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1965aae3 PA |
1 | #ifndef _ASM_X86_PCI_H |
2 | #define _ASM_X86_PCI_H | |
f3e6f164 GKH |
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 | 21 | extern int pci_routeirq; |
a9322f64 | 22 | extern int noioapicquirk; |
41b9eb26 | 23 | extern int noioapicreroute; |
07156509 | 24 | |
f3e6f164 | 25 | /* scan a bus after allocating a pci_sysdata for it */ |
871d5f8d YL |
26 | extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, |
27 | int node); | |
f3e6f164 GKH |
28 | extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); |
29 | ||
30 | static inline int pci_domain_nr(struct pci_bus *bus) | |
31 | { | |
32 | struct pci_sysdata *sd = bus->sysdata; | |
33 | return sd->domain; | |
34 | } | |
35 | ||
36 | static inline int pci_proc_domain(struct pci_bus *bus) | |
37 | { | |
38 | return pci_domain_nr(bus); | |
39 | } | |
40 | ||
41 | ||
42 | /* Can be used to override the logic in pci_scan_bus for skipping | |
43 | already-configured bus numbers - to be used for buggy BIOSes | |
44 | or architectures with incomplete PCI setup by the loader */ | |
45 | ||
46 | #ifdef CONFIG_PCI | |
47 | extern unsigned int pcibios_assign_all_busses(void); | |
48 | #else | |
49 | #define pcibios_assign_all_busses() 0 | |
50 | #endif | |
51 | #define pcibios_scan_all_fns(a, b) 0 | |
52 | ||
53 | extern unsigned long pci_mem_start; | |
54 | #define PCIBIOS_MIN_IO 0x1000 | |
55 | #define PCIBIOS_MIN_MEM (pci_mem_start) | |
56 | ||
57 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 | |
58 | ||
59 | void pcibios_config_init(void); | |
69bdb7bc | 60 | struct pci_bus *pcibios_scan_root(int bus); |
f3e6f164 GKH |
61 | |
62 | void pcibios_set_master(struct pci_dev *dev); | |
63 | void pcibios_penalize_isa_irq(int irq, int active); | |
64 | struct irq_routing_table *pcibios_get_irq_routing_table(void); | |
65 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); | |
66 | ||
67 | ||
68 | #define HAVE_PCI_MMAP | |
69 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
69bdb7bc JP |
70 | enum pci_mmap_state mmap_state, |
71 | int write_combine); | |
f3e6f164 GKH |
72 | |
73 | ||
74 | #ifdef CONFIG_PCI | |
376ff035 | 75 | extern void early_quirks(void); |
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76 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
77 | enum pci_dma_burst_strategy *strat, | |
78 | unsigned long *strategy_parameter) | |
79 | { | |
80 | *strat = PCI_DMA_BURST_INFINITY; | |
81 | *strategy_parameter = ~0UL; | |
82 | } | |
376ff035 TG |
83 | #else |
84 | static inline void early_quirks(void) { } | |
f3e6f164 GKH |
85 | #endif |
86 | ||
cfb80c9e JF |
87 | extern void pci_iommu_alloc(void); |
88 | ||
f3e6f164 GKH |
89 | #endif /* __KERNEL__ */ |
90 | ||
96a388de TG |
91 | #ifdef CONFIG_X86_32 |
92 | # include "pci_32.h" | |
93 | #else | |
94 | # include "pci_64.h" | |
f3e6f164 GKH |
95 | #endif |
96 | ||
97 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ | |
98 | #include <asm-generic/pci-dma-compat.h> | |
99 | ||
100 | /* generic pci stuff */ | |
101 | #include <asm-generic/pci.h> | |
102 | ||
b4ea9299 TG |
103 | #ifdef CONFIG_NUMA |
104 | /* Returns the node based on pci bus */ | |
393d68fb | 105 | static inline int __pcibus_to_node(const struct pci_bus *bus) |
b4ea9299 | 106 | { |
393d68fb | 107 | const struct pci_sysdata *sd = bus->sysdata; |
b4ea9299 TG |
108 | |
109 | return sd->node; | |
110 | } | |
f3e6f164 | 111 | |
b4ea9299 TG |
112 | static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) |
113 | { | |
114 | return node_to_cpumask(__pcibus_to_node(bus)); | |
115 | } | |
393d68fb RR |
116 | |
117 | static inline const struct cpumask * | |
118 | cpumask_of_pcibus(const struct pci_bus *bus) | |
119 | { | |
120 | return cpumask_of_node(__pcibus_to_node(bus)); | |
121 | } | |
b4ea9299 | 122 | #endif |
f3e6f164 | 123 | |
1965aae3 | 124 | #endif /* _ASM_X86_PCI_H */ |