diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index bd1088a9989..2a4414b948e 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -57,6 +57,24 @@ extern struct infinipath_stats ipath_stats; #define IPATH_CHIP_SWVERSION IPATH_CHIP_VERS_MAJ +/* + * First-cut critierion for "device is active" is + * two thousand dwords combined Tx, Rx traffic per + * 5-second interval. SMA packets are 64 dwords, + * and occur "a few per second", presumably each way. + */ +#define IPATH_TRAFFIC_ACTIVE_THRESHOLD (2000) +/* + * Struct used to indicate which errors are logged in each of the + * error-counters that are logged to EEPROM. A counter is incremented + * _once_ (saturating at 255) for each event with any bits set in + * the error or hwerror register masks below. + */ +#define IPATH_EEP_LOG_CNT (4) +struct ipath_eep_log_mask { + u64 errs_to_log; + u64 hwerrs_to_log; +}; struct ipath_portdata { void **port_rcvegrbuf; @@ -588,6 +606,24 @@ struct ipath_devdata { /* Used to flash LEDs in override mode */ struct timer_list ipath_led_override_timer; + /* Support (including locks) for EEPROM logging of errors and time */ + /* control access to actual counters, timer */ + spinlock_t ipath_eep_st_lock; + /* control high-level access to EEPROM */ + struct semaphore ipath_eep_sem; + /* Below inc'd by ipath_snap_cntrs(), locked by ipath_eep_st_lock */ + uint64_t ipath_traffic_wds; + /* active time is kept in seconds, but logged in hours */ + atomic_t ipath_active_time; + /* Below are nominal shadow of EEPROM, new since last EEPROM update */ + uint8_t ipath_eep_st_errs[IPATH_EEP_LOG_CNT]; + uint8_t ipath_eep_st_new_errs[IPATH_EEP_LOG_CNT]; + uint16_t ipath_eep_hrs; + /* + * masks for which bits of errs, hwerrs that cause + * each of the counters to increment. + */ + struct ipath_eep_log_mask ipath_eep_st_masks[IPATH_EEP_LOG_CNT]; }; /* Private data for file operations */ @@ -726,6 +762,8 @@ u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *); void ipath_init_iba6120_funcs(struct ipath_devdata *); void ipath_init_iba6110_funcs(struct ipath_devdata *); void ipath_get_eeprom_info(struct ipath_devdata *); +int ipath_update_eeprom_log(struct ipath_devdata *dd); +void ipath_inc_eeprom_err(struct ipath_devdata *dd, u32 eidx, u32 incr); u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg); void ipath_disarm_senderrbufs(struct ipath_devdata *, int); |