Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef __x8664_PCI_H |
2 | #define __x8664_PCI_H | |
3 | ||
1da177e4 LT |
4 | #include <asm/io.h> |
5 | ||
6 | #ifdef __KERNEL__ | |
7 | ||
08f1c192 MBY |
8 | struct pci_sysdata { |
9 | int node; /* NUMA node */ | |
10 | void* iommu; /* IOMMU private data */ | |
11 | }; | |
12 | ||
73c59afc MBY |
13 | extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); |
14 | ||
08f1c192 MBY |
15 | #ifdef CONFIG_CALGARY_IOMMU |
16 | static inline void* pci_iommu(struct pci_bus *bus) | |
17 | { | |
18 | struct pci_sysdata *sd = bus->sysdata; | |
19 | return sd->iommu; | |
20 | } | |
21 | ||
22 | static inline void set_pci_iommu(struct pci_bus *bus, void *val) | |
23 | { | |
24 | struct pci_sysdata *sd = bus->sysdata; | |
25 | sd->iommu = val; | |
26 | } | |
27 | #endif /* CONFIG_CALGARY_IOMMU */ | |
28 | ||
1da177e4 LT |
29 | #include <linux/mm.h> /* for struct page */ |
30 | ||
31 | /* Can be used to override the logic in pci_scan_bus for skipping | |
32 | already-configured bus numbers - to be used for buggy BIOSes | |
33 | or architectures with incomplete PCI setup by the loader */ | |
34 | ||
35 | #ifdef CONFIG_PCI | |
36 | extern unsigned int pcibios_assign_all_busses(void); | |
37 | #else | |
38 | #define pcibios_assign_all_busses() 0 | |
39 | #endif | |
40 | #define pcibios_scan_all_fns(a, b) 0 | |
41 | ||
1da177e4 | 42 | extern unsigned long pci_mem_start; |
2ba84684 | 43 | #define PCIBIOS_MIN_IO 0x1000 |
1da177e4 LT |
44 | #define PCIBIOS_MIN_MEM (pci_mem_start) |
45 | ||
2ba84684 LT |
46 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
47 | ||
1da177e4 LT |
48 | void pcibios_config_init(void); |
49 | struct pci_bus * pcibios_scan_root(int bus); | |
50 | extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value); | |
51 | extern int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value); | |
52 | ||
53 | void pcibios_set_master(struct pci_dev *dev); | |
c9c3e457 | 54 | void pcibios_penalize_isa_irq(int irq, int active); |
1da177e4 LT |
55 | struct irq_routing_table *pcibios_get_irq_routing_table(void); |
56 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); | |
57 | ||
58 | #include <linux/types.h> | |
59 | #include <linux/slab.h> | |
60 | #include <asm/scatterlist.h> | |
61 | #include <linux/string.h> | |
62 | #include <asm/page.h> | |
63 | ||
0dc243ae | 64 | extern void pci_iommu_alloc(void); |
1da177e4 LT |
65 | extern int iommu_setup(char *opt); |
66 | ||
1da177e4 LT |
67 | /* The PCI address space does equal the physical memory |
68 | * address space. The networking and block device layers use | |
69 | * this boolean for bounce buffer decisions | |
70 | * | |
17a941d8 MBY |
71 | * On AMD64 it mostly equals, but we set it to zero if a hardware |
72 | * IOMMU (gart) of sotware IOMMU (swiotlb) is available. | |
1da177e4 | 73 | */ |
17a941d8 MBY |
74 | #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) |
75 | ||
e465058d | 76 | #if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU) |
1da177e4 | 77 | |
1da177e4 LT |
78 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ |
79 | dma_addr_t ADDR_NAME; | |
80 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | |
81 | __u32 LEN_NAME; | |
82 | #define pci_unmap_addr(PTR, ADDR_NAME) \ | |
83 | ((PTR)->ADDR_NAME) | |
84 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ | |
85 | (((PTR)->ADDR_NAME) = (VAL)) | |
86 | #define pci_unmap_len(PTR, LEN_NAME) \ | |
87 | ((PTR)->LEN_NAME) | |
88 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ | |
89 | (((PTR)->LEN_NAME) = (VAL)) | |
90 | ||
91 | #else | |
92 | /* No IOMMU */ | |
93 | ||
1da177e4 LT |
94 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) |
95 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) | |
96 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) | |
97 | #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) | |
98 | #define pci_unmap_len(PTR, LEN_NAME) (0) | |
99 | #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) | |
100 | ||
101 | #endif | |
102 | ||
103 | #include <asm-generic/pci-dma-compat.h> | |
104 | ||
bb4a61b6 | 105 | #ifdef CONFIG_PCI |
e24c2d96 DM |
106 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
107 | enum pci_dma_burst_strategy *strat, | |
108 | unsigned long *strategy_parameter) | |
109 | { | |
110 | *strat = PCI_DMA_BURST_INFINITY; | |
111 | *strategy_parameter = ~0UL; | |
112 | } | |
bb4a61b6 | 113 | #endif |
e24c2d96 | 114 | |
1da177e4 LT |
115 | #define HAVE_PCI_MMAP |
116 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
117 | enum pci_mmap_state mmap_state, int write_combine); | |
118 | ||
1da177e4 LT |
119 | #endif /* __KERNEL__ */ |
120 | ||
121 | /* generic pci stuff */ | |
122 | #ifdef CONFIG_PCI | |
123 | #include <asm-generic/pci.h> | |
124 | #endif | |
125 | ||
126 | #endif /* __x8664_PCI_H */ |