24.105 - ret = HYPERVISOR_dom0_op(&op); 24.106 - return sizeof(op); 24.107 - 24.108 - bad: 24.109 - return -EINVAL; 24.110 - 24.111 -} 24.112 - 24.113 - 24.114 -/* 24.115 - * main scheduler interface driver driver initialization function. 24.116 - */ 24.117 -static int __init init_module(void) 24.118 -{ 24.119 - printk(KERN_ALERT "Starting Domain Scheduler Control Interface\n"); 24.120 - 24.121 - sched_pde = create_proc_entry(SCHED_ENTRY, 0600, xeno_base); 24.122 - if ( sched_pde == NULL ) 24.123 - { 24.124 - printk(KERN_ALERT "Unable to create dom scheduler proc entry!"); 24.125 - return -1; 24.126 - } 24.127 - 24.128 - sched_pde->read_proc = sched_read_proc; 24.129 - sched_pde->write_proc = sched_write_proc; 24.130 - 24.131 - return 0; 24.132 -} 24.133 - 24.134 -static void __exit cleanup_module(void) 24.135 -{ 24.136 -} 24.137 - 24.138 -module_init(init_module); 24.139 -module_exit(cleanup_module); 24.140 -
25.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/vfr.c Tue Jun 24 12:05:12 2003 +0000 25.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 25.3 @@ -1,321 +0,0 @@ 25.4 -/****************************************************************************** 25.5 - * vfr.c 25.6 - * 25.7 - * Interface to the virtual firewall/router. 25.8 - * 25.9 - */ 25.10 - 25.11 -#include <linux/config.h> 25.12 -#include <linux/module.h> 25.13 -#include <linux/kernel.h> 25.14 -#include <linux/sched.h> 25.15 -#include <linux/slab.h> 25.16 -#include <linux/string.h> 25.17 -#include <linux/errno.h> 25.18 -#include <linux/proc_fs.h> 25.19 - 25.20 -#include <asm/hypervisor-ifs/network.h> 25.21 - 25.22 -static struct proc_dir_entry *proc_vfr; 25.23 - 25.24 -static unsigned char readbuf[1024]; 25.25 - 25.26 -/* Helpers, implemented at the bottom. */ 25.27 -u32 getipaddr(const char *buff, unsigned int len); 25.28 -u16 antous(const char *buff, int len); 25.29 -int anton(const char *buff, int len); 25.30 - 25.31 -static int vfr_read_proc(char *page, char **start, off_t off, 25.32 - int count, int *eof, void *data) 25.33 -{ 25.34 - strcpy(page, readbuf); 25.35 - *readbuf = '\0'; 25.36 - *eof = 1; 25.37 - *start = page; 25.38 - return strlen(page); 25.39 -} 25.40 - 25.41 -/* The format for the vfr interface is as follows: 25.42 - * 25.43 - * COMMAND <field>=<val> [<field>=<val> [...]] 25.44 - * 25.45 - * where: 25.46 - * 25.47 - * COMMAND = { ACCEPT | COUNT } 25.48 - * 25.49 - * field=val pairs are as follows: 25.50 - * 25.51 - * field = { srcaddr | dstaddr } 25.52 - * val is a dot seperated, numeric IP address. 25.53 - * 25.54 - * field = { srcport | dstport } 25.55 - * val is a (16-bit) unsigned int 25.56 - * 25.57 - * field = { proto } 25.58 - * val = { IP | TCP | UDP | ARP } 25.59 - * 25.60 - */ 25.61 - 25.62 -#define isspace(_x) ( ((_x)==' ') || ((_x)=='\t') || ((_x)=='\v') || \ 25.63 - ((_x)=='\f') || ((_x)=='\r') || ((_x)=='\n') ) 25.64 - 25.65 -static int vfr_write_proc(struct file *file, const char *buffer, 25.66 - u_long count, void *data) 25.67 -{ 25.68 - network_op_t op; 25.69 - int ret, len; 25.70 - int ts, te, tl; // token start, end, and length 25.71 - int fs, fe, fl; // field. 25.72 - 25.73 - len = count; 25.74 - ts = te = 0; 25.75 - 25.76 - memset(&op, 0, sizeof(network_op_t)); 25.77 - 25.78 - // get the command: 25.79 - while ( count && isspace(buffer[ts]) ) { ts++; count--; } // skip spaces. 25.80 - te = ts; 25.81 - while ( count && !isspace(buffer[te]) ) { te++; count--; } // command end 25.82 - if ( te <= ts ) goto bad; 25.83 - tl = te - ts; 25.84 - 25.85 - if ( strncmp(&buffer[ts], "ADD", tl) == 0 ) 25.86 - { 25.87 - op.cmd = NETWORK_OP_ADDRULE; 25.88 - } 25.89 - else if ( strncmp(&buffer[ts], "DELETE", tl) == 0 ) 25.90 - { 25.91 - op.cmd = NETWORK_OP_DELETERULE; 25.92 - } 25.93 - else if ( strncmp(&buffer[ts], "PRINT", tl) == 0 ) 25.94 - { 25.95 - op.cmd = NETWORK_OP_GETRULELIST; 25.96 - goto doneparsing; 25.97 - } 25.98 - 25.99 - ts = te; 25.100 - 25.101 - // get the action 25.102 - while ( count && (buffer[ts] == ' ') ) { ts++; count--; } // skip spaces. 25.103 - te = ts; 25.104 - while ( count && (buffer[te] != ' ') ) { te++; count--; } // command end 25.105 - if ( te <= ts ) goto bad; 25.106 - tl = te - ts; 25.107 - 25.108 - if ( strncmp(&buffer[ts], "ACCEPT", tl) == 0 ) 25.109 - { 25.110 - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; 25.111 - goto keyval; 25.112 - } 25.113 - if ( strncmp(&buffer[ts], "COUNT", tl) == 0 ) 25.114 - { 25.115 - op.u.net_rule.action = NETWORK_ACTION_COUNT; 25.116 - goto keyval; 25.117 - } 25.118 - 25.119 - // default case; 25.120 - return (len); 25.121 - 25.122 - 25.123 - // get the key=val pairs. 25.124 - keyval: 25.125 - while (count) 25.126 - { 25.127 - //get field 25.128 - ts = te; while ( count && isspace(buffer[ts]) ) { ts++; count--; } 25.129 - te = ts; 25.130 - while ( count && !isspace(buffer[te]) && (buffer[te] != '=') ) 25.131 - { te++; count--; } 25.132 - if ( te <= ts ) 25.133 - goto doneparsing; 25.134 - tl = te - ts; 25.135 - fs = ts; fe = te; fl = tl; // save the field markers. 25.136 - // skip " = " (ignores extra equals.) 25.137 - while ( count && (isspace(buffer[te]) || (buffer[te] == '=')) ) 25.138 - { te++; count--; } 25.139 - ts = te; 25.140 - while ( count && !isspace(buffer[te]) ) { te++; count--; } 25.141 - tl = te - ts; 25.142 - 25.143 - if ( (fl <= 0) || (tl <= 0) ) goto bad; 25.144 - 25.145 - /* NB. Prefix matches must go first! */ 25.146 - if (strncmp(&buffer[fs], "src", fl) == 0) 25.147 - { 25.148 - op.u.net_rule.src_vif = VIF_ANY_INTERFACE; 25.149 - } 25.150 - else if (strncmp(&buffer[fs], "dst", fl) == 0) 25.151 - { 25.152 - op.u.net_rule.dst_vif = VIF_PHYSICAL_INTERFACE; 25.153 - } 25.154 - else if (strncmp(&buffer[fs], "srcaddr", fl) == 0) 25.155 - { 25.156 - op.u.net_rule.src_addr = getipaddr(&buffer[ts], tl); 25.157 - } 25.158 - else if (strncmp(&buffer[fs], "dstaddr", fl) == 0) 25.159 - { 25.160 - op.u.net_rule.dst_addr = getipaddr(&buffer[ts], tl); 25.161 - } 25.162 - else if (strncmp(&buffer[fs], "srcaddrmask", fl) == 0) 25.163 - { 25.164 - op.u.net_rule.src_addr_mask = getipaddr(&buffer[ts], tl); 25.165 - } 25.166 - else if (strncmp(&buffer[fs], "dstaddrmask", fl) == 0) 25.167 - { 25.168 - op.u.net_rule.dst_addr_mask = getipaddr(&buffer[ts], tl); 25.169 - } 25.170 - else if (strncmp(&buffer[fs], "srcport", fl) == 0) 25.171 - { 25.172 - op.u.net_rule.src_port = antous(&buffer[ts], tl); 25.173 - } 25.174 - else if (strncmp(&buffer[fs], "dstport", fl) == 0) 25.175 - { 25.176 - op.u.net_rule.dst_port = antous(&buffer[ts], tl); 25.177 - } 25.178 - else if (strncmp(&buffer[fs], "srcportmask", fl) == 0) 25.179 - { 25.180 - op.u.net_rule.src_port_mask = antous(&buffer[ts], tl); 25.181 - } 25.182 - else if (strncmp(&buffer[fs], "dstportmask", fl) == 0) 25.183 - { 25.184 - op.u.net_rule.dst_port_mask = antous(&buffer[ts], tl); 25.185 - } 25.186 - else if (strncmp(&buffer[fs], "srcdom", fl) == 0) 25.187 - { 25.188 - op.u.net_rule.src_vif |= anton(&buffer[ts], tl)<<VIF_DOMAIN_SHIFT; 25.189 - } 25.190 - else if (strncmp(&buffer[fs], "srcidx", fl) == 0) 25.191 - { 25.192 - op.u.net_rule.src_vif |= anton(&buffer[ts], tl); 25.193 - } 25.194 - else if (strncmp(&buffer[fs], "dstdom", fl) == 0) 25.195 - { 25.196 - op.u.net_rule.dst_vif |= anton(&buffer[ts], tl)<<VIF_DOMAIN_SHIFT; 25.197 - } 25.198 - else if (strncmp(&buffer[fs], "dstidx", fl) == 0) 25.199 - { 25.200 - op.u.net_rule.dst_vif |= anton(&buffer[ts], tl); 25.201 - } 25.202 - else if ( (strncmp(&buffer[fs], "proto", fl) == 0)) 25.203 - { 25.204 - if (strncmp(&buffer[ts], "any", tl) == 0) 25.205 - op.u.net_rule.proto = NETWORK_PROTO_ANY; 25.206 - if (strncmp(&buffer[ts], "ip", tl) == 0) 25.207 - op.u.net_rule.proto = NETWORK_PROTO_IP; 25.208 - if (strncmp(&buffer[ts], "tcp", tl) == 0) 25.209 - op.u.net_rule.proto = NETWORK_PROTO_TCP; 25.210 - if (strncmp(&buffer[ts], "udp", tl) == 0) 25.211 - op.u.net_rule.proto = NETWORK_PROTO_UDP; 25.212 - if (strncmp(&buffer[ts], "arp", tl) == 0) 25.213 - op.u.net_rule.proto = NETWORK_PROTO_ARP; 25.214 - } 25.215 - } 25.216 - 25.217 - doneparsing: 25.218 - ret = HYPERVISOR_network_op(&op); 25.219 - return(len); 25.220 - 25.221 - bad: 25.222 - return(len); 25.223 - 25.224 - 25.225 -} 25.226 - 25.227 -static int __init init_module(void) 25.228 -{ 25.229 - *readbuf = '\0'; 25.230 - proc_vfr = create_proc_entry ("vfr", 0600, &proc_root); 25.231 - if ( proc_vfr != NULL ) 25.232 - { 25.233 - proc_vfr->owner = THIS_MODULE; 25.234 - proc_vfr->nlink = 1; 25.235 - proc_vfr->read_proc = vfr_read_proc; 25.236 - proc_vfr->write_proc = vfr_write_proc; 25.237 - printk("Successfully installed virtual firewall/router interface\n"); 25.238 - } 25.239 - return 0; 25.240 -} 25.241 - 25.242 -static void __exit cleanup_module(void) 25.243 -{ 25.244 - if ( proc_vfr == NULL ) return; 25.245 - remove_proc_entry("vfr", &proc_root); 25.246 - proc_vfr = NULL; 25.247 -} 25.248 - 25.249 -module_init(init_module); 25.250 -module_exit(cleanup_module); 25.251 - 25.252 -/* Helper functions start here: */ 25.253 - 25.254 -int anton(const char *buff, int len) 25.255 -{ 25.256 - int ret; 25.257 - char c; 25.258 - int sign = 1; 25.259 - 25.260 - ret = 0; 25.261 - 25.262 - if (len == 0) return 0; 25.263 - if (*buff == '-') { sign = -1; buff++; len--; } 25.264 - 25.265 - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) 25.266 - { 25.267 - ret *= 10; 25.268 - ret += c - '0'; 25.269 - buff++; len--; 25.270 - } 25.271 - 25.272 - ret *= sign; 25.273 - return ret; 25.274 -} 25.275 - 25.276 -u16 antous(const char *buff, int len) 25.277 -{ 25.278 - u16 ret; 25.279 - char c; 25.280 - 25.281 - ret = 0; 25.282 - 25.283 - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) 25.284 - { 25.285 - ret *= 10; 25.286 - ret += c - '0'; 25.287 - buff++; len--; 25.288 - } 25.289 - 25.290 - return ret; 25.291 -} 25.292 - 25.293 -u32 getipaddr(const char *buff, unsigned int len) 25.294 -{ 25.295 - char c; 25.296 - u32 ret, val; 25.297 - 25.298 - ret = 0; val = 0; 25.299 - 25.300 - while ( len ) 25.301 - { 25.302 - if (!((((c = *buff) >= '0') && ( c <= '9')) || ( c == '.' ) ) ) 25.303 - { 25.304 - return(0); // malformed. 25.305 - } 25.306 - 25.307 - if ( c == '.' ) { 25.308 - if (val > 255) return (0); //malformed. 25.309 - ret = ret << 8; 25.310 - ret += val; 25.311 - val = 0; 25.312 - len--; buff++; 25.313 - continue; 25.314 - } 25.315 - val *= 10; 25.316 - val += c - '0'; 25.317 - buff++; len--; 25.318 - } 25.319 - ret = ret << 8; 25.320 - ret += val; 25.321 - 25.322 - return (ret); 25.323 -} 25.324 -
26.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/Makefile Tue Jun 24 12:05:12 2003 +0000 26.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 26.3 @@ -1,3 +0,0 @@ 26.4 -O_TARGET := net.o 26.5 -obj-y := network.o 26.6 -include $(TOPDIR)/Rules.make
27.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/network/network.c Tue Jun 24 12:05:12 2003 +0000 27.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 27.3 @@ -1,608 +0,0 @@ 27.4 -/****************************************************************************** 27.5 - * network.c 27.6 - * 27.7 - * Virtual network driver for XenoLinux. 27.8 - * 27.9 - * Copyright (c) 2002-2003, K A Fraser 27.10 - */ 27.11 - 27.12 -#include <linux/config.h> 27.13 -#include <linux/module.h> 27.14 - 27.15 -#include <linux/kernel.h> 27.16 -#include <linux/sched.h> 27.17 -#include <linux/slab.h> 27.18 -#include <linux/string.h> 27.19 -#include <linux/errno.h> 27.20 - 27.21 -#include <linux/netdevice.h> 27.22 -#include <linux/inetdevice.h> 27.23 -#include <linux/etherdevice.h> 27.24 -#include <linux/skbuff.h> 27.25 -#include <linux/init.h> 27.26 - 27.27 -#include <asm/io.h> 27.28 -#include <net/sock.h> 27.29 -#include <net/pkt_sched.h> 27.30 - 27.31 -#define NET_TX_IRQ _EVENT_NET_TX 27.32 -#define NET_RX_IRQ _EVENT_NET_RX 27.33 - 27.34 -#define TX_MAX_ENTRIES (TX_RING_SIZE - 2) 27.35 -#define RX_MAX_ENTRIES (RX_RING_SIZE - 2) 27.36 - 27.37 -#define TX_RING_INC(_i) (((_i)+1) & (TX_RING_SIZE-1)) 27.38 -#define RX_RING_INC(_i) (((_i)+1) & (RX_RING_SIZE-1)) 27.39 -#define TX_RING_ADD(_i,_j) (((_i)+(_j)) & (TX_RING_SIZE-1)) 27.40 -#define RX_RING_ADD(_i,_j) (((_i)+(_j)) & (RX_RING_SIZE-1)) 27.41 - 27.42 -#define RX_BUF_SIZE ((PAGE_SIZE/2)+1) /* Fool the slab allocator :-) */ 27.43 - 27.44 -static void network_rx_int(int irq, void *dev_id, struct pt_regs *ptregs); 27.45 -static void network_tx_int(int irq, void *dev_id, struct pt_regs *ptregs); 27.46 -static void network_tx_buf_gc(struct net_device *dev); 27.47 -static void network_alloc_rx_buffers(struct net_device *dev); 27.48 -static void network_free_rx_buffers(struct net_device *dev); 27.49 -static void cleanup_module(void); 27.50 - 27.51 -static struct list_head dev_list; 27.52 - 27.53 -struct net_private 27.54 -{ 27.55 - struct list_head list; 27.56 - struct net_device *dev; 27.57 - 27.58 - struct net_device_stats stats; 27.59 - atomic_t tx_entries; 27.60 - unsigned int rx_resp_cons, tx_resp_cons, tx_full; 27.61 - net_ring_t *net_ring; 27.62 - net_idx_t *net_idx; 27.63 - spinlock_t tx_lock; 27.64 - unsigned int idx; /* Domain-specific index of this VIF. */ 27.65 - 27.66 - /* 27.67 - * {tx,rx}_skbs store outstanding skbuffs. The first entry in each 27.68 - * array is an index into a chain of free entries. 27.69 - */ 27.70 - struct sk_buff *tx_skbs[TX_RING_SIZE]; 27.71 - struct sk_buff *rx_skbs[RX_RING_SIZE]; 27.72 -}; 27.73 - 27.74 -/* Access macros for acquiring freeing slots in {tx,rx}_skbs[]. */ 27.75 -#define ADD_ID_TO_FREELIST(_list, _id) \ 27.76 - (_list)[(_id)] = (_list)[0]; \ 27.77 - (_list)[0] = (void *)(unsigned long)(_id); 27.78 -#define GET_ID_FROM_FREELIST(_list) \ 27.79 - ({ unsigned long _id = (unsigned long)(_list)[0]; \ 27.80 - (_list)[0] = (_list)[_id]; \ 27.81 - _id; }) 27.82 - 27.83 - 27.84 -static void dbg_network_int(int irq, void *dev_id, struct pt_regs *ptregs) 27.85 -{ 27.86 - struct net_device *dev = (struct net_device *)dev_id; 27.87 - struct net_private *np = dev->priv; 27.88 - printk(KERN_ALERT "tx_full = %d, tx_entries = %d, tx_resp_cons = %d," 27.89 - " tx_req_prod = %d, tx_resp_prod = %d, tx_event = %d, state=%d\n", 27.90 - np->tx_full, atomic_read(&np->tx_entries), np->tx_resp_cons, 27.91 - np->net_idx->tx_req_prod, np->net_idx->tx_resp_prod, 27.92 - np->net_idx->tx_event, 27.93 - test_bit(__LINK_STATE_XOFF, &dev->state)); 27.94 - printk(KERN_ALERT "rx_resp_cons = %d," 27.95 - " rx_req_prod = %d, rx_resp_prod = %d, rx_event = %d\n", 27.96 - np->rx_resp_cons, np->net_idx->rx_req_prod, 27.97 - np->net_idx->rx_resp_prod, np->net_idx->rx_event); 27.98 -} 27.99 - 27.100 - 27.101 -static int network_open(struct net_device *dev) 27.102 -{ 27.103 - struct net_private *np = dev->priv; 27.104 - int i, error = 0; 27.105 - 27.106 - np->rx_resp_cons = np->tx_resp_cons = np->tx_full = 0; 27.107 - memset(&np->stats, 0, sizeof(np->stats)); 27.108 - spin_lock_init(&np->tx_lock); 27.109 - atomic_set(&np->tx_entries, 0); 27.110 - memset(np->net_ring, 0, sizeof(*np->net_ring)); 27.111 - memset(np->net_idx, 0, sizeof(*np->net_idx)); 27.112 - 27.113 - /* Initialise {tx,rx}_skbs to be a free chain containing every entry. */ 27.114 - for ( i = 0; i < TX_RING_SIZE; i++ ) 27.115 - np->tx_skbs[i] = (void *)(i+1); 27.116 - for ( i = 0; i < RX_RING_SIZE; i++ ) 27.117 - np->rx_skbs[i] = (void *)(i+1); 27.118 - 27.119 - network_alloc_rx_buffers(dev); 27.120 - 27.121 - error = request_irq(NET_RX_IRQ, network_rx_int, 27.122 - SA_SAMPLE_RANDOM, "net-rx", dev); 27.123 - if ( error ) 27.124 - { 27.125 - printk(KERN_WARNING "%s: Could not allocate receive interrupt\n", 27.126 - dev->name); 27.127 - network_free_rx_buffers(dev); 27.128 - goto fail; 27.129 - } 27.130 - 27.131 - error = request_irq(NET_TX_IRQ, network_tx_int, 27.132 - SA_SAMPLE_RANDOM, "net-tx", dev); 27.133 - if ( error ) 27.134 - { 27.135 - printk(KERN_WARNING "%s: Could not allocate transmit interrupt\n", 27.136 - dev->name); 27.137 - free_irq(NET_RX_IRQ, dev); 27.138 - network_free_rx_buffers(dev); 27.139 - goto fail; 27.140 - } 27.141 - 27.142 - error = request_irq(_EVENT_DEBUG, dbg_network_int, SA_SHIRQ, 27.143 - "debug", dev); 27.144 - if ( error ) 27.145 - { 27.146 - printk(KERN_WARNING "%s: Non-fatal error -- no debug interrupt\n", 27.147 - dev->name); 27.148 - } 27.149 - 27.150 - printk("XenoLinux Virtual Network Driver installed as %s\n", dev->name); 27.151 - 27.152 - netif_start_queue(dev); 27.153 - 27.154 - MOD_INC_USE_COUNT; 27.155 - 27.156 - return 0; 27.157 - 27.158 - fail: 27.159 - kfree(np); 27.160 - return error; 27.161 -} 27.162 - 27.163 - 27.164 -static void network_tx_buf_gc(struct net_device *dev) 27.165 -{ 27.166 - unsigned int i; 27.167 - struct net_private *np = dev->priv; 27.168 - struct sk_buff *skb; 27.169 - unsigned long flags; 27.170 - unsigned int prod; 27.171 - tx_entry_t *tx_ring = np->net_ring->tx_ring; 27.172 - 27.173 - spin_lock_irqsave(&np->tx_lock, flags); 27.174 - 27.175 - do { 27.176 - prod = np->net_idx->tx_resp_prod; 27.177 - 27.178 - for ( i = np->tx_resp_cons; i != prod; i = TX_RING_INC(i) ) 27.179 - { 27.180 - skb = np->tx_skbs[tx_ring[i].resp.id]; 27.181 - ADD_ID_TO_FREELIST(np->tx_skbs, tx_ring[i].resp.id); 27.182 - dev_kfree_skb_any(skb); 27.183 - atomic_dec(&np->tx_entries); 27.184 - } 27.185 - 27.186 - np->tx_resp_cons = prod; 27.187 - 27.188 - /* Set a new event, then check for race with update of tx_cons. */ 27.189 - np->net_idx->tx_event = 27.190 - TX_RING_ADD(prod, (atomic_read(&np->tx_entries)>>1) + 1); 27.191 - smp_mb(); 27.192 - } 27.193 - while ( prod != np->net_idx->tx_resp_prod ); 27.194 - 27.195 - if ( np->tx_full && (atomic_read(&np->tx_entries) < TX_MAX_ENTRIES) ) 27.196 - { 27.197 - np->tx_full = 0; 27.198 - netif_wake_queue(dev); 27.199 - } 27.200 - 27.201 - spin_unlock_irqrestore(&np->tx_lock, flags); 27.202 -} 27.203 - 27.204 -inline pte_t *get_ppte(void *addr) 27.205 -{ 27.206 - pgd_t *pgd; pmd_t *pmd; pte_t *pte; 27.207 - pgd = pgd_offset_k( (unsigned long)addr); 27.208 - pmd = pmd_offset(pgd, (unsigned long)addr); 27.209 - pte = pte_offset(pmd, (unsigned long)addr); 27.210 - return pte; 27.211 -} 27.212 - 27.213 -static void network_alloc_rx_buffers(struct net_device *dev) 27.214 -{ 27.215 - unsigned int i, id; 27.216 - struct net_private *np = dev->priv; 27.217 - struct sk_buff *skb; 27.218 - unsigned int end = RX_RING_ADD(np->rx_resp_cons, RX_MAX_ENTRIES); 27.219 - 27.220 - for ( i = np->net_idx->rx_req_prod; i != end; i = RX_RING_INC(i) ) 27.221 - { 27.222 - skb = dev_alloc_skb(RX_BUF_SIZE); 27.223 - if ( skb == NULL ) break; 27.224 - skb->dev = dev; 27.225 - 27.226 - id = GET_ID_FROM_FREELIST(np->rx_skbs); 27.227 - np->rx_skbs[id] = skb; 27.228 - 27.229 - np->net_ring->rx_ring[i].req.id = (unsigned short)id; 27.230 - np->net_ring->rx_ring[i].req.addr = 27.231 - virt_to_machine(get_ppte(skb->head)); 27.232 - } 27.233 - 27.234 - np->net_idx->rx_req_prod = i; 27.235 - 27.236 - np->net_idx->rx_event = RX_RING_INC(np->rx_resp_cons); 27.237 - 27.238 - /* 27.239 - * We may have allocated buffers which have entries outstanding in 27.240 - * the page update queue -- make sure we flush those first! 27.241 - */ 27.242 - flush_page_update_queue(); 27.243 - HYPERVISOR_net_update(); 27.244 -} 27.245 - 27.246 - 27.247 -static void network_free_rx_buffers(struct net_device *dev) 27.248 -{ 27.249 - unsigned int i; 27.250 - struct net_private *np = dev->priv; 27.251 - struct sk_buff *skb; 27.252 - 27.253 - for ( i = np->rx_resp_cons; 27.254 - i != np->net_idx->rx_req_prod; 27.255 - i = RX_RING_INC(i) ) 27.256 - { 27.257 - skb = np->rx_skbs[np->net_ring->rx_ring[i].req.id]; 27.258 - dev_kfree_skb_any(skb); 27.259 - } 27.260 -} 27.261 - 27.262 -static int network_start_xmit(struct sk_buff *skb, struct net_device *dev) 27.263 -{ 27.264 - unsigned int i, id; 27.265 - struct net_private *np = (struct net_private *)dev->priv; 27.266 - 27.267 - if ( np->tx_full ) 27.268 - { 27.269 - printk(KERN_ALERT "%s: full queue wasn't stopped!\n", dev->name); 27.270 - netif_stop_queue(dev); 27.271 - return -ENOBUFS; 27.272 - } 27.273 - i = np->net_idx->tx_req_prod; 27.274 - 27.275 - if ( (((unsigned long)skb->data & ~PAGE_MASK) + skb->len) >= PAGE_SIZE ) 27.276 - { 27.277 - struct sk_buff *new_skb = dev_alloc_skb(RX_BUF_SIZE); 27.278 - if ( new_skb == NULL ) return 1; 27.279 - skb_put(new_skb, skb->len); 27.280 - memcpy(new_skb->data, skb->data, skb->len); 27.281 - dev_kfree_skb(skb); 27.282 - skb = new_skb; 27.283 - } 27.284 - 27.285 - id = GET_ID_FROM_FREELIST(np->tx_skbs); 27.286 - np->tx_skbs[id] = skb; 27.287 - 27.288 - np->net_ring->tx_ring[i].req.id = (unsigned short)id; 27.289 - np->net_ring->tx_ring[i].req.addr = 27.290 - phys_to_machine(virt_to_phys(skb->data)); 27.291 - np->net_ring->tx_ring[i].req.size = skb->len; 27.292 - np->net_idx->tx_req_prod = TX_RING_INC(i); 27.293 - atomic_inc(&np->tx_entries); 27.294 - 27.295 - np->stats.tx_bytes += skb->len; 27.296 - np->stats.tx_packets++; 27.297 - 27.298 - spin_lock_irq(&np->tx_lock); 27.299 - if ( atomic_read(&np->tx_entries) >= TX_MAX_ENTRIES ) 27.300 - { 27.301 - np->tx_full = 1; 27.302 - netif_stop_queue(dev); 27.303 - } 27.304 - spin_unlock_irq(&np->tx_lock); 27.305 - 27.306 - network_tx_buf_gc(dev); 27.307 - 27.308 - HYPERVISOR_net_update(); 27.309 - 27.310 - return 0; 27.311 -} 27.312 - 27.313 - 27.314 -static void network_rx_int(int irq, void *dev_id, struct pt_regs *ptregs) 27.315 -{ 27.316 - unsigned int i; 27.317 - struct net_device *dev = (struct net_device *)dev_id; 27.318 - struct net_private *np = dev->priv; 27.319 - struct sk_buff *skb; 27.320 - rx_resp_entry_t *rx; 27.321 - 27.322 - again: 27.323 - for ( i = np->rx_resp_cons; 27.324 - i != np->net_idx->rx_resp_prod; 27.325 - i = RX_RING_INC(i) ) 27.326 - { 27.327 - rx = &np->net_ring->rx_ring[i].resp; 27.328 - 27.329 - skb = np->rx_skbs[rx->id]; 27.330 - ADD_ID_TO_FREELIST(np->rx_skbs, rx->id); 27.331 - 27.332 - if ( rx->status != RING_STATUS_OK ) 27.333 - { 27.334 - printk(KERN_ALERT "bad buffer on RX ring!(%d)\n", rx->status); 27.335 - dev_kfree_skb_any(skb); 27.336 - continue; 27.337 - } 27.338 - 27.339 - /* 27.340 - * Set up shinfo -- from alloc_skb This was particularily nasty: the 27.341 - * shared info is hidden at the back of the data area (presumably so it 27.342 - * can be shared), but on page flip it gets very spunked. 27.343 - */ 27.344 - atomic_set(&(skb_shinfo(skb)->dataref), 1); 27.345 - skb_shinfo(skb)->nr_frags = 0; 27.346 - skb_shinfo(skb)->frag_list = NULL; 27.347 - 27.348 - phys_to_machine_mapping[virt_to_phys(skb->head) >> PAGE_SHIFT] = 27.349 - (*(unsigned long *)get_ppte(skb->head)) >> PAGE_SHIFT; 27.350 - 27.351 - if ( rx->offset < 16 ) 27.352 - { 27.353 - printk(KERN_ALERT "need pkt offset >= 16 (got %d)\n", rx->offset); 27.354 - dev_kfree_skb_any(skb); 27.355 - continue; 27.356 - } 27.357 - 27.358 - skb_reserve(skb, rx->offset - 16); 27.359 - 27.360 - skb_put(skb, rx->size); 27.361 - skb->protocol = eth_type_trans(skb, dev); 27.362 - 27.363 - np->stats.rx_packets++; 27.364 - 27.365 - np->stats.rx_bytes += rx->size; 27.366 - netif_rx(skb); 27.367 - dev->last_rx = jiffies; 27.368 - } 27.369 - 27.370 - np->rx_resp_cons = i; 27.371 - 27.372 - network_alloc_rx_buffers(dev); 27.373 - 27.374 - /* Deal with hypervisor racing our resetting of rx_event. */ 27.375 - smp_mb(); 27.376 - if ( np->net_idx->rx_resp_prod != i ) goto again; 27.377 -} 27.378 - 27.379 - 27.380 -static void network_tx_int(int irq, void *dev_id, struct pt_regs *ptregs) 27.381 -{ 27.382 - struct net_device *dev = (struct net_device *)dev_id; 27.383 - network_tx_buf_gc(dev); 27.384 -} 27.385 - 27.386 - 27.387 -int network_close(struct net_device *dev) 27.388 -{ 27.389 - netif_stop_queue(dev); 27.390 - 27.391 - free_irq(NET_RX_IRQ, dev); 27.392 - free_irq(NET_TX_IRQ, dev); 27.393 - 27.394 - /* 27.395 - * XXXX This cannot be done safely until be have a proper interface 27.396 - * for setting up and tearing down virtual interfaces on the fly. 27.397 - * Currently the receive buffers are locked down by Xen and we have 27.398 - * no sensible way of retrieving them. 27.399 - */ 27.400 -#if 0 27.401 - network_free_rx_buffers(dev); 27.402 - kfree(np->net_ring->rx_ring); 27.403 - kfree(np->net_ring->tx_ring); 27.404 -#endif 27.405 - 27.406 - MOD_DEC_USE_COUNT; 27.407 - 27.408 - return 0; 27.409 -} 27.410 - 27.411 - 27.412 -static struct net_device_stats *network_get_stats(struct net_device *dev) 27.413 -{ 27.414 - struct net_private *np = (struct net_private *)dev->priv; 27.415 - return &np->stats; 27.416 -} 27.417 - 27.418 - 27.419 -/* 27.420 - * This notifier is installed for domain 0 only. 27.421 - * All other domains have VFR rules installed on their behalf by domain 0 27.422 - * when they are created. For bootstrap, Xen creates wildcard rules for 27.423 - * domain 0 -- this notifier is used to detect when we find our proper 27.424 - * IP address, so we can poke down proper rules and remove the wildcards. 27.425 - */ 27.426 -static int inetdev_notify(struct notifier_block *this, 27.427 - unsigned long event, 27.428 - void *ptr) 27.429 -{ 27.430 - struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 27.431 - struct net_device *dev = ifa->ifa_dev->dev; 27.432 - struct list_head *ent; 27.433 - struct net_private *np; 27.434 - int idx = -1; 27.435 - network_op_t op; 27.436 - static int removed_bootstrap_rules = 0; 27.437 - 27.438 - list_for_each ( ent, &dev_list ) 27.439 - { 27.440 - np = list_entry(dev_list.next, struct net_private, list); 27.441 - if ( np->dev == dev ) 27.442 - idx = np->idx; 27.443 - } 27.444 - 27.445 - if ( idx == -1 ) 27.446 - goto out; 27.447 - 27.448 - memset(&op, 0, sizeof(op)); 27.449 - op.u.net_rule.proto = NETWORK_PROTO_ANY; 27.450 - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; 27.451 - 27.452 - if ( event == NETDEV_UP ) 27.453 - op.cmd = NETWORK_OP_ADDRULE; 27.454 - else if ( event == NETDEV_DOWN ) 27.455 - op.cmd = NETWORK_OP_DELETERULE; 27.456 - else 27.457 - goto out; 27.458 - 27.459 - op.u.net_rule.src_vif = idx; 27.460 - op.u.net_rule.dst_vif = VIF_PHYSICAL_INTERFACE; 27.461 - op.u.net_rule.src_addr = ntohl(ifa->ifa_address); 27.462 - op.u.net_rule.src_addr_mask = ~0UL; 27.463 - op.u.net_rule.dst_addr = 0; 27.464 - op.u.net_rule.dst_addr_mask = 0; 27.465 - (void)HYPERVISOR_network_op(&op); 27.466 - 27.467 - op.u.net_rule.src_vif = VIF_ANY_INTERFACE; 27.468 - op.u.net_rule.dst_vif = idx; 27.469 - op.u.net_rule.src_addr = 0; 27.470 - op.u.net_rule.src_addr_mask = 0; 27.471 - op.u.net_rule.dst_addr = ntohl(ifa->ifa_address); 27.472 - op.u.net_rule.dst_addr_mask = ~0UL; 27.473 - (void)HYPERVISOR_network_op(&op); 27.474 - 27.475 - /* 27.476 - * When the first real interface is brought up we delete the start-of-day 27.477 - * bootstrap rules -- they were only installed to allow an initial DHCP 27.478 - * request and response. 27.479 - */ 27.480 - if ( (idx == 0) && (event == NETDEV_UP) && !removed_bootstrap_rules ) 27.481 - { 27.482 - memset(&op, 0, sizeof(op)); 27.483 - op.cmd = NETWORK_OP_DELETERULE; 27.484 - op.u.net_rule.proto = NETWORK_PROTO_ANY; 27.485 - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; 27.486 - op.u.net_rule.src_vif = 0; 27.487 - op.u.net_rule.dst_vif = VIF_PHYSICAL_INTERFACE; 27.488 - (void)HYPERVISOR_network_op(&op); 27.489 - op.u.net_rule.src_vif = VIF_ANY_INTERFACE; 27.490 - op.u.net_rule.dst_vif = 0; 27.491 - (void)HYPERVISOR_network_op(&op); 27.492 - 27.493 - removed_bootstrap_rules = 1; 27.494 - } 27.495 - 27.496 - out: 27.497 - return NOTIFY_DONE; 27.498 -} 27.499 - 27.500 -static struct notifier_block notifier_inetdev = { 27.501 - .notifier_call = inetdev_notify, 27.502 - .next = NULL, 27.503 - .priority = 0 27.504 -}; 27.505 - 27.506 - 27.507 -int __init init_module(void) 27.508 -{ 27.509 - int i, fixmap_idx=-1, err; 27.510 - struct net_device *dev; 27.511 - struct net_private *np; 27.512 - 27.513 - INIT_LIST_HEAD(&dev_list); 27.514 - 27.515 - if ( start_info.dom_id == 0 ) 27.516 - { 27.517 - /* 27.518 - * Domain 0 creates wildcard rules to allow DHCP to find its first IP 27.519 - * address. These wildcard rules are deleted when the first inet 27.520 - * interface is brought up. 27.521 - */ 27.522 - network_op_t op; 27.523 - memset(&op, 0, sizeof(op)); 27.524 - op.cmd = NETWORK_OP_ADDRULE; 27.525 - op.u.net_rule.proto = NETWORK_PROTO_ANY; 27.526 - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; 27.527 - op.u.net_rule.src_vif = 0; 27.528 - op.u.net_rule.dst_vif = VIF_PHYSICAL_INTERFACE; 27.529 - (void)HYPERVISOR_network_op(&op); 27.530 - op.u.net_rule.src_vif = VIF_ANY_INTERFACE; 27.531 - op.u.net_rule.dst_vif = 0; 27.532 - (void)HYPERVISOR_network_op(&op); 27.533 - 27.534 - /* 27.535 - * Domain 0 must poke its own network rules as it discovers its IP 27.536 - * addresses. All other domains have a privileged "parent" to do this 27.537 - * for them at start of day. 27.538 - */ 27.539 - (void)register_inetaddr_notifier(¬ifier_inetdev); 27.540 - } 27.541 - 27.542 - for ( i = 0; i < MAX_DOMAIN_VIFS; i++ ) 27.543 - { 27.544 - if ( start_info.net_rings[i] == 0 ) 27.545 - continue; 27.546 - 27.547 - /* We actually only support up to 4 vifs right now. */ 27.548 - if ( ++fixmap_idx == 4 ) 27.549 - break; 27.550 - 27.551 - dev = alloc_etherdev(sizeof(struct net_private)); 27.552 - if ( dev == NULL ) 27.553 - { 27.554 - err = -ENOMEM; 27.555 - goto fail; 27.556 - } 27.557 - 27.558 - set_fixmap(FIX_NETRING0_BASE+fixmap_idx, start_info.net_rings[i]); 27.559 - 27.560 - np = dev->priv; 27.561 - np->net_ring = (net_ring_t *)fix_to_virt(FIX_NETRING0_BASE+fixmap_idx); 27.562 - np->net_idx = &HYPERVISOR_shared_info->net_idx[i]; 27.563 - np->idx = i; 27.564 - 27.565 - SET_MODULE_OWNER(dev); 27.566 - dev->open = network_open; 27.567 - dev->hard_start_xmit = network_start_xmit; 27.568 - dev->stop = network_close; 27.569 - dev->get_stats = network_get_stats; 27.570 - 27.571 - memcpy(dev->dev_addr, start_info.net_vmac[i], ETH_ALEN); 27.572 - 27.573 - if ( (err = register_netdev(dev)) != 0 ) 27.574 - { 27.575 - kfree(dev); 27.576 - goto fail; 27.577 - } 27.578 - 27.579 - np->dev = dev; 27.580 - list_add(&np->list, &dev_list); 27.581 - } 27.582 - 27.583 - return 0; 27.584 - 27.585 - fail: 27.586 - cleanup_module(); 27.587 - return err; 27.588 -} 27.589 - 27.590 - 27.591 -static void cleanup_module(void) 27.592 -{ 27.593 - struct net_private *np; 27.594 - struct net_device *dev; 27.595 - 27.596 - while ( !list_empty(&dev_list) ) 27.597 - { 27.598 - np = list_entry(dev_list.next, struct net_private, list); 27.599 - list_del(&np->list); 27.600 - dev = np->dev; 27.601 - unregister_netdev(dev); 27.602 - kfree(dev); 27.603 - } 27.604 - 27.605 - if ( start_info.dom_id == 0 ) 27.606 - (void)unregister_inetaddr_notifier(¬ifier_inetdev); 27.607 -} 27.608 - 27.609 - 27.610 -module_init(init_module); 27.611 -module_exit(cleanup_module);
28.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/Makefile Tue Jun 24 12:05:12 2003 +0000 28.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 28.3 @@ -1,15 +0,0 @@ 28.4 - 28.5 -.S.o: 28.6 - $(CC) $(AFLAGS) -traditional -c $< -o $*.o 28.7 - 28.8 -all: kernel.o head.o init_task.o 28.9 - 28.10 -O_TARGET := kernel.o 28.11 - 28.12 -export-objs := i386_ksyms.o 28.13 - 28.14 -obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ 28.15 - ptrace.o ioport.o ldt.o setup.o time.o sys_i386.o \ 28.16 - i386_ksyms.o i387.o hypervisor.o 28.17 - 28.18 -include $(TOPDIR)/Rules.make
29.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/entry.S Tue Jun 24 12:05:12 2003 +0000 29.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 29.3 @@ -1,773 +0,0 @@ 29.4 -/* 29.5 - * linux/arch/i386/entry.S 29.6 - * 29.7 - * Copyright (C) 1991, 1992 Linus Torvalds 29.8 - */ 29.9 - 29.10 -/* 29.11 - * entry.S contains the system-call and fault low-level handling routines. 29.12 - * This also contains the timer-interrupt handler, as well as all interrupts 29.13 - * and faults that can result in a task-switch. 29.14 - * 29.15 - * NOTE: This code handles signal-recognition, which happens every time 29.16 - * after a timer-interrupt and after each system call. 29.17 - * 29.18 - * I changed all the .align's to 4 (16 byte alignment), as that's faster 29.19 - * on a 486. 29.20 - * 29.21 - * Stack layout in 'ret_from_system_call': 29.22 - * ptrace needs to have all regs on the stack. 29.23 - * if the order here is changed, it needs to be 29.24 - * updated in fork.c:copy_process, signal.c:do_signal, 29.25 - * ptrace.c and ptrace.h 29.26 - * 29.27 - * 0(%esp) - %ebx 29.28 - * 4(%esp) - %ecx 29.29 - * 8(%esp) - %edx 29.30 - * C(%esp) - %esi 29.31 - * 10(%esp) - %edi 29.32 - * 14(%esp) - %ebp 29.33 - * 18(%esp) - %eax 29.34 - * 1C(%esp) - %ds 29.35 - * 20(%esp) - %es 29.36 - * 24(%esp) - orig_eax 29.37 - * 28(%esp) - %eip 29.38 - * 2C(%esp) - %cs 29.39 - * 30(%esp) - %eflags 29.40 - * 34(%esp) - %oldesp 29.41 - * 38(%esp) - %oldss 29.42 - * 29.43 - * "current" is in register %ebx during any slow entries. 29.44 - */ 29.45 - 29.46 -#include <linux/config.h> 29.47 -#include <linux/sys.h> 29.48 -#include <linux/linkage.h> 29.49 -#include <asm/segment.h> 29.50 -#include <asm/smp.h> 29.51 - 29.52 -EBX = 0x00 29.53 -ECX = 0x04 29.54 -EDX = 0x08 29.55 -ESI = 0x0C 29.56 -EDI = 0x10 29.57 -EBP = 0x14 29.58 -EAX = 0x18 29.59 -DS = 0x1C 29.60 -ES = 0x20 29.61 -ORIG_EAX = 0x24 29.62 -EIP = 0x28 29.63 -CS = 0x2C 29.64 -EFLAGS = 0x30 29.65 -OLDESP = 0x34 29.66 -OLDSS = 0x38 29.67 - 29.68 -CF_MASK = 0x00000001 29.69 -TF_MASK = 0x00000100 29.70 -IF_MASK = 0x00000200 29.71 -DF_MASK = 0x00000400 29.72 -NT_MASK = 0x00004000 29.73 - 29.74 -/* 29.75 - * these are offsets into the task-struct. 29.76 - */ 29.77 -state = 0 29.78 -flags = 4 29.79 -sigpending = 8 29.80 -addr_limit = 12 29.81 -exec_domain = 16 29.82 -need_resched = 20 29.83 -tsk_ptrace = 24 29.84 -processor = 52 29.85 - 29.86 -ENOSYS = 38 29.87 - 29.88 - 29.89 -#define SAVE_ALL \ 29.90 - cld; \ 29.91 - pushl %es; \ 29.92 - pushl %ds; \ 29.93 - pushl %eax; \ 29.94 - pushl %ebp; \ 29.95 - pushl %edi; \ 29.96 - pushl %esi; \ 29.97 - pushl %edx; \ 29.98 - pushl %ecx; \ 29.99 - pushl %ebx; \ 29.100 - movl $(__KERNEL_DS),%edx; \ 29.101 - movl %edx,%ds; \ 29.102 - movl %edx,%es; 29.103 - 29.104 -#define RESTORE_ALL \ 29.105 - popl %ebx; \ 29.106 - popl %ecx; \ 29.107 - popl %edx; \ 29.108 - popl %esi; \ 29.109 - popl %edi; \ 29.110 - popl %ebp; \ 29.111 - popl %eax; \ 29.112 -1: popl %ds; \ 29.113 -2: popl %es; \ 29.114 - addl $4,%esp; \ 29.115 -3: iret; \ 29.116 -.section .fixup,"ax"; \ 29.117 -4: movl $0,(%esp); \ 29.118 - jmp 1b; \ 29.119 -5: movl $0,(%esp); \ 29.120 - jmp 2b; \ 29.121 -6: pushl %ss; \ 29.122 - popl %ds; \ 29.123 - pushl %ss; \ 29.124 - popl %es; \ 29.125 - pushl $11; \ 29.126 - call do_exit; \ 29.127 -.previous; \ 29.128 -.section __ex_table,"a";\ 29.129 - .align 4; \ 29.130 - .long 1b,4b; \ 29.131 - .long 2b,5b; \ 29.132 - .long 3b,6b; \ 29.133 -.previous 29.134 - 29.135 -#define GET_CURRENT(reg) \ 29.136 - movl $-8192, reg; \ 29.137 - andl %esp, reg 29.138 - 29.139 -ENTRY(lcall7) 29.140 - pushfl # We get a different stack layout with call 29.141 - pushl %eax # gates, which has to be cleaned up later.. 29.142 - SAVE_ALL 29.143 - movl EIP(%esp),%eax # due to call gates, this is eflags, not eip.. 29.144 - movl CS(%esp),%edx # this is eip.. 29.145 - movl EFLAGS(%esp),%ecx # and this is cs.. 29.146 - movl %eax,EFLAGS(%esp) # 29.147 - andl $~(NT_MASK|TF_MASK|DF_MASK), %eax 29.148 - pushl %eax 29.149 - popfl 29.150 - movl %edx,EIP(%esp) # Now we move them to their "normal" places 29.151 - movl %ecx,CS(%esp) # 29.152 - movl %esp,%ebx 29.153 - pushl %ebx 29.154 - andl $-8192,%ebx # GET_CURRENT 29.155 - movl exec_domain(%ebx),%edx # Get the execution domain 29.156 - movl 4(%edx),%edx # Get the lcall7 handler for the domain 29.157 - pushl $0x7 29.158 - call *%edx 29.159 - addl $4, %esp 29.160 - popl %eax 29.161 - jmp ret_from_sys_call 29.162 - 29.163 -ENTRY(lcall27) 29.164 - pushfl # We get a different stack layout with call 29.165 - pushl %eax # gates, which has to be cleaned up later.. 29.166 - SAVE_ALL 29.167 - movl EIP(%esp),%eax # due to call gates, this is eflags, not eip.. 29.168 - movl CS(%esp),%edx # this is eip.. 29.169 - movl EFLAGS(%esp),%ecx # and this is cs.. 29.170 - movl %eax,EFLAGS(%esp) # 29.171 - andl $~(NT_MASK|TF_MASK|DF_MASK), %eax 29.172 - pushl %eax 29.173 - popfl 29.174 - movl %edx,EIP(%esp) # Now we move them to their "normal" places 29.175 - movl %ecx,CS(%esp) # 29.176 - movl %esp,%ebx 29.177 - pushl %ebx 29.178 - andl $-8192,%ebx # GET_CURRENT 29.179 - movl exec_domain(%ebx),%edx # Get the execution domain 29.180 - movl 4(%edx),%edx # Get the lcall7 handler for the domain 29.181 - pushl $0x27 29.182 - call *%edx 29.183 - addl $4, %esp 29.184 - popl %eax 29.185 - jmp ret_from_sys_call 29.186 - 29.187 - 29.188 -ENTRY(ret_from_fork) 29.189 - pushl %ebx 29.190 - call SYMBOL_NAME(schedule_tail) 29.191 - addl $4, %esp 29.192 - GET_CURRENT(%ebx) 29.193 - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS 29.194 - jne tracesys_exit 29.195 - jmp ret_from_sys_call 29.196 - 29.197 -/* 29.198 - * Return to user mode is not as complex as all this looks, 29.199 - * but we want the default path for a system call return to 29.200 - * go as quickly as possible which is why some of this is 29.201 - * less clear than it otherwise should be. 29.202 - */ 29.203 - 29.204 -ENTRY(system_call) 29.205 - pushl %eax # save orig_eax 29.206 - SAVE_ALL 29.207 - GET_CURRENT(%ebx) 29.208 - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS 29.209 - jne tracesys 29.210 - cmpl $(NR_syscalls),%eax 29.211 - jae badsys 29.212 - call *SYMBOL_NAME(sys_call_table)(,%eax,4) 29.213 - movl %eax,EAX(%esp) # save the return value 29.214 -ENTRY(ret_from_sys_call) 29.215 - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi 29.216 - btrl $EVENTS_MASTER_ENABLE_BIT,4(%esi) # make tests atomic 29.217 -ret_syscall_tests: 29.218 - cmpl $0,need_resched(%ebx) 29.219 - jne reschedule 29.220 - cmpl $0,sigpending(%ebx) 29.221 - je safesti # ensure need_resched updates are seen 29.222 -signal_return: 29.223 - btsl $EVENTS_MASTER_ENABLE_BIT,4(%esi) # reenable event callbacks 29.224 - movl %esp,%eax 29.225 - xorl %edx,%edx 29.226 - call SYMBOL_NAME(do_signal) 29.227 - jmp ret_from_sys_call 29.228 - 29.229 - ALIGN 29.230 -restore_all: 29.231 - RESTORE_ALL 29.232 - 29.233 - ALIGN 29.234 -tracesys: 29.235 - movl $-ENOSYS,EAX(%esp) 29.236 - call SYMBOL_NAME(syscall_trace) 29.237 - movl ORIG_EAX(%esp),%eax 29.238 - cmpl $(NR_syscalls),%eax 29.239 - jae tracesys_exit 29.240 - call *SYMBOL_NAME(sys_call_table)(,%eax,4) 29.241 - movl %eax,EAX(%esp) # save the return value 29.242 -tracesys_exit: 29.243 - call SYMBOL_NAME(syscall_trace) 29.244 - jmp ret_from_sys_call 29.245 -badsys: 29.246 - movl $-ENOSYS,EAX(%esp) 29.247 - jmp ret_from_sys_call 29.248 - 29.249 - ALIGN 29.250 -ENTRY(ret_from_intr) 29.251 - GET_CURRENT(%ebx) 29.252 -ret_from_exception: 29.253 - movb CS(%esp),%al 29.254 - testl $2,%eax 29.255 - jne ret_from_sys_call 29.256 - jmp restore_all 29.257 - 29.258 - ALIGN 29.259 -reschedule: 29.260 - btsl $EVENTS_MASTER_ENABLE_BIT,4(%esi) # reenable event callbacks 29.261 - call SYMBOL_NAME(schedule) # test 29.262 - jmp ret_from_sys_call 29.263 - 29.264 -ENTRY(divide_error) 29.265 - pushl $0 # no error code 29.266 - pushl $ SYMBOL_NAME(do_divide_error) 29.267 - ALIGN 29.268 -error_code: 29.269 - pushl %ds 29.270 - pushl %eax 29.271 - xorl %eax,%eax 29.272 - pushl %ebp 29.273 - pushl %edi 29.274 - pushl %esi 29.275 - pushl %edx 29.276 - decl %eax # eax = -1 29.277 - pushl %ecx 29.278 - pushl %ebx 29.279 - GET_CURRENT(%ebx) 29.280 - cld 29.281 - movl %es,%ecx 29.282 - movl ORIG_EAX(%esp), %esi # get the error code 29.283 - movl ES(%esp), %edi # get the function address 29.284 - movl %eax, ORIG_EAX(%esp) 29.285 - movl %ecx, ES(%esp) 29.286 - movl %esp,%edx 29.287 - pushl %esi # push the error code 29.288 - pushl %edx # push the pt_regs pointer 29.289 - movl $(__KERNEL_DS),%edx 29.290 - movl %edx,%ds 29.291 - movl %edx,%es 29.292 - call *%edi 29.293 - addl $8,%esp 29.294 - jmp ret_from_exception 29.295 - 29.296 -# A note on the "critical region" in our callback handler. 29.297 -# We want to avoid stacking callback handlers due to events occurring 29.298 -# during handling of the last event. To do this, we keep events disabled 29.299 -# until we've done all processing. HOWEVER, we must enable events before 29.300 -# popping the stack frame (can't be done atomically) and so it would still 29.301 -# be possible to get enough handler activations to overflow the stack. 29.302 -# Although unlikely, bugs of that kind are hard to track down, so we'd 29.303 -# like to avoid the possibility. 29.304 -# So, on entry to the handler we detect whether we interrupted an 29.305 -# existing activation in its critical region -- if so, we pop the current 29.306 -# activation and restart the handler using the previous one. 29.307 -ENTRY(hypervisor_callback) 29.308 - pushl %eax 29.309 - SAVE_ALL 29.310 - GET_CURRENT(%ebx) 29.311 - movl EIP(%esp),%eax 29.312 - cmpl $scrit,%eax 29.313 - jb 11f 29.314 - cmpl $ecrit,%eax 29.315 - jb critical_region_fixup 29.316 -11: push %esp 29.317 - call do_hypervisor_callback 29.318 - add $4,%esp 29.319 - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi 29.320 - xorl %eax,%eax 29.321 - movb CS(%esp),%cl 29.322 - test $2,%cl # slow return to ring 2 or 3 29.323 - jne ret_syscall_tests 29.324 -safesti:btsl $EVENTS_MASTER_ENABLE_BIT,4(%esi) # reenable event callbacks 29.325 -scrit: /**** START OF CRITICAL REGION ****/ 29.326 - cmpl %eax,(%esi) 29.327 - jne 14f # process more events if necessary... 29.328 - RESTORE_ALL 29.329 -14: btrl $EVENTS_MASTER_ENABLE_BIT,4(%esi) 29.330 - jmp 11b 29.331 -ecrit: /**** END OF CRITICAL REGION ****/ 29.332 -# [How we do the fixup]. We want to merge the current stack frame with the 29.333 -# just-interrupted frame. How we do this depends on where in the critical 29.334 -# region the interrupted handler was executing, and so how many saved 29.335 -# registers are in each frame. We do this quickly using the lookup table 29.336 -# 'critical_fixup_table'. For each byte offset in the critical region, it 29.337 -# provides the number of bytes which have already been popped from the 29.338 -# interrupted stack frame. 29.339 -critical_region_fixup: 29.340 - addl $critical_fixup_table-scrit,%eax 29.341 - movzbl (%eax),%eax # %eax contains num bytes popped 29.342 - mov %esp,%esi 29.343 - add %eax,%esi # %esi points at end of src region 29.344 - mov %esp,%edi 29.345 - add $0x34,%edi # %edi points at end of dst region 29.346 - mov %eax,%ecx 29.347 - shr $2,%ecx # convert words to bytes 29.348 - je 16f # skip loop if nothing to copy 29.349 -15: subl $4,%esi # pre-decrementing copy loop 29.350 - subl $4,%edi 29.351 - movl (%esi),%eax 29.352 - movl %eax,(%edi) 29.353 - loop 15b 29.354 -16: movl %edi,%esp # final %edi is top of merged stack 29.355 - jmp 11b 29.356 - 29.357 -critical_fixup_table: 29.358 - .byte 0x00,0x00 # cmpl %eax,(%esi) 29.359 - .byte 0x00,0x00 # jne 14f 29.360 - .byte 0x00 # pop %ebx 29.361 - .byte 0x04 # pop %ecx 29.362 - .byte 0x08 # pop %edx 29.363 - .byte 0x0c # pop %esi 29.364 - .byte 0x10 # pop %edi 29.365 - .byte 0x14 # pop %ebp 29.366 - .byte 0x18 # pop %eax 29.367 - .byte 0x1c # pop %ds 29.368 - .byte 0x20 # pop %es 29.369 - .byte 0x24,0x24,0x24 # add $4,%esp 29.370 - .byte 0x28 # iret 29.371 - .byte 0x00,0x00,0x00,0x00,0x00 # btrl $31,4(%esi) 29.372 - .byte 0x00,0x00 # jmp 11b 29.373 - 29.374 -# Hypervisor uses this for application faults while it executes. 29.375 -ENTRY(failsafe_callback) 29.376 -1: pop %ds 29.377 -2: pop %es 29.378 -3: pop %fs 29.379 -4: pop %gs 29.380 -5: iret 29.381 -.section .fixup,"ax"; \ 29.382 -6: movl $0,(%esp); \ 29.383 - jmp 1b; \ 29.384 -7: movl $0,(%esp); \ 29.385 - jmp 2b; \ 29.386 -8: movl $0,(%esp); \ 29.387 - jmp 3b; \ 29.388 -9: movl $0,(%esp); \ 29.389 - jmp 4b; \ 29.390 -10: pushl %ss; \ 29.391 - popl %ds; \ 29.392 - pushl %ss; \ 29.393 - popl %es; \ 29.394 - pushl $11; \ 29.395 - call do_exit; \ 29.396 -.previous; \ 29.397 -.section __ex_table,"a";\ 29.398 - .align 4; \ 29.399 - .long 1b,6b; \ 29.400 - .long 2b,7b; \ 29.401 - .long 3b,8b; \ 29.402 - .long 4b,9b; \ 29.403 - .long 5b,10b; \ 29.404 -.previous 29.405 - 29.406 -ENTRY(coprocessor_error) 29.407 - pushl $0 29.408 - pushl $ SYMBOL_NAME(do_coprocessor_error) 29.409 - jmp error_code 29.410 - 29.411 -ENTRY(simd_coprocessor_error) 29.412 - pushl $0 29.413 - pushl $ SYMBOL_NAME(do_simd_coprocessor_error) 29.414 - jmp error_code 29.415 - 29.416 -ENTRY(device_not_available) 29.417 - pushl $-1 # mark this as an int 29.418 - SAVE_ALL 29.419 - GET_CURRENT(%ebx) 29.420 - call SYMBOL_NAME(math_state_restore) 29.421 - jmp ret_from_exception 29.422 - 29.423 -ENTRY(debug) 29.424 - pushl $0 29.425 - pushl $ SYMBOL_NAME(do_debug) 29.426 - jmp error_code 29.427 - 29.428 -ENTRY(int3) 29.429 - pushl $0 29.430 - pushl $ SYMBOL_NAME(do_int3) 29.431 - jmp error_code 29.432 - 29.433 -ENTRY(overflow) 29.434 - pushl $0 29.435 - pushl $ SYMBOL_NAME(do_overflow) 29.436 - jmp error_code 29.437 - 29.438 -ENTRY(bounds) 29.439 - pushl $0 29.440 - pushl $ SYMBOL_NAME(do_bounds) 29.441 - jmp error_code 29.442 - 29.443 -ENTRY(invalid_op) 29.444 - pushl $0 29.445 - pushl $ SYMBOL_NAME(do_invalid_op) 29.446 - jmp error_code 29.447 - 29.448 -ENTRY(coprocessor_segment_overrun) 29.449 - pushl $0 29.450 - pushl $ SYMBOL_NAME(do_coprocessor_segment_overrun) 29.451 - jmp error_code 29.452 - 29.453 -ENTRY(double_fault) 29.454 - pushl $ SYMBOL_NAME(do_double_fault) 29.455 - jmp error_code 29.456 - 29.457 -ENTRY(invalid_TSS) 29.458 - pushl $ SYMBOL_NAME(do_invalid_TSS) 29.459 - jmp error_code 29.460 - 29.461 -ENTRY(segment_not_present) 29.462 - pushl $ SYMBOL_NAME(do_segment_not_present) 29.463 - jmp error_code 29.464 - 29.465 -ENTRY(stack_segment) 29.466 - pushl $ SYMBOL_NAME(do_stack_segment) 29.467 - jmp error_code 29.468 - 29.469 -ENTRY(general_protection) 29.470 - pushl $ SYMBOL_NAME(do_general_protection) 29.471 - jmp error_code 29.472 - 29.473 -ENTRY(alignment_check) 29.474 - pushl $ SYMBOL_NAME(do_alignment_check) 29.475 - jmp error_code 29.476 - 29.477 -# This handler is special, because it gets an extra value on its stack, 29.478 -# which is the linear faulting address. 29.479 -ENTRY(page_fault) 29.480 - pushl %ds 29.481 - pushl %eax 29.482 - xorl %eax,%eax 29.483 - pushl %ebp 29.484 - pushl %edi 29.485 - pushl %esi 29.486 - pushl %edx 29.487 - decl %eax # eax = -1 29.488 - pushl %ecx 29.489 - pushl %ebx 29.490 - GET_CURRENT(%ebx) 29.491 - cld 29.492 - movl %es,%ecx 29.493 - movl ORIG_EAX(%esp), %esi # get the error code 29.494 - movl ES(%esp), %edi # get the faulting address 29.495 - movl %eax, ORIG_EAX(%esp) 29.496 - movl %ecx, ES(%esp) 29.497 - movl %esp,%edx 29.498 - pushl %edi # push the faulting address 29.499 - pushl %esi # push the error code 29.500 - pushl %edx # push the pt_regs pointer 29.501 - movl $(__KERNEL_DS),%edx 29.502 - movl %edx,%ds 29.503 - movl %edx,%es 29.504 - call SYMBOL_NAME(do_page_fault) 29.505 - addl $12,%esp 29.506 - jmp ret_from_exception 29.507 - 29.508 -ENTRY(machine_check) 29.509 - pushl $0 29.510 - pushl $ SYMBOL_NAME(do_machine_check) 29.511 - jmp error_code 29.512 - 29.513 -ENTRY(spurious_interrupt_bug) 29.514 - pushl $0 29.515 - pushl $ SYMBOL_NAME(do_spurious_interrupt_bug) 29.516 - jmp error_code 29.517 - 29.518 -.data 29.519 -ENTRY(sys_call_table) 29.520 - .long SYMBOL_NAME(sys_ni_syscall) /* 0 - old "setup()" system call*/ 29.521 - .long SYMBOL_NAME(sys_exit) 29.522 - .long SYMBOL_NAME(sys_fork) 29.523 - .long SYMBOL_NAME(sys_read) 29.524 - .long SYMBOL_NAME(sys_write) 29.525 - .long SYMBOL_NAME(sys_open) /* 5 */ 29.526 - .long SYMBOL_NAME(sys_close) 29.527 - .long SYMBOL_NAME(sys_waitpid) 29.528 - .long SYMBOL_NAME(sys_creat) 29.529 - .long SYMBOL_NAME(sys_link) 29.530 - .long SYMBOL_NAME(sys_unlink) /* 10 */ 29.531 - .long SYMBOL_NAME(sys_execve) 29.532 - .long SYMBOL_NAME(sys_chdir) 29.533 - .long SYMBOL_NAME(sys_time) 29.534 - .long SYMBOL_NAME(sys_mknod) 29.535 - .long SYMBOL_NAME(sys_chmod) /* 15 */ 29.536 - .long SYMBOL_NAME(sys_lchown16) 29.537 - .long SYMBOL_NAME(sys_ni_syscall) /* old break syscall holder */ 29.538 - .long SYMBOL_NAME(sys_stat) 29.539 - .long SYMBOL_NAME(sys_lseek) 29.540 - .long SYMBOL_NAME(sys_getpid) /* 20 */ 29.541 - .long SYMBOL_NAME(sys_mount) 29.542 - .long SYMBOL_NAME(sys_oldumount) 29.543 - .long SYMBOL_NAME(sys_setuid16) 29.544 - .long SYMBOL_NAME(sys_getuid16) 29.545 - .long SYMBOL_NAME(sys_stime) /* 25 */ 29.546 - .long SYMBOL_NAME(sys_ptrace) 29.547 - .long SYMBOL_NAME(sys_alarm) 29.548 - .long SYMBOL_NAME(sys_fstat) 29.549 - .long SYMBOL_NAME(sys_pause) 29.550 - .long SYMBOL_NAME(sys_utime) /* 30 */ 29.551 - .long SYMBOL_NAME(sys_ni_syscall) /* old stty syscall holder */ 29.552 - .long SYMBOL_NAME(sys_ni_syscall) /* old gtty syscall holder */ 29.553 - .long SYMBOL_NAME(sys_access) 29.554 - .long SYMBOL_NAME(sys_nice) 29.555 - .long SYMBOL_NAME(sys_ni_syscall) /* 35 */ /* old ftime syscall holder */ 29.556 - .long SYMBOL_NAME(sys_sync) 29.557 - .long SYMBOL_NAME(sys_kill) 29.558 - .long SYMBOL_NAME(sys_rename) 29.559 - .long SYMBOL_NAME(sys_mkdir) 29.560 - .long SYMBOL_NAME(sys_rmdir) /* 40 */ 29.561 - .long SYMBOL_NAME(sys_dup) 29.562 - .long SYMBOL_NAME(sys_pipe) 29.563 - .long SYMBOL_NAME(sys_times) 29.564 - .long SYMBOL_NAME(sys_ni_syscall) /* old prof syscall holder */ 29.565 - .long SYMBOL_NAME(sys_brk) /* 45 */ 29.566 - .long SYMBOL_NAME(sys_setgid16) 29.567 - .long SYMBOL_NAME(sys_getgid16) 29.568 - .long SYMBOL_NAME(sys_signal) 29.569 - .long SYMBOL_NAME(sys_geteuid16) 29.570 - .long SYMBOL_NAME(sys_getegid16) /* 50 */ 29.571 - .long SYMBOL_NAME(sys_acct) 29.572 - .long SYMBOL_NAME(sys_umount) /* recycled never used phys() */ 29.573 - .long SYMBOL_NAME(sys_ni_syscall) /* old lock syscall holder */ 29.574 - .long SYMBOL_NAME(sys_ioctl) 29.575 - .long SYMBOL_NAME(sys_fcntl) /* 55 */ 29.576 - .long SYMBOL_NAME(sys_ni_syscall) /* old mpx syscall holder */ 29.577 - .long SYMBOL_NAME(sys_setpgid) 29.578 - .long SYMBOL_NAME(sys_ni_syscall) /* old ulimit syscall holder */ 29.579 - .long SYMBOL_NAME(sys_olduname) 29.580 - .long SYMBOL_NAME(sys_umask) /* 60 */ 29.581 - .long SYMBOL_NAME(sys_chroot) 29.582 - .long SYMBOL_NAME(sys_ustat) 29.583 - .long SYMBOL_NAME(sys_dup2) 29.584 - .long SYMBOL_NAME(sys_getppid) 29.585 - .long SYMBOL_NAME(sys_getpgrp) /* 65 */ 29.586 - .long SYMBOL_NAME(sys_setsid) 29.587 - .long SYMBOL_NAME(sys_sigaction) 29.588 - .long SYMBOL_NAME(sys_sgetmask) 29.589 - .long SYMBOL_NAME(sys_ssetmask) 29.590 - .long SYMBOL_NAME(sys_setreuid16) /* 70 */ 29.591 - .long SYMBOL_NAME(sys_setregid16) 29.592 - .long SYMBOL_NAME(sys_sigsuspend) 29.593 - .long SYMBOL_NAME(sys_sigpending) 29.594 - .long SYMBOL_NAME(sys_sethostname) 29.595 - .long SYMBOL_NAME(sys_setrlimit) /* 75 */ 29.596 - .long SYMBOL_NAME(sys_old_getrlimit) 29.597 - .long SYMBOL_NAME(sys_getrusage) 29.598 - .long SYMBOL_NAME(sys_gettimeofday) 29.599 - .long SYMBOL_NAME(sys_settimeofday) 29.600 - .long SYMBOL_NAME(sys_getgroups16) /* 80 */ 29.601 - .long SYMBOL_NAME(sys_setgroups16) 29.602 - .long SYMBOL_NAME(old_select) 29.603 - .long SYMBOL_NAME(sys_symlink) 29.604 - .long SYMBOL_NAME(sys_lstat) 29.605 - .long SYMBOL_NAME(sys_readlink) /* 85 */ 29.606 - .long SYMBOL_NAME(sys_uselib) 29.607 - .long SYMBOL_NAME(sys_swapon) 29.608 - .long SYMBOL_NAME(sys_reboot) 29.609 - .long SYMBOL_NAME(old_readdir) 29.610 - .long SYMBOL_NAME(old_mmap) /* 90 */ 29.611 - .long SYMBOL_NAME(sys_munmap) 29.612 - .long SYMBOL_NAME(sys_truncate) 29.613 - .long SYMBOL_NAME(sys_ftruncate) 29.614 - .long SYMBOL_NAME(sys_fchmod) 29.615 - .long SYMBOL_NAME(sys_fchown16) /* 95 */ 29.616 - .long SYMBOL_NAME(sys_getpriority) 29.617 - .long SYMBOL_NAME(sys_setpriority) 29.618 - .long SYMBOL_NAME(sys_ni_syscall) /* old profil syscall holder */ 29.619 - .long SYMBOL_NAME(sys_statfs) 29.620 - .long SYMBOL_NAME(sys_fstatfs) /* 100 */ 29.621 - .long SYMBOL_NAME(sys_ioperm) 29.622 - .long SYMBOL_NAME(sys_socketcall) 29.623 - .long SYMBOL_NAME(sys_syslog) 29.624 - .long SYMBOL_NAME(sys_setitimer) 29.625 - .long SYMBOL_NAME(sys_getitimer) /* 105 */ 29.626 - .long SYMBOL_NAME(sys_newstat) 29.627 - .long SYMBOL_NAME(sys_newlstat) 29.628 - .long SYMBOL_NAME(sys_newfstat) 29.629 - .long SYMBOL_NAME(sys_uname) 29.630 - .long SYMBOL_NAME(sys_iopl) /* 110 */ 29.631 - .long SYMBOL_NAME(sys_vhangup) 29.632 - .long SYMBOL_NAME(sys_ni_syscall) /* old "idle" system call */ 29.633 - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ 29.634 - .long SYMBOL_NAME(sys_wait4) 29.635 - .long SYMBOL_NAME(sys_swapoff) /* 115 */ 29.636 - .long SYMBOL_NAME(sys_sysinfo) 29.637 - .long SYMBOL_NAME(sys_ipc) 29.638 - .long SYMBOL_NAME(sys_fsync) 29.639 - .long SYMBOL_NAME(sys_sigreturn) 29.640 - .long SYMBOL_NAME(sys_clone) /* 120 */ 29.641 - .long SYMBOL_NAME(sys_setdomainname) 29.642 - .long SYMBOL_NAME(sys_newuname) 29.643 - .long SYMBOL_NAME(sys_modify_ldt) 29.644 - .long SYMBOL_NAME(sys_adjtimex) 29.645 - .long SYMBOL_NAME(sys_mprotect) /* 125 */ 29.646 - .long SYMBOL_NAME(sys_sigprocmask) 29.647 - .long SYMBOL_NAME(sys_create_module) 29.648 - .long SYMBOL_NAME(sys_init_module) 29.649 - .long SYMBOL_NAME(sys_delete_module) 29.650 - .long SYMBOL_NAME(sys_get_kernel_syms) /* 130 */ 29.651 - .long SYMBOL_NAME(sys_quotactl) 29.652 - .long SYMBOL_NAME(sys_getpgid) 29.653 - .long SYMBOL_NAME(sys_fchdir) 29.654 - .long SYMBOL_NAME(sys_bdflush) 29.655 - .long SYMBOL_NAME(sys_sysfs) /* 135 */ 29.656 - .long SYMBOL_NAME(sys_personality) 29.657 - .long SYMBOL_NAME(sys_ni_syscall) /* for afs_syscall */ 29.658 - .long SYMBOL_NAME(sys_setfsuid16) 29.659 - .long SYMBOL_NAME(sys_setfsgid16) 29.660 - .long SYMBOL_NAME(sys_llseek) /* 140 */ 29.661 - .long SYMBOL_NAME(sys_getdents) 29.662 - .long SYMBOL_NAME(sys_select) 29.663 - .long SYMBOL_NAME(sys_flock) 29.664 - .long SYMBOL_NAME(sys_msync) 29.665 - .long SYMBOL_NAME(sys_readv) /* 145 */ 29.666 - .long SYMBOL_NAME(sys_writev) 29.667 - .long SYMBOL_NAME(sys_getsid) 29.668 - .long SYMBOL_NAME(sys_fdatasync) 29.669 - .long SYMBOL_NAME(sys_sysctl) 29.670 - .long SYMBOL_NAME(sys_mlock) /* 150 */ 29.671 - .long SYMBOL_NAME(sys_munlock) 29.672 - .long SYMBOL_NAME(sys_mlockall) 29.673 - .long SYMBOL_NAME(sys_munlockall) 29.674 - .long SYMBOL_NAME(sys_sched_setparam) 29.675 - .long SYMBOL_NAME(sys_sched_getparam) /* 155 */ 29.676 - .long SYMBOL_NAME(sys_sched_setscheduler) 29.677 - .long SYMBOL_NAME(sys_sched_getscheduler) 29.678 - .long SYMBOL_NAME(sys_sched_yield) 29.679 - .long SYMBOL_NAME(sys_sched_get_priority_max) 29.680 - .long SYMBOL_NAME(sys_sched_get_priority_min) /* 160 */ 29.681 - .long SYMBOL_NAME(sys_sched_rr_get_interval) 29.682 - .long SYMBOL_NAME(sys_nanosleep) 29.683 - .long SYMBOL_NAME(sys_mremap) 29.684 - .long SYMBOL_NAME(sys_setresuid16) 29.685 - .long SYMBOL_NAME(sys_getresuid16) /* 165 */ 29.686 - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ 29.687 - .long SYMBOL_NAME(sys_query_module) 29.688 - .long SYMBOL_NAME(sys_poll) 29.689 - .long SYMBOL_NAME(sys_nfsservctl) 29.690 - .long SYMBOL_NAME(sys_setresgid16) /* 170 */ 29.691 - .long SYMBOL_NAME(sys_getresgid16) 29.692 - .long SYMBOL_NAME(sys_prctl) 29.693 - .long SYMBOL_NAME(sys_rt_sigreturn) 29.694 - .long SYMBOL_NAME(sys_rt_sigaction) 29.695 - .long SYMBOL_NAME(sys_rt_sigprocmask) /* 175 */ 29.696 - .long SYMBOL_NAME(sys_rt_sigpending) 29.697 - .long SYMBOL_NAME(sys_rt_sigtimedwait) 29.698 - .long SYMBOL_NAME(sys_rt_sigqueueinfo) 29.699 - .long SYMBOL_NAME(sys_rt_sigsuspend) 29.700 - .long SYMBOL_NAME(sys_pread) /* 180 */ 29.701 - .long SYMBOL_NAME(sys_pwrite) 29.702 - .long SYMBOL_NAME(sys_chown16) 29.703 - .long SYMBOL_NAME(sys_getcwd) 29.704 - .long SYMBOL_NAME(sys_capget) 29.705 - .long SYMBOL_NAME(sys_capset) /* 185 */ 29.706 - .long SYMBOL_NAME(sys_sigaltstack) 29.707 - .long SYMBOL_NAME(sys_sendfile) 29.708 - .long SYMBOL_NAME(sys_ni_syscall) /* streams1 */ 29.709 - .long SYMBOL_NAME(sys_ni_syscall) /* streams2 */ 29.710 - .long SYMBOL_NAME(sys_vfork) /* 190 */ 29.711 - .long SYMBOL_NAME(sys_getrlimit) 29.712 - .long SYMBOL_NAME(sys_mmap2) 29.713 - .long SYMBOL_NAME(sys_truncate64) 29.714 - .long SYMBOL_NAME(sys_ftruncate64) 29.715 - .long SYMBOL_NAME(sys_stat64) /* 195 */ 29.716 - .long SYMBOL_NAME(sys_lstat64) 29.717 - .long SYMBOL_NAME(sys_fstat64) 29.718 - .long SYMBOL_NAME(sys_lchown) 29.719 - .long SYMBOL_NAME(sys_getuid) 29.720 - .long SYMBOL_NAME(sys_getgid) /* 200 */ 29.721 - .long SYMBOL_NAME(sys_geteuid) 29.722 - .long SYMBOL_NAME(sys_getegid) 29.723 - .long SYMBOL_NAME(sys_setreuid) 29.724 - .long SYMBOL_NAME(sys_setregid) 29.725 - .long SYMBOL_NAME(sys_getgroups) /* 205 */ 29.726 - .long SYMBOL_NAME(sys_setgroups) 29.727 - .long SYMBOL_NAME(sys_fchown) 29.728 - .long SYMBOL_NAME(sys_setresuid) 29.729 - .long SYMBOL_NAME(sys_getresuid) 29.730 - .long SYMBOL_NAME(sys_setresgid) /* 210 */ 29.731 - .long SYMBOL_NAME(sys_getresgid) 29.732 - .long SYMBOL_NAME(sys_chown) 29.733 - .long SYMBOL_NAME(sys_setuid) 29.734 - .long SYMBOL_NAME(sys_setgid) 29.735 - .long SYMBOL_NAME(sys_setfsuid) /* 215 */ 29.736 - .long SYMBOL_NAME(sys_setfsgid) 29.737 - .long SYMBOL_NAME(sys_pivot_root) 29.738 - .long SYMBOL_NAME(sys_mincore) 29.739 - .long SYMBOL_NAME(sys_madvise) 29.740 - .long SYMBOL_NAME(sys_getdents64) /* 220 */ 29.741 - .long SYMBOL_NAME(sys_fcntl64) 29.742 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for TUX */ 29.743 - .long SYMBOL_NAME(sys_ni_syscall) /* Reserved for Security */ 29.744 - .long SYMBOL_NAME(sys_gettid) 29.745 - .long SYMBOL_NAME(sys_readahead) /* 225 */ 29.746 - .long SYMBOL_NAME(sys_setxattr) 29.747 - .long SYMBOL_NAME(sys_lsetxattr) 29.748 - .long SYMBOL_NAME(sys_fsetxattr) 29.749 - .long SYMBOL_NAME(sys_getxattr) 29.750 - .long SYMBOL_NAME(sys_lgetxattr) /* 230 */ 29.751 - .long SYMBOL_NAME(sys_fgetxattr) 29.752 - .long SYMBOL_NAME(sys_listxattr) 29.753 - .long SYMBOL_NAME(sys_llistxattr) 29.754 - .long SYMBOL_NAME(sys_flistxattr) 29.755 - .long SYMBOL_NAME(sys_removexattr) /* 235 */ 29.756 - .long SYMBOL_NAME(sys_lremovexattr) 29.757 - .long SYMBOL_NAME(sys_fremovexattr) 29.758 - .long SYMBOL_NAME(sys_tkill) 29.759 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sendfile64 */ 29.760 - .long SYMBOL_NAME(sys_ni_syscall) /* 240 reserved for futex */ 29.761 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_setaffinity */ 29.762 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_getaffinity */ 29.763 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_set_thread_area */ 29.764 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_get_thread_area */ 29.765 - .long SYMBOL_NAME(sys_ni_syscall) /* 245 sys_io_setup */ 29.766 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_destroy */ 29.767 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_getevents */ 29.768 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_submit */ 29.769 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_cancel */ 29.770 - .long SYMBOL_NAME(sys_ni_syscall) /* 250 sys_alloc_hugepages */ 29.771 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_free_hugepages */ 29.772 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_exit_group */ 29.773 - 29.774 - .rept NR_syscalls-(.-sys_call_table)/4 29.775 - .long SYMBOL_NAME(sys_ni_syscall) 29.776 - .endr
30.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/head.S Tue Jun 24 12:05:12 2003 +0000 30.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 30.3 @@ -1,70 +0,0 @@ 30.4 - 30.5 -.text 30.6 -#include <linux/config.h> 30.7 -#include <linux/threads.h> 30.8 -#include <linux/linkage.h> 30.9 -#include <asm/segment.h> 30.10 -#include <asm/page.h> 30.11 -#include <asm/pgtable.h> 30.12 -#include <asm/desc.h> 30.13 - 30.14 -/* Offsets in start_info structure */ 30.15 -#define SHARED_INFO 4 30.16 -#define MOD_START 12 30.17 -#define MOD_LEN 16 30.18 - 30.19 -startup_32: 30.20 - cld 30.21 - 30.22 - lss stack_start,%esp 30.23 - 30.24 - /* Copy initrd somewhere safe before it's clobbered by BSS. */ 30.25 - mov MOD_LEN(%esi),%ecx 30.26 - shr $2,%ecx 30.27 - jz 2f /* bail from copy loop if no initrd */ 30.28 - mov $SYMBOL_NAME(_end),%edi 30.29 - add MOD_LEN(%esi),%edi 30.30 - mov MOD_START(%esi),%eax 30.31 - add MOD_LEN(%esi),%eax 30.32 -1: sub $4,%eax 30.33 - sub $4,%edi 30.34 - mov (%eax),%ebx 30.35 - mov %ebx,(%edi) 30.36 - loop 1b 30.37 - mov %edi,MOD_START(%esi) 30.38 - 30.39 - /* Clear BSS first so that there are no surprises... */ 30.40 -2: xorl %eax,%eax 30.41 - movl $SYMBOL_NAME(__bss_start),%edi 30.42 - movl $SYMBOL_NAME(_end),%ecx 30.43 - subl %edi,%ecx 30.44 - rep stosb 30.45 - 30.46 - /* Copy the necessary stuff from start_info structure. */ 30.47 - /* We need to copy shared_info early, so that sti/cli work */ 30.48 - mov SHARED_INFO(%esi),%eax 30.49 - mov %eax,SYMBOL_NAME(HYPERVISOR_shared_info) 30.50 - mov $SYMBOL_NAME(start_info_union),%edi 30.51 - mov $128,%ecx 30.52 - rep movsl 30.53 - 30.54 - jmp SYMBOL_NAME(start_kernel) 30.55 - 30.56 -ENTRY(stack_start) 30.57 - .long SYMBOL_NAME(init_task_union)+8192, __KERNEL_DS 30.58 - 30.59 -.org 0x1000 30.60 -ENTRY(empty_zero_page) 30.61 - 30.62 -.org 0x2000 30.63 -ENTRY(default_ldt) 30.64 - 30.65 -.org 0x3000 30.66 -ENTRY(cpu0_pte_quicklist) 30.67 - 30.68 -.org 0x3400 30.69 -ENTRY(cpu0_pgd_quicklist) 30.70 - 30.71 -.org 0x3800 30.72 -ENTRY(stext) 30.73 -ENTRY(_stext)
31.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/hypervisor.c Tue Jun 24 12:05:12 2003 +0000 31.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 31.3 @@ -1,128 +0,0 @@ 31.4 -/****************************************************************************** 31.5 - * hypervisor.c 31.6 - * 31.7 - * Communication to/from hypervisor. 31.8 - * 31.9 - * Copyright (c) 2002, K A Fraser 31.10 - */ 31.11 - 31.12 -#include <linux/config.h> 31.13 -#include <asm/atomic.h> 31.14 -#include <linux/irq.h> 31.15 -#include <asm/hypervisor.h> 31.16 -#include <asm/system.h> 31.17 -#include <asm/ptrace.h> 31.18 - 31.19 -multicall_entry_t multicall_list[8]; 31.20 -int nr_multicall_ents = 0; 31.21 - 31.22 -static unsigned long event_mask = 0; 31.23 - 31.24 -void frobb(void) {} 31.25 - 31.26 -void do_hypervisor_callback(struct pt_regs *regs) 31.27 -{ 31.28 - unsigned long events, flags; 31.29 - shared_info_t *shared = HYPERVISOR_shared_info; 31.30 - 31.31 - do { 31.32 - /* Specialised local_irq_save(). */ 31.33 - flags = test_and_clear_bit(EVENTS_MASTER_ENABLE_BIT, 31.34 - &shared->events_mask); 31.35 - barrier(); 31.36 - 31.37 - events = xchg(&shared->events, 0); 31.38 - events &= event_mask; 31.39 - 31.40 - __asm__ __volatile__ ( 31.41 - " push %1 ;" 31.42 - " sub $4,%%esp ;" 31.43 - " jmp 2f ;" 31.44 - "1: btrl %%eax,%0 ;" /* clear bit */ 31.45 - " mov %%eax,(%%esp) ;" 31.46 - " call do_IRQ ;" /* do_IRQ(event) */ 31.47 - "2: bsfl %0,%%eax ;" /* %eax == bit # */ 31.48 - " jnz 1b ;" 31.49 - " add $8,%%esp ;" 31.50 - /* we use %ebx because it is callee-saved */ 31.51 - : : "b" (events), "r" (regs) 31.52 - /* clobbered by callback function calls */ 31.53 - : "eax", "ecx", "edx", "memory" ); 31.54 - 31.55 - /* Specialised local_irq_restore(). */ 31.56 - if ( flags ) set_bit(EVENTS_MASTER_ENABLE_BIT, &shared->events_mask); 31.57 - barrier(); 31.58 - } 31.59 - while ( shared->events ); 31.60 -} 31.61 - 31.62 - 31.63 - 31.64 -/* 31.65 - * Define interface to generic handling in irq.c 31.66 - */ 31.67 - 31.68 -static void shutdown_hypervisor_event(unsigned int irq) 31.69 -{ 31.70 - clear_bit(irq, &event_mask); 31.71 - clear_bit(irq, &HYPERVISOR_shared_info->events_mask); 31.72 -} 31.73 - 31.74 -static void enable_hypervisor_event(unsigned int irq) 31.75 -{ 31.76 - set_bit(irq, &event_mask); 31.77 - set_bit(irq, &HYPERVISOR_shared_info->events_mask); 31.78 - if ( test_bit(EVENTS_MASTER_ENABLE_BIT, 31.79 - &HYPERVISOR_shared_info->events_mask) ) 31.80 - do_hypervisor_callback(NULL); 31.81 -} 31.82 - 31.83 -static void disable_hypervisor_event(unsigned int irq) 31.84 -{ 31.85 - clear_bit(irq, &event_mask); 31.86 - clear_bit(irq, &HYPERVISOR_shared_info->events_mask); 31.87 -} 31.88 - 31.89 -static void ack_hypervisor_event(unsigned int irq) 31.90 -{ 31.91 - if ( !(event_mask & (1<<irq)) ) 31.92 - { 31.93 - printk("Unexpected hypervisor event %d\n", irq); 31.94 - atomic_inc(&irq_err_count); 31.95 - } 31.96 - set_bit(irq, &HYPERVISOR_shared_info->events_mask); 31.97 -} 31.98 - 31.99 -static unsigned int startup_hypervisor_event(unsigned int irq) 31.100 -{ 31.101 - enable_hypervisor_event(irq); 31.102 - return 0; 31.103 -} 31.104 - 31.105 -static void end_hypervisor_event(unsigned int irq) 31.106 -{ 31.107 -} 31.108 - 31.109 -static struct hw_interrupt_type hypervisor_irq_type = { 31.110 - "Hypervisor-event", 31.111 - startup_hypervisor_event, 31.112 - shutdown_hypervisor_event, 31.113 - enable_hypervisor_event, 31.114 - disable_hypervisor_event, 31.115 - ack_hypervisor_event, 31.116 - end_hypervisor_event, 31.117 - NULL 31.118 -}; 31.119 - 31.120 -void __init init_IRQ(void) 31.121 -{ 31.122 - int i; 31.123 - 31.124 - for ( i = 0; i < NR_IRQS; i++ ) 31.125 - { 31.126 - irq_desc[i].status = IRQ_DISABLED; 31.127 - irq_desc[i].action = 0; 31.128 - irq_desc[i].depth = 1; 31.129 - irq_desc[i].handler = &hypervisor_irq_type; 31.130 - } 31.131 -}
32.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/i386_ksyms.c Tue Jun 24 12:05:12 2003 +0000 32.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 32.3 @@ -1,154 +0,0 @@ 32.4 -#include <linux/config.h> 32.5 -#include <linux/module.h> 32.6 -#include <linux/smp.h> 32.7 -#include <linux/user.h> 32.8 -#include <linux/elfcore.h> 32.9 -#include <linux/mca.h> 32.10 -#include <linux/sched.h> 32.11 -#include <linux/in6.h> 32.12 -#include <linux/interrupt.h> 32.13 -#include <linux/smp_lock.h> 32.14 -#include <linux/pm.h> 32.15 -//XXX ??? #include <linux/pci.h> 32.16 -#include <linux/apm_bios.h> 32.17 -#include <linux/kernel.h> 32.18 -#include <linux/string.h> 32.19 -#include <linux/tty.h> 32.20 - 32.21 -#include <asm/semaphore.h> 32.22 -#include <asm/processor.h> 32.23 -#include <asm/i387.h> 32.24 -#include <asm/uaccess.h> 32.25 -#include <asm/checksum.h> 32.26 -#include <asm/io.h> 32.27 -#include <asm/hardirq.h> 32.28 -#include <asm/delay.h> 32.29 -#include <asm/irq.h> 32.30 -#include <asm/mmx.h> 32.31 -#include <asm/desc.h> 32.32 -#include <asm/pgtable.h> 32.33 -#include <asm/pgalloc.h> 32.34 - 32.35 -extern void dump_thread(struct pt_regs *, struct user *); 32.36 -extern spinlock_t rtc_lock; 32.37 - 32.38 -#if defined(CONFIG_APMXXX) || defined(CONFIG_APM_MODULEXXX) 32.39 -extern void machine_real_restart(unsigned char *, int); 32.40 -EXPORT_SYMBOL(machine_real_restart); 32.41 -extern void default_idle(void); 32.42 -EXPORT_SYMBOL(default_idle); 32.43 -#endif 32.44 - 32.45 -#ifdef CONFIG_SMP 32.46 -extern void FASTCALL( __write_lock_failed(rwlock_t *rw)); 32.47 -extern void FASTCALL( __read_lock_failed(rwlock_t *rw)); 32.48 -#endif 32.49 - 32.50 -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) 32.51 -extern struct drive_info_struct drive_info; 32.52 -EXPORT_SYMBOL(drive_info); 32.53 -#endif 32.54 - 32.55 -// XXX extern unsigned long get_cmos_time(void); 32.56 - 32.57 -/* platform dependent support */ 32.58 -EXPORT_SYMBOL(boot_cpu_data); 32.59 -EXPORT_SYMBOL(__verify_write); 32.60 -EXPORT_SYMBOL(dump_thread); 32.61 -EXPORT_SYMBOL(dump_fpu); 32.62 -EXPORT_SYMBOL(dump_extended_fpu); 32.63 -EXPORT_SYMBOL(enable_irq); 32.64 -EXPORT_SYMBOL(disable_irq); 32.65 -EXPORT_SYMBOL(disable_irq_nosync); 32.66 -EXPORT_SYMBOL(probe_irq_mask); 32.67 -EXPORT_SYMBOL(kernel_thread); 32.68 -EXPORT_SYMBOL(pm_idle); 32.69 -EXPORT_SYMBOL(pm_power_off); 32.70 -EXPORT_SYMBOL(apm_info); 32.71 -//EXPORT_SYMBOL(gdt); 32.72 -EXPORT_SYMBOL(empty_zero_page); 32.73 - 32.74 -#ifdef CONFIG_DEBUG_IOVIRT 32.75 -EXPORT_SYMBOL(__io_virt_debug); 32.76 -#endif 32.77 - 32.78 -EXPORT_SYMBOL_NOVERS(__down_failed); 32.79 -EXPORT_SYMBOL_NOVERS(__down_failed_interruptible); 32.80 -EXPORT_SYMBOL_NOVERS(__down_failed_trylock); 32.81 -EXPORT_SYMBOL_NOVERS(__up_wakeup); 32.82 -/* Networking helper routines. */ 32.83 -EXPORT_SYMBOL(csum_partial_copy_generic); 32.84 -/* Delay loops */ 32.85 -EXPORT_SYMBOL(__udelay); 32.86 -EXPORT_SYMBOL(__delay); 32.87 -EXPORT_SYMBOL(__const_udelay); 32.88 - 32.89 -EXPORT_SYMBOL_NOVERS(__get_user_1); 32.90 -EXPORT_SYMBOL_NOVERS(__get_user_2); 32.91 -EXPORT_SYMBOL_NOVERS(__get_user_4); 32.92 - 32.93 -EXPORT_SYMBOL(strtok); 32.94 -EXPORT_SYMBOL(strpbrk); 32.95 -EXPORT_SYMBOL(strstr); 32.96 - 32.97 -EXPORT_SYMBOL(strncpy_from_user); 32.98 -EXPORT_SYMBOL(__strncpy_from_user); 32.99 -EXPORT_SYMBOL(clear_user); 32.100 -EXPORT_SYMBOL(__clear_user); 32.101 -EXPORT_SYMBOL(__generic_copy_from_user); 32.102 -EXPORT_SYMBOL(__generic_copy_to_user); 32.103 -EXPORT_SYMBOL(strnlen_user); 32.104 - 32.105 -#ifdef CONFIG_X86_USE_3DNOW 32.106 -EXPORT_SYMBOL(_mmx_memcpy); 32.107 -EXPORT_SYMBOL(mmx_clear_page); 32.108 -EXPORT_SYMBOL(mmx_copy_page); 32.109 -#endif 32.110 - 32.111 -#ifdef CONFIG_SMP 32.112 -EXPORT_SYMBOL(cpu_data); 32.113 -EXPORT_SYMBOL(kernel_flag_cacheline); 32.114 -EXPORT_SYMBOL(smp_num_cpus); 32.115 -EXPORT_SYMBOL(cpu_online_map); 32.116 -EXPORT_SYMBOL_NOVERS(__write_lock_failed); 32.117 -EXPORT_SYMBOL_NOVERS(__read_lock_failed); 32.118 - 32.119 -/* Global SMP irq stuff */ 32.120 -EXPORT_SYMBOL(synchronize_irq); 32.121 -EXPORT_SYMBOL(global_irq_holder); 32.122 -EXPORT_SYMBOL(__global_cli); 32.123 -EXPORT_SYMBOL(__global_sti); 32.124 -EXPORT_SYMBOL(__global_save_flags); 32.125 -EXPORT_SYMBOL(__global_restore_flags); 32.126 -EXPORT_SYMBOL(smp_call_function); 32.127 - 32.128 -/* TLB flushing */ 32.129 -EXPORT_SYMBOL(flush_tlb_page); 32.130 -#endif 32.131 - 32.132 -#ifdef CONFIG_X86_IO_APIC 32.133 -EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); 32.134 -#endif 32.135 - 32.136 -#ifdef CONFIG_VT 32.137 -EXPORT_SYMBOL(screen_info); 32.138 -#endif 32.139 - 32.140 -EXPORT_SYMBOL(get_wchan); 32.141 - 32.142 -EXPORT_SYMBOL(rtc_lock); 32.143 - 32.144 -#undef memcpy 32.145 -#undef memset 32.146 -extern void * memset(void *,int,__kernel_size_t); 32.147 -extern void * memcpy(void *,const void *,__kernel_size_t); 32.148 -EXPORT_SYMBOL_NOVERS(memcpy); 32.149 -EXPORT_SYMBOL_NOVERS(memset); 32.150 - 32.151 -#ifdef CONFIG_HAVE_DEC_LOCK 32.152 -EXPORT_SYMBOL(atomic_dec_and_lock); 32.153 -#endif 32.154 - 32.155 -#ifdef CONFIG_MULTIQUAD 32.156 -EXPORT_SYMBOL(xquad_portio); 32.157 -#endif
33.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ioport.c Tue Jun 24 12:05:12 2003 +0000 33.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 33.3 @@ -1,46 +0,0 @@ 33.4 -#include <linux/sched.h> 33.5 -#include <linux/kernel.h> 33.6 -#include <linux/errno.h> 33.7 -#include <linux/types.h> 33.8 -#include <linux/stddef.h> 33.9 - 33.10 - 33.11 -asmlinkage int sys_ioperm(unsigned long from, unsigned long num, int turn_on) 33.12 -{ 33.13 - /* No IO permission! Selective IO perms aren't virtualised yet. */ 33.14 - return -EPERM; 33.15 -} 33.16 - 33.17 - 33.18 -asmlinkage int sys_iopl(unsigned long unused) 33.19 -{ 33.20 - struct pt_regs *regs = (struct pt_regs *)&unused; 33.21 - unsigned int new_io_pl = regs->ebx & 3; 33.22 - unsigned int old_io_pl = current->thread.io_pl; 33.23 - unsigned int new_hypercall_pl = (regs->ebx >> 2) & 3; 33.24 - unsigned int old_hypercall_pl = current->thread.hypercall_pl; 33.25 - 33.26 - /* Need "raw I/O" privileges for direct port access. */ 33.27 - if ( (new_io_pl > old_io_pl) && 33.28 - (!capable(CAP_SYS_RAWIO) || !(start_info.flags & SIF_PRIVILEGED)) ) 33.29 - return -EPERM; 33.30 - 33.31 - /* Just need generic root/admin privileges for direct hypercall access. */ 33.32 - if ( (new_hypercall_pl > old_hypercall_pl) && !capable(CAP_SYS_ADMIN) ) 33.33 - return -EPERM; 33.34 - 33.35 - /* Maintain OS privileges even if user attempts to relinquish them. */ 33.36 - if ( new_hypercall_pl == 0 ) 33.37 - new_hypercall_pl = 1; 33.38 - if ( (new_io_pl == 0) && (start_info.flags & SIF_PRIVILEGED) ) 33.39 - new_io_pl = 1; 33.40 - 33.41 - /* Change our version of the privilege levels. */ 33.42 - current->thread.io_pl = new_io_pl; 33.43 - current->thread.hypercall_pl = new_hypercall_pl; 33.44 - 33.45 - /* Force the change at ring 0. */ 33.46 - HYPERVISOR_set_priv_levels(new_io_pl, new_hypercall_pl); 33.47 - 33.48 - return 0; 33.49 -}
34.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/irq.c Tue Jun 24 12:05:12 2003 +0000 34.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 34.3 @@ -1,1136 +0,0 @@ 34.4 -/* 34.5 - * linux/arch/i386/kernel/irq.c 34.6 - * 34.7 - * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar 34.8 - * 34.9 - * This file contains the code used by various IRQ handling routines: 34.10 - * asking for different IRQ's should be done through these routines 34.11 - * instead of just grabbing them. Thus setups with different IRQ numbers 34.12 - * shouldn't result in any weird surprises, and installing new handlers 34.13 - * should be easier. 34.14 - */ 34.15 - 34.16 -/* 34.17 - * (mostly architecture independent, will move to kernel/irq.c in 2.5.) 34.18 - * 34.19 - * IRQs are in fact implemented a bit like signal handlers for the kernel. 34.20 - * Naturally it's not a 1:1 relation, but there are similarities. 34.21 - */ 34.22 - 34.23 -#include <linux/config.h> 34.24 -#include <linux/ptrace.h> 34.25 -#include <linux/errno.h> 34.26 -#include <linux/signal.h> 34.27 -#include <linux/sched.h> 34.28 -#include <linux/ioport.h> 34.29 -#include <linux/interrupt.h> 34.30 -#include <linux/timex.h> 34.31 -#include <linux/slab.h> 34.32 -#include <linux/random.h> 34.33 -#include <linux/smp_lock.h> 34.34 -#include <linux/init.h> 34.35 -#include <linux/kernel_stat.h> 34.36 -#include <linux/irq.h> 34.37 -#include <linux/proc_fs.h> 34.38 - 34.39 -#include <asm/atomic.h> 34.40 -#include <asm/io.h> 34.41 -#include <asm/smp.h> 34.42 -#include <asm/system.h> 34.43 -#include <asm/bitops.h> 34.44 -#include <asm/uaccess.h> 34.45 -#include <asm/pgalloc.h> 34.46 -#include <asm/delay.h> 34.47 -#include <asm/desc.h> 34.48 -#include <asm/irq.h> 34.49 - 34.50 - 34.51 - 34.52 -/* 34.53 - * Linux has a controller-independent x86 interrupt architecture. 34.54 - * every controller has a 'controller-template', that is used 34.55 - * by the main code to do the right thing. Each driver-visible 34.56 - * interrupt source is transparently wired to the apropriate 34.57 - * controller. Thus drivers need not be aware of the 34.58 - * interrupt-controller. 34.59 - * 34.60 - * Various interrupt controllers we handle: 8259 PIC, SMP IO-APIC, 34.61 - * PIIX4's internal 8259 PIC and SGI's Visual Workstation Cobalt (IO-)APIC. 34.62 - * (IO-APICs assumed to be messaging to Pentium local-APICs) 34.63 - * 34.64 - * the code is designed to be easily extended with new/different 34.65 - * interrupt controllers, without having to do assembly magic. 34.66 - */ 34.67 - 34.68 -/* 34.69 - * Controller mappings for all interrupt sources: 34.70 - */ 34.71 -irq_desc_t irq_desc[NR_IRQS] __cacheline_aligned = 34.72 - { [0 ... NR_IRQS-1] = { 0, &no_irq_type, NULL, 0, SPIN_LOCK_UNLOCKED}}; 34.73 - 34.74 -static void register_irq_proc (unsigned int irq); 34.75 - 34.76 -/* 34.77 - * Special irq handlers. 34.78 - */ 34.79 - 34.80 -void no_action(int cpl, void *dev_id, struct pt_regs *regs) { } 34.81 - 34.82 -/* 34.83 - * Generic no controller code 34.84 - */ 34.85 - 34.86 -static void enable_none(unsigned int irq) { } 34.87 -static unsigned int startup_none(unsigned int irq) { return 0; } 34.88 -static void disable_none(unsigned int irq) { } 34.89 -static void ack_none(unsigned int irq) 34.90 -{ 34.91 - printk("unexpected IRQ trap at vector %02x\n", irq); 34.92 -} 34.93 - 34.94 -/* startup is the same as "enable", shutdown is same as "disable" */ 34.95 -#define shutdown_none disable_none 34.96 -#define end_none enable_none 34.97 - 34.98 -struct hw_interrupt_type no_irq_type = { 34.99 - "none", 34.100 - startup_none, 34.101 - shutdown_none, 34.102 - enable_none, 34.103 - disable_none, 34.104 - ack_none, 34.105 - end_none 34.106 -}; 34.107 - 34.108 -atomic_t irq_err_count; 34.109 -#ifdef CONFIG_X86_IO_APIC 34.110 -#ifdef APIC_MISMATCH_DEBUG 34.111 -atomic_t irq_mis_count; 34.112 -#endif 34.113 -#endif 34.114 - 34.115 -/* 34.116 - * Generic, controller-independent functions: 34.117 - */ 34.118 - 34.119 -int get_irq_list(char *buf) 34.120 -{ 34.121 - int i, j; 34.122 - struct irqaction * action; 34.123 - char *p = buf; 34.124 - 34.125 - p += sprintf(p, " "); 34.126 - for (j=0; j<smp_num_cpus; j++) 34.127 - p += sprintf(p, "CPU%d ",j); 34.128 - *p++ = '\n'; 34.129 - 34.130 - for (i = 0 ; i < NR_IRQS ; i++) { 34.131 - action = irq_desc[i].action; 34.132 - if (!action) 34.133 - continue; 34.134 - p += sprintf(p, "%3d: ",i); 34.135 -#ifndef CONFIG_SMP 34.136 - p += sprintf(p, "%10u ", kstat_irqs(i)); 34.137 -#else 34.138 - for (j = 0; j < smp_num_cpus; j++) 34.139 - p += sprintf(p, "%10u ", 34.140 - kstat.irqs[cpu_logical_map(j)][i]); 34.141 -#endif 34.142 - p += sprintf(p, " %14s", irq_desc[i].handler->typename); 34.143 - p += sprintf(p, " %s", action->name); 34.144 - 34.145 - for (action=action->next; action; action = action->next) 34.146 - p += sprintf(p, ", %s", action->name); 34.147 - *p++ = '\n'; 34.148 - } 34.149 - p += sprintf(p, "NMI: "); 34.150 - for (j = 0; j < smp_num_cpus; j++) 34.151 - p += sprintf(p, "%10u ", 34.152 - nmi_count(cpu_logical_map(j))); 34.153 - p += sprintf(p, "\n"); 34.154 -#if CONFIG_X86_LOCAL_APIC 34.155 - p += sprintf(p, "LOC: "); 34.156 - for (j = 0; j < smp_num_cpus; j++) 34.157 - p += sprintf(p, "%10u ", 34.158 - apic_timer_irqs[cpu_logical_map(j)]); 34.159 - p += sprintf(p, "\n"); 34.160 -#endif 34.161 - p += sprintf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); 34.162 -#ifdef CONFIG_X86_IO_APIC 34.163 -#ifdef APIC_MISMATCH_DEBUG 34.164 - p += sprintf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); 34.165 -#endif 34.166 -#endif 34.167 - return p - buf; 34.168 -} 34.169 - 34.170 - 34.171 -/* 34.172 - * Global interrupt locks for SMP. Allow interrupts to come in on any 34.173 - * CPU, yet make cli/sti act globally to protect critical regions.. 34.174 - */ 34.175 - 34.176 -#ifdef CONFIG_SMP 34.177 -unsigned char global_irq_holder = NO_PROC_ID; 34.178 -unsigned volatile long global_irq_lock; /* pendantic: long for set_bit --RR */ 34.179 - 34.180 -extern void show_stack(unsigned long* esp); 34.181 - 34.182 -static void show(char * str) 34.183 -{ 34.184 - int i; 34.185 - int cpu = smp_processor_id(); 34.186 - 34.187 - printk("\n%s, CPU %d:\n", str, cpu); 34.188 - printk("irq: %d [",irqs_running()); 34.189 - for(i=0;i < smp_num_cpus;i++) 34.190 - printk(" %d",local_irq_count(i)); 34.191 - printk(" ]\nbh: %d [",spin_is_locked(&global_bh_lock) ? 1 : 0); 34.192 - for(i=0;i < smp_num_cpus;i++) 34.193 - printk(" %d",local_bh_count(i)); 34.194 - 34.195 - printk(" ]\nStack dumps:"); 34.196 - for(i = 0; i < smp_num_cpus; i++) { 34.197 - unsigned long esp; 34.198 - if (i == cpu) 34.199 - continue; 34.200 - printk("\nCPU %d:",i); 34.201 - esp = init_tss[i].esp0; 34.202 - if (!esp) { 34.203 - /* tss->esp0 is set to NULL in cpu_init(), 34.204 - * it's initialized when the cpu returns to user 34.205 - * space. -- manfreds 34.206 - */ 34.207 - printk(" <unknown> "); 34.208 - continue; 34.209 - } 34.210 - esp &= ~(THREAD_SIZE-1); 34.211 - esp += sizeof(struct task_struct); 34.212 - show_stack((void*)esp); 34.213 - } 34.214 - printk("\nCPU %d:",cpu); 34.215 - show_stack(NULL); 34.216 - printk("\n"); 34.217 -} 34.218 - 34.219 -#define MAXCOUNT 100000000 34.220 - 34.221 -/* 34.222 - * I had a lockup scenario where a tight loop doing 34.223 - * spin_unlock()/spin_lock() on CPU#1 was racing with 34.224 - * spin_lock() on CPU#0. CPU#0 should have noticed spin_unlock(), but 34.225 - * apparently the spin_unlock() information did not make it 34.226 - * through to CPU#0 ... nasty, is this by design, do we have to limit 34.227 - * 'memory update oscillation frequency' artificially like here? 34.228 - * 34.229 - * Such 'high frequency update' races can be avoided by careful design, but 34.230 - * some of our major constructs like spinlocks use similar techniques, 34.231 - * it would be nice to clarify this issue. Set this define to 0 if you 34.232 - * want to check whether your system freezes. I suspect the delay done 34.233 - * by SYNC_OTHER_CORES() is in correlation with 'snooping latency', but 34.234 - * i thought that such things are guaranteed by design, since we use 34.235 - * the 'LOCK' prefix. 34.236 - */ 34.237 -#define SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 0 34.238 - 34.239 -#if SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 34.240 -# define SYNC_OTHER_CORES(x) udelay(x+1) 34.241 -#else 34.242 -/* 34.243 - * We have to allow irqs to arrive between __sti and __cli 34.244 - */ 34.245 -# define SYNC_OTHER_CORES(x) __asm__ __volatile__ ("nop") 34.246 -#endif 34.247 - 34.248 -static inline void wait_on_irq(int cpu) 34.249 -{ 34.250 - int count = MAXCOUNT; 34.251 - 34.252 - for (;;) { 34.253 - 34.254 - /* 34.255 - * Wait until all interrupts are gone. Wait 34.256 - * for bottom half handlers unless we're 34.257 - * already executing in one.. 34.258 - */ 34.259 - if (!irqs_running()) 34.260 - if (local_bh_count(cpu) || !spin_is_locked(&global_bh_lock)) 34.261 - break; 34.262 - 34.263 - /* Duh, we have to loop. Release the lock to avoid deadlocks */ 34.264 - clear_bit(0,&global_irq_lock); 34.265 - 34.266 - for (;;) { 34.267 - if (!--count) { 34.268 - show("wait_on_irq"); 34.269 - count = ~0; 34.270 - } 34.271 - __sti(); 34.272 - SYNC_OTHER_CORES(cpu); 34.273 - __cli(); 34.274 - if (irqs_running()) 34.275 - continue; 34.276 - if (global_irq_lock) 34.277 - continue; 34.278 - if (!local_bh_count(cpu) && spin_is_locked(&global_bh_lock)) 34.279 - continue; 34.280 - if (!test_and_set_bit(0,&global_irq_lock)) 34.281 - break; 34.282 - } 34.283 - } 34.284 -} 34.285 - 34.286 -/* 34.287 - * This is called when we want to synchronize with 34.288 - * interrupts. We may for example tell a device to 34.289 - * stop sending interrupts: but to make sure there 34.290 - * are no interrupts that are executing on another 34.291 - * CPU we need to call this function. 34.292 - */ 34.293 -void synchronize_irq(void) 34.294 -{ 34.295 - if (irqs_running()) { 34.296 - /* Stupid approach */ 34.297 - cli(); 34.298 - sti(); 34.299 - } 34.300 -} 34.301 - 34.302 -static inline void get_irqlock(int cpu) 34.303 -{ 34.304 - if (test_and_set_bit(0,&global_irq_lock)) { 34.305 - /* do we already hold the lock? */ 34.306 - if ((unsigned char) cpu == global_irq_holder) 34.307 - return; 34.308 - /* Uhhuh.. Somebody else got it. Wait.. */ 34.309 - do { 34.310 - do { 34.311 - rep_nop(); 34.312 - } while (test_bit(0,&global_irq_lock)); 34.313 - } while (test_and_set_bit(0,&global_irq_lock)); 34.314 - } 34.315 - /* 34.316 - * We also to make sure that nobody else is running 34.317 - * in an interrupt context. 34.318 - */ 34.319 - wait_on_irq(cpu); 34.320 - 34.321 - /* 34.322 - * Ok, finally.. 34.323 - */ 34.324 - global_irq_holder = cpu; 34.325 -} 34.326 - 34.327 -void __global_cli(void) 34.328 -{ 34.329 - panic("__global_cli"); 34.330 -} 34.331 - 34.332 -void __global_sti(void) 34.333 -{ 34.334 - panic("__global_sti"); 34.335 -} 34.336 - 34.337 -/* 34.338 - * SMP flags value to restore to: 34.339 - * 0 - global cli 34.340 - * 1 - global sti 34.341 - * 2 - local cli 34.342 - * 3 - local sti 34.343 - */ 34.344 -unsigned long __global_save_flags(void) 34.345 -{ 34.346 - panic("__global_save_flags"); 34.347 -} 34.348 - 34.349 -void __global_restore_flags(unsigned long flags) 34.350 -{ 34.351 - panic("__global_restore_flags"); 34.352 -} 34.353 - 34.354 -#endif 34.355 - 34.356 -/* 34.357 - * This should really return information about whether 34.358 - * we should do bottom half handling etc. Right now we 34.359 - * end up _always_ checking the bottom half, which is a 34.360 - * waste of time and is not what some drivers would 34.361 - * prefer. 34.362 - */ 34.363 -int handle_IRQ_event(unsigned int irq, struct pt_regs * regs, struct irqaction * action) 34.364 -{ 34.365 - int status; 34.366 - int cpu = smp_processor_id(); 34.367 - 34.368 - irq_enter(cpu, irq); 34.369 - 34.370 - status = 1; /* Force the "do bottom halves" bit */ 34.371 - 34.372 - if (!(action->flags & SA_INTERRUPT)) 34.373 - __sti(); 34.374 - 34.375 - do { 34.376 - status |= action->flags; 34.377 - action->handler(irq, action->dev_id, regs); 34.378 - action = action->next; 34.379 - } while (action); 34.380 - if (status & SA_SAMPLE_RANDOM) 34.381 - add_interrupt_randomness(irq); 34.382 - __cli(); 34.383 - 34.384 - irq_exit(cpu, irq); 34.385 - 34.386 - return status; 34.387 -} 34.388 - 34.389 -/* 34.390 - * Generic enable/disable code: this just calls 34.391 - * down into the PIC-specific version for the actual 34.392 - * hardware disable after having gotten the irq 34.393 - * controller lock. 34.394 - */ 34.395 - 34.396 -/** 34.397 - * disable_irq_nosync - disable an irq without waiting 34.398 - * @irq: Interrupt to disable 34.399 - * 34.400 - * Disable the selected interrupt line. Disables and Enables are 34.401 - * nested. 34.402 - * Unlike disable_irq(), this function does not ensure existing 34.403 - * instances of the IRQ handler have completed before returning. 34.404 - * 34.405 - * This function may be called from IRQ context. 34.406 - */ 34.407 - 34.408 -inline void disable_irq_nosync(unsigned int irq) 34.409 -{ 34.410 - irq_desc_t *desc = irq_desc + irq; 34.411 - unsigned long flags; 34.412 - 34.413 - spin_lock_irqsave(&desc->lock, flags); 34.414 - if (!desc->depth++) { 34.415 - desc->status |= IRQ_DISABLED; 34.416 - desc->handler->disable(irq); 34.417 - } 34.418 - spin_unlock_irqrestore(&desc->lock, flags); 34.419 -} 34.420 - 34.421 -/** 34.422 - * disable_irq - disable an irq and wait for completion 34.423 - * @irq: Interrupt to disable 34.424 - * 34.425 - * Disable the selected interrupt line. Enables and Disables are 34.426 - * nested. 34.427 - * This function waits for any pending IRQ handlers for this interrupt 34.428 - * to complete before returning. If you use this function while 34.429 - * holding a resource the IRQ handler may need you will deadlock. 34.430 - * 34.431 - * This function may be called - with care - from IRQ context. 34.432 - */ 34.433 - 34.434 -void disable_irq(unsigned int irq) 34.435 -{ 34.436 - disable_irq_nosync(irq); 34.437 - 34.438 - if (!local_irq_count(smp_processor_id())) { 34.439 - do { 34.440 - barrier(); 34.441 - cpu_relax(); 34.442 - } while (irq_desc[irq].status & IRQ_INPROGRESS); 34.443 - } 34.444 -} 34.445 - 34.446 -/** 34.447 - * enable_irq - enable handling of an irq 34.448 - * @irq: Interrupt to enable 34.449 - * 34.450 - * Undoes the effect of one call to disable_irq(). If this 34.451 - * matches the last disable, processing of interrupts on this 34.452 - * IRQ line is re-enabled. 34.453 - * 34.454 - * This function may be called from IRQ context. 34.455 - */ 34.456 - 34.457 -void enable_irq(unsigned int irq) 34.458 -{ 34.459 - irq_desc_t *desc = irq_desc + irq; 34.460 - unsigned long flags; 34.461 - 34.462 - spin_lock_irqsave(&desc->lock, flags); 34.463 - switch (desc->depth) { 34.464 - case 1: { 34.465 - unsigned int status = desc->status & ~IRQ_DISABLED; 34.466 - desc->status = status; 34.467 - if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { 34.468 - desc->status = status | IRQ_REPLAY; 34.469 - hw_resend_irq(desc->handler,irq); 34.470 - } 34.471 - desc->handler->enable(irq); 34.472 - /* fall-through */ 34.473 - } 34.474 - default: 34.475 - desc->depth--; 34.476 - break; 34.477 - case 0: 34.478 - printk("enable_irq(%u) unbalanced from %p\n", irq, 34.479 - __builtin_return_address(0)); 34.480 - } 34.481 - spin_unlock_irqrestore(&desc->lock, flags); 34.482 -} 34.483 - 34.484 -/* 34.485 - * do_IRQ handles all normal device IRQ's (the special 34.486 - * SMP cross-CPU interrupts have their own specific 34.487 - * handlers). 34.488 - */ 34.489 -asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs) 34.490 -{ 34.491 - /* 34.492 - * We ack quickly, we don't want the irq controller 34.493 - * thinking we're snobs just because some other CPU has 34.494 - * disabled global interrupts (we have already done the 34.495 - * INT_ACK cycles, it's too late to try to pretend to the 34.496 - * controller that we aren't taking the interrupt). 34.497 - * 34.498 - * 0 return value means that this irq is already being 34.499 - * handled by some other CPU. (or is disabled) 34.500 - */ 34.501 - int cpu = smp_processor_id(); 34.502 - irq_desc_t *desc = irq_desc + irq; 34.503 - struct irqaction * action; 34.504 - unsigned int status; 34.505 -#ifdef CONFIG_DEBUG_STACKOVERFLOW 34.506 - long esp; 34.507 - 34.508 - /* Debugging check for stack overflow: is there less than 1KB free? */ 34.509 - __asm__ __volatile__("andl %%esp,%0" : "=r" (esp) : "0" (8191)); 34.510 - if (unlikely(esp < (sizeof(struct task_struct) + 1024))) { 34.511 - extern void show_stack(unsigned long *); 34.512 - 34.513 - printk("do_IRQ: stack overflow: %ld\n", 34.514 - esp - sizeof(struct task_struct)); 34.515 - __asm__ __volatile__("movl %%esp,%0" : "=r" (esp)); 34.516 - show_stack((void *)esp); 34.517 - } 34.518 -#endif 34.519 - 34.520 - kstat.irqs[cpu][irq]++; 34.521 - spin_lock(&desc->lock); 34.522 - desc->handler->ack(irq); 34.523 - /* 34.524 - REPLAY is when Linux resends an IRQ that was dropped earlier 34.525 - WAITING is used by probe to mark irqs that are being tested 34.526 - */ 34.527 - status = desc->status & ~(IRQ_REPLAY | IRQ_WAITING); 34.528 - status |= IRQ_PENDING; /* we _want_ to handle it */ 34.529 - 34.530 - /* 34.531 - * If the IRQ is disabled for whatever reason, we cannot 34.532 - * use the action we have. 34.533 - */ 34.534 - action = NULL; 34.535 - if (!(status & (IRQ_DISABLED | IRQ_INPROGRESS))) { 34.536 - action = desc->action; 34.537 - status &= ~IRQ_PENDING; /* we commit to handling */ 34.538 - status |= IRQ_INPROGRESS; /* we are handling it */ 34.539 - } 34.540 - desc->status = status; 34.541 - 34.542 - /* 34.543 - * If there is no IRQ handler or it was disabled, exit early. 34.544 - Since we set PENDING, if another processor is handling 34.545 - a different instance of this same irq, the other processor 34.546 - will take care of it. 34.547 - */ 34.548 - if (!action) 34.549 - goto out; 34.550 - 34.551 - /* 34.552 - * Edge triggered interrupts need to remember 34.553 - * pending events. 34.554 - * This applies to any hw interrupts that allow a second 34.555 - * instance of the same irq to arrive while we are in do_IRQ 34.556 - * or in the handler. But the code here only handles the _second_ 34.557 - * instance of the irq, not the third or fourth. So it is mostly 34.558 - * useful for irq hardware that does not mask cleanly in an 34.559 - * SMP environment. 34.560 - */ 34.561 - for (;;) { 34.562 - spin_unlock(&desc->lock); 34.563 - handle_IRQ_event(irq, regs, action); 34.564 - spin_lock(&desc->lock); 34.565 - 34.566 - if (!(desc->status & IRQ_PENDING)) 34.567 - break; 34.568 - desc->status &= ~IRQ_PENDING; 34.569 - } 34.570 - desc->status &= ~IRQ_INPROGRESS; 34.571 -out: 34.572 - /* 34.573 - * The ->end() handler has to deal with interrupts which got 34.574 - * disabled while the handler was running. 34.575 - */ 34.576 - desc->handler->end(irq); 34.577 - spin_unlock(&desc->lock); 34.578 - 34.579 - if (softirq_pending(cpu)) 34.580 - do_softirq(); 34.581 - return 1; 34.582 -} 34.583 - 34.584 -/** 34.585 - * request_irq - allocate an interrupt line 34.586 - * @irq: Interrupt line to allocate 34.587 - * @handler: Function to be called when the IRQ occurs 34.588 - * @irqflags: Interrupt type flags 34.589 - * @devname: An ascii name for the claiming device 34.590 - * @dev_id: A cookie passed back to the handler function 34.591 - * 34.592 - * This call allocates interrupt resources and enables the 34.593 - * interrupt line and IRQ handling. From the point this 34.594 - * call is made your handler function may be invoked. Since 34.595 - * your handler function must clear any interrupt the board 34.596 - * raises, you must take care both to initialise your hardware 34.597 - * and to set up the interrupt handler in the right order. 34.598 - * 34.599 - * Dev_id must be globally unique. Normally the address of the 34.600 - * device data structure is used as the cookie. Since the handler 34.601 - * receives this value it makes sense to use it. 34.602 - * 34.603 - * If your interrupt is shared you must pass a non NULL dev_id 34.604 - * as this is required when freeing the interrupt. 34.605 - * 34.606 - * Flags: 34.607 - * 34.608 - * SA_SHIRQ Interrupt is shared 34.609 - * 34.610 - * SA_INTERRUPT Disable local interrupts while processing 34.611 - * 34.612 - * SA_SAMPLE_RANDOM The interrupt can be used for entropy 34.613 - * 34.614 - */ 34.615 - 34.616 -int request_irq(unsigned int irq, 34.617 - void (*handler)(int, void *, struct pt_regs *), 34.618 - unsigned long irqflags, 34.619 - const char * devname, 34.620 - void *dev_id) 34.621 -{ 34.622 - int retval; 34.623 - struct irqaction * action; 34.624 - 34.625 -#if 1 34.626 - /* 34.627 - * Sanity-check: shared interrupts should REALLY pass in 34.628 - * a real dev-ID, otherwise we'll have trouble later trying 34.629 - * to figure out which interrupt is which (messes up the 34.630 - * interrupt freeing logic etc). 34.631 - */ 34.632 - if (irqflags & SA_SHIRQ) { 34.633 - if (!dev_id) 34.634 - printk("Bad boy: %s (at 0x%x) called us without a dev_id!\n", devname, (&irq)[-1]); 34.635 - } 34.636 -#endif 34.637 - 34.638 - if (irq >= NR_IRQS) 34.639 - return -EINVAL; 34.640 - if (!handler) 34.641 - return -EINVAL; 34.642 - 34.643 - action = (struct irqaction *) 34.644 - kmalloc(sizeof(struct irqaction), GFP_KERNEL); 34.645 - if (!action) 34.646 - return -ENOMEM; 34.647 - 34.648 - action->handler = handler; 34.649 - action->flags = irqflags; 34.650 - action->mask = 0; 34.651 - action->name = devname; 34.652 - action->next = NULL; 34.653 - action->dev_id = dev_id; 34.654 - 34.655 - retval = setup_irq(irq, action); 34.656 - if (retval) 34.657 - kfree(action); 34.658 - return retval; 34.659 -} 34.660 - 34.661 -/** 34.662 - * free_irq - free an interrupt 34.663 - * @irq: Interrupt line to free 34.664 - * @dev_id: Device identity to free 34.665 - * 34.666 - * Remove an interrupt handler. The handler is removed and if the 34.667 - * interrupt line is no longer in use by any driver it is disabled. 34.668 - * On a shared IRQ the caller must ensure the interrupt is disabled 34.669 - * on the card it drives before calling this function. The function 34.670 - * does not return until any executing interrupts for this IRQ 34.671 - * have completed. 34.672 - * 34.673 - * This function may be called from interrupt context. 34.674 - * 34.675 - * Bugs: Attempting to free an irq in a handler for the same irq hangs 34.676 - * the machine. 34.677 - */ 34.678 - 34.679 -void free_irq(unsigned int irq, void *dev_id) 34.680 -{ 34.681 - irq_desc_t *desc; 34.682 - struct irqaction **p; 34.683 - unsigned long flags; 34.684 - 34.685 - if (irq >= NR_IRQS) 34.686 - return; 34.687 - 34.688 - desc = irq_desc + irq; 34.689 - spin_lock_irqsave(&desc->lock,flags); 34.690 - p = &desc->action; 34.691 - for (;;) { 34.692 - struct irqaction * action = *p; 34.693 - if (action) { 34.694 - struct irqaction **pp = p; 34.695 - p = &action->next; 34.696 - if (action->dev_id != dev_id) 34.697 - continue; 34.698 - 34.699 - /* Found it - now remove it from the list of entries */ 34.700 - *pp = action->next; 34.701 - if (!desc->action) { 34.702 - desc->status |= IRQ_DISABLED; 34.703 - desc->handler->shutdown(irq); 34.704 - } 34.705 - spin_unlock_irqrestore(&desc->lock,flags); 34.706 - 34.707 -#ifdef CONFIG_SMP 34.708 - /* Wait to make sure it's not being used on another CPU */ 34.709 - while (desc->status & IRQ_INPROGRESS) { 34.710 - barrier(); 34.711 - cpu_relax(); 34.712 - } 34.713 -#endif 34.714 - kfree(action); 34.715 - return; 34.716 - } 34.717 - printk("Trying to free free IRQ%d\n",irq); 34.718 - spin_unlock_irqrestore(&desc->lock,flags); 34.719 - return; 34.720 - } 34.721 -} 34.722 - 34.723 -/* 34.724 - * IRQ autodetection code.. 34.725 - * 34.726 - * This depends on the fact that any interrupt that 34.727 - * comes in on to an unassigned handler will get stuck 34.728 - * with "IRQ_WAITING" cleared and the interrupt 34.729 - * disabled. 34.730 - */ 34.731 - 34.732 -static DECLARE_MUTEX(probe_sem); 34.733 - 34.734 -/** 34.735 - * probe_irq_on - begin an interrupt autodetect 34.736 - * 34.737 - * Commence probing for an interrupt. The interrupts are scanned 34.738 - * and a mask of potential interrupt lines is returned. 34.739 - * 34.740 - */ 34.741 - 34.742 -unsigned long probe_irq_on(void) 34.743 -{ 34.744 - unsigned int i; 34.745 - irq_desc_t *desc; 34.746 - unsigned long val; 34.747 - unsigned long delay; 34.748 - 34.749 - down(&probe_sem); 34.750 - /* 34.751 - * something may have generated an irq long ago and we want to 34.752 - * flush such a longstanding irq before considering it as spurious. 34.753 - */ 34.754 - for (i = NR_IRQS-1; i > 0; i--) { 34.755 - desc = irq_desc + i; 34.756 - 34.757 - spin_lock_irq(&desc->lock); 34.758 - if (!irq_desc[i].action) 34.759 - irq_desc[i].handler->startup(i); 34.760 - spin_unlock_irq(&desc->lock); 34.761 - } 34.762 - 34.763 - /* Wait for longstanding interrupts to trigger. */ 34.764 - for (delay = jiffies + HZ/50; time_after(delay, jiffies); ) 34.765 - /* about 20ms delay */ synchronize_irq(); 34.766 - 34.767 - /* 34.768 - * enable any unassigned irqs 34.769 - * (we must startup again here because if a longstanding irq 34.770 - * happened in the previous stage, it may have masked itself) 34.771 - */ 34.772 - for (i = NR_IRQS-1; i > 0; i--) { 34.773 - desc = irq_desc + i; 34.774 - 34.775 - spin_lock_irq(&desc->lock); 34.776 - if (!desc->action) { 34.777 - desc->status |= IRQ_AUTODETECT | IRQ_WAITING; 34.778 - if (desc->handler->startup(i)) 34.779 - desc->status |= IRQ_PENDING; 34.780 - } 34.781 - spin_unlock_irq(&desc->lock); 34.782 - } 34.783 - 34.784 - /* 34.785 - * Wait for spurious interrupts to trigger 34.786 - */ 34.787 - for (delay = jiffies + HZ/10; time_after(delay, jiffies); ) 34.788 - /* about 100ms delay */ synchronize_irq(); 34.789 - 34.790 - /* 34.791 - * Now filter out any obviously spurious interrupts 34.792 - */ 34.793 - val = 0; 34.794 - for (i = 0; i < NR_IRQS; i++) { 34.795 - irq_desc_t *desc = irq_desc + i; 34.796 - unsigned int status; 34.797 - 34.798 - spin_lock_irq(&desc->lock); 34.799 - status = desc->status; 34.800 - 34.801 - if (status & IRQ_AUTODETECT) { 34.802 - /* It triggered already - consider it spurious. */ 34.803 - if (!(status & IRQ_WAITING)) { 34.804 - desc->status = status & ~IRQ_AUTODETECT; 34.805 - desc->handler->shutdown(i); 34.806 - } else 34.807 - if (i < 32) 34.808 - val |= 1 << i; 34.809 - } 34.810 - spin_unlock_irq(&desc->lock); 34.811 - } 34.812 - 34.813 - return val; 34.814 -} 34.815 - 34.816 -/* 34.817 - * Return a mask of triggered interrupts (this 34.818 - * can handle only legacy ISA interrupts). 34.819 - */ 34.820 - 34.821 -/** 34.822 - * probe_irq_mask - scan a bitmap of interrupt lines 34.823 - * @val: mask of interrupts to consider 34.824 - * 34.825 - * Scan the ISA bus interrupt lines and return a bitmap of 34.826 - * active interrupts. The interrupt probe logic state is then 34.827 - * returned to its previous value. 34.828 - * 34.829 - * Note: we need to scan all the irq's even though we will 34.830 - * only return ISA irq numbers - just so that we reset them 34.831 - * all to a known state. 34.832 - */ 34.833 -unsigned int probe_irq_mask(unsigned long val) 34.834 -{ 34.835 - int i; 34.836 - unsigned int mask; 34.837 - 34.838 - mask = 0; 34.839 - for (i = 0; i < NR_IRQS; i++) { 34.840 - irq_desc_t *desc = irq_desc + i; 34.841 - unsigned int status; 34.842 - 34.843 - spin_lock_irq(&desc->lock); 34.844 - status = desc->status; 34.845 - 34.846 - if (status & IRQ_AUTODETECT) { 34.847 - if (i < 16 && !(status & IRQ_WAITING)) 34.848 - mask |= 1 << i; 34.849 - 34.850 - desc->status = status & ~IRQ_AUTODETECT; 34.851 - desc->handler->shutdown(i); 34.852 - } 34.853 - spin_unlock_irq(&desc->lock); 34.854 - } 34.855 - up(&probe_sem); 34.856 - 34.857 - return mask & val; 34.858 -} 34.859 - 34.860 -/* 34.861 - * Return the one interrupt that triggered (this can 34.862 - * handle any interrupt source). 34.863 - */ 34.864 - 34.865 -/** 34.866 - * probe_irq_off - end an interrupt autodetect 34.867 - * @val: mask of potential interrupts (unused) 34.868 - * 34.869 - * Scans the unused interrupt lines and returns the line which 34.870 - * appears to have triggered the interrupt. If no interrupt was 34.871 - * found then zero is returned. If more than one interrupt is 34.872 - * found then minus the first candidate is returned to indicate 34.873 - * their is doubt. 34.874 - * 34.875 - * The interrupt probe logic state is returned to its previous 34.876 - * value. 34.877 - * 34.878 - * BUGS: When used in a module (which arguably shouldnt happen) 34.879 - * nothing prevents two IRQ probe callers from overlapping. The 34.880 - * results of this are non-optimal. 34.881 - */ 34.882 - 34.883 -int probe_irq_off(unsigned long val) 34.884 -{ 34.885 - int i, irq_found, nr_irqs; 34.886 - 34.887 - nr_irqs = 0; 34.888 - irq_found = 0; 34.889 - for (i = 0; i < NR_IRQS; i++) { 34.890 - irq_desc_t *desc = irq_desc + i; 34.891 - unsigned int status; 34.892 - 34.893 - spin_lock_irq(&desc->lock); 34.894 - status = desc->status; 34.895 - 34.896 - if (status & IRQ_AUTODETECT) { 34.897 - if (!(status & IRQ_WAITING)) { 34.898 - if (!nr_irqs) 34.899 - irq_found = i; 34.900 - nr_irqs++; 34.901 - } 34.902 - desc->status = status & ~IRQ_AUTODETECT; 34.903 - desc->handler->shutdown(i); 34.904 - } 34.905 - spin_unlock_irq(&desc->lock); 34.906 - } 34.907 - up(&probe_sem); 34.908 - 34.909 - if (nr_irqs > 1) 34.910 - irq_found = -irq_found; 34.911 - return irq_found; 34.912 -} 34.913 - 34.914 -/* this was setup_x86_irq but it seems pretty generic */ 34.915 -int setup_irq(unsigned int irq, struct irqaction * new) 34.916 -{ 34.917 - int shared = 0; 34.918 - unsigned long flags; 34.919 - struct irqaction *old, **p; 34.920 - irq_desc_t *desc = irq_desc + irq; 34.921 - 34.922 - /* 34.923 - * Some drivers like serial.c use request_irq() heavily, 34.924 - * so we have to be careful not to interfere with a 34.925 - * running system. 34.926 - */ 34.927 - if (new->flags & SA_SAMPLE_RANDOM) { 34.928 - /* 34.929 - * This function might sleep, we want to call it first, 34.930 - * outside of the atomic block. 34.931 - * Yes, this might clear the entropy pool if the wrong 34.932 - * driver is attempted to be loaded, without actually 34.933 - * installing a new handler, but is this really a problem, 34.934 - * only the sysadmin is able to do this. 34.935 - */ 34.936 - rand_initialize_irq(irq); 34.937 - } 34.938 - 34.939 - /* 34.940 - * The following block of code has to be executed atomically 34.941 - */ 34.942 - spin_lock_irqsave(&desc->lock,flags); 34.943 - p = &desc->action; 34.944 - if ((old = *p) != NULL) { 34.945 - /* Can't share interrupts unless both agree to */ 34.946 - if (!(old->flags & new->flags & SA_SHIRQ)) { 34.947 - spin_unlock_irqrestore(&desc->lock,flags); 34.948 - return -EBUSY; 34.949 - } 34.950 - 34.951 - /* add new interrupt at end of irq queue */ 34.952 - do { 34.953 - p = &old->next; 34.954 - old = *p; 34.955 - } while (old); 34.956 - shared = 1; 34.957 - } 34.958 - 34.959 - *p = new; 34.960 - 34.961 - if (!shared) { 34.962 - desc->depth = 0; 34.963 - desc->status &= ~(IRQ_DISABLED | IRQ_AUTODETECT | IRQ_WAITING); 34.964 - desc->handler->startup(irq); 34.965 - } 34.966 - spin_unlock_irqrestore(&desc->lock,flags); 34.967 - 34.968 - register_irq_proc(irq); 34.969 - return 0; 34.970 -} 34.971 - 34.972 -static struct proc_dir_entry * root_irq_dir; 34.973 -static struct proc_dir_entry * irq_dir [NR_IRQS]; 34.974 - 34.975 -#define HEX_DIGITS 8 34.976 - 34.977 -static unsigned int parse_hex_value (const char *buffer, 34.978 - unsigned long count, unsigned long *ret) 34.979 -{ 34.980 - unsigned char hexnum [HEX_DIGITS]; 34.981 - unsigned long value; 34.982 - int i; 34.983 - 34.984 - if (!count) 34.985 - return -EINVAL; 34.986 - if (count > HEX_DIGITS) 34.987 - count = HEX_DIGITS; 34.988 - if (copy_from_user(hexnum, buffer, count)) 34.989 - return -EFAULT; 34.990 - 34.991 - /* 34.992 - * Parse the first 8 characters as a hex string, any non-hex char 34.993 - * is end-of-string. '00e1', 'e1', '00E1', 'E1' are all the same. 34.994 - */ 34.995 - value = 0; 34.996 - 34.997 - for (i = 0; i < count; i++) { 34.998 - unsigned int c = hexnum[i]; 34.999 - 34.1000 - switch (c) { 34.1001 - case '0' ... '9': c -= '0'; break; 34.1002 - case 'a' ... 'f': c -= 'a'-10; break; 34.1003 - case 'A' ... 'F': c -= 'A'-10; break; 34.1004 - default: 34.1005 - goto out; 34.1006 - } 34.1007 - value = (value << 4) | c; 34.1008 - } 34.1009 -out: 34.1010 - *ret = value; 34.1011 - return 0; 34.1012 -} 34.1013 - 34.1014 -#if CONFIG_SMP 34.1015 - 34.1016 -static struct proc_dir_entry * smp_affinity_entry [NR_IRQS]; 34.1017 - 34.1018 -static unsigned long irq_affinity [NR_IRQS] = { [0 ... NR_IRQS-1] = ~0UL }; 34.1019 -static int irq_affinity_read_proc (char *page, char **start, off_t off, 34.1020 - int count, int *eof, void *data) 34.1021 -{ 34.1022 - if (count < HEX_DIGITS+1) 34.1023 - return -EINVAL; 34.1024 - return sprintf (page, "%08lx\n", irq_affinity[(long)data]); 34.1025 -} 34.1026 - 34.1027 -static int irq_affinity_write_proc (struct file *file, const char *buffer, 34.1028 - unsigned long count, void *data) 34.1029 -{ 34.1030 - int irq = (long) data, full_count = count, err; 34.1031 - unsigned long new_value; 34.1032 - 34.1033 - if (!irq_desc[irq].handler->set_affinity) 34.1034 - return -EIO; 34.1035 - 34.1036 - err = parse_hex_value(buffer, count, &new_value); 34.1037 - 34.1038 - /* 34.1039 - * Do not allow disabling IRQs completely - it's a too easy 34.1040 - * way to make the system unusable accidentally :-) At least 34.1041 - * one online CPU still has to be targeted. 34.1042 - */ 34.1043 - if (!(new_value & cpu_online_map)) 34.1044 - return -EINVAL; 34.1045 - 34.1046 - irq_affinity[irq] = new_value; 34.1047 - irq_desc[irq].handler->set_affinity(irq, new_value); 34.1048 - 34.1049 - return full_count; 34.1050 -} 34.1051 - 34.1052 -#endif 34.1053 - 34.1054 -static int prof_cpu_mask_read_proc (char *page, char **start, off_t off, 34.1055 - int count, int *eof, void *data) 34.1056 -{ 34.1057 - unsigned long *mask = (unsigned long *) data; 34.1058 - if (count < HEX_DIGITS+1) 34.1059 - return -EINVAL; 34.1060 - return sprintf (page, "%08lx\n", *mask); 34.1061 -} 34.1062 - 34.1063 -static int prof_cpu_mask_write_proc (struct file *file, const char *buffer, 34.1064 - unsigned long count, void *data) 34.1065 -{ 34.1066 - unsigned long *mask = (unsigned long *) data, full_count = count, err; 34.1067 - unsigned long new_value; 34.1068 - 34.1069 - err = parse_hex_value(buffer, count, &new_value); 34.1070 - if (err) 34.1071 - return err; 34.1072 - 34.1073 - *mask = new_value; 34.1074 - return full_count; 34.1075 -} 34.1076 - 34.1077 -#define MAX_NAMELEN 10 34.1078 - 34.1079 -static void register_irq_proc (unsigned int irq) 34.1080 -{ 34.1081 - char name [MAX_NAMELEN]; 34.1082 - 34.1083 - if (!root_irq_dir || (irq_desc[irq].handler == &no_irq_type) || 34.1084 - irq_dir[irq]) 34.1085 - return; 34.1086 - 34.1087 - memset(name, 0, MAX_NAMELEN); 34.1088 - sprintf(name, "%d", irq); 34.1089 - 34.1090 - /* create /proc/irq/1234 */ 34.1091 - irq_dir[irq] = proc_mkdir(name, root_irq_dir); 34.1092 - 34.1093 -#if CONFIG_SMP 34.1094 - { 34.1095 - struct proc_dir_entry *entry; 34.1096 - 34.1097 - /* create /proc/irq/1234/smp_affinity */ 34.1098 - entry = create_proc_entry("smp_affinity", 0600, irq_dir[irq]); 34.1099 - 34.1100 - if (entry) { 34.1101 - entry->nlink = 1; 34.1102 - entry->data = (void *)(long)irq; 34.1103 - entry->read_proc = irq_affinity_read_proc; 34.1104 - entry->write_proc = irq_affinity_write_proc; 34.1105 - } 34.1106 - 34.1107 - smp_affinity_entry[irq] = entry; 34.1108 - } 34.1109 -#endif 34.1110 -} 34.1111 - 34.1112 -unsigned long prof_cpu_mask = -1; 34.1113 - 34.1114 -void init_irq_proc (void) 34.1115 -{ 34.1116 - struct proc_dir_entry *entry; 34.1117 - int i; 34.1118 - 34.1119 - /* create /proc/irq */ 34.1120 - root_irq_dir = proc_mkdir("irq", 0); 34.1121 - 34.1122 - /* create /proc/irq/prof_cpu_mask */ 34.1123 - entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir); 34.1124 - 34.1125 - if (!entry) 34.1126 - return; 34.1127 - 34.1128 - entry->nlink = 1; 34.1129 - entry->data = (void *)&prof_cpu_mask; 34.1130 - entry->read_proc = prof_cpu_mask_read_proc; 34.1131 - entry->write_proc = prof_cpu_mask_write_proc; 34.1132 - 34.1133 - /* 34.1134 - * Create entries for all existing IRQs. 34.1135 - */ 34.1136 - for (i = 0; i < NR_IRQS; i++) 34.1137 - register_irq_proc(i); 34.1138 -} 34.1139 -
35.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/ldt.c Tue Jun 24 12:05:12 2003 +0000 35.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 35.3 @@ -1,169 +0,0 @@ 35.4 -/* 35.5 - * linux/kernel/ldt.c 35.6 - * 35.7 - * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds 35.8 - * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> 35.9 - */ 35.10 - 35.11 -#include <linux/errno.h> 35.12 -#include <linux/sched.h> 35.13 -#include <linux/string.h> 35.14 -#include <linux/mm.h> 35.15 -#include <linux/smp.h> 35.16 -#include <linux/smp_lock.h> 35.17 -#include <linux/vmalloc.h> 35.18 - 35.19 -#include <asm/uaccess.h> 35.20 -#include <asm/system.h> 35.21 -#include <asm/ldt.h> 35.22 -#include <asm/desc.h> 35.23 - 35.24 -/* 35.25 - * read_ldt() is not really atomic - this is not a problem since 35.26 - * synchronization of reads and writes done to the LDT has to be 35.27 - * assured by user-space anyway. Writes are atomic, to protect 35.28 - * the security checks done on new descriptors. 35.29 - */ 35.30 -static int read_ldt(void * ptr, unsigned long bytecount) 35.31 -{ 35.32 - int err; 35.33 - unsigned long size; 35.34 - struct mm_struct * mm = current->mm; 35.35 - 35.36 - err = 0; 35.37 - if (!mm->context.segments) 35.38 - goto out; 35.39 - 35.40 - size = LDT_ENTRIES*LDT_ENTRY_SIZE; 35.41 - if (size > bytecount) 35.42 - size = bytecount; 35.43 - 35.44 - err = size; 35.45 - if (copy_to_user(ptr, mm->context.segments, size)) 35.46 - err = -EFAULT; 35.47 - out: 35.48 - return err; 35.49 -} 35.50 - 35.51 -static int read_default_ldt(void * ptr, unsigned long bytecount) 35.52 -{ 35.53 - int err; 35.54 - unsigned long size; 35.55 - void *address; 35.56 - 35.57 - err = 0; 35.58 - address = &default_ldt[0]; 35.59 - size = sizeof(struct desc_struct); 35.60 - if (size > bytecount) 35.61 - size = bytecount; 35.62 - 35.63 - err = size; 35.64 - if (copy_to_user(ptr, address, size)) 35.65 - err = -EFAULT; 35.66 - 35.67 - return err; 35.68 -} 35.69 - 35.70 -static int write_ldt(void * ptr, unsigned long bytecount, int oldmode) 35.71 -{ 35.72 - struct mm_struct * mm = current->mm; 35.73 - __u32 entry_1, entry_2, *lp; 35.74 - unsigned long phys_lp; 35.75 - int error; 35.76 - struct modify_ldt_ldt_s ldt_info; 35.77 - 35.78 - error = -EINVAL; 35.79 - if (bytecount != sizeof(ldt_info)) 35.80 - goto out; 35.81 - error = -EFAULT; 35.82 - if (copy_from_user(&ldt_info, ptr, sizeof(ldt_info))) 35.83 - goto out; 35.84 - 35.85 - error = -EINVAL; 35.86 - if (ldt_info.entry_number >= LDT_ENTRIES) 35.87 - goto out; 35.88 - if (ldt_info.contents == 3) { 35.89 - if (oldmode) 35.90 - goto out; 35.91 - if (ldt_info.seg_not_present == 0) 35.92 - goto out; 35.93 - } 35.94 - 35.95 - down_write(&mm->mmap_sem); 35.96 - if (!mm->context.segments) { 35.97 - void * segments = vmalloc(LDT_ENTRIES*LDT_ENTRY_SIZE); 35.98 - error = -ENOMEM; 35.99 - if (!segments) 35.100 - goto out_unlock; 35.101 - memset(segments, 0, LDT_ENTRIES*LDT_ENTRY_SIZE); 35.102 - make_pages_readonly(segments, (LDT_ENTRIES*LDT_ENTRY_SIZE)/PAGE_SIZE); 35.103 - wmb(); 35.104 - mm->context.segments = segments; 35.105 - mm->context.cpuvalid = 1UL << smp_processor_id(); 35.106 - load_LDT(mm); 35.107 - flush_page_update_queue(); 35.108 - } 35.109 - 35.110 - lp = (__u32 *)((ldt_info.entry_number<<3) + (char *)mm->context.segments); 35.111 - phys_lp = arbitrary_virt_to_phys(lp); 35.112 - 35.113 - /* Allow LDTs to be cleared by the user. */ 35.114 - if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 35.115 - if (oldmode || 35.116 - (ldt_info.contents == 0 && 35.117 - ldt_info.read_exec_only == 1 && 35.118 - ldt_info.seg_32bit == 0 && 35.119 - ldt_info.limit_in_pages == 0 && 35.120 - ldt_info.seg_not_present == 1 && 35.121 - ldt_info.useable == 0 )) { 35.122 - entry_1 = 0; 35.123 - entry_2 = 0; 35.124 - goto install; 35.125 - } 35.126 - } 35.127 - 35.128 - entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 35.129 - (ldt_info.limit & 0x0ffff); 35.130 - entry_2 = (ldt_info.base_addr & 0xff000000) | 35.131 - ((ldt_info.base_addr & 0x00ff0000) >> 16) | 35.132 - (ldt_info.limit & 0xf0000) | 35.133 - ((ldt_info.read_exec_only ^ 1) << 9) | 35.134 - (ldt_info.contents << 10) | 35.135 - ((ldt_info.seg_not_present ^ 1) << 15) | 35.136 - (ldt_info.seg_32bit << 22) | 35.137 - (ldt_info.limit_in_pages << 23) | 35.138 - 0x7000; 35.139 - if (!oldmode) 35.140 - entry_2 |= (ldt_info.useable << 20); 35.141 - 35.142 - /* Install the new entry ... */ 35.143 - install: 35.144 - HYPERVISOR_update_descriptor(phys_lp, entry_1, entry_2); 35.145 - error = 0; 35.146 - 35.147 - out_unlock: 35.148 - up_write(&mm->mmap_sem); 35.149 - out: 35.150 - return error; 35.151 -} 35.152 - 35.153 -asmlinkage int sys_modify_ldt(int func, void *ptr, unsigned long bytecount) 35.154 -{ 35.155 - int ret = -ENOSYS; 35.156 - 35.157 - switch (func) { 35.158 - case 0: 35.159 - ret = read_ldt(ptr, bytecount); 35.160 - break; 35.161 - case 1: 35.162 - ret = write_ldt(ptr, bytecount, 1); 35.163 - break; 35.164 - case 2: 35.165 - ret = read_default_ldt(ptr, bytecount); 35.166 - break; 35.167 - case 0x11: 35.168 - ret = write_ldt(ptr, bytecount, 0); 35.169 - break; 35.170 - } 35.171 - return ret; 35.172 -}
36.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/process.c Tue Jun 24 12:05:12 2003 +0000 36.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 36.3 @@ -1,487 +0,0 @@ 36.4 -/* 36.5 - * linux/arch/i386/kernel/process.c 36.6 - * 36.7 - * Copyright (C) 1995 Linus Torvalds 36.8 - * 36.9 - * Pentium III FXSR, SSE support 36.10 - * Gareth Hughes <gareth@valinux.com>, May 2000 36.11 - */ 36.12 - 36.13 -/* 36.14 - * This file handles the architecture-dependent parts of process handling.. 36.15 - */ 36.16 - 36.17 -#define __KERNEL_SYSCALLS__ 36.18 -#include <stdarg.h> 36.19 - 36.20 -#include <linux/errno.h> 36.21 -#include <linux/sched.h> 36.22 -#include <linux/kernel.h> 36.23 -#include <linux/mm.h> 36.24 -#include <linux/smp.h> 36.25 -#include <linux/smp_lock.h> 36.26 -#include <linux/stddef.h> 36.27 -#include <linux/unistd.h> 36.28 -#include <linux/ptrace.h> 36.29 -#include <linux/slab.h> 36.30 -#include <linux/vmalloc.h> 36.31 -#include <linux/user.h> 36.32 -#include <linux/a.out.h> 36.33 -#include <linux/interrupt.h> 36.34 -#include <linux/config.h> 36.35 -#include <linux/delay.h> 36.36 -#include <linux/reboot.h> 36.37 -#include <linux/init.h> 36.38 -#include <linux/mc146818rtc.h> 36.39 - 36.40 -#include <asm/uaccess.h> 36.41 -#include <asm/pgtable.h> 36.42 -#include <asm/system.h> 36.43 -#include <asm/io.h> 36.44 -#include <asm/ldt.h> 36.45 -#include <asm/processor.h> 36.46 -#include <asm/i387.h> 36.47 -#include <asm/desc.h> 36.48 -#include <asm/mmu_context.h> 36.49 -#include <asm/multicall.h> 36.50 - 36.51 -#include <linux/irq.h> 36.52 - 36.53 -asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); 36.54 - 36.55 -int hlt_counter; 36.56 - 36.57 -/* 36.58 - * Powermanagement idle function, if any.. 36.59 - */ 36.60 -void (*pm_idle)(void); 36.61 - 36.62 -/* 36.63 - * Power off function, if any 36.64 - */ 36.65 -void (*pm_power_off)(void); 36.66 - 36.67 -void disable_hlt(void) 36.68 -{ 36.69 - hlt_counter++; 36.70 -} 36.71 - 36.72 -void enable_hlt(void) 36.73 -{ 36.74 - hlt_counter--; 36.75 -} 36.76 - 36.77 -/* 36.78 - * The idle thread. There's no useful work to be 36.79 - * done, so just try to conserve power and have a 36.80 - * low exit latency (ie sit in a loop waiting for 36.81 - * somebody to say that they'd like to reschedule) 36.82 - */ 36.83 -void cpu_idle (void) 36.84 -{ 36.85 - /* endless idle loop with no priority at all */ 36.86 - init_idle(); 36.87 - current->nice = 20; 36.88 - current->counter = -100; 36.89 - 36.90 - while (1) { 36.91 - while (!current->need_resched) 36.92 - HYPERVISOR_yield(); 36.93 - schedule(); 36.94 - check_pgt_cache(); 36.95 - } 36.96 -} 36.97 - 36.98 -void machine_restart(char * __unused) 36.99 -{ 36.100 - HYPERVISOR_exit(); 36.101 -} 36.102 - 36.103 -void machine_halt(void) 36.104 -{ 36.105 - HYPERVISOR_exit(); 36.106 -} 36.107 - 36.108 -void machine_power_off(void) 36.109 -{ 36.110 - HYPERVISOR_exit(); 36.111 -} 36.112 - 36.113 -extern void show_trace(unsigned long* esp); 36.114 - 36.115 -void show_regs(struct pt_regs * regs) 36.116 -{ 36.117 - printk("\n"); 36.118 - printk("Pid: %d, comm: %20s\n", current->pid, current->comm); 36.119 - printk("EIP: %04x:[<%08lx>] CPU: %d",0xffff & regs->xcs,regs->eip, smp_processor_id()); 36.120 - if (regs->xcs & 2) 36.121 - printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp); 36.122 - printk(" EFLAGS: %08lx %s\n",regs->eflags, print_tainted()); 36.123 - printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", 36.124 - regs->eax,regs->ebx,regs->ecx,regs->edx); 36.125 - printk("ESI: %08lx EDI: %08lx EBP: %08lx", 36.126 - regs->esi, regs->edi, regs->ebp); 36.127 - printk(" DS: %04x ES: %04x\n", 36.128 - 0xffff & regs->xds,0xffff & regs->xes); 36.129 - 36.130 - show_trace(®s->esp); 36.131 -} 36.132 - 36.133 -/* 36.134 - * No need to lock the MM as we are the last user 36.135 - */ 36.136 -void release_segments(struct mm_struct *mm) 36.137 -{ 36.138 - void * ldt = mm->context.segments; 36.139 - 36.140 - /* 36.141 - * free the LDT 36.142 - */ 36.143 - if (ldt) { 36.144 - mm->context.segments = NULL; 36.145 - clear_LDT(); 36.146 - make_pages_writeable(ldt, (LDT_ENTRIES*LDT_ENTRY_SIZE)/PAGE_SIZE); 36.147 - flush_page_update_queue(); 36.148 - vfree(ldt); 36.149 - } 36.150 -} 36.151 - 36.152 -/* 36.153 - * Create a kernel thread 36.154 - */ 36.155 -int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) 36.156 -{ 36.157 - long retval, d0; 36.158 - 36.159 - __asm__ __volatile__( 36.160 - "movl %%esp,%%esi\n\t" 36.161 - "int $0x80\n\t" /* Linux/i386 system call */ 36.162 - "cmpl %%esp,%%esi\n\t" /* child or parent? */ 36.163 - "je 1f\n\t" /* parent - jump */ 36.164 - /* Load the argument into eax, and push it. That way, it does 36.165 - * not matter whether the called function is compiled with 36.166 - * -mregparm or not. */ 36.167 - "movl %4,%%eax\n\t" 36.168 - "pushl %%eax\n\t" 36.169 - "call *%5\n\t" /* call fn */ 36.170 - "movl %3,%0\n\t" /* exit */ 36.171 - "int $0x80\n" 36.172 - "1:\t" 36.173 - :"=&a" (retval), "=&S" (d0) 36.174 - :"0" (__NR_clone), "i" (__NR_exit), 36.175 - "r" (arg), "r" (fn), 36.176 - "b" (flags | CLONE_VM) 36.177 - : "memory"); 36.178 - 36.179 - return retval; 36.180 -} 36.181 - 36.182 -/* 36.183 - * Free current thread data structures etc.. 36.184 - */ 36.185 -void exit_thread(void) 36.186 -{ 36.187 - /* nothing to do ... */ 36.188 -} 36.189 - 36.190 -void flush_thread(void) 36.191 -{ 36.192 - struct task_struct *tsk = current; 36.193 - 36.194 - memset(tsk->thread.debugreg, 0, sizeof(unsigned long)*8); 36.195 - 36.196 - /* 36.197 - * Forget coprocessor state.. 36.198 - */ 36.199 - clear_fpu(tsk); 36.200 - tsk->used_math = 0; 36.201 -} 36.202 - 36.203 -void release_thread(struct task_struct *dead_task) 36.204 -{ 36.205 - if (dead_task->mm) { 36.206 - void * ldt = dead_task->mm->context.segments; 36.207 - 36.208 - // temporary debugging check 36.209 - if (ldt) { 36.210 - printk("WARNING: dead process %8s still has LDT? <%p>\n", 36.211 - dead_task->comm, ldt); 36.212 - BUG(); 36.213 - } 36.214 - } 36.215 -} 36.216 - 36.217 -/* 36.218 - * we do not have to muck with descriptors here, that is 36.219 - * done in switch_mm() as needed. 36.220 - */ 36.221 -void copy_segments(struct task_struct *p, struct mm_struct *new_mm) 36.222 -{ 36.223 - struct mm_struct * old_mm; 36.224 - void *old_ldt, *ldt; 36.225 - 36.226 - ldt = NULL; 36.227 - old_mm = current->mm; 36.228 - if (old_mm && (old_ldt = old_mm->context.segments) != NULL) { 36.229 - /* 36.230 - * Completely new LDT, we initialize it from the parent: 36.231 - */ 36.232 - ldt = vmalloc(LDT_ENTRIES*LDT_ENTRY_SIZE); 36.233 - if ( ldt == NULL ) 36.234 - { 36.235 - printk(KERN_WARNING "ldt allocation failed\n"); 36.236 - } 36.237 - else 36.238 - { 36.239 - memcpy(ldt, old_ldt, LDT_ENTRIES*LDT_ENTRY_SIZE); 36.240 - make_pages_readonly(ldt, (LDT_ENTRIES*LDT_ENTRY_SIZE)/PAGE_SIZE); 36.241 - } 36.242 - } 36.243 - new_mm->context.segments = ldt; 36.244 - new_mm->context.cpuvalid = ~0UL; /* valid on all CPU's - they can't have stale data */ 36.245 -} 36.246 - 36.247 -/* 36.248 - * Save a segment. 36.249 - */ 36.250 -#define savesegment(seg,value) \ 36.251 - asm volatile("movl %%" #seg ",%0":"=m" (*(int *)&(value))) 36.252 - 36.253 -int copy_thread(int nr, unsigned long clone_flags, unsigned long esp, 36.254 - unsigned long unused, 36.255 - struct task_struct * p, struct pt_regs * regs) 36.256 -{ 36.257 - struct pt_regs * childregs; 36.258 - unsigned long eflags; 36.259 - 36.260 - childregs = ((struct pt_regs *) (THREAD_SIZE + (unsigned long) p)) - 1; 36.261 - struct_cpy(childregs, regs); 36.262 - childregs->eax = 0; 36.263 - childregs->esp = esp; 36.264 - 36.265 - p->thread.esp = (unsigned long) childregs; 36.266 - p->thread.esp0 = (unsigned long) (childregs+1); 36.267 - 36.268 - p->thread.eip = (unsigned long) ret_from_fork; 36.269 - 36.270 - savesegment(fs,p->thread.fs); 36.271 - savesegment(gs,p->thread.gs); 36.272 - 36.273 - unlazy_fpu(current); 36.274 - struct_cpy(&p->thread.i387, ¤t->thread.i387); 36.275 - 36.276 - 36.277 - __asm__ __volatile__ ( "pushfl; popl %0" : "=r" (eflags) : ); 36.278 - p->thread.io_pl = (eflags >> 12) & 3; 36.279 - 36.280 - /* We're careful with hypercall privileges. Don't allow inheritance. */ 36.281 - p->thread.hypercall_pl = 1; 36.282 - 36.283 - return 0; 36.284 -} 36.285 - 36.286 -/* 36.287 - * fill in the user structure for a core dump.. 36.288 - */ 36.289 -void dump_thread(struct pt_regs * regs, struct user * dump) 36.290 -{ 36.291 - int i; 36.292 - 36.293 -/* changed the size calculations - should hopefully work better. lbt */ 36.294 - dump->magic = CMAGIC; 36.295 - dump->start_code = 0; 36.296 - dump->start_stack = regs->esp & ~(PAGE_SIZE - 1); 36.297 - dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; 36.298 - dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; 36.299 - dump->u_dsize -= dump->u_tsize; 36.300 - dump->u_ssize = 0; 36.301 - for (i = 0; i < 8; i++) 36.302 - dump->u_debugreg[i] = current->thread.debugreg[i]; 36.303 - 36.304 - if (dump->start_stack < TASK_SIZE) 36.305 - dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT; 36.306 - 36.307 - dump->regs.ebx = regs->ebx; 36.308 - dump->regs.ecx = regs->ecx; 36.309 - dump->regs.edx = regs->edx; 36.310 - dump->regs.esi = regs->esi; 36.311 - dump->regs.edi = regs->edi; 36.312 - dump->regs.ebp = regs->ebp; 36.313 - dump->regs.eax = regs->eax; 36.314 - dump->regs.ds = regs->xds; 36.315 - dump->regs.es = regs->xes; 36.316 - savesegment(fs,dump->regs.fs); 36.317 - savesegment(gs,dump->regs.gs); 36.318 - dump->regs.orig_eax = regs->orig_eax; 36.319 - dump->regs.eip = regs->eip; 36.320 - dump->regs.cs = regs->xcs; 36.321 - dump->regs.eflags = regs->eflags; 36.322 - dump->regs.esp = regs->esp; 36.323 - dump->regs.ss = regs->xss; 36.324 - 36.325 - dump->u_fpvalid = dump_fpu (regs, &dump->i387); 36.326 -} 36.327 - 36.328 -/* 36.329 - * switch_to(x,yn) should switch tasks from x to y. 36.330 - * 36.331 - * We fsave/fwait so that an exception goes off at the right time 36.332 - * (as a call from the fsave or fwait in effect) rather than to 36.333 - * the wrong process. Lazy FP saving no longer makes any sense 36.334 - * with modern CPU's, and this simplifies a lot of things (SMP 36.335 - * and UP become the same). 36.336 - * 36.337 - * NOTE! We used to use the x86 hardware context switching. The 36.338 - * reason for not using it any more becomes apparent when you 36.339 - * try to recover gracefully from saved state that is no longer 36.340 - * valid (stale segment register values in particular). With the 36.341 - * hardware task-switch, there is no way to fix up bad state in 36.342 - * a reasonable manner. 36.343 - * 36.344 - * The fact that Intel documents the hardware task-switching to 36.345 - * be slow is a fairly red herring - this code is not noticeably 36.346 - * faster. However, there _is_ some room for improvement here, 36.347 - * so the performance issues may eventually be a valid point. 36.348 - * More important, however, is the fact that this allows us much 36.349 - * more flexibility. 36.350 - */ 36.351 -void __switch_to(struct task_struct *prev_p, struct task_struct *next_p) 36.352 -{ 36.353 - struct thread_struct *prev = &prev_p->thread, 36.354 - *next = &next_p->thread; 36.355 - 36.356 - __cli(); 36.357 - 36.358 - MULTICALL_flush_page_update_queue(); 36.359 - 36.360 - /* 36.361 - * This is basically 'unlazy_fpu', except that we queue a multicall to 36.362 - * indicate FPU task switch, rather than synchronously trapping to Xen. 36.363 - */ 36.364 - if ( prev_p->flags & PF_USEDFPU ) 36.365 - { 36.366 - if ( cpu_has_fxsr ) 36.367 - asm volatile( "fxsave %0 ; fnclex" 36.368 - : "=m" (prev_p->thread.i387.fxsave) ); 36.369 - else 36.370 - asm volatile( "fnsave %0 ; fwait" 36.371 - : "=m" (prev_p->thread.i387.fsave) ); 36.372 - prev_p->flags &= ~PF_USEDFPU; 36.373 - queue_multicall0(__HYPERVISOR_fpu_taskswitch); 36.374 - } 36.375 - 36.376 - queue_multicall2(__HYPERVISOR_stack_switch, __KERNEL_DS, next->esp0); 36.377 - /* Next call will silently fail if we are a non-privileged guest OS. */ 36.378 - queue_multicall2(__HYPERVISOR_set_priv_levels, 36.379 - next->io_pl, next->hypercall_pl); 36.380 - 36.381 - /* EXECUTE ALL TASK SWITCH XEN SYSCALLS AT THIS POINT. */ 36.382 - execute_multicall_list(); 36.383 - __sti(); 36.384 - 36.385 - /* 36.386 - * Restore %fs and %gs. 36.387 - */ 36.388 - loadsegment(fs, next->fs); 36.389 - loadsegment(gs, next->gs); 36.390 - 36.391 - /* 36.392 - * Now maybe reload the debug registers 36.393 - */ 36.394 - if ( next->debugreg[7] != 0 ) 36.395 - { 36.396 - HYPERVISOR_set_debugreg(0, next->debugreg[0]); 36.397 - HYPERVISOR_set_debugreg(1, next->debugreg[1]); 36.398 - HYPERVISOR_set_debugreg(2, next->debugreg[2]); 36.399 - HYPERVISOR_set_debugreg(3, next->debugreg[3]); 36.400 - /* no 4 and 5 */ 36.401 - HYPERVISOR_set_debugreg(6, next->debugreg[6]); 36.402 - HYPERVISOR_set_debugreg(7, next->debugreg[7]); 36.403 - } 36.404 -} 36.405 - 36.406 -asmlinkage int sys_fork(struct pt_regs regs) 36.407 -{ 36.408 - return do_fork(SIGCHLD, regs.esp, ®s, 0); 36.409 -} 36.410 - 36.411 -asmlinkage int sys_clone(struct pt_regs regs) 36.412 -{ 36.413 - unsigned long clone_flags; 36.414 - unsigned long newsp; 36.415 - 36.416 - clone_flags = regs.ebx; 36.417 - newsp = regs.ecx; 36.418 - if (!newsp) 36.419 - newsp = regs.esp; 36.420 - return do_fork(clone_flags, newsp, ®s, 0); 36.421 -} 36.422 - 36.423 -/* 36.424 - * This is trivial, and on the face of it looks like it 36.425 - * could equally well be done in user mode. 36.426 - * 36.427 - * Not so, for quite unobvious reasons - register pressure. 36.428 - * In user mode vfork() cannot have a stack frame, and if 36.429 - * done by calling the "clone()" system call directly, you 36.430 - * do not have enough call-clobbered registers to hold all 36.431 - * the information you need. 36.432 - */ 36.433 -asmlinkage int sys_vfork(struct pt_regs regs) 36.434 -{ 36.435 - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.esp, ®s, 0); 36.436 -} 36.437 - 36.438 -/* 36.439 - * sys_execve() executes a new program. 36.440 - */ 36.441 -asmlinkage int sys_execve(struct pt_regs regs) 36.442 -{ 36.443 - int error; 36.444 - char * filename; 36.445 - 36.446 - filename = getname((char *) regs.ebx); 36.447 - error = PTR_ERR(filename); 36.448 - if (IS_ERR(filename)) 36.449 - goto out; 36.450 - error = do_execve(filename, (char **) regs.ecx, (char **) regs.edx, ®s); 36.451 - if (error == 0) 36.452 - current->ptrace &= ~PT_DTRACE; 36.453 - putname(filename); 36.454 - out: 36.455 - return error; 36.456 -} 36.457 - 36.458 -/* 36.459 - * These bracket the sleeping functions.. 36.460 - */ 36.461 -extern void scheduling_functions_start_here(void); 36.462 -extern void scheduling_functions_end_here(void); 36.463 -#define first_sched ((unsigned long) scheduling_functions_start_here) 36.464 -#define last_sched ((unsigned long) scheduling_functions_end_here) 36.465 - 36.466 -unsigned long get_wchan(struct task_struct *p) 36.467 -{ 36.468 - unsigned long ebp, esp, eip; 36.469 - unsigned long stack_page; 36.470 - int count = 0; 36.471 - if (!p || p == current || p->state == TASK_RUNNING) 36.472 - return 0; 36.473 - stack_page = (unsigned long)p; 36.474 - esp = p->thread.esp; 36.475 - if (!stack_page || esp < stack_page || esp > 8188+stack_page) 36.476 - return 0; 36.477 - /* include/asm-i386/system.h:switch_to() pushes ebp last. */ 36.478 - ebp = *(unsigned long *) esp; 36.479 - do { 36.480 - if (ebp < stack_page || ebp > 8184+stack_page) 36.481 - return 0; 36.482 - eip = *(unsigned long *) (ebp+4); 36.483 - if (eip < first_sched || eip >= last_sched) 36.484 - return eip; 36.485 - ebp = *(unsigned long *) ebp; 36.486 - } while (count++ < 16); 36.487 - return 0; 36.488 -} 36.489 -#undef last_sched 36.490 -#undef first_sched
37.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/setup.c Tue Jun 24 12:05:12 2003 +0000 37.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 37.3 @@ -1,1027 +0,0 @@ 37.4 -/* 37.5 - * linux/arch/i386/kernel/setup.c 37.6 - * 37.7 - * Copyright (C) 1995 Linus Torvalds 37.8 - */ 37.9 - 37.10 -/* 37.11 - * This file handles the architecture-dependent parts of initialization 37.12 - */ 37.13 - 37.14 -#include <linux/errno.h> 37.15 -#include <linux/sched.h> 37.16 -#include <linux/kernel.h> 37.17 -#include <linux/mm.h> 37.18 -#include <linux/stddef.h> 37.19 -#include <linux/unistd.h> 37.20 -#include <linux/ptrace.h> 37.21 -#include <linux/slab.h> 37.22 -#include <linux/user.h> 37.23 -#include <linux/a.out.h> 37.24 -#include <linux/tty.h> 37.25 -#include <linux/ioport.h> 37.26 -#include <linux/delay.h> 37.27 -#include <linux/config.h> 37.28 -#include <linux/init.h> 37.29 -#include <linux/apm_bios.h> 37.30 -#ifdef CONFIG_BLK_DEV_RAM 37.31 -#include <linux/blk.h> 37.32 -#endif 37.33 -#include <linux/highmem.h> 37.34 -#include <linux/bootmem.h> 37.35 -#include <linux/seq_file.h> 37.36 -#include <asm/processor.h> 37.37 -#include <linux/console.h> 37.38 -#include <asm/mtrr.h> 37.39 -#include <asm/uaccess.h> 37.40 -#include <asm/system.h> 37.41 -#include <asm/io.h> 37.42 -#include <asm/smp.h> 37.43 -#include <asm/msr.h> 37.44 -#include <asm/desc.h> 37.45 -#include <asm/dma.h> 37.46 -#include <asm/mpspec.h> 37.47 -#include <asm/mmu_context.h> 37.48 -#include <asm/hypervisor.h> 37.49 - 37.50 -shared_info_t *HYPERVISOR_shared_info; 37.51 - 37.52 -unsigned long *phys_to_machine_mapping; 37.53 - 37.54 -/* 37.55 - * Machine setup.. 37.56 - */ 37.57 - 37.58 -char ignore_irq13; /* set if exception 16 works */ 37.59 -struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; 37.60 - 37.61 -unsigned long mmu_cr4_features; 37.62 - 37.63 -/* 37.64 - * Bus types .. 37.65 - */ 37.66 -#ifdef CONFIG_EISA 37.67 -int EISA_bus; 37.68 -#endif 37.69 -int MCA_bus; 37.70 - 37.71 -/* for MCA, but anyone else can use it if they want */ 37.72 -unsigned int machine_id; 37.73 -unsigned int machine_submodel_id; 37.74 -unsigned int BIOS_revision; 37.75 -unsigned int mca_pentium_flag; 37.76 - 37.77 -/* For PCI or other memory-mapped resources */ 37.78 -unsigned long pci_mem_start = 0x10000000; 37.79 - 37.80 -/* 37.81 - * Setup options 37.82 - */ 37.83 -struct drive_info_struct { char dummy[32]; } drive_info; 37.84 -struct screen_info screen_info; 37.85 -struct apm_info apm_info; 37.86 -struct sys_desc_table_struct { 37.87 - unsigned short length; 37.88 - unsigned char table[0]; 37.89 -}; 37.90 - 37.91 -unsigned char aux_device_present; 37.92 - 37.93 -extern int root_mountflags; 37.94 -extern char _text, _etext, _edata, _end; 37.95 - 37.96 -int enable_acpi_smp_table; 37.97 - 37.98 -/* Raw start-of-day parameters from the hypervisor. */ 37.99 -union start_info_union start_info_union; 37.100 - 37.101 -#define COMMAND_LINE_SIZE 256 37.102 -static char command_line[COMMAND_LINE_SIZE]; 37.103 -char saved_command_line[COMMAND_LINE_SIZE]; 37.104 - 37.105 -static void __init parse_mem_cmdline (char ** cmdline_p) 37.106 -{ 37.107 - char c = ' ', *to = command_line, *from = saved_command_line; 37.108 - int len = 0; 37.109 - 37.110 - /* Save unparsed command line copy for /proc/cmdline */ 37.111 - memcpy(saved_command_line, start_info.cmd_line, COMMAND_LINE_SIZE); 37.112 - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; 37.113 - 37.114 - for (;;) { 37.115 - /* 37.116 - * "mem=nopentium" disables the 4MB page tables. 37.117 - * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM 37.118 - * to <mem>, overriding the bios size. 37.119 - * "mem=XXX[KkmM]@XXX[KkmM]" defines a memory region from 37.120 - * <start> to <start>+<mem>, overriding the bios size. 37.121 - */ 37.122 - if (c == ' ' && !memcmp(from, "mem=", 4)) { 37.123 - if (to != command_line) 37.124 - to--; 37.125 - if (!memcmp(from+4, "nopentium", 9)) { 37.126 - from += 9+4; 37.127 - } else if (!memcmp(from+4, "exactmap", 8)) { 37.128 - from += 8+4; 37.129 - } else { 37.130 - (void)memparse(from+4, &from); 37.131 - if (*from == '@') 37.132 - (void)memparse(from+1, &from); 37.133 - } 37.134 - } 37.135 - 37.136 - c = *(from++); 37.137 - if (!c) 37.138 - break; 37.139 - if (COMMAND_LINE_SIZE <= ++len) 37.140 - break; 37.141 - *(to++) = c; 37.142 - } 37.143 - *to = '\0'; 37.144 - *cmdline_p = command_line; 37.145 -} 37.146 - 37.147 -void __init setup_arch(char **cmdline_p) 37.148 -{ 37.149 - unsigned long start_pfn, max_pfn, max_low_pfn; 37.150 - unsigned long bootmap_size; 37.151 - unsigned long i; 37.152 - 37.153 - extern void hypervisor_callback(void); 37.154 - extern void failsafe_callback(void); 37.155 - 37.156 - extern unsigned long cpu0_pte_quicklist[]; 37.157 - extern unsigned long cpu0_pgd_quicklist[]; 37.158 - 37.159 - HYPERVISOR_set_callbacks( 37.160 - __KERNEL_CS, (unsigned long)hypervisor_callback, 37.161 - __KERNEL_CS, (unsigned long)failsafe_callback); 37.162 - 37.163 - boot_cpu_data.pgd_quick = cpu0_pgd_quicklist; 37.164 - boot_cpu_data.pte_quick = cpu0_pte_quicklist; 37.165 - 37.166 - ROOT_DEV = MKDEV(RAMDISK_MAJOR,0); 37.167 - memset(&drive_info, 0, sizeof(drive_info)); 37.168 - memset(&screen_info, 0, sizeof(screen_info)); 37.169 - // this is drawn from a dump from vgacon:startup in standard linux 37.170 - screen_info.orig_video_mode = 3; 37.171 - screen_info.orig_video_isVGA = 1; 37.172 - screen_info.orig_video_lines = 25; 37.173 - screen_info.orig_video_cols = 80; 37.174 - screen_info.orig_video_ega_bx = 3; 37.175 - screen_info.orig_video_points = 16; 37.176 - 37.177 - memset(&apm_info.bios, 0, sizeof(apm_info.bios)); 37.178 - aux_device_present = 0; 37.179 -#ifdef CONFIG_BLK_DEV_RAM 37.180 - rd_image_start = 0; 37.181 - rd_prompt = 0; 37.182 - rd_doload = 0; 37.183 -#endif 37.184 - 37.185 - root_mountflags &= ~MS_RDONLY; 37.186 - init_mm.start_code = (unsigned long) &_text; 37.187 - init_mm.end_code = (unsigned long) &_etext; 37.188 - init_mm.end_data = (unsigned long) &_edata; 37.189 - init_mm.brk = (unsigned long) &_end; 37.190 - 37.191 - parse_mem_cmdline(cmdline_p); 37.192 - 37.193 -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) 37.194 -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 37.195 -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) 37.196 - 37.197 -/* 37.198 - * 128MB for vmalloc and initrd 37.199 - */ 37.200 -#define VMALLOC_RESERVE (unsigned long)(128 << 20) 37.201 -#define MAXMEM (unsigned long)(HYPERVISOR_VIRT_START-PAGE_OFFSET-VMALLOC_RESERVE) 37.202 -#define MAXMEM_PFN PFN_DOWN(MAXMEM) 37.203 -#define MAX_NONPAE_PFN (1 << 20) 37.204 - 37.205 - /* 37.206 - * partially used pages are not usable - thus 37.207 - * we are rounding upwards: 37.208 - */ 37.209 -#ifdef CONFIG_BLK_DEV_INITRD 37.210 - if ( start_info.mod_start ) 37.211 - start_pfn = PFN_UP(__pa(start_info.mod_start + start_info.mod_len)); 37.212 - else 37.213 -#endif 37.214 - start_pfn = PFN_UP(__pa(&_end)); 37.215 - max_pfn = start_info.nr_pages; 37.216 - 37.217 - /* 37.218 - * Determine low and high memory ranges: 37.219 - */ 37.220 - max_low_pfn = max_pfn; 37.221 - if (max_low_pfn > MAXMEM_PFN) { 37.222 - max_low_pfn = MAXMEM_PFN; 37.223 -#ifndef CONFIG_HIGHMEM 37.224 - /* Maximum memory usable is what is directly addressable */ 37.225 - printk(KERN_WARNING "Warning only %ldMB will be used.\n", 37.226 - MAXMEM>>20); 37.227 - if (max_pfn > MAX_NONPAE_PFN) 37.228 - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); 37.229 - else 37.230 - printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); 37.231 -#else /* !CONFIG_HIGHMEM */ 37.232 -#ifndef CONFIG_X86_PAE 37.233 - if (max_pfn > MAX_NONPAE_PFN) { 37.234 - max_pfn = MAX_NONPAE_PFN; 37.235 - printk(KERN_WARNING "Warning only 4GB will be used.\n"); 37.236 - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); 37.237 - } 37.238 -#endif /* !CONFIG_X86_PAE */ 37.239 -#endif /* !CONFIG_HIGHMEM */ 37.240 - } 37.241 - 37.242 -#ifdef CONFIG_HIGHMEM 37.243 - highstart_pfn = highend_pfn = max_pfn; 37.244 - if (max_pfn > MAXMEM_PFN) { 37.245 - highstart_pfn = MAXMEM_PFN; 37.246 - printk(KERN_NOTICE "%ldMB HIGHMEM available.\n", 37.247 - pages_to_mb(highend_pfn - highstart_pfn)); 37.248 - } 37.249 -#endif 37.250 - 37.251 - /* 37.252 - * Initialize the boot-time allocator, and free up all RAM. 37.253 - * Then reserve space for OS image, and the bootmem bitmap. 37.254 - */ 37.255 - bootmap_size = init_bootmem(start_pfn, max_low_pfn); 37.256 - free_bootmem(0, PFN_PHYS(max_low_pfn)); 37.257 - reserve_bootmem(0, PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE-1); 37.258 - 37.259 - /* Now reserve space for the hypervisor-provided page tables. */ 37.260 - { 37.261 - unsigned long *pgd = (unsigned long *)start_info.pt_base; 37.262 - unsigned long pte; 37.263 - int i; 37.264 - reserve_bootmem(__pa(pgd), PAGE_SIZE); 37.265 - for ( i = 0; i < (HYPERVISOR_VIRT_START>>22); i++ ) 37.266 - { 37.267 - unsigned long pgde = *pgd++; 37.268 - if ( !(pgde & 1) ) continue; 37.269 - pte = machine_to_phys(pgde & PAGE_MASK); 37.270 - reserve_bootmem(pte, PAGE_SIZE); 37.271 - } 37.272 - } 37.273 - cur_pgd = init_mm.pgd = (pgd_t *)start_info.pt_base; 37.274 - 37.275 - /* Now initialise the physical->machine mapping table. */ 37.276 - phys_to_machine_mapping = alloc_bootmem(max_pfn * sizeof(unsigned long)); 37.277 - for ( i = 0; i < max_pfn; i++ ) 37.278 - { 37.279 - unsigned long pgde, *ppte; 37.280 - unsigned long pfn = i + (PAGE_OFFSET >> PAGE_SHIFT); 37.281 - pgde = *((unsigned long *)start_info.pt_base + (pfn >> 10)); 37.282 - ppte = (unsigned long *)machine_to_phys(pgde & PAGE_MASK) + (pfn&1023); 37.283 - phys_to_machine_mapping[i] = 37.284 - (*(unsigned long *)__va(ppte)) >> PAGE_SHIFT; 37.285 - } 37.286 - 37.287 -#ifdef CONFIG_BLK_DEV_INITRD 37.288 - if (start_info.mod_start) { 37.289 - if ((__pa(start_info.mod_start) + start_info.mod_len) <= 37.290 - (max_low_pfn << PAGE_SHIFT)) { 37.291 - initrd_start = start_info.mod_start; 37.292 - initrd_end = initrd_start + start_info.mod_len; 37.293 - initrd_below_start_ok = 1; 37.294 - } 37.295 - else { 37.296 - printk(KERN_ERR "initrd extends beyond end of memory " 37.297 - "(0x%08lx > 0x%08lx)\ndisabling initrd\n", 37.298 - __pa(start_info.mod_start) + start_info.mod_len, 37.299 - max_low_pfn << PAGE_SHIFT); 37.300 - initrd_start = 0; 37.301 - } 37.302 - } 37.303 -#endif 37.304 - 37.305 - paging_init(); 37.306 - 37.307 - current->thread.hypercall_pl = 1; 37.308 - if ( start_info.flags & SIF_PRIVILEGED ) { 37.309 - current->thread.io_pl = 1; 37.310 - /* We are privileged guest os - should have IO privileges. */ 37.311 - if( HYPERVISOR_set_priv_levels(1, 1) ) 37.312 - panic("Unable to obtain IOPL, despite being SIF_PRIVILEGED"); 37.313 - } 37.314 - 37.315 - if(start_info.flags & SIF_CONSOLE) 37.316 - { 37.317 - if( !(start_info.flags & SIF_PRIVILEGED) ) 37.318 - panic("Xen granted us console access but not privileged status"); 37.319 - 37.320 -#ifdef CONFIG_VT 37.321 -#if defined(CONFIG_VGA_CONSOLE) 37.322 - conswitchp = &vga_con; 37.323 -#elif defined(CONFIG_DUMMY_CONSOLE) 37.324 - conswitchp = &dummy_con; 37.325 -#endif 37.326 -#endif 37.327 - } 37.328 -} 37.329 - 37.330 -static int cachesize_override __initdata = -1; 37.331 -static int __init cachesize_setup(char *str) 37.332 -{ 37.333 - get_option (&str, &cachesize_override); 37.334 - return 1; 37.335 -} 37.336 -__setup("cachesize=", cachesize_setup); 37.337 - 37.338 - 37.339 -static int __init get_model_name(struct cpuinfo_x86 *c) 37.340 -{ 37.341 - unsigned int *v; 37.342 - char *p, *q; 37.343 - 37.344 - if (cpuid_eax(0x80000000) < 0x80000004) 37.345 - return 0; 37.346 - 37.347 - v = (unsigned int *) c->x86_model_id; 37.348 - cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]); 37.349 - cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]); 37.350 - cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]); 37.351 - c->x86_model_id[48] = 0; 37.352 - 37.353 - /* Intel chips right-justify this string for some dumb reason; 37.354 - undo that brain damage */ 37.355 - p = q = &c->x86_model_id[0]; 37.356 - while ( *p == ' ' ) 37.357 - p++; 37.358 - if ( p != q ) { 37.359 - while ( *p ) 37.360 - *q++ = *p++; 37.361 - while ( q <= &c->x86_model_id[48] ) 37.362 - *q++ = '\0'; /* Zero-pad the rest */ 37.363 - } 37.364 - 37.365 - return 1; 37.366 -} 37.367 - 37.368 - 37.369 -static void __init display_cacheinfo(struct cpuinfo_x86 *c) 37.370 -{ 37.371 - unsigned int n, dummy, ecx, edx, l2size; 37.372 - 37.373 - n = cpuid_eax(0x80000000); 37.374 - 37.375 - if (n >= 0x80000005) { 37.376 - cpuid(0x80000005, &dummy, &dummy, &ecx, &edx); 37.377 - printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n", 37.378 - edx>>24, edx&0xFF, ecx>>24, ecx&0xFF); 37.379 - c->x86_cache_size=(ecx>>24)+(edx>>24); 37.380 - } 37.381 - 37.382 - if (n < 0x80000006) /* Some chips just has a large L1. */ 37.383 - return; 37.384 - 37.385 - ecx = cpuid_ecx(0x80000006); 37.386 - l2size = ecx >> 16; 37.387 - 37.388 - /* AMD errata T13 (order #21922) */ 37.389 - if ((c->x86_vendor == X86_VENDOR_AMD) && (c->x86 == 6)) { 37.390 - if (c->x86_model == 3 && c->x86_mask == 0) /* Duron Rev A0 */ 37.391 - l2size = 64; 37.392 - if (c->x86_model == 4 && 37.393 - (c->x86_mask==0 || c->x86_mask==1)) /* Tbird rev A1/A2 */ 37.394 - l2size = 256; 37.395 - } 37.396 - 37.397 - /* Intel PIII Tualatin. This comes in two flavours. 37.398 - * One has 256kb of cache, the other 512. We have no way 37.399 - * to determine which, so we use a boottime override 37.400 - * for the 512kb model, and assume 256 otherwise. 37.401 - */ 37.402 - if ((c->x86_vendor == X86_VENDOR_INTEL) && (c->x86 == 6) && 37.403 - (c->x86_model == 11) && (l2size == 0)) 37.404 - l2size = 256; 37.405 - 37.406 - /* VIA C3 CPUs (670-68F) need further shifting. */ 37.407 - if (c->x86_vendor == X86_VENDOR_CENTAUR && (c->x86 == 6) && 37.408 - ((c->x86_model == 7) || (c->x86_model == 8))) { 37.409 - l2size = l2size >> 8; 37.410 - } 37.411 - 37.412 - /* Allow user to override all this if necessary. */ 37.413 - if (cachesize_override != -1) 37.414 - l2size = cachesize_override; 37.415 - 37.416 - if ( l2size == 0 ) 37.417 - return; /* Again, no L2 cache is possible */ 37.418 - 37.419 - c->x86_cache_size = l2size; 37.420 - 37.421 - printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n", 37.422 - l2size, ecx & 0xFF); 37.423 -} 37.424 - 37.425 - 37.426 -static int __init init_amd(struct cpuinfo_x86 *c) 37.427 -{ 37.428 - int r; 37.429 - 37.430 - /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; 37.431 - 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */ 37.432 - clear_bit(0*32+31, &c->x86_capability); 37.433 - 37.434 - r = get_model_name(c); 37.435 - 37.436 - switch(c->x86) 37.437 - { 37.438 - case 6: /* An Athlon/Duron. We can trust the BIOS probably */ 37.439 - break; 37.440 - default: 37.441 - panic("Unsupported AMD processor\n"); 37.442 - } 37.443 - 37.444 - display_cacheinfo(c); 37.445 - return r; 37.446 -} 37.447 - 37.448 - 37.449 -static void __init init_intel(struct cpuinfo_x86 *c) 37.450 -{ 37.451 - char *p = NULL; 37.452 - unsigned int l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */ 37.453 - 37.454 - if (c->cpuid_level > 1) { 37.455 - /* supports eax=2 call */ 37.456 - int i, j, n; 37.457 - int regs[4]; 37.458 - unsigned char *dp = (unsigned char *)regs; 37.459 - 37.460 - /* Number of times to iterate */ 37.461 - n = cpuid_eax(2) & 0xFF; 37.462 - 37.463 - for ( i = 0 ; i < n ; i++ ) { 37.464 - cpuid(2, ®s[0], ®s[1], ®s[2], ®s[3]); 37.465 - 37.466 - /* If bit 31 is set, this is an unknown format */ 37.467 - for ( j = 0 ; j < 3 ; j++ ) { 37.468 - if ( regs[j] < 0 ) regs[j] = 0; 37.469 - } 37.470 - 37.471 - /* Byte 0 is level count, not a descriptor */ 37.472 - for ( j = 1 ; j < 16 ; j++ ) { 37.473 - unsigned char des = dp[j]; 37.474 - unsigned char dl, dh; 37.475 - unsigned int cs; 37.476 - 37.477 - dh = des >> 4; 37.478 - dl = des & 0x0F; 37.479 - 37.480 - /* Black magic... */ 37.481 - 37.482 - switch ( dh ) 37.483 - { 37.484 - case 0: 37.485 - switch ( dl ) { 37.486 - case 6: 37.487 - /* L1 I cache */ 37.488 - l1i += 8; 37.489 - break; 37.490 - case 8: 37.491 - /* L1 I cache */ 37.492 - l1i += 16; 37.493 - break; 37.494 - case 10: 37.495 - /* L1 D cache */ 37.496 - l1d += 8; 37.497 - break; 37.498 - case 12: 37.499 - /* L1 D cache */ 37.500 - l1d += 16; 37.501 - break; 37.502 - default:; 37.503 - /* TLB, or unknown */ 37.504 - } 37.505 - break; 37.506 - case 2: 37.507 - if ( dl ) { 37.508 - /* L3 cache */ 37.509 - cs = (dl-1) << 9; 37.510 - l3 += cs; 37.511 - } 37.512 - break; 37.513 - case 4: 37.514 - if ( c->x86 > 6 && dl ) { 37.515 - /* P4 family */ 37.516 - /* L3 cache */ 37.517 - cs = 128 << (dl-1); 37.518 - l3 += cs; 37.519 - break; 37.520 - } 37.521 - /* else same as 8 - fall through */ 37.522 - case 8: 37.523 - if ( dl ) { 37.524 - /* L2 cache */ 37.525 - cs = 128 << (dl-1); 37.526 - l2 += cs; 37.527 - } 37.528 - break; 37.529 - case 6: 37.530 - if (dl > 5) { 37.531 - /* L1 D cache */ 37.532 - cs = 8<<(dl-6); 37.533 - l1d += cs; 37.534 - } 37.535 - break; 37.536 - case 7: 37.537 - if ( dl >= 8 ) 37.538 - { 37.539 - /* L2 cache */ 37.540 - cs = 64<<(dl-8); 37.541 - l2 += cs; 37.542 - } else { 37.543 - /* L0 I cache, count as L1 */ 37.544 - cs = dl ? (16 << (dl-1)) : 12; 37.545 - l1i += cs; 37.546 - } 37.547 - break; 37.548 - default: 37.549 - /* TLB, or something else we don't know about */ 37.550 - break; 37.551 - } 37.552 - } 37.553 - } 37.554 - if ( l1i || l1d ) 37.555 - printk(KERN_INFO "CPU: L1 I cache: %dK, L1 D cache: %dK\n", 37.556 - l1i, l1d); 37.557 - if ( l2 ) 37.558 - printk(KERN_INFO "CPU: L2 cache: %dK\n", l2); 37.559 - if ( l3 ) 37.560 - printk(KERN_INFO "CPU: L3 cache: %dK\n", l3); 37.561 - 37.562 - /* 37.563 - * This assumes the L3 cache is shared; it typically lives in 37.564 - * the northbridge. The L1 caches are included by the L2 37.565 - * cache, and so should not be included for the purpose of 37.566 - * SMP switching weights. 37.567 - */ 37.568 - c->x86_cache_size = l2 ? l2 : (l1i+l1d); 37.569 - } 37.570 - 37.571 - /* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it */ 37.572 - if ( c->x86 == 6 && c->x86_model < 3 && c->x86_mask < 3 ) 37.573 - clear_bit(X86_FEATURE_SEP, &c->x86_capability); 37.574 - 37.575 - /* Names for the Pentium II/Celeron processors 37.576 - detectable only by also checking the cache size. 37.577 - Dixon is NOT a Celeron. */ 37.578 - if (c->x86 == 6) { 37.579 - switch (c->x86_model) { 37.580 - case 5: 37.581 - if (l2 == 0) 37.582 - p = "Celeron (Covington)"; 37.583 - if (l2 == 256) 37.584 - p = "Mobile Pentium II (Dixon)"; 37.585 - break; 37.586 - 37.587 - case 6: 37.588 - if (l2 == 128) 37.589 - p = "Celeron (Mendocino)"; 37.590 - break; 37.591 - 37.592 - case 8: 37.593 - if (l2 == 128) 37.594 - p = "Celeron (Coppermine)"; 37.595 - break; 37.596 - } 37.597 - } 37.598 - 37.599 - if ( p ) 37.600 - strcpy(c->x86_model_id, p); 37.601 -} 37.602 - 37.603 -void __init get_cpu_vendor(struct cpuinfo_x86 *c) 37.604 -{ 37.605 - char *v = c->x86_vendor_id; 37.606 - 37.607 - if (!strcmp(v, "GenuineIntel")) 37.608 - c->x86_vendor = X86_VENDOR_INTEL; 37.609 - else if (!strcmp(v, "AuthenticAMD")) 37.610 - c->x86_vendor = X86_VENDOR_AMD; 37.611 - else 37.612 - c->x86_vendor = X86_VENDOR_UNKNOWN; 37.613 -} 37.614 - 37.615 -struct cpu_model_info { 37.616 - int vendor; 37.617 - int family; 37.618 - char *model_names[16]; 37.619 -}; 37.620 - 37.621 -/* Naming convention should be: <Name> [(<Codename>)] */ 37.622 -/* This table only is used unless init_<vendor>() below doesn't set it; */ 37.623 -/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */ 37.624 -static struct cpu_model_info cpu_models[] __initdata = { 37.625 - { X86_VENDOR_INTEL, 6, 37.626 - { "Pentium Pro A-step", "Pentium Pro", NULL, "Pentium II (Klamath)", 37.627 - NULL, "Pentium II (Deschutes)", "Mobile Pentium II", 37.628 - "Pentium III (Katmai)", "Pentium III (Coppermine)", NULL, 37.629 - "Pentium III (Cascades)", NULL, NULL, NULL, NULL }}, 37.630 - { X86_VENDOR_AMD, 6, /* Is this this really necessary?? */ 37.631 - { "Athlon", "Athlon", 37.632 - "Athlon", NULL, "Athlon", NULL, 37.633 - NULL, NULL, NULL, 37.634 - NULL, NULL, NULL, NULL, NULL, NULL, NULL }} 37.635 -}; 37.636 - 37.637 -/* Look up CPU names by table lookup. */ 37.638 -static char __init *table_lookup_model(struct cpuinfo_x86 *c) 37.639 -{ 37.640 - struct cpu_model_info *info = cpu_models; 37.641 - int i; 37.642 - 37.643 - if ( c->x86_model >= 16 ) 37.644 - return NULL; /* Range check */ 37.645 - 37.646 - for ( i = 0 ; i < sizeof(cpu_models)/sizeof(struct cpu_model_info) ; i++ ) { 37.647 - if ( info->vendor == c->x86_vendor && 37.648 - info->family == c->x86 ) { 37.649 - return info->model_names[c->x86_model]; 37.650 - } 37.651 - info++; 37.652 - } 37.653 - return NULL; /* Not found */ 37.654 -} 37.655 - 37.656 - 37.657 - 37.658 -/* Standard macro to see if a specific flag is changeable */ 37.659 -static inline int flag_is_changeable_p(u32 flag) 37.660 -{ 37.661 - u32 f1, f2; 37.662 - 37.663 - asm("pushfl\n\t" 37.664 - "pushfl\n\t" 37.665 - "popl %0\n\t" 37.666 - "movl %0,%1\n\t" 37.667 - "xorl %2,%0\n\t" 37.668 - "pushl %0\n\t" 37.669 - "popfl\n\t" 37.670 - "pushfl\n\t" 37.671 - "popl %0\n\t" 37.672 - "popfl\n\t" 37.673 - : "=&r" (f1), "=&r" (f2) 37.674 - : "ir" (flag)); 37.675 - 37.676 - return ((f1^f2) & flag) != 0; 37.677 -} 37.678 - 37.679 - 37.680 -/* Probe for the CPUID instruction */ 37.681 -static int __init have_cpuid_p(void) 37.682 -{ 37.683 - return flag_is_changeable_p(X86_EFLAGS_ID); 37.684 -} 37.685 - 37.686 - 37.687 - 37.688 -/* 37.689 - * This does the hard work of actually picking apart the CPU stuff... 37.690 - */ 37.691 -void __init identify_cpu(struct cpuinfo_x86 *c) 37.692 -{ 37.693 - int junk, i; 37.694 - u32 xlvl, tfms; 37.695 - 37.696 - c->loops_per_jiffy = loops_per_jiffy; 37.697 - c->x86_cache_size = -1; 37.698 - c->x86_vendor = X86_VENDOR_UNKNOWN; 37.699 - c->cpuid_level = -1; /* CPUID not detected */ 37.700 - c->x86_model = c->x86_mask = 0; /* So far unknown... */ 37.701 - c->x86_vendor_id[0] = '\0'; /* Unset */ 37.702 - c->x86_model_id[0] = '\0'; /* Unset */ 37.703 - memset(&c->x86_capability, 0, sizeof c->x86_capability); 37.704 - c->hard_math = 1; 37.705 - 37.706 - if ( !have_cpuid_p() ) { 37.707 - panic("Processor must support CPUID\n"); 37.708 - } else { 37.709 - /* CPU does have CPUID */ 37.710 - 37.711 - /* Get vendor name */ 37.712 - cpuid(0x00000000, &c->cpuid_level, 37.713 - (int *)&c->x86_vendor_id[0], 37.714 - (int *)&c->x86_vendor_id[8], 37.715 - (int *)&c->x86_vendor_id[4]); 37.716 - 37.717 - get_cpu_vendor(c); 37.718 - /* Initialize the standard set of capabilities */ 37.719 - /* Note that the vendor-specific code below might override */ 37.720 - 37.721 - /* Intel-defined flags: level 0x00000001 */ 37.722 - if ( c->cpuid_level >= 0x00000001 ) { 37.723 - cpuid(0x00000001, &tfms, &junk, &junk, 37.724 - &c->x86_capability[0]); 37.725 - c->x86 = (tfms >> 8) & 15; 37.726 - c->x86_model = (tfms >> 4) & 15; 37.727 - c->x86_mask = tfms & 15; 37.728 - } else { 37.729 - /* Have CPUID level 0 only - unheard of */ 37.730 - c->x86 = 4; 37.731 - } 37.732 - 37.733 - /* AMD-defined flags: level 0x80000001 */ 37.734 - xlvl = cpuid_eax(0x80000000); 37.735 - if ( (xlvl & 0xffff0000) == 0x80000000 ) { 37.736 - if ( xlvl >= 0x80000001 ) 37.737 - c->x86_capability[1] = cpuid_edx(0x80000001); 37.738 - if ( xlvl >= 0x80000004 ) 37.739 - get_model_name(c); /* Default name */ 37.740 - } 37.741 - 37.742 - /* Transmeta-defined flags: level 0x80860001 */ 37.743 - xlvl = cpuid_eax(0x80860000); 37.744 - if ( (xlvl & 0xffff0000) == 0x80860000 ) { 37.745 - if ( xlvl >= 0x80860001 ) 37.746 - c->x86_capability[2] = cpuid_edx(0x80860001); 37.747 - } 37.748 - } 37.749 - 37.750 - printk(KERN_DEBUG "CPU: Before vendor init, caps: %08x %08x %08x, vendor = %d\n", 37.751 - c->x86_capability[0], 37.752 - c->x86_capability[1], 37.753 - c->x86_capability[2], 37.754 - c->x86_vendor); 37.755 - 37.756 - /* 37.757 - * Vendor-specific initialization. In this section we 37.758 - * canonicalize the feature flags, meaning if there are 37.759 - * features a certain CPU supports which CPUID doesn't 37.760 - * tell us, CPUID claiming incorrect flags, or other bugs, 37.761 - * we handle them here. 37.762 - * 37.763 - * At the end of this section, c->x86_capability better 37.764 - * indicate the features this CPU genuinely supports! 37.765 - */ 37.766 - switch ( c->x86_vendor ) { 37.767 - case X86_VENDOR_AMD: 37.768 - init_amd(c); 37.769 - break; 37.770 - 37.771 - case X86_VENDOR_INTEL: 37.772 - init_intel(c); 37.773 - break; 37.774 - 37.775 - default: 37.776 - panic("Unsupported CPU vendor\n"); 37.777 - } 37.778 - 37.779 - printk(KERN_DEBUG "CPU: After vendor init, caps: %08x %08x %08x %08x\n", 37.780 - c->x86_capability[0], 37.781 - c->x86_capability[1], 37.782 - c->x86_capability[2], 37.783 - c->x86_capability[3]); 37.784 - 37.785 - 37.786 - /* If the model name is still unset, do table lookup. */ 37.787 - if ( !c->x86_model_id[0] ) { 37.788 - char *p; 37.789 - p = table_lookup_model(c); 37.790 - if ( p ) 37.791 - strcpy(c->x86_model_id, p); 37.792 - else 37.793 - /* Last resort... */ 37.794 - sprintf(c->x86_model_id, "%02x/%02x", 37.795 - c->x86_vendor, c->x86_model); 37.796 - } 37.797 - 37.798 - /* Now the feature flags better reflect actual CPU features! */ 37.799 - 37.800 - printk(KERN_DEBUG "CPU: After generic, caps: %08x %08x %08x %08x\n", 37.801 - c->x86_capability[0], 37.802 - c->x86_capability[1], 37.803 - c->x86_capability[2], 37.804 - c->x86_capability[3]); 37.805 - 37.806 - /* 37.807 - * On SMP, boot_cpu_data holds the common feature set between 37.808 - * all CPUs; so make sure that we indicate which features are 37.809 - * common between the CPUs. The first time this routine gets 37.810 - * executed, c == &boot_cpu_data. 37.811 - */ 37.812 - if ( c != &boot_cpu_data ) { 37.813 - /* AND the already accumulated flags with these */ 37.814 - for ( i = 0 ; i < NCAPINTS ; i++ ) 37.815 - boot_cpu_data.x86_capability[i] &= c->x86_capability[i]; 37.816 - } 37.817 - 37.818 - printk(KERN_DEBUG "CPU: Common caps: %08x %08x %08x %08x\n", 37.819 - boot_cpu_data.x86_capability[0], 37.820 - boot_cpu_data.x86_capability[1], 37.821 - boot_cpu_data.x86_capability[2], 37.822 - boot_cpu_data.x86_capability[3]); 37.823 -} 37.824 - 37.825 - 37.826 -/* These need to match <asm/processor.h> */ 37.827 -static char *cpu_vendor_names[] __initdata = { 37.828 - "Intel", "Cyrix", "AMD", "UMC", "NexGen", "Centaur", "Rise", "Transmeta" }; 37.829 - 37.830 - 37.831 -void __init print_cpu_info(struct cpuinfo_x86 *c) 37.832 -{ 37.833 - char *vendor = NULL; 37.834 - 37.835 - if (c->x86_vendor < sizeof(cpu_vendor_names)/sizeof(char *)) 37.836 - vendor = cpu_vendor_names[c->x86_vendor]; 37.837 - else if (c->cpuid_level >= 0) 37.838 - vendor = c->x86_vendor_id; 37.839 - 37.840 - if (vendor && strncmp(c->x86_model_id, vendor, strlen(vendor))) 37.841 - printk("%s ", vendor); 37.842 - 37.843 - if (!c->x86_model_id[0]) 37.844 - printk("%d86", c->x86); 37.845 - else 37.846 - printk("%s", c->x86_model_id); 37.847 - 37.848 - if (c->x86_mask || c->cpuid_level >= 0) 37.849 - printk(" stepping %02x\n", c->x86_mask); 37.850 - else 37.851 - printk("\n"); 37.852 -} 37.853 - 37.854 -/* 37.855 - * Get CPU information for use by the procfs. 37.856 - */ 37.857 -static int show_cpuinfo(struct seq_file *m, void *v) 37.858 -{ 37.859 - /* 37.860 - * These flag bits must match the definitions in <asm/cpufeature.h>. 37.861 - * NULL means this bit is undefined or reserved; either way it doesn't 37.862 - * have meaning as far as Linux is concerned. Note that it's important 37.863 - * to realize there is a difference between this table and CPUID -- if 37.864 - * applications want to get the raw CPUID data, they should access 37.865 - * /dev/cpu/<cpu_nr>/cpuid instead. 37.866 - */ 37.867 - static char *x86_cap_flags[] = { 37.868 - /* Intel-defined */ 37.869 - "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", 37.870 - "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", 37.871 - "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", 37.872 - "fxsr", "sse", "sse2", "ss", NULL, "tm", "ia64", NULL, 37.873 - 37.874 - /* AMD-defined */ 37.875 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.876 - NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, 37.877 - NULL, NULL, NULL, NULL, NULL, NULL, "mmxext", NULL, 37.878 - NULL, NULL, NULL, NULL, NULL, "lm", "3dnowext", "3dnow", 37.879 - 37.880 - /* Transmeta-defined */ 37.881 - "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, 37.882 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.883 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.884 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.885 - 37.886 - /* Other (Linux-defined) */ 37.887 - "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", NULL, NULL, NULL, NULL, 37.888 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.889 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.890 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 37.891 - }; 37.892 - struct cpuinfo_x86 *c = v; 37.893 - int i, n = c - cpu_data; 37.894 - int fpu_exception; 37.895 - 37.896 -#ifdef CONFIG_SMP 37.897 - if (!(cpu_online_map & (1<<n))) 37.898 - return 0; 37.899 -#endif 37.900 - seq_printf(m, "processor\t: %d\n" 37.901 - "vendor_id\t: %s\n" 37.902 - "cpu family\t: %d\n" 37.903 - "model\t\t: %d\n" 37.904 - "model name\t: %s\n", 37.905 - n, 37.906 - c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown", 37.907 - c->x86, 37.908 - c->x86_model, 37.909 - c->x86_model_id[0] ? c->x86_model_id : "unknown"); 37.910 - 37.911 - if (c->x86_mask || c->cpuid_level >= 0) 37.912 - seq_printf(m, "stepping\t: %d\n", c->x86_mask); 37.913 - else 37.914 - seq_printf(m, "stepping\t: unknown\n"); 37.915 - 37.916 - if ( test_bit(X86_FEATURE_TSC, &c->x86_capability) ) { 37.917 - seq_printf(m, "cpu MHz\t\t: %lu.%03lu\n", 37.918 - cpu_khz / 1000, (cpu_khz % 1000)); 37.919 - } 37.920 - 37.921 - /* Cache size */ 37.922 - if (c->x86_cache_size >= 0) 37.923 - seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size); 37.924 - 37.925 - /* We use exception 16 if we have hardware math and we've either seen it or the CPU claims it is internal */ 37.926 - fpu_exception = c->hard_math && (ignore_irq13 || cpu_has_fpu); 37.927 - seq_printf(m, "fdiv_bug\t: %s\n" 37.928 - "hlt_bug\t\t: %s\n" 37.929 - "f00f_bug\t: %s\n" 37.930 - "coma_bug\t: %s\n" 37.931 - "fpu\t\t: %s\n" 37.932 - "fpu_exception\t: %s\n" 37.933 - "cpuid level\t: %d\n" 37.934 - "wp\t\t: %s\n" 37.935 - "flags\t\t:", 37.936 - c->fdiv_bug ? "yes" : "no", 37.937 - c->hlt_works_ok ? "no" : "yes", 37.938 - c->f00f_bug ? "yes" : "no", 37.939 - c->coma_bug ? "yes" : "no", 37.940 - c->hard_math ? "yes" : "no", 37.941 - fpu_exception ? "yes" : "no", 37.942 - c->cpuid_level, 37.943 - c->wp_works_ok ? "yes" : "no"); 37.944 - 37.945 - for ( i = 0 ; i < 32*NCAPINTS ; i++ ) 37.946 - if ( test_bit(i, &c->x86_capability) && 37.947 - x86_cap_flags[i] != NULL ) 37.948 - seq_printf(m, " %s", x86_cap_flags[i]); 37.949 - 37.950 - seq_printf(m, "\nbogomips\t: %lu.%02lu\n\n", 37.951 - c->loops_per_jiffy/(500000/HZ), 37.952 - (c->loops_per_jiffy/(5000/HZ)) % 100); 37.953 - return 0; 37.954 -} 37.955 - 37.956 -static void *c_start(struct seq_file *m, loff_t *pos) 37.957 -{ 37.958 - return *pos < NR_CPUS ? cpu_data + *pos : NULL; 37.959 -} 37.960 -static void *c_next(struct seq_file *m, void *v, loff_t *pos) 37.961 -{ 37.962 - ++*pos; 37.963 - return c_start(m, pos); 37.964 -} 37.965 -static void c_stop(struct seq_file *m, void *v) 37.966 -{ 37.967 -} 37.968 -struct seq_operations cpuinfo_op = { 37.969 - start: c_start, 37.970 - next: c_next, 37.971 - stop: c_stop, 37.972 - show: show_cpuinfo, 37.973 -}; 37.974 - 37.975 -unsigned long cpu_initialized __initdata = 0; 37.976 - 37.977 -/* 37.978 - * cpu_init() initializes state that is per-CPU. Some data is already 37.979 - * initialized (naturally) in the bootstrap process, such as the GDT 37.980 - * and IDT. We reload them nevertheless, this function acts as a 37.981 - * 'CPU state barrier', nothing should get across. 37.982 - */ 37.983 -void __init cpu_init (void) 37.984 -{ 37.985 - int nr = smp_processor_id(); 37.986 - 37.987 - if (test_and_set_bit(nr, &cpu_initialized)) { 37.988 - printk(KERN_WARNING "CPU#%d already initialized!\n", nr); 37.989 - for (;;) __sti(); 37.990 - } 37.991 - printk(KERN_INFO "Initializing CPU#%d\n", nr); 37.992 - 37.993 - /* 37.994 - * set up and load the per-CPU TSS and LDT 37.995 - */ 37.996 - atomic_inc(&init_mm.mm_count); 37.997 - current->active_mm = &init_mm; 37.998 - if(current->mm) 37.999 - BUG(); 37.1000 - enter_lazy_tlb(&init_mm, current, nr); 37.1001 - 37.1002 - HYPERVISOR_stack_switch(__KERNEL_DS, current->thread.esp0); 37.1003 - 37.1004 - load_LDT(&init_mm); 37.1005 - flush_page_update_queue(); 37.1006 - 37.1007 - /* Force FPU initialization. */ 37.1008 - current->flags &= ~PF_USEDFPU; 37.1009 - current->used_math = 0; 37.1010 - stts(); 37.1011 -} 37.1012 - 37.1013 - 37.1014 -/****************************************************************************** 37.1015 - * Time-to-die callback handling. 37.1016 - */ 37.1017 - 37.1018 -static void time_to_die(int irq, void *unused, struct pt_regs *regs) 37.1019 -{ 37.1020 - extern void ctrl_alt_del(void); 37.1021 - ctrl_alt_del(); 37.1022 -} 37.1023 - 37.1024 -static int __init setup_death_event(void) 37.1025 -{ 37.1026 - (void)request_irq(_EVENT_DIE, time_to_die, 0, "die", NULL); 37.1027 - return 0; 37.1028 -} 37.1029 - 37.1030 -__initcall(setup_death_event);
38.1 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/kernel/signal.c Tue Jun 24 12:05:12 2003 +0000 38.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 38.3 @@ -1,717 +0,0 @@ 38.4 -/* 38.5 - * linux/arch/i386/kernel/signal.c 38.6 - * 38.7 - * Copyright (C) 1991, 1992 Linus Torvalds 38.8 - * 38.9 - * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson 38.10 - * 2000-06-20 Pentium III FXSR, SSE support by Gareth Hughes 38.11 - */ 38.12 - 38.13 -#include <linux/sched.h> 38.14 -#include <linux/mm.h> 38.15 -#include <linux/smp.h> 38.16 -#include <linux/smp_lock.h> 38.17 -#include <linux/kernel.h> 38.18 -#include <linux/signal.h> 38.19 -#include <linux/errno.h> 38.20 -#include <linux/wait.h> 38.21 -#include <linux/ptrace.h> 38.22 -#include <linux/unistd.h> 38.23 -#include <linux/stddef.h> 38.24 -#include <linux/tty.h> 38.25 -#include <linux/personality.h> 38.26 -#include <asm/ucontext.h> 38.27 -#include <asm/uaccess.h> 38.28 -#include <asm/i387.h> 38.29 - 38.30 -#define DEBUG_SIG 0 38.31 - 38.32 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 38.33 - 38.34 -int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset)); 38.35 - 38.36 -int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from) 38.37 -{ 38.38 - if (!access_ok (VERIFY_WRITE, to, sizeof(siginfo_t))) 38.39 - return -EFAULT; 38.40 - if (from->si_code < 0) 38.41 - return __copy_to_user(to, from, sizeof(siginfo_t)); 38.42 - else { 38.43 - int err; 38.44 - 38.45 - /* If you change siginfo_t structure, please be sure 38.46 - this code is fixed accordingly. 38.47 - It should never copy any pad contained in the structure 38.48 - to avoid security leaks, but must copy the generic 38.49 - 3 ints plus the relevant union member. */ 38.50 - err = __put_user(from->si_signo, &to->si_signo); 38.51 - err |= __put_user(from->si_errno, &to->si_errno); 38.52 - err |= __put_user((short)from->si_code, &to->si_code); 38.53 - /* First 32bits of unions are always present. */ 38.54 - err |= __put_user(from->si_pid, &to->si_pid); 38.55 - switch (from->si_code >> 16) { 38.56 - case __SI_FAULT >> 16: 38.57 - break; 38.58 - case __SI_CHLD >> 16: 38.59 - err |= __put_user(from->si_utime, &to->si_utime); 38.60 - err |= __put_user(from->si_stime, &to->si_stime); 38.61 - err |= __put_user(from->si_status, &to->si_status); 38.62 - default: 38.63 - err |= __put_user(from->si_uid, &to->si_uid); 38.64 - break; 38.65 - /* case __SI_RT: This is not generated by the kernel as of now. */ 38.66 - } 38.67 - return err; 38.68 - } 38.69 -} 38.70 - 38.71 -/* 38.72 - * Atomically swap in the new signal mask, and wait for a signal. 38.73 - */ 38.74 -asmlinkage int 38.75 -sys_sigsuspend(int history0, int history1, old_sigset_t mask) 38.76 -{ 38.77 - struct pt_regs * regs = (struct pt_regs *) &history0; 38.78 - sigset_t saveset; 38.79 - 38.80 - mask &= _BLOCKABLE; 38.81 - spin_lock_irq(¤t->sigmask_lock); 38.82 - saveset = current->blocked; 38.83 - siginitset(¤t->blocked, mask); 38.84 - recalc_sigpending(current); 38.85 - spin_unlock_irq(¤t->sigmask_lock); 38.86 - 38.87 - regs->eax = -EINTR; 38.88 - while (1) { 38.89 - current->state = TASK_INTERRUPTIBLE; 38.90 - schedule(); 38.91 - if (do_signal(regs, &saveset)) 38.92 - return -EINTR; 38.93 - } 38.94 -} 38.95 - 38.96 -asmlinkage int 38.97 -sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize) 38.98 -{ 38.99 - struct pt_regs * regs = (struct pt_regs *) &unewset; 38.100 - sigset_t saveset, newset; 38.101 - 38.102 - /* XXX: Don't preclude handling different sized sigset_t's. */ 38.103 - if (sigsetsize != sizeof(sigset_t)) 38.104 - return -EINVAL; 38.105 - 38.106 - if (copy_from_user(&newset, unewset, sizeof(newset))) 38.107 - return -EFAULT; 38.108 - sigdelsetmask(&newset, ~_BLOCKABLE); 38.109 - 38.110 - spin_lock_irq(¤t->sigmask_lock); 38.111 - saveset = current->blocked; 38.112 - current->blocked = newset; 38.113 - recalc_sigpending(current); 38.114 - spin_unlock_irq(¤t->sigmask_lock); 38.115 - 38.116 - regs->eax = -EINTR; 38.117 - while (1) { 38.118 - current->state = TASK_INTERRUPTIBLE; 38.119 - schedule(); 38.120 - if (do_signal(regs, &saveset)) 38.121 - return -EINTR; 38.122 - } 38.123 -} 38.124 - 38.125 -asmlinkage int 38.126 -sys_sigaction(int sig, const struct old_sigaction *act, 38.127 - struct old_sigaction *oact) 38.128 -{ 38.129 - struct k_sigaction new_ka, old_ka; 38.130 - int ret; 38.131 - 38.132 - if (act) { 38.133 - old_sigset_t mask; 38.134 - if (verify_area(VERIFY_READ, act, sizeof(*act)) || 38.135 - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || 38.136 - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) 38.137 - return -EFAULT; 38.138 - __get_user(new_ka.sa.sa_flags, &act->sa_flags); 38.139 - __get_user(mask, &act->sa_mask); 38.140 - siginitset(&new_ka.sa.sa_mask, mask); 38.141 - } 38.142 - 38.143 - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); 38.144 - 38.145 - if (!ret && oact) { 38.146 - if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) || 38.147 - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || 38.148 - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) 38.149 - return -EFAULT; 38.150 - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); 38.151 - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); 38.152 - } 38.153 - 38.154 - return ret; 38.155 -} 38.156 - 38.157 -asmlinkage int 38.158 -sys_sigaltstack(const stack_t *uss, stack_t *uoss) 38.159 -{ 38.160 - struct pt_regs *regs = (struct pt_regs *) &uss; 38.161 - return do_sigaltstack(uss, uoss, regs->esp); 38.162 -} 38.163 - 38.164 - 38.165 -/* 38.166 - * Do a signal return; undo the signal stack. 38.167 - */ 38.168 - 38.169 -struct sigframe 38.170 -{ 38.171 - char *pretcode; 38.172 - int sig; 38.173 - struct sigcontext sc;