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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 | ||
23b90cfd JB |
30 | #ifdef CONFIG_PCI |
31 | ||
32 | #ifdef CONFIG_PCI_DOMAINS | |
f3e6f164 GKH |
33 | static inline int pci_domain_nr(struct pci_bus *bus) |
34 | { | |
35 | struct pci_sysdata *sd = bus->sysdata; | |
36 | return sd->domain; | |
37 | } | |
38 | ||
39 | static inline int pci_proc_domain(struct pci_bus *bus) | |
40 | { | |
41 | return pci_domain_nr(bus); | |
42 | } | |
23b90cfd | 43 | #endif |
f3e6f164 GKH |
44 | |
45 | /* Can be used to override the logic in pci_scan_bus for skipping | |
46 | already-configured bus numbers - to be used for buggy BIOSes | |
47 | or architectures with incomplete PCI setup by the loader */ | |
48 | ||
f3e6f164 | 49 | extern unsigned int pcibios_assign_all_busses(void); |
b72d0db9 TG |
50 | extern int pci_legacy_init(void); |
51 | # ifdef CONFIG_ACPI | |
52 | # define x86_default_pci_init pci_acpi_init | |
53 | # else | |
54 | # define x86_default_pci_init pci_legacy_init | |
55 | # endif | |
f3e6f164 | 56 | #else |
b72d0db9 TG |
57 | # define pcibios_assign_all_busses() 0 |
58 | # define x86_default_pci_init NULL | |
f3e6f164 | 59 | #endif |
f3e6f164 GKH |
60 | |
61 | extern unsigned long pci_mem_start; | |
62 | #define PCIBIOS_MIN_IO 0x1000 | |
63 | #define PCIBIOS_MIN_MEM (pci_mem_start) | |
64 | ||
65 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 | |
66 | ||
67 | void pcibios_config_init(void); | |
69bdb7bc | 68 | struct pci_bus *pcibios_scan_root(int bus); |
f3e6f164 GKH |
69 | |
70 | void pcibios_set_master(struct pci_dev *dev); | |
71 | void pcibios_penalize_isa_irq(int irq, int active); | |
72 | struct irq_routing_table *pcibios_get_irq_routing_table(void); | |
73 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); | |
74 | ||
75 | ||
76 | #define HAVE_PCI_MMAP | |
77 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
69bdb7bc JP |
78 | enum pci_mmap_state mmap_state, |
79 | int write_combine); | |
f3e6f164 GKH |
80 | |
81 | ||
82 | #ifdef CONFIG_PCI | |
376ff035 | 83 | extern void early_quirks(void); |
f3e6f164 GKH |
84 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
85 | enum pci_dma_burst_strategy *strat, | |
86 | unsigned long *strategy_parameter) | |
87 | { | |
88 | *strat = PCI_DMA_BURST_INFINITY; | |
89 | *strategy_parameter = ~0UL; | |
90 | } | |
376ff035 TG |
91 | #else |
92 | static inline void early_quirks(void) { } | |
f3e6f164 GKH |
93 | #endif |
94 | ||
cfb80c9e JF |
95 | extern void pci_iommu_alloc(void); |
96 | ||
11df1f05 ME |
97 | /* MSI arch hook */ |
98 | #define arch_setup_msi_irqs arch_setup_msi_irqs | |
99 | ||
67796bf7 JR |
100 | #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) |
101 | ||
67796bf7 JR |
102 | #endif /* __KERNEL__ */ |
103 | ||
104 | #ifdef CONFIG_X86_64 | |
105 | #include "pci_64.h" | |
f3e6f164 GKH |
106 | #endif |
107 | ||
c252a5bb YL |
108 | void dma32_reserve_bootmem(void); |
109 | ||
f3e6f164 GKH |
110 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
111 | #include <asm-generic/pci-dma-compat.h> | |
112 | ||
113 | /* generic pci stuff */ | |
114 | #include <asm-generic/pci.h> | |
1f82de10 | 115 | #define PCIBIOS_MAX_MEM_32 0xffffffff |
f3e6f164 | 116 | |
b4ea9299 TG |
117 | #ifdef CONFIG_NUMA |
118 | /* Returns the node based on pci bus */ | |
393d68fb | 119 | static inline int __pcibus_to_node(const struct pci_bus *bus) |
b4ea9299 | 120 | { |
393d68fb | 121 | const struct pci_sysdata *sd = bus->sysdata; |
b4ea9299 TG |
122 | |
123 | return sd->node; | |
124 | } | |
f3e6f164 | 125 | |
393d68fb RR |
126 | static inline const struct cpumask * |
127 | cpumask_of_pcibus(const struct pci_bus *bus) | |
128 | { | |
7715a1e8 DR |
129 | int node; |
130 | ||
131 | node = __pcibus_to_node(bus); | |
132 | return (node == -1) ? cpu_online_mask : | |
133 | cpumask_of_node(node); | |
393d68fb | 134 | } |
b4ea9299 | 135 | #endif |
f3e6f164 | 136 | |
1965aae3 | 137 | #endif /* _ASM_X86_PCI_H */ |