diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_isr.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_isr.c | 83 |
1 files changed, 69 insertions, 14 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 0e72921..827e930 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -224,8 +224,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, * I/O to this device. We should get a ddb state change * AEN soon. */ - if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) - qla4xxx_mark_device_missing(ha, ddb_entry); + if (iscsi_is_session_online(ddb_entry->sess)) + qla4xxx_mark_device_missing(ddb_entry->sess); break; case SCS_DATA_UNDERRUN: @@ -306,8 +306,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, * send I/O to this device. We should get a ddb * state change AEN soon. */ - if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) - qla4xxx_mark_device_missing(ha, ddb_entry); + if (iscsi_is_session_online(ddb_entry->sess)) + qla4xxx_mark_device_missing(ddb_entry->sess); cmd->result = DID_TRANSPORT_DISRUPTED << 16; break; @@ -341,6 +341,51 @@ status_entry_exit: } /** + * qla4xxx_passthru_status_entry - processes passthru status IOCBs (0x3C) + * @ha: Pointer to host adapter structure. + * @sts_entry: Pointer to status entry structure. + **/ +static void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha, + struct passthru_status *sts_entry) +{ + struct iscsi_task *task; + struct ddb_entry *ddb_entry; + struct ql4_task_data *task_data; + struct iscsi_cls_conn *cls_conn; + struct iscsi_conn *conn; + itt_t itt; + uint32_t fw_ddb_index; + + itt = sts_entry->handle; + fw_ddb_index = le32_to_cpu(sts_entry->target); + + ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); + + if (ddb_entry == NULL) { + ql4_printk(KERN_ERR, ha, "%s: Invalid target index = 0x%x\n", + __func__, sts_entry->target); + return; + } + + cls_conn = ddb_entry->conn; + conn = cls_conn->dd_data; + spin_lock(&conn->session->lock); + task = iscsi_itt_to_task(conn, itt); + spin_unlock(&conn->session->lock); + + if (task == NULL) { + ql4_printk(KERN_ERR, ha, "%s: Task is NULL\n", __func__); + return; + } + + task_data = task->dd_data; + memcpy(&task_data->sts, sts_entry, sizeof(struct passthru_status)); + ha->req_q_count += task_data->iocb_req_cnt; + ha->iocb_cnt -= task_data->iocb_req_cnt; + queue_work(ha->task_wq, &task_data->task_work); +} + +/** * qla4xxx_process_response_queue - process response queue completions * @ha: Pointer to host adapter structure. * @@ -375,6 +420,14 @@ void qla4xxx_process_response_queue(struct scsi_qla_host *ha) break; case ET_PASSTHRU_STATUS: + if (sts_entry->hdr.systemDefined == SD_ISCSI_PDU) + qla4xxx_passthru_status_entry(ha, + (struct passthru_status *)sts_entry); + else + ql4_printk(KERN_ERR, ha, + "%s: Invalid status received\n", + __func__); + break; case ET_STATUS_CONTINUATION: @@ -566,6 +619,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha, else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) && (mbox_sts[2] == ACB_STATE_VALID)) set_bit(DPC_RESET_HA, &ha->dpc_flags); + else if ((mbox_sts[3] == ACB_STATE_UNCONFIGURED)) + complete(&ha->disable_acb_comp); break; case MBOX_ASTS_MAC_ADDRESS_CHANGED: @@ -1009,23 +1064,23 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen) switch (mbox_sts[0]) { case MBOX_ASTS_DATABASE_CHANGED: - if (process_aen == FLUSH_DDB_CHANGED_AENS) { + switch (process_aen) { + case FLUSH_DDB_CHANGED_AENS: DEBUG2(printk("scsi%ld: AEN[%d] %04x, index " "[%d] state=%04x FLUSHED!\n", ha->host_no, ha->aen_out, mbox_sts[0], mbox_sts[2], mbox_sts[3])); break; + case PROCESS_ALL_AENS: + default: + /* Specific device. */ + if (mbox_sts[1] == 1) + qla4xxx_process_ddb_changed(ha, + mbox_sts[2], mbox_sts[3], + mbox_sts[4]); + break; } - case PROCESS_ALL_AENS: - default: - if (mbox_sts[1] == 0) { /* Global DB change. */ - qla4xxx_reinitialize_ddb_list(ha); - } else if (mbox_sts[1] == 1) { /* Specific device. */ - qla4xxx_process_ddb_changed(ha, mbox_sts[2], - mbox_sts[3], mbox_sts[4]); - } - break; } spin_lock_irqsave(&ha->hardware_lock, flags); } |