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Rev | Author | Line No. | Line |
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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 | |||
63 | extern unsigned int pcibios_assign_all_busses(void); |
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64 | extern int pci_legacy_init(void); |
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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 */ |