| #ifndef _ASM_X86_PCI_H |
| #define _ASM_X86_PCI_H |
| |
| #include <linux/mm.h> /* for struct page */ |
| #include <linux/types.h> |
| #include <linux/slab.h> |
| #include <linux/string.h> |
| #include <asm/scatterlist.h> |
| #include <asm/io.h> |
| #include <asm/x86_init.h> |
| |
| #ifdef __KERNEL__ |
| |
| struct pci_sysdata { |
| int domain; /* PCI domain */ |
| int node; /* NUMA node */ |
| #ifdef CONFIG_ACPI |
| struct acpi_device *companion; /* ACPI companion device */ |
| #endif |
| #ifdef CONFIG_X86_64 |
| void *iommu; /* IOMMU private data */ |
| #endif |
| }; |
| |
| extern int pci_routeirq; |
| extern int noioapicquirk; |
| extern int noioapicreroute; |
| |
| #ifdef CONFIG_PCI |
| |
| #ifdef CONFIG_PCI_DOMAINS |
| static inline int pci_domain_nr(struct pci_bus *bus) |
| { |
| struct pci_sysdata *sd = bus->sysdata; |
| return sd->domain; |
| } |
| |
| static inline int pci_proc_domain(struct pci_bus *bus) |
| { |
| return pci_domain_nr(bus); |
| } |
| #endif |
| |
| /* Can be used to override the logic in pci_scan_bus for skipping |
| already-configured bus numbers - to be used for buggy BIOSes |
| or architectures with incomplete PCI setup by the loader */ |
| |
| extern unsigned int pcibios_assign_all_busses(void); |
| extern int pci_legacy_init(void); |
| # ifdef CONFIG_ACPI |
| # define x86_default_pci_init pci_acpi_init |
| # else |
| # define x86_default_pci_init pci_legacy_init |
| # endif |
| #else |
| # define pcibios_assign_all_busses() 0 |
| # define x86_default_pci_init NULL |
| #endif |
| |
| extern unsigned long pci_mem_start; |
| #define PCIBIOS_MIN_IO 0x1000 |
| #define PCIBIOS_MIN_MEM (pci_mem_start) |
| |
| #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
| |
| extern int pcibios_enabled; |
| void pcibios_config_init(void); |
| void pcibios_scan_root(int bus); |
| |
| void pcibios_set_master(struct pci_dev *dev); |
| struct irq_routing_table *pcibios_get_irq_routing_table(void); |
| int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); |
| |
| |
| #define HAVE_PCI_MMAP |
| extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
| enum pci_mmap_state mmap_state, |
| int write_combine); |
| |
| |
| #ifdef CONFIG_PCI |
| extern void early_quirks(void); |
| static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
| enum pci_dma_burst_strategy *strat, |
| unsigned long *strategy_parameter) |
| { |
| *strat = PCI_DMA_BURST_INFINITY; |
| *strategy_parameter = ~0UL; |
| } |
| #else |
| static inline void early_quirks(void) { } |
| #endif |
| |
| extern void pci_iommu_alloc(void); |
| |
| #ifdef CONFIG_PCI_MSI |
| /* implemented in arch/x86/kernel/apic/io_apic. */ |
| struct msi_desc; |
| int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); |
| void native_teardown_msi_irq(unsigned int irq); |
| void native_restore_msi_irqs(struct pci_dev *dev); |
| #else |
| #define native_setup_msi_irqs NULL |
| #define native_teardown_msi_irq NULL |
| #endif |
| |
| #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys) |
| |
| #endif /* __KERNEL__ */ |
| |
| #ifdef CONFIG_X86_64 |
| #include <asm/pci_64.h> |
| #endif |
| |
| /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
| #include <asm-generic/pci-dma-compat.h> |
| |
| /* generic pci stuff */ |
| #include <asm-generic/pci.h> |
| |
| #ifdef CONFIG_NUMA |
| /* Returns the node based on pci bus */ |
| static inline int __pcibus_to_node(const struct pci_bus *bus) |
| { |
| const struct pci_sysdata *sd = bus->sysdata; |
| |
| return sd->node; |
| } |
| |
| static inline const struct cpumask * |
| cpumask_of_pcibus(const struct pci_bus *bus) |
| { |
| int node; |
| |
| node = __pcibus_to_node(bus); |
| return (node == -1) ? cpu_online_mask : |
| cpumask_of_node(node); |
| } |
| #endif |
| |
| struct pci_setup_rom { |
| struct setup_data data; |
| uint16_t vendor; |
| uint16_t devid; |
| uint64_t pcilen; |
| unsigned long segment; |
| unsigned long bus; |
| unsigned long device; |
| unsigned long function; |
| uint8_t romdata[0]; |
| }; |
| |
| #endif /* _ASM_X86_PCI_H */ |