diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 08817253c8a2..6e0d1528d471 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -7,6 +7,7 @@ #define PCI_VSEC_ID_INTEL_TBT 0x1234 /* Thunderbolt */ extern const unsigned char pcie_link_speed[]; +extern bool pci_early_dump; bool pcie_cap_has_lnkctl(const struct pci_dev *dev); @@ -33,6 +34,7 @@ int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai, enum pci_mmap_api mmap_api); int pci_probe_reset_function(struct pci_dev *dev); +int pci_bridge_secondary_bus_reset(struct pci_dev *dev); /** * struct pci_platform_pm_ops - Firmware PM callbacks @@ -225,6 +227,10 @@ enum pci_bar_type { int pci_configure_extended_tags(struct pci_dev *dev, void *ign); bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *pl, int crs_timeout); +bool pci_bus_generic_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *pl, + int crs_timeout); +int pci_idt_bus_quirk(struct pci_bus *bus, int devfn, u32 *pl, int crs_timeout); + int pci_setup_device(struct pci_dev *dev); int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, struct resource *res, unsigned int reg); @@ -259,6 +265,7 @@ enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev); enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev); u32 pcie_bandwidth_capable(struct pci_dev *dev, enum pci_bus_speed *speed, enum pcie_link_width *width); +void __pcie_print_link_status(struct pci_dev *dev, bool verbose); /* Single Root I/O Virtualization */ struct pci_sriov { @@ -311,6 +318,34 @@ static inline bool pci_dev_is_added(const struct pci_dev *dev) return test_bit(PCI_DEV_ADDED, &dev->priv_flags); } +#ifdef CONFIG_PCIEAER +#include <linux/aer.h> + +#define AER_MAX_MULTI_ERR_DEVICES 5 /* Not likely to have more */ + +struct aer_err_info { + struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES]; + int error_dev_num; + + unsigned int id:16; + + unsigned int severity:2; /* 0:NONFATAL | 1:FATAL | 2:COR */ + unsigned int __pad1:5; + unsigned int multi_error_valid:1; + + unsigned int first_error:5; + unsigned int __pad2:2; + unsigned int tlp_header_valid:1; + + unsigned int status; /* COR/UNCOR Error Status */ + unsigned int mask; /* COR/UNCOR Error Mask */ + struct aer_header_log_regs tlp; /* TLP Header */ +}; + +int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info); +void aer_print_error(struct pci_dev *dev, struct aer_err_info *info); +#endif /* CONFIG_PCIEAER */ + #ifdef CONFIG_PCI_ATS void pci_restore_ats_state(struct pci_dev *dev); #else @@ -367,6 +402,25 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev, } void pci_enable_acs(struct pci_dev *dev); +#ifdef CONFIG_PCI_QUIRKS +int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags); +int pci_dev_specific_enable_acs(struct pci_dev *dev); +int pci_dev_specific_disable_acs_redir(struct pci_dev *dev); +#else +static inline int pci_dev_specific_acs_enabled(struct pci_dev *dev, + u16 acs_flags) +{ + return -ENOTTY; +} +static inline int pci_dev_specific_enable_acs(struct pci_dev *dev) +{ + return -ENOTTY; +} +static inline int pci_dev_specific_disable_acs_redir(struct pci_dev *dev) +{ + return -ENOTTY; +} +#endif /* PCI error reporting and recovery */ void pcie_do_fatal_recovery(struct pci_dev *dev, u32 service); @@ -467,4 +521,19 @@ static inline int devm_of_pci_get_host_bridge_resources(struct device *dev, } #endif +#ifdef CONFIG_PCIEAER +void pci_no_aer(void); +void pci_aer_init(struct pci_dev *dev); +void pci_aer_exit(struct pci_dev *dev); +extern const struct attribute_group aer_stats_attr_group; +void pci_aer_clear_fatal_status(struct pci_dev *dev); +void pci_aer_clear_device_status(struct pci_dev *dev); +#else +static inline void pci_no_aer(void) { } +static inline int pci_aer_init(struct pci_dev *d) { return -ENODEV; } +static inline void pci_aer_exit(struct pci_dev *d) { } +static inline void pci_aer_clear_fatal_status(struct pci_dev *dev) { } +static inline void pci_aer_clear_device_status(struct pci_dev *dev) { } +#endif + #endif /* DRIVERS_PCI_H */ |