diff options
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r-- | include/linux/pci.h | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index b5238bd18830..8621cf42b46f 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h | |||
@@ -586,7 +586,7 @@ struct pci_dev { | |||
586 | #define PCI_NUM_RESOURCES 11 | 586 | #define PCI_NUM_RESOURCES 11 |
587 | 587 | ||
588 | #ifndef PCI_BUS_NUM_RESOURCES | 588 | #ifndef PCI_BUS_NUM_RESOURCES |
589 | #define PCI_BUS_NUM_RESOURCES 4 | 589 | #define PCI_BUS_NUM_RESOURCES 8 |
590 | #endif | 590 | #endif |
591 | 591 | ||
592 | #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */ | 592 | #define PCI_REGION_FLAG_MASK 0x0fU /* These bits of resource flags tell us the PCI region flags */ |
@@ -734,16 +734,20 @@ void pcibios_update_irq(struct pci_dev *, int irq); | |||
734 | /* Generic PCI functions used internally */ | 734 | /* Generic PCI functions used internally */ |
735 | 735 | ||
736 | extern struct pci_bus *pci_find_bus(int domain, int busnr); | 736 | extern struct pci_bus *pci_find_bus(int domain, int busnr); |
737 | void pci_bus_add_devices(struct pci_bus *bus); | ||
737 | struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata); | 738 | struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata); |
738 | static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata) | 739 | static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata) |
739 | { | 740 | { |
740 | return pci_scan_bus_parented(NULL, bus, ops, sysdata); | 741 | struct pci_bus *root_bus; |
742 | root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata); | ||
743 | if (root_bus) | ||
744 | pci_bus_add_devices(root_bus); | ||
745 | return root_bus; | ||
741 | } | 746 | } |
742 | int pci_scan_slot(struct pci_bus *bus, int devfn); | 747 | int pci_scan_slot(struct pci_bus *bus, int devfn); |
743 | struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn); | 748 | struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn); |
744 | unsigned int pci_scan_child_bus(struct pci_bus *bus); | 749 | unsigned int pci_scan_child_bus(struct pci_bus *bus); |
745 | void pci_bus_add_device(struct pci_dev *dev); | 750 | void pci_bus_add_device(struct pci_dev *dev); |
746 | void pci_bus_add_devices(struct pci_bus *bus); | ||
747 | void pci_name_device(struct pci_dev *dev); | 751 | void pci_name_device(struct pci_dev *dev); |
748 | char *pci_class_name(u32 class); | 752 | char *pci_class_name(u32 class); |
749 | void pci_read_bridge_bases(struct pci_bus *child); | 753 | void pci_read_bridge_bases(struct pci_bus *child); |
@@ -856,7 +860,8 @@ int pci_register_driver(struct pci_driver *); | |||
856 | void pci_unregister_driver(struct pci_driver *); | 860 | void pci_unregister_driver(struct pci_driver *); |
857 | void pci_remove_behind_bridge(struct pci_dev *); | 861 | void pci_remove_behind_bridge(struct pci_dev *); |
858 | struct pci_driver *pci_dev_driver(const struct pci_dev *); | 862 | struct pci_driver *pci_dev_driver(const struct pci_dev *); |
859 | const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev); | 863 | const struct pci_device_id *pci_match_device(struct pci_driver *drv, struct pci_dev *dev); |
864 | const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev); | ||
860 | int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass); | 865 | int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass); |
861 | 866 | ||
862 | /* kmem_cache style wrapper around pci_alloc_consistent() */ | 867 | /* kmem_cache style wrapper around pci_alloc_consistent() */ |
@@ -870,6 +875,15 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass | |||
870 | #define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle) | 875 | #define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle) |
871 | #define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr) | 876 | #define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr) |
872 | 877 | ||
878 | enum pci_dma_burst_strategy { | ||
879 | PCI_DMA_BURST_INFINITY, /* make bursts as large as possible, | ||
880 | strategy_parameter is N/A */ | ||
881 | PCI_DMA_BURST_BOUNDARY, /* disconnect at every strategy_parameter | ||
882 | byte boundaries */ | ||
883 | PCI_DMA_BURST_MULTIPLE, /* disconnect at some multiple of | ||
884 | strategy_parameter byte boundaries */ | ||
885 | }; | ||
886 | |||
873 | #if defined(CONFIG_ISA) || defined(CONFIG_EISA) | 887 | #if defined(CONFIG_ISA) || defined(CONFIG_EISA) |
874 | extern struct pci_dev *isa_bridge; | 888 | extern struct pci_dev *isa_bridge; |
875 | #endif | 889 | #endif |
@@ -957,6 +971,8 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int en | |||
957 | 971 | ||
958 | #define isa_bridge ((struct pci_dev *)NULL) | 972 | #define isa_bridge ((struct pci_dev *)NULL) |
959 | 973 | ||
974 | #define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0) | ||
975 | |||
960 | #else | 976 | #else |
961 | 977 | ||
962 | /* | 978 | /* |
@@ -971,7 +987,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) | |||
971 | return 0; | 987 | return 0; |
972 | } | 988 | } |
973 | #endif | 989 | #endif |
974 | |||
975 | #endif /* !CONFIG_PCI */ | 990 | #endif /* !CONFIG_PCI */ |
976 | 991 | ||
977 | /* these helpers provide future and backwards compatibility | 992 | /* these helpers provide future and backwards compatibility |
@@ -1016,6 +1031,20 @@ static inline char *pci_name(struct pci_dev *pdev) | |||
1016 | #define pci_pretty_name(dev) "" | 1031 | #define pci_pretty_name(dev) "" |
1017 | #endif | 1032 | #endif |
1018 | 1033 | ||
1034 | |||
1035 | /* Some archs don't want to expose struct resource to userland as-is | ||
1036 | * in sysfs and /proc | ||
1037 | */ | ||
1038 | #ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER | ||
1039 | static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, | ||
1040 | const struct resource *rsrc, u64 *start, u64 *end) | ||
1041 | { | ||
1042 | *start = rsrc->start; | ||
1043 | *end = rsrc->end; | ||
1044 | } | ||
1045 | #endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */ | ||
1046 | |||
1047 | |||
1019 | /* | 1048 | /* |
1020 | * The world is not perfect and supplies us with broken PCI devices. | 1049 | * The world is not perfect and supplies us with broken PCI devices. |
1021 | * For at least a part of these bugs we need a work-around, so both | 1050 | * For at least a part of these bugs we need a work-around, so both |