diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 96f70d7e058..c446b5ca2d3 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -214,12 +214,17 @@ enum pci_bus_speed { PCI_SPEED_UNKNOWN = 0xff, }; -struct pci_cap_saved_state { - struct hlist_node next; +struct pci_cap_saved_data { char cap_nr; + unsigned int size; u32 data[0]; }; +struct pci_cap_saved_state { + struct hlist_node next; + struct pci_cap_saved_data cap; +}; + struct pcie_link_state; struct pci_vpd; struct pci_sriov; @@ -366,7 +371,7 @@ static inline struct pci_cap_saved_state *pci_find_saved_cap( struct hlist_node *pos; hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) { - if (tmp->cap_nr == cap) + if (tmp->cap.cap_nr == cap) return tmp; } return NULL; @@ -807,6 +812,10 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size); /* Power management related routines */ int pci_save_state(struct pci_dev *dev); void pci_restore_state(struct pci_dev *dev); +struct pci_saved_state *pci_store_saved_state(struct pci_dev *dev); +int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state); +int pci_load_and_free_saved_state(struct pci_dev *dev, + struct pci_saved_state **state); int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state); int pci_set_power_state(struct pci_dev *dev, pci_power_t state); pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state); @@ -828,6 +837,23 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, return __pci_enable_wake(dev, state, false, enable); } +#define PCI_EXP_IDO_REQUEST (1<<0) +#define PCI_EXP_IDO_COMPLETION (1<<1) +void pci_enable_ido(struct pci_dev *dev, unsigned long type); +void pci_disable_ido(struct pci_dev *dev, unsigned long type); + +enum pci_obff_signal_type { + PCI_EXP_OBFF_SIGNAL_L0, + PCI_EXP_OBFF_SIGNAL_ALWAYS, +}; +int pci_enable_obff(struct pci_dev *dev, enum pci_obff_signal_type); +void pci_disable_obff(struct pci_dev *dev); + +bool pci_ltr_supported(struct pci_dev *dev); +int pci_enable_ltr(struct pci_dev *dev); +void pci_disable_ltr(struct pci_dev *dev); +int pci_set_ltr(struct pci_dev *dev, int snoop_lat_ns, int nosnoop_lat_ns); + /* 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); @@ -915,8 +941,11 @@ int pci_cfg_space_size_ext(struct pci_dev *dev); int pci_cfg_space_size(struct pci_dev *dev); unsigned char pci_bus_max_busnr(struct pci_bus *bus); +#define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0) +#define PCI_VGA_STATE_CHANGE_DECODES (1 << 1) + int pci_set_vga_state(struct pci_dev *pdev, bool decode, - unsigned int command_bits, bool change_bridge); + unsigned int command_bits, u32 flags); /* kmem_cache style wrapper around pci_alloc_consistent() */ #include <linux/pci-dma.h> @@ -1061,7 +1090,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) /* some architectures require additional setup to direct VGA traffic */ typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode, - unsigned int command_bits, bool change_bridge); + unsigned int command_bits, u32 flags); extern void pci_register_set_vga_state(arch_set_vga_state_t func); #else /* CONFIG_PCI is not enabled */ @@ -1207,6 +1236,23 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, return 0; } +static inline void pci_enable_ido(struct pci_dev *dev, unsigned long type) +{ +} + +static inline void pci_disable_ido(struct pci_dev *dev, unsigned long type) +{ +} + +static inline int pci_enable_obff(struct pci_dev *dev, unsigned long type) +{ + return 0; +} + +static inline void pci_disable_obff(struct pci_dev *dev) +{ +} + static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) { return -EIO; |