diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 5ecbcf041179..17fed1846847 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -31,9 +31,6 @@ bool pcie_cap_has_rtctl(const struct pci_dev *dev); /* Functions internal to the PCI core code */ -int pci_create_sysfs_dev_files(struct pci_dev *pdev); -void pci_remove_sysfs_dev_files(struct pci_dev *pdev); -void pci_cleanup_rom(struct pci_dev *dev); #ifdef CONFIG_DMI extern const struct attribute_group pci_dev_smbios_attr_group; #endif @@ -97,7 +94,6 @@ void pci_msi_init(struct pci_dev *dev); void pci_msix_init(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_reconfigure_ltr(struct pci_dev *dev); int pci_bridge_wait_for_secondary_bus(struct pci_dev *dev, char *reset_type); static inline void pci_wakeup_event(struct pci_dev *dev) @@ -152,7 +148,7 @@ static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } /* Functions for PCI Hotplug drivers to use */ int pci_hp_add_bridge(struct pci_dev *dev); -#ifdef HAVE_PCI_LEGACY +#if defined(CONFIG_SYSFS) && defined(HAVE_PCI_LEGACY) void pci_create_legacy_files(struct pci_bus *bus); void pci_remove_legacy_files(struct pci_bus *bus); #else @@ -185,10 +181,22 @@ static inline int pci_no_d1d2(struct pci_dev *dev) return (dev->no_d1d2 || parent_dstates); } + +#ifdef CONFIG_SYSFS +int pci_create_sysfs_dev_files(struct pci_dev *pdev); +void pci_remove_sysfs_dev_files(struct pci_dev *pdev); extern const struct attribute_group *pci_dev_groups[]; +extern const struct attribute_group *pci_dev_attr_groups[]; extern const struct attribute_group *pcibus_groups[]; -extern const struct device_type pci_dev_type; extern const struct attribute_group *pci_bus_groups[]; +#else +static inline int pci_create_sysfs_dev_files(struct pci_dev *pdev) { return 0; } +static inline void pci_remove_sysfs_dev_files(struct pci_dev *pdev) { } +#define pci_dev_groups NULL +#define pci_dev_attr_groups NULL +#define pcibus_groups NULL +#define pci_bus_groups NULL +#endif extern unsigned long pci_hotplug_io_size; extern unsigned long pci_hotplug_mmio_size; @@ -255,6 +263,8 @@ void __pci_bus_assign_resources(const struct pci_bus *bus, struct list_head *fail_head); bool pci_bus_clip_resource(struct pci_dev *dev, int idx); +const char *pci_resource_name(struct pci_dev *dev, unsigned int i); + void pci_reassigndev_resource_alignment(struct pci_dev *dev); void pci_disable_bridge_window(struct pci_dev *dev); struct pci_bus *pci_bus_get(struct pci_bus *bus); @@ -272,7 +282,7 @@ void pci_bus_put(struct pci_bus *bus); /* PCIe speed to Mb/s reduced by encoding overhead */ #define PCIE_SPEED2MBS_ENC(speed) \ - ((speed) == PCIE_SPEED_64_0GT ? 64000*128/130 : \ + ((speed) == PCIE_SPEED_64_0GT ? 64000*1/1 : \ (speed) == PCIE_SPEED_32_0GT ? 32000*128/130 : \ (speed) == PCIE_SPEED_16_0GT ? 16000*128/130 : \ (speed) == PCIE_SPEED_8_0GT ? 8000*128/130 : \ @@ -366,11 +376,6 @@ static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused) return 0; } -static inline bool pci_dev_is_disconnected(const struct pci_dev *dev) -{ - return dev->error_state == pci_channel_io_perm_failure; -} - /* pci_dev priv_flags */ #define PCI_DEV_ADDED 0 #define PCI_DPC_RECOVERED 1 @@ -407,7 +412,7 @@ struct aer_err_info { unsigned int status; /* COR/UNCOR Error Status */ unsigned int mask; /* COR/UNCOR Error Mask */ - struct aer_header_log_regs tlp; /* TLP Header */ + struct pcie_tlp_log tlp; /* TLP Header */ }; int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info); @@ -566,14 +571,28 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, bool pcie_wait_for_link(struct pci_dev *pdev, bool active); int pcie_retrain_link(struct pci_dev *pdev, bool use_lt); + +/* ASPM-related functionality we need even without CONFIG_PCIEASPM */ +void pci_save_ltr_state(struct pci_dev *dev); +void pci_restore_ltr_state(struct pci_dev *dev); +void pci_configure_aspm_l1ss(struct pci_dev *dev); +void pci_save_aspm_l1ss_state(struct pci_dev *dev); +void pci_restore_aspm_l1ss_state(struct pci_dev *dev); + #ifdef CONFIG_PCIEASPM void pcie_aspm_init_link_state(struct pci_dev *pdev); void pcie_aspm_exit_link_state(struct pci_dev *pdev); +void pcie_aspm_pm_state_change(struct pci_dev *pdev, bool locked); void pcie_aspm_powersave_config_link(struct pci_dev *pdev); +void pci_configure_ltr(struct pci_dev *pdev); +void pci_bridge_reconfigure_ltr(struct pci_dev *pdev); #else static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) { } static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev) { } +static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev, bool locked) { } static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) { } +static inline void pci_configure_ltr(struct pci_dev *pdev) { } +static inline void pci_bridge_reconfigure_ltr(struct pci_dev *pdev) { } #endif #ifdef CONFIG_PCIE_ECRC @@ -794,6 +813,27 @@ static inline pci_power_t mid_pci_get_power_state(struct pci_dev *pdev) #endif /* + * Managed PCI resources. This manages device on/off, INTx/MSI/MSI-X + * on/off and BAR regions. pci_dev itself records MSI/MSI-X status, so + * there's no need to track it separately. pci_devres is initialized + * when a device is enabled using managed PCI device enable interface. + * + * TODO: Struct pci_devres and find_pci_dr() only need to be here because + * they're used in pci.c. Port or move these functions to devres.c and + * then remove them from here. + */ +struct pci_devres { + unsigned int enabled:1; + unsigned int pinned:1; + unsigned int orig_intx:1; + unsigned int restore_intx:1; + unsigned int mwi:1; + u32 region_mask; +}; + +struct pci_devres *find_pci_dr(struct pci_dev *pdev); + +/* * Config Address for PCI Configuration Mechanism #1 * * See PCI Local Bus Specification, Revision 3.0, |