Vegard Nossum | 77ef50a | 2008-06-18 17:08:48 +0200 | [diff] [blame^] | 1 | #ifndef ASM_X86__PCI_H |
| 2 | #define ASM_X86__PCI_H |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 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 | |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 11 | #ifdef __KERNEL__ |
| 12 | |
| 13 | struct pci_sysdata { |
| 14 | int domain; /* PCI domain */ |
| 15 | int node; /* NUMA node */ |
| 16 | #ifdef CONFIG_X86_64 |
Joe Perches | 69bdb7b | 2008-03-23 01:03:04 -0700 | [diff] [blame] | 17 | void *iommu; /* IOMMU private data */ |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 18 | #endif |
| 19 | }; |
| 20 | |
Thomas Gleixner | 0715650 | 2008-05-12 15:43:37 +0200 | [diff] [blame] | 21 | extern int pci_routeirq; |
| 22 | |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 23 | /* scan a bus after allocating a pci_sysdata for it */ |
Yinghai Lu | 871d5f8 | 2008-02-19 03:20:09 -0800 | [diff] [blame] | 24 | extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, |
| 25 | int node); |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 26 | extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); |
| 27 | |
| 28 | static inline int pci_domain_nr(struct pci_bus *bus) |
| 29 | { |
| 30 | struct pci_sysdata *sd = bus->sysdata; |
| 31 | return sd->domain; |
| 32 | } |
| 33 | |
| 34 | static inline int pci_proc_domain(struct pci_bus *bus) |
| 35 | { |
| 36 | return pci_domain_nr(bus); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | /* Can be used to override the logic in pci_scan_bus for skipping |
| 41 | already-configured bus numbers - to be used for buggy BIOSes |
| 42 | or architectures with incomplete PCI setup by the loader */ |
| 43 | |
| 44 | #ifdef CONFIG_PCI |
| 45 | extern unsigned int pcibios_assign_all_busses(void); |
| 46 | #else |
| 47 | #define pcibios_assign_all_busses() 0 |
| 48 | #endif |
| 49 | #define pcibios_scan_all_fns(a, b) 0 |
| 50 | |
| 51 | extern unsigned long pci_mem_start; |
| 52 | #define PCIBIOS_MIN_IO 0x1000 |
| 53 | #define PCIBIOS_MIN_MEM (pci_mem_start) |
| 54 | |
| 55 | #define PCIBIOS_MIN_CARDBUS_IO 0x4000 |
| 56 | |
| 57 | void pcibios_config_init(void); |
Joe Perches | 69bdb7b | 2008-03-23 01:03:04 -0700 | [diff] [blame] | 58 | struct pci_bus *pcibios_scan_root(int bus); |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 59 | |
| 60 | void pcibios_set_master(struct pci_dev *dev); |
| 61 | void pcibios_penalize_isa_irq(int irq, int active); |
| 62 | struct irq_routing_table *pcibios_get_irq_routing_table(void); |
| 63 | int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); |
| 64 | |
| 65 | |
| 66 | #define HAVE_PCI_MMAP |
| 67 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, |
Joe Perches | 69bdb7b | 2008-03-23 01:03:04 -0700 | [diff] [blame] | 68 | enum pci_mmap_state mmap_state, |
| 69 | int write_combine); |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 70 | |
| 71 | |
| 72 | #ifdef CONFIG_PCI |
Thomas Gleixner | 376ff03 | 2008-01-30 13:30:16 +0100 | [diff] [blame] | 73 | extern void early_quirks(void); |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 74 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, |
| 75 | enum pci_dma_burst_strategy *strat, |
| 76 | unsigned long *strategy_parameter) |
| 77 | { |
| 78 | *strat = PCI_DMA_BURST_INFINITY; |
| 79 | *strategy_parameter = ~0UL; |
| 80 | } |
Thomas Gleixner | 376ff03 | 2008-01-30 13:30:16 +0100 | [diff] [blame] | 81 | #else |
| 82 | static inline void early_quirks(void) { } |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 83 | #endif |
| 84 | |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 85 | #endif /* __KERNEL__ */ |
| 86 | |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 87 | #ifdef CONFIG_X86_32 |
| 88 | # include "pci_32.h" |
| 89 | #else |
| 90 | # include "pci_64.h" |
| 91 | #endif |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 92 | |
| 93 | /* implement the pci_ DMA API in terms of the generic device dma_ one */ |
| 94 | #include <asm-generic/pci-dma-compat.h> |
| 95 | |
| 96 | /* generic pci stuff */ |
| 97 | #include <asm-generic/pci.h> |
| 98 | |
Thomas Gleixner | b4ea929 | 2008-01-30 13:30:38 +0100 | [diff] [blame] | 99 | #ifdef CONFIG_NUMA |
| 100 | /* Returns the node based on pci bus */ |
| 101 | static inline int __pcibus_to_node(struct pci_bus *bus) |
| 102 | { |
| 103 | struct pci_sysdata *sd = bus->sysdata; |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 104 | |
Thomas Gleixner | b4ea929 | 2008-01-30 13:30:38 +0100 | [diff] [blame] | 105 | return sd->node; |
| 106 | } |
| 107 | |
| 108 | static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) |
| 109 | { |
| 110 | return node_to_cpumask(__pcibus_to_node(bus)); |
| 111 | } |
| 112 | #endif |
Greg Kroah-Hartman | f3e6f16 | 2007-10-12 14:07:23 -0700 | [diff] [blame] | 113 | |
Vegard Nossum | 77ef50a | 2008-06-18 17:08:48 +0200 | [diff] [blame^] | 114 | #endif /* ASM_X86__PCI_H */ |