unsigned long tag_state;
#define MCC_TAG_STATE_RUNNING 1
#define MCC_TAG_STATE_TIMEOUT 2
+#define MCC_TAG_STATE_ASYNC 3
+ void (*cbfn)(struct beiscsi_hba *, unsigned int);
struct be_dma_mem tag_mem_state;
};
phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;
phba->ctrl.mcc_tag_status[tag] = 0;
phba->ctrl.ptag_state[tag].tag_state = 0;
+ phba->ctrl.ptag_state[tag].cbfn = NULL;
phba->ctrl.mcc_tag_available--;
if (phba->ctrl.mcc_alloc_index == (MAX_MCC_CMD - 1))
phba->ctrl.mcc_alloc_index = 0;
iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
}
+/*
+ * beiscsi_mcc_compl_status - Return the status of MCC completion
+ * @phba: Driver private structure
+ * @tag: Tag for the MBX Command
+ * @wrb: the WRB used for the MBX Command
+ * @mbx_cmd_mem: ptr to memory allocated for MBX Cmd
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero
+ */
+int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
+ unsigned int tag,
+ struct be_mcc_wrb **wrb,
+ struct be_dma_mem *mbx_cmd_mem)
+{
+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+ uint16_t status = 0, addl_status = 0, wrb_num = 0;
+ struct be_cmd_resp_hdr *mbx_resp_hdr;
+ struct be_cmd_req_hdr *mbx_hdr;
+ struct be_mcc_wrb *temp_wrb;
+ uint32_t mcc_tag_status;
+ int rc = 0;
+
+ mcc_tag_status = phba->ctrl.mcc_tag_status[tag];
+ status = (mcc_tag_status & CQE_STATUS_MASK);
+ addl_status = ((mcc_tag_status & CQE_STATUS_ADDL_MASK) >>
+ CQE_STATUS_ADDL_SHIFT);
+
+ if (mbx_cmd_mem) {
+ mbx_hdr = (struct be_cmd_req_hdr *)mbx_cmd_mem->va;
+ } else {
+ wrb_num = (mcc_tag_status & CQE_STATUS_WRB_MASK) >>
+ CQE_STATUS_WRB_SHIFT;
+ temp_wrb = (struct be_mcc_wrb *)queue_get_wrb(mccq, wrb_num);
+ mbx_hdr = embedded_payload(temp_wrb);
+
+ if (wrb)
+ *wrb = temp_wrb;
+ }
+
+ if (status || addl_status) {
+ beiscsi_log(phba, KERN_WARNING,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_EH |
+ BEISCSI_LOG_CONFIG,
+ "BC_%d : MBX Cmd Failed for Subsys : %d Opcode : %d with Status : %d and Extd_Status : %d\n",
+ mbx_hdr->subsystem, mbx_hdr->opcode,
+ status, addl_status);
+ rc = -EIO;
+ if (status == MCC_STATUS_INSUFFICIENT_BUFFER) {
+ mbx_resp_hdr = (struct be_cmd_resp_hdr *)mbx_hdr;
+ beiscsi_log(phba, KERN_WARNING,
+ BEISCSI_LOG_INIT | BEISCSI_LOG_EH |
+ BEISCSI_LOG_CONFIG,
+ "BC_%d : Insufficient Buffer Error Resp_Len : %d Actual_Resp_Len : %d\n",
+ mbx_resp_hdr->response_length,
+ mbx_resp_hdr->actual_resp_len);
+ rc = -EAGAIN;
+ }
+ }
+
+ return rc;
+}
+
/*
* beiscsi_mccq_compl_wait()- Process completion in MCC CQ
* @phba: Driver private structure
* Failure: Non-Zero
**/
int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
- uint32_t tag, struct be_mcc_wrb **wrb,
+ unsigned int tag,
+ struct be_mcc_wrb **wrb,
struct be_dma_mem *mbx_cmd_mem)
{
int rc = 0;
- uint32_t mcc_tag_status;
- uint16_t status = 0, addl_status = 0, wrb_num = 0;
- struct be_mcc_wrb *temp_wrb;
- struct be_cmd_req_hdr *mbx_hdr;
- struct be_cmd_resp_hdr *mbx_resp_hdr;
- struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
if (beiscsi_hba_in_error(phba)) {
clear_bit(MCC_TAG_STATE_RUNNING,
}
/* wait for the mccq completion */
- rc = wait_event_interruptible_timeout(
- phba->ctrl.mcc_wait[tag],
- phba->ctrl.mcc_tag_status[tag],
- msecs_to_jiffies(
- BEISCSI_HOST_MBX_TIMEOUT));
+ rc = wait_event_interruptible_timeout(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_tag_status[tag],
+ msecs_to_jiffies(
+ BEISCSI_HOST_MBX_TIMEOUT));
+
/**
* If MBOX cmd timeout expired, tag and resource allocated
* for cmd is not freed until FW returns completion.
return -EBUSY;
}
- rc = 0;
- mcc_tag_status = phba->ctrl.mcc_tag_status[tag];
- status = (mcc_tag_status & CQE_STATUS_MASK);
- addl_status = ((mcc_tag_status & CQE_STATUS_ADDL_MASK) >>
- CQE_STATUS_ADDL_SHIFT);
-
- if (mbx_cmd_mem) {
- mbx_hdr = (struct be_cmd_req_hdr *)mbx_cmd_mem->va;
- } else {
- wrb_num = (mcc_tag_status & CQE_STATUS_WRB_MASK) >>
- CQE_STATUS_WRB_SHIFT;
- temp_wrb = (struct be_mcc_wrb *)queue_get_wrb(mccq, wrb_num);
- mbx_hdr = embedded_payload(temp_wrb);
-
- if (wrb)
- *wrb = temp_wrb;
- }
-
- if (status || addl_status) {
- beiscsi_log(phba, KERN_WARNING,
- BEISCSI_LOG_INIT | BEISCSI_LOG_EH |
- BEISCSI_LOG_CONFIG,
- "BC_%d : MBX Cmd Failed for "
- "Subsys : %d Opcode : %d with "
- "Status : %d and Extd_Status : %d\n",
- mbx_hdr->subsystem,
- mbx_hdr->opcode,
- status, addl_status);
- rc = -EIO;
- if (status == MCC_STATUS_INSUFFICIENT_BUFFER) {
- mbx_resp_hdr = (struct be_cmd_resp_hdr *) mbx_hdr;
- beiscsi_log(phba, KERN_WARNING,
- BEISCSI_LOG_INIT | BEISCSI_LOG_EH |
- BEISCSI_LOG_CONFIG,
- "BC_%d : Insufficient Buffer Error "
- "Resp_Len : %d Actual_Resp_Len : %d\n",
- mbx_resp_hdr->response_length,
- mbx_resp_hdr->actual_resp_len);
- rc = -EAGAIN;
- }
- }
+ rc = __beiscsi_mcc_compl_status(phba, tag, wrb, mbx_cmd_mem);
free_mcc_wrb(&phba->ctrl, tag);
return rc;
* This has been newly introduced in SKH-R Firmware 10.0.338.45.
**/
if (evt->port_link_status & BE_ASYNC_LINK_UP_MASK) {
- phba->get_boot = BE_GET_BOOT_RETRIES;
- /* first this needs to be visible to worker thread */
- wmb();
- set_bit(BEISCSI_HBA_LINK_UP | BEISCSI_HBA_BOOT_FOUND,
- &phba->state);
+ set_bit(BEISCSI_HBA_LINK_UP, &phba->state);
+ if (test_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state))
+ beiscsi_start_boot_work(phba, BE_BOOT_INVALID_SHANDLE);
__beiscsi_log(phba, KERN_ERR,
"BC_%d : Link Up on Port %d tag 0x%x\n",
evt->physical_port, evt->event_tag);
beiscsi_process_async_link(phba, compl);
break;
case ASYNC_EVENT_CODE_ISCSI:
- phba->get_boot = BE_GET_BOOT_RETRIES;
- /* first this needs to be visible to worker thread */
- wmb();
- set_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state);
+ if (test_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state))
+ beiscsi_start_boot_work(phba, BE_BOOT_INVALID_SHANDLE);
sev = KERN_ERR;
break;
case ASYNC_EVENT_CODE_SLI:
return 0;
}
+ /* end MCC with this tag */
+ clear_bit(MCC_TAG_STATE_RUNNING, &ctrl->ptag_state[tag].tag_state);
+
if (test_bit(MCC_TAG_STATE_TIMEOUT, &ctrl->ptag_state[tag].tag_state)) {
beiscsi_log(phba, KERN_WARNING,
BEISCSI_LOG_MBOX | BEISCSI_LOG_INIT |
* Only for non-embedded cmd, PCI resource is allocated.
**/
tag_mem = &ctrl->ptag_state[tag].tag_mem_state;
- if (tag_mem->size)
+ if (tag_mem->size) {
pci_free_consistent(ctrl->pdev, tag_mem->size,
tag_mem->va, tag_mem->dma);
+ tag_mem->size = 0;
+ }
free_mcc_wrb(ctrl, tag);
return 0;
}
CQE_STATUS_ADDL_MASK;
ctrl->mcc_tag_status[tag] |= (compl_status & CQE_STATUS_MASK);
- /* write ordering forced in wake_up_interruptible */
- clear_bit(MCC_TAG_STATE_RUNNING, &ctrl->ptag_state[tag].tag_state);
+ if (test_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state)) {
+ if (ctrl->ptag_state[tag].cbfn)
+ ctrl->ptag_state[tag].cbfn(phba, tag);
+ else
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_MBOX | BEISCSI_LOG_INIT |
+ BEISCSI_LOG_CONFIG,
+ "BC_%d : MBX ASYNC command with no callback\n");
+ free_mcc_wrb(ctrl, tag);
+ return 0;
+ }
+
wake_up_interruptible(&ctrl->mcc_wait[tag]);
return 0;
}
struct be_cmd_resp_logout_fw_sess {
struct be_cmd_resp_hdr hdr; /* dw[4] */
-#define BEISCSI_MGMT_SESSION_CLOSE 0x20
uint32_t session_status;
+#define BE_SESS_STATUS_CLOSE 0x20
} __packed;
struct mgmt_conn_login_options {
struct be_cmd_get_boot_target_resp {
struct be_cmd_resp_hdr hdr;
- u32 boot_session_count;
- int boot_session_handle;
+ u32 boot_session_count;
+ u32 boot_session_handle;
+/**
+ * FW returns 0xffffffff if it couldn't establish connection with
+ * configured boot target.
+ */
+#define BE_BOOT_INVALID_SHANDLE 0xffffffff
};
struct be_cmd_reopen_session_req {
int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
int num);
int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
- uint32_t tag, struct be_mcc_wrb **wrb,
+ unsigned int tag,
+ struct be_mcc_wrb **wrb,
struct be_dma_mem *mbx_cmd_mem);
+int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
+ unsigned int tag,
+ struct be_mcc_wrb **wrb,
+ struct be_dma_mem *mbx_cmd_mem);
/*ISCSI Functuions */
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
return iscsi_eh_device_reset(sc);
}
-static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
-{
- struct beiscsi_hba *phba = data;
- struct mgmt_session_info *boot_sess = &phba->boot_sess;
- struct mgmt_conn_info *boot_conn = &boot_sess->conn_list[0];
- char *str = buf;
- int rc = -EPERM;
-
- switch (type) {
- case ISCSI_BOOT_TGT_NAME:
- rc = sprintf(buf, "%.*s\n",
- (int)strlen(boot_sess->target_name),
- (char *)&boot_sess->target_name);
- break;
- case ISCSI_BOOT_TGT_IP_ADDR:
- if (boot_conn->dest_ipaddr.ip_type == BEISCSI_IP_TYPE_V4)
- rc = sprintf(buf, "%pI4\n",
- (char *)&boot_conn->dest_ipaddr.addr);
- else
- rc = sprintf(str, "%pI6\n",
- (char *)&boot_conn->dest_ipaddr.addr);
- break;
- case ISCSI_BOOT_TGT_PORT:
- rc = sprintf(str, "%d\n", boot_conn->dest_port);
- break;
-
- case ISCSI_BOOT_TGT_CHAP_NAME:
- rc = sprintf(str, "%.*s\n",
- boot_conn->negotiated_login_options.auth_data.chap.
- target_chap_name_length,
- (char *)&boot_conn->negotiated_login_options.
- auth_data.chap.target_chap_name);
- break;
- case ISCSI_BOOT_TGT_CHAP_SECRET:
- rc = sprintf(str, "%.*s\n",
- boot_conn->negotiated_login_options.auth_data.chap.
- target_secret_length,
- (char *)&boot_conn->negotiated_login_options.
- auth_data.chap.target_secret);
- break;
- case ISCSI_BOOT_TGT_REV_CHAP_NAME:
- rc = sprintf(str, "%.*s\n",
- boot_conn->negotiated_login_options.auth_data.chap.
- intr_chap_name_length,
- (char *)&boot_conn->negotiated_login_options.
- auth_data.chap.intr_chap_name);
- break;
- case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
- rc = sprintf(str, "%.*s\n",
- boot_conn->negotiated_login_options.auth_data.chap.
- intr_secret_length,
- (char *)&boot_conn->negotiated_login_options.
- auth_data.chap.intr_secret);
- break;
- case ISCSI_BOOT_TGT_FLAGS:
- rc = sprintf(str, "2\n");
- break;
- case ISCSI_BOOT_TGT_NIC_ASSOC:
- rc = sprintf(str, "0\n");
- break;
- }
- return rc;
-}
-
-static ssize_t beiscsi_show_boot_ini_info(void *data, int type, char *buf)
-{
- struct beiscsi_hba *phba = data;
- char *str = buf;
- int rc = -EPERM;
-
- switch (type) {
- case ISCSI_BOOT_INI_INITIATOR_NAME:
- rc = sprintf(str, "%s\n", phba->boot_sess.initiator_iscsiname);
- break;
- }
- return rc;
-}
-
-static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
-{
- struct beiscsi_hba *phba = data;
- char *str = buf;
- int rc = -EPERM;
-
- switch (type) {
- case ISCSI_BOOT_ETH_FLAGS:
- rc = sprintf(str, "2\n");
- break;
- case ISCSI_BOOT_ETH_INDEX:
- rc = sprintf(str, "0\n");
- break;
- case ISCSI_BOOT_ETH_MAC:
- rc = beiscsi_get_macaddr(str, phba);
- break;
- }
- return rc;
-}
-
-
-static umode_t beiscsi_tgt_get_attr_visibility(void *data, int type)
-{
- umode_t rc = 0;
-
- switch (type) {
- case ISCSI_BOOT_TGT_NAME:
- case ISCSI_BOOT_TGT_IP_ADDR:
- case ISCSI_BOOT_TGT_PORT:
- case ISCSI_BOOT_TGT_CHAP_NAME:
- case ISCSI_BOOT_TGT_CHAP_SECRET:
- case ISCSI_BOOT_TGT_REV_CHAP_NAME:
- case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
- case ISCSI_BOOT_TGT_NIC_ASSOC:
- case ISCSI_BOOT_TGT_FLAGS:
- rc = S_IRUGO;
- break;
- }
- return rc;
-}
-
-static umode_t beiscsi_ini_get_attr_visibility(void *data, int type)
-{
- umode_t rc = 0;
-
- switch (type) {
- case ISCSI_BOOT_INI_INITIATOR_NAME:
- rc = S_IRUGO;
- break;
- }
- return rc;
-}
-
-
-static umode_t beiscsi_eth_get_attr_visibility(void *data, int type)
-{
- umode_t rc = 0;
-
- switch (type) {
- case ISCSI_BOOT_ETH_FLAGS:
- case ISCSI_BOOT_ETH_MAC:
- case ISCSI_BOOT_ETH_INDEX:
- rc = S_IRUGO;
- break;
- }
- return rc;
-}
-
/*------------------- PCI Driver operations and data ----------------- */
static const struct pci_device_id beiscsi_pci_id_table[] = {
{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
"BM_%d : 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_session_resp *session_resp;
- struct be_dma_mem nonemb_cmd;
- unsigned int tag;
- unsigned int s_handle;
- int ret = -ENOMEM;
-
- /* Get the session handle of the boot target */
- ret = be_mgmt_get_boot_shandle(phba, &s_handle);
- if (ret) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BM_%d : No boot session\n");
-
- if (ret == -ENXIO)
- phba->get_boot = 0;
-
-
- return ret;
- }
- phba->get_boot = 0;
- nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev,
- sizeof(*session_resp),
- &nonemb_cmd.dma);
- if (nonemb_cmd.va == NULL) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BM_%d : Failed to allocate memory for"
- "beiscsi_get_session_info\n");
-
- return -ENOMEM;
- }
-
- tag = mgmt_get_session_info(phba, s_handle,
- &nonemb_cmd);
- if (!tag) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BM_%d : beiscsi_get_session_info"
- " Failed\n");
-
- goto boot_freemem;
- }
-
- ret = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
- if (ret) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
- "BM_%d : beiscsi_get_session_info Failed");
-
- if (ret != -EBUSY)
- goto boot_freemem;
- else
- return ret;
- }
-
- session_resp = nonemb_cmd.va ;
-
- memcpy(&phba->boot_sess, &session_resp->session_info,
- sizeof(struct mgmt_session_info));
-
- beiscsi_logout_fw_sess(phba,
- phba->boot_sess.session_handle);
- ret = 0;
-
-boot_freemem:
- pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
- nonemb_cmd.va, nonemb_cmd.dma);
- return ret;
-}
-
-static void beiscsi_boot_release(void *data)
-{
- struct beiscsi_hba *phba = data;
-
- scsi_host_put(phba->shost);
-}
-
-static int beiscsi_setup_boot_info(struct beiscsi_hba *phba)
-{
- struct iscsi_boot_kobj *boot_kobj;
-
- /* it has been created previously */
- if (phba->boot_kset)
- return 0;
-
- /* get boot info using mgmt cmd */
- if (beiscsi_get_boot_info(phba))
- /* Try to see if we can carry on without this */
- return 0;
-
- phba->boot_kset = iscsi_boot_create_host_kset(phba->shost->host_no);
- if (!phba->boot_kset)
- return -ENOMEM;
-
- /* get a ref because the show function will ref the phba */
- if (!scsi_host_get(phba->shost))
- goto free_kset;
- boot_kobj = iscsi_boot_create_target(phba->boot_kset, 0, phba,
- beiscsi_show_boot_tgt_info,
- beiscsi_tgt_get_attr_visibility,
- beiscsi_boot_release);
- if (!boot_kobj)
- goto put_shost;
-
- if (!scsi_host_get(phba->shost))
- goto free_kset;
- boot_kobj = iscsi_boot_create_initiator(phba->boot_kset, 0, phba,
- beiscsi_show_boot_ini_info,
- beiscsi_ini_get_attr_visibility,
- beiscsi_boot_release);
- if (!boot_kobj)
- goto put_shost;
-
- if (!scsi_host_get(phba->shost))
- goto free_kset;
- boot_kobj = iscsi_boot_create_ethernet(phba->boot_kset, 0, phba,
- beiscsi_show_boot_eth_info,
- beiscsi_eth_get_attr_visibility,
- beiscsi_boot_release);
- if (!boot_kobj)
- goto put_shost;
- return 0;
-
-put_shost:
- scsi_host_put(phba->shost);
-free_kset:
- iscsi_boot_destroy_kset(phba->boot_kset);
- phba->boot_kset = NULL;
- return -ENOMEM;
-}
-
static int beiscsi_init_port(struct beiscsi_hba *phba)
{
int ret;
free_irq(phba->pcidev->irq, phba);
pci_disable_msix(phba->pcidev);
cancel_delayed_work_sync(&phba->beiscsi_hw_check_task);
+ cancel_work_sync(&phba->boot_work);
for (i = 0; i < phba->num_cpus; i++) {
pbe_eq = &phwi_context->be_eq[i];
clear_bit(BEISCSI_HBA_RUNNING, &phba->state);
beiscsi_iface_destroy_default(phba);
- iscsi_boot_destroy_kset(phba->boot_kset);
iscsi_host_remove(phba->shost);
beiscsi_quiesce(phba);
+ /* after cancelling boot_work */
+ iscsi_boot_destroy_kset(phba->boot_struct.boot_kset);
pci_dev_put(phba->pcidev);
iscsi_host_free(phba->shost);
pci_disable_pcie_error_reporting(pcidev);
return;
}
+void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle)
+{
+ if (phba->boot_struct.boot_kset)
+ return;
+
+ /* skip if boot work is already in progress */
+ if (test_and_set_bit(BEISCSI_HBA_BOOT_WORK, &phba->state))
+ return;
+
+ phba->boot_struct.retry = 3;
+ phba->boot_struct.tag = 0;
+ phba->boot_struct.s_handle = s_handle;
+ phba->boot_struct.action = BEISCSI_BOOT_GET_SHANDLE;
+ schedule_work(&phba->boot_work);
+}
+
+static ssize_t beiscsi_show_boot_tgt_info(void *data, int type, char *buf)
+{
+ struct beiscsi_hba *phba = data;
+ struct mgmt_session_info *boot_sess = &phba->boot_struct.boot_sess;
+ struct mgmt_conn_info *boot_conn = &boot_sess->conn_list[0];
+ char *str = buf;
+ int rc = -EPERM;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ rc = sprintf(buf, "%.*s\n",
+ (int)strlen(boot_sess->target_name),
+ (char *)&boot_sess->target_name);
+ break;
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ if (boot_conn->dest_ipaddr.ip_type == BEISCSI_IP_TYPE_V4)
+ rc = sprintf(buf, "%pI4\n",
+ (char *)&boot_conn->dest_ipaddr.addr);
+ else
+ rc = sprintf(str, "%pI6\n",
+ (char *)&boot_conn->dest_ipaddr.addr);
+ break;
+ case ISCSI_BOOT_TGT_PORT:
+ rc = sprintf(str, "%d\n", boot_conn->dest_port);
+ break;
+
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->negotiated_login_options.auth_data.chap.
+ target_chap_name_length,
+ (char *)&boot_conn->negotiated_login_options.
+ auth_data.chap.target_chap_name);
+ break;
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->negotiated_login_options.auth_data.chap.
+ target_secret_length,
+ (char *)&boot_conn->negotiated_login_options.
+ auth_data.chap.target_secret);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->negotiated_login_options.auth_data.chap.
+ intr_chap_name_length,
+ (char *)&boot_conn->negotiated_login_options.
+ auth_data.chap.intr_chap_name);
+ break;
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ rc = sprintf(str, "%.*s\n",
+ boot_conn->negotiated_login_options.auth_data.chap.
+ intr_secret_length,
+ (char *)&boot_conn->negotiated_login_options.
+ auth_data.chap.intr_secret);
+ break;
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = sprintf(str, "2\n");
+ break;
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ rc = sprintf(str, "0\n");
+ break;
+ }
+ return rc;
+}
+
+static ssize_t beiscsi_show_boot_ini_info(void *data, int type, char *buf)
+{
+ struct beiscsi_hba *phba = data;
+ char *str = buf;
+ int rc = -EPERM;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = sprintf(str, "%s\n",
+ phba->boot_struct.boot_sess.initiator_iscsiname);
+ break;
+ }
+ return rc;
+}
+
+static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf)
+{
+ struct beiscsi_hba *phba = data;
+ char *str = buf;
+ int rc = -EPERM;
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_FLAGS:
+ rc = sprintf(str, "2\n");
+ break;
+ case ISCSI_BOOT_ETH_INDEX:
+ rc = sprintf(str, "0\n");
+ break;
+ case ISCSI_BOOT_ETH_MAC:
+ rc = beiscsi_get_macaddr(str, phba);
+ break;
+ }
+ return rc;
+}
+
+
+static umode_t beiscsi_tgt_get_attr_visibility(void *data, int type)
+{
+ umode_t rc = 0;
+
+ switch (type) {
+ case ISCSI_BOOT_TGT_NAME:
+ case ISCSI_BOOT_TGT_IP_ADDR:
+ case ISCSI_BOOT_TGT_PORT:
+ case ISCSI_BOOT_TGT_CHAP_NAME:
+ case ISCSI_BOOT_TGT_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+ case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+ case ISCSI_BOOT_TGT_NIC_ASSOC:
+ case ISCSI_BOOT_TGT_FLAGS:
+ rc = S_IRUGO;
+ break;
+ }
+ return rc;
+}
+
+static umode_t beiscsi_ini_get_attr_visibility(void *data, int type)
+{
+ umode_t rc = 0;
+
+ switch (type) {
+ case ISCSI_BOOT_INI_INITIATOR_NAME:
+ rc = S_IRUGO;
+ break;
+ }
+ return rc;
+}
+
+
+static umode_t beiscsi_eth_get_attr_visibility(void *data, int type)
+{
+ umode_t rc = 0;
+
+ switch (type) {
+ case ISCSI_BOOT_ETH_FLAGS:
+ case ISCSI_BOOT_ETH_MAC:
+ case ISCSI_BOOT_ETH_INDEX:
+ rc = S_IRUGO;
+ break;
+ }
+ return rc;
+}
+
+static void beiscsi_boot_kobj_release(void *data)
+{
+ struct beiscsi_hba *phba = data;
+
+ scsi_host_put(phba->shost);
+}
+
+static int beiscsi_boot_create_kset(struct beiscsi_hba *phba)
+{
+ struct boot_struct *bs = &phba->boot_struct;
+ struct iscsi_boot_kobj *boot_kobj;
+
+ if (bs->boot_kset) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BM_%d: boot_kset already created\n");
+ return 0;
+ }
+
+ bs->boot_kset = iscsi_boot_create_host_kset(phba->shost->host_no);
+ if (!bs->boot_kset) {
+ __beiscsi_log(phba, KERN_ERR,
+ "BM_%d: boot_kset alloc failed\n");
+ return -ENOMEM;
+ }
+
+ /* get shost ref because the show function will refer phba */
+ if (!scsi_host_get(phba->shost))
+ goto free_kset;
+
+ boot_kobj = iscsi_boot_create_target(bs->boot_kset, 0, phba,
+ beiscsi_show_boot_tgt_info,
+ beiscsi_tgt_get_attr_visibility,
+ beiscsi_boot_kobj_release);
+ if (!boot_kobj)
+ goto put_shost;
+
+ if (!scsi_host_get(phba->shost))
+ goto free_kset;
+
+ boot_kobj = iscsi_boot_create_initiator(bs->boot_kset, 0, phba,
+ beiscsi_show_boot_ini_info,
+ beiscsi_ini_get_attr_visibility,
+ beiscsi_boot_kobj_release);
+ if (!boot_kobj)
+ goto put_shost;
+
+ if (!scsi_host_get(phba->shost))
+ goto free_kset;
+
+ boot_kobj = iscsi_boot_create_ethernet(bs->boot_kset, 0, phba,
+ beiscsi_show_boot_eth_info,
+ beiscsi_eth_get_attr_visibility,
+ beiscsi_boot_kobj_release);
+ if (!boot_kobj)
+ goto put_shost;
+
+ return 0;
+
+put_shost:
+ scsi_host_put(phba->shost);
+free_kset:
+ iscsi_boot_destroy_kset(bs->boot_kset);
+ bs->boot_kset = NULL;
+ return -ENOMEM;
+}
+
+static void beiscsi_boot_work(struct work_struct *work)
+{
+ struct beiscsi_hba *phba =
+ container_of(work, struct beiscsi_hba, boot_work);
+ struct boot_struct *bs = &phba->boot_struct;
+ unsigned int tag = 0;
+
+ if (beiscsi_hba_in_error(phba))
+ return;
+
+ beiscsi_log(phba, KERN_INFO,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BM_%d : %s action %d\n",
+ __func__, phba->boot_struct.action);
+
+ switch (phba->boot_struct.action) {
+ case BEISCSI_BOOT_REOPEN_SESS:
+ tag = beiscsi_boot_reopen_sess(phba);
+ break;
+ case BEISCSI_BOOT_GET_SHANDLE:
+ tag = __beiscsi_boot_get_shandle(phba, 1);
+ break;
+ case BEISCSI_BOOT_GET_SINFO:
+ tag = beiscsi_boot_get_sinfo(phba);
+ break;
+ case BEISCSI_BOOT_LOGOUT_SESS:
+ tag = beiscsi_boot_logout_sess(phba);
+ break;
+ case BEISCSI_BOOT_CREATE_KSET:
+ beiscsi_boot_create_kset(phba);
+ /**
+ * updated boot_kset is made visible to all before
+ * ending the boot work.
+ */
+ mb();
+ clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
+ return;
+ }
+ if (!tag) {
+ if (bs->retry--)
+ schedule_work(&phba->boot_work);
+ else
+ clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
+ }
+}
+
static void be_eqd_update(struct beiscsi_hba *phba)
{
struct be_set_eqd set_eqd[MAX_CPUS];
}
}
-static void be_check_boot_session(struct beiscsi_hba *phba)
-{
- if (beiscsi_hba_in_error(phba))
- return;
-
- if (beiscsi_setup_boot_info(phba))
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
- "BM_%d : Could not set up "
- "iSCSI boot info on async event.\n");
-}
-
/*
* beiscsi_hw_health_check()- Check adapter health
* @work: work item to check HW health
be_eqd_update(phba);
- if (test_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state)) {
- if ((phba->get_boot > 0) && (!phba->boot_kset)) {
- phba->get_boot--;
- if (!(phba->get_boot % BE_GET_BOOT_TO))
- be_check_boot_session(phba);
- } else {
- clear_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state);
- phba->get_boot = 0;
- }
- }
-
beiscsi_ue_detect(phba);
schedule_delayed_work(&phba->beiscsi_hw_check_task,
struct hwi_controller *phwi_ctrlr;
struct hwi_context_memory *phwi_context;
struct be_eq_obj *pbe_eq;
+ unsigned int s_handle;
int ret = 0, i;
ret = beiscsi_enable_pci(pcidev);
if (iscsi_host_add(phba->shost, &phba->pcidev->dev))
goto free_blkenbld;
- if (beiscsi_setup_boot_info(phba))
- /*
- * log error but continue, because we may not be using
- * iscsi boot.
+ INIT_WORK(&phba->boot_work, beiscsi_boot_work);
+ ret = beiscsi_boot_get_shandle(phba, &s_handle);
+ if (ret > 0) {
+ beiscsi_start_boot_work(phba, s_handle);
+ /**
+ * Set this bit after starting the work to let
+ * probe handle it first.
+ * ASYNC event can too schedule this work.
*/
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
- "BM_%d : Could not set up "
- "iSCSI boot info.\n");
+ set_bit(BEISCSI_HBA_BOOT_FOUND, &phba->state);
+ }
beiscsi_iface_create_default(phba);
schedule_delayed_work(&phba->beiscsi_hw_check_task,
#define MAX_CMD_SZ 65536
#define IIOC_SCSI_DATA 0x05 /* Write Operation */
-#define INVALID_SESS_HANDLE 0xFFFFFFFF
-
-#define BE_GET_BOOT_RETRIES 45
-#define BE_GET_BOOT_TO 20
-
/**
* hardware needs the async PDU buffers to be posted in multiples of 8
* So have atleast 8 of them by default
struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
struct iscsi_endpoint **ep_array;
struct beiscsi_conn **conn_table;
- struct iscsi_boot_kset *boot_kset;
struct Scsi_Host *shost;
struct iscsi_iface *ipv4_iface;
struct iscsi_iface *ipv6_iface;
#define BEISCSI_HBA_RUNNING 0
#define BEISCSI_HBA_LINK_UP 1
#define BEISCSI_HBA_BOOT_FOUND 2
-#define BEISCSI_HBA_PCI_ERR 3
-#define BEISCSI_HBA_FW_TIMEOUT 4
-#define BEISCSI_HBA_IN_UE 5
+#define BEISCSI_HBA_BOOT_WORK 3
+#define BEISCSI_HBA_PCI_ERR 4
+#define BEISCSI_HBA_FW_TIMEOUT 5
+#define BEISCSI_HBA_IN_UE 6
/* error bits */
#define BEISCSI_HBA_IN_ERR ((1 << BEISCSI_HBA_PCI_ERR) | \
(1 << BEISCSI_HBA_FW_TIMEOUT) | \
(1 << BEISCSI_HBA_IN_UE))
u8 optic_state;
- int get_boot;
struct delayed_work beiscsi_hw_check_task;
bool mac_addr_set;
struct be_ctrl_info ctrl;
unsigned int generation;
unsigned int interface_handle;
- struct mgmt_session_info boot_sess;
struct invalidate_command_table inv_tbl[128];
struct be_aic_obj aic_obj[MAX_CPUS];
struct scatterlist *sg,
uint32_t num_sg, uint32_t xferlen,
uint32_t writedir);
+ struct boot_struct {
+ int retry;
+ unsigned int tag;
+ unsigned int s_handle;
+ struct be_dma_mem nonemb_cmd;
+ enum {
+ BEISCSI_BOOT_REOPEN_SESS = 1,
+ BEISCSI_BOOT_GET_SHANDLE,
+ BEISCSI_BOOT_GET_SINFO,
+ BEISCSI_BOOT_LOGOUT_SESS,
+ BEISCSI_BOOT_CREATE_KSET,
+ } action;
+ struct mgmt_session_info boot_sess;
+ struct iscsi_boot_kset *boot_kset;
+ } boot_struct;
+ struct work_struct boot_work;
};
#define beiscsi_hba_in_error(phba) ((phba)->state & BEISCSI_HBA_IN_ERR)
struct hwi_async_pdu_context *pasync_ctx[BEISCSI_ULP_COUNT];
};
+void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle);
+
/* Logging related definitions */
#define BEISCSI_LOG_INIT 0x0001 /* Initialization events */
#define BEISCSI_LOG_MBOX 0x0002 /* Mailbox Events */
return tag;
}
-/**
- * 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
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;
}
/**
(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;
-}
int beiscsi_if_en_static(struct beiscsi_hba *phba, u32 ip_type,
u8 *ip, u8 *subnet);
-unsigned int mgmt_get_boot_target(struct beiscsi_hba *phba);
-
-unsigned int mgmt_reopen_session(struct beiscsi_hba *phba,
- unsigned int reopen_type,
- unsigned sess_handle);
-
-unsigned int mgmt_get_session_info(struct beiscsi_hba *phba,
- u32 boot_session_handle,
- struct be_dma_mem *nonemb_cmd);
-
int mgmt_get_nic_conf(struct beiscsi_hba *phba,
struct be_cmd_get_nic_conf_resp *mac);
int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw);
-int be_mgmt_get_boot_shandle(struct beiscsi_hba *phba,
- unsigned int *s_handle);
-
unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba);
int beiscsi_if_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
+unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba);
+
+unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba);
+
+unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba);
+
+unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async);
+
+int beiscsi_boot_get_shandle(struct beiscsi_hba *phba, unsigned int *s_handle);
+
ssize_t beiscsi_drvr_ver_disp(struct device *dev,
struct device_attribute *attr, char *buf);
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff