| #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> |
| |
| #ifdef __KERNEL__ |
| |
| struct pci_sysdata { |
| int domain; /* PCI domain */ |
| int node; /* NUMA node */ |
| #ifdef CONFIG_X86_64 |
| void *iommu; /* IOMMU private data */ |
| #endif |
| }; |
| |
| extern int pci_routeirq; |
| extern int noioapicquirk; |
| extern int noioapicreroute; |
| |
| /* scan a bus after allocating a pci_sysdata for it */ |
| extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, |
| int node); |
| extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); |
| |
| 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); |
| } |
| |
| |
| /* 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 */ |
| |
| #ifdef CONFIG_PCI |
| extern unsigned int pcibios_assign_all_busses(void); |
| #else |
| #define pcibios_assign_all_busses() 0 |
| #endif |
| #define pcibios_scan_all_fns(a, b) 0 |
| |
| extern unsigned long pci_mem_start; |
| #define PCIBIOS_MIN_IO 0x1000 |
| #define PCIBIOS_MIN_MEM (pci_mem_start) |
| |
| #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
| |
| void pcibios_config_init(void); |
| struct pci_bus *pcibios_scan_root(int bus); |
| |
| void pcibios_set_master(struct pci_dev *dev); |
| void pcibios_penalize_isa_irq(int irq, int active); |
| 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); |
| |
| /* MSI arch hook */ |
| #define arch_setup_msi_irqs arch_setup_msi_irqs |
| |
| #endif /* __KERNEL__ */ |
| |
| #ifdef CONFIG_X86_32 |
| # include "pci_32.h" |
| #else |
| # include "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 cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) |
| { |
| return node_to_cpumask(__pcibus_to_node(bus)); |
| } |
| |
| static inline const struct cpumask * |
| cpumask_of_pcibus(const struct pci_bus *bus) |
| { |
| return cpumask_of_node(__pcibus_to_node(bus)); |
| } |
| #endif |
| |
| #endif /* _ASM_X86_PCI_H */ |