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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/scsi/be2iscsi/be_cmds.c
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/scsi/be2iscsi/be_cmds.c')
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.c867
1 files changed, 412 insertions, 455 deletions
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 2778089b0..a55eaeea3 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -104,24 +104,16 @@ int be_chk_reset_complete(struct beiscsi_hba *phba)
return 0;
}
-void be_mcc_notify(struct beiscsi_hba *phba)
-{
- struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
- u32 val = 0;
-
- val |= mccq->id & DB_MCCQ_RING_ID_MASK;
- val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
- iowrite32(val, phba->db_va + DB_MCCQ_OFFSET);
-}
-
unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)
{
unsigned int tag = 0;
+ spin_lock(&phba->ctrl.mcc_lock);
if (phba->ctrl.mcc_tag_available) {
tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];
phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;
- phba->ctrl.mcc_numtag[tag] = 0;
+ phba->ctrl.mcc_tag_status[tag] = 0;
+ phba->ctrl.ptag_state[tag].tag_state = 0;
}
if (tag) {
phba->ctrl.mcc_tag_available--;
@@ -130,11 +122,89 @@ unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)
else
phba->ctrl.mcc_alloc_index++;
}
+ spin_unlock(&phba->ctrl.mcc_lock);
return tag;
}
+struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
+ unsigned int *ref_tag)
+{
+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+ struct be_mcc_wrb *wrb = NULL;
+ unsigned int tag;
+
+ spin_lock_bh(&phba->ctrl.mcc_lock);
+ if (mccq->used == mccq->len) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT |
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : MCC queue full: WRB used %u tag avail %u\n",
+ mccq->used, phba->ctrl.mcc_tag_available);
+ goto alloc_failed;
+ }
+
+ if (!phba->ctrl.mcc_tag_available)
+ goto alloc_failed;
+
+ tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];
+ if (!tag) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT |
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : MCC tag 0 allocated: tag avail %u alloc index %u\n",
+ phba->ctrl.mcc_tag_available,
+ phba->ctrl.mcc_alloc_index);
+ goto alloc_failed;
+ }
+
+ /* return this tag for further reference */
+ *ref_tag = tag;
+ 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.mcc_tag_available--;
+ if (phba->ctrl.mcc_alloc_index == (MAX_MCC_CMD - 1))
+ phba->ctrl.mcc_alloc_index = 0;
+ else
+ phba->ctrl.mcc_alloc_index++;
+
+ wrb = queue_head_node(mccq);
+ memset(wrb, 0, sizeof(*wrb));
+ wrb->tag0 = tag;
+ wrb->tag0 |= (mccq->head << MCC_Q_WRB_IDX_SHIFT) & MCC_Q_WRB_IDX_MASK;
+ queue_head_inc(mccq);
+ mccq->used++;
+
+alloc_failed:
+ spin_unlock_bh(&phba->ctrl.mcc_lock);
+ return wrb;
+}
+
+void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag)
+{
+ struct be_queue_info *mccq = &ctrl->mcc_obj.q;
+
+ spin_lock_bh(&ctrl->mcc_lock);
+ tag = tag & MCC_Q_CMD_TAG_MASK;
+ ctrl->mcc_tag[ctrl->mcc_free_index] = tag;
+ if (ctrl->mcc_free_index == (MAX_MCC_CMD - 1))
+ ctrl->mcc_free_index = 0;
+ else
+ ctrl->mcc_free_index++;
+ ctrl->mcc_tag_available++;
+ mccq->used--;
+ spin_unlock_bh(&ctrl->mcc_lock);
+}
+
+/**
+ * beiscsi_fail_session(): Closing session with appropriate error
+ * @cls_session: ptr to session
+ **/
+void beiscsi_fail_session(struct iscsi_cls_session *cls_session)
+{
+ iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+}
+
/*
- * beiscsi_mccq_compl()- Wait for completion of MBX
+ * beiscsi_mccq_compl_wait()- Process completion in MCC CQ
* @phba: Driver private structure
* @tag: Tag for the MBX Command
* @wrb: the WRB used for the MBX Command
@@ -146,43 +216,40 @@ unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)
* Success: 0
* Failure: Non-Zero
**/
-int beiscsi_mccq_compl(struct beiscsi_hba *phba,
- uint32_t tag, struct be_mcc_wrb **wrb,
- struct be_dma_mem *mbx_cmd_mem)
+int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
+ uint32_t tag, struct be_mcc_wrb **wrb,
+ struct be_dma_mem *mbx_cmd_mem)
{
int rc = 0;
- uint32_t mcc_tag_response;
+ 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_error(phba)) {
- free_mcc_tag(&phba->ctrl, tag);
+ if (beiscsi_error(phba))
return -EPERM;
- }
-
- /* Set MBX Tag state to Active */
- spin_lock(&phba->ctrl.mbox_lock);
- phba->ctrl.ptag_state[tag].tag_state = MCC_TAG_STATE_RUNNING;
- spin_unlock(&phba->ctrl.mbox_lock);
/* wait for the mccq completion */
rc = wait_event_interruptible_timeout(
phba->ctrl.mcc_wait[tag],
- phba->ctrl.mcc_numtag[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.
+ */
if (rc <= 0) {
struct be_dma_mem *tag_mem;
- /* Set MBX Tag state to timeout */
- spin_lock(&phba->ctrl.mbox_lock);
- phba->ctrl.ptag_state[tag].tag_state = MCC_TAG_STATE_TIMEOUT;
- spin_unlock(&phba->ctrl.mbox_lock);
- /* Store resource addr to be freed later */
+ /**
+ * PCI/DMA memory allocated and posted in non-embedded mode
+ * will have mbx_cmd_mem != NULL.
+ * Save virtual and bus addresses for the command so that it
+ * can be freed later.
+ **/
tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
if (mbx_cmd_mem) {
tag_mem->size = mbx_cmd_mem->size;
@@ -191,28 +258,28 @@ int beiscsi_mccq_compl(struct beiscsi_hba *phba,
} else
tag_mem->size = 0;
+ /* first make tag_mem_state visible to all */
+ wmb();
+ set_bit(MCC_TAG_STATE_TIMEOUT,
+ &phba->ctrl.ptag_state[tag].tag_state);
+
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_EH |
BEISCSI_LOG_CONFIG,
"BC_%d : MBX Cmd Completion timed out\n");
return -EBUSY;
- } else {
- rc = 0;
- /* Set MBX Tag state to completed */
- spin_lock(&phba->ctrl.mbox_lock);
- phba->ctrl.ptag_state[tag].tag_state = MCC_TAG_STATE_COMPLETED;
- spin_unlock(&phba->ctrl.mbox_lock);
}
- mcc_tag_response = phba->ctrl.mcc_numtag[tag];
- status = (mcc_tag_response & CQE_STATUS_MASK);
- addl_status = ((mcc_tag_response & CQE_STATUS_ADDL_MASK) >>
+ 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_response & CQE_STATUS_WRB_MASK) >>
+ 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);
@@ -231,7 +298,7 @@ int beiscsi_mccq_compl(struct beiscsi_hba *phba,
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,
@@ -241,70 +308,16 @@ int beiscsi_mccq_compl(struct beiscsi_hba *phba,
"Resp_Len : %d Actual_Resp_Len : %d\n",
mbx_resp_hdr->response_length,
mbx_resp_hdr->actual_resp_len);
-
rc = -EAGAIN;
- goto release_mcc_tag;
}
- rc = -EIO;
}
-release_mcc_tag:
- /* Release the MCC entry */
- free_mcc_tag(&phba->ctrl, tag);
-
+ free_mcc_wrb(&phba->ctrl, tag);
return rc;
}
-void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag)
-{
- spin_lock(&ctrl->mbox_lock);
- tag = tag & 0x000000FF;
- ctrl->mcc_tag[ctrl->mcc_free_index] = tag;
- if (ctrl->mcc_free_index == (MAX_MCC_CMD - 1))
- ctrl->mcc_free_index = 0;
- else
- ctrl->mcc_free_index++;
- ctrl->mcc_tag_available++;
- spin_unlock(&ctrl->mbox_lock);
-}
-
-bool is_link_state_evt(u32 trailer)
-{
- return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
- ASYNC_TRAILER_EVENT_CODE_MASK) ==
- ASYNC_EVENT_CODE_LINK_STATE);
-}
-
-static bool is_iscsi_evt(u32 trailer)
-{
- return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
- ASYNC_TRAILER_EVENT_CODE_MASK) ==
- ASYNC_EVENT_CODE_ISCSI;
-}
-
-static int iscsi_evt_type(u32 trailer)
-{
- return (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
- ASYNC_TRAILER_EVENT_TYPE_MASK;
-}
-
-static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
-{
- if (compl->flags != 0) {
- compl->flags = le32_to_cpu(compl->flags);
- WARN_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
- return true;
- } else
- return false;
-}
-
-static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
-{
- compl->flags = 0;
-}
-
/*
- * be_mcc_compl_process()- Check the MBX comapletion status
+ * beiscsi_process_mbox_compl()- Check the MBX completion status
* @ctrl: Function specific MBX data structure
* @compl: Completion status of MBX Command
*
@@ -314,8 +327,8 @@ static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
* Success: Zero
* Failure: Non-Zero
**/
-static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
- struct be_mcc_compl *compl)
+static int beiscsi_process_mbox_compl(struct be_ctrl_info *ctrl,
+ struct be_mcc_compl *compl)
{
u16 compl_status, extd_status;
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
@@ -323,206 +336,228 @@ static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
struct be_cmd_req_hdr *hdr = embedded_payload(wrb);
struct be_cmd_resp_hdr *resp_hdr;
- be_dws_le_to_cpu(compl, 4);
-
- compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
- CQE_STATUS_COMPL_MASK;
- if (compl_status != MCC_STATUS_SUCCESS) {
- extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
- CQE_STATUS_EXTD_MASK;
-
+ /**
+ * To check if valid bit is set, check the entire word as we don't know
+ * the endianness of the data (old entry is host endian while a new
+ * entry is little endian)
+ */
+ if (!compl->flags) {
beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : error in cmd completion: "
- "Subsystem : %d Opcode : %d "
- "status(compl/extd)=%d/%d\n",
- hdr->subsystem, hdr->opcode,
- compl_status, extd_status);
-
- if (compl_status == MCC_STATUS_INSUFFICIENT_BUFFER) {
- resp_hdr = (struct be_cmd_resp_hdr *) hdr;
- if (resp_hdr->response_length)
- return 0;
- }
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : BMBX busy, no completion\n");
return -EBUSY;
}
- return 0;
-}
-
-int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
- struct be_mcc_compl *compl)
-{
- struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
- u16 compl_status, extd_status;
- unsigned short tag;
+ compl->flags = le32_to_cpu(compl->flags);
+ WARN_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
+ /**
+ * Just swap the status to host endian;
+ * mcc tag is opaquely copied from mcc_wrb.
+ */
be_dws_le_to_cpu(compl, 4);
-
compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
- CQE_STATUS_COMPL_MASK;
- /* The ctrl.mcc_numtag[tag] is filled with
- * [31] = valid, [30:24] = Rsvd, [23:16] = wrb, [15:8] = extd_status,
- * [7:0] = compl_status
- */
- tag = (compl->tag0 & 0x000000FF);
+ CQE_STATUS_COMPL_MASK;
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
- CQE_STATUS_EXTD_MASK;
+ CQE_STATUS_EXTD_MASK;
+ /* Need to reset the entire word that houses the valid bit */
+ compl->flags = 0;
- ctrl->mcc_numtag[tag] = 0x80000000;
- ctrl->mcc_numtag[tag] |= (compl->tag0 & 0x00FF0000);
- ctrl->mcc_numtag[tag] |= (extd_status & 0x000000FF) << 8;
- ctrl->mcc_numtag[tag] |= (compl_status & 0x000000FF);
+ if (compl_status == MCC_STATUS_SUCCESS)
+ return 0;
- if (ctrl->ptag_state[tag].tag_state == MCC_TAG_STATE_RUNNING) {
- wake_up_interruptible(&ctrl->mcc_wait[tag]);
- } else if (ctrl->ptag_state[tag].tag_state == MCC_TAG_STATE_TIMEOUT) {
- struct be_dma_mem *tag_mem;
- tag_mem = &ctrl->ptag_state[tag].tag_mem_state;
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : error in cmd completion: Subsystem : %d Opcode : %d status(compl/extd)=%d/%d\n",
+ hdr->subsystem, hdr->opcode, compl_status, extd_status);
- beiscsi_log(phba, KERN_WARNING,
- BEISCSI_LOG_MBOX | BEISCSI_LOG_INIT |
- BEISCSI_LOG_CONFIG,
- "BC_%d : MBX Completion for timeout Command "
- "from FW\n");
- /* Check if memory needs to be freed */
- if (tag_mem->size)
- pci_free_consistent(ctrl->pdev, tag_mem->size,
- tag_mem->va, tag_mem->dma);
-
- /* Change tag state */
- spin_lock(&phba->ctrl.mbox_lock);
- ctrl->ptag_state[tag].tag_state = MCC_TAG_STATE_COMPLETED;
- spin_unlock(&phba->ctrl.mbox_lock);
-
- /* Free MCC Tag */
- free_mcc_tag(ctrl, tag);
+ if (compl_status == MCC_STATUS_INSUFFICIENT_BUFFER) {
+ /* if status is insufficient buffer, check the length */
+ resp_hdr = (struct be_cmd_resp_hdr *) hdr;
+ if (resp_hdr->response_length)
+ return 0;
}
-
- return 0;
+ return -EINVAL;
}
-static struct be_mcc_compl *be_mcc_compl_get(struct beiscsi_hba *phba)
+static void beiscsi_process_async_link(struct beiscsi_hba *phba,
+ struct be_mcc_compl *compl)
{
- struct be_queue_info *mcc_cq = &phba->ctrl.mcc_obj.cq;
- struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
+ struct be_async_event_link_state *evt;
+
+ evt = (struct be_async_event_link_state *)compl;
- if (be_mcc_compl_is_new(compl)) {
- queue_tail_inc(mcc_cq);
- return compl;
+ phba->port_speed = evt->port_speed;
+ /**
+ * Check logical link status in ASYNC event.
+ * This has been newly introduced in SKH-R Firmware 10.0.338.45.
+ **/
+ if (evt->port_link_status & BE_ASYNC_LINK_UP_MASK) {
+ phba->state = BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT;
+ phba->get_boot = BE_GET_BOOT_RETRIES;
+ __beiscsi_log(phba, KERN_ERR,
+ "BC_%d : Link Up on Port %d tag 0x%x\n",
+ evt->physical_port, evt->event_tag);
+ } else {
+ phba->state = BE_ADAPTER_LINK_DOWN;
+ __beiscsi_log(phba, KERN_ERR,
+ "BC_%d : Link Down on Port %d tag 0x%x\n",
+ evt->physical_port, evt->event_tag);
+ iscsi_host_for_each_session(phba->shost,
+ beiscsi_fail_session);
}
- return NULL;
}
-/**
- * be2iscsi_fail_session(): Closing session with appropriate error
- * @cls_session: ptr to session
- *
- * Depending on adapter state appropriate error flag is passed.
- **/
-void be2iscsi_fail_session(struct iscsi_cls_session *cls_session)
+static char *beiscsi_port_misconf_event_msg[] = {
+ "Physical Link is functional.",
+ "Optics faulted/incorrectly installed/not installed - Reseat optics, if issue not resolved, replace.",
+ "Optics of two types installed - Remove one optic or install matching pair of optics.",
+ "Incompatible optics - Replace with compatible optics for card to function.",
+ "Unqualified optics - Replace with Avago optics for Warranty and Technical Support.",
+ "Uncertified optics - Replace with Avago Certified optics to enable link operation."
+};
+
+static void beiscsi_process_async_sli(struct beiscsi_hba *phba,
+ struct be_mcc_compl *compl)
{
- struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
- struct beiscsi_hba *phba = iscsi_host_priv(shost);
- uint32_t iscsi_err_flag;
+ struct be_async_event_sli *async_sli;
+ u8 evt_type, state, old_state, le;
+ char *sev = KERN_WARNING;
+ char *msg = NULL;
+
+ evt_type = compl->flags >> ASYNC_TRAILER_EVENT_TYPE_SHIFT;
+ evt_type &= ASYNC_TRAILER_EVENT_TYPE_MASK;
+
+ /* processing only MISCONFIGURED physical port event */
+ if (evt_type != ASYNC_SLI_EVENT_TYPE_MISCONFIGURED)
+ return;
+
+ async_sli = (struct be_async_event_sli *)compl;
+ state = async_sli->event_data1 >>
+ (phba->fw_config.phys_port * 8) & 0xff;
+ le = async_sli->event_data2 >>
+ (phba->fw_config.phys_port * 8) & 0xff;
+
+ old_state = phba->optic_state;
+ phba->optic_state = state;
+
+ if (state >= ARRAY_SIZE(beiscsi_port_misconf_event_msg)) {
+ /* fw is reporting a state we don't know, log and return */
+ __beiscsi_log(phba, KERN_ERR,
+ "BC_%d : Port %c: Unrecognized optic state 0x%x\n",
+ phba->port_name, async_sli->event_data1);
+ return;
+ }
- if (phba->state & BE_ADAPTER_STATE_SHUTDOWN)
- iscsi_err_flag = ISCSI_ERR_INVALID_HOST;
- else
- iscsi_err_flag = ISCSI_ERR_CONN_FAILED;
+ if (ASYNC_SLI_LINK_EFFECT_VALID(le)) {
+ /* log link effect for unqualified-4, uncertified-5 optics */
+ if (state > 3)
+ msg = (ASYNC_SLI_LINK_EFFECT_STATE(le)) ?
+ " Link is non-operational." :
+ " Link is operational.";
+ /* 1 - info */
+ if (ASYNC_SLI_LINK_EFFECT_SEV(le) == 1)
+ sev = KERN_INFO;
+ /* 2 - error */
+ if (ASYNC_SLI_LINK_EFFECT_SEV(le) == 2)
+ sev = KERN_ERR;
+ }
- iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+ if (old_state != phba->optic_state)
+ __beiscsi_log(phba, sev, "BC_%d : Port %c: %s%s\n",
+ phba->port_name,
+ beiscsi_port_misconf_event_msg[state],
+ !msg ? "" : msg);
}
-void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
- struct be_async_event_link_state *evt)
+void beiscsi_process_async_event(struct beiscsi_hba *phba,
+ struct be_mcc_compl *compl)
{
- if ((evt->port_link_status == ASYNC_EVENT_LINK_DOWN) ||
- ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
- (evt->port_fault != BEISCSI_PHY_LINK_FAULT_NONE))) {
- phba->state = BE_ADAPTER_LINK_DOWN;
-
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
- "BC_%d : Link Down on Port %d\n",
- evt->physical_port);
-
- iscsi_host_for_each_session(phba->shost,
- be2iscsi_fail_session);
- } else if ((evt->port_link_status & ASYNC_EVENT_LINK_UP) ||
- ((evt->port_link_status & ASYNC_EVENT_LOGICAL) &&
- (evt->port_fault == BEISCSI_PHY_LINK_FAULT_NONE))) {
- phba->state = BE_ADAPTER_LINK_UP | BE_ADAPTER_CHECK_BOOT;
+ char *sev = KERN_INFO;
+ u8 evt_code;
+
+ /* interpret flags as an async trailer */
+ evt_code = compl->flags >> ASYNC_TRAILER_EVENT_CODE_SHIFT;
+ evt_code &= ASYNC_TRAILER_EVENT_CODE_MASK;
+ switch (evt_code) {
+ case ASYNC_EVENT_CODE_LINK_STATE:
+ beiscsi_process_async_link(phba, compl);
+ break;
+ case ASYNC_EVENT_CODE_ISCSI:
+ phba->state |= BE_ADAPTER_CHECK_BOOT;
phba->get_boot = BE_GET_BOOT_RETRIES;
-
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
- "BC_%d : Link UP on Port %d\n",
- evt->physical_port);
+ sev = KERN_ERR;
+ break;
+ case ASYNC_EVENT_CODE_SLI:
+ beiscsi_process_async_sli(phba, compl);
+ break;
+ default:
+ /* event not registered */
+ sev = KERN_ERR;
}
+
+ beiscsi_log(phba, sev, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : ASYNC Event %x: status 0x%08x flags 0x%08x\n",
+ evt_code, compl->status, compl->flags);
}
-int beiscsi_process_mcc(struct beiscsi_hba *phba)
+int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
+ struct be_mcc_compl *compl)
{
- struct be_mcc_compl *compl;
- int num = 0, status = 0;
- struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
+ u16 compl_status, extd_status;
+ struct be_dma_mem *tag_mem;
+ unsigned int tag, wrb_idx;
- spin_lock_bh(&phba->ctrl.mcc_cq_lock);
- while ((compl = be_mcc_compl_get(phba))) {
- if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
- /* Interpret flags as an async trailer */
- if (is_link_state_evt(compl->flags))
- /* Interpret compl as a async link evt */
- beiscsi_async_link_state_process(phba,
- (struct be_async_event_link_state *) compl);
- else if (is_iscsi_evt(compl->flags)) {
- switch (iscsi_evt_type(compl->flags)) {
- case ASYNC_EVENT_NEW_ISCSI_TGT_DISC:
- case ASYNC_EVENT_NEW_ISCSI_CONN:
- case ASYNC_EVENT_NEW_TCP_CONN:
- phba->state |= BE_ADAPTER_CHECK_BOOT;
- phba->get_boot = BE_GET_BOOT_RETRIES;
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG |
- BEISCSI_LOG_MBOX,
- "BC_%d : Async iscsi Event,"
- " flags handled = 0x%08x\n",
- compl->flags);
- break;
- default:
- phba->state |= BE_ADAPTER_CHECK_BOOT;
- phba->get_boot = BE_GET_BOOT_RETRIES;
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG |
- BEISCSI_LOG_MBOX,
- "BC_%d : Unsupported Async"
- " Event, flags = 0x%08x\n",
- compl->flags);
- }
- } else
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG |
- BEISCSI_LOG_MBOX,
- "BC_%d : Unsupported Async Event, flags"
- " = 0x%08x\n", compl->flags);
-
- } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
- status = be_mcc_compl_process(ctrl, compl);
- atomic_dec(&phba->ctrl.mcc_obj.q.used);
- }
- be_mcc_compl_use(compl);
- num++;
+ be_dws_le_to_cpu(compl, 4);
+ tag = (compl->tag0 & MCC_Q_CMD_TAG_MASK);
+ wrb_idx = (compl->tag0 & CQE_STATUS_WRB_MASK) >> CQE_STATUS_WRB_SHIFT;
+
+ if (!test_bit(MCC_TAG_STATE_RUNNING,
+ &ctrl->ptag_state[tag].tag_state)) {
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_MBOX |
+ BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
+ "BC_%d : MBX cmd completed but not posted\n");
+ return 0;
}
- if (num)
- hwi_ring_cq_db(phba, phba->ctrl.mcc_obj.cq.id, num, 1, 0);
+ if (test_bit(MCC_TAG_STATE_TIMEOUT, &ctrl->ptag_state[tag].tag_state)) {
+ beiscsi_log(phba, KERN_WARNING,
+ BEISCSI_LOG_MBOX | BEISCSI_LOG_INIT |
+ BEISCSI_LOG_CONFIG,
+ "BC_%d : MBX Completion for timeout Command from FW\n");
+ /**
+ * Check for the size before freeing resource.
+ * Only for non-embedded cmd, PCI resource is allocated.
+ **/
+ tag_mem = &ctrl->ptag_state[tag].tag_mem_state;
+ if (tag_mem->size)
+ pci_free_consistent(ctrl->pdev, tag_mem->size,
+ tag_mem->va, tag_mem->dma);
+ free_mcc_wrb(ctrl, tag);
+ return 0;
+ }
- spin_unlock_bh(&phba->ctrl.mcc_cq_lock);
- return status;
+ compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
+ CQE_STATUS_COMPL_MASK;
+ extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
+ CQE_STATUS_EXTD_MASK;
+ /* The ctrl.mcc_tag_status[tag] is filled with
+ * [31] = valid, [30:24] = Rsvd, [23:16] = wrb, [15:8] = extd_status,
+ * [7:0] = compl_status
+ */
+ ctrl->mcc_tag_status[tag] = CQE_VALID_MASK;
+ ctrl->mcc_tag_status[tag] |= (wrb_idx << CQE_STATUS_WRB_SHIFT);
+ ctrl->mcc_tag_status[tag] |= (extd_status << CQE_STATUS_ADDL_SHIFT) &
+ 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);
+ wake_up_interruptible(&ctrl->mcc_wait[tag]);
+ return 0;
}
/*
- * be_mcc_wait_compl()- Wait for MBX completion
+ * be_mcc_compl_poll()- Wait for MBX completion
* @phba: driver private structure
*
* Wait till no more pending mcc requests are present
@@ -532,50 +567,57 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba)
* Failure: Non-Zero
*
**/
-static int be_mcc_wait_compl(struct beiscsi_hba *phba)
+int be_mcc_compl_poll(struct beiscsi_hba *phba, unsigned int tag)
{
- int i, status;
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ int i;
+
+ if (!test_bit(MCC_TAG_STATE_RUNNING,
+ &ctrl->ptag_state[tag].tag_state)) {
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d: tag %u state not running\n", tag);
+ return 0;
+ }
for (i = 0; i < mcc_timeout; i++) {
if (beiscsi_error(phba))
return -EIO;
- status = beiscsi_process_mcc(phba);
- if (status)
- return status;
-
- if (atomic_read(&phba->ctrl.mcc_obj.q.used) == 0)
+ beiscsi_process_mcc_cq(phba);
+ /* after polling, wrb and tag need to be released */
+ if (!test_bit(MCC_TAG_STATE_RUNNING,
+ &ctrl->ptag_state[tag].tag_state)) {
+ free_mcc_wrb(ctrl, tag);
break;
+ }
udelay(100);
}
- if (i == mcc_timeout) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : FW Timed Out\n");
- phba->fw_timeout = true;
- beiscsi_ue_detect(phba);
- return -EBUSY;
- }
- return 0;
+
+ if (i < mcc_timeout)
+ return 0;
+
+ beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : FW Timed Out\n");
+ phba->fw_timeout = true;
+ beiscsi_ue_detect(phba);
+ return -EBUSY;
}
-/*
- * be_mcc_notify_wait()- Notify and wait for Compl
- * @phba: driver private structure
- *
- * Notify MCC requests and wait for completion
- *
- * return
- * Success: 0
- * Failure: Non-Zero
- **/
-int be_mcc_notify_wait(struct beiscsi_hba *phba)
+void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag)
{
- be_mcc_notify(phba);
- return be_mcc_wait_compl(phba);
+ struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
+ u32 val = 0;
+
+ set_bit(MCC_TAG_STATE_RUNNING, &phba->ctrl.ptag_state[tag].tag_state);
+ val |= mccq->id & DB_MCCQ_RING_ID_MASK;
+ val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
+ /* make request available for DMA */
+ wmb();
+ iowrite32(val, phba->db_va + DB_MCCQ_OFFSET);
}
/*
- * be_mbox_db_ready_wait()- Check ready status
+ * be_mbox_db_ready_poll()- Check ready status
* @ctrl: Function specific MBX data structure
*
* Check for the ready status of FW to send BMBX
@@ -585,49 +627,45 @@ int be_mcc_notify_wait(struct beiscsi_hba *phba)
* Success: 0
* Failure: Non-Zero
**/
-static int be_mbox_db_ready_wait(struct be_ctrl_info *ctrl)
+static int be_mbox_db_ready_poll(struct be_ctrl_info *ctrl)
{
-#define BEISCSI_MBX_RDY_BIT_TIMEOUT 4000 /* 4sec */
+ /* wait 30s for generic non-flash MBOX operation */
+#define BEISCSI_MBX_RDY_BIT_TIMEOUT 30000
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
unsigned long timeout;
- bool read_flag = false;
- int ret = 0, i;
u32 ready;
- DECLARE_WAIT_QUEUE_HEAD_ONSTACK(rdybit_check_q);
- if (beiscsi_error(phba))
- return -EIO;
+ /*
+ * This BMBX busy wait path is used during init only.
+ * For the commands executed during init, 5s should suffice.
+ */
+ timeout = jiffies + msecs_to_jiffies(BEISCSI_MBX_RDY_BIT_TIMEOUT);
+ do {
+ if (beiscsi_error(phba))
+ return -EIO;
- timeout = jiffies + (HZ * 110);
+ ready = ioread32(db);
+ if (ready == 0xffffffff)
+ return -EIO;
- do {
- for (i = 0; i < BEISCSI_MBX_RDY_BIT_TIMEOUT; i++) {
- ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
- if (ready) {
- read_flag = true;
- break;
- }
- mdelay(1);
- }
+ ready &= MPU_MAILBOX_DB_RDY_MASK;
+ if (ready)
+ return 0;
- if (!read_flag) {
- wait_event_timeout(rdybit_check_q,
- (read_flag != true),
- HZ * 5);
- }
- } while ((time_before(jiffies, timeout)) && !read_flag);
+ if (time_after(jiffies, timeout))
+ break;
+ msleep(20);
+ } while (!ready);
- if (!read_flag) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : FW Timed Out\n");
- phba->fw_timeout = true;
- beiscsi_ue_detect(phba);
- ret = -EBUSY;
- }
+ beiscsi_log(phba, KERN_ERR,
+ BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
+ "BC_%d : FW Timed Out\n");
+
+ phba->fw_timeout = true;
+ beiscsi_ue_detect(phba);
- return ret;
+ return -EBUSY;
}
/*
@@ -648,10 +686,8 @@ int be_mbox_notify(struct be_ctrl_info *ctrl)
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
struct be_mcc_mailbox *mbox = mbox_mem->va;
- struct be_mcc_compl *compl = &mbox->compl;
- struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
- status = be_mbox_db_ready_wait(ctrl);
+ status = be_mbox_db_ready_poll(ctrl);
if (status)
return status;
@@ -660,7 +696,7 @@ int be_mbox_notify(struct be_ctrl_info *ctrl)
val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
iowrite32(val, db);
- status = be_mbox_db_ready_wait(ctrl);
+ status = be_mbox_db_ready_poll(ctrl);
if (status)
return status;
@@ -670,81 +706,15 @@ int be_mbox_notify(struct be_ctrl_info *ctrl)
val |= (u32) (mbox_mem->dma >> 4) << 2;
iowrite32(val, db);
- status = be_mbox_db_ready_wait(ctrl);
+ status = be_mbox_db_ready_poll(ctrl);
if (status)
return status;
- if (be_mcc_compl_is_new(compl)) {
- status = be_mcc_compl_process(ctrl, &mbox->compl);
- be_mcc_compl_use(compl);
- if (status) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : After be_mcc_compl_process\n");
-
- return status;
- }
- } else {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : Invalid Mailbox Completion\n");
-
- return -EBUSY;
- }
- return 0;
-}
-
-/*
- * Insert the mailbox address into the doorbell in two steps
- * Polls on the mbox doorbell till a command completion (or a timeout) occurs
- */
-static int be_mbox_notify_wait(struct beiscsi_hba *phba)
-{
- int status;
- u32 val = 0;
- void __iomem *db = phba->ctrl.db + MPU_MAILBOX_DB_OFFSET;
- struct be_dma_mem *mbox_mem = &phba->ctrl.mbox_mem;
- struct be_mcc_mailbox *mbox = mbox_mem->va;
- struct be_mcc_compl *compl = &mbox->compl;
- struct be_ctrl_info *ctrl = &phba->ctrl;
-
- status = be_mbox_db_ready_wait(ctrl);
- if (status)
- return status;
-
- val |= MPU_MAILBOX_DB_HI_MASK;
- /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
- val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
- iowrite32(val, db);
-
- /* wait for ready to be set */
- status = be_mbox_db_ready_wait(ctrl);
- if (status != 0)
- return status;
-
- val = 0;
- /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
- val |= (u32)(mbox_mem->dma >> 4) << 2;
- iowrite32(val, db);
+ /* RDY is set; small delay before CQE read. */
+ udelay(1);
- status = be_mbox_db_ready_wait(ctrl);
- if (status != 0)
- return status;
-
- /* A cq entry has been made now */
- if (be_mcc_compl_is_new(compl)) {
- status = be_mcc_compl_process(ctrl, &mbox->compl);
- be_mcc_compl_use(compl);
- if (status)
- return status;
- } else {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : invalid mailbox completion\n");
-
- return -EBUSY;
- }
- return 0;
+ status = beiscsi_process_mbox_compl(ctrl, &mbox->compl);
+ return status;
}
void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
@@ -809,21 +779,6 @@ struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
}
-struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba)
-{
- struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
- struct be_mcc_wrb *wrb;
-
- WARN_ON(atomic_read(&mccq->used) >= mccq->len);
- wrb = queue_head_node(mccq);
- memset(wrb, 0, sizeof(*wrb));
- wrb->tag0 = (mccq->head & 0x000000FF) << 16;
- queue_head_inc(mccq);
- atomic_inc(&mccq->used);
- return wrb;
-}
-
-
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay)
{
@@ -833,7 +788,7 @@ int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -860,7 +815,7 @@ int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -881,7 +836,7 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
int status;
u8 *endian_check;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
endian_check = (u8 *) wrb;
@@ -900,7 +855,7 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BC_%d : be_cmd_fw_initialize Failed\n");
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -921,7 +876,7 @@ int be_cmd_fw_uninit(struct be_ctrl_info *ctrl)
int status;
u8 *endian_check;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
endian_check = (u8 *) wrb;
@@ -941,7 +896,7 @@ int be_cmd_fw_uninit(struct be_ctrl_info *ctrl)
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BC_%d : be_cmd_fw_uninit Failed\n");
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -957,7 +912,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
void *ctxt = &req->context;
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1007,7 +962,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
"BC_%d : In be_cmd_cq_create, status=ox%08x\n",
status);
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1025,13 +980,13 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
struct be_queue_info *cq)
{
struct be_mcc_wrb *wrb;
- struct be_cmd_req_mcc_create *req;
+ struct be_cmd_req_mcc_create_ext *req;
struct be_dma_mem *q_mem = &mccq->dma_mem;
struct be_ctrl_info *ctrl;
void *ctxt;
int status;
- spin_lock(&phba->ctrl.mbox_lock);
+ mutex_lock(&phba->ctrl.mbox_lock);
ctrl = &phba->ctrl;
wrb = wrb_from_mbox(&ctrl->mbox_mem);
memset(wrb, 0, sizeof(*wrb));
@@ -1041,9 +996,12 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
- OPCODE_COMMON_MCC_CREATE, sizeof(*req));
+ OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
+ req->async_evt_bitmap = 1 << ASYNC_EVENT_CODE_LINK_STATE;
+ req->async_evt_bitmap |= 1 << ASYNC_EVENT_CODE_ISCSI;
+ req->async_evt_bitmap |= 1 << ASYNC_EVENT_CODE_SLI;
AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt,
PCI_FUNC(phba->pcidev->devfn));
@@ -1056,13 +1014,13 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
- status = be_mbox_notify_wait(phba);
+ status = be_mbox_notify(ctrl);
if (!status) {
struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
mccq->id = le16_to_cpu(resp->id);
mccq->created = true;
}
- spin_unlock(&phba->ctrl.mbox_lock);
+ mutex_unlock(&phba->ctrl.mbox_lock);
return status;
}
@@ -1080,7 +1038,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
"BC_%d : In beiscsi_cmd_q_destroy "
"queue_type : %d\n", queue_type);
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1110,7 +1068,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
opcode = OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES;
break;
default:
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
BUG();
return -ENXIO;
}
@@ -1120,7 +1078,7 @@ int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
status = be_mbox_notify(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1155,7 +1113,7 @@ int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
void *ctxt = &req->context;
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1227,7 +1185,7 @@ int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
defq_ring->doorbell_offset = resp->doorbell_offset;
}
}
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1255,7 +1213,7 @@ int be_cmd_wrbq_create(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1286,7 +1244,7 @@ int be_cmd_wrbq_create(struct be_ctrl_info *ctrl,
pwrb_context->doorbell_offset = resp->doorbell_offset;
}
}
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1297,7 +1255,7 @@ int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
struct be_post_template_pages_req *req = embedded_payload(wrb);
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1310,7 +1268,7 @@ int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_notify(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1320,7 +1278,7 @@ int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl)
struct be_remove_template_pages_req *req = embedded_payload(wrb);
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1331,7 +1289,7 @@ int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl)
req->type = BEISCSI_TEMPLATE_HDR_TYPE_ISCSI;
status = be_mbox_notify(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1350,7 +1308,7 @@ int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
if (num_pages == 0xff)
num_pages = 1;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
do {
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@@ -1379,7 +1337,7 @@ int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
}
} while (num_pages > 0);
error:
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
if (status != 0)
beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
return status;
@@ -1392,15 +1350,15 @@ int beiscsi_cmd_reset_function(struct beiscsi_hba *phba)
struct be_post_sgl_pages_req *req = embedded_payload(wrb);
int status;
- spin_lock(&ctrl->mbox_lock);
+ mutex_lock(&ctrl->mbox_lock);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
- status = be_mbox_notify_wait(phba);
+ status = be_mbox_notify(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ mutex_unlock(&ctrl->mbox_lock);
return status;
}
@@ -1417,21 +1375,20 @@ int beiscsi_cmd_reset_function(struct beiscsi_hba *phba)
int be_cmd_set_vlan(struct beiscsi_hba *phba,
uint16_t vlan_tag)
{
- unsigned int tag = 0;
+ unsigned int tag;
struct be_mcc_wrb *wrb;
struct be_cmd_set_vlan_req *req;
struct be_ctrl_info *ctrl = &phba->ctrl;
- spin_lock(&ctrl->mbox_lock);
- tag = alloc_mcc_tag(phba);
- if (!tag) {
- spin_unlock(&ctrl->mbox_lock);
- return tag;
+ if (mutex_lock_interruptible(&ctrl->mbox_lock))
+ return 0;
+ wrb = alloc_mcc_wrb(phba, &tag);
+ if (!wrb) {
+ mutex_unlock(&ctrl->mbox_lock);
+ return 0;
}
- wrb = wrb_from_mccq(phba);
req = embedded_payload(wrb);
- wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*wrb), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
OPCODE_COMMON_ISCSI_NTWK_SET_VLAN,
@@ -1440,8 +1397,8 @@ int be_cmd_set_vlan(struct beiscsi_hba *phba,
req->interface_hndl = phba->interface_handle;
req->vlan_priority = vlan_tag;
- be_mcc_notify(phba);
- spin_unlock(&ctrl->mbox_lock);
+ be_mcc_notify(phba, tag);
+ mutex_unlock(&ctrl->mbox_lock);
return tag;
}