diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 2f52110cac97..1cce56c2aea0 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -33,10 +33,32 @@ enum pci_mmap_api { 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); +bool pci_reset_supported(struct pci_dev *dev); +void pci_init_reset_methods(struct pci_dev *dev); int pci_bridge_secondary_bus_reset(struct pci_dev *dev); int pci_bus_error_reset(struct pci_dev *dev); +struct pci_cap_saved_data { + u16 cap_nr; + bool cap_extended; + unsigned int size; + u32 data[]; +}; + +struct pci_cap_saved_state { + struct hlist_node next; + struct pci_cap_saved_data cap; +}; + +void pci_allocate_cap_save_buffers(struct pci_dev *dev); +void pci_free_cap_save_buffers(struct pci_dev *dev); +int pci_add_cap_save_buffer(struct pci_dev *dev, char cap, unsigned int size); +int pci_add_ext_cap_save_buffer(struct pci_dev *dev, + u16 cap, unsigned int size); +struct pci_cap_saved_state *pci_find_saved_cap(struct pci_dev *dev, char cap); +struct pci_cap_saved_state *pci_find_saved_ext_cap(struct pci_dev *dev, + u16 cap); + #define PCI_PM_D2_DELAY 200 /* usec; see PCIe r4.0, sec 5.9.1 */ #define PCI_PM_D3HOT_WAIT 10 /* msec */ #define PCI_PM_D3COLD_WAIT 100 /* msec */ @@ -100,8 +122,6 @@ void pci_pm_init(struct pci_dev *dev); void pci_ea_init(struct pci_dev *dev); void pci_msi_init(struct pci_dev *dev); void pci_msix_init(struct pci_dev *dev); -void pci_allocate_cap_save_buffers(struct pci_dev *dev); -void pci_free_cap_save_buffers(struct pci_dev *dev); bool pci_bridge_d3_possible(struct pci_dev *dev); void pci_bridge_d3_update(struct pci_dev *dev); void pci_bridge_wait_for_secondary_bus(struct pci_dev *dev); @@ -604,13 +624,18 @@ static inline void pci_ptm_init(struct pci_dev *dev) { } struct pci_dev_reset_methods { u16 vendor; u16 device; - int (*reset)(struct pci_dev *dev, int probe); + int (*reset)(struct pci_dev *dev, bool probe); +}; + +struct pci_reset_fn_method { + int (*reset_fn)(struct pci_dev *pdev, bool probe); + char *name; }; #ifdef CONFIG_PCI_QUIRKS -int pci_dev_specific_reset(struct pci_dev *dev, int probe); +int pci_dev_specific_reset(struct pci_dev *dev, bool probe); #else -static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe) +static inline int pci_dev_specific_reset(struct pci_dev *dev, bool probe) { return -ENOTTY; } @@ -698,7 +723,15 @@ static inline int pci_aer_raw_clear_status(struct pci_dev *dev) { return -EINVAL #ifdef CONFIG_ACPI int pci_acpi_program_hp_params(struct pci_dev *dev); extern const struct attribute_group pci_dev_acpi_attr_group; +void pci_set_acpi_fwnode(struct pci_dev *dev); +int pci_dev_acpi_reset(struct pci_dev *dev, bool probe); #else +static inline int pci_dev_acpi_reset(struct pci_dev *dev, bool probe) +{ + return -ENOTTY; +} + +static inline void pci_set_acpi_fwnode(struct pci_dev *dev) {} static inline int pci_acpi_program_hp_params(struct pci_dev *dev) { return -ENODEV; @@ -709,4 +742,6 @@ static inline int pci_acpi_program_hp_params(struct pci_dev *dev) extern const struct attribute_group aspm_ctrl_attr_group; #endif +extern const struct attribute_group pci_dev_reset_method_attr_group; + #endif /* DRIVERS_PCI_H */ |