ia64/linux-2.6.18-xen.hg

view include/asm-arm/pci.h @ 452:c7ed6fe5dca0

kexec: dont initialise regions in reserve_memory()

There is no need to initialise efi_memmap_res and boot_param_res in
reserve_memory() for the initial xen domain as it is done in
machine_kexec_setup_resources() using values from the kexec hypercall.

Signed-off-by: Simon Horman <horms@verge.net.au>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Feb 28 10:55:18 2008 +0000 (2008-02-28)
parents 831230e53067
children
line source
1 #ifndef ASMARM_PCI_H
2 #define ASMARM_PCI_H
4 #ifdef __KERNEL__
5 #include <asm-generic/pci-dma-compat.h>
7 #include <asm/hardware.h> /* for PCIBIOS_MIN_* */
9 #define pcibios_scan_all_fns(a, b) 0
11 static inline void pcibios_set_master(struct pci_dev *dev)
12 {
13 /* No special bus mastering setup handling */
14 }
16 static inline void pcibios_penalize_isa_irq(int irq, int active)
17 {
18 /* We don't do dynamic PCI IRQ allocation */
19 }
21 /*
22 * The PCI address space does equal the physical memory address space.
23 * The networking and block device layers use this boolean for bounce
24 * buffer decisions.
25 */
26 #define PCI_DMA_BUS_IS_PHYS (0)
28 /*
29 * We don't support DAC DMA cycles.
30 */
31 #define pci_dac_dma_supported(pci_dev, mask) (0)
33 /*
34 * Whether pci_unmap_{single,page} is a nop depends upon the
35 * configuration.
36 */
37 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
38 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
39 #define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
40 #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
41 #define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
42 #define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
44 #ifdef CONFIG_PCI
45 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
46 enum pci_dma_burst_strategy *strat,
47 unsigned long *strategy_parameter)
48 {
49 *strat = PCI_DMA_BURST_INFINITY;
50 *strategy_parameter = ~0UL;
51 }
52 #endif
54 #define HAVE_PCI_MMAP
55 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
56 enum pci_mmap_state mmap_state, int write_combine);
58 extern void
59 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
60 struct resource *res);
62 extern void
63 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
64 struct pci_bus_region *region);
66 static inline struct resource *
67 pcibios_select_root(struct pci_dev *pdev, struct resource *res)
68 {
69 struct resource *root = NULL;
71 if (res->flags & IORESOURCE_IO)
72 root = &ioport_resource;
73 if (res->flags & IORESOURCE_MEM)
74 root = &iomem_resource;
76 return root;
77 }
79 static inline void pcibios_add_platform_entries(struct pci_dev *dev)
80 {
81 }
83 #endif /* __KERNEL__ */
85 #endif