From 4a4bc2e90c1c689bf929914256310361d4012df1 Mon Sep 17 00:00:00 2001 From: Lalit Chandivade Date: Fri, 16 Dec 2011 01:58:55 -0800 Subject: [SCSI] qla4xxx: cleanup, make qla4xxx_build_ddb_list short Make qla4xxx_build_ddb_list shorter by adding more helper functions. Signed-off-by: Lalit Chandivade Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 399 +++++++++++++++++++++++++----------------- 1 file changed, 237 insertions(+), 162 deletions(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index ec393a00c03..87e3699d7ea 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -2078,7 +2078,7 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) } } -void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) +static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) { struct iscsi_session *sess; struct ddb_entry *ddb_entry; @@ -3826,16 +3826,14 @@ exit_check: return ret; } -static void qla4xxx_free_nt_list(struct list_head *list_nt) +static void qla4xxx_free_ddb_list(struct list_head *list_ddb) { - struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; + struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; - /* Free up the normaltargets list */ - list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { - list_del_init(&nt_ddb_idx->list); - vfree(nt_ddb_idx); + list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { + list_del_init(&ddb_idx->list); + vfree(ddb_idx); } - } static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, @@ -3934,7 +3932,6 @@ static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) ip_state == IP_ADDRSTATE_DEPRICATED || ip_state == IP_ADDRSTATE_DISABLING) ip_idx[idx] = -1; - } /* Break if all IP states checked */ @@ -3947,52 +3944,34 @@ static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) } while (time_after(wtime, jiffies)); } -void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) +static void qla4xxx_build_st_list(struct scsi_qla_host *ha, + struct list_head *list_st) { + struct qla_ddb_index *st_ddb_idx; int max_ddbs; + int fw_idx_size; + struct dev_db_entry *fw_ddb_entry; + dma_addr_t fw_ddb_dma; int ret; uint32_t idx = 0, next_idx = 0; uint32_t state = 0, conn_err = 0; - uint16_t conn_id; - struct dev_db_entry *fw_ddb_entry; - struct ddb_entry *ddb_entry = NULL; - dma_addr_t fw_ddb_dma; - struct iscsi_cls_session *cls_sess; - struct iscsi_session *sess; - struct iscsi_cls_conn *cls_conn; - struct iscsi_endpoint *ep; - uint16_t cmds_max = 32, tmo = 0; - uint32_t initial_cmdsn = 0; - struct list_head list_st, list_nt; /* List of sendtargets */ - struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; - int fw_idx_size; - unsigned long wtime; - struct qla_ddb_index *nt_ddb_idx; - - if (!test_bit(AF_LINK_UP, &ha->flags)) { - set_bit(AF_BUILD_DDB_LIST, &ha->flags); - ha->is_reset = is_reset; - return; - } - max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : - MAX_DEV_DB_ENTRIES; + uint16_t conn_id = 0; fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, &fw_ddb_dma); if (fw_ddb_entry == NULL) { DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); - goto exit_ddb_list; + goto exit_st_list; } - INIT_LIST_HEAD(&list_st); - INIT_LIST_HEAD(&list_nt); + max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : + MAX_DEV_DB_ENTRIES; fw_idx_size = sizeof(struct qla_ddb_index); for (idx = 0; idx < max_ddbs; idx = next_idx) { - ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, - fw_ddb_dma, NULL, - &next_idx, &state, &conn_err, - NULL, &conn_id); + ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, + NULL, &next_idx, &state, + &conn_err, NULL, &conn_id); if (ret == QLA_ERROR) break; @@ -4009,59 +3988,155 @@ void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) st_ddb_idx->fw_ddb_idx = idx; - list_add_tail(&st_ddb_idx->list, &list_st); + list_add_tail(&st_ddb_idx->list, list_st); continue_next_st: if (next_idx == 0) break; } - /* Before issuing conn open mbox, ensure all IPs states are configured - * Note, conn open fails if IPs are not configured +exit_st_list: + if (fw_ddb_entry) + dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); +} + +/** + * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list + * @ha: pointer to adapter structure + * @list_ddb: List from which failed ddb to be removed + * + * Iterate over the list of DDBs and find and remove DDBs that are either in + * no connection active state or failed state + **/ +static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, + struct list_head *list_ddb) +{ + struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; + uint32_t next_idx = 0; + uint32_t state = 0, conn_err = 0; + int ret; + + list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { + ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, + NULL, 0, NULL, &next_idx, &state, + &conn_err, NULL, NULL); + if (ret == QLA_ERROR) + continue; + + if (state == DDB_DS_NO_CONNECTION_ACTIVE || + state == DDB_DS_SESSION_FAILED) { + list_del_init(&ddb_idx->list); + vfree(ddb_idx); + } + } +} + +static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, + struct dev_db_entry *fw_ddb_entry, + int is_reset) +{ + struct iscsi_cls_session *cls_sess; + struct iscsi_session *sess; + struct iscsi_cls_conn *cls_conn; + struct iscsi_endpoint *ep; + uint16_t cmds_max = 32; + uint16_t conn_id = 0; + uint32_t initial_cmdsn = 0; + int ret = QLA_SUCCESS; + + struct ddb_entry *ddb_entry = NULL; + + /* Create session object, with INVALID_ENTRY, + * the targer_id would get set when we issue the login */ - qla4xxx_wait_for_ip_configuration(ha); + cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, + cmds_max, sizeof(struct ddb_entry), + sizeof(struct ql4_task_data), + initial_cmdsn, INVALID_ENTRY); + if (!cls_sess) { + ret = QLA_ERROR; + goto exit_setup; + } - /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ - list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { - qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); + /* + * so calling module_put function to decrement the + * reference count. + **/ + module_put(qla4xxx_iscsi_transport.owner); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ddb_entry->sess = cls_sess; + + cls_sess->recovery_tmo = ql4xsess_recovery_tmo; + memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, + sizeof(struct dev_db_entry)); + + qla4xxx_setup_flash_ddb_entry(ha, ddb_entry); + + cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); + + if (!cls_conn) { + ret = QLA_ERROR; + goto exit_setup; } - /* Wait to ensure all sendtargets are done for min 12 sec wait */ - tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout); - DEBUG2(ql4_printk(KERN_INFO, ha, - "Default time to wait for build ddb %d\n", tmo)); + ddb_entry->conn = cls_conn; - wtime = jiffies + (HZ * tmo); - do { - list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, - list) { - ret = qla4xxx_get_fwddb_entry(ha, - st_ddb_idx->fw_ddb_idx, - NULL, 0, NULL, &next_idx, - &state, &conn_err, NULL, - NULL); - if (ret == QLA_ERROR) - continue; + /* Setup ep, for displaying attributes in sysfs */ + ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); + if (ep) { + ep->conn = cls_conn; + cls_conn->ep = ep; + } else { + DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); + ret = QLA_ERROR; + goto exit_setup; + } - if (state == DDB_DS_NO_CONNECTION_ACTIVE || - state == DDB_DS_SESSION_FAILED) { - list_del_init(&st_ddb_idx->list); - vfree(st_ddb_idx); - } - } - schedule_timeout_uninterruptible(HZ / 10); - } while (time_after(wtime, jiffies)); + /* Update sess/conn params */ + qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); - /* Free up the sendtargets list */ - list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { - list_del_init(&st_ddb_idx->list); - vfree(st_ddb_idx); + if (is_reset == RESET_ADAPTER) { + iscsi_block_session(cls_sess); + /* Use the relogin path to discover new devices + * by short-circuting the logic of setting + * timer to relogin - instead set the flags + * to initiate login right away. + */ + set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); + set_bit(DF_RELOGIN, &ddb_entry->flags); } +exit_setup: + return ret; +} + +static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, + struct list_head *list_nt, int is_reset) +{ + struct dev_db_entry *fw_ddb_entry; + dma_addr_t fw_ddb_dma; + int max_ddbs; + int fw_idx_size; + int ret; + uint32_t idx = 0, next_idx = 0; + uint32_t state = 0, conn_err = 0; + uint16_t conn_id = 0; + struct qla_ddb_index *nt_ddb_idx; + + fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, + &fw_ddb_dma); + if (fw_ddb_entry == NULL) { + DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); + goto exit_nt_list; + } + max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : + MAX_DEV_DB_ENTRIES; + fw_idx_size = sizeof(struct qla_ddb_index); + for (idx = 0; idx < max_ddbs; idx = next_idx) { - ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, - fw_ddb_dma, NULL, - &next_idx, &state, &conn_err, - NULL, &conn_id); + ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, + NULL, &next_idx, &state, + &conn_err, NULL, &conn_id); if (ret == QLA_ERROR) break; @@ -4072,107 +4147,107 @@ continue_next_st: if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) goto continue_next_nt; - if (state == DDB_DS_NO_CONNECTION_ACTIVE || - state == DDB_DS_SESSION_FAILED) { - DEBUG2(ql4_printk(KERN_INFO, ha, - "Adding DDB to session = 0x%x\n", - idx)); - if (is_reset == INIT_ADAPTER) { - nt_ddb_idx = vmalloc(fw_idx_size); - if (!nt_ddb_idx) - break; - - nt_ddb_idx->fw_ddb_idx = idx; - - memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, - sizeof(struct dev_db_entry)); - - if (qla4xxx_is_flash_ddb_exists(ha, &list_nt, - fw_ddb_entry) == QLA_SUCCESS) { - vfree(nt_ddb_idx); - goto continue_next_nt; - } - list_add_tail(&nt_ddb_idx->list, &list_nt); - } else if (is_reset == RESET_ADAPTER) { - if (qla4xxx_is_session_exists(ha, - fw_ddb_entry) == QLA_SUCCESS) - goto continue_next_nt; - } + if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || + state == DDB_DS_SESSION_FAILED)) + goto continue_next_nt; - /* Create session object, with INVALID_ENTRY, - * the targer_id would get set when we issue the login - */ - cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, - ha->host, cmds_max, - sizeof(struct ddb_entry), - sizeof(struct ql4_task_data), - initial_cmdsn, INVALID_ENTRY); - if (!cls_sess) - goto exit_ddb_list; + DEBUG2(ql4_printk(KERN_INFO, ha, + "Adding DDB to session = 0x%x\n", idx)); + if (is_reset == INIT_ADAPTER) { + nt_ddb_idx = vmalloc(fw_idx_size); + if (!nt_ddb_idx) + break; - /* - * iscsi_session_setup increments the driver reference - * count which wouldn't let the driver to be unloaded. - * so calling module_put function to decrement the - * reference count. - **/ - module_put(qla4xxx_iscsi_transport.owner); - sess = cls_sess->dd_data; - ddb_entry = sess->dd_data; - ddb_entry->sess = cls_sess; + nt_ddb_idx->fw_ddb_idx = idx; - cls_sess->recovery_tmo = ql4xsess_recovery_tmo; - memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, + memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, sizeof(struct dev_db_entry)); - qla4xxx_setup_flash_ddb_entry(ha, ddb_entry); - - cls_conn = iscsi_conn_setup(cls_sess, - sizeof(struct qla_conn), - conn_id); - if (!cls_conn) - goto exit_ddb_list; - - ddb_entry->conn = cls_conn; - - /* Setup ep, for displaying attributes in sysfs */ - ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); - if (ep) { - ep->conn = cls_conn; - cls_conn->ep = ep; - } else { - DEBUG2(ql4_printk(KERN_ERR, ha, - "Unable to get ep\n")); - } - - /* Update sess/conn params */ - qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, - cls_conn); - - if (is_reset == RESET_ADAPTER) { - iscsi_block_session(cls_sess); - /* Use the relogin path to discover new devices - * by short-circuting the logic of setting - * timer to relogin - instead set the flags - * to initiate login right away. - */ - set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); - set_bit(DF_RELOGIN, &ddb_entry->flags); + if (qla4xxx_is_flash_ddb_exists(ha, list_nt, + fw_ddb_entry) == QLA_SUCCESS) { + vfree(nt_ddb_idx); + goto continue_next_nt; } + list_add_tail(&nt_ddb_idx->list, list_nt); + } else if (is_reset == RESET_ADAPTER) { + if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == + QLA_SUCCESS) + goto continue_next_nt; } + + ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset); + if (ret == QLA_ERROR) + goto exit_nt_list; + continue_next_nt: if (next_idx == 0) break; } -exit_ddb_list: - qla4xxx_free_nt_list(&list_nt); + +exit_nt_list: if (fw_ddb_entry) dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); +} + +/** + * qla4xxx_build_ddb_list - Build ddb list and setup sessions + * @ha: pointer to adapter structure + * @is_reset: Is this init path or reset path + * + * Create a list of sendtargets (st) from firmware DDBs, issue send targets + * using connection open, then create the list of normal targets (nt) + * from firmware DDBs. Based on the list of nt setup session and connection + * objects. + **/ +void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) +{ + uint16_t tmo = 0; + struct list_head list_st, list_nt; + struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; + unsigned long wtime; + + if (!test_bit(AF_LINK_UP, &ha->flags)) { + set_bit(AF_BUILD_DDB_LIST, &ha->flags); + ha->is_reset = is_reset; + return; + } + + INIT_LIST_HEAD(&list_st); + INIT_LIST_HEAD(&list_nt); + + qla4xxx_build_st_list(ha, &list_st); + + /* Before issuing conn open mbox, ensure all IPs states are configured + * Note, conn open fails if IPs are not configured + */ + qla4xxx_wait_for_ip_configuration(ha); + + /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ + list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { + qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); + } + + /* Wait to ensure all sendtargets are done for min 12 sec wait */ + tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout); + DEBUG2(ql4_printk(KERN_INFO, ha, + "Default time to wait for build ddb %d\n", tmo)); + + wtime = jiffies + (HZ * tmo); + do { + qla4xxx_remove_failed_ddb(ha, &list_st); + schedule_timeout_uninterruptible(HZ / 10); + } while (time_after(wtime, jiffies)); + + /* Free up the sendtargets list */ + qla4xxx_free_ddb_list(&list_st); + + qla4xxx_build_nt_list(ha, &list_nt, is_reset); + + qla4xxx_free_ddb_list(&list_nt); qla4xxx_free_ddb_index(ha); } - /** * qla4xxx_probe_adapter - callback function to probe HBA * @pdev: pointer to pci_dev structure -- cgit v1.2.3-70-g09d2 From c28eaaca7acea214937fb9b3ae45e001d49947bf Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Sun, 18 Dec 2011 21:40:44 -0800 Subject: [SCSI] qla4xxx: Limit the ACB Default Timeout value to 12s A wrong default timeout value programmed in the adapter causes driver to wait for that much time while waiting for target discoveries to complete. This could add huge delays during the driver load time. To avoid this, limit the default timeout value to 12 seconds if the default timeout value set in adapter is less than 12 seconds and greater than 120 seconds. Signed-off-by: Nilesh Javali Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 87e3699d7ea..09b28f8513a 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1630,7 +1630,9 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, /* Update timers after login */ ddb_entry->default_relogin_timeout = - le16_to_cpu(fw_ddb_entry->def_timeout); + (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && + (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? + le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; ddb_entry->default_time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); @@ -3882,6 +3884,8 @@ static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry) { + uint16_t def_timeout; + ddb_entry->ddb_type = FLASH_DDB; ddb_entry->fw_ddb_index = INVALID_ENTRY; ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; @@ -3892,9 +3896,10 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); atomic_set(&ddb_entry->relogin_timer, 0); atomic_set(&ddb_entry->relogin_retry_count, 0); - + def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); ddb_entry->default_relogin_timeout = - le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); + (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? + def_timeout : LOGIN_TOV; ddb_entry->default_time2wait = le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); } @@ -4228,7 +4233,10 @@ void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) } /* Wait to ensure all sendtargets are done for min 12 sec wait */ - tmo = ((ha->def_timeout < LOGIN_TOV) ? LOGIN_TOV : ha->def_timeout); + tmo = ((ha->def_timeout > LOGIN_TOV) && + (ha->def_timeout < LOGIN_TOV * 10) ? + ha->def_timeout : LOGIN_TOV); + DEBUG2(ql4_printk(KERN_INFO, ha, "Default time to wait for build ddb %d\n", tmo)); -- cgit v1.2.3-70-g09d2 From f1f2e60e1a2320d0ce11102b72b15d5dedb29fe2 Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Fri, 16 Dec 2011 01:58:57 -0800 Subject: [SCSI] qla4xxx: Break the loop if the sendtargets list was empty Signed-off-by: Nilesh Javali Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 09b28f8513a..ae5d512bf43 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4242,6 +4242,9 @@ void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) wtime = jiffies + (HZ * tmo); do { + if (list_empty(&list_st)) + break; + qla4xxx_remove_failed_ddb(ha, &list_st); schedule_timeout_uninterruptible(HZ / 10); } while (time_after(wtime, jiffies)); -- cgit v1.2.3-70-g09d2 From 368d45cc61c062a1291d0b29257a0697d6aeabd9 Mon Sep 17 00:00:00 2001 From: Manish Rangankar Date: Fri, 16 Dec 2011 01:58:58 -0800 Subject: [SCSI] qla4xxx: Fixed BFS with sendtargets as boot index. If ql4xdisablesysfsboot = 0 and sendtargets entry as boot index then driver does export sendtarget entries in sysfs but iscsistart does not do discovery. So in this case let driver do the discovery and login to the targets. Signed-off-by: Manish Rangankar Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index ae5d512bf43..0048a3facd7 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3980,9 +3980,6 @@ static void qla4xxx_build_st_list(struct scsi_qla_host *ha, if (ret == QLA_ERROR) break; - if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) - goto continue_next_st; - /* Check if ST, add to the list_st */ if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) goto continue_next_st; -- cgit v1.2.3-70-g09d2 From 3a19cbf530648a63fb3f73630046c561f70c6b71 Mon Sep 17 00:00:00 2001 From: Vikas Chaudhary Date: Fri, 16 Dec 2011 01:58:59 -0800 Subject: [SCSI] qla4xxx: Update driver version to 5.02.00-k11 Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index 26a3fa34a33..7d04eb05c45 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,4 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.02.00-k10" +#define QLA4XXX_DRIVER_VERSION "5.02.00-k11" -- cgit v1.2.3-70-g09d2 From 4f77083ed0325ceb9cd5701c0f335583df3dded2 Mon Sep 17 00:00:00 2001 From: Mike Hernandez Date: Wed, 11 Jan 2012 02:44:15 -0800 Subject: [SCSI] qla4xxx: Temperature monitoring for ISP82XX core. During watchdog, need to monitor temperature of ISP82XX core and set device state to FAILED when temperature reaches "Panic" level. Signed-off-by: Mike Hernandez Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_def.h | 1 + drivers/scsi/qla4xxx/ql4_nx.h | 19 ++++++++++++++++--- drivers/scsi/qla4xxx/ql4_os.c | 42 +++++++++++++++++++++++++++++++++++++++++- 3 files changed, 58 insertions(+), 4 deletions(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 22a3ff02e48..ec48dc30b9a 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -671,6 +671,7 @@ struct scsi_qla_host { uint16_t pri_ddb_idx; uint16_t sec_ddb_idx; int is_reset; + uint16_t temperature; }; struct ql4_task_data { diff --git a/drivers/scsi/qla4xxx/ql4_nx.h b/drivers/scsi/qla4xxx/ql4_nx.h index 35376a1c3f1..cfb2f2edac3 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.h +++ b/drivers/scsi/qla4xxx/ql4_nx.h @@ -19,12 +19,25 @@ #define PHAN_PEG_RCV_INITIALIZED 0xff01 /*CRB_RELATED*/ -#define QLA82XX_CRB_BASE QLA82XX_CAM_RAM(0x200) -#define QLA82XX_REG(X) (QLA82XX_CRB_BASE+(X)) - +#define QLA82XX_CRB_BASE (QLA82XX_CAM_RAM(0x200)) +#define QLA82XX_REG(X) (QLA82XX_CRB_BASE+(X)) #define CRB_CMDPEG_STATE QLA82XX_REG(0x50) #define CRB_RCVPEG_STATE QLA82XX_REG(0x13c) #define CRB_DMA_SHIFT QLA82XX_REG(0xcc) +#define CRB_TEMP_STATE QLA82XX_REG(0x1b4) + +#define qla82xx_get_temp_val(x) ((x) >> 16) +#define qla82xx_get_temp_state(x) ((x) & 0xffff) +#define qla82xx_encode_temp(val, state) (((val) << 16) | (state)) + +/* + * Temperature control. + */ +enum { + QLA82XX_TEMP_NORMAL = 0x1, /* Normal operating range */ + QLA82XX_TEMP_WARN, /* Sound alert, temperature getting high */ + QLA82XX_TEMP_PANIC /* Fatal error, hardware has shut down. */ +}; #define QLA82XX_HW_H0_CH_HUB_ADR 0x05 #define QLA82XX_HW_H1_CH_HUB_ADR 0x0E diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 0048a3facd7..9d3eab51393 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1971,6 +1971,42 @@ mem_alloc_error_exit: return QLA_ERROR; } +/** + * qla4_8xxx_check_temp - Check the ISP82XX temperature. + * @ha: adapter block pointer. + * + * Note: The caller should not hold the idc lock. + **/ +static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) +{ + uint32_t temp, temp_state, temp_val; + int status = QLA_SUCCESS; + + temp = qla4_8xxx_rd_32(ha, CRB_TEMP_STATE); + + temp_state = qla82xx_get_temp_state(temp); + temp_val = qla82xx_get_temp_val(temp); + + if (temp_state == QLA82XX_TEMP_PANIC) { + ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" + " exceeds maximum allowed. Hardware has been shut" + " down.\n", temp_val); + status = QLA_ERROR; + } else if (temp_state == QLA82XX_TEMP_WARN) { + if (ha->temperature == QLA82XX_TEMP_NORMAL) + ql4_printk(KERN_WARNING, ha, "Device temperature %d" + " degrees C exceeds operating range." + " Immediate action needed.\n", temp_val); + } else { + if (ha->temperature == QLA82XX_TEMP_WARN) + ql4_printk(KERN_INFO, ha, "Device temperature is" + " now %d degrees C in normal range.\n", + temp_val); + } + ha->temperature = temp_state; + return status; +} + /** * qla4_8xxx_check_fw_alive - Check firmware health * @ha: Pointer to host adapter structure. @@ -2042,7 +2078,11 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) test_bit(DPC_RESET_HA, &ha->dpc_flags) || test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); - if (dev_state == QLA82XX_DEV_NEED_RESET && + + if (qla4_8xxx_check_temp(ha)) { + set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); + qla4xxx_wake_dpc(ha); + } else if (dev_state == QLA82XX_DEV_NEED_RESET && !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { if (!ql4xdontresethba) { ql4_printk(KERN_INFO, ha, "%s: HW State: " -- cgit v1.2.3-70-g09d2 From e6bd0ebd4a8ba9118e970c0214e912e35895c92b Mon Sep 17 00:00:00 2001 From: Giridhar Malavali Date: Wed, 11 Jan 2012 02:44:16 -0800 Subject: [SCSI] qla4xxx: Disable generating pause frames in case of FW hung In case of FW hung ISP82xx generates continuous pause frames which causes switch to disable port. Added fix to disable generating pause frames in case of FW hung Signed-off-by: Giridhar Malavali Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_mbx.c | 7 +++++++ drivers/scsi/qla4xxx/ql4_nx.h | 3 +++ drivers/scsi/qla4xxx/ql4_os.c | 10 ++++++++++ 3 files changed, 20 insertions(+) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index c2593782fbb..e1e66a45e4d 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -219,6 +219,13 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, ha->mailbox_timeout_count++; mbx_sts[0] = (-1); set_bit(DPC_RESET_HA, &ha->dpc_flags); + if (is_qla8022(ha)) { + ql4_printk(KERN_INFO, ha, + "disabling pause transmit on port 0 & 1.\n"); + qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, + CRB_NIU_XG_PAUSE_CTL_P0 | + CRB_NIU_XG_PAUSE_CTL_P1); + } goto mbox_exit; } diff --git a/drivers/scsi/qla4xxx/ql4_nx.h b/drivers/scsi/qla4xxx/ql4_nx.h index cfb2f2edac3..dc45ac92369 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.h +++ b/drivers/scsi/qla4xxx/ql4_nx.h @@ -39,6 +39,9 @@ enum { QLA82XX_TEMP_PANIC /* Fatal error, hardware has shut down. */ }; +#define CRB_NIU_XG_PAUSE_CTL_P0 0x1 +#define CRB_NIU_XG_PAUSE_CTL_P1 0x8 + #define QLA82XX_HW_H0_CH_HUB_ADR 0x05 #define QLA82XX_HW_H1_CH_HUB_ADR 0x0E #define QLA82XX_HW_H2_CH_HUB_ADR 0x03 diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 9d3eab51393..e2ef7762dc2 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -2080,6 +2080,11 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE); if (qla4_8xxx_check_temp(ha)) { + ql4_printk(KERN_INFO, ha, "disabling pause" + " transmit on port 0 & 1.\n"); + qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, + CRB_NIU_XG_PAUSE_CTL_P0 | + CRB_NIU_XG_PAUSE_CTL_P1); set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); qla4xxx_wake_dpc(ha); } else if (dev_state == QLA82XX_DEV_NEED_RESET && @@ -2099,6 +2104,11 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) } else { /* Check firmware health */ if (qla4_8xxx_check_fw_alive(ha)) { + ql4_printk(KERN_INFO, ha, "disabling pause" + " transmit on port 0 & 1.\n"); + qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, + CRB_NIU_XG_PAUSE_CTL_P0 | + CRB_NIU_XG_PAUSE_CTL_P1); halt_status = qla4_8xxx_rd_32(ha, QLA82XX_PEG_HALT_STATUS1); -- cgit v1.2.3-70-g09d2 From 527c8b2e962d21baa38a96b22e1bf50a47fdf4fb Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Wed, 11 Jan 2012 02:44:17 -0800 Subject: [SCSI] qla4xxx: Added error logging for firmware abort Added debug print with error code in case of firmware error. Signed-off-by: Nilesh Javali Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_def.h | 2 ++ drivers/scsi/qla4xxx/ql4_os.c | 7 +++++++ 2 files changed, 9 insertions(+) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index ec48dc30b9a..bfe68545203 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -150,6 +150,8 @@ #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */ /* recovery timeout */ +#define MSB(x) ((uint8_t)((uint16_t)(x) >> 8)) +#define LSW(x) ((uint16_t)(x)) #define LSDW(x) ((u32)((u64)(x))) #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16)) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index e2ef7762dc2..b75590af8ed 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -2112,6 +2112,13 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) halt_status = qla4_8xxx_rd_32(ha, QLA82XX_PEG_HALT_STATUS1); + if (LSW(MSB(halt_status)) == 0x67) + ql4_printk(KERN_ERR, ha, "%s:" + " Firmware aborted with" + " error code 0x00006700." + " Device is being reset\n", + __func__); + /* Since we cannot change dev_state in interrupt * context, set appropriate DPC flag then wakeup * DPC */ -- cgit v1.2.3-70-g09d2 From 787649993230eb1d6fc326f13be285a840092538 Mon Sep 17 00:00:00 2001 From: Sarang Radke Date: Wed, 11 Jan 2012 02:44:18 -0800 Subject: [SCSI] qla4xxx: Clear the RISC interrupt bit during FW init This patch fix kernel panic during kdump. Signed-off-by: Sarang Radke Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_init.c | 3 +++ drivers/scsi/qla4xxx/ql4_nx.c | 5 +++++ 2 files changed, 8 insertions(+) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 1bdfa8120ac..90614f38b55 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -697,6 +697,9 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha) writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), &ha->reg->ctrl_status); readl(&ha->reg->ctrl_status); + writel(set_rmask(CSR_SCSI_COMPLETION_INTR), + &ha->reg->ctrl_status); + readl(&ha->reg->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s: Get firmware " diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 8d6bc1b2ff1..78f1111158d 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -1875,6 +1875,11 @@ exit: int qla4_8xxx_load_risc(struct scsi_qla_host *ha) { int retval; + + /* clear the interrupt */ + writel(0, &ha->qla4_8xxx_reg->host_int); + readl(&ha->qla4_8xxx_reg->host_int); + retval = qla4_8xxx_device_state_handler(ha); if (retval == QLA_SUCCESS && !test_bit(AF_INIT_DONE, &ha->flags)) -- cgit v1.2.3-70-g09d2 From a4e8a715a39e5d29f7d35a7289b914ef205a866b Mon Sep 17 00:00:00 2001 From: Karen Higgins Date: Wed, 11 Jan 2012 02:44:20 -0800 Subject: [SCSI] qla4xxx: Cleanup modinfo display Beautify modinfo display. Display correct info for ql4xextended_error_logging [jejb: fixup checkpatch warning] Signed-off-by: Karen Higgins Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index b75590af8ed..ce6d3b7f0c6 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -35,43 +35,44 @@ static struct kmem_cache *srb_cachep; int ql4xdisablesysfsboot = 1; module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xdisablesysfsboot, - "Set to disable exporting boot targets to sysfs\n" - " 0 - Export boot targets\n" - " 1 - Do not export boot targets (Default)"); + " Set to disable exporting boot targets to sysfs.\n" + "\t\t 0 - Export boot targets\n" + "\t\t 1 - Do not export boot targets (Default)"); int ql4xdontresethba = 0; module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xdontresethba, - "Don't reset the HBA for driver recovery \n" - " 0 - It will reset HBA (Default)\n" - " 1 - It will NOT reset HBA"); + " Don't reset the HBA for driver recovery.\n" + "\t\t 0 - It will reset HBA (Default)\n" + "\t\t 1 - It will NOT reset HBA"); -int ql4xextended_error_logging = 0; /* 0 = off, 1 = log errors */ +int ql4xextended_error_logging; module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xextended_error_logging, - "Option to enable extended error logging, " - "Default is 0 - no logging, 1 - debug logging"); + " Option to enable extended error logging.\n" + "\t\t 0 - no logging (Default)\n" + "\t\t 2 - debug logging"); int ql4xenablemsix = 1; module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql4xenablemsix, - "Set to enable MSI or MSI-X interrupt mechanism.\n" - " 0 = enable INTx interrupt mechanism.\n" - " 1 = enable MSI-X interrupt mechanism (Default).\n" - " 2 = enable MSI interrupt mechanism."); + " Set to enable MSI or MSI-X interrupt mechanism.\n" + "\t\t 0 = enable INTx interrupt mechanism.\n" + "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" + "\t\t 2 = enable MSI interrupt mechanism."); #define QL4_DEF_QDEPTH 32 static int ql4xmaxqdepth = QL4_DEF_QDEPTH; module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xmaxqdepth, - "Maximum queue depth to report for target devices.\n" - " Default: 32."); + " Maximum queue depth to report for target devices.\n" + "\t\t Default: 32."); static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; module_param(ql4xsess_recovery_tmo, int, S_IRUGO); MODULE_PARM_DESC(ql4xsess_recovery_tmo, "Target Session Recovery Timeout.\n" - " Default: 120 sec."); + "\t\t Default: 120 sec."); static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); /* -- cgit v1.2.3-70-g09d2 From 19b628dfc60eda4459b65e4b6b7a748932d28929 Mon Sep 17 00:00:00 2001 From: Vikas Chaudhary Date: Wed, 11 Jan 2012 02:44:21 -0800 Subject: [SCSI] qla4xxx: Update driver version to 5.02.00-k12 Signed-off-by: Vikas Chaudhary Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/scsi/qla4xxx') diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index 7d04eb05c45..133989b3a9f 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,4 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.02.00-k11" +#define QLA4XXX_DRIVER_VERSION "5.02.00-k12" -- cgit v1.2.3-70-g09d2