diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index f5c7cd343e56..c1968f464c38 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -218,6 +218,7 @@ struct pci_dev { unsigned int class; /* 3 bytes: (base,sub,prog-if) */ u8 revision; /* PCI revision, low byte of class word */ u8 hdr_type; /* PCI header type (`multi' flag masked out) */ + u8 pcie_cap; /* PCI-E capability offset */ u8 pcie_type; /* PCI-E device/port type */ u8 rom_base_reg; /* which config register controls the ROM */ u8 pin; /* which interrupt pin this device uses */ @@ -242,6 +243,7 @@ struct pci_dev { unsigned int d2_support:1; /* Low power state D2 is supported */ unsigned int no_d1d2:1; /* Only allow D0 and D3 */ unsigned int wakeup_prepared:1; + unsigned int d3_delay; /* D3->D0 transition time in ms */ #ifdef CONFIG_PCIEASPM struct pcie_link_state *link_state; /* ASPM link state. */ @@ -280,6 +282,7 @@ struct pci_dev { unsigned int is_virtfn:1; unsigned int reset_fn:1; unsigned int is_hotplug_bridge:1; + unsigned int aer_firmware_first:1; pci_dev_flags_t dev_flags; atomic_t enable_cnt; /* pci_enable_device has been called */ @@ -564,6 +567,9 @@ void pcibios_align_resource(void *, struct resource *, resource_size_t, resource_size_t); void pcibios_update_irq(struct pci_dev *, int irq); +/* Weak but can be overriden by arch */ +void pci_fixup_cardbus(struct pci_bus *); + /* Generic PCI functions used internally */ extern struct pci_bus *pci_find_bus(int domain, int busnr); @@ -635,7 +641,13 @@ struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device, unsigned int ss_vendor, unsigned int ss_device, struct pci_dev *from); struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn); -struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn); +struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus, + unsigned int devfn); +static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus, + unsigned int devfn) +{ + return pci_get_domain_bus_and_slot(0, bus, devfn); +} struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from); int pci_dev_present(const struct pci_device_id *ids); @@ -701,6 +713,7 @@ void pci_disable_device(struct pci_dev *dev); void pci_set_master(struct pci_dev *dev); void pci_clear_master(struct pci_dev *dev); int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state); +int pci_set_cacheline_size(struct pci_dev *dev); #define HAVE_PCI_SET_MWI int __must_check pci_set_mwi(struct pci_dev *dev); int pci_try_set_mwi(struct pci_dev *dev); @@ -743,6 +756,10 @@ 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); +/* For use by arch with custom probe code */ +void set_pcie_port_type(struct pci_dev *pdev); +void set_pcie_hotplug_bridge(struct pci_dev *pdev); + /* Functions for PCI Hotplug drivers to use */ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); #ifdef CONFIG_HOTPLUG @@ -1246,6 +1263,8 @@ extern int pci_pci_problems; extern unsigned long pci_cardbus_io_size; extern unsigned long pci_cardbus_mem_size; +extern u8 __devinitdata pci_dfl_cache_line_size; +extern u8 pci_cache_line_size; extern unsigned long pci_hotplug_io_size; extern unsigned long pci_hotplug_mem_size; @@ -1290,5 +1309,34 @@ extern void pci_hp_create_module_link(struct pci_slot *pci_slot); extern void pci_hp_remove_module_link(struct pci_slot *pci_slot); #endif +/** + * pci_pcie_cap - get the saved PCIe capability offset + * @dev: PCI device + * + * PCIe capability offset is calculated at PCI device initialization + * time and saved in the data structure. This function returns saved + * PCIe capability offset. Using this instead of pci_find_capability() + * reduces unnecessary search in the PCI configuration space. If you + * need to calculate PCIe capability offset from raw device for some + * reasons, please use pci_find_capability() instead. + */ +static inline int pci_pcie_cap(struct pci_dev *dev) +{ + return dev->pcie_cap; +} + +/** + * pci_is_pcie - check if the PCI device is PCI Express capable + * @dev: PCI device + * + * Retrun true if the PCI device is PCI Express capable, false otherwise. + */ +static inline bool pci_is_pcie(struct pci_dev *dev) +{ + return !!pci_pcie_cap(dev); +} + +void pci_request_acs(void); + #endif /* __KERNEL__ */ #endif /* LINUX_PCI_H */ |