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- #ifndef DRIVERS_PCI_H
- #define DRIVERS_PCI_H
- #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);
- int pci_create_sysfs_dev_files(struct pci_dev *pdev);
- void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
- #if !defined(CONFIG_DMI) && !defined(CONFIG_ACPI)
- static inline void pci_create_firmware_label_files(struct pci_dev *pdev)
- { return; }
- static inline void pci_remove_firmware_label_files(struct pci_dev *pdev)
- { return; }
- #else
- void pci_create_firmware_label_files(struct pci_dev *pdev);
- void pci_remove_firmware_label_files(struct pci_dev *pdev);
- #endif
- void pci_cleanup_rom(struct pci_dev *dev);
- #ifdef HAVE_PCI_MMAP
- enum pci_mmap_api {
- PCI_MMAP_SYSFS,
- PCI_MMAP_PROCFS
- };
- int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai,
- enum pci_mmap_api mmap_api);
- #endif
- int pci_probe_reset_function(struct pci_dev *dev);
- struct pci_platform_pm_ops {
- bool (*is_manageable)(struct pci_dev *dev);
- int (*set_state)(struct pci_dev *dev, pci_power_t state);
- pci_power_t (*get_state)(struct pci_dev *dev);
- 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(const struct pci_platform_pm_ops *ops);
- void pci_update_current_state(struct pci_dev *dev, pci_power_t state);
- void pci_power_up(struct pci_dev *dev);
- 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);
- 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);
- void pci_bridge_d3_device_changed(struct pci_dev *dev);
- void pci_bridge_d3_device_removed(struct pci_dev *dev);
- static inline void pci_wakeup_event(struct pci_dev *dev)
- {
-
- pm_wakeup_event(&dev->dev, 100);
- }
- static inline bool pci_has_subordinate(struct pci_dev *pci_dev)
- {
- return !!(pci_dev->subordinate);
- }
- static inline bool pci_power_manageable(struct pci_dev *pci_dev)
- {
-
- return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;
- }
- struct pci_vpd_ops {
- ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
- ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);
- int (*set_size)(struct pci_dev *dev, size_t len);
- };
- struct pci_vpd {
- const struct pci_vpd_ops *ops;
- struct bin_attribute *attr;
- struct mutex lock;
- unsigned int len;
- u16 flag;
- u8 cap;
- u8 busy:1;
- u8 valid:1;
- };
- int pci_vpd_init(struct pci_dev *dev);
- void pci_vpd_release(struct pci_dev *dev);
- #ifdef CONFIG_PROC_FS
- int pci_proc_attach_device(struct pci_dev *dev);
- int pci_proc_detach_device(struct pci_dev *dev);
- int pci_proc_detach_bus(struct pci_bus *bus);
- #else
- static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
- static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
- static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
- #endif
- int pci_hp_add_bridge(struct pci_dev *dev);
- #ifdef HAVE_PCI_LEGACY
- void pci_create_legacy_files(struct pci_bus *bus);
- void pci_remove_legacy_files(struct pci_bus *bus);
- #else
- static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
- static inline void pci_remove_legacy_files(struct pci_bus *bus) { return; }
- #endif
- extern struct rw_semaphore pci_bus_sem;
- extern raw_spinlock_t pci_lock;
- extern unsigned int pci_pm_d3_delay;
- #ifdef CONFIG_PCI_MSI
- void pci_no_msi(void);
- #else
- static inline void pci_no_msi(void) { }
- #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)
- {
- unsigned int parent_dstates = 0;
- if (dev->bus->self)
- parent_dstates = dev->bus->self->no_d1d2;
- return (dev->no_d1d2 || parent_dstates);
- }
- extern const struct attribute_group *pci_dev_groups[];
- extern const struct attribute_group *pcibus_groups[];
- extern struct device_type pci_dev_type;
- extern const struct attribute_group *pci_bus_groups[];
- static inline const struct pci_device_id *
- pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
- {
- if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
- (id->device == PCI_ANY_ID || id->device == dev->device) &&
- (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
- (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
- !((id->class ^ dev->class) & id->class_mask))
- return id;
- return NULL;
- }
- #define to_pci_slot(s) container_of(s, struct pci_slot, kobj)
- extern struct kset *pci_slots_kset;
- struct pci_slot_attribute {
- struct attribute attr;
- ssize_t (*show)(struct pci_slot *, char *);
- ssize_t (*store)(struct pci_slot *, const char *, size_t);
- };
- #define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr)
- enum pci_bar_type {
- pci_bar_unknown,
- pci_bar_io,
- pci_bar_mem32,
- pci_bar_mem64,
- };
- bool pci_bus_read_dev_vendor_id(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);
- void pci_configure_ari(struct pci_dev *dev);
- void __pci_bus_size_bridges(struct pci_bus *bus,
- struct list_head *realloc_head);
- 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);
- struct pci_sriov {
- int pos;
- int nres;
- u32 cap;
- u16 ctrl;
- u16 total_VFs;
- u16 initial_VFs;
- u16 num_VFs;
- u16 offset;
- u16 stride;
- u32 pgsz;
- u8 link;
- u8 max_VF_buses;
- u16 driver_max_VFs;
- struct pci_dev *dev;
- struct pci_dev *self;
- struct mutex lock;
- resource_size_t barsz[PCI_SRIOV_NUM_BARS];
- };
- #ifdef CONFIG_PCI_ATS
- void pci_restore_ats_state(struct pci_dev *dev);
- #else
- static inline void pci_restore_ats_state(struct pci_dev *dev)
- {
- }
- #endif
- #ifdef CONFIG_PCI_IOV
- int pci_iov_init(struct pci_dev *dev);
- void pci_iov_release(struct pci_dev *dev);
- 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);
- #else
- static inline int pci_iov_init(struct pci_dev *dev)
- {
- return -ENODEV;
- }
- static inline void pci_iov_release(struct pci_dev *dev)
- {
- }
- static inline void pci_restore_iov_state(struct pci_dev *dev)
- {
- }
- static inline int pci_iov_bus_range(struct pci_bus *bus)
- {
- return 0;
- }
- #endif
- unsigned long pci_cardbus_resource_alignment(struct resource *);
- static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
- struct resource *res)
- {
- #ifdef CONFIG_PCI_IOV
- int resno = res - dev->resource;
- if (resno >= PCI_IOV_RESOURCES && resno <= PCI_IOV_RESOURCE_END)
- return pci_sriov_resource_alignment(dev, resno);
- #endif
- if (dev->class >> 8 == PCI_CLASS_BRIDGE_CARDBUS)
- return pci_cardbus_resource_alignment(res);
- return resource_alignment(res);
- }
- void pci_enable_acs(struct pci_dev *dev);
- #ifdef CONFIG_PCIE_PTM
- void pci_ptm_init(struct pci_dev *dev);
- #else
- static inline void pci_ptm_init(struct pci_dev *dev) { }
- #endif
- struct pci_dev_reset_methods {
- u16 vendor;
- u16 device;
- int (*reset)(struct pci_dev *dev, int probe);
- };
- #ifdef CONFIG_PCI_QUIRKS
- int pci_dev_specific_reset(struct pci_dev *dev, int probe);
- #else
- static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
- {
- return -ENOTTY;
- }
- #endif
- #endif
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