ia64/linux-2.6.18-xen.hg

view drivers/char/digiPCI.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*************************************************************************
2 * Defines and structure definitions for PCI BIOS Interface
3 *************************************************************************/
4 #define PCIMAX 32 /* maximum number of PCI boards */
7 #define PCI_VENDOR_DIGI 0x114F
8 #define PCI_DEVICE_EPC 0x0002
9 #define PCI_DEVICE_RIGHTSWITCH 0x0003 /* For testing */
10 #define PCI_DEVICE_XEM 0x0004
11 #define PCI_DEVICE_XR 0x0005
12 #define PCI_DEVICE_CX 0x0006
13 #define PCI_DEVICE_XRJ 0x0009 /* Jupiter boards with */
14 #define PCI_DEVICE_EPCJ 0x000a /* PLX 9060 chip for PCI */
17 /*
18 * On the PCI boards, there is no IO space allocated
19 * The I/O registers will be in the first 3 bytes of the
20 * upper 2MB of the 4MB memory space. The board memory
21 * will be mapped into the low 2MB of the 4MB memory space
22 */
24 /* Potential location of PCI Bios from E0000 to FFFFF*/
25 #define PCI_BIOS_SIZE 0x00020000
27 /* Size of Memory and I/O for PCI (4MB) */
28 #define PCI_RAM_SIZE 0x00400000
30 /* Size of Memory (2MB) */
31 #define PCI_MEM_SIZE 0x00200000
33 /* Offset of I/0 in Memory (2MB) */
34 #define PCI_IO_OFFSET 0x00200000
36 #define MEMOUTB(basemem, pnum, setmemval) *(caddr_t)((basemem) + ( PCI_IO_OFFSET | pnum << 4 | pnum )) = (setmemval)
37 #define MEMINB(basemem, pnum) *(caddr_t)((basemem) + (PCI_IO_OFFSET | pnum << 4 | pnum )) /* for PCI I/O */