--- zzzz-none-000/linux-3.10.107/drivers/pci/pci.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/drivers/pci/pci.h 2021-02-04 17:41:59.000000000 +0000 @@ -1,11 +1,15 @@ #ifndef DRIVERS_PCI_H #define DRIVERS_PCI_H -#include - #define PCI_CFG_SPACE_SIZE 256 #define PCI_CFG_SPACE_EXP_SIZE 4096 +#define PCI_FIND_CAP_TTL 48 + +extern const unsigned char pcie_link_speed[]; + +bool pcie_cap_has_lnkctl(const struct pci_dev *dev); + /* Functions internal to the PCI core code */ int pci_create_sysfs_dev_files(struct pci_dev *pdev); @@ -48,6 +52,10 @@ * for given device (the device's wake-up capability has to be * enabled by @sleep_wake for this feature to work) * + * @need_resume: returns 'true' if the given device (which is currently + * suspended) needs to be resumed to be configured for system + * wakeup. + * * If given platform is generally capable of power managing PCI devices, all of * these callbacks are mandatory. */ @@ -57,6 +65,7 @@ pci_power_t (*choose_state)(struct pci_dev *dev); int (*sleep_wake)(struct pci_dev *dev, bool enable); int (*run_wake)(struct pci_dev *dev, bool enable); + bool (*need_resume)(struct pci_dev *dev); }; int pci_set_platform_pm(struct pci_platform_pm_ops *ops); @@ -65,10 +74,12 @@ void pci_disable_enabled_device(struct pci_dev *dev); int pci_finish_runtime_suspend(struct pci_dev *dev); int __pci_pme_wakeup(struct pci_dev *dev, void *ign); -void pci_wakeup_bus(struct pci_bus *bus); +bool pci_dev_keep_suspended(struct pci_dev *dev); +void pci_dev_complete_resume(struct pci_dev *pci_dev); void pci_config_pm_runtime_get(struct pci_dev *dev); void pci_config_pm_runtime_put(struct pci_dev *dev); void pci_pm_init(struct pci_dev *dev); +void pci_ea_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); @@ -78,7 +89,7 @@ pm_wakeup_event(&dev->dev, 100); } -static inline bool pci_is_bridge(struct pci_dev *pci_dev) +static inline bool pci_has_subordinate(struct pci_dev *pci_dev) { return !!(pci_dev->subordinate); } @@ -139,6 +150,27 @@ static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } #endif +static inline void pci_msi_set_enable(struct pci_dev *dev, int enable) +{ + u16 control; + + pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control); + control &= ~PCI_MSI_FLAGS_ENABLE; + if (enable) + control |= PCI_MSI_FLAGS_ENABLE; + pci_write_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, control); +} + +static inline void pci_msix_clear_and_set_ctrl(struct pci_dev *dev, u16 clear, u16 set) +{ + u16 ctrl; + + pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &ctrl); + ctrl &= ~clear; + ctrl |= set; + pci_write_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, ctrl); +} + void pci_realloc_get_opt(char *); static inline int pci_no_d1d2(struct pci_dev *dev) @@ -150,10 +182,10 @@ return (dev->no_d1d2 || parent_dstates); } -extern struct device_attribute pci_dev_attrs[]; -extern struct device_attribute pcibus_dev_attrs[]; +extern const struct attribute_group *pci_dev_groups[]; +extern const struct attribute_group *pcibus_groups[]; extern struct device_type pci_dev_type; -extern struct bus_attribute pci_bus_attrs[]; +extern const struct attribute_group *pci_bus_groups[]; /** @@ -200,24 +232,13 @@ 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); -int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type); void pci_configure_ari(struct pci_dev *dev); -void __ref __pci_bus_size_bridges(struct pci_bus *bus, +void __pci_bus_size_bridges(struct pci_bus *bus, struct list_head *realloc_head); -void __ref __pci_bus_assign_resources(const struct pci_bus *bus, - struct list_head *realloc_head, - struct list_head *fail_head); - -/** - * pci_ari_enabled - query ARI forwarding status - * @bus: the PCI bus - * - * Returns 1 if ARI forwarding is enabled, or 0 if not enabled; - */ -static inline int pci_ari_enabled(struct pci_bus *bus) -{ - return bus->self && bus->self->ari_enabled; -} +void __pci_bus_assign_resources(const struct pci_bus *bus, + struct list_head *realloc_head, + struct list_head *fail_head); +bool pci_bus_clip_resource(struct pci_dev *dev, int idx); void pci_reassigndev_resource_alignment(struct pci_dev *dev); void pci_disable_bridge_window(struct pci_dev *dev); @@ -235,12 +256,12 @@ u16 stride; /* following VF stride */ u32 pgsz; /* page size for BAR alignment */ u8 link; /* Function Dependency Link */ + u8 max_VF_buses; /* max buses consumed by VFs */ u16 driver_max_VFs; /* max num VFs driver supports */ struct pci_dev *dev; /* lowest numbered PF */ struct pci_dev *self; /* this PF */ struct mutex lock; /* lock for VF bus */ - struct work_struct mtask; /* VF Migration task */ - u8 __iomem *mstate; /* VF Migration State Array */ + resource_size_t barsz[PCI_SRIOV_NUM_BARS]; /* VF BAR size */ }; #ifdef CONFIG_PCI_ATS @@ -254,8 +275,7 @@ #ifdef CONFIG_PCI_IOV int pci_iov_init(struct pci_dev *dev); void pci_iov_release(struct pci_dev *dev); -int pci_iov_resource_bar(struct pci_dev *dev, int resno, - enum pci_bar_type *type); +void pci_iov_update_resource(struct pci_dev *dev, int resno); resource_size_t pci_sriov_resource_alignment(struct pci_dev *dev, int resno); void pci_restore_iov_state(struct pci_dev *dev); int pci_iov_bus_range(struct pci_bus *bus); @@ -269,11 +289,6 @@ { } -static inline int pci_iov_resource_bar(struct pci_dev *dev, int resno, - enum pci_bar_type *type) -{ - return 0; -} static inline void pci_restore_iov_state(struct pci_dev *dev) { }