109 lines
3.7 KiB
C
109 lines
3.7 KiB
C
/* Functions internal to the PCI core code */
|
|
|
|
extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
|
|
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);
|
|
|
|
/* Firmware callbacks */
|
|
extern pci_power_t (*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);
|
|
|
|
struct pci_vpd_ops {
|
|
int (*read)(struct pci_dev *dev, int pos, int size, char *buf);
|
|
int (*write)(struct pci_dev *dev, int pos, int size, const char *buf);
|
|
void (*release)(struct pci_dev *dev);
|
|
};
|
|
|
|
struct pci_vpd {
|
|
unsigned int len;
|
|
struct pci_vpd_ops *ops;
|
|
struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
|
|
};
|
|
|
|
extern int pci_vpd_pci22_init(struct pci_dev *dev);
|
|
static inline void pci_vpd_release(struct pci_dev *dev)
|
|
{
|
|
if (dev->vpd)
|
|
dev->vpd->ops->release(dev);
|
|
}
|
|
|
|
/* 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_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
|
|
|
|
/* Functions for PCI Hotplug drivers to use */
|
|
extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
|
|
|
|
extern void pci_remove_legacy_files(struct pci_bus *bus);
|
|
|
|
/* Lock for read/write access to pci device and bus lists */
|
|
extern struct rw_semaphore pci_bus_sem;
|
|
|
|
extern unsigned int pci_pm_d3_delay;
|
|
|
|
#ifdef CONFIG_PCI_MSI
|
|
void pci_no_msi(void);
|
|
extern void pci_msi_init_pci_dev(struct pci_dev *dev);
|
|
#else
|
|
static inline void pci_no_msi(void) { }
|
|
static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
|
|
#endif
|
|
|
|
#ifdef CONFIG_PCIEAER
|
|
void pci_no_aer(void);
|
|
#else
|
|
static inline void pci_no_aer(void) { }
|
|
#endif
|
|
|
|
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 int pcie_mch_quirk;
|
|
extern struct device_attribute pci_dev_attrs[];
|
|
extern struct device_attribute dev_attr_cpuaffinity;
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);
|