X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpci%2Fpci.h;h=08d58fc78ee1cafc522702fd26618e4b43d66a4f;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=e1985b618fc99cf2ef747da878973c47516ab1dc;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index e1985b618..08d58fc78 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -1,64 +1,101 @@ /* Functions internal to the PCI core code */ -extern int pci_hotplug (struct device *dev, char **envp, int num_envp, - char *buffer, int buffer_size); -extern void pci_create_sysfs_dev_files(struct pci_dev *pdev); +extern int pci_uevent(struct device *dev, char **envp, int num_envp, + char *buffer, int buffer_size); +extern int pci_create_sysfs_dev_files(struct pci_dev *pdev); +extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev); +extern void pci_cleanup_rom(struct pci_dev *dev); extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res, - unsigned long size, unsigned long align, - unsigned long min, unsigned int type_mask, + resource_size_t size, resource_size_t align, + resource_size_t min, unsigned int type_mask, void (*alignf)(void *, struct resource *, - unsigned long, unsigned long), + resource_size_t, resource_size_t), void *alignf_data); +/* Firmware callbacks */ +extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state); +extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state); + +extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); +extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); +extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); +extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); +extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); +extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); + /* PCI /proc functions */ #ifdef CONFIG_PROC_FS extern int pci_proc_attach_device(struct pci_dev *dev); extern int pci_proc_detach_device(struct pci_dev *dev); -extern int pci_proc_attach_bus(struct pci_bus *bus); extern 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_attach_bus(struct pci_bus *bus) { return 0; } static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } #endif /* Functions for PCI Hotplug drivers to use */ -extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); extern unsigned int pci_do_scan_bus(struct pci_bus *bus); -extern int pci_remove_device_safe(struct pci_dev *dev); -extern unsigned char pci_max_busnr(void); -extern unsigned char pci_bus_max_busnr(struct pci_bus *bus); extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); -struct pci_dev_wrapped { - struct pci_dev *dev; - void *data; -}; +extern void pci_remove_legacy_files(struct pci_bus *bus); -struct pci_bus_wrapped { - struct pci_bus *bus; - void *data; -}; +/* Lock for read/write access to pci device and bus lists */ +extern struct rw_semaphore pci_bus_sem; -struct pci_visit { - int (* pre_visit_pci_bus) (struct pci_bus_wrapped *, - struct pci_dev_wrapped *); - int (* post_visit_pci_bus) (struct pci_bus_wrapped *, - struct pci_dev_wrapped *); +#ifdef CONFIG_X86_IO_APIC +extern int pci_msi_quirk; +#else +#define pci_msi_quirk 0 +#endif +extern unsigned int pci_pm_d3_delay; +#ifdef CONFIG_PCI_MSI +void disable_msi_mode(struct pci_dev *dev, int pos, int type); +void pci_no_msi(void); +#else +static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { } +static inline void pci_no_msi(void) { } +#endif +#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM) +int pci_save_msi_state(struct pci_dev *dev); +int pci_save_msix_state(struct pci_dev *dev); +void pci_restore_msi_state(struct pci_dev *dev); +void pci_restore_msix_state(struct pci_dev *dev); +#else +static inline int pci_save_msi_state(struct pci_dev *dev) { return 0; } +static inline int pci_save_msix_state(struct pci_dev *dev) { return 0; } +static inline void pci_restore_msi_state(struct pci_dev *dev) {} +static inline void pci_restore_msix_state(struct pci_dev *dev) {} +#endif +static inline int pci_no_d1d2(struct pci_dev *dev) +{ + unsigned int parent_dstates = 0; - int (* pre_visit_pci_dev) (struct pci_dev_wrapped *, - struct pci_bus_wrapped *); - int (* visit_pci_dev) (struct pci_dev_wrapped *, - struct pci_bus_wrapped *); - int (* post_visit_pci_dev) (struct pci_dev_wrapped *, - struct pci_bus_wrapped *); -}; + if (dev->bus->self) + parent_dstates = dev->bus->self->no_d1d2; + return (dev->no_d1d2 || parent_dstates); -extern int pci_visit_dev(struct pci_visit *fn, - struct pci_dev_wrapped *wrapped_dev, - struct pci_bus_wrapped *wrapped_parent); +} +extern int pcie_mch_quirk; +extern struct device_attribute pci_dev_attrs[]; +extern struct class_device_attribute class_device_attr_cpuaffinity; -/* Lock for read/write access to pci device and bus lists */ -extern spinlock_t pci_bus_lock; +/** + * pci_match_one_device - Tell if a PCI device structure has a matching + * PCI device id structure + * @id: single PCI device id structure to match + * @dev: the PCI device structure to match against + * + * Returns the matching pci_device_id structure or %NULL if there is no match. + */ +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; +} -extern int pciehp_msi_quirk;