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path: root/drivers/scsi/be2iscsi/be_mgmt.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_mgmt.c')
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c537
1 files changed, 292 insertions, 245 deletions
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 4f2194e324ae..756e7ae33e2c 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -187,120 +187,6 @@ int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,
}
/**
- * mgmt_reopen_session()- Reopen a session based on reopen_type
- * @phba: Device priv structure instance
- * @reopen_type: Type of reopen_session FW should do.
- * @sess_handle: Session Handle of the session to be re-opened
- *
- * return
- * the TAG used for MBOX Command
- *
- **/
-unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
- unsigned int reopen_type,
- unsigned int sess_handle)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct be_cmd_reopen_session_req *req;
- unsigned int tag;
-
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BG_%d : In bescsi_get_boot_target\n");
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return 0;
- }
-
- req = embedded_payload(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
- OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
- sizeof(struct be_cmd_reopen_session_resp));
-
- /* set the reopen_type,sess_handle */
- req->reopen_type = reopen_type;
- req->session_handle = sess_handle;
-
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
- return tag;
-}
-
-unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct be_cmd_get_boot_target_req *req;
- unsigned int tag;
-
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BG_%d : In bescsi_get_boot_target\n");
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return 0;
- }
-
- req = embedded_payload(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
- OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
- sizeof(struct be_cmd_get_boot_target_resp));
-
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
- return tag;
-}
-
-unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
- u32 boot_session_handle,
- struct be_dma_mem *nonemb_cmd)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- unsigned int tag;
- struct be_cmd_get_session_req *req;
- struct be_cmd_get_session_resp *resp;
- struct be_sge *sge;
-
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BG_%d : In beiscsi_get_session_info\n");
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return 0;
- }
-
- nonemb_cmd->size = sizeof(*resp);
- req = nonemb_cmd->va;
- memset(req, 0, sizeof(*req));
- sge = nonembedded_sgl(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
- OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
- sizeof(*resp));
- req->session_handle = boot_session_handle;
- sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
- sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
- sge->len = cpu_to_le32(nonemb_cmd->size);
-
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
- return tag;
-}
-
-/**
* mgmt_get_port_name()- Get port name for the function
* @ctrl: ptr to Ctrl Info
* @phba: ptr to the dev priv structure
@@ -1419,87 +1305,315 @@ unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
return tag;
}
+static void beiscsi_boot_process_compl(struct beiscsi_hba *phba,
+ unsigned int tag)
+{
+ struct be_cmd_get_boot_target_resp *boot_resp;
+ struct be_cmd_resp_logout_fw_sess *logo_resp;
+ struct be_cmd_get_session_resp *sess_resp;
+ struct be_mcc_wrb *wrb;
+ struct boot_struct *bs;
+ int boot_work, status;
+
+ if (!test_bit(BEISCSI_HBA_BOOT_WORK, &phba->state)) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BG_%d : %s no boot work %lx\n",
+ __func__, phba->state);
+ return;
+ }
+
+ if (phba->boot_struct.tag != tag) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BG_%d : %s tag mismatch %d:%d\n",
+ __func__, tag, phba->boot_struct.tag);
+ return;
+ }
+ bs = &phba->boot_struct;
+ boot_work = 1;
+ status = 0;
+ switch (bs->action) {
+ case BEISCSI_BOOT_REOPEN_SESS:
+ status = __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
+ if (!status)
+ bs->action = BEISCSI_BOOT_GET_SHANDLE;
+ else
+ bs->retry--;
+ break;
+ case BEISCSI_BOOT_GET_SHANDLE:
+ status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
+ if (!status) {
+ boot_resp = embedded_payload(wrb);
+ bs->s_handle = boot_resp->boot_session_handle;
+ }
+ if (bs->s_handle == BE_BOOT_INVALID_SHANDLE) {
+ bs->action = BEISCSI_BOOT_REOPEN_SESS;
+ bs->retry--;
+ } else {
+ bs->action = BEISCSI_BOOT_GET_SINFO;
+ }
+ break;
+ case BEISCSI_BOOT_GET_SINFO:
+ status = __beiscsi_mcc_compl_status(phba, tag, NULL,
+ &bs->nonemb_cmd);
+ if (!status) {
+ sess_resp = bs->nonemb_cmd.va;
+ memcpy(&bs->boot_sess, &sess_resp->session_info,
+ sizeof(struct mgmt_session_info));
+ bs->action = BEISCSI_BOOT_LOGOUT_SESS;
+ } else {
+ __beiscsi_log(phba, KERN_ERR,
+ "BG_%d : get boot session info error : 0x%x\n",
+ status);
+ boot_work = 0;
+ }
+ pci_free_consistent(phba->ctrl.pdev, bs->nonemb_cmd.size,
+ bs->nonemb_cmd.va, bs->nonemb_cmd.dma);
+ bs->nonemb_cmd.va = NULL;
+ break;
+ case BEISCSI_BOOT_LOGOUT_SESS:
+ status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
+ if (!status) {
+ logo_resp = embedded_payload(wrb);
+ if (logo_resp->session_status != BE_SESS_STATUS_CLOSE) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BG_%d : FW boot session logout error : 0x%x\n",
+ logo_resp->session_status);
+ }
+ }
+ /* continue to create boot_kset even if logout failed? */
+ bs->action = BEISCSI_BOOT_CREATE_KSET;
+ break;
+ default:
+ break;
+ }
+
+ /* clear the tag so no other completion matches this tag */
+ bs->tag = 0;
+ if (!bs->retry) {
+ boot_work = 0;
+ __beiscsi_log(phba, KERN_ERR,
+ "BG_%d : failed to setup boot target: status %d action %d\n",
+ status, bs->action);
+ }
+ if (!boot_work) {
+ /* wait for next event to start boot_work */
+ clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
+ return;
+ }
+ schedule_work(&phba->boot_work);
+}
+
/**
- * be_mgmt_get_boot_shandle()- Get the session handle
- * @phba: device priv structure instance
- * @s_handle: session handle returned for boot session.
+ * beiscsi_boot_logout_sess()- Logout from boot FW session
+ * @phba: Device priv structure instance
+ *
+ * return
+ * the TAG used for MBOX Command
*
- * Get the boot target session handle. In case of
- * crashdump mode driver has to issue and MBX Cmd
- * for FW to login to boot target
+ */
+unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_logout_fw_sess *req;
+ unsigned int tag;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
+ sizeof(struct be_cmd_req_logout_fw_sess));
+ /* Use the session handle copied into boot_sess */
+ req->session_handle = phba->boot_struct.boot_sess.session_handle;
+
+ phba->boot_struct.tag = tag;
+ set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
+ ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
+
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+
+ return tag;
+}
+/**
+ * beiscsi_boot_reopen_sess()- Reopen boot session
+ * @phba: Device priv structure instance
*
* return
- * Success: 0
- * Failure: Non-Zero value
+ * the TAG used for MBOX Command
*
**/
-int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
- unsigned int *s_handle)
+unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba)
{
- struct be_cmd_get_boot_target_resp *boot_resp;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
+ struct be_cmd_reopen_session_req *req;
unsigned int tag;
- uint8_t boot_retry = 3;
- int rc;
- do {
- /* Get the Boot Target Session Handle and Count*/
- tag = mgmt_get_boot_target(phba);
- if (!tag) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
- "BG_%d : Getting Boot Target Info Failed\n");
- return -EAGAIN;
- }
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
- rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
- if (rc) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : MBX CMD get_boot_target Failed\n");
- return -EBUSY;
- }
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
+ sizeof(struct be_cmd_reopen_session_resp));
+ req->reopen_type = BE_REOPEN_BOOT_SESSIONS;
+ req->session_handle = BE_BOOT_INVALID_SHANDLE;
- boot_resp = embedded_payload(wrb);
+ phba->boot_struct.tag = tag;
+ set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
+ ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
- /* Check if the there are any Boot targets configured */
- if (!boot_resp->boot_session_count) {
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d ;No boot targets configured\n");
- return -ENXIO;
- }
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
- /* FW returns the session handle of the boot session */
- if (boot_resp->boot_session_handle != INVALID_SESS_HANDLE) {
- *s_handle = boot_resp->boot_session_handle;
- return 0;
- }
- /* Issue MBX Cmd to FW to login to the boot target */
- tag = mgmt_reopen_session(phba, BE_REOPEN_BOOT_SESSIONS,
- INVALID_SESS_HANDLE);
- if (!tag) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : mgmt_reopen_session Failed\n");
- return -EAGAIN;
- }
+/**
+ * beiscsi_boot_get_sinfo()- Get boot session info
+ * @phba: device priv structure instance
+ *
+ * Fetches the boot_struct.s_handle info from FW.
+ * return
+ * the TAG used for MBOX Command
+ *
+ **/
+unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_cmd_get_session_resp *resp;
+ struct be_cmd_get_session_req *req;
+ struct be_dma_mem *nonemb_cmd;
+ struct be_mcc_wrb *wrb;
+ struct be_sge *sge;
+ unsigned int tag;
- rc = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
- if (rc) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : mgmt_reopen_session Failed");
- return rc;
- }
- } while (--boot_retry);
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
- /* Couldn't log into the boot target */
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : Login to Boot Target Failed\n");
- return -ENXIO;
+ nonemb_cmd = &phba->boot_struct.nonemb_cmd;
+ nonemb_cmd->size = sizeof(*resp);
+ nonemb_cmd->va = pci_alloc_consistent(phba->ctrl.pdev,
+ sizeof(nonemb_cmd->size),
+ &nonemb_cmd->dma);
+ if (!nonemb_cmd->va)
+ return 0;
+
+ req = nonemb_cmd->va;
+ memset(req, 0, sizeof(*req));
+ sge = nonembedded_sgl(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
+ sizeof(*resp));
+ req->session_handle = phba->boot_struct.s_handle;
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ phba->boot_struct.tag = tag;
+ set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
+ ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
+
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_get_boot_target_req *req;
+ unsigned int tag;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
+ }
+
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
+ OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
+ sizeof(struct be_cmd_get_boot_target_resp));
+
+ if (async) {
+ phba->boot_struct.tag = tag;
+ set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
+ ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
+ }
+
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
+/**
+ * beiscsi_boot_get_shandle()- Get boot session handle
+ * @phba: device priv structure instance
+ * @s_handle: session handle returned for boot session.
+ *
+ * return
+ * Success: 1
+ * Failure: negative
+ *
+ **/
+int beiscsi_boot_get_shandle(struct beiscsi_hba *phba, unsigned int *s_handle)
+{
+ struct be_cmd_get_boot_target_resp *boot_resp;
+ struct be_mcc_wrb *wrb;
+ unsigned int tag;
+ int rc;
+
+ *s_handle = BE_BOOT_INVALID_SHANDLE;
+ /* get configured boot session count and handle */
+ tag = __beiscsi_boot_get_shandle(phba, 0);
+ if (!tag) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
+ "BG_%d : Getting Boot Target Info Failed\n");
+ return -EAGAIN;
+ }
+
+ rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
+ if (rc) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BG_%d : MBX CMD get_boot_target Failed\n");
+ return -EBUSY;
+ }
+
+ boot_resp = embedded_payload(wrb);
+ /* check if there are any boot targets configured */
+ if (!boot_resp->boot_session_count) {
+ __beiscsi_log(phba, KERN_INFO,
+ "BG_%d : No boot targets configured\n");
+ return -ENXIO;
+ }
+
+ /* only if FW has logged in to the boot target, s_handle is valid */
+ *s_handle = boot_resp->boot_session_handle;
+ return 1;
}
/**
@@ -1809,70 +1923,3 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
(params->dw[offsetof(struct amap_beiscsi_offload_params,
exp_statsn) / 32] + 1));
}
-
-/**
- * beiscsi_logout_fw_sess()- Firmware Session Logout
- * @phba: Device priv structure instance
- * @fw_sess_handle: FW session handle
- *
- * Logout from the FW established sessions.
- * returns
- * Success: 0
- * Failure: Non-Zero Value
- *
- */
-int beiscsi_logout_fw_sess(struct beiscsi_hba *phba,
- uint32_t fw_sess_handle)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct be_cmd_req_logout_fw_sess *req;
- struct be_cmd_resp_logout_fw_sess *resp;
- unsigned int tag;
- int rc;
-
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BG_%d : In bescsi_logout_fwboot_sess\n");
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- beiscsi_log(phba, KERN_INFO,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BG_%d : MBX Tag Failure\n");
- return -EINVAL;
- }
-
- req = embedded_payload(wrb);
- be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
- be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
- OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
- sizeof(struct be_cmd_req_logout_fw_sess));
-
- /* Set the session handle */
- req->session_handle = fw_sess_handle;
- be_mcc_notify(phba, tag);
- mutex_unlock(&ctrl->mbox_lock);
-
- rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
- if (rc) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : MBX CMD FW_SESSION_LOGOUT_TARGET Failed\n");
- return -EBUSY;
- }
-
- resp = embedded_payload(wrb);
- if (resp->session_status !=
- BEISCSI_MGMT_SESSION_CLOSE) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BG_%d : FW_SESSION_LOGOUT_TARGET resp : 0x%x\n",
- resp->session_status);
- rc = -EINVAL;
- }
-
- return rc;
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-22 20:11:14 +0300