diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 98dc6243a70..03b0b8c3c81 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -51,6 +51,7 @@ #include <linux/kobject.h> #include <asm/atomic.h> #include <linux/device.h> +#include <linux/io.h> /* Include the ID list */ #include <linux/pci_ids.h> @@ -64,6 +65,11 @@ struct pci_slot { struct kobject kobj; }; +static inline const char *pci_slot_name(const struct pci_slot *slot) +{ + return kobject_name(&slot->kobj); +} + /* File state for mmap()s on /proc/bus/pci/X/Y */ enum pci_mmap_state { pci_mmap_io, @@ -128,6 +134,11 @@ enum pci_dev_flags { PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2, }; +enum pci_irq_reroute_variant { + INTEL_IRQ_REROUTE_VARIANT = 1, + MAX_IRQ_REROUTE_VARIANTS = 3 +}; + typedef unsigned short __bitwise pci_bus_flags_t; enum pci_bus_flags { PCI_BUS_FLAGS_NO_MSI = (__force pci_bus_flags_t) 1, @@ -212,8 +223,10 @@ struct pci_dev { unsigned int no_msi:1; /* device may not use msi */ unsigned int block_ucfg_access:1; /* userspace config space access is blocked */ unsigned int broken_parity_status:1; /* Device generates false positive parity */ + unsigned int irq_reroute_variant:2; /* device needs IRQ rerouting variant */ unsigned int msi_enabled:1; unsigned int msix_enabled:1; + unsigned int ari_enabled:1; /* ARI forwarding */ unsigned int is_managed:1; unsigned int is_pcie:1; pci_dev_flags_t dev_flags; @@ -347,7 +360,6 @@ struct pci_bus_region { struct pci_dynids { spinlock_t lock; /* protects list, index */ struct list_head list; /* for IDs added at runtime */ - unsigned int use_driver_data:1; /* pci_device_id->driver_data is used */ }; /* ---------------------------------------------------------------- */ @@ -456,8 +468,8 @@ struct pci_driver { /** * PCI_VDEVICE - macro used to describe a specific pci device in short form - * @vend: the vendor name - * @dev: the 16 bit PCI Device ID + * @vendor: the vendor name + * @device: the 16 bit PCI Device ID * * This macro is used to create a struct pci_device_id that matches a * specific PCI device. The subvendor, and subdevice fields will be set @@ -509,9 +521,10 @@ struct pci_bus *pci_create_bus(struct device *parent, int bus, struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr, - const char *name); + const char *name, + struct hotplug_slot *hotplug); void pci_destroy_slot(struct pci_slot *slot); -void pci_update_slot_number(struct pci_slot *slot, int slot_nr); +void pci_renumber_slot(struct pci_slot *slot, int slot_nr); int pci_scan_slot(struct pci_bus *bus, int devfn); struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn); void pci_device_add(struct pci_dev *dev, struct pci_bus *bus); @@ -539,6 +552,13 @@ struct pci_dev __deprecated *pci_find_slot(unsigned int bus, unsigned int devfn); #endif /* CONFIG_PCI_LEGACY */ +enum pci_lost_interrupt_reason { + PCI_LOST_IRQ_NO_INFORMATION = 0, + PCI_LOST_IRQ_DISABLE_MSI, + PCI_LOST_IRQ_DISABLE_MSIX, + PCI_LOST_IRQ_DISABLE_ACPI, +}; +enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *dev); int pci_find_capability(struct pci_dev *dev, int cap); int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap); int pci_find_ext_capability(struct pci_dev *dev, int cap); @@ -626,11 +646,15 @@ int pcix_get_mmrbc(struct pci_dev *dev); int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc); int pcie_get_readrq(struct pci_dev *dev); int pcie_set_readrq(struct pci_dev *dev, int rq); +int pci_reset_function(struct pci_dev *dev); +int pci_execute_reset_function(struct pci_dev *dev); void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int pci_select_bars(struct pci_dev *dev, unsigned long flags); /* ROM control related routines */ +int pci_enable_rom(struct pci_dev *pdev); +void pci_disable_rom(struct pci_dev *pdev); void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size); void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom); size_t pci_get_rom_size(void __iomem *rom, size_t size); @@ -643,6 +667,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state); bool pci_pme_capable(struct pci_dev *dev, pci_power_t state); void pci_pme_active(struct pci_dev *dev, bool enable); int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable); +int pci_wake_from_d3(struct pci_dev *dev, bool enable); pci_power_t pci_target_state(struct pci_dev *dev); int pci_prepare_to_sleep(struct pci_dev *dev); int pci_back_from_sleep(struct pci_dev *dev); @@ -723,7 +748,7 @@ enum pci_dma_burst_strategy { }; struct msix_entry { - u16 vector; /* kernel uses to write allocated vector */ + u32 vector; /* kernel uses to write allocated vector */ u16 entry; /* driver uses to specify entry, OS writes */ }; @@ -1116,5 +1141,20 @@ static inline void pci_mmcfg_early_init(void) { } static inline void pci_mmcfg_late_init(void) { } #endif +#ifdef CONFIG_HAS_IOMEM +static inline void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar) +{ + /* + * Make sure the BAR is actually a memory resource, not an IO resource + */ + if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) { + WARN_ON(1); + return NULL; + } + return ioremap_nocache(pci_resource_start(pdev, bar), + pci_resource_len(pdev, bar)); +} +#endif + #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */ |