diff options
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_bsg.c')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_bsg.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c index cf8fdf1d1257..04a0027dbca0 100644 --- a/drivers/scsi/qla4xxx/ql4_bsg.c +++ b/drivers/scsi/qla4xxx/ql4_bsg.c @@ -446,6 +446,363 @@ leave: return rval; } +static void ql4xxx_execute_diag_cmd(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint8_t *rsp_ptr = NULL; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_ERROR; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); + + if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) { + ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n", + __func__); + bsg_reply->result = DID_ERROR << 16; + goto exit_diag_mem_test; + } + + bsg_reply->reply_payload_rcv_len = 0; + memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1], + sizeof(uint32_t) * MBOX_REG_COUNT); + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n", + __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2], + mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6], + mbox_cmd[7])); + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0], + &mbox_sts[0]); + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n", + __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2], + mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6], + mbox_sts[7])); + + if (status == QLA_SUCCESS) + bsg_reply->result = DID_OK << 16; + else + bsg_reply->result = DID_ERROR << 16; + + /* Send mbox_sts to application */ + bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts); + rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply); + memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts)); + +exit_diag_mem_test: + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: bsg_reply->result = x%x, status = %s\n", + __func__, bsg_reply->result, STATUS(status))); + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); +} + +static int qla4_83xx_wait_for_loopback_config_comp(struct scsi_qla_host *ha, + int wait_for_link) +{ + int status = QLA_SUCCESS; + + if (!wait_for_completion_timeout(&ha->idc_comp, (IDC_COMP_TOV * HZ))) { + ql4_printk(KERN_INFO, ha, "%s: IDC Complete notification not received, Waiting for another %d timeout", + __func__, ha->idc_extend_tmo); + if (ha->idc_extend_tmo) { + if (!wait_for_completion_timeout(&ha->idc_comp, + (ha->idc_extend_tmo * HZ))) { + ha->notify_idc_comp = 0; + ha->notify_link_up_comp = 0; + ql4_printk(KERN_WARNING, ha, "%s: IDC Complete notification not received", + __func__); + status = QLA_ERROR; + goto exit_wait; + } else { + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: IDC Complete notification received\n", + __func__)); + } + } + } else { + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: IDC Complete notification received\n", + __func__)); + } + ha->notify_idc_comp = 0; + + if (wait_for_link) { + if (!wait_for_completion_timeout(&ha->link_up_comp, + (IDC_COMP_TOV * HZ))) { + ha->notify_link_up_comp = 0; + ql4_printk(KERN_WARNING, ha, "%s: LINK UP notification not received", + __func__); + status = QLA_ERROR; + goto exit_wait; + } else { + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: LINK UP notification received\n", + __func__)); + } + ha->notify_link_up_comp = 0; + } + +exit_wait: + return status; +} + +static int qla4_83xx_pre_loopback_config(struct scsi_qla_host *ha, + uint32_t *mbox_cmd) +{ + uint32_t config = 0; + int status = QLA_SUCCESS; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); + + status = qla4_83xx_get_port_config(ha, &config); + if (status != QLA_SUCCESS) + goto exit_pre_loopback_config; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Default port config=%08X\n", + __func__, config)); + + if ((config & ENABLE_INTERNAL_LOOPBACK) || + (config & ENABLE_EXTERNAL_LOOPBACK)) { + ql4_printk(KERN_INFO, ha, "%s: Loopback diagnostics already in progress. Invalid requiest\n", + __func__); + goto exit_pre_loopback_config; + } + + if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK) + config |= ENABLE_INTERNAL_LOOPBACK; + + if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK) + config |= ENABLE_EXTERNAL_LOOPBACK; + + config &= ~ENABLE_DCBX; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: New port config=%08X\n", + __func__, config)); + + ha->notify_idc_comp = 1; + ha->notify_link_up_comp = 1; + + /* get the link state */ + qla4xxx_get_firmware_state(ha); + + status = qla4_83xx_set_port_config(ha, &config); + if (status != QLA_SUCCESS) { + ha->notify_idc_comp = 0; + ha->notify_link_up_comp = 0; + goto exit_pre_loopback_config; + } +exit_pre_loopback_config: + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__, + STATUS(status))); + return status; +} + +static int qla4_83xx_post_loopback_config(struct scsi_qla_host *ha, + uint32_t *mbox_cmd) +{ + int status = QLA_SUCCESS; + uint32_t config = 0; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); + + status = qla4_83xx_get_port_config(ha, &config); + if (status != QLA_SUCCESS) + goto exit_post_loopback_config; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: port config=%08X\n", __func__, + config)); + + if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK) + config &= ~ENABLE_INTERNAL_LOOPBACK; + else if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK) + config &= ~ENABLE_EXTERNAL_LOOPBACK; + + config |= ENABLE_DCBX; + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: Restore default port config=%08X\n", __func__, + config)); + + ha->notify_idc_comp = 1; + if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) + ha->notify_link_up_comp = 1; + + status = qla4_83xx_set_port_config(ha, &config); + if (status != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "%s: Scheduling adapter reset\n", + __func__); + set_bit(DPC_RESET_HA, &ha->dpc_flags); + clear_bit(AF_LOOPBACK, &ha->flags); + goto exit_post_loopback_config; + } + +exit_post_loopback_config: + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__, + STATUS(status))); + return status; +} + +static void qla4xxx_execute_diag_loopback_cmd(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint8_t *rsp_ptr = NULL; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int wait_for_link = 1; + int status = QLA_ERROR; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); + + bsg_reply->reply_payload_rcv_len = 0; + + if (test_bit(AF_LOOPBACK, &ha->flags)) { + ql4_printk(KERN_INFO, ha, "%s: Loopback Diagnostics already in progress. Invalid Request\n", + __func__); + bsg_reply->result = DID_ERROR << 16; + goto exit_loopback_cmd; + } + + if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) { + ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n", + __func__); + bsg_reply->result = DID_ERROR << 16; + goto exit_loopback_cmd; + } + + memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1], + sizeof(uint32_t) * MBOX_REG_COUNT); + + if (is_qla8032(ha) || is_qla8042(ha)) { + status = qla4_83xx_pre_loopback_config(ha, mbox_cmd); + if (status != QLA_SUCCESS) { + bsg_reply->result = DID_ERROR << 16; + goto exit_loopback_cmd; + } + + status = qla4_83xx_wait_for_loopback_config_comp(ha, + wait_for_link); + if (status != QLA_SUCCESS) { + bsg_reply->result = DID_TIME_OUT << 16; + goto restore; + } + } + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n", + __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2], + mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6], + mbox_cmd[7])); + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0], + &mbox_sts[0]); + + if (status == QLA_SUCCESS) + bsg_reply->result = DID_OK << 16; + else + bsg_reply->result = DID_ERROR << 16; + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n", + __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2], + mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6], + mbox_sts[7])); + + /* Send mbox_sts to application */ + bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts); + rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply); + memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts)); +restore: + if (is_qla8032(ha) || is_qla8042(ha)) { + status = qla4_83xx_post_loopback_config(ha, mbox_cmd); + if (status != QLA_SUCCESS) { + bsg_reply->result = DID_ERROR << 16; + goto exit_loopback_cmd; + } + + /* for pre_loopback_config() wait for LINK UP only + * if PHY LINK is UP */ + if (!(ha->addl_fw_state & FW_ADDSTATE_LINK_UP)) + wait_for_link = 0; + + status = qla4_83xx_wait_for_loopback_config_comp(ha, + wait_for_link); + if (status != QLA_SUCCESS) { + bsg_reply->result = DID_TIME_OUT << 16; + goto exit_loopback_cmd; + } + } +exit_loopback_cmd: + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: bsg_reply->result = x%x, status = %s\n", + __func__, bsg_reply->result, STATUS(status))); + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); +} + +static int qla4xxx_execute_diag_test(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + uint32_t diag_cmd; + int rval = -EINVAL; + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); + + diag_cmd = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + if (diag_cmd == MBOX_CMD_DIAG_TEST) { + switch (bsg_req->rqst_data.h_vendor.vendor_cmd[2]) { + case QL_DIAG_CMD_TEST_DDR_SIZE: + case QL_DIAG_CMD_TEST_DDR_RW: + case QL_DIAG_CMD_TEST_ONCHIP_MEM_RW: + case QL_DIAG_CMD_TEST_NVRAM: + case QL_DIAG_CMD_TEST_FLASH_ROM: + case QL_DIAG_CMD_TEST_DMA_XFER: + case QL_DIAG_CMD_SELF_DDR_RW: + case QL_DIAG_CMD_SELF_ONCHIP_MEM_RW: + /* Execute diag test for adapter RAM/FLASH */ + ql4xxx_execute_diag_cmd(bsg_job); + /* Always return success as we want to sent bsg_reply + * to Application */ + rval = QLA_SUCCESS; + break; + + case QL_DIAG_CMD_TEST_INT_LOOPBACK: + case QL_DIAG_CMD_TEST_EXT_LOOPBACK: + /* Execute diag test for Network */ + qla4xxx_execute_diag_loopback_cmd(bsg_job); + /* Always return success as we want to sent bsg_reply + * to Application */ + rval = QLA_SUCCESS; + break; + default: + ql4_printk(KERN_ERR, ha, "%s: Invalid diag test: 0x%x\n", + __func__, + bsg_req->rqst_data.h_vendor.vendor_cmd[2]); + } + } else if ((diag_cmd == MBOX_CMD_SET_LED_CONFIG) || + (diag_cmd == MBOX_CMD_GET_LED_CONFIG)) { + ql4xxx_execute_diag_cmd(bsg_job); + rval = QLA_SUCCESS; + } else { + ql4_printk(KERN_ERR, ha, "%s: Invalid diag cmd: 0x%x\n", + __func__, diag_cmd); + } + + return rval; +} + /** * qla4xxx_process_vendor_specific - handle vendor specific bsg request * @job: iscsi_bsg_job to handle @@ -479,6 +836,9 @@ int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job) case QLISCSI_VND_GET_ACB: return qla4xxx_bsg_get_acb(bsg_job); + case QLISCSI_VND_DIAG_TEST: + return qla4xxx_execute_diag_test(bsg_job); + default: ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: " "0x%x\n", __func__, bsg_req->msgcode); |