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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/scsi/qla2xxx/qla_bsg.c
Initial import
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c2279
1 files changed, 2279 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
new file mode 100644
index 000000000..2e2bb6f45
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -0,0 +1,2279 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2014 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+
+#include <linux/kthread.h>
+#include <linux/vmalloc.h>
+#include <linux/delay.h>
+
+/* BSG support for ELS/CT pass through */
+void
+qla2x00_bsg_job_done(void *data, void *ptr, int res)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
+
+ bsg_job->reply->result = res;
+ bsg_job->job_done(bsg_job);
+ sp->free(vha, sp);
+}
+
+void
+qla2x00_bsg_sp_free(void *data, void *ptr)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct scsi_qla_host *vha = sp->fcport->vha;
+ struct fc_bsg_job *bsg_job = sp->u.bsg_job;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
+
+ if (sp->type == SRB_FXIOCB_BCMD) {
+ piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
+ &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+ if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ } else {
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ }
+
+ if (sp->type == SRB_CT_CMD ||
+ sp->type == SRB_FXIOCB_BCMD ||
+ sp->type == SRB_ELS_CMD_HST)
+ kfree(sp->fcport);
+ qla2x00_rel_sp(vha, sp);
+}
+
+int
+qla24xx_fcp_prio_cfg_valid(scsi_qla_host_t *vha,
+ 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_val == 0xFFFFFFFF) {
+ /* No FCP Priority config data in flash */
+ ql_dbg(ql_dbg_user, vha, 0x7051,
+ "No FCP Priority config data.\n");
+ return 0;
+ }
+
+ if (bcode[0] != 'H' || bcode[1] != 'Q' || bcode[2] != 'O' ||
+ bcode[3] != 'S') {
+ /* Invalid FCP priority data header*/
+ ql_dbg(ql_dbg_user, vha, 0x7052,
+ "Invalid FCP Priority data header. bcode=0x%x.\n",
+ bcode_val);
+ return 0;
+ }
+ if (flag != 1)
+ return ret;
+
+ pri_entry = &pri_cfg->entry[0];
+ for (i = 0; i < pri_cfg->num_entries; i++) {
+ if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
+ num_valid++;
+ pri_entry++;
+ }
+
+ if (num_valid == 0) {
+ /* No valid FCP priority data entries */
+ ql_dbg(ql_dbg_user, vha, 0x7053,
+ "No valid FCP Priority data entries.\n");
+ ret = 0;
+ } else {
+ /* FCP priority data is valid */
+ ql_dbg(ql_dbg_user, vha, 0x7054,
+ "Valid FCP priority data. num entries = %d.\n",
+ num_valid);
+ }
+
+ return ret;
+}
+
+static int
+qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int ret = 0;
+ uint32_t len;
+ uint32_t oper;
+
+ if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_P3P_TYPE(ha))) {
+ ret = -EINVAL;
+ goto exit_fcp_prio_cfg;
+ }
+
+ /* Get the sub command */
+ oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ /* Only set config is allowed if config memory is not allocated */
+ if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
+ ret = -EINVAL;
+ goto exit_fcp_prio_cfg;
+ }
+ switch (oper) {
+ case QLFC_FCP_PRIO_DISABLE:
+ if (ha->flags.fcp_prio_enabled) {
+ ha->flags.fcp_prio_enabled = 0;
+ ha->fcp_prio_cfg->attributes &=
+ ~FCP_PRIO_ATTR_ENABLE;
+ qla24xx_update_all_fcp_prio(vha);
+ bsg_job->reply->result = DID_OK;
+ } else {
+ ret = -EINVAL;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ goto exit_fcp_prio_cfg;
+ }
+ break;
+
+ case QLFC_FCP_PRIO_ENABLE:
+ if (!ha->flags.fcp_prio_enabled) {
+ if (ha->fcp_prio_cfg) {
+ ha->flags.fcp_prio_enabled = 1;
+ ha->fcp_prio_cfg->attributes |=
+ FCP_PRIO_ATTR_ENABLE;
+ qla24xx_update_all_fcp_prio(vha);
+ bsg_job->reply->result = DID_OK;
+ } else {
+ ret = -EINVAL;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ goto exit_fcp_prio_cfg;
+ }
+ }
+ break;
+
+ case QLFC_FCP_PRIO_GET_CONFIG:
+ len = bsg_job->reply_payload.payload_len;
+ if (!len || len > FCP_PRIO_CFG_SIZE) {
+ ret = -EINVAL;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ goto exit_fcp_prio_cfg;
+ }
+
+ bsg_job->reply->result = DID_OK;
+ bsg_job->reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
+ len);
+
+ break;
+
+ case QLFC_FCP_PRIO_SET_CONFIG:
+ len = bsg_job->request_payload.payload_len;
+ if (!len || len > FCP_PRIO_CFG_SIZE) {
+ bsg_job->reply->result = (DID_ERROR << 16);
+ ret = -EINVAL;
+ goto exit_fcp_prio_cfg;
+ }
+
+ if (!ha->fcp_prio_cfg) {
+ ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
+ if (!ha->fcp_prio_cfg) {
+ ql_log(ql_log_warn, vha, 0x7050,
+ "Unable to allocate memory for fcp prio "
+ "config data (%x).\n", FCP_PRIO_CFG_SIZE);
+ bsg_job->reply->result = (DID_ERROR << 16);
+ ret = -ENOMEM;
+ goto exit_fcp_prio_cfg;
+ }
+ }
+
+ memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
+ FCP_PRIO_CFG_SIZE);
+
+ /* validate fcp priority data */
+
+ if (!qla24xx_fcp_prio_cfg_valid(vha,
+ (struct qla_fcp_prio_cfg *) ha->fcp_prio_cfg, 1)) {
+ bsg_job->reply->result = (DID_ERROR << 16);
+ ret = -EINVAL;
+ /* If buffer was invalidatic int
+ * fcp_prio_cfg is of no use
+ */
+ vfree(ha->fcp_prio_cfg);
+ ha->fcp_prio_cfg = NULL;
+ goto exit_fcp_prio_cfg;
+ }
+
+ ha->flags.fcp_prio_enabled = 0;
+ if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
+ ha->flags.fcp_prio_enabled = 1;
+ qla24xx_update_all_fcp_prio(vha);
+ bsg_job->reply->result = DID_OK;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+exit_fcp_prio_cfg:
+ if (!ret)
+ bsg_job->job_done(bsg_job);
+ return ret;
+}
+
+static int
+qla2x00_process_els(struct fc_bsg_job *bsg_job)
+{
+ struct fc_rport *rport;
+ fc_port_t *fcport = NULL;
+ struct Scsi_Host *host;
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ srb_t *sp;
+ const char *type;
+ int req_sg_cnt, rsp_sg_cnt;
+ int rval = (DRIVER_ERROR << 16);
+ uint16_t nextlid = 0;
+
+ 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";
+ }
+
+ if (!vha->flags.online) {
+ ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n");
+ rval = -EIO;
+ goto done;
+ }
+
+ /* pass through is supported only for ISP 4Gb or higher */
+ if (!IS_FWI2_CAPABLE(ha)) {
+ ql_dbg(ql_dbg_user, vha, 0x7001,
+ "ELS passthru not supported for ISP23xx based adapters.\n");
+ 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) {
+ ql_dbg(ql_dbg_user, vha, 0x7002,
+ "Multiple SG's are not suppored for ELS requests, "
+ "request_sg_cnt=%x reply_sg_cnt=%x.\n",
+ bsg_job->request_payload.sg_cnt,
+ bsg_job->reply_payload.sg_cnt);
+ rval = -EPERM;
+ goto done;
+ }
+
+ /* ELS request for rport */
+ if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
+ /* make sure the rport is logged in,
+ * if not perform fabric login
+ */
+ if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
+ ql_dbg(ql_dbg_user, vha, 0x7003,
+ "Failed to login port %06X for ELS passthru.\n",
+ fcport->d_id.b24);
+ rval = -EIO;
+ goto done;
+ }
+ } else {
+ /* Allocate a dummy fcport structure, since functions
+ * preparing the IOCB and mailbox command retrieves port
+ * specific information from fcport structure. For Host based
+ * ELS commands there will be no fcport structure allocated
+ */
+ fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (!fcport) {
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ /* Initialize all required fields of fcport */
+ fcport->vha = vha;
+ fcport->d_id.b.al_pa =
+ bsg_job->request->rqst_data.h_els.port_id[0];
+ fcport->d_id.b.area =
+ bsg_job->request->rqst_data.h_els.port_id[1];
+ fcport->d_id.b.domain =
+ bsg_job->request->rqst_data.h_els.port_id[2];
+ fcport->loop_id =
+ (fcport->d_id.b.al_pa == 0xFD) ?
+ NPH_FABRIC_CONTROLLER : NPH_F_PORT;
+ }
+
+ req_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!req_sg_cnt) {
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!rsp_sg_cnt) {
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
+ ql_log(ql_log_warn, vha, 0x7008,
+ "dma mapping resulted in different sg counts, "
+ "request_sg_cnt: %x dma_request_sg_cnt:%x reply_sg_cnt:%x "
+ "dma_reply_sg_cnt:%x.\n", bsg_job->request_payload.sg_cnt,
+ req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp) {
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ sp->type =
+ (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
+ SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
+ sp->name =
+ (bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
+ "bsg_els_rpt" : "bsg_els_hst");
+ sp->u.bsg_job = bsg_job;
+ sp->free = qla2x00_bsg_sp_free;
+ sp->done = qla2x00_bsg_job_done;
+
+ ql_dbg(ql_dbg_user, vha, 0x700a,
+ "bsg rqst type: %s els type: %x - loop-id=%x "
+ "portid=%-2x%02x%02x.\n", type,
+ bsg_job->request->rqst_data.h_els.command_code, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x700e,
+ "qla2x00_start_sp failed = %d\n", rval);
+ qla2x00_rel_sp(vha, sp);
+ rval = -EIO;
+ goto done_unmap_sg;
+ }
+ return rval;
+
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ goto done_free_fcport;
+
+done_free_fcport:
+ if (bsg_job->request->msgcode == FC_BSG_RPT_ELS)
+ kfree(fcport);
+done:
+ return rval;
+}
+
+inline uint16_t
+qla24xx_calc_ct_iocbs(uint16_t dsds)
+{
+ uint16_t iocbs;
+
+ iocbs = 1;
+ if (dsds > 2) {
+ iocbs += (dsds - 2) / 5;
+ if ((dsds - 2) % 5)
+ iocbs++;
+ }
+ return iocbs;
+}
+
+static int
+qla2x00_process_ct(struct fc_bsg_job *bsg_job)
+{
+ srb_t *sp;
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = (DRIVER_ERROR << 16);
+ int req_sg_cnt, rsp_sg_cnt;
+ uint16_t loop_id;
+ struct fc_port *fcport;
+ char *type = "FC_BSG_HST_CT";
+
+ req_sg_cnt =
+ dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!req_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x700f,
+ "dma_map_sg return %d for request\n", req_sg_cnt);
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!rsp_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x7010,
+ "dma_map_sg return %d for reply\n", rsp_sg_cnt);
+ rval = -ENOMEM;
+ goto done;
+ }
+
+ if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
+ ql_log(ql_log_warn, vha, 0x7011,
+ "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
+ "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
+ req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ if (!vha->flags.online) {
+ ql_log(ql_log_warn, vha, 0x7012,
+ "Host is not online.\n");
+ rval = -EIO;
+ goto done_unmap_sg;
+ }
+
+ loop_id =
+ (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
+ >> 24;
+ switch (loop_id) {
+ case 0xFC:
+ loop_id = cpu_to_le16(NPH_SNS);
+ break;
+ case 0xFA:
+ loop_id = vha->mgmt_svr_loop_id;
+ break;
+ default:
+ ql_dbg(ql_dbg_user, vha, 0x7013,
+ "Unknown loop id: %x.\n", loop_id);
+ rval = -EINVAL;
+ goto done_unmap_sg;
+ }
+
+ /* Allocate a dummy fcport structure, since functions preparing the
+ * IOCB and mailbox command retrieves port specific information
+ * from fcport structure. For Host based ELS commands there will be
+ * no fcport structure allocated
+ */
+ fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (!fcport) {
+ ql_log(ql_log_warn, vha, 0x7014,
+ "Failed to allocate fcport.\n");
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ /* Initialize all required fields of fcport */
+ fcport->vha = vha;
+ fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
+ fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
+ fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
+ fcport->loop_id = loop_id;
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp) {
+ ql_log(ql_log_warn, vha, 0x7015,
+ "qla2x00_get_sp failed.\n");
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ sp->type = SRB_CT_CMD;
+ sp->name = "bsg_ct";
+ sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
+ sp->u.bsg_job = bsg_job;
+ sp->free = qla2x00_bsg_sp_free;
+ sp->done = qla2x00_bsg_job_done;
+
+ ql_dbg(ql_dbg_user, vha, 0x7016,
+ "bsg rqst type: %s else type: %x - "
+ "loop-id=%x portid=%02x%02x%02x.\n", type,
+ (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
+ fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x7017,
+ "qla2x00_start_sp failed=%d.\n", rval);
+ qla2x00_rel_sp(vha, sp);
+ rval = -EIO;
+ goto done_free_fcport;
+ }
+ return rval;
+
+done_free_fcport:
+ kfree(fcport);
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done:
+ return rval;
+}
+
+/* Disable loopback mode */
+static inline int
+qla81xx_reset_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
+ int wait, int wait2)
+{
+ int ret = 0;
+ int rval = 0;
+ uint16_t new_config[4];
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
+ goto done_reset_internal;
+
+ memset(new_config, 0 , sizeof(new_config));
+ if ((config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
+ ENABLE_INTERNAL_LOOPBACK ||
+ (config[0] & INTERNAL_LOOPBACK_MASK) >> 1 ==
+ ENABLE_EXTERNAL_LOOPBACK) {
+ new_config[0] = config[0] & ~INTERNAL_LOOPBACK_MASK;
+ ql_dbg(ql_dbg_user, vha, 0x70bf, "new_config[0]=%02x\n",
+ (new_config[0] & INTERNAL_LOOPBACK_MASK));
+ memcpy(&new_config[1], &config[1], sizeof(uint16_t) * 3) ;
+
+ ha->notify_dcbx_comp = wait;
+ ha->notify_lb_portup_comp = wait2;
+
+ ret = qla81xx_set_port_config(vha, new_config);
+ if (ret != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x7025,
+ "Set port config failed.\n");
+ ha->notify_dcbx_comp = 0;
+ ha->notify_lb_portup_comp = 0;
+ rval = -EINVAL;
+ goto done_reset_internal;
+ }
+
+ /* Wait for DCBX complete event */
+ if (wait && !wait_for_completion_timeout(&ha->dcbx_comp,
+ (DCBX_COMP_TIMEOUT * HZ))) {
+ ql_dbg(ql_dbg_user, vha, 0x7026,
+ "DCBX completion not received.\n");
+ ha->notify_dcbx_comp = 0;
+ ha->notify_lb_portup_comp = 0;
+ rval = -EINVAL;
+ goto done_reset_internal;
+ } else
+ ql_dbg(ql_dbg_user, vha, 0x7027,
+ "DCBX completion received.\n");
+
+ if (wait2 &&
+ !wait_for_completion_timeout(&ha->lb_portup_comp,
+ (LB_PORTUP_COMP_TIMEOUT * HZ))) {
+ ql_dbg(ql_dbg_user, vha, 0x70c5,
+ "Port up completion not received.\n");
+ ha->notify_lb_portup_comp = 0;
+ rval = -EINVAL;
+ goto done_reset_internal;
+ } else
+ ql_dbg(ql_dbg_user, vha, 0x70c6,
+ "Port up completion received.\n");
+
+ ha->notify_dcbx_comp = 0;
+ ha->notify_lb_portup_comp = 0;
+ }
+done_reset_internal:
+ return rval;
+}
+
+/*
+ * Set the port configuration to enable the internal or external loopback
+ * depending on the loopback mode.
+ */
+static inline int
+qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
+ uint16_t *new_config, uint16_t mode)
+{
+ int ret = 0;
+ int rval = 0;
+ unsigned long rem_tmo = 0, current_tmo = 0;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha))
+ goto done_set_internal;
+
+ if (mode == INTERNAL_LOOPBACK)
+ new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
+ else if (mode == EXTERNAL_LOOPBACK)
+ new_config[0] = config[0] | (ENABLE_EXTERNAL_LOOPBACK << 1);
+ ql_dbg(ql_dbg_user, vha, 0x70be,
+ "new_config[0]=%02x\n", (new_config[0] & INTERNAL_LOOPBACK_MASK));
+
+ 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) {
+ ql_log(ql_log_warn, vha, 0x7021,
+ "set port config failed.\n");
+ ha->notify_dcbx_comp = 0;
+ rval = -EINVAL;
+ goto done_set_internal;
+ }
+
+ /* Wait for DCBX complete event */
+ current_tmo = DCBX_COMP_TIMEOUT * HZ;
+ while (1) {
+ rem_tmo = wait_for_completion_timeout(&ha->dcbx_comp,
+ current_tmo);
+ if (!ha->idc_extend_tmo || rem_tmo) {
+ ha->idc_extend_tmo = 0;
+ break;
+ }
+ current_tmo = ha->idc_extend_tmo * HZ;
+ ha->idc_extend_tmo = 0;
+ }
+
+ if (!rem_tmo) {
+ ql_dbg(ql_dbg_user, vha, 0x7022,
+ "DCBX completion not received.\n");
+ ret = qla81xx_reset_loopback_mode(vha, new_config, 0, 0);
+ /*
+ * If the reset of the loopback mode doesn't work take a FCoE
+ * dump and reset the chip.
+ */
+ if (ret) {
+ ha->isp_ops->fw_dump(vha, 0);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ }
+ rval = -EINVAL;
+ } else {
+ if (ha->flags.idc_compl_status) {
+ ql_dbg(ql_dbg_user, vha, 0x70c3,
+ "Bad status in IDC Completion AEN\n");
+ rval = -EINVAL;
+ ha->flags.idc_compl_status = 0;
+ } else
+ ql_dbg(ql_dbg_user, vha, 0x7023,
+ "DCBX completion received.\n");
+ }
+
+ ha->notify_dcbx_comp = 0;
+ ha->idc_extend_tmo = 0;
+
+done_set_internal:
+ return rval;
+}
+
+static int
+qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval;
+ uint8_t command_sent;
+ 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;
+ uint32_t req_data_len;
+ uint8_t *rsp_data = NULL;
+ dma_addr_t rsp_data_dma;
+ uint32_t rsp_data_len;
+
+ if (!vha->flags.online) {
+ ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n");
+ return -EIO;
+ }
+
+ elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
+ DMA_TO_DEVICE);
+
+ if (!elreq.req_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x701a,
+ "dma_map_sg returned %d for request.\n", elreq.req_sg_cnt);
+ return -ENOMEM;
+ }
+
+ elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
+ DMA_FROM_DEVICE);
+
+ if (!elreq.rsp_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x701b,
+ "dma_map_sg returned %d for reply.\n", elreq.rsp_sg_cnt);
+ rval = -ENOMEM;
+ goto done_unmap_req_sg;
+ }
+
+ if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
+ ql_log(ql_log_warn, vha, 0x701c,
+ "dma mapping resulted in different sg counts, "
+ "request_sg_cnt: %x dma_request_sg_cnt: %x "
+ "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
+ bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
+ bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+ req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
+ req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
+ &req_data_dma, GFP_KERNEL);
+ if (!req_data) {
+ ql_log(ql_log_warn, vha, 0x701d,
+ "dma alloc failed for req_data.\n");
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
+ &rsp_data_dma, GFP_KERNEL);
+ if (!rsp_data) {
+ ql_log(ql_log_warn, vha, 0x7004,
+ "dma alloc failed for rsp_data.\n");
+ rval = -ENOMEM;
+ goto done_free_dma_req;
+ }
+
+ /* Copy the request buffer in req_data now */
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, req_data, req_data_len);
+
+ elreq.send_dma = req_data_dma;
+ elreq.rcv_dma = rsp_data_dma;
+ elreq.transfer_size = req_data_len;
+
+ elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+ elreq.iteration_count =
+ bsg_job->request->rqst_data.h_vendor.vendor_cmd[2];
+
+ if (atomic_read(&vha->loop_state) == LOOP_READY &&
+ (ha->current_topology == ISP_CFG_F ||
+ ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(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";
+ ql_dbg(ql_dbg_user, vha, 0x701e,
+ "BSG request type: %s.\n", type);
+ command_sent = INT_DEF_LB_ECHO_CMD;
+ rval = qla2x00_echo_test(vha, &elreq, response);
+ } else {
+ if (IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) {
+ memset(config, 0, sizeof(config));
+ memset(new_config, 0, sizeof(new_config));
+
+ if (qla81xx_get_port_config(vha, config)) {
+ ql_log(ql_log_warn, vha, 0x701f,
+ "Get port config failed.\n");
+ rval = -EPERM;
+ goto done_free_dma_rsp;
+ }
+
+ if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {
+ ql_dbg(ql_dbg_user, vha, 0x70c4,
+ "Loopback operation already in "
+ "progress.\n");
+ rval = -EAGAIN;
+ goto done_free_dma_rsp;
+ }
+
+ ql_dbg(ql_dbg_user, vha, 0x70c0,
+ "elreq.options=%04x\n", elreq.options);
+
+ if (elreq.options == EXTERNAL_LOOPBACK)
+ if (IS_QLA8031(ha) || IS_QLA8044(ha))
+ rval = qla81xx_set_loopback_mode(vha,
+ config, new_config, elreq.options);
+ else
+ rval = qla81xx_reset_loopback_mode(vha,
+ config, 1, 0);
+ else
+ rval = qla81xx_set_loopback_mode(vha, config,
+ new_config, elreq.options);
+
+ if (rval) {
+ rval = -EPERM;
+ goto done_free_dma_rsp;
+ }
+
+ type = "FC_BSG_HST_VENDOR_LOOPBACK";
+ ql_dbg(ql_dbg_user, vha, 0x7028,
+ "BSG request type: %s.\n", type);
+
+ command_sent = INT_DEF_LB_LOOPBACK_CMD;
+ rval = qla2x00_loopback_test(vha, &elreq, response);
+
+ if (response[0] == MBS_COMMAND_ERROR &&
+ response[1] == MBS_LB_RESET) {
+ ql_log(ql_log_warn, vha, 0x7029,
+ "MBX command error, Aborting ISP.\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_chip_reset(vha);
+ /* Also reset the MPI */
+ if (IS_QLA81XX(ha)) {
+ if (qla81xx_restart_mpi_firmware(vha) !=
+ QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x702a,
+ "MPI reset failed.\n");
+ }
+ }
+
+ rval = -EIO;
+ goto done_free_dma_rsp;
+ }
+
+ if (new_config[0]) {
+ int ret;
+
+ /* Revert back to original port config
+ * Also clear internal loopback
+ */
+ ret = qla81xx_reset_loopback_mode(vha,
+ new_config, 0, 1);
+ if (ret) {
+ /*
+ * If the reset of the loopback mode
+ * doesn't work take FCoE dump and then
+ * reset the chip.
+ */
+ ha->isp_ops->fw_dump(vha, 0);
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ }
+
+ }
+
+ } else {
+ type = "FC_BSG_HST_VENDOR_LOOPBACK";
+ ql_dbg(ql_dbg_user, vha, 0x702b,
+ "BSG request type: %s.\n", type);
+ command_sent = INT_DEF_LB_LOOPBACK_CMD;
+ rval = qla2x00_loopback_test(vha, &elreq, response);
+ }
+ }
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x702c,
+ "Vendor request %s failed.\n", type);
+
+ rval = 0;
+ bsg_job->reply->result = (DID_ERROR << 16);
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ } else {
+ ql_dbg(ql_dbg_user, vha, 0x702d,
+ "Vendor request %s completed.\n", type);
+ bsg_job->reply->result = (DID_OK << 16);
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, rsp_data,
+ rsp_data_len);
+ }
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
+ sizeof(response) + sizeof(uint8_t);
+ fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
+ sizeof(struct fc_bsg_reply);
+ memcpy(fw_sts_ptr, response, sizeof(response));
+ fw_sts_ptr += sizeof(response);
+ *fw_sts_ptr = command_sent;
+
+done_free_dma_rsp:
+ dma_free_coherent(&ha->pdev->dev, rsp_data_len,
+ rsp_data, rsp_data_dma);
+done_free_dma_req:
+ dma_free_coherent(&ha->pdev->dev, req_data_len,
+ req_data, req_data_dma);
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done_unmap_req_sg:
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!rval)
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla84xx_reset(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint32_t flag;
+
+ if (!IS_QLA84XX(ha)) {
+ ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n");
+ return -EINVAL;
+ }
+
+ flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x7030,
+ "Vendor request 84xx reset failed.\n");
+ rval = (DID_ERROR << 16);
+
+ } else {
+ ql_dbg(ql_dbg_user, vha, 0x7031,
+ "Vendor request 84xx reset completed.\n");
+ bsg_job->reply->result = DID_OK;
+ bsg_job->job_done(bsg_job);
+ }
+
+ return rval;
+}
+
+static int
+qla84xx_updatefw(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ struct verify_chip_entry_84xx *mn = NULL;
+ dma_addr_t mn_dma, fw_dma;
+ void *fw_buf = NULL;
+ int rval = 0;
+ uint32_t sg_cnt;
+ uint32_t data_len;
+ uint16_t options;
+ uint32_t flag;
+ uint32_t fw_ver;
+
+ if (!IS_QLA84XX(ha)) {
+ ql_dbg(ql_dbg_user, vha, 0x7032,
+ "Not 84xx, exiting.\n");
+ return -EINVAL;
+ }
+
+ sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x7033,
+ "dma_map_sg returned %d for request.\n", sg_cnt);
+ return -ENOMEM;
+ }
+
+ if (sg_cnt != bsg_job->request_payload.sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x7034,
+ "DMA mapping resulted in different sg counts, "
+ "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
+ bsg_job->request_payload.sg_cnt, sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ data_len = bsg_job->request_payload.payload_len;
+ fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len,
+ &fw_dma, GFP_KERNEL);
+ if (!fw_buf) {
+ ql_log(ql_log_warn, vha, 0x7035,
+ "DMA alloc failed for fw_buf.\n");
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, fw_buf, data_len);
+
+ mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
+ if (!mn) {
+ ql_log(ql_log_warn, vha, 0x7036,
+ "DMA alloc failed for fw buffer.\n");
+ rval = -ENOMEM;
+ goto done_free_fw_buf;
+ }
+
+ flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+ fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2)));
+
+ memset(mn, 0, sizeof(struct access_chip_84xx));
+ mn->entry_type = VERIFY_CHIP_IOCB_TYPE;
+ mn->entry_count = 1;
+
+ options = VCO_FORCE_UPDATE | VCO_END_OF_DATA;
+ if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD)
+ options |= VCO_DIAG_FW;
+
+ mn->options = cpu_to_le16(options);
+ mn->fw_ver = cpu_to_le32(fw_ver);
+ mn->fw_size = cpu_to_le32(data_len);
+ mn->fw_seq_size = cpu_to_le32(data_len);
+ mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma));
+ mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma));
+ mn->dseg_length = cpu_to_le32(data_len);
+ mn->data_seg_cnt = cpu_to_le16(1);
+
+ rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x7037,
+ "Vendor request 84xx updatefw failed.\n");
+
+ rval = (DID_ERROR << 16);
+ } else {
+ ql_dbg(ql_dbg_user, vha, 0x7038,
+ "Vendor request 84xx updatefw completed.\n");
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK;
+ }
+
+ dma_pool_free(ha->s_dma_pool, mn, mn_dma);
+
+done_free_fw_buf:
+ dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma);
+
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+ if (!rval)
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ struct access_chip_84xx *mn = NULL;
+ dma_addr_t mn_dma, mgmt_dma;
+ void *mgmt_b = NULL;
+ int rval = 0;
+ struct qla_bsg_a84_mgmt *ql84_mgmt;
+ uint32_t sg_cnt;
+ uint32_t data_len = 0;
+ uint32_t dma_direction = DMA_NONE;
+
+ if (!IS_QLA84XX(ha)) {
+ ql_log(ql_log_warn, vha, 0x703a,
+ "Not 84xx, exiting.\n");
+ return -EINVAL;
+ }
+
+ mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
+ if (!mn) {
+ ql_log(ql_log_warn, vha, 0x703c,
+ "DMA alloc failed for fw buffer.\n");
+ return -ENOMEM;
+ }
+
+ memset(mn, 0, sizeof(struct access_chip_84xx));
+ mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
+ mn->entry_count = 1;
+ ql84_mgmt = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
+ switch (ql84_mgmt->mgmt.cmd) {
+ case QLA84_MGMT_READ_MEM:
+ case QLA84_MGMT_GET_INFO:
+ sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x703d,
+ "dma_map_sg returned %d for reply.\n", sg_cnt);
+ rval = -ENOMEM;
+ goto exit_mgmt;
+ }
+
+ dma_direction = DMA_FROM_DEVICE;
+
+ if (sg_cnt != bsg_job->reply_payload.sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x703e,
+ "DMA mapping resulted in different sg counts, "
+ "reply_sg_cnt: %x dma_reply_sg_cnt: %x.\n",
+ bsg_job->reply_payload.sg_cnt, sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ data_len = bsg_job->reply_payload.payload_len;
+
+ mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
+ &mgmt_dma, GFP_KERNEL);
+ if (!mgmt_b) {
+ ql_log(ql_log_warn, vha, 0x703f,
+ "DMA alloc failed for mgmt_b.\n");
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) {
+ mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
+ mn->parameter1 =
+ cpu_to_le32(
+ ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
+
+ } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) {
+ mn->options = cpu_to_le16(ACO_REQUEST_INFO);
+ mn->parameter1 =
+ cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type);
+
+ mn->parameter2 =
+ cpu_to_le32(
+ ql84_mgmt->mgmt.mgmtp.u.info.context);
+ }
+ break;
+
+ case QLA84_MGMT_WRITE_MEM:
+ sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+ if (!sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x7040,
+ "dma_map_sg returned %d.\n", sg_cnt);
+ rval = -ENOMEM;
+ goto exit_mgmt;
+ }
+
+ dma_direction = DMA_TO_DEVICE;
+
+ if (sg_cnt != bsg_job->request_payload.sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x7041,
+ "DMA mapping resulted in different sg counts, "
+ "request_sg_cnt: %x dma_request_sg_cnt: %x.\n",
+ bsg_job->request_payload.sg_cnt, sg_cnt);
+ rval = -EAGAIN;
+ goto done_unmap_sg;
+ }
+
+ data_len = bsg_job->request_payload.payload_len;
+ mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len,
+ &mgmt_dma, GFP_KERNEL);
+ if (!mgmt_b) {
+ ql_log(ql_log_warn, vha, 0x7042,
+ "DMA alloc failed for mgmt_b.\n");
+ rval = -ENOMEM;
+ goto done_unmap_sg;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, mgmt_b, data_len);
+
+ mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
+ mn->parameter1 =
+ cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr);
+ break;
+
+ case QLA84_MGMT_CHNG_CONFIG:
+ mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
+ mn->parameter1 =
+ cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id);
+
+ mn->parameter2 =
+ cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0);
+
+ mn->parameter3 =
+ cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1);
+ break;
+
+ default:
+ rval = -EIO;
+ goto exit_mgmt;
+ }
+
+ if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) {
+ mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len);
+ mn->dseg_count = cpu_to_le16(1);
+ mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
+ mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
+ mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len);
+ }
+
+ rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x7043,
+ "Vendor request 84xx mgmt failed.\n");
+
+ rval = (DID_ERROR << 16);
+
+ } else {
+ ql_dbg(ql_dbg_user, vha, 0x7044,
+ "Vendor request 84xx mgmt completed.\n");
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK;
+
+ if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) ||
+ (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) {
+ bsg_job->reply->reply_payload_rcv_len =
+ bsg_job->reply_payload.payload_len;
+
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, mgmt_b,
+ data_len);
+ }
+ }
+
+done_unmap_sg:
+ if (mgmt_b)
+ dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma);
+
+ if (dma_direction == DMA_TO_DEVICE)
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ else if (dma_direction == DMA_FROM_DEVICE)
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+exit_mgmt:
+ dma_pool_free(ha->s_dma_pool, mn, mn_dma);
+
+ if (!rval)
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla24xx_iidma(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ int rval = 0;
+ struct qla_port_param *port_param = NULL;
+ fc_port_t *fcport = NULL;
+ int found = 0;
+ uint16_t mb[MAILBOX_REGISTER_COUNT];
+ uint8_t *rsp_ptr = NULL;
+
+ if (!IS_IIDMA_CAPABLE(vha->hw)) {
+ ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n");
+ return -EINVAL;
+ }
+
+ port_param = (void *)bsg_job->request + sizeof(struct fc_bsg_request);
+ if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) {
+ ql_log(ql_log_warn, vha, 0x7048,
+ "Invalid destination type.\n");
+ return -EINVAL;
+ }
+
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->port_type != FCT_TARGET)
+ continue;
+
+ if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn,
+ fcport->port_name, sizeof(fcport->port_name)))
+ continue;
+
+ found = 1;
+ break;
+ }
+
+ if (!found) {
+ ql_log(ql_log_warn, vha, 0x7049,
+ "Failed to find port.\n");
+ return -EINVAL;
+ }
+
+ if (atomic_read(&fcport->state) != FCS_ONLINE) {
+ ql_log(ql_log_warn, vha, 0x704a,
+ "Port is not online.\n");
+ return -EINVAL;
+ }
+
+ if (fcport->flags & FCF_LOGIN_NEEDED) {
+ ql_log(ql_log_warn, vha, 0x704b,
+ "Remote port not logged in flags = 0x%x.\n", fcport->flags);
+ return -EINVAL;
+ }
+
+ if (port_param->mode)
+ rval = qla2x00_set_idma_speed(vha, fcport->loop_id,
+ port_param->speed, mb);
+ else
+ rval = qla2x00_get_idma_speed(vha, fcport->loop_id,
+ &port_param->speed, mb);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x704c,
+ "iIDMA cmd failed for %8phN -- "
+ "%04x %x %04x %04x.\n", fcport->port_name,
+ rval, fcport->fp_speed, mb[0], mb[1]);
+ rval = (DID_ERROR << 16);
+ } else {
+ if (!port_param->mode) {
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
+ sizeof(struct qla_port_param);
+
+ rsp_ptr = ((uint8_t *)bsg_job->reply) +
+ sizeof(struct fc_bsg_reply);
+
+ memcpy(rsp_ptr, port_param,
+ sizeof(struct qla_port_param));
+ }
+
+ bsg_job->reply->result = DID_OK;
+ bsg_job->job_done(bsg_job);
+ }
+
+ return rval;
+}
+
+static int
+qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha,
+ uint8_t is_update)
+{
+ uint32_t start = 0;
+ int valid = 0;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return -EINVAL;
+
+ start = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+ if (start > ha->optrom_size) {
+ ql_log(ql_log_warn, vha, 0x7055,
+ "start %d > optrom_size %d.\n", start, ha->optrom_size);
+ return -EINVAL;
+ }
+
+ if (ha->optrom_state != QLA_SWAITING) {
+ ql_log(ql_log_info, vha, 0x7056,
+ "optrom_state %d.\n", ha->optrom_state);
+ return -EBUSY;
+ }
+
+ ha->optrom_region_start = start;
+ ql_dbg(ql_dbg_user, vha, 0x7057, "is_update=%d.\n", is_update);
+ if (is_update) {
+ if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
+ valid = 1;
+ else if (start == (ha->flt_region_boot * 4) ||
+ start == (ha->flt_region_fw * 4))
+ valid = 1;
+ else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) ||
+ IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha))
+ valid = 1;
+ if (!valid) {
+ ql_log(ql_log_warn, vha, 0x7058,
+ "Invalid start region 0x%x/0x%x.\n", start,
+ bsg_job->request_payload.payload_len);
+ return -EINVAL;
+ }
+
+ ha->optrom_region_size = start +
+ bsg_job->request_payload.payload_len > ha->optrom_size ?
+ ha->optrom_size - start :
+ bsg_job->request_payload.payload_len;
+ ha->optrom_state = QLA_SWRITING;
+ } else {
+ ha->optrom_region_size = start +
+ bsg_job->reply_payload.payload_len > ha->optrom_size ?
+ ha->optrom_size - start :
+ bsg_job->reply_payload.payload_len;
+ ha->optrom_state = QLA_SREADING;
+ }
+
+ ha->optrom_buffer = vmalloc(ha->optrom_region_size);
+ if (!ha->optrom_buffer) {
+ ql_log(ql_log_warn, vha, 0x7059,
+ "Read: Unable to allocate memory for optrom retrieval "
+ "(%x)\n", ha->optrom_region_size);
+
+ ha->optrom_state = QLA_SWAITING;
+ return -ENOMEM;
+ }
+
+ memset(ha->optrom_buffer, 0, ha->optrom_region_size);
+ return 0;
+}
+
+static int
+qla2x00_read_optrom(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+
+ if (ha->flags.nic_core_reset_hdlr_active)
+ return -EBUSY;
+
+ mutex_lock(&ha->optrom_mutex);
+ rval = qla2x00_optrom_setup(bsg_job, vha, 0);
+ if (rval) {
+ mutex_unlock(&ha->optrom_mutex);
+ return rval;
+ }
+
+ ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
+
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, ha->optrom_buffer,
+ ha->optrom_region_size);
+
+ bsg_job->reply->reply_payload_rcv_len = ha->optrom_region_size;
+ bsg_job->reply->result = DID_OK;
+ vfree(ha->optrom_buffer);
+ ha->optrom_buffer = NULL;
+ ha->optrom_state = QLA_SWAITING;
+ mutex_unlock(&ha->optrom_mutex);
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+
+ mutex_lock(&ha->optrom_mutex);
+ rval = qla2x00_optrom_setup(bsg_job, vha, 1);
+ if (rval) {
+ mutex_unlock(&ha->optrom_mutex);
+ return rval;
+ }
+
+ /* Set the isp82xx_no_md_cap not to capture minidump */
+ ha->flags.isp82xx_no_md_cap = 1;
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
+ ha->optrom_region_size);
+
+ ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
+ ha->optrom_region_start, ha->optrom_region_size);
+
+ bsg_job->reply->result = DID_OK;
+ vfree(ha->optrom_buffer);
+ ha->optrom_buffer = NULL;
+ ha->optrom_state = QLA_SWAITING;
+ mutex_unlock(&ha->optrom_mutex);
+ bsg_job->job_done(bsg_job);
+ return rval;
+}
+
+static int
+qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_image_version_list *list = (void *)bsg;
+ struct qla_image_version *image;
+ uint32_t count;
+ dma_addr_t sfp_dma;
+ void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
+
+ image = list->version;
+ count = list->count;
+ while (count--) {
+ memcpy(sfp, &image->field_info, sizeof(image->field_info));
+ rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+ image->field_address.device, image->field_address.offset,
+ sizeof(image->field_info), image->field_address.option);
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+ image++;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_status_reg *sr = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+ rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
+ sr->field_address.device, sr->field_address.offset,
+ sizeof(sr->status_reg), sr->field_address.option);
+ sr->status_reg = *sfp;
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_status_reg *sr = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+ *sfp = sr->status_reg;
+ rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+ sr->field_address.device, sr->field_address.offset,
+ sizeof(sr->status_reg), sr->field_address.option);
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_write_i2c(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_i2c_access *i2c = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
+
+ memcpy(sfp, i2c->buffer, i2c->length);
+ rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+ i2c->device, i2c->offset, i2c->length, i2c->option);
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla2x00_read_i2c(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = 0;
+ uint8_t bsg[DMA_POOL_SIZE];
+ struct qla_i2c_access *i2c = (void *)bsg;
+ dma_addr_t sfp_dma;
+ uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+ if (!sfp) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, i2c, sizeof(*i2c));
+
+ rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
+ i2c->device, i2c->offset, i2c->length, i2c->option);
+
+ if (rval) {
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ EXT_STATUS_MAILBOX;
+ goto dealloc;
+ }
+
+ memcpy(i2c->buffer, sfp, i2c->length);
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, i2c, sizeof(*i2c));
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+ dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->reply_payload_rcv_len = sizeof(*i2c);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+
+ return 0;
+}
+
+static int
+qla24xx_process_bidir_cmd(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ uint16_t thread_id;
+ uint32_t rval = EXT_STATUS_OK;
+ uint16_t req_sg_cnt = 0;
+ uint16_t rsp_sg_cnt = 0;
+ uint16_t nextlid = 0;
+ uint32_t tot_dsds;
+ srb_t *sp = NULL;
+ uint32_t req_data_len = 0;
+ uint32_t rsp_data_len = 0;
+
+ /* Check the type of the adapter */
+ if (!IS_BIDI_CAPABLE(ha)) {
+ ql_log(ql_log_warn, vha, 0x70a0,
+ "This adapter is not supported\n");
+ rval = EXT_STATUS_NOT_SUPPORTED;
+ goto done;
+ }
+
+ 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)) {
+ rval = EXT_STATUS_BUSY;
+ goto done;
+ }
+
+ /* Check if host is online */
+ if (!vha->flags.online) {
+ ql_log(ql_log_warn, vha, 0x70a1,
+ "Host is not online\n");
+ rval = EXT_STATUS_DEVICE_OFFLINE;
+ goto done;
+ }
+
+ /* Check if cable is plugged in or not */
+ if (vha->device_flags & DFLG_NO_CABLE) {
+ ql_log(ql_log_warn, vha, 0x70a2,
+ "Cable is unplugged...\n");
+ rval = EXT_STATUS_INVALID_CFG;
+ goto done;
+ }
+
+ /* Check if the switch is connected or not */
+ if (ha->current_topology != ISP_CFG_F) {
+ ql_log(ql_log_warn, vha, 0x70a3,
+ "Host is not connected to the switch\n");
+ rval = EXT_STATUS_INVALID_CFG;
+ goto done;
+ }
+
+ /* Check if operating mode is P2P */
+ if (ha->operating_mode != P2P) {
+ ql_log(ql_log_warn, vha, 0x70a4,
+ "Host is operating mode is not P2p\n");
+ rval = EXT_STATUS_INVALID_CFG;
+ goto done;
+ }
+
+ thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ mutex_lock(&ha->selflogin_lock);
+ if (vha->self_login_loop_id == 0) {
+ /* Initialize all required fields of fcport */
+ vha->bidir_fcport.vha = vha;
+ vha->bidir_fcport.d_id.b.al_pa = vha->d_id.b.al_pa;
+ vha->bidir_fcport.d_id.b.area = vha->d_id.b.area;
+ vha->bidir_fcport.d_id.b.domain = vha->d_id.b.domain;
+ vha->bidir_fcport.loop_id = vha->loop_id;
+
+ if (qla2x00_fabric_login(vha, &(vha->bidir_fcport), &nextlid)) {
+ ql_log(ql_log_warn, vha, 0x70a7,
+ "Failed to login port %06X for bidirectional IOCB\n",
+ vha->bidir_fcport.d_id.b24);
+ mutex_unlock(&ha->selflogin_lock);
+ rval = EXT_STATUS_MAILBOX;
+ goto done;
+ }
+ vha->self_login_loop_id = nextlid - 1;
+
+ }
+ /* Assign the self login loop id to fcport */
+ mutex_unlock(&ha->selflogin_lock);
+
+ vha->bidir_fcport.loop_id = vha->self_login_loop_id;
+
+ req_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt,
+ DMA_TO_DEVICE);
+
+ if (!req_sg_cnt) {
+ rval = EXT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt,
+ DMA_FROM_DEVICE);
+
+ if (!rsp_sg_cnt) {
+ rval = EXT_STATUS_NO_MEMORY;
+ goto done_unmap_req_sg;
+ }
+
+ if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
+ (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
+ ql_dbg(ql_dbg_user, vha, 0x70a9,
+ "Dma mapping resulted in different sg counts "
+ "[request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt: "
+ "%x dma_reply_sg_cnt: %x]\n",
+ bsg_job->request_payload.sg_cnt, req_sg_cnt,
+ bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
+ rval = EXT_STATUS_NO_MEMORY;
+ goto done_unmap_sg;
+ }
+
+ if (req_data_len != rsp_data_len) {
+ rval = EXT_STATUS_BUSY;
+ ql_log(ql_log_warn, vha, 0x70aa,
+ "req_data_len != rsp_data_len\n");
+ goto done_unmap_sg;
+ }
+
+ req_data_len = bsg_job->request_payload.payload_len;
+ rsp_data_len = bsg_job->reply_payload.payload_len;
+
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
+ if (!sp) {
+ ql_dbg(ql_dbg_user, vha, 0x70ac,
+ "Alloc SRB structure failed\n");
+ rval = EXT_STATUS_NO_MEMORY;
+ goto done_unmap_sg;
+ }
+
+ /*Populate srb->ctx with bidir ctx*/
+ sp->u.bsg_job = bsg_job;
+ sp->free = qla2x00_bsg_sp_free;
+ sp->type = SRB_BIDI_CMD;
+ sp->done = qla2x00_bsg_job_done;
+
+ /* Add the read and write sg count */
+ tot_dsds = rsp_sg_cnt + req_sg_cnt;
+
+ rval = qla2x00_start_bidir(sp, vha, tot_dsds);
+ if (rval != EXT_STATUS_OK)
+ goto done_free_srb;
+ /* the bsg request will be completed in the interrupt handler */
+ return rval;
+
+done_free_srb:
+ mempool_free(sp, ha->srb_mempool);
+done_unmap_sg:
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done_unmap_req_sg:
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+done:
+
+ /* Return an error vendor specific response
+ * and complete the bsg request
+ */
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ bsg_job->reply->result = (DID_OK) << 16;
+ bsg_job->job_done(bsg_job);
+ /* Always return success, vendor rsp carries correct status */
+ return 0;
+}
+
+static int
+qlafx00_mgmt_cmd(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ struct qla_hw_data *ha = vha->hw;
+ int rval = (DRIVER_ERROR << 16);
+ struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
+ srb_t *sp;
+ int req_sg_cnt = 0, rsp_sg_cnt = 0;
+ struct fc_port *fcport;
+ char *type = "FC_BSG_HST_FX_MGMT";
+
+ /* Copy the IOCB specific information */
+ piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
+ &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ /* Dump the vendor information */
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose , vha, 0x70cf,
+ (uint8_t *)piocb_rqst, sizeof(struct qla_mt_iocb_rqst_fx00));
+
+ if (!vha->flags.online) {
+ ql_log(ql_log_warn, vha, 0x70d0,
+ "Host is not online.\n");
+ rval = -EIO;
+ goto done;
+ }
+
+ if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
+ req_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+ if (!req_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x70c7,
+ "dma_map_sg return %d for request\n", req_sg_cnt);
+ rval = -ENOMEM;
+ goto done;
+ }
+ }
+
+ if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
+ rsp_sg_cnt = dma_map_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+ if (!rsp_sg_cnt) {
+ ql_log(ql_log_warn, vha, 0x70c8,
+ "dma_map_sg return %d for reply\n", rsp_sg_cnt);
+ rval = -ENOMEM;
+ goto done_unmap_req_sg;
+ }
+ }
+
+ ql_dbg(ql_dbg_user, vha, 0x70c9,
+ "request_sg_cnt: %x dma_request_sg_cnt: %x reply_sg_cnt:%x "
+ "dma_reply_sg_cnt: %x\n", bsg_job->request_payload.sg_cnt,
+ req_sg_cnt, bsg_job->reply_payload.sg_cnt, rsp_sg_cnt);
+
+ /* Allocate a dummy fcport structure, since functions preparing the
+ * IOCB and mailbox command retrieves port specific information
+ * from fcport structure. For Host based ELS commands there will be
+ * no fcport structure allocated
+ */
+ fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (!fcport) {
+ ql_log(ql_log_warn, vha, 0x70ca,
+ "Failed to allocate fcport.\n");
+ rval = -ENOMEM;
+ goto done_unmap_rsp_sg;
+ }
+
+ /* Alloc SRB structure */
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp) {
+ ql_log(ql_log_warn, vha, 0x70cb,
+ "qla2x00_get_sp failed.\n");
+ rval = -ENOMEM;
+ goto done_free_fcport;
+ }
+
+ /* Initialize all required fields of fcport */
+ fcport->vha = vha;
+ fcport->loop_id = piocb_rqst->dataword;
+
+ sp->type = SRB_FXIOCB_BCMD;
+ sp->name = "bsg_fx_mgmt";
+ sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt);
+ sp->u.bsg_job = bsg_job;
+ sp->free = qla2x00_bsg_sp_free;
+ sp->done = qla2x00_bsg_job_done;
+
+ ql_dbg(ql_dbg_user, vha, 0x70cc,
+ "bsg rqst type: %s fx_mgmt_type: %x id=%x\n",
+ type, piocb_rqst->func_type, fcport->loop_id);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x70cd,
+ "qla2x00_start_sp failed=%d.\n", rval);
+ mempool_free(sp, ha->srb_mempool);
+ rval = -EIO;
+ goto done_free_fcport;
+ }
+ return rval;
+
+done_free_fcport:
+ kfree(fcport);
+
+done_unmap_rsp_sg:
+ if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID)
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+done_unmap_req_sg:
+ if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID)
+ dma_unmap_sg(&ha->pdev->dev,
+ bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
+
+done:
+ return rval;
+}
+
+static int
+qla26xx_serdes_op(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ int rval = 0;
+ struct qla_serdes_reg sr;
+
+ memset(&sr, 0, sizeof(sr));
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
+
+ switch (sr.cmd) {
+ case INT_SC_SERDES_WRITE_REG:
+ rval = qla2x00_write_serdes_word(vha, sr.addr, sr.val);
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ break;
+ case INT_SC_SERDES_READ_REG:
+ rval = qla2x00_read_serdes_word(vha, sr.addr, &sr.val);
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
+ bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
+ break;
+ default:
+ ql_dbg(ql_dbg_user, vha, 0x708c,
+ "Unknown serdes cmd %x.\n", sr.cmd);
+ rval = -EINVAL;
+ break;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ rval ? EXT_STATUS_MAILBOX : 0;
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+ return 0;
+}
+
+static int
+qla8044_serdes_op(struct fc_bsg_job *bsg_job)
+{
+ struct Scsi_Host *host = bsg_job->shost;
+ scsi_qla_host_t *vha = shost_priv(host);
+ int rval = 0;
+ struct qla_serdes_reg_ex sr;
+
+ memset(&sr, 0, sizeof(sr));
+
+ sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, &sr, sizeof(sr));
+
+ switch (sr.cmd) {
+ case INT_SC_SERDES_WRITE_REG:
+ rval = qla8044_write_serdes_word(vha, sr.addr, sr.val);
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ break;
+ case INT_SC_SERDES_READ_REG:
+ rval = qla8044_read_serdes_word(vha, sr.addr, &sr.val);
+ sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, &sr, sizeof(sr));
+ bsg_job->reply->reply_payload_rcv_len = sizeof(sr);
+ break;
+ default:
+ ql_dbg(ql_dbg_user, vha, 0x70cf,
+ "Unknown serdes cmd %x.\n", sr.cmd);
+ rval = -EINVAL;
+ break;
+ }
+
+ bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+ rval ? EXT_STATUS_MAILBOX : 0;
+
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+ bsg_job->reply->result = DID_OK << 16;
+ bsg_job->job_done(bsg_job);
+ return 0;
+}
+
+static int
+qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
+{
+ switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
+ case QL_VND_LOOPBACK:
+ return qla2x00_process_loopback(bsg_job);
+
+ case QL_VND_A84_RESET:
+ return qla84xx_reset(bsg_job);
+
+ case QL_VND_A84_UPDATE_FW:
+ return qla84xx_updatefw(bsg_job);
+
+ case QL_VND_A84_MGMT_CMD:
+ return qla84xx_mgmt_cmd(bsg_job);
+
+ case QL_VND_IIDMA:
+ return qla24xx_iidma(bsg_job);
+
+ case QL_VND_FCP_PRIO_CFG_CMD:
+ return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job);
+
+ case QL_VND_READ_FLASH:
+ return qla2x00_read_optrom(bsg_job);
+
+ case QL_VND_UPDATE_FLASH:
+ return qla2x00_update_optrom(bsg_job);
+
+ case QL_VND_SET_FRU_VERSION:
+ return qla2x00_update_fru_versions(bsg_job);
+
+ case QL_VND_READ_FRU_STATUS:
+ return qla2x00_read_fru_status(bsg_job);
+
+ case QL_VND_WRITE_FRU_STATUS:
+ return qla2x00_write_fru_status(bsg_job);
+
+ case QL_VND_WRITE_I2C:
+ return qla2x00_write_i2c(bsg_job);
+
+ case QL_VND_READ_I2C:
+ return qla2x00_read_i2c(bsg_job);
+
+ case QL_VND_DIAG_IO_CMD:
+ return qla24xx_process_bidir_cmd(bsg_job);
+
+ case QL_VND_FX00_MGMT_CMD:
+ return qlafx00_mgmt_cmd(bsg_job);
+
+ case QL_VND_SERDES_OP:
+ return qla26xx_serdes_op(bsg_job);
+
+ case QL_VND_SERDES_OP_EX:
+ return qla8044_serdes_op(bsg_job);
+
+ default:
+ return -ENOSYS;
+ }
+}
+
+int
+qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
+{
+ int ret = -EINVAL;
+ struct fc_rport *rport;
+ fc_port_t *fcport = NULL;
+ struct Scsi_Host *host;
+ scsi_qla_host_t *vha;
+
+ /* In case no data transferred. */
+ bsg_job->reply->reply_payload_rcv_len = 0;
+
+ 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);
+ } else {
+ host = bsg_job->shost;
+ vha = shost_priv(host);
+ }
+
+ if (qla2x00_reset_active(vha)) {
+ ql_dbg(ql_dbg_user, vha, 0x709f,
+ "BSG: ISP abort active/needed -- cmd=%d.\n",
+ bsg_job->request->msgcode);
+ return -EBUSY;
+ }
+
+ ql_dbg(ql_dbg_user, vha, 0x7000,
+ "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode);
+
+ switch (bsg_job->request->msgcode) {
+ case FC_BSG_RPT_ELS:
+ case FC_BSG_HST_ELS_NOLOGIN:
+ ret = qla2x00_process_els(bsg_job);
+ break;
+ case FC_BSG_HST_CT:
+ ret = qla2x00_process_ct(bsg_job);
+ break;
+ case FC_BSG_HST_VENDOR:
+ ret = qla2x00_process_vendor_specific(bsg_job);
+ break;
+ case FC_BSG_HST_ADD_RPORT:
+ case FC_BSG_HST_DEL_RPORT:
+ case FC_BSG_RPT_CT:
+ default:
+ ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n");
+ break;
+ }
+ return ret;
+}
+
+int
+qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
+{
+ scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
+ struct qla_hw_data *ha = vha->hw;
+ srb_t *sp;
+ int cnt, que;
+ unsigned long flags;
+ struct req_que *req;
+
+ /* find the bsg job from the active list of commands */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (que = 0; que < ha->max_req_queues; que++) {
+ req = ha->req_q_map[que];
+ if (!req)
+ continue;
+
+ for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
+ sp = req->outstanding_cmds[cnt];
+ if (sp) {
+ if (((sp->type == SRB_CT_CMD) ||
+ (sp->type == SRB_ELS_CMD_HST) ||
+ (sp->type == SRB_FXIOCB_BCMD))
+ && (sp->u.bsg_job == bsg_job)) {
+ req->outstanding_cmds[cnt] = NULL;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (ha->isp_ops->abort_command(sp)) {
+ ql_log(ql_log_warn, vha, 0x7089,
+ "mbx abort_command "
+ "failed.\n");
+ bsg_job->req->errors =
+ bsg_job->reply->result = -EIO;
+ } else {
+ ql_dbg(ql_dbg_user, vha, 0x708a,
+ "mbx abort_command "
+ "success.\n");
+ bsg_job->req->errors =
+ bsg_job->reply->result = 0;
+ }
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ goto done;
+ }
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ ql_log(ql_log_info, vha, 0x708b, "SRB not found to abort.\n");
+ bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
+ return 0;
+
+done:
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ sp->free(vha, sp);
+ return 0;
+}