diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 119 |
1 files changed, 111 insertions, 8 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 10e6995b39a..916462ef196 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -37,6 +37,9 @@ static int qla2x00_restart_isp(scsi_qla_host_t *); static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); +static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); +static int qla84xx_init_chip(scsi_qla_host_t *); + /****************************************************************************/ /* QLogic ISP2x00 Hardware Support Functions. */ /****************************************************************************/ @@ -108,6 +111,14 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha) return (rval); qla2xxx_get_flash_info(ha); } + if (IS_QLA84XX(ha)) { + ha->cs84xx = qla84xx_get_chip(ha); + if (!ha->cs84xx) { + qla_printk(KERN_ERR, ha, + "Unable to configure ISP84XX.\n"); + return QLA_FUNCTION_FAILED; + } + } rval = qla2x00_init_rings(ha); return (rval); @@ -1243,10 +1254,10 @@ static int qla2x00_fw_ready(scsi_qla_host_t *ha) { int rval; - unsigned long wtime, mtime; + unsigned long wtime, mtime, cs84xx_time; uint16_t min_wait; /* Minimum wait time if loop is down */ uint16_t wait_time; /* Wait time if loop is coming ready */ - uint16_t fw_state; + uint16_t state[3]; rval = QLA_SUCCESS; @@ -1275,12 +1286,34 @@ qla2x00_fw_ready(scsi_qla_host_t *ha) ha->host_no)); do { - rval = qla2x00_get_firmware_state(ha, &fw_state); + rval = qla2x00_get_firmware_state(ha, state); if (rval == QLA_SUCCESS) { - if (fw_state < FSTATE_LOSS_OF_SYNC) { + if (state[0] < FSTATE_LOSS_OF_SYNC) { ha->device_flags &= ~DFLG_NO_CABLE; } - if (fw_state == FSTATE_READY) { + if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { + DEBUG16(printk("scsi(%ld): fw_state=%x " + "84xx=%x.\n", ha->host_no, state[0], + state[2])); + if ((state[2] & FSTATE_LOGGED_IN) && + (state[2] & FSTATE_WAITING_FOR_VERIFY)) { + DEBUG16(printk("scsi(%ld): Sending " + "verify iocb.\n", ha->host_no)); + + cs84xx_time = jiffies; + rval = qla84xx_init_chip(ha); + if (rval != QLA_SUCCESS) + break; + + /* Add time taken to initialize. */ + cs84xx_time = jiffies - cs84xx_time; + wtime += cs84xx_time; + mtime += cs84xx_time; + DEBUG16(printk("scsi(%ld): Increasing " + "wait time by %ld. New time %ld\n", + ha->host_no, cs84xx_time, wtime)); + } + } else if (state[0] == FSTATE_READY) { DEBUG(printk("scsi(%ld): F/W Ready - OK \n", ha->host_no)); @@ -1294,7 +1327,7 @@ qla2x00_fw_ready(scsi_qla_host_t *ha) rval = QLA_FUNCTION_FAILED; if (atomic_read(&ha->loop_down_timer) && - fw_state != FSTATE_READY) { + state[0] != FSTATE_READY) { /* Loop down. Timeout on min_wait for states * other than Wait for Login. */ @@ -1319,11 +1352,11 @@ qla2x00_fw_ready(scsi_qla_host_t *ha) msleep(500); DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", - ha->host_no, fw_state, jiffies)); + ha->host_no, state[0], jiffies)); } while (1); DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", - ha->host_no, fw_state, jiffies)); + ha->host_no, state[0], jiffies)); if (rval) { DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", @@ -4038,3 +4071,73 @@ qla24xx_configure_vhba(scsi_qla_host_t *ha) return rval; } + +/* 84XX Support **************************************************************/ + +static LIST_HEAD(qla_cs84xx_list); +static DEFINE_MUTEX(qla_cs84xx_mutex); + +static struct qla_chip_state_84xx * +qla84xx_get_chip(struct scsi_qla_host *ha) +{ + struct qla_chip_state_84xx *cs84xx; + + mutex_lock(&qla_cs84xx_mutex); + + /* Find any shared 84xx chip. */ + list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { + if (cs84xx->bus == ha->pdev->bus) { + kref_get(&cs84xx->kref); + goto done; + } + } + + cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); + if (!cs84xx) + goto done; + + kref_init(&cs84xx->kref); + spin_lock_init(&cs84xx->access_lock); + mutex_init(&cs84xx->fw_update_mutex); + cs84xx->bus = ha->pdev->bus; + + list_add_tail(&cs84xx->list, &qla_cs84xx_list); +done: + mutex_unlock(&qla_cs84xx_mutex); + return cs84xx; +} + +static void +__qla84xx_chip_release(struct kref *kref) +{ + struct qla_chip_state_84xx *cs84xx = + container_of(kref, struct qla_chip_state_84xx, kref); + + mutex_lock(&qla_cs84xx_mutex); + list_del(&cs84xx->list); + mutex_unlock(&qla_cs84xx_mutex); + kfree(cs84xx); +} + +void +qla84xx_put_chip(struct scsi_qla_host *ha) +{ + if (ha->cs84xx) + kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); +} + +static int +qla84xx_init_chip(scsi_qla_host_t *ha) +{ + int rval; + uint16_t status[2]; + + mutex_lock(&ha->cs84xx->fw_update_mutex); + + rval = qla84xx_verify_chip(ha, status); + + mutex_unlock(&ha->cs84xx->fw_update_mutex); + + return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED: + QLA_SUCCESS; +} |