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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6102 | serge | 1 | #ifndef _ASM_X86_PCI_H |
| 2 | #define _ASM_X86_PCI_H |
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| 3 | |||
| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | #include |
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| 8 | #include |
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| 9 | #include |
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| 10 | #include |
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| 11 | |||
| 12 | #ifdef __KERNEL__ |
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| 13 | |||
| 14 | struct pci_sysdata { |
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| 15 | int domain; /* PCI domain */ |
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| 16 | int node; /* NUMA node */ |
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| 17 | #ifdef CONFIG_ACPI |
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| 18 | struct acpi_device *companion; /* ACPI companion device */ |
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| 19 | #endif |
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| 20 | #ifdef CONFIG_X86_64 |
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| 21 | void *iommu; /* IOMMU private data */ |
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| 22 | #endif |
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| 7143 | serge | 23 | #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN |
| 24 | void *fwnode; /* IRQ domain for MSI assignment */ |
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| 25 | #endif |
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| 6102 | serge | 26 | }; |
| 27 | |||
| 28 | extern int pci_routeirq; |
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| 29 | extern int noioapicquirk; |
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| 30 | extern int noioapicreroute; |
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| 31 | |||
| 32 | #ifdef CONFIG_PCI |
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| 33 | |||
| 34 | #ifdef CONFIG_PCI_DOMAINS |
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| 35 | static inline int pci_domain_nr(struct pci_bus *bus) |
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| 36 | { |
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| 37 | struct pci_sysdata *sd = bus->sysdata; |
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| 7143 | serge | 38 | |
| 6102 | serge | 39 | return sd->domain; |
| 40 | } |
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| 41 | |||
| 42 | static inline int pci_proc_domain(struct pci_bus *bus) |
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| 43 | { |
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| 44 | return pci_domain_nr(bus); |
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| 45 | } |
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| 46 | #endif |
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| 47 | |||
| 7143 | serge | 48 | #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN |
| 49 | static inline void *_pci_root_bus_fwnode(struct pci_bus *bus) |
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| 50 | { |
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| 51 | struct pci_sysdata *sd = bus->sysdata; |
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| 52 | |||
| 53 | return sd->fwnode; |
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| 54 | } |
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| 55 | |||
| 56 | #define pci_root_bus_fwnode _pci_root_bus_fwnode |
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| 57 | #endif |
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| 58 | |||
| 6102 | serge | 59 | /* Can be used to override the logic in pci_scan_bus for skipping |
| 60 | already-configured bus numbers - to be used for buggy BIOSes |
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| 61 | or architectures with incomplete PCI setup by the loader */ |
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| 62 | |||
| 9493 | turbocat | 63 | extern int pcibios_assign_all_busses(void); |
| 6102 | serge | 64 | extern int pci_legacy_init(void); |
| 65 | # ifdef CONFIG_ACPI |
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| 66 | # define x86_default_pci_init pci_acpi_init |
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| 67 | # else |
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| 68 | # define x86_default_pci_init pci_legacy_init |
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| 69 | # endif |
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| 70 | #else |
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| 71 | # define pcibios_assign_all_busses() 0 |
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| 72 | # define x86_default_pci_init NULL |
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| 73 | #endif |
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| 74 | |||
| 75 | extern unsigned long pci_mem_start; |
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| 76 | #define PCIBIOS_MIN_IO 0x1000 |
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| 77 | #define PCIBIOS_MIN_MEM (pci_mem_start) |
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| 78 | |||
| 79 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
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| 80 | |||
| 81 | extern int pcibios_enabled; |
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| 82 | void pcibios_config_init(void); |
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| 83 | void pcibios_scan_root(int bus); |
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| 84 | |||
| 85 | void pcibios_set_master(struct pci_dev *dev); |
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| 86 | struct irq_routing_table *pcibios_get_irq_routing_table(void); |
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| 87 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); |
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| 88 | |||
| 89 | |||
| 90 | #define HAVE_PCI_MMAP |
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| 91 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
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| 92 | enum pci_mmap_state mmap_state, |
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| 93 | int write_combine); |
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| 94 | |||
| 95 | |||
| 96 | #ifdef CONFIG_PCI |
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| 97 | extern void early_quirks(void); |
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| 98 | #else |
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| 99 | static inline void early_quirks(void) { } |
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| 100 | #endif |
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| 101 | |||
| 102 | extern void pci_iommu_alloc(void); |
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| 103 | |||
| 104 | #ifdef CONFIG_PCI_MSI |
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| 105 | /* implemented in arch/x86/kernel/apic/io_apic. */ |
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| 106 | struct msi_desc; |
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| 107 | int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); |
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| 108 | void native_teardown_msi_irq(unsigned int irq); |
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| 109 | void native_restore_msi_irqs(struct pci_dev *dev); |
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| 110 | #else |
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| 111 | #define native_setup_msi_irqs NULL |
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| 112 | #define native_teardown_msi_irq NULL |
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| 113 | #endif |
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| 114 | |||
| 115 | #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) |
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| 116 | |||
| 117 | #endif /* __KERNEL__ */ |
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| 118 | |||
| 119 | #ifdef CONFIG_X86_64 |
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| 120 | #include |
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| 121 | #endif |
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| 122 | |||
| 123 | /* generic pci stuff */ |
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| 124 | #include |
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| 125 | |||
| 126 | #ifdef CONFIG_NUMA |
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| 127 | /* Returns the node based on pci bus */ |
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| 128 | static inline int __pcibus_to_node(const struct pci_bus *bus) |
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| 129 | { |
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| 130 | const struct pci_sysdata *sd = bus->sysdata; |
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| 131 | |||
| 132 | return sd->node; |
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| 133 | } |
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| 134 | |||
| 135 | static inline const struct cpumask * |
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| 136 | cpumask_of_pcibus(const struct pci_bus *bus) |
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| 137 | { |
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| 138 | int node; |
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| 139 | |||
| 140 | node = __pcibus_to_node(bus); |
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| 141 | return (node == -1) ? cpu_online_mask : |
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| 142 | cpumask_of_node(node); |
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| 143 | } |
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| 144 | #endif |
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| 145 | |||
| 146 | struct pci_setup_rom { |
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| 7143 | serge | 147 | uint16_t vendor; |
| 6102 | serge | 148 | uint16_t devid; |
| 149 | uint64_t pcilen; |
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| 150 | unsigned long segment; |
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| 151 | unsigned long bus; |
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| 152 | unsigned long device; |
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| 153 | unsigned long function; |
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| 154 | uint8_t romdata[0]; |
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| 155 | }; |
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| 156 | |||
| 157 | #endif /* _ASM_X86_PCI_H */ |