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f3e6f164 GKH |
1 | #ifndef __x86_PCI_H |
2 | #define __x86_PCI_H | |
3 | ||
4 | #include <linux/mm.h> /* for struct page */ | |
5 | #include <linux/types.h> | |
6 | #include <linux/slab.h> | |
7 | #include <linux/string.h> | |
8 | #include <asm/scatterlist.h> | |
9 | #include <asm/io.h> | |
10 | ||
f3e6f164 GKH |
11 | #ifdef __KERNEL__ |
12 | ||
13 | struct pci_sysdata { | |
14 | int domain; /* PCI domain */ | |
15 | int node; /* NUMA node */ | |
16 | #ifdef CONFIG_X86_64 | |
69bdb7bc | 17 | void *iommu; /* IOMMU private data */ |
f3e6f164 GKH |
18 | #endif |
19 | }; | |
20 | ||
07156509 TG |
21 | extern int pci_routeirq; |
22 | ||
f3e6f164 | 23 | /* scan a bus after allocating a pci_sysdata for it */ |
871d5f8d YL |
24 | extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, |
25 | int node); | |
f3e6f164 GKH |
26 | extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); |
27 | ||
28 | static inline int pci_domain_nr(struct pci_bus *bus) | |
29 | { | |
30 | struct pci_sysdata *sd = bus->sysdata; | |
31 | return sd->domain; | |
32 | } | |
33 | ||
34 | static inline int pci_proc_domain(struct pci_bus *bus) | |
35 | { | |
36 | return pci_domain_nr(bus); | |
37 | } | |
38 | ||
39 | ||
40 | /* Can be used to override the logic in pci_scan_bus for skipping | |
41 | already-configured bus numbers - to be used for buggy BIOSes | |
42 | or architectures with incomplete PCI setup by the loader */ | |
43 | ||
44 | #ifdef CONFIG_PCI | |
45 | extern unsigned int pcibios_assign_all_busses(void); | |
46 | #else | |
47 | #define pcibios_assign_all_busses() 0 | |
48 | #endif | |
49 | #define pcibios_scan_all_fns(a, b) 0 | |
50 | ||
51 | extern unsigned long pci_mem_start; | |
52 | #define PCIBIOS_MIN_IO 0x1000 | |
53 | #define PCIBIOS_MIN_MEM (pci_mem_start) | |
54 | ||
55 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 | |
56 | ||
57 | void pcibios_config_init(void); | |
69bdb7bc | 58 | struct pci_bus *pcibios_scan_root(int bus); |
f3e6f164 GKH |
59 | |
60 | void pcibios_set_master(struct pci_dev *dev); | |
61 | void pcibios_penalize_isa_irq(int irq, int active); | |
62 | struct irq_routing_table *pcibios_get_irq_routing_table(void); | |
63 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); | |
64 | ||
65 | ||
66 | #define HAVE_PCI_MMAP | |
67 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
69bdb7bc JP |
68 | enum pci_mmap_state mmap_state, |
69 | int write_combine); | |
f3e6f164 GKH |
70 | |
71 | ||
72 | #ifdef CONFIG_PCI | |
376ff035 | 73 | extern void early_quirks(void); |
f3e6f164 GKH |
74 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
75 | enum pci_dma_burst_strategy *strat, | |
76 | unsigned long *strategy_parameter) | |
77 | { | |
78 | *strat = PCI_DMA_BURST_INFINITY; | |
79 | *strategy_parameter = ~0UL; | |
80 | } | |
376ff035 TG |
81 | #else |
82 | static inline void early_quirks(void) { } | |
f3e6f164 GKH |
83 | #endif |
84 | ||
f3e6f164 GKH |
85 | #endif /* __KERNEL__ */ |
86 | ||
96a388de TG |
87 | #ifdef CONFIG_X86_32 |
88 | # include "pci_32.h" | |
89 | #else | |
90 | # include "pci_64.h" | |
f3e6f164 GKH |
91 | #endif |
92 | ||
93 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ | |
94 | #include <asm-generic/pci-dma-compat.h> | |
95 | ||
96 | /* generic pci stuff */ | |
97 | #include <asm-generic/pci.h> | |
98 | ||
b4ea9299 TG |
99 | #ifdef CONFIG_NUMA |
100 | /* Returns the node based on pci bus */ | |
101 | static inline int __pcibus_to_node(struct pci_bus *bus) | |
102 | { | |
103 | struct pci_sysdata *sd = bus->sysdata; | |
104 | ||
105 | return sd->node; | |
106 | } | |
f3e6f164 | 107 | |
b4ea9299 TG |
108 | static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) |
109 | { | |
110 | return node_to_cpumask(__pcibus_to_node(bus)); | |
111 | } | |
112 | #endif | |
f3e6f164 | 113 | |
96a388de | 114 | #endif |