diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 294 |
1 files changed, 253 insertions, 41 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index b905dfe5ea6..9067629817e 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -1,6 +1,6 @@ /* * QLogic Fibre Channel HBA Driver - * Copyright (c) 2003-2008 QLogic Corporation + * Copyright (c) 2003-2010 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ @@ -41,13 +41,28 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag) int i, ret, num_valid; uint8_t *bcode; struct qla_fcp_prio_entry *pri_entry; + uint32_t *bcode_val_ptr, bcode_val; ret = 1; num_valid = 0; bcode = (uint8_t *)pri_cfg; + bcode_val_ptr = (uint32_t *)pri_cfg; + bcode_val = (uint32_t)(*bcode_val_ptr); - if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' || - bcode[0x3] != 'S') { + if (bcode_val == 0xFFFFFFFF) { + /* No FCP Priority config data in flash */ + DEBUG2(printk(KERN_INFO + "%s: No FCP priority config data.\n", + __func__)); + return 0; + } + + if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' || + bcode[3] != 'S') { + /* Invalid FCP priority data header*/ + DEBUG2(printk(KERN_ERR + "%s: Invalid FCP Priority data header. bcode=0x%x\n", + __func__, bcode_val)); return 0; } if (flag != 1) @@ -60,8 +75,18 @@ qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag) pri_entry++; } - if (num_valid == 0) + if (num_valid == 0) { + /* No valid FCP priority data entries */ + DEBUG2(printk(KERN_ERR + "%s: No valid FCP Priority data entries.\n", + __func__)); ret = 0; + } else { + /* FCP priority data is valid */ + DEBUG2(printk(KERN_INFO + "%s: Valid FCP priority data. num entries = %d\n", + __func__, num_valid)); + } return ret; } @@ -78,6 +103,11 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job) bsg_job->reply->reply_payload_rcv_len = 0; + if (!IS_QLA24XX_TYPE(ha) || !IS_QLA25XX(ha)) { + ret = -EINVAL; + goto exit_fcp_prio_cfg; + } + if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { @@ -199,7 +229,7 @@ static int qla2x00_process_els(struct fc_bsg_job *bsg_job) { struct fc_rport *rport; - fc_port_t *fcport; + fc_port_t *fcport = NULL; struct Scsi_Host *host; scsi_qla_host_t *vha; struct qla_hw_data *ha; @@ -210,6 +240,29 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) uint16_t nextlid = 0; struct srb_ctx *els; + if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) { + rport = bsg_job->rport; + fcport = *(fc_port_t **) rport->dd_data; + host = rport_to_shost(rport); + vha = shost_priv(host); + ha = vha->hw; + type = "FC_BSG_RPT_ELS"; + } else { + host = bsg_job->shost; + vha = shost_priv(host); + ha = vha->hw; + type = "FC_BSG_HST_ELS_NOLOGIN"; + } + + /* pass through is supported only for ISP 4Gb or higher */ + if (!IS_FWI2_CAPABLE(ha)) { + DEBUG2(qla_printk(KERN_INFO, ha, + "scsi(%ld):ELS passthru not supported for ISP23xx based " + "adapters\n", vha->host_no)); + rval = -EPERM; + goto done; + } + /* Multiple SG's are not supported for ELS requests */ if (bsg_job->request_payload.sg_cnt > 1 || bsg_job->reply_payload.sg_cnt > 1) { @@ -224,13 +277,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) /* ELS request for rport */ if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) { - rport = bsg_job->rport; - fcport = *(fc_port_t **) rport->dd_data; - host = rport_to_shost(rport); - vha = shost_priv(host); - ha = vha->hw; - type = "FC_BSG_RPT_ELS"; - /* make sure the rport is logged in, * if not perform fabric login */ @@ -242,11 +288,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) goto done; } } else { - host = bsg_job->shost; - vha = shost_priv(host); - ha = vha->hw; - type = "FC_BSG_HST_ELS_NOLOGIN"; - /* Allocate a dummy fcport structure, since functions * preparing the IOCB and mailbox command retrieves port * specific information from fcport structure. For Host based @@ -366,15 +407,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job) char *type = "FC_BSG_HST_CT"; struct srb_ctx *ct; - /* pass through is supported only for ISP 4Gb or higher */ - if (!IS_FWI2_CAPABLE(ha)) { - DEBUG2(qla_printk(KERN_INFO, ha, - "scsi(%ld):Firmware is not capable to support FC " - "CT pass thru\n", vha->host_no)); - rval = -EPERM; - goto done; - } - req_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); @@ -483,6 +515,98 @@ done: return rval; } +/* Set the port configuration to enable the + * internal loopback on ISP81XX + */ +static inline int +qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config, + uint16_t *new_config) +{ + int ret = 0; + int rval = 0; + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA81XX(ha)) + goto done_set_internal; + + new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1); + memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ; + + ha->notify_dcbx_comp = 1; + ret = qla81xx_set_port_config(vha, new_config); + if (ret != QLA_SUCCESS) { + DEBUG2(printk(KERN_ERR + "%s(%lu): Set port config failed\n", + __func__, vha->host_no)); + ha->notify_dcbx_comp = 0; + rval = -EINVAL; + goto done_set_internal; + } + + /* Wait for DCBX complete event */ + if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) { + DEBUG2(qla_printk(KERN_WARNING, ha, + "State change notificaition not received.\n")); + } else + DEBUG2(qla_printk(KERN_INFO, ha, + "State change RECEIVED\n")); + + ha->notify_dcbx_comp = 0; + +done_set_internal: + return rval; +} + +/* Set the port configuration to disable the + * internal loopback on ISP81XX + */ +static inline int +qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config, + int wait) +{ + int ret = 0; + int rval = 0; + uint16_t new_config[4]; + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA81XX(ha)) + goto done_reset_internal; + + memset(new_config, 0 , sizeof(new_config)); + if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 == + ENABLE_INTERNAL_LOOPBACK) { + new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK; + memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ; + + ha->notify_dcbx_comp = wait; + ret = qla81xx_set_port_config(vha, new_config); + if (ret != QLA_SUCCESS) { + DEBUG2(printk(KERN_ERR + "%s(%lu): Set port config failed\n", + __func__, vha->host_no)); + ha->notify_dcbx_comp = 0; + rval = -EINVAL; + goto done_reset_internal; + } + + /* Wait for DCBX complete event */ + if (wait && !wait_for_completion_timeout(&ha->dcbx_comp, + (20 * HZ))) { + DEBUG2(qla_printk(KERN_WARNING, ha, + "State change notificaition not received.\n")); + ha->notify_dcbx_comp = 0; + rval = -EINVAL; + goto done_reset_internal; + } else + DEBUG2(qla_printk(KERN_INFO, ha, + "State change RECEIVED\n")); + + ha->notify_dcbx_comp = 0; + } +done_reset_internal: + return rval; +} + static int qla2x00_process_loopback(struct fc_bsg_job *bsg_job) { @@ -494,6 +618,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) char *type; struct msg_echo_lb elreq; uint16_t response[MAILBOX_REGISTER_COUNT]; + uint16_t config[4], new_config[4]; uint8_t *fw_sts_ptr; uint8_t *req_data = NULL; dma_addr_t req_data_dma; @@ -568,29 +693,102 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; - if (ha->current_topology != ISP_CFG_F) { - type = "FC_BSG_HST_VENDOR_LOOPBACK"; + if ((ha->current_topology == ISP_CFG_F || + (IS_QLA81XX(ha) && + le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE + && req_data_len == MAX_ELS_FRAME_PAYLOAD)) && + elreq.options == EXTERNAL_LOOPBACK) { + type = "FC_BSG_HST_VENDOR_ECHO_DIAG"; DEBUG2(qla_printk(KERN_INFO, ha, - "scsi(%ld) bsg rqst type: %s\n", - vha->host_no, type)); - - command_sent = INT_DEF_LB_LOOPBACK_CMD; - rval = qla2x00_loopback_test(vha, &elreq, response); + "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type)); + command_sent = INT_DEF_LB_ECHO_CMD; + rval = qla2x00_echo_test(vha, &elreq, response); + } else { if (IS_QLA81XX(ha)) { + memset(config, 0, sizeof(config)); + memset(new_config, 0, sizeof(new_config)); + if (qla81xx_get_port_config(vha, config)) { + DEBUG2(printk(KERN_ERR + "%s(%lu): Get port config failed\n", + __func__, vha->host_no)); + bsg_job->reply->reply_payload_rcv_len = 0; + bsg_job->reply->result = (DID_ERROR << 16); + rval = -EPERM; + goto done_free_dma_req; + } + + if (elreq.options != EXTERNAL_LOOPBACK) { + DEBUG2(qla_printk(KERN_INFO, ha, + "Internal: current port config = %x\n", + config[0])); + if (qla81xx_set_internal_loopback(vha, config, + new_config)) { + bsg_job->reply->reply_payload_rcv_len = + 0; + bsg_job->reply->result = + (DID_ERROR << 16); + rval = -EPERM; + goto done_free_dma_req; + } + } else { + /* For external loopback to work + * ensure internal loopback is disabled + */ + if (qla81xx_reset_internal_loopback(vha, + config, 1)) { + bsg_job->reply->reply_payload_rcv_len = + 0; + bsg_job->reply->result = + (DID_ERROR << 16); + rval = -EPERM; + goto done_free_dma_req; + } + } + + type = "FC_BSG_HST_VENDOR_LOOPBACK"; + DEBUG2(qla_printk(KERN_INFO, ha, + "scsi(%ld) bsg rqst type: %s\n", + vha->host_no, type)); + + command_sent = INT_DEF_LB_LOOPBACK_CMD; + rval = qla2x00_loopback_test(vha, &elreq, response); + + if (new_config[1]) { + /* Revert back to original port config + * Also clear internal loopback + */ + qla81xx_reset_internal_loopback(vha, + new_config, 0); + } + if (response[0] == MBS_COMMAND_ERROR && - response[1] == MBS_LB_RESET) { + response[1] == MBS_LB_RESET) { DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing " - "ISP\n", __func__, vha->host_no)); + "ISP\n", __func__, vha->host_no)); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); + qla2x00_wait_for_chip_reset(vha); + /* Also reset the MPI */ + if (qla81xx_restart_mpi_firmware(vha) != + QLA_SUCCESS) { + qla_printk(KERN_INFO, ha, + "MPI reset failed for host%ld.\n", + vha->host_no); + } + + bsg_job->reply->reply_payload_rcv_len = 0; + bsg_job->reply->result = (DID_ERROR << 16); + rval = -EIO; + goto done_free_dma_req; } + } else { + type = "FC_BSG_HST_VENDOR_LOOPBACK"; + DEBUG2(qla_printk(KERN_INFO, ha, + "scsi(%ld) bsg rqst type: %s\n", + vha->host_no, type)); + command_sent = INT_DEF_LB_LOOPBACK_CMD; + rval = qla2x00_loopback_test(vha, &elreq, response); } - } else { - type = "FC_BSG_HST_VENDOR_ECHO_DIAG"; - DEBUG2(qla_printk(KERN_INFO, ha, - "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type)); - command_sent = INT_DEF_LB_ECHO_CMD; - rval = qla2x00_echo_test(vha, &elreq, response); } if (rval) { @@ -1056,6 +1254,20 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job) return -EINVAL; } + if (fcport->loop_id == FC_NO_LOOP_ID) { + DEBUG2(printk(KERN_ERR "%s(%ld): Invalid port loop id, " + "loop_id = 0x%x\n", + __func__, vha->host_no, fcport->loop_id)); + return -EINVAL; + } + + if (fcport->flags & FCF_LOGIN_NEEDED) { + DEBUG2(printk(KERN_ERR "%s(%ld): Remote port not logged in, " + "flags = 0x%x\n", + __func__, vha->host_no, fcport->flags)); + return -EINVAL; + } + if (port_param->mode) rval = qla2x00_set_idma_speed(vha, fcport->loop_id, port_param->speed, mb); |