diff options
Diffstat (limited to 'sys/ofed/include/linux/pci.h')
| -rw-r--r-- | sys/ofed/include/linux/pci.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/ofed/include/linux/pci.h b/sys/ofed/include/linux/pci.h index 5d91e2d..5c9cfde 100644 --- a/sys/ofed/include/linux/pci.h +++ b/sys/ofed/include/linux/pci.h @@ -72,6 +72,9 @@ struct pci_device_id { #define PCI_DEVICE_ID_MELLANOX_SINAI_OLD 0x5e8c #define PCI_DEVICE_ID_MELLANOX_SINAI 0x6274 +#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) +#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) +#define PCI_FUNC(devfn) ((devfn) & 0x07) #define PCI_VDEVICE(_vendor, _device) \ .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ @@ -93,14 +96,18 @@ struct pci_device_id { struct pci_dev; + struct pci_driver { struct list_head links; char *name; struct pci_device_id *id_table; int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); void (*remove)(struct pci_dev *dev); + int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ + int (*resume) (struct pci_dev *dev); /* Device woken up */ driver_t driver; devclass_t bsdclass; + struct pci_error_handlers *err_handler; }; extern struct list_head pci_drivers; @@ -117,6 +124,9 @@ struct pci_dev { uint16_t device; uint16_t vendor; unsigned int irq; + unsigned int devfn; + u8 revision; + struct pci_devinfo *bus; /* bus this device is on, equivalent to linux struct pci_bus */ }; static inline struct resource_list_entry * @@ -296,6 +306,7 @@ pci_disable_msix(struct pci_dev *pdev) #define PCI_CAP_ID_EXP PCIY_EXPRESS #define PCI_CAP_ID_PCIX PCIY_PCIX + static inline int pci_find_capability(struct pci_dev *pdev, int capid) { @@ -306,6 +317,26 @@ pci_find_capability(struct pci_dev *pdev, int capid) return (reg); } + + + +/** + * pci_pcie_cap - get the saved PCIe capability offset + * @dev: PCI device + * + * PCIe capability offset is calculated at PCI device initialization + * time and saved in the data structure. This function returns saved + * PCIe capability offset. Using this instead of pci_find_capability() + * reduces unnecessary search in the PCI configuration space. If you + * need to calculate PCIe capability offset from raw device for some + * reasons, please use pci_find_capability() instead. + */ +static inline int pci_pcie_cap(struct pci_dev *dev) +{ + return pci_find_capability(dev, PCI_CAP_ID_EXP); +} + + static inline int pci_read_config_byte(struct pci_dev *pdev, int where, u8 *val) { @@ -529,6 +560,30 @@ pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) return (0); } +static inline int pci_channel_offline(struct pci_dev *pdev) +{ + return false; +} + +static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) +{ + return -ENODEV; +} +static inline void pci_disable_sriov(struct pci_dev *dev) +{ +} + +/** + * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table + * @_table: device table name + * + * This macro is used to create a struct pci_device_id array (a device table) + * in a generic manner. + */ +#define DEFINE_PCI_DEVICE_TABLE(_table) \ + const struct pci_device_id _table[] __devinitdata + + /* XXX This should not be necessary. */ #define pcix_set_mmrbc(d, v) 0 #define pcix_get_max_mmrbc(d) 0 @@ -578,5 +633,57 @@ pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) #define pci_unmap_len dma_unmap_len #define pci_unmap_len_set dma_unmap_len_set +typedef unsigned int __bitwise pci_channel_state_t; +typedef unsigned int __bitwise pci_ers_result_t; + +enum pci_channel_state { + /* I/O channel is in normal state */ + pci_channel_io_normal = (__force pci_channel_state_t) 1, + + /* I/O to channel is blocked */ + pci_channel_io_frozen = (__force pci_channel_state_t) 2, + + /* PCI card is dead */ + pci_channel_io_perm_failure = (__force pci_channel_state_t) 3, +}; + +enum pci_ers_result { + /* no result/none/not supported in device driver */ + PCI_ERS_RESULT_NONE = (__force pci_ers_result_t) 1, + + /* Device driver can recover without slot reset */ + PCI_ERS_RESULT_CAN_RECOVER = (__force pci_ers_result_t) 2, + + /* Device driver wants slot to be reset. */ + PCI_ERS_RESULT_NEED_RESET = (__force pci_ers_result_t) 3, + + /* Device has completely failed, is unrecoverable */ + PCI_ERS_RESULT_DISCONNECT = (__force pci_ers_result_t) 4, + + /* Device driver is fully recovered and operational */ + PCI_ERS_RESULT_RECOVERED = (__force pci_ers_result_t) 5, +}; + + +/* PCI bus error event callbacks */ +struct pci_error_handlers { + /* PCI bus error detected on this device */ + pci_ers_result_t (*error_detected)(struct pci_dev *dev, + enum pci_channel_state error); + + /* MMIO has been re-enabled, but not DMA */ + pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); + + /* PCI Express link has been reset */ + pci_ers_result_t (*link_reset)(struct pci_dev *dev); + + /* PCI slot has been reset */ + pci_ers_result_t (*slot_reset)(struct pci_dev *dev); + + /* Device driver may resume normal operations */ + void (*resume)(struct pci_dev *dev); +}; + + #endif /* _LINUX_PCI_H_ */ |
