"In hwi_disable_intr, Already Disabled\n");
}
+/**
+ * beiscsi_get_boot_info()- Get the boot session info
+ * @phba: The device priv structure instance
+ *
+ * Get the boot target info and store in driver priv structure
+ *
+ * return values
+ * Success: 0
+ * Failure: Non-Zero Value
+ **/
static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
{
- struct be_cmd_get_boot_target_resp *boot_resp;
struct be_cmd_get_session_resp *session_resp;
struct be_mcc_wrb *wrb;
struct be_dma_mem nonemb_cmd;
unsigned int tag, wrb_num;
unsigned short status, extd_status;
+ unsigned int s_handle;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
int ret = -ENOMEM;
- tag = mgmt_get_boot_target(phba);
- if (!tag) {
- SE_DEBUG(DBG_LVL_1, "beiscsi_get_boot_info Failed\n");
- return -EAGAIN;
- } else
- wait_event_interruptible(phba->ctrl.mcc_wait[tag],
- phba->ctrl.mcc_numtag[tag]);
-
- wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
- extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
- status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
- if (status || extd_status) {
- SE_DEBUG(DBG_LVL_1, "beiscsi_get_boot_info Failed"
- " status = %d extd_status = %d\n",
- status, extd_status);
- free_mcc_tag(&phba->ctrl, tag);
- return -EBUSY;
- }
- wrb = queue_get_wrb(mccq, wrb_num);
- free_mcc_tag(&phba->ctrl, tag);
- boot_resp = embedded_payload(wrb);
-
- if (boot_resp->boot_session_handle < 0) {
- shost_printk(KERN_INFO, phba->shost, "No Boot Session.\n");
- return -ENXIO;
+ /* Get the session handle of the boot target */
+ ret = be_mgmt_get_boot_shandle(phba, &s_handle);
+ if (ret) {
+ SE_DEBUG(DBG_LVL_1, "No boot session\n");
+ return ret;
}
-
nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
sizeof(*session_resp),
&nonemb_cmd.dma);
}
memset(nonemb_cmd.va, 0, sizeof(*session_resp));
- tag = mgmt_get_session_info(phba, boot_resp->boot_session_handle,
+ tag = mgmt_get_session_info(phba, s_handle,
&nonemb_cmd);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "beiscsi_get_session_info"
#include "be_mgmt.h"
#include "be_iscsi.h"
+/**
+ * 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 = 0;
+
+ SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n");
+ spin_lock(&ctrl->mbox_lock);
+ tag = alloc_mcc_tag(phba);
+ if (!tag) {
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+ }
+
+ wrb = wrb_from_mccq(phba);
+ req = embedded_payload(wrb);
+ wrb->tag0 |= tag;
+ 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);
+ spin_unlock(&ctrl->mbox_lock);
+ return tag;
+}
+
unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
spin_unlock(&ctrl->mbox_lock);
return tag;
}
+
+/**
+ * be_mgmt_get_boot_shandle()- Get the session handle
+ * @phba: device priv structure instance
+ * @s_handle: session handle returned for boot session.
+ *
+ * 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
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero value
+ *
+ **/
+int be_mgmt_get_boot_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, wrb_num;
+ uint8_t boot_retry = 3;
+ unsigned short status, extd_status;
+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+
+ do {
+ /* Get the Boot Target Session Handle and Count*/
+ tag = mgmt_get_boot_target(phba);
+ if (!tag) {
+ SE_DEBUG(DBG_LVL_1, "mgmt_get_boot_target Failed\n");
+ return -EAGAIN;
+ } else
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+
+ wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+ if (status || extd_status) {
+ SE_DEBUG(DBG_LVL_1, "mgmt_get_boot_target Failed"
+ " status = %d extd_status = %d\n",
+ status, extd_status);
+ free_mcc_tag(&phba->ctrl, tag);
+ return -EBUSY;
+ }
+ wrb = queue_get_wrb(mccq, wrb_num);
+ free_mcc_tag(&phba->ctrl, tag);
+ boot_resp = embedded_payload(wrb);
+
+ /* Check if the there are any Boot targets configured */
+ if (!boot_resp->boot_session_count) {
+ SE_DEBUG(DBG_LVL_8, "No boot targets configured\n");
+ return -ENXIO;
+ }
+
+ /* 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) {
+ SE_DEBUG(DBG_LVL_1, "mgmt_reopen_session Failed\n");
+ return -EAGAIN;
+ } else
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+
+ wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
+ extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
+ status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
+ if (status || extd_status) {
+ SE_DEBUG(DBG_LVL_1, "mgmt_reopen_session Failed"
+ " status = %d extd_status = %d\n",
+ status, extd_status);
+ free_mcc_tag(&phba->ctrl, tag);
+ return -EBUSY;
+ }
+ free_mcc_tag(&phba->ctrl, tag);
+
+ } while (--boot_retry);
+
+ /* Couldn't log into the boot target */
+ SE_DEBUG(DBG_LVL_1, "Login to Boot Target Failed\n");
+ return -ENXIO;
+}
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff