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@@ -23,6 +23,50 @@
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#include "be_mgmt.h"
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#include "be_iscsi.h"
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+/**
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+ * mgmt_reopen_session()- Reopen a session based on reopen_type
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+ * @phba: Device priv structure instance
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+ * @reopen_type: Type of reopen_session FW should do.
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+ * @sess_handle: Session Handle of the session to be re-opened
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+ *
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+ * return
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+ * the TAG used for MBOX Command
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+ *
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+ **/
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+unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
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+ unsigned int reopen_type,
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+ unsigned int sess_handle)
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+{
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+ struct be_ctrl_info *ctrl = &phba->ctrl;
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+ struct be_mcc_wrb *wrb;
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+ struct be_cmd_reopen_session_req *req;
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+ unsigned int tag = 0;
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+
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+ SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
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+ spin_lock(&ctrl->mbox_lock);
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+ tag = alloc_mcc_tag(phba);
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+ if (!tag) {
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+ spin_unlock(&ctrl->mbox_lock);
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+ return tag;
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+ }
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+
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+ wrb = wrb_from_mccq(phba);
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+ req = embedded_payload(wrb);
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+ wrb->tag0 |= tag;
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+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
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+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
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+ OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
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+ sizeof(struct be_cmd_reopen_session_resp));
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+
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+ /* set the reopen_type,sess_handle */
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+ req->reopen_type = reopen_type;
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+ req->session_handle = sess_handle;
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+
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+ be_mcc_notify(phba);
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+ spin_unlock(&ctrl->mbox_lock);
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+ return tag;
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+}
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+
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unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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@@ -924,3 +968,92 @@ unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
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spin_unlock(&ctrl->mbox_lock);
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return tag;
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}
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+
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+/**
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+ * be_mgmt_get_boot_shandle()- Get the session handle
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+ * @phba: device priv structure instance
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+ * @s_handle: session handle returned for boot session.
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+ *
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+ * Get the boot target session handle. In case of
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+ * crashdump mode driver has to issue and MBX Cmd
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+ * for FW to login to boot target
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+ *
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+ * return
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+ * Success: 0
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+ * Failure: Non-Zero value
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+ *
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+ **/
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+int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
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+ unsigned int *s_handle)
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+{
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+ struct be_cmd_get_boot_target_resp *boot_resp;
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+ struct be_mcc_wrb *wrb;
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+ unsigned int tag, wrb_num;
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+ uint8_t boot_retry = 3;
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+ unsigned short status, extd_status;
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+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
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+
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+ do {
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+ /* Get the Boot Target Session Handle and Count*/
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+ tag = mgmt_get_boot_target(phba);
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+ if (!tag) {
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+ SE_DEBUG(DBG_LVL_1, "mgmt_get_boot_target Failed\n");
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+ return -EAGAIN;
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+ } else
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+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
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+ phba->ctrl.mcc_numtag[tag]);
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+
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+ wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
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+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
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+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
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+ if (status || extd_status) {
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+ SE_DEBUG(DBG_LVL_1, "mgmt_get_boot_target Failed"
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+ " status = %d extd_status = %d\n",
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+ status, extd_status);
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+ free_mcc_tag(&phba->ctrl, tag);
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+ return -EBUSY;
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+ }
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+ wrb = queue_get_wrb(mccq, wrb_num);
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+ free_mcc_tag(&phba->ctrl, tag);
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+ boot_resp = embedded_payload(wrb);
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+
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+ /* Check if the there are any Boot targets configured */
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+ if (!boot_resp->boot_session_count) {
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+ SE_DEBUG(DBG_LVL_8, "No boot targets configured\n");
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+ return -ENXIO;
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+ }
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+
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+ /* FW returns the session handle of the boot session */
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+ if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
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+ *s_handle = boot_resp->boot_session_handle;
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+ return 0;
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+ }
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+
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+ /* Issue MBX Cmd to FW to login to the boot target */
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+ tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
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+ INVALID_SESS_HANDLE);
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+ if (!tag) {
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+ SE_DEBUG(DBG_LVL_1, "mgmt_reopen_session Failed\n");
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+ return -EAGAIN;
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+ } else
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+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
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+ phba->ctrl.mcc_numtag[tag]);
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+
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+ wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
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+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
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+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
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+ if (status || extd_status) {
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+ SE_DEBUG(DBG_LVL_1, "mgmt_reopen_session Failed"
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+ " status = %d extd_status = %d\n",
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+ status, extd_status);
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+ free_mcc_tag(&phba->ctrl, tag);
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+ return -EBUSY;
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+ }
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+ free_mcc_tag(&phba->ctrl, tag);
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+
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+ } while (--boot_retry);
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+
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+ /* Couldn't log into the boot target */
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+ SE_DEBUG(DBG_LVL_1, "Login to Boot Target Failed\n");
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+ return -ENXIO;
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+}
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John Soni Jose