/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2009-2010 Emulex. All rights reserved. *
+ * Copyright (C) 2009-2011 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/list.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
struct lpfc_bsg_mbox {
LPFC_MBOXQ_t *pmboxq;
MAILBOX_t *mb;
- struct lpfc_dmabuf *rxbmp; /* for BIU diags */
- struct lpfc_dmabufext *dmp; /* for BIU diags */
+ struct lpfc_dmabuf *dmabuffers; /* for BIU diags */
uint8_t *ext; /* extended mailbox data */
uint32_t mbOffset; /* from app */
uint32_t inExtWLen; /* from app */
struct lpfc_iocbq *cmdiocbq,
struct lpfc_iocbq *rspiocbq)
{
- unsigned long iflags;
struct bsg_job_data *dd_data;
struct fc_bsg_job *job;
IOCB_t *rsp;
int rc = 0;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
- dd_data = cmdiocbq->context1;
+ dd_data = cmdiocbq->context2;
if (!dd_data) {
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ lpfc_sli_release_iocbq(phba, cmdiocbq);
return;
}
job = iocb->set_job;
job->dd_data = NULL; /* so timeout handler does not reply */
- spin_lock_irqsave(&phba->hbalock, iflags);
- cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
- if (cmdiocbq->context2 && rspiocbq)
- memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
- &rspiocbq->iocb, sizeof(IOCB_t));
- spin_unlock_irqrestore(&phba->hbalock, iflags);
-
bmp = iocb->bmp;
- rspiocbq = iocb->rspiocbq;
rsp = &rspiocbq->iocb;
- ndlp = iocb->ndlp;
+ ndlp = cmdiocbq->context1;
pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
rsp->un.genreq64.bdl.bdeSize;
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
- lpfc_sli_release_iocbq(phba, rspiocbq);
lpfc_sli_release_iocbq(phba, cmdiocbq);
lpfc_nlp_put(ndlp);
kfree(bmp);
struct ulp_bde64 *bpl = NULL;
uint32_t timeout;
struct lpfc_iocbq *cmdiocbq = NULL;
- struct lpfc_iocbq *rspiocbq = NULL;
IOCB_t *cmd;
- IOCB_t *rsp;
struct lpfc_dmabuf *bmp = NULL;
int request_nseg;
int reply_nseg;
struct bsg_job_data *dd_data;
uint32_t creg_val;
int rc = 0;
+ int iocb_stat;
/* in case no data is transferred */
job->reply->reply_payload_rcv_len = 0;
}
cmd = &cmdiocbq->iocb;
- rspiocbq = lpfc_sli_get_iocbq(phba);
- if (!rspiocbq) {
- rc = -ENOMEM;
- goto free_cmdiocbq;
- }
-
- rsp = &rspiocbq->iocb;
bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
if (!bmp->virt) {
rc = -ENOMEM;
- goto free_rspiocbq;
+ goto free_cmdiocbq;
}
INIT_LIST_HEAD(&bmp->list);
cmd->ulpLe = 1;
cmd->ulpClass = CLASS3;
cmd->ulpContext = ndlp->nlp_rpi;
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ cmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
cmd->ulpOwner = OWN_CHIP;
cmdiocbq->vport = phba->pport;
cmdiocbq->context3 = bmp;
cmd->ulpTimeout = timeout;
cmdiocbq->iocb_cmpl = lpfc_bsg_send_mgmt_cmd_cmp;
- cmdiocbq->context1 = dd_data;
- cmdiocbq->context2 = rspiocbq;
+ cmdiocbq->context1 = ndlp;
+ cmdiocbq->context2 = dd_data;
dd_data->type = TYPE_IOCB;
dd_data->context_un.iocb.cmdiocbq = cmdiocbq;
- dd_data->context_un.iocb.rspiocbq = rspiocbq;
dd_data->context_un.iocb.set_job = job;
dd_data->context_un.iocb.bmp = bmp;
- dd_data->context_un.iocb.ndlp = ndlp;
if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
- creg_val = readl(phba->HCregaddr);
+ if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+ rc = -EIO ;
+ goto free_cmdiocbq;
+ }
creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
writel(creg_val, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
}
- rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
-
- if (rc == IOCB_SUCCESS)
+ iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
+ if (iocb_stat == IOCB_SUCCESS)
return 0; /* done for now */
- else if (rc == IOCB_BUSY)
- rc = EAGAIN;
+ else if (iocb_stat == IOCB_BUSY)
+ rc = -EAGAIN;
else
- rc = EIO;
+ rc = -EIO;
/* iocb failed so cleanup */
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
-free_rspiocbq:
- lpfc_sli_release_iocbq(phba, rspiocbq);
free_cmdiocbq:
lpfc_sli_release_iocbq(phba, cmdiocbq);
free_bmp:
dd_data->context_un.iocb.cmdiocbq = cmdiocbq;
dd_data->context_un.iocb.rspiocbq = rspiocbq;
dd_data->context_un.iocb.set_job = job;
- dd_data->context_un.iocb.bmp = NULL;;
+ dd_data->context_un.iocb.bmp = NULL;
dd_data->context_un.iocb.ndlp = ndlp;
if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
- creg_val = readl(phba->HCregaddr);
+ if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+ rc = -EIO;
+ goto linkdown_err;
+ }
creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
writel(creg_val, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
if (rc == IOCB_SUCCESS)
return 0; /* done for now */
else if (rc == IOCB_BUSY)
- rc = EAGAIN;
+ rc = -EAGAIN;
else
- rc = EIO;
+ rc = -EIO;
+linkdown_err:
pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
evt_dat->immed_dat].oxid,
phba->ct_ctx[
evt_dat->immed_dat].SID);
+ phba->ct_ctx[evt_dat->immed_dat].rxid =
+ piocbq->iocb.ulpContext;
phba->ct_ctx[evt_dat->immed_dat].oxid =
- piocbq->iocb.ulpContext;
+ piocbq->iocb.unsli3.rcvsli3.ox_id;
phba->ct_ctx[evt_dat->immed_dat].SID =
piocbq->iocb.un.rcvels.remoteID;
phba->ct_ctx[evt_dat->immed_dat].flags = UNSOL_VALID;
int rc = 0;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
- dd_data = cmdiocbq->context1;
+ dd_data = cmdiocbq->context2;
/* normal completion and timeout crossed paths, already done */
if (!dd_data) {
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
/* Allocate buffer for command iocb */
ctiocb = lpfc_sli_get_iocbq(phba);
if (!ctiocb) {
- rc = ENOMEM;
+ rc = -ENOMEM;
goto no_ctiocb;
}
rc = IOCB_ERROR;
goto issue_ct_rsp_exit;
}
- icmd->ulpContext = phba->ct_ctx[tag].oxid;
+ icmd->ulpContext = phba->ct_ctx[tag].rxid;
+ icmd->unsli3.rcvsli3.ox_id = phba->ct_ctx[tag].oxid;
ndlp = lpfc_findnode_did(phba->pport, phba->ct_ctx[tag].SID);
if (!ndlp) {
lpfc_printf_log(phba, KERN_WARNING, LOG_ELS,
goto issue_ct_rsp_exit;
}
- icmd->un.ulpWord[3] = ndlp->nlp_rpi;
+ icmd->un.ulpWord[3] =
+ phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+
/* The exchange is done, mark the entry as invalid */
phba->ct_ctx[tag].flags &= ~UNSOL_VALID;
} else
/* Xmit CT response on exchange <xid> */
lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
- "2722 Xmit CT response on exchange x%x Data: x%x x%x\n",
- icmd->ulpContext, icmd->ulpIoTag, phba->link_state);
+ "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n",
+ icmd->ulpContext, icmd->ulpIoTag, tag, phba->link_state);
ctiocb->iocb_cmpl = NULL;
ctiocb->iocb_flag |= LPFC_IO_LIBDFC;
ctiocb->context3 = bmp;
ctiocb->iocb_cmpl = lpfc_issue_ct_rsp_cmp;
- ctiocb->context1 = dd_data;
- ctiocb->context2 = NULL;
+ ctiocb->context2 = dd_data;
+ ctiocb->context1 = ndlp;
dd_data->type = TYPE_IOCB;
dd_data->context_un.iocb.cmdiocbq = ctiocb;
dd_data->context_un.iocb.rspiocbq = NULL;
dd_data->context_un.iocb.ndlp = ndlp;
if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
- creg_val = readl(phba->HCregaddr);
+ if (lpfc_readl(phba->HCregaddr, &creg_val)) {
+ rc = -IOCB_ERROR;
+ goto issue_ct_rsp_exit;
+ }
creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
writel(creg_val, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
}
/**
- * lpfc_bsg_diag_mode - process a LPFC_BSG_VENDOR_DIAG_MODE bsg vendor command
+ * lpfc_bsg_diag_mode_enter - process preparing into device diag loopback mode
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is responsible for preparing driver for diag loopback
+ * on device.
+ */
+static int
+lpfc_bsg_diag_mode_enter(struct lpfc_hba *phba)
+{
+ struct lpfc_vport **vports;
+ struct Scsi_Host *shost;
+ struct lpfc_sli *psli;
+ struct lpfc_sli_ring *pring;
+ int i = 0;
+
+ psli = &phba->sli;
+ if (!psli)
+ return -ENODEV;
+
+ pring = &psli->ring[LPFC_FCP_RING];
+ if (!pring)
+ return -ENODEV;
+
+ if ((phba->link_state == LPFC_HBA_ERROR) ||
+ (psli->sli_flag & LPFC_BLOCK_MGMT_IO) ||
+ (!(psli->sli_flag & LPFC_SLI_ACTIVE)))
+ return -EACCES;
+
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports) {
+ for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ shost = lpfc_shost_from_vport(vports[i]);
+ scsi_block_requests(shost);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ } else {
+ shost = lpfc_shost_from_vport(phba->pport);
+ scsi_block_requests(shost);
+ }
+
+ while (pring->txcmplq_cnt) {
+ if (i++ > 500) /* wait up to 5 seconds */
+ break;
+ msleep(10);
+ }
+ return 0;
+}
+
+/**
+ * lpfc_bsg_diag_mode_exit - exit process from device diag loopback mode
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is responsible for driver exit processing of setting up
+ * diag loopback mode on device.
+ */
+static void
+lpfc_bsg_diag_mode_exit(struct lpfc_hba *phba)
+{
+ struct Scsi_Host *shost;
+ struct lpfc_vport **vports;
+ int i;
+
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports) {
+ for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+ shost = lpfc_shost_from_vport(vports[i]);
+ scsi_unblock_requests(shost);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ } else {
+ shost = lpfc_shost_from_vport(phba->pport);
+ scsi_unblock_requests(shost);
+ }
+ return;
+}
+
+/**
+ * lpfc_sli3_bsg_diag_loopback_mode - process an sli3 bsg vendor command
+ * @phba: Pointer to HBA context object.
* @job: LPFC_BSG_VENDOR_DIAG_MODE
*
- * This function is responsible for placing a port into diagnostic loopback
- * mode in order to perform a diagnostic loopback test.
+ * This function is responsible for placing an sli3 port into diagnostic
+ * loopback mode in order to perform a diagnostic loopback test.
* All new scsi requests are blocked, a small delay is used to allow the
* scsi requests to complete then the link is brought down. If the link is
* is placed in loopback mode then scsi requests are again allowed
* All of this is done in-line.
*/
static int
-lpfc_bsg_diag_mode(struct fc_bsg_job *job)
+lpfc_sli3_bsg_diag_loopback_mode(struct lpfc_hba *phba, struct fc_bsg_job *job)
{
- struct Scsi_Host *shost = job->shost;
- struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
- struct lpfc_hba *phba = vport->phba;
struct diag_mode_set *loopback_mode;
- struct lpfc_sli *psli = &phba->sli;
- struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING];
uint32_t link_flags;
uint32_t timeout;
- struct lpfc_vport **vports;
LPFC_MBOXQ_t *pmboxq;
int mbxstatus;
int i = 0;
/* no data to return just the return code */
job->reply->reply_payload_rcv_len = 0;
- if (job->request_len <
- sizeof(struct fc_bsg_request) + sizeof(struct diag_mode_set)) {
+ if (job->request_len < sizeof(struct fc_bsg_request) +
+ sizeof(struct diag_mode_set)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
- "2738 Received DIAG MODE request below minimum "
- "size\n");
+ "2738 Received DIAG MODE request size:%d "
+ "below the minimum size:%d\n",
+ job->request_len,
+ (int)(sizeof(struct fc_bsg_request) +
+ sizeof(struct diag_mode_set)));
rc = -EINVAL;
goto job_error;
}
+ rc = lpfc_bsg_diag_mode_enter(phba);
+ if (rc)
+ goto job_error;
+
+ /* bring the link to diagnostic mode */
loopback_mode = (struct diag_mode_set *)
job->request->rqst_data.h_vendor.vendor_cmd;
link_flags = loopback_mode->type;
- timeout = loopback_mode->timeout;
-
- if ((phba->link_state == LPFC_HBA_ERROR) ||
- (psli->sli_flag & LPFC_BLOCK_MGMT_IO) ||
- (!(psli->sli_flag & LPFC_SLI_ACTIVE))) {
- rc = -EACCES;
- goto job_error;
- }
+ timeout = loopback_mode->timeout * 100;
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmboxq) {
rc = -ENOMEM;
- goto job_error;
- }
-
- vports = lpfc_create_vport_work_array(phba);
- if (vports) {
- for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
- shost = lpfc_shost_from_vport(vports[i]);
- scsi_block_requests(shost);
- }
-
- lpfc_destroy_vport_work_array(phba, vports);
- } else {
- shost = lpfc_shost_from_vport(phba->pport);
- scsi_block_requests(shost);
- }
-
- while (pring->txcmplq_cnt) {
- if (i++ > 500) /* wait up to 5 seconds */
- break;
-
- msleep(10);
+ goto loopback_mode_exit;
}
-
memset((void *)pmboxq, 0, sizeof(LPFC_MBOXQ_t));
pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
pmboxq->u.mb.mbxOwner = OWN_HOST;
rc = -ENODEV;
loopback_mode_exit:
- vports = lpfc_create_vport_work_array(phba);
- if (vports) {
- for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
- shost = lpfc_shost_from_vport(vports[i]);
- scsi_unblock_requests(shost);
- }
- lpfc_destroy_vport_work_array(phba, vports);
- } else {
- shost = lpfc_shost_from_vport(phba->pport);
- scsi_unblock_requests(shost);
- }
+ lpfc_bsg_diag_mode_exit(phba);
/*
* Let SLI layer release mboxq if mbox command completed after timeout.
}
/**
- * lpfcdiag_loop_self_reg - obtains a remote port login id
- * @phba: Pointer to HBA context object
- * @rpi: Pointer to a remote port login id
+ * lpfc_sli4_bsg_set_link_diag_state - set sli4 link diag state
+ * @phba: Pointer to HBA context object.
+ * @diag: Flag for set link to diag or nomral operation state.
*
- * This function obtains a remote port login id so the diag loopback test
- * can send and receive its own unsolicited CT command.
- **/
-static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
+ * This function is responsible for issuing a sli4 mailbox command for setting
+ * link to either diag state or normal operation state.
+ */
+static int
+lpfc_sli4_bsg_set_link_diag_state(struct lpfc_hba *phba, uint32_t diag)
{
- LPFC_MBOXQ_t *mbox;
- struct lpfc_dmabuf *dmabuff;
- int status;
-
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox)
- return ENOMEM;
+ LPFC_MBOXQ_t *pmboxq;
+ struct lpfc_mbx_set_link_diag_state *link_diag_state;
+ uint32_t req_len, alloc_len;
+ int mbxstatus = MBX_SUCCESS, rc;
- status = lpfc_reg_rpi(phba, 0, phba->pport->fc_myDID,
- (uint8_t *)&phba->pport->fc_sparam, mbox, 0);
- if (status) {
- mempool_free(mbox, phba->mbox_mem_pool);
- return ENOMEM;
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq)
+ return -ENOMEM;
+
+ req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE,
+ req_len, LPFC_SLI4_MBX_EMBED);
+ if (alloc_len != req_len) {
+ rc = -ENOMEM;
+ goto link_diag_state_set_out;
}
+ link_diag_state = &pmboxq->u.mqe.un.link_diag_state;
+ bf_set(lpfc_mbx_set_diag_state_link_num, &link_diag_state->u.req,
+ phba->sli4_hba.link_state.number);
+ bf_set(lpfc_mbx_set_diag_state_link_type, &link_diag_state->u.req,
+ phba->sli4_hba.link_state.type);
+ if (diag)
+ bf_set(lpfc_mbx_set_diag_state_diag,
+ &link_diag_state->u.req, 1);
+ else
+ bf_set(lpfc_mbx_set_diag_state_diag,
+ &link_diag_state->u.req, 0);
- dmabuff = (struct lpfc_dmabuf *) mbox->context1;
- mbox->context1 = NULL;
- status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO);
- if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
- lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
- kfree(dmabuff);
- if (status != MBX_TIMEOUT)
- mempool_free(mbox, phba->mbox_mem_pool);
- return ENODEV;
- }
+ if ((mbxstatus == MBX_SUCCESS) && (pmboxq->u.mb.mbxStatus == 0))
+ rc = 0;
+ else
+ rc = -ENODEV;
- *rpi = mbox->u.mb.un.varWords[0];
+link_diag_state_set_out:
+ if (pmboxq && (mbxstatus != MBX_TIMEOUT))
+ mempool_free(pmboxq, phba->mbox_mem_pool);
- lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
- kfree(dmabuff);
- mempool_free(mbox, phba->mbox_mem_pool);
- return 0;
+ return rc;
}
/**
- * lpfcdiag_loop_self_unreg - unregs from the rpi
- * @phba: Pointer to HBA context object
- * @rpi: Remote port login id
+ * lpfc_sli4_bsg_diag_loopback_mode - process an sli4 bsg vendor command
+ * @phba: Pointer to HBA context object.
+ * @job: LPFC_BSG_VENDOR_DIAG_MODE
*
- * This function unregisters the rpi obtained in lpfcdiag_loop_self_reg
- **/
-static int lpfcdiag_loop_self_unreg(struct lpfc_hba *phba, uint16_t rpi)
+ * This function is responsible for placing an sli4 port into diagnostic
+ * loopback mode in order to perform a diagnostic loopback test.
+ */
+static int
+lpfc_sli4_bsg_diag_loopback_mode(struct lpfc_hba *phba, struct fc_bsg_job *job)
{
- LPFC_MBOXQ_t *mbox;
- int status;
-
- /* Allocate mboxq structure */
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (mbox == NULL)
- return ENOMEM;
+ struct diag_mode_set *loopback_mode;
+ uint32_t link_flags, timeout, req_len, alloc_len;
+ struct lpfc_mbx_set_link_diag_loopback *link_diag_loopback;
+ LPFC_MBOXQ_t *pmboxq = NULL;
+ int mbxstatus, i, rc = 0;
- lpfc_unreg_login(phba, 0, rpi, mbox);
- status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+ /* no data to return just the return code */
+ job->reply->reply_payload_rcv_len = 0;
- if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
- if (status != MBX_TIMEOUT)
- mempool_free(mbox, phba->mbox_mem_pool);
- return EIO;
+ if (job->request_len < sizeof(struct fc_bsg_request) +
+ sizeof(struct diag_mode_set)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "3011 Received DIAG MODE request size:%d "
+ "below the minimum size:%d\n",
+ job->request_len,
+ (int)(sizeof(struct fc_bsg_request) +
+ sizeof(struct diag_mode_set)));
+ rc = -EINVAL;
+ goto job_error;
}
- mempool_free(mbox, phba->mbox_mem_pool);
- return 0;
-}
-
-/**
- * lpfcdiag_loop_get_xri - obtains the transmit and receive ids
- * @phba: Pointer to HBA context object
- * @rpi: Remote port login id
- * @txxri: Pointer to transmit exchange id
- * @rxxri: Pointer to response exchabge id
- *
- * This function obtains the transmit and receive ids required to send
- * an unsolicited ct command with a payload. A special lpfc FsType and CmdRsp
- * flags are used to the unsolicted response handler is able to process
- * the ct command sent on the same port.
- **/
-static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
- uint16_t *txxri, uint16_t * rxxri)
-{
- struct lpfc_bsg_event *evt;
- struct lpfc_iocbq *cmdiocbq, *rspiocbq;
- IOCB_t *cmd, *rsp;
- struct lpfc_dmabuf *dmabuf;
- struct ulp_bde64 *bpl = NULL;
- struct lpfc_sli_ct_request *ctreq = NULL;
- int ret_val = 0;
- unsigned long flags;
+ rc = lpfc_bsg_diag_mode_enter(phba);
+ if (rc)
+ goto job_error;
- *txxri = 0;
- *rxxri = 0;
- evt = lpfc_bsg_event_new(FC_REG_CT_EVENT, current->pid,
- SLI_CT_ELX_LOOPBACK);
- if (!evt)
- return ENOMEM;
+ /* bring the link to diagnostic mode */
+ loopback_mode = (struct diag_mode_set *)
+ job->request->rqst_data.h_vendor.vendor_cmd;
+ link_flags = loopback_mode->type;
+ timeout = loopback_mode->timeout * 100;
- spin_lock_irqsave(&phba->ct_ev_lock, flags);
- list_add(&evt->node, &phba->ct_ev_waiters);
- lpfc_bsg_event_ref(evt);
- spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1);
+ if (rc)
+ goto loopback_mode_exit;
- cmdiocbq = lpfc_sli_get_iocbq(phba);
- rspiocbq = lpfc_sli_get_iocbq(phba);
+ /* wait for link down before proceeding */
+ i = 0;
+ while (phba->link_state != LPFC_LINK_DOWN) {
+ if (i++ > timeout) {
+ rc = -ETIMEDOUT;
+ goto loopback_mode_exit;
+ }
+ msleep(10);
+ }
+ /* set up loopback mode */
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq) {
+ rc = -ENOMEM;
+ goto loopback_mode_exit;
+ }
+ req_len = (sizeof(struct lpfc_mbx_set_link_diag_loopback) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_LOOPBACK,
+ req_len, LPFC_SLI4_MBX_EMBED);
+ if (alloc_len != req_len) {
+ rc = -ENOMEM;
+ goto loopback_mode_exit;
+ }
+ link_diag_loopback = &pmboxq->u.mqe.un.link_diag_loopback;
+ bf_set(lpfc_mbx_set_diag_state_link_num,
+ &link_diag_loopback->u.req, phba->sli4_hba.link_state.number);
+ bf_set(lpfc_mbx_set_diag_state_link_type,
+ &link_diag_loopback->u.req, phba->sli4_hba.link_state.type);
+ if (link_flags == INTERNAL_LOOP_BACK)
+ bf_set(lpfc_mbx_set_diag_lpbk_type,
+ &link_diag_loopback->u.req,
+ LPFC_DIAG_LOOPBACK_TYPE_INTERNAL);
+ else
+ bf_set(lpfc_mbx_set_diag_lpbk_type,
+ &link_diag_loopback->u.req,
+ LPFC_DIAG_LOOPBACK_TYPE_EXTERNAL);
+
+ mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO);
+ if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus))
+ rc = -ENODEV;
+ else {
+ phba->link_flag |= LS_LOOPBACK_MODE;
+ /* wait for the link attention interrupt */
+ msleep(100);
+ i = 0;
+ while (phba->link_state != LPFC_HBA_READY) {
+ if (i++ > timeout) {
+ rc = -ETIMEDOUT;
+ break;
+ }
+ msleep(10);
+ }
+ }
+
+loopback_mode_exit:
+ lpfc_bsg_diag_mode_exit(phba);
+
+ /*
+ * Let SLI layer release mboxq if mbox command completed after timeout.
+ */
+ if (pmboxq && (mbxstatus != MBX_TIMEOUT))
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+
+job_error:
+ /* make error code available to userspace */
+ job->reply->result = rc;
+ /* complete the job back to userspace if no error */
+ if (rc == 0)
+ job->job_done(job);
+ return rc;
+}
+
+/**
+ * lpfc_bsg_diag_loopback_mode - bsg vendor command for diag loopback mode
+ * @job: LPFC_BSG_VENDOR_DIAG_MODE
+ *
+ * This function is responsible for responding to check and dispatch bsg diag
+ * command from the user to proper driver action routines.
+ */
+static int
+lpfc_bsg_diag_loopback_mode(struct fc_bsg_job *job)
+{
+ struct Scsi_Host *shost;
+ struct lpfc_vport *vport;
+ struct lpfc_hba *phba;
+ int rc;
+
+ shost = job->shost;
+ if (!shost)
+ return -ENODEV;
+ vport = (struct lpfc_vport *)job->shost->hostdata;
+ if (!vport)
+ return -ENODEV;
+ phba = vport->phba;
+ if (!phba)
+ return -ENODEV;
+
+ if (phba->sli_rev < LPFC_SLI_REV4)
+ rc = lpfc_sli3_bsg_diag_loopback_mode(phba, job);
+ else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_IF_TYPE_2)
+ rc = lpfc_sli4_bsg_diag_loopback_mode(phba, job);
+ else
+ rc = -ENODEV;
+
+ return rc;
+
+}
+
+/**
+ * lpfc_sli4_bsg_diag_mode_end - sli4 bsg vendor command for ending diag mode
+ * @job: LPFC_BSG_VENDOR_DIAG_MODE_END
+ *
+ * This function is responsible for responding to check and dispatch bsg diag
+ * command from the user to proper driver action routines.
+ */
+static int
+lpfc_sli4_bsg_diag_mode_end(struct fc_bsg_job *job)
+{
+ struct Scsi_Host *shost;
+ struct lpfc_vport *vport;
+ struct lpfc_hba *phba;
+ int rc;
+
+ shost = job->shost;
+ if (!shost)
+ return -ENODEV;
+ vport = (struct lpfc_vport *)job->shost->hostdata;
+ if (!vport)
+ return -ENODEV;
+ phba = vport->phba;
+ if (!phba)
+ return -ENODEV;
+
+ if (phba->sli_rev < LPFC_SLI_REV4)
+ return -ENODEV;
+ if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_2)
+ return -ENODEV;
+
+ rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0);
+
+ if (!rc)
+ rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
+
+ return rc;
+}
+
+/**
+ * lpfc_sli4_bsg_link_diag_test - sli4 bsg vendor command for diag link test
+ * @job: LPFC_BSG_VENDOR_DIAG_LINK_TEST
+ *
+ * This function is to perform SLI4 diag link test request from the user
+ * applicaiton.
+ */
+static int
+lpfc_sli4_bsg_link_diag_test(struct fc_bsg_job *job)
+{
+ struct Scsi_Host *shost;
+ struct lpfc_vport *vport;
+ struct lpfc_hba *phba;
+ LPFC_MBOXQ_t *pmboxq;
+ struct sli4_link_diag *link_diag_test_cmd;
+ uint32_t req_len, alloc_len;
+ uint32_t timeout;
+ struct lpfc_mbx_run_link_diag_test *run_link_diag_test;
+ union lpfc_sli4_cfg_shdr *shdr;
+ uint32_t shdr_status, shdr_add_status;
+ struct diag_status *diag_status_reply;
+ int mbxstatus, rc = 0;
+
+ shost = job->shost;
+ if (!shost) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+ vport = (struct lpfc_vport *)job->shost->hostdata;
+ if (!vport) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+ phba = vport->phba;
+ if (!phba) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+
+ if (phba->sli_rev < LPFC_SLI_REV4) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+ if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_2) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+
+ if (job->request_len < sizeof(struct fc_bsg_request) +
+ sizeof(struct sli4_link_diag)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "3013 Received LINK DIAG TEST request "
+ " size:%d below the minimum size:%d\n",
+ job->request_len,
+ (int)(sizeof(struct fc_bsg_request) +
+ sizeof(struct sli4_link_diag)));
+ rc = -EINVAL;
+ goto job_error;
+ }
+
+ rc = lpfc_bsg_diag_mode_enter(phba);
+ if (rc)
+ goto job_error;
+
+ link_diag_test_cmd = (struct sli4_link_diag *)
+ job->request->rqst_data.h_vendor.vendor_cmd;
+ timeout = link_diag_test_cmd->timeout * 100;
+
+ rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1);
+
+ if (rc)
+ goto job_error;
+
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq) {
+ rc = -ENOMEM;
+ goto link_diag_test_exit;
+ }
+
+ req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE,
+ req_len, LPFC_SLI4_MBX_EMBED);
+ if (alloc_len != req_len) {
+ rc = -ENOMEM;
+ goto link_diag_test_exit;
+ }
+ run_link_diag_test = &pmboxq->u.mqe.un.link_diag_test;
+ bf_set(lpfc_mbx_run_diag_test_link_num, &run_link_diag_test->u.req,
+ phba->sli4_hba.link_state.number);
+ bf_set(lpfc_mbx_run_diag_test_link_type, &run_link_diag_test->u.req,
+ phba->sli4_hba.link_state.type);
+ bf_set(lpfc_mbx_run_diag_test_test_id, &run_link_diag_test->u.req,
+ link_diag_test_cmd->test_id);
+ bf_set(lpfc_mbx_run_diag_test_loops, &run_link_diag_test->u.req,
+ link_diag_test_cmd->loops);
+ bf_set(lpfc_mbx_run_diag_test_test_ver, &run_link_diag_test->u.req,
+ link_diag_test_cmd->test_version);
+ bf_set(lpfc_mbx_run_diag_test_err_act, &run_link_diag_test->u.req,
+ link_diag_test_cmd->error_action);
+
+ mbxstatus = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+
+ shdr = (union lpfc_sli4_cfg_shdr *)
+ &pmboxq->u.mqe.un.sli4_config.header.cfg_shdr;
+ shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+ shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
+ if (shdr_status || shdr_add_status || mbxstatus) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "3010 Run link diag test mailbox failed with "
+ "mbx_status x%x status x%x, add_status x%x\n",
+ mbxstatus, shdr_status, shdr_add_status);
+ }
+
+ diag_status_reply = (struct diag_status *)
+ job->reply->reply_data.vendor_reply.vendor_rsp;
+
+ if (job->reply_len <
+ sizeof(struct fc_bsg_request) + sizeof(struct diag_status)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "3012 Received Run link diag test reply "
+ "below minimum size (%d): reply_len:%d\n",
+ (int)(sizeof(struct fc_bsg_request) +
+ sizeof(struct diag_status)),
+ job->reply_len);
+ rc = -EINVAL;
+ goto job_error;
+ }
+
+ diag_status_reply->mbox_status = mbxstatus;
+ diag_status_reply->shdr_status = shdr_status;
+ diag_status_reply->shdr_add_status = shdr_add_status;
+
+link_diag_test_exit:
+ rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0);
+
+ if (pmboxq)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+
+ lpfc_bsg_diag_mode_exit(phba);
+
+job_error:
+ /* make error code available to userspace */
+ job->reply->result = rc;
+ /* complete the job back to userspace if no error */
+ if (rc == 0)
+ job->job_done(job);
+ return rc;
+}
+
+/**
+ * lpfcdiag_loop_self_reg - obtains a remote port login id
+ * @phba: Pointer to HBA context object
+ * @rpi: Pointer to a remote port login id
+ *
+ * This function obtains a remote port login id so the diag loopback test
+ * can send and receive its own unsolicited CT command.
+ **/
+static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t *rpi)
+{
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_dmabuf *dmabuff;
+ int status;
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox)
+ return -ENOMEM;
+
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ *rpi = lpfc_sli4_alloc_rpi(phba);
+ status = lpfc_reg_rpi(phba, 0, phba->pport->fc_myDID,
+ (uint8_t *)&phba->pport->fc_sparam, mbox, *rpi);
+ if (status) {
+ mempool_free(mbox, phba->mbox_mem_pool);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ lpfc_sli4_free_rpi(phba, *rpi);
+ return -ENOMEM;
+ }
+
+ dmabuff = (struct lpfc_dmabuf *) mbox->context1;
+ mbox->context1 = NULL;
+ mbox->context2 = NULL;
+ status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+
+ if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
+ lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
+ kfree(dmabuff);
+ if (status != MBX_TIMEOUT)
+ mempool_free(mbox, phba->mbox_mem_pool);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ lpfc_sli4_free_rpi(phba, *rpi);
+ return -ENODEV;
+ }
+
+ *rpi = mbox->u.mb.un.varWords[0];
+
+ lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys);
+ kfree(dmabuff);
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return 0;
+}
+
+/**
+ * lpfcdiag_loop_self_unreg - unregs from the rpi
+ * @phba: Pointer to HBA context object
+ * @rpi: Remote port login id
+ *
+ * This function unregisters the rpi obtained in lpfcdiag_loop_self_reg
+ **/
+static int lpfcdiag_loop_self_unreg(struct lpfc_hba *phba, uint16_t rpi)
+{
+ LPFC_MBOXQ_t *mbox;
+ int status;
+
+ /* Allocate mboxq structure */
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (mbox == NULL)
+ return -ENOMEM;
+
+ lpfc_unreg_login(phba, 0, rpi, mbox);
+ status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
+
+ if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) {
+ if (status != MBX_TIMEOUT)
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ mempool_free(mbox, phba->mbox_mem_pool);
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ lpfc_sli4_free_rpi(phba, rpi);
+ return 0;
+}
+
+/**
+ * lpfcdiag_loop_get_xri - obtains the transmit and receive ids
+ * @phba: Pointer to HBA context object
+ * @rpi: Remote port login id
+ * @txxri: Pointer to transmit exchange id
+ * @rxxri: Pointer to response exchabge id
+ *
+ * This function obtains the transmit and receive ids required to send
+ * an unsolicited ct command with a payload. A special lpfc FsType and CmdRsp
+ * flags are used to the unsolicted response handler is able to process
+ * the ct command sent on the same port.
+ **/
+static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
+ uint16_t *txxri, uint16_t * rxxri)
+{
+ struct lpfc_bsg_event *evt;
+ struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+ IOCB_t *cmd, *rsp;
+ struct lpfc_dmabuf *dmabuf;
+ struct ulp_bde64 *bpl = NULL;
+ struct lpfc_sli_ct_request *ctreq = NULL;
+ int ret_val = 0;
+ int time_left;
+ int iocb_stat = 0;
+ unsigned long flags;
+
+ *txxri = 0;
+ *rxxri = 0;
+ evt = lpfc_bsg_event_new(FC_REG_CT_EVENT, current->pid,
+ SLI_CT_ELX_LOOPBACK);
+ if (!evt)
+ return -ENOMEM;
+
+ spin_lock_irqsave(&phba->ct_ev_lock, flags);
+ list_add(&evt->node, &phba->ct_ev_waiters);
+ lpfc_bsg_event_ref(evt);
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+
+ cmdiocbq = lpfc_sli_get_iocbq(phba);
+ rspiocbq = lpfc_sli_get_iocbq(phba);
dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (dmabuf) {
if (cmdiocbq == NULL || rspiocbq == NULL ||
dmabuf == NULL || bpl == NULL || ctreq == NULL ||
dmabuf->virt == NULL) {
- ret_val = ENOMEM;
+ ret_val = -ENOMEM;
goto err_get_xri_exit;
}
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->vport = phba->pport;
- ret_val = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
+ iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
rspiocbq,
(phba->fc_ratov * 2)
+ LPFC_DRVR_TIMEOUT);
- if (ret_val)
+ if (iocb_stat) {
+ ret_val = -EIO;
goto err_get_xri_exit;
-
+ }
*txxri = rsp->ulpContext;
evt->waiting = 1;
evt->wait_time_stamp = jiffies;
- ret_val = wait_event_interruptible_timeout(
+ time_left = wait_event_interruptible_timeout(
evt->wq, !list_empty(&evt->events_to_see),
((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
if (list_empty(&evt->events_to_see))
- ret_val = (ret_val) ? EINTR : ETIMEDOUT;
+ ret_val = (time_left) ? -EINTR : -ETIMEDOUT;
else {
- ret_val = IOCB_SUCCESS;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_move(evt->events_to_see.prev, &evt->events_to_get);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
kfree(dmabuf);
}
- if (cmdiocbq && (ret_val != IOCB_TIMEDOUT))
+ if (cmdiocbq && (iocb_stat != IOCB_TIMEDOUT))
lpfc_sli_release_iocbq(phba, cmdiocbq);
if (rspiocbq)
lpfc_sli_release_iocbq(phba, rspiocbq);
}
/**
- * diag_cmd_data_alloc - fills in a bde struct with dma buffers
+ * lpfc_bsg_dma_page_alloc - allocate a bsg mbox page sized dma buffers
* @phba: Pointer to HBA context object
- * @bpl: Pointer to 64 bit bde structure
- * @size: Number of bytes to process
- * @nocopydata: Flag to copy user data into the allocated buffer
*
- * This function allocates page size buffers and populates an lpfc_dmabufext.
- * If allowed the user data pointed to with indataptr is copied into the kernel
- * memory. The chained list of page size buffers is returned.
+ * This function allocates BSG_MBOX_SIZE (4KB) page size dma buffer and.
+ * retruns the pointer to the buffer.
**/
-static struct lpfc_dmabufext *
-diag_cmd_data_alloc(struct lpfc_hba *phba,
- struct ulp_bde64 *bpl, uint32_t size,
- int nocopydata)
+static struct lpfc_dmabuf *
+lpfc_bsg_dma_page_alloc(struct lpfc_hba *phba)
{
- struct lpfc_dmabufext *mlist = NULL;
- struct lpfc_dmabufext *dmp;
- int cnt, offset = 0, i = 0;
- struct pci_dev *pcidev;
+ struct lpfc_dmabuf *dmabuf;
+ struct pci_dev *pcidev = phba->pcidev;
+
+ /* allocate dma buffer struct */
+ dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+ if (!dmabuf)
+ return NULL;
+
+ INIT_LIST_HEAD(&dmabuf->list);
+
+ /* now, allocate dma buffer */
+ dmabuf->virt = dma_alloc_coherent(&pcidev->dev, BSG_MBOX_SIZE,
+ &(dmabuf->phys), GFP_KERNEL);
+
+ if (!dmabuf->virt) {
+ kfree(dmabuf);
+ return NULL;
+ }
+ memset((uint8_t *)dmabuf->virt, 0, BSG_MBOX_SIZE);
+
+ return dmabuf;
+}
+
+/**
+ * lpfc_bsg_dma_page_free - free a bsg mbox page sized dma buffer
+ * @phba: Pointer to HBA context object.
+ * @dmabuf: Pointer to the bsg mbox page sized dma buffer descriptor.
+ *
+ * This routine just simply frees a dma buffer and its associated buffer
+ * descriptor referred by @dmabuf.
+ **/
+static void
+lpfc_bsg_dma_page_free(struct lpfc_hba *phba, struct lpfc_dmabuf *dmabuf)
+{
+ struct pci_dev *pcidev = phba->pcidev;
+
+ if (!dmabuf)
+ return;
+
+ if (dmabuf->virt)
+ dma_free_coherent(&pcidev->dev, BSG_MBOX_SIZE,
+ dmabuf->virt, dmabuf->phys);
+ kfree(dmabuf);
+ return;
+}
+
+/**
+ * lpfc_bsg_dma_page_list_free - free a list of bsg mbox page sized dma buffers
+ * @phba: Pointer to HBA context object.
+ * @dmabuf_list: Pointer to a list of bsg mbox page sized dma buffer descs.
+ *
+ * This routine just simply frees all dma buffers and their associated buffer
+ * descriptors referred by @dmabuf_list.
+ **/
+static void
+lpfc_bsg_dma_page_list_free(struct lpfc_hba *phba,
+ struct list_head *dmabuf_list)
+{
+ struct lpfc_dmabuf *dmabuf, *next_dmabuf;
+
+ if (list_empty(dmabuf_list))
+ return;
+
+ list_for_each_entry_safe(dmabuf, next_dmabuf, dmabuf_list, list) {
+ list_del_init(&dmabuf->list);
+ lpfc_bsg_dma_page_free(phba, dmabuf);
+ }
+ return;
+}
+
+/**
+ * diag_cmd_data_alloc - fills in a bde struct with dma buffers
+ * @phba: Pointer to HBA context object
+ * @bpl: Pointer to 64 bit bde structure
+ * @size: Number of bytes to process
+ * @nocopydata: Flag to copy user data into the allocated buffer
+ *
+ * This function allocates page size buffers and populates an lpfc_dmabufext.
+ * If allowed the user data pointed to with indataptr is copied into the kernel
+ * memory. The chained list of page size buffers is returned.
+ **/
+static struct lpfc_dmabufext *
+diag_cmd_data_alloc(struct lpfc_hba *phba,
+ struct ulp_bde64 *bpl, uint32_t size,
+ int nocopydata)
+{
+ struct lpfc_dmabufext *mlist = NULL;
+ struct lpfc_dmabufext *dmp;
+ int cnt, offset = 0, i = 0;
+ struct pci_dev *pcidev;
pcidev = phba->pcidev;
* @rxxri: Receive exchange id
* @len: Number of data bytes
*
- * This function allocates and posts a data buffer of sufficient size to recieve
+ * This function allocates and posts a data buffer of sufficient size to receive
* an unsolicted CT command.
**/
static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
uint32_t num_bde;
struct lpfc_dmabufext *rxbuffer = NULL;
int ret_val = 0;
+ int iocb_stat;
int i = 0;
cmdiocbq = lpfc_sli_get_iocbq(phba);
}
if (!cmdiocbq || !rxbmp || !rxbpl || !rxbuffer) {
- ret_val = ENOMEM;
+ ret_val = -ENOMEM;
goto err_post_rxbufs_exit;
}
cmd->ulpClass = CLASS3;
cmd->ulpContext = rxxri;
- ret_val = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0);
-
- if (ret_val == IOCB_ERROR) {
+ iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq,
+ 0);
+ if (iocb_stat == IOCB_ERROR) {
diag_cmd_data_free(phba,
(struct lpfc_dmabufext *)mp[0]);
if (mp[1])
diag_cmd_data_free(phba,
(struct lpfc_dmabufext *)mp[1]);
dmp = list_entry(next, struct lpfc_dmabuf, list);
- ret_val = EIO;
+ ret_val = -EIO;
goto err_post_rxbufs_exit;
}
cmdiocbq = lpfc_sli_get_iocbq(phba);
if (!cmdiocbq) {
dmp = list_entry(next, struct lpfc_dmabuf, list);
- ret_val = EIO;
+ ret_val = -EIO;
goto err_post_rxbufs_exit;
}
}
/**
- * lpfc_bsg_diag_test - with a port in loopback issues a Ct cmd to itself
+ * lpfc_bsg_diag_loopback_run - run loopback on a port by issue ct cmd to itself
* @job: LPFC_BSG_VENDOR_DIAG_TEST fc_bsg_job
*
* This function receives a user data buffer to be transmitted and received on
* of loopback mode.
**/
static int
-lpfc_bsg_diag_test(struct fc_bsg_job *job)
+lpfc_bsg_diag_loopback_run(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
uint32_t size;
uint32_t full_size;
size_t segment_len = 0, segment_offset = 0, current_offset = 0;
- uint16_t rpi;
+ uint16_t rpi = 0;
struct lpfc_iocbq *cmdiocbq, *rspiocbq;
IOCB_t *cmd, *rsp;
struct lpfc_sli_ct_request *ctreq;
uint32_t num_bde;
uint8_t *ptr = NULL, *rx_databuf = NULL;
int rc = 0;
+ int time_left;
+ int iocb_stat;
unsigned long flags;
void *dataout = NULL;
uint32_t total_mem;
goto loopback_test_exit;
}
- if (size >= BUF_SZ_4K) {
+ if (full_size >= BUF_SZ_4K) {
/*
* Allocate memory for ioctl data. If buffer is bigger than 64k,
* then we allocate 64k and re-use that buffer over and over to
* problem with GET_FCPTARGETMAPPING...
*/
if (size <= (64 * 1024))
- total_mem = size;
+ total_mem = full_size;
else
total_mem = 64 * 1024;
} else
sg_copy_to_buffer(job->request_payload.sg_list,
job->request_payload.sg_cnt,
ptr, size);
-
rc = lpfcdiag_loop_self_reg(phba, &rpi);
- if (rc) {
- rc = -ENOMEM;
+ if (rc)
goto loopback_test_exit;
- }
rc = lpfcdiag_loop_get_xri(phba, rpi, &txxri, &rxxri);
if (rc) {
lpfcdiag_loop_self_unreg(phba, rpi);
- rc = -ENOMEM;
goto loopback_test_exit;
}
rc = lpfcdiag_loop_post_rxbufs(phba, rxxri, full_size);
if (rc) {
lpfcdiag_loop_self_unreg(phba, rpi);
- rc = -ENOMEM;
goto loopback_test_exit;
}
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->vport = phba->pport;
- rc = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq,
- (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT);
+ iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq,
+ rspiocbq, (phba->fc_ratov * 2) +
+ LPFC_DRVR_TIMEOUT);
- if ((rc != IOCB_SUCCESS) || (rsp->ulpStatus != IOCB_SUCCESS)) {
+ if ((iocb_stat != IOCB_SUCCESS) || (rsp->ulpStatus != IOCB_SUCCESS)) {
rc = -EIO;
goto err_loopback_test_exit;
}
evt->waiting = 1;
- rc = wait_event_interruptible_timeout(
+ time_left = wait_event_interruptible_timeout(
evt->wq, !list_empty(&evt->events_to_see),
((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT) * HZ);
evt->waiting = 0;
if (list_empty(&evt->events_to_see))
- rc = (rc) ? -EINTR : -ETIMEDOUT;
+ rc = (time_left) ? -EINTR : -ETIMEDOUT;
else {
spin_lock_irqsave(&phba->ct_ev_lock, flags);
list_move(evt->events_to_see.prev, &evt->events_to_get);
}
/**
- * lpfc_bsg_wake_mbox_wait - lpfc_bsg_issue_mbox mbox completion handler
+ * lpfc_bsg_issue_mbox_cmpl - lpfc_bsg_issue_mbox mbox completion handler
* @phba: Pointer to HBA context object.
* @pmboxq: Pointer to mailbox command.
*
* of the mailbox.
**/
void
-lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+lpfc_bsg_issue_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
{
struct bsg_job_data *dd_data;
struct fc_bsg_job *job;
uint32_t size;
unsigned long flags;
- uint8_t *to;
- uint8_t *from;
+ uint8_t *pmb, *pmb_buf;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
dd_data = pmboxq->context1;
return;
}
- /* build the outgoing buffer to do an sg copy
- * the format is the response mailbox followed by any extended
- * mailbox data
+ /*
+ * The outgoing buffer is readily referred from the dma buffer,
+ * just need to get header part from mailboxq structure.
+ */
+ pmb = (uint8_t *)&pmboxq->u.mb;
+ pmb_buf = (uint8_t *)dd_data->context_un.mbox.mb;
+ memcpy(pmb_buf, pmb, sizeof(MAILBOX_t));
+
+ job = dd_data->context_un.mbox.set_job;
+ if (job) {
+ size = job->reply_payload.payload_len;
+ job->reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt,
+ pmb_buf, size);
+ /* need to hold the lock until we set job->dd_data to NULL
+ * to hold off the timeout handler returning to the mid-layer
+ * while we are still processing the job.
+ */
+ job->dd_data = NULL;
+ dd_data->context_un.mbox.set_job = NULL;
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ } else {
+ dd_data->context_un.mbox.set_job = NULL;
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ }
+
+ mempool_free(dd_data->context_un.mbox.pmboxq, phba->mbox_mem_pool);
+ lpfc_bsg_dma_page_free(phba, dd_data->context_un.mbox.dmabuffers);
+ kfree(dd_data);
+
+ if (job) {
+ job->reply->result = 0;
+ job->job_done(job);
+ }
+ return;
+}
+
+/**
+ * lpfc_bsg_check_cmd_access - test for a supported mailbox command
+ * @phba: Pointer to HBA context object.
+ * @mb: Pointer to a mailbox object.
+ * @vport: Pointer to a vport object.
+ *
+ * Some commands require the port to be offline, some may not be called from
+ * the application.
+ **/
+static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
+ MAILBOX_t *mb, struct lpfc_vport *vport)
+{
+ /* return negative error values for bsg job */
+ switch (mb->mbxCommand) {
+ /* Offline only */
+ case MBX_INIT_LINK:
+ case MBX_DOWN_LINK:
+ case MBX_CONFIG_LINK:
+ case MBX_CONFIG_RING:
+ case MBX_RESET_RING:
+ case MBX_UNREG_LOGIN:
+ case MBX_CLEAR_LA:
+ case MBX_DUMP_CONTEXT:
+ case MBX_RUN_DIAGS:
+ case MBX_RESTART:
+ case MBX_SET_MASK:
+ if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2743 Command 0x%x is illegal in on-line "
+ "state\n",
+ mb->mbxCommand);
+ return -EPERM;
+ }
+ case MBX_WRITE_NV:
+ case MBX_WRITE_VPARMS:
+ case MBX_LOAD_SM:
+ case MBX_READ_NV:
+ case MBX_READ_CONFIG:
+ case MBX_READ_RCONFIG:
+ case MBX_READ_STATUS:
+ case MBX_READ_XRI:
+ case MBX_READ_REV:
+ case MBX_READ_LNK_STAT:
+ case MBX_DUMP_MEMORY:
+ case MBX_DOWN_LOAD:
+ case MBX_UPDATE_CFG:
+ case MBX_KILL_BOARD:
+ case MBX_LOAD_AREA:
+ case MBX_LOAD_EXP_ROM:
+ case MBX_BEACON:
+ case MBX_DEL_LD_ENTRY:
+ case MBX_SET_DEBUG:
+ case MBX_WRITE_WWN:
+ case MBX_SLI4_CONFIG:
+ case MBX_READ_EVENT_LOG:
+ case MBX_READ_EVENT_LOG_STATUS:
+ case MBX_WRITE_EVENT_LOG:
+ case MBX_PORT_CAPABILITIES:
+ case MBX_PORT_IOV_CONTROL:
+ case MBX_RUN_BIU_DIAG64:
+ break;
+ case MBX_SET_VARIABLE:
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "1226 mbox: set_variable 0x%x, 0x%x\n",
+ mb->un.varWords[0],
+ mb->un.varWords[1]);
+ if ((mb->un.varWords[0] == SETVAR_MLOMNT)
+ && (mb->un.varWords[1] == 1)) {
+ phba->wait_4_mlo_maint_flg = 1;
+ } else if (mb->un.varWords[0] == SETVAR_MLORST) {
+ phba->link_flag &= ~LS_LOOPBACK_MODE;
+ phba->fc_topology = LPFC_TOPOLOGY_PT_PT;
+ }
+ break;
+ case MBX_READ_SPARM64:
+ case MBX_READ_TOPOLOGY:
+ case MBX_REG_LOGIN:
+ case MBX_REG_LOGIN64:
+ case MBX_CONFIG_PORT:
+ case MBX_RUN_BIU_DIAG:
+ default:
+ lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+ "2742 Unknown Command 0x%x\n",
+ mb->mbxCommand);
+ return -EPERM;
+ }
+
+ return 0; /* ok */
+}
+
+/**
+ * lpfc_bsg_mbox_ext_cleanup - clean up context of multi-buffer mbox session
+ * @phba: Pointer to HBA context object.
+ *
+ * This is routine clean up and reset BSG handling of multi-buffer mbox
+ * command session.
+ **/
+static void
+lpfc_bsg_mbox_ext_session_reset(struct lpfc_hba *phba)
+{
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_IDLE)
+ return;
+
+ /* free all memory, including dma buffers */
+ lpfc_bsg_dma_page_list_free(phba,
+ &phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+ lpfc_bsg_dma_page_free(phba, phba->mbox_ext_buf_ctx.mbx_dmabuf);
+ /* multi-buffer write mailbox command pass-through complete */
+ memset((char *)&phba->mbox_ext_buf_ctx, 0,
+ sizeof(struct lpfc_mbox_ext_buf_ctx));
+ INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+
+ return;
+}
+
+/**
+ * lpfc_bsg_issue_mbox_ext_handle_job - job handler for multi-buffer mbox cmpl
+ * @phba: Pointer to HBA context object.
+ * @pmboxq: Pointer to mailbox command.
+ *
+ * This is routine handles BSG job for mailbox commands completions with
+ * multiple external buffers.
+ **/
+static struct fc_bsg_job *
+lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+{
+ struct bsg_job_data *dd_data;
+ struct fc_bsg_job *job;
+ uint8_t *pmb, *pmb_buf;
+ unsigned long flags;
+ uint32_t size;
+ int rc = 0;
+
+ spin_lock_irqsave(&phba->ct_ev_lock, flags);
+ dd_data = pmboxq->context1;
+ /* has the job already timed out? */
+ if (!dd_data) {
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ job = NULL;
+ goto job_done_out;
+ }
+
+ /*
+ * The outgoing buffer is readily referred from the dma buffer,
+ * just need to get header part from mailboxq structure.
*/
- from = (uint8_t *)&pmboxq->u.mb;
- to = (uint8_t *)dd_data->context_un.mbox.mb;
- memcpy(to, from, sizeof(MAILBOX_t));
- if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) {
- /* copy the extended data if any, count is in words */
- if (dd_data->context_un.mbox.outExtWLen) {
- from = (uint8_t *)dd_data->context_un.mbox.ext;
- to += sizeof(MAILBOX_t);
- size = dd_data->context_un.mbox.outExtWLen *
- sizeof(uint32_t);
- memcpy(to, from, size);
- } else if (pmboxq->u.mb.mbxCommand == MBX_RUN_BIU_DIAG64) {
- from = (uint8_t *)dd_data->context_un.mbox.
- dmp->dma.virt;
- to += sizeof(MAILBOX_t);
- size = dd_data->context_un.mbox.dmp->size;
- memcpy(to, from, size);
- } else if ((phba->sli_rev == LPFC_SLI_REV4) &&
- (pmboxq->u.mb.mbxCommand == MBX_DUMP_MEMORY)) {
- from = (uint8_t *)dd_data->context_un.mbox.dmp->dma.
- virt;
- to += sizeof(MAILBOX_t);
- size = pmboxq->u.mb.un.varWords[5];
- memcpy(to, from, size);
- } else if (pmboxq->u.mb.mbxCommand == MBX_READ_EVENT_LOG) {
- from = (uint8_t *)dd_data->context_un.
- mbox.dmp->dma.virt;
- to += sizeof(MAILBOX_t);
- size = dd_data->context_un.mbox.dmp->size;
- memcpy(to, from, size);
+ pmb = (uint8_t *)&pmboxq->u.mb;
+ pmb_buf = (uint8_t *)dd_data->context_un.mbox.mb;
+ memcpy(pmb_buf, pmb, sizeof(MAILBOX_t));
+
+ job = dd_data->context_un.mbox.set_job;
+ if (job) {
+ size = job->reply_payload.payload_len;
+ job->reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt,
+ pmb_buf, size);
+ /* result for successful */
+ job->reply->result = 0;
+ job->dd_data = NULL;
+ /* need to hold the lock util we set job->dd_data to NULL
+ * to hold off the timeout handler from midlayer to take
+ * any action.
+ */
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2937 SLI_CONFIG ext-buffer maibox command "
+ "(x%x/x%x) complete bsg job done, bsize:%d\n",
+ phba->mbox_ext_buf_ctx.nembType,
+ phba->mbox_ext_buf_ctx.mboxType, size);
+ } else
+ spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+
+job_done_out:
+ if (!job)
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2938 SLI_CONFIG ext-buffer maibox "
+ "command (x%x/x%x) failure, rc:x%x\n",
+ phba->mbox_ext_buf_ctx.nembType,
+ phba->mbox_ext_buf_ctx.mboxType, rc);
+ /* state change */
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_DONE;
+ kfree(dd_data);
+
+ return job;
+}
+
+/**
+ * lpfc_bsg_issue_read_mbox_ext_cmpl - compl handler for multi-buffer read mbox
+ * @phba: Pointer to HBA context object.
+ * @pmboxq: Pointer to mailbox command.
+ *
+ * This is completion handler function for mailbox read commands with multiple
+ * external buffers.
+ **/
+static void
+lpfc_bsg_issue_read_mbox_ext_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+{
+ struct fc_bsg_job *job;
+
+ /* handle the BSG job with mailbox command */
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_ABTS)
+ pmboxq->u.mb.mbxStatus = MBXERR_ERROR;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2939 SLI_CONFIG ext-buffer rd maibox command "
+ "complete, ctxState:x%x, mbxStatus:x%x\n",
+ phba->mbox_ext_buf_ctx.state, pmboxq->u.mb.mbxStatus);
+
+ job = lpfc_bsg_issue_mbox_ext_handle_job(phba, pmboxq);
+
+ if (pmboxq->u.mb.mbxStatus || phba->mbox_ext_buf_ctx.numBuf == 1)
+ lpfc_bsg_mbox_ext_session_reset(phba);
+
+ /* free base driver mailbox structure memory */
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+
+ /* complete the bsg job if we have it */
+ if (job)
+ job->job_done(job);
+
+ return;
+}
+
+/**
+ * lpfc_bsg_issue_write_mbox_ext_cmpl - cmpl handler for multi-buffer write mbox
+ * @phba: Pointer to HBA context object.
+ * @pmboxq: Pointer to mailbox command.
+ *
+ * This is completion handler function for mailbox write commands with multiple
+ * external buffers.
+ **/
+static void
+lpfc_bsg_issue_write_mbox_ext_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
+{
+ struct fc_bsg_job *job;
+
+ /* handle the BSG job with the mailbox command */
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_ABTS)
+ pmboxq->u.mb.mbxStatus = MBXERR_ERROR;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2940 SLI_CONFIG ext-buffer wr maibox command "
+ "complete, ctxState:x%x, mbxStatus:x%x\n",
+ phba->mbox_ext_buf_ctx.state, pmboxq->u.mb.mbxStatus);
+
+ job = lpfc_bsg_issue_mbox_ext_handle_job(phba, pmboxq);
+
+ /* free all memory, including dma buffers */
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ lpfc_bsg_mbox_ext_session_reset(phba);
+
+ /* complete the bsg job if we have it */
+ if (job)
+ job->job_done(job);
+
+ return;
+}
+
+static void
+lpfc_bsg_sli_cfg_dma_desc_setup(struct lpfc_hba *phba, enum nemb_type nemb_tp,
+ uint32_t index, struct lpfc_dmabuf *mbx_dmabuf,
+ struct lpfc_dmabuf *ext_dmabuf)
+{
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+
+ /* pointer to the start of mailbox command */
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)mbx_dmabuf->virt;
+
+ if (nemb_tp == nemb_mse) {
+ if (index == 0) {
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_hi =
+ putPaddrHigh(mbx_dmabuf->phys +
+ sizeof(MAILBOX_t));
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_lo =
+ putPaddrLow(mbx_dmabuf->phys +
+ sizeof(MAILBOX_t));
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2943 SLI_CONFIG(mse)[%d], "
+ "bufLen:%d, addrHi:x%x, addrLo:x%x\n",
+ index,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].buf_len,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_hi,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_lo);
+ } else {
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_hi =
+ putPaddrHigh(ext_dmabuf->phys);
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_lo =
+ putPaddrLow(ext_dmabuf->phys);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2944 SLI_CONFIG(mse)[%d], "
+ "bufLen:%d, addrHi:x%x, addrLo:x%x\n",
+ index,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].buf_len,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_hi,
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[index].pa_lo);
+ }
+ } else {
+ if (index == 0) {
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_hi =
+ putPaddrHigh(mbx_dmabuf->phys +
+ sizeof(MAILBOX_t));
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_lo =
+ putPaddrLow(mbx_dmabuf->phys +
+ sizeof(MAILBOX_t));
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "3007 SLI_CONFIG(hbd)[%d], "
+ "bufLen:%d, addrHi:x%x, addrLo:x%x\n",
+ index,
+ bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len,
+ &sli_cfg_mbx->un.
+ sli_config_emb1_subsys.hbd[index]),
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_hi,
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_lo);
+
+ } else {
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_hi =
+ putPaddrHigh(ext_dmabuf->phys);
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_lo =
+ putPaddrLow(ext_dmabuf->phys);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "3008 SLI_CONFIG(hbd)[%d], "
+ "bufLen:%d, addrHi:x%x, addrLo:x%x\n",
+ index,
+ bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len,
+ &sli_cfg_mbx->un.
+ sli_config_emb1_subsys.hbd[index]),
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_hi,
+ sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[index].pa_lo);
+ }
+ }
+ return;
+}
+
+/**
+ * lpfc_bsg_sli_cfg_mse_read_cmd_ext - sli_config non-embedded mailbox cmd read
+ * @phba: Pointer to HBA context object.
+ * @mb: Pointer to a BSG mailbox object.
+ * @nemb_tp: Enumerate of non-embedded mailbox command type.
+ * @dmabuff: Pointer to a DMA buffer descriptor.
+ *
+ * This routine performs SLI_CONFIG (0x9B) read mailbox command operation with
+ * non-embedded external bufffers.
+ **/
+static int
+lpfc_bsg_sli_cfg_read_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ enum nemb_type nemb_tp,
+ struct lpfc_dmabuf *dmabuf)
+{
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ struct dfc_mbox_req *mbox_req;
+ struct lpfc_dmabuf *curr_dmabuf, *next_dmabuf;
+ uint32_t ext_buf_cnt, ext_buf_index;
+ struct lpfc_dmabuf *ext_dmabuf = NULL;
+ struct bsg_job_data *dd_data = NULL;
+ LPFC_MBOXQ_t *pmboxq = NULL;
+ MAILBOX_t *pmb;
+ uint8_t *pmbx;
+ int rc, i;
+
+ mbox_req =
+ (struct dfc_mbox_req *)job->request->rqst_data.h_vendor.vendor_cmd;
+
+ /* pointer to the start of mailbox command */
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt;
+
+ if (nemb_tp == nemb_mse) {
+ ext_buf_cnt = bsg_bf_get(lpfc_mbox_hdr_mse_cnt,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr);
+ if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_MSE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2945 Handled SLI_CONFIG(mse) rd, "
+ "ext_buf_cnt(%d) out of range(%d)\n",
+ ext_buf_cnt,
+ LPFC_MBX_SLI_CONFIG_MAX_MSE);
+ rc = -ERANGE;
+ goto job_error;
+ }
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2941 Handled SLI_CONFIG(mse) rd, "
+ "ext_buf_cnt:%d\n", ext_buf_cnt);
+ } else {
+ /* sanity check on interface type for support */
+ if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_2) {
+ rc = -ENODEV;
+ goto job_error;
+ }
+ /* nemb_tp == nemb_hbd */
+ ext_buf_cnt = sli_cfg_mbx->un.sli_config_emb1_subsys.hbd_count;
+ if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_HBD) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2946 Handled SLI_CONFIG(hbd) rd, "
+ "ext_buf_cnt(%d) out of range(%d)\n",
+ ext_buf_cnt,
+ LPFC_MBX_SLI_CONFIG_MAX_HBD);
+ rc = -ERANGE;
+ goto job_error;
+ }
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2942 Handled SLI_CONFIG(hbd) rd, "
+ "ext_buf_cnt:%d\n", ext_buf_cnt);
+ }
+
+ /* reject non-embedded mailbox command with none external buffer */
+ if (ext_buf_cnt == 0) {
+ rc = -EPERM;
+ goto job_error;
+ } else if (ext_buf_cnt > 1) {
+ /* additional external read buffers */
+ for (i = 1; i < ext_buf_cnt; i++) {
+ ext_dmabuf = lpfc_bsg_dma_page_alloc(phba);
+ if (!ext_dmabuf) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+ list_add_tail(&ext_dmabuf->list,
+ &phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+ }
+ }
+
+ /* bsg tracking structure */
+ dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
+ if (!dd_data) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+
+ /* mailbox command structure for base driver */
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+ /* for the first external buffer */
+ lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, 0, dmabuf, dmabuf);
+
+ /* for the rest of external buffer descriptors if any */
+ if (ext_buf_cnt > 1) {
+ ext_buf_index = 1;
+ list_for_each_entry_safe(curr_dmabuf, next_dmabuf,
+ &phba->mbox_ext_buf_ctx.ext_dmabuf_list, list) {
+ lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp,
+ ext_buf_index, dmabuf,
+ curr_dmabuf);
+ ext_buf_index++;
+ }
+ }
+
+ /* construct base driver mbox command */
+ pmb = &pmboxq->u.mb;
+ pmbx = (uint8_t *)dmabuf->virt;
+ memcpy(pmb, pmbx, sizeof(*pmb));
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->vport = phba->pport;
+
+ /* multi-buffer handling context */
+ phba->mbox_ext_buf_ctx.nembType = nemb_tp;
+ phba->mbox_ext_buf_ctx.mboxType = mbox_rd;
+ phba->mbox_ext_buf_ctx.numBuf = ext_buf_cnt;
+ phba->mbox_ext_buf_ctx.mbxTag = mbox_req->extMboxTag;
+ phba->mbox_ext_buf_ctx.seqNum = mbox_req->extSeqNum;
+ phba->mbox_ext_buf_ctx.mbx_dmabuf = dmabuf;
+
+ /* callback for multi-buffer read mailbox command */
+ pmboxq->mbox_cmpl = lpfc_bsg_issue_read_mbox_ext_cmpl;
+
+ /* context fields to callback function */
+ pmboxq->context1 = dd_data;
+ dd_data->type = TYPE_MBOX;
+ dd_data->context_un.mbox.pmboxq = pmboxq;
+ dd_data->context_un.mbox.mb = (MAILBOX_t *)pmbx;
+ dd_data->context_un.mbox.set_job = job;
+ job->dd_data = dd_data;
+
+ /* state change */
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT;
+
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+ if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2947 Issued SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ return SLI_CONFIG_HANDLED;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2948 Failed to issue SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ rc = -EPIPE;
+
+job_error:
+ if (pmboxq)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ lpfc_bsg_dma_page_list_free(phba,
+ &phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+ kfree(dd_data);
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_IDLE;
+ return rc;
+}
+
+/**
+ * lpfc_bsg_sli_cfg_write_cmd_ext - sli_config non-embedded mailbox cmd write
+ * @phba: Pointer to HBA context object.
+ * @mb: Pointer to a BSG mailbox object.
+ * @dmabuff: Pointer to a DMA buffer descriptor.
+ *
+ * This routine performs SLI_CONFIG (0x9B) write mailbox command operation with
+ * non-embedded external bufffers.
+ **/
+static int
+lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ enum nemb_type nemb_tp,
+ struct lpfc_dmabuf *dmabuf)
+{
+ struct dfc_mbox_req *mbox_req;
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ uint32_t ext_buf_cnt;
+ struct bsg_job_data *dd_data = NULL;
+ LPFC_MBOXQ_t *pmboxq = NULL;
+ MAILBOX_t *pmb;
+ uint8_t *mbx;
+ int rc = SLI_CONFIG_NOT_HANDLED, i;
+
+ mbox_req =
+ (struct dfc_mbox_req *)job->request->rqst_data.h_vendor.vendor_cmd;
+
+ /* pointer to the start of mailbox command */
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt;
+
+ if (nemb_tp == nemb_mse) {
+ ext_buf_cnt = bsg_bf_get(lpfc_mbox_hdr_mse_cnt,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr);
+ if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_MSE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2953 Handled SLI_CONFIG(mse) wr, "
+ "ext_buf_cnt(%d) out of range(%d)\n",
+ ext_buf_cnt,
+ LPFC_MBX_SLI_CONFIG_MAX_MSE);
+ return -ERANGE;
+ }
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2949 Handled SLI_CONFIG(mse) wr, "
+ "ext_buf_cnt:%d\n", ext_buf_cnt);
+ } else {
+ /* sanity check on interface type for support */
+ if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+ LPFC_SLI_INTF_IF_TYPE_2)
+ return -ENODEV;
+ /* nemb_tp == nemb_hbd */
+ ext_buf_cnt = sli_cfg_mbx->un.sli_config_emb1_subsys.hbd_count;
+ if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_HBD) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2954 Handled SLI_CONFIG(hbd) wr, "
+ "ext_buf_cnt(%d) out of range(%d)\n",
+ ext_buf_cnt,
+ LPFC_MBX_SLI_CONFIG_MAX_HBD);
+ return -ERANGE;
+ }
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2950 Handled SLI_CONFIG(hbd) wr, "
+ "ext_buf_cnt:%d\n", ext_buf_cnt);
+ }
+
+ if (ext_buf_cnt == 0)
+ return -EPERM;
+
+ /* for the first external buffer */
+ lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, 0, dmabuf, dmabuf);
+
+ /* log for looking forward */
+ for (i = 1; i < ext_buf_cnt; i++) {
+ if (nemb_tp == nemb_mse)
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2951 SLI_CONFIG(mse), buf[%d]-length:%d\n",
+ i, sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[i].buf_len);
+ else
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2952 SLI_CONFIG(hbd), buf[%d]-length:%d\n",
+ i, bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len,
+ &sli_cfg_mbx->un.sli_config_emb1_subsys.
+ hbd[i]));
+ }
+
+ /* multi-buffer handling context */
+ phba->mbox_ext_buf_ctx.nembType = nemb_tp;
+ phba->mbox_ext_buf_ctx.mboxType = mbox_wr;
+ phba->mbox_ext_buf_ctx.numBuf = ext_buf_cnt;
+ phba->mbox_ext_buf_ctx.mbxTag = mbox_req->extMboxTag;
+ phba->mbox_ext_buf_ctx.seqNum = mbox_req->extSeqNum;
+ phba->mbox_ext_buf_ctx.mbx_dmabuf = dmabuf;
+
+ if (ext_buf_cnt == 1) {
+ /* bsg tracking structure */
+ dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
+ if (!dd_data) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+
+ /* mailbox command structure for base driver */
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+ pmb = &pmboxq->u.mb;
+ mbx = (uint8_t *)dmabuf->virt;
+ memcpy(pmb, mbx, sizeof(*pmb));
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->vport = phba->pport;
+
+ /* callback for multi-buffer read mailbox command */
+ pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
+
+ /* context fields to callback function */
+ pmboxq->context1 = dd_data;
+ dd_data->type = TYPE_MBOX;
+ dd_data->context_un.mbox.pmboxq = pmboxq;
+ dd_data->context_un.mbox.mb = (MAILBOX_t *)mbx;
+ dd_data->context_un.mbox.set_job = job;
+ job->dd_data = dd_data;
+
+ /* state change */
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT;
+
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+ if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2955 Issued SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ return SLI_CONFIG_HANDLED;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2956 Failed to issue SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ rc = -EPIPE;
+ }
+
+ /* wait for additoinal external buffers */
+ job->reply->result = 0;
+ job->job_done(job);
+ return SLI_CONFIG_HANDLED;
+
+job_error:
+ if (pmboxq)
+ mempool_free(pmboxq, phba->mbox_mem_pool);
+ kfree(dd_data);
+
+ return rc;
+}
+
+/**
+ * lpfc_bsg_handle_sli_cfg_mbox - handle sli-cfg mailbox cmd with ext buffer
+ * @phba: Pointer to HBA context object.
+ * @mb: Pointer to a BSG mailbox object.
+ * @dmabuff: Pointer to a DMA buffer descriptor.
+ *
+ * This routine handles SLI_CONFIG (0x9B) mailbox command with non-embedded
+ * external bufffers, including both 0x9B with non-embedded MSEs and 0x9B
+ * with embedded sussystem 0x1 and opcodes with external HBDs.
+ **/
+static int
+lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ struct lpfc_dmabuf *dmabuf)
+{
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ uint32_t subsys;
+ uint32_t opcode;
+ int rc = SLI_CONFIG_NOT_HANDLED;
+
+ /* state change */
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_HOST;
+
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt;
+
+ if (!bsg_bf_get(lpfc_mbox_hdr_emb,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) {
+ subsys = bsg_bf_get(lpfc_emb0_subcmnd_subsys,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys);
+ opcode = bsg_bf_get(lpfc_emb0_subcmnd_opcode,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys);
+ if (subsys == SLI_CONFIG_SUBSYS_FCOE) {
+ switch (opcode) {
+ case FCOE_OPCODE_READ_FCF:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2957 Handled SLI_CONFIG "
+ "subsys_fcoe, opcode:x%x\n",
+ opcode);
+ rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job,
+ nemb_mse, dmabuf);
+ break;
+ case FCOE_OPCODE_ADD_FCF:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2958 Handled SLI_CONFIG "
+ "subsys_fcoe, opcode:x%x\n",
+ opcode);
+ rc = lpfc_bsg_sli_cfg_write_cmd_ext(phba, job,
+ nemb_mse, dmabuf);
+ break;
+ default:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2959 Not handled SLI_CONFIG "
+ "subsys_fcoe, opcode:x%x\n",
+ opcode);
+ rc = SLI_CONFIG_NOT_HANDLED;
+ break;
+ }
+ } else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2977 Handled SLI_CONFIG "
+ "subsys:x%d, opcode:x%x\n",
+ subsys, opcode);
+ rc = SLI_CONFIG_NOT_HANDLED;
+ }
+ } else {
+ subsys = bsg_bf_get(lpfc_emb1_subcmnd_subsys,
+ &sli_cfg_mbx->un.sli_config_emb1_subsys);
+ opcode = bsg_bf_get(lpfc_emb1_subcmnd_opcode,
+ &sli_cfg_mbx->un.sli_config_emb1_subsys);
+ if (subsys == SLI_CONFIG_SUBSYS_COMN) {
+ switch (opcode) {
+ case COMN_OPCODE_READ_OBJECT:
+ case COMN_OPCODE_READ_OBJECT_LIST:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2960 Handled SLI_CONFIG "
+ "subsys_comn, opcode:x%x\n",
+ opcode);
+ rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job,
+ nemb_hbd, dmabuf);
+ break;
+ case COMN_OPCODE_WRITE_OBJECT:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2961 Handled SLI_CONFIG "
+ "subsys_comn, opcode:x%x\n",
+ opcode);
+ rc = lpfc_bsg_sli_cfg_write_cmd_ext(phba, job,
+ nemb_hbd, dmabuf);
+ break;
+ default:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2962 Not handled SLI_CONFIG "
+ "subsys_comn, opcode:x%x\n",
+ opcode);
+ rc = SLI_CONFIG_NOT_HANDLED;
+ break;
+ }
+ } else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2978 Handled SLI_CONFIG "
+ "subsys:x%d, opcode:x%x\n",
+ subsys, opcode);
+ rc = SLI_CONFIG_NOT_HANDLED;
+ }
+ }
+ return rc;
+}
+
+/**
+ * lpfc_bsg_mbox_ext_abort_req - request to abort mbox command with ext buffers
+ * @phba: Pointer to HBA context object.
+ *
+ * This routine is for requesting to abort a pass-through mailbox command with
+ * multiple external buffers due to error condition.
+ **/
+static void
+lpfc_bsg_mbox_ext_abort(struct lpfc_hba *phba)
+{
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_PORT)
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_ABTS;
+ else
+ lpfc_bsg_mbox_ext_session_reset(phba);
+ return;
+}
+
+/**
+ * lpfc_bsg_read_ebuf_get - get the next mailbox read external buffer
+ * @phba: Pointer to HBA context object.
+ * @dmabuf: Pointer to a DMA buffer descriptor.
+ *
+ * This routine extracts the next mailbox read external buffer back to
+ * user space through BSG.
+ **/
+static int
+lpfc_bsg_read_ebuf_get(struct lpfc_hba *phba, struct fc_bsg_job *job)
+{
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ struct lpfc_dmabuf *dmabuf;
+ uint8_t *pbuf;
+ uint32_t size;
+ uint32_t index;
+
+ index = phba->mbox_ext_buf_ctx.seqNum;
+ phba->mbox_ext_buf_ctx.seqNum++;
+
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)
+ phba->mbox_ext_buf_ctx.mbx_dmabuf->virt;
+
+ if (phba->mbox_ext_buf_ctx.nembType == nemb_mse) {
+ size = bsg_bf_get(lpfc_mbox_sli_config_mse_len,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.mse[index]);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2963 SLI_CONFIG (mse) ext-buffer rd get "
+ "buffer[%d], size:%d\n", index, size);
+ } else {
+ size = bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len,
+ &sli_cfg_mbx->un.sli_config_emb1_subsys.hbd[index]);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2964 SLI_CONFIG (hbd) ext-buffer rd get "
+ "buffer[%d], size:%d\n", index, size);
+ }
+ if (list_empty(&phba->mbox_ext_buf_ctx.ext_dmabuf_list))
+ return -EPIPE;
+ dmabuf = list_first_entry(&phba->mbox_ext_buf_ctx.ext_dmabuf_list,
+ struct lpfc_dmabuf, list);
+ list_del_init(&dmabuf->list);
+ pbuf = (uint8_t *)dmabuf->virt;
+ job->reply->reply_payload_rcv_len =
+ sg_copy_from_buffer(job->reply_payload.sg_list,
+ job->reply_payload.sg_cnt,
+ pbuf, size);
+
+ lpfc_bsg_dma_page_free(phba, dmabuf);
+
+ if (phba->mbox_ext_buf_ctx.seqNum == phba->mbox_ext_buf_ctx.numBuf) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2965 SLI_CONFIG (hbd) ext-buffer rd mbox "
+ "command session done\n");
+ lpfc_bsg_mbox_ext_session_reset(phba);
+ }
+
+ job->reply->result = 0;
+ job->job_done(job);
+
+ return SLI_CONFIG_HANDLED;
+}
+
+/**
+ * lpfc_bsg_write_ebuf_set - set the next mailbox write external buffer
+ * @phba: Pointer to HBA context object.
+ * @dmabuf: Pointer to a DMA buffer descriptor.
+ *
+ * This routine sets up the next mailbox read external buffer obtained
+ * from user space through BSG.
+ **/
+static int
+lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ struct lpfc_dmabuf *dmabuf)
+{
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ struct bsg_job_data *dd_data = NULL;
+ LPFC_MBOXQ_t *pmboxq = NULL;
+ MAILBOX_t *pmb;
+ enum nemb_type nemb_tp;
+ uint8_t *pbuf;
+ uint32_t size;
+ uint32_t index;
+ int rc;
+
+ index = phba->mbox_ext_buf_ctx.seqNum;
+ phba->mbox_ext_buf_ctx.seqNum++;
+ nemb_tp = phba->mbox_ext_buf_ctx.nembType;
+
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)
+ phba->mbox_ext_buf_ctx.mbx_dmabuf->virt;
+
+ dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
+ if (!dd_data) {
+ rc = -ENOMEM;
+ goto job_error;
+ }
+
+ pbuf = (uint8_t *)dmabuf->virt;
+ size = job->request_payload.payload_len;
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt,
+ pbuf, size);
+
+ if (phba->mbox_ext_buf_ctx.nembType == nemb_mse) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2966 SLI_CONFIG (mse) ext-buffer wr set "
+ "buffer[%d], size:%d\n",
+ phba->mbox_ext_buf_ctx.seqNum, size);
+
+ } else {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2967 SLI_CONFIG (hbd) ext-buffer wr set "
+ "buffer[%d], size:%d\n",
+ phba->mbox_ext_buf_ctx.seqNum, size);
+
+ }
+
+ /* set up external buffer descriptor and add to external buffer list */
+ lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, index,
+ phba->mbox_ext_buf_ctx.mbx_dmabuf,
+ dmabuf);
+ list_add_tail(&dmabuf->list, &phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+
+ if (phba->mbox_ext_buf_ctx.seqNum == phba->mbox_ext_buf_ctx.numBuf) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2968 SLI_CONFIG ext-buffer wr all %d "
+ "ebuffers received\n",
+ phba->mbox_ext_buf_ctx.numBuf);
+ /* mailbox command structure for base driver */
+ pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmboxq) {
+ rc = -ENOMEM;
+ goto job_error;
}
+ memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+ pbuf = (uint8_t *)phba->mbox_ext_buf_ctx.mbx_dmabuf->virt;
+ pmb = &pmboxq->u.mb;
+ memcpy(pmb, pbuf, sizeof(*pmb));
+ pmb->mbxOwner = OWN_HOST;
+ pmboxq->vport = phba->pport;
+
+ /* callback for multi-buffer write mailbox command */
+ pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl;
+
+ /* context fields to callback function */
+ pmboxq->context1 = dd_data;
+ dd_data->type = TYPE_MBOX;
+ dd_data->context_un.mbox.pmboxq = pmboxq;
+ dd_data->context_un.mbox.mb = (MAILBOX_t *)pbuf;
+ dd_data->context_un.mbox.set_job = job;
+ job->dd_data = dd_data;
+
+ /* state change */
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT;
+
+ rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
+ if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2969 Issued SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ return SLI_CONFIG_HANDLED;
+ }
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2970 Failed to issue SLI_CONFIG ext-buffer "
+ "maibox command, rc:x%x\n", rc);
+ rc = -EPIPE;
+ goto job_error;
}
- from = (uint8_t *)dd_data->context_un.mbox.mb;
- job = dd_data->context_un.mbox.set_job;
- size = job->reply_payload.payload_len;
- job->reply->reply_payload_rcv_len =
- sg_copy_from_buffer(job->reply_payload.sg_list,
- job->reply_payload.sg_cnt,
- from, size);
+ /* wait for additoinal external buffers */
job->reply->result = 0;
-
- dd_data->context_un.mbox.set_job = NULL;
- job->dd_data = NULL;
job->job_done(job);
- /* need to hold the lock until we call job done to hold off
- * the timeout handler returning to the midlayer while
- * we are stillprocessing the job
- */
- spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+ return SLI_CONFIG_HANDLED;
- kfree(dd_data->context_un.mbox.mb);
- mempool_free(dd_data->context_un.mbox.pmboxq, phba->mbox_mem_pool);
- kfree(dd_data->context_un.mbox.ext);
- if (dd_data->context_un.mbox.dmp) {
- dma_free_coherent(&phba->pcidev->dev,
- dd_data->context_un.mbox.dmp->size,
- dd_data->context_un.mbox.dmp->dma.virt,
- dd_data->context_un.mbox.dmp->dma.phys);
- kfree(dd_data->context_un.mbox.dmp);
- }
- if (dd_data->context_un.mbox.rxbmp) {
- lpfc_mbuf_free(phba, dd_data->context_un.mbox.rxbmp->virt,
- dd_data->context_un.mbox.rxbmp->phys);
- kfree(dd_data->context_un.mbox.rxbmp);
- }
+job_error:
+ lpfc_bsg_dma_page_free(phba, dmabuf);
kfree(dd_data);
- return;
+
+ return rc;
}
/**
- * lpfc_bsg_check_cmd_access - test for a supported mailbox command
+ * lpfc_bsg_handle_sli_cfg_ebuf - handle ext buffer with sli-cfg mailbox cmd
* @phba: Pointer to HBA context object.
- * @mb: Pointer to a mailbox object.
- * @vport: Pointer to a vport object.
+ * @mb: Pointer to a BSG mailbox object.
+ * @dmabuff: Pointer to a DMA buffer descriptor.
*
- * Some commands require the port to be offline, some may not be called from
- * the application.
+ * This routine handles the external buffer with SLI_CONFIG (0x9B) mailbox
+ * command with multiple non-embedded external buffers.
**/
-static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
- MAILBOX_t *mb, struct lpfc_vport *vport)
+static int
+lpfc_bsg_handle_sli_cfg_ebuf(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ struct lpfc_dmabuf *dmabuf)
{
- /* return negative error values for bsg job */
- switch (mb->mbxCommand) {
- /* Offline only */
- case MBX_INIT_LINK:
- case MBX_DOWN_LINK:
- case MBX_CONFIG_LINK:
- case MBX_CONFIG_RING:
- case MBX_RESET_RING:
- case MBX_UNREG_LOGIN:
- case MBX_CLEAR_LA:
- case MBX_DUMP_CONTEXT:
- case MBX_RUN_DIAGS:
- case MBX_RESTART:
- case MBX_SET_MASK:
- if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
- lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
- "2743 Command 0x%x is illegal in on-line "
- "state\n",
- mb->mbxCommand);
- return -EPERM;
+ int rc;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2971 SLI_CONFIG buffer (type:x%x)\n",
+ phba->mbox_ext_buf_ctx.mboxType);
+
+ if (phba->mbox_ext_buf_ctx.mboxType == mbox_rd) {
+ if (phba->mbox_ext_buf_ctx.state != LPFC_BSG_MBOX_DONE) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2972 SLI_CONFIG rd buffer state "
+ "mismatch:x%x\n",
+ phba->mbox_ext_buf_ctx.state);
+ lpfc_bsg_mbox_ext_abort(phba);
+ return -EPIPE;
}
- case MBX_WRITE_NV:
- case MBX_WRITE_VPARMS:
- case MBX_LOAD_SM:
- case MBX_READ_NV:
- case MBX_READ_CONFIG:
- case MBX_READ_RCONFIG:
- case MBX_READ_STATUS:
- case MBX_READ_XRI:
- case MBX_READ_REV:
- case MBX_READ_LNK_STAT:
- case MBX_DUMP_MEMORY:
- case MBX_DOWN_LOAD:
- case MBX_UPDATE_CFG:
- case MBX_KILL_BOARD:
- case MBX_LOAD_AREA:
- case MBX_LOAD_EXP_ROM:
- case MBX_BEACON:
- case MBX_DEL_LD_ENTRY:
- case MBX_SET_DEBUG:
- case MBX_WRITE_WWN:
- case MBX_SLI4_CONFIG:
- case MBX_READ_EVENT_LOG:
- case MBX_READ_EVENT_LOG_STATUS:
- case MBX_WRITE_EVENT_LOG:
- case MBX_PORT_CAPABILITIES:
- case MBX_PORT_IOV_CONTROL:
- case MBX_RUN_BIU_DIAG64:
- break;
- case MBX_SET_VARIABLE:
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "1226 mbox: set_variable 0x%x, 0x%x\n",
- mb->un.varWords[0],
- mb->un.varWords[1]);
- if ((mb->un.varWords[0] == SETVAR_MLOMNT)
- && (mb->un.varWords[1] == 1)) {
- phba->wait_4_mlo_maint_flg = 1;
- } else if (mb->un.varWords[0] == SETVAR_MLORST) {
- phba->link_flag &= ~LS_LOOPBACK_MODE;
- phba->fc_topology = TOPOLOGY_PT_PT;
+ rc = lpfc_bsg_read_ebuf_get(phba, job);
+ if (rc == SLI_CONFIG_HANDLED)
+ lpfc_bsg_dma_page_free(phba, dmabuf);
+ } else { /* phba->mbox_ext_buf_ctx.mboxType == mbox_wr */
+ if (phba->mbox_ext_buf_ctx.state != LPFC_BSG_MBOX_HOST) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2973 SLI_CONFIG wr buffer state "
+ "mismatch:x%x\n",
+ phba->mbox_ext_buf_ctx.state);
+ lpfc_bsg_mbox_ext_abort(phba);
+ return -EPIPE;
}
- break;
- case MBX_READ_SPARM64:
- case MBX_READ_LA:
- case MBX_READ_LA64:
- case MBX_REG_LOGIN:
- case MBX_REG_LOGIN64:
- case MBX_CONFIG_PORT:
- case MBX_RUN_BIU_DIAG:
- default:
- lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
- "2742 Unknown Command 0x%x\n",
- mb->mbxCommand);
- return -EPERM;
+ rc = lpfc_bsg_write_ebuf_set(phba, job, dmabuf);
}
+ return rc;
+}
- return 0; /* ok */
+/**
+ * lpfc_bsg_handle_sli_cfg_ext - handle sli-cfg mailbox with external buffer
+ * @phba: Pointer to HBA context object.
+ * @mb: Pointer to a BSG mailbox object.
+ * @dmabuff: Pointer to a DMA buffer descriptor.
+ *
+ * This routine checkes and handles non-embedded multi-buffer SLI_CONFIG
+ * (0x9B) mailbox commands and external buffers.
+ **/
+static int
+lpfc_bsg_handle_sli_cfg_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
+ struct lpfc_dmabuf *dmabuf)
+{
+ struct dfc_mbox_req *mbox_req;
+ int rc = SLI_CONFIG_NOT_HANDLED;
+
+ mbox_req =
+ (struct dfc_mbox_req *)job->request->rqst_data.h_vendor.vendor_cmd;
+
+ /* mbox command with/without single external buffer */
+ if (mbox_req->extMboxTag == 0 && mbox_req->extSeqNum == 0)
+ return rc;
+
+ /* mbox command and first external buffer */
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_IDLE) {
+ if (mbox_req->extSeqNum == 1) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2974 SLI_CONFIG mailbox: tag:%d, "
+ "seq:%d\n", mbox_req->extMboxTag,
+ mbox_req->extSeqNum);
+ rc = lpfc_bsg_handle_sli_cfg_mbox(phba, job, dmabuf);
+ return rc;
+ } else
+ goto sli_cfg_ext_error;
+ }
+
+ /*
+ * handle additional external buffers
+ */
+
+ /* check broken pipe conditions */
+ if (mbox_req->extMboxTag != phba->mbox_ext_buf_ctx.mbxTag)
+ goto sli_cfg_ext_error;
+ if (mbox_req->extSeqNum > phba->mbox_ext_buf_ctx.numBuf)
+ goto sli_cfg_ext_error;
+ if (mbox_req->extSeqNum != phba->mbox_ext_buf_ctx.seqNum + 1)
+ goto sli_cfg_ext_error;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2975 SLI_CONFIG mailbox external buffer: "
+ "extSta:x%x, tag:%d, seq:%d\n",
+ phba->mbox_ext_buf_ctx.state, mbox_req->extMboxTag,
+ mbox_req->extSeqNum);
+ rc = lpfc_bsg_handle_sli_cfg_ebuf(phba, job, dmabuf);
+ return rc;
+
+sli_cfg_ext_error:
+ /* all other cases, broken pipe */
+ lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
+ "2976 SLI_CONFIG mailbox broken pipe: "
+ "ctxSta:x%x, ctxNumBuf:%d "
+ "ctxTag:%d, ctxSeq:%d, tag:%d, seq:%d\n",
+ phba->mbox_ext_buf_ctx.state,
+ phba->mbox_ext_buf_ctx.numBuf,
+ phba->mbox_ext_buf_ctx.mbxTag,
+ phba->mbox_ext_buf_ctx.seqNum,
+ mbox_req->extMboxTag, mbox_req->extSeqNum);
+
+ lpfc_bsg_mbox_ext_session_reset(phba);
+
+ return -EPIPE;
}
/**
LPFC_MBOXQ_t *pmboxq = NULL; /* internal mailbox queue */
MAILBOX_t *pmb; /* shortcut to the pmboxq mailbox */
/* a 4k buffer to hold the mb and extended data from/to the bsg */
- MAILBOX_t *mb = NULL;
+ uint8_t *pmbx = NULL;
struct bsg_job_data *dd_data = NULL; /* bsg data tracking structure */
- uint32_t size;
- struct lpfc_dmabuf *rxbmp = NULL; /* for biu diag */
- struct lpfc_dmabufext *dmp = NULL; /* for biu diag */
- struct ulp_bde64 *rxbpl = NULL;
- struct dfc_mbox_req *mbox_req = (struct dfc_mbox_req *)
- job->request->rqst_data.h_vendor.vendor_cmd;
+ struct lpfc_dmabuf *dmabuf = NULL;
+ struct dfc_mbox_req *mbox_req;
+ struct READ_EVENT_LOG_VAR *rdEventLog;
+ uint32_t transmit_length, receive_length, mode;
+ struct lpfc_mbx_sli4_config *sli4_config;
+ struct lpfc_mbx_nembed_cmd *nembed_sge;
+ struct mbox_header *header;
+ struct ulp_bde64 *bde;
uint8_t *ext = NULL;
int rc = 0;
uint8_t *from;
+ uint32_t size;
+
/* in case no data is transferred */
job->reply->reply_payload_rcv_len = 0;
+ /* sanity check to protect driver */
+ if (job->reply_payload.payload_len > BSG_MBOX_SIZE ||
+ job->request_payload.payload_len > BSG_MBOX_SIZE) {
+ rc = -ERANGE;
+ goto job_done;
+ }
+
+ /*
+ * Don't allow mailbox commands to be sent when blocked or when in
+ * the middle of discovery
+ */
+ if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
+ rc = -EAGAIN;
+ goto job_done;
+ }
+
+ mbox_req =
+ (struct dfc_mbox_req *)job->request->rqst_data.h_vendor.vendor_cmd;
+
/* check if requested extended data lengths are valid */
- if ((mbox_req->inExtWLen > MAILBOX_EXT_SIZE) ||
- (mbox_req->outExtWLen > MAILBOX_EXT_SIZE)) {
+ if ((mbox_req->inExtWLen > BSG_MBOX_SIZE/sizeof(uint32_t)) ||
+ (mbox_req->outExtWLen > BSG_MBOX_SIZE/sizeof(uint32_t))) {
rc = -ERANGE;
goto job_done;
}
+ dmabuf = lpfc_bsg_dma_page_alloc(phba);
+ if (!dmabuf || !dmabuf->virt) {
+ rc = -ENOMEM;
+ goto job_done;
+ }
+
+ /* Get the mailbox command or external buffer from BSG */
+ pmbx = (uint8_t *)dmabuf->virt;
+ size = job->request_payload.payload_len;
+ sg_copy_to_buffer(job->request_payload.sg_list,
+ job->request_payload.sg_cnt, pmbx, size);
+
+ /* Handle possible SLI_CONFIG with non-embedded payloads */
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ rc = lpfc_bsg_handle_sli_cfg_ext(phba, job, dmabuf);
+ if (rc == SLI_CONFIG_HANDLED)
+ goto job_cont;
+ if (rc)
+ goto job_done;
+ /* SLI_CONFIG_NOT_HANDLED for other mailbox commands */
+ }
+
+ rc = lpfc_bsg_check_cmd_access(phba, (MAILBOX_t *)pmbx, vport);
+ if (rc != 0)
+ goto job_done; /* must be negative */
+
/* allocate our bsg tracking structure */
dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
if (!dd_data) {
goto job_done;
}
- mb = kzalloc(BSG_MBOX_SIZE, GFP_KERNEL);
- if (!mb) {
- rc = -ENOMEM;
- goto job_done;
- }
-
pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmboxq) {
rc = -ENOMEM;
}
memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
- size = job->request_payload.payload_len;
- sg_copy_to_buffer(job->request_payload.sg_list,
- job->request_payload.sg_cnt,
- mb, size);
-
- rc = lpfc_bsg_check_cmd_access(phba, mb, vport);
- if (rc != 0)
- goto job_done; /* must be negative */
-
pmb = &pmboxq->u.mb;
- memcpy(pmb, mb, sizeof(*pmb));
+ memcpy(pmb, pmbx, sizeof(*pmb));
pmb->mbxOwner = OWN_HOST;
pmboxq->vport = vport;
"0x%x while in stopped state.\n",
pmb->mbxCommand);
- /* Don't allow mailbox commands to be sent when blocked
- * or when in the middle of discovery
- */
- if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
- rc = -EAGAIN;
- goto job_done;
- }
-
/* extended mailbox commands will need an extended buffer */
if (mbox_req->inExtWLen || mbox_req->outExtWLen) {
- ext = kzalloc(MAILBOX_EXT_SIZE, GFP_KERNEL);
- if (!ext) {
- rc = -ENOMEM;
- goto job_done;
- }
-
/* any data for the device? */
if (mbox_req->inExtWLen) {
- from = (uint8_t *)mb;
- from += sizeof(MAILBOX_t);
- memcpy((uint8_t *)ext, from,
- mbox_req->inExtWLen * sizeof(uint32_t));
+ from = pmbx;
+ ext = from + sizeof(MAILBOX_t);
}
-
pmboxq->context2 = ext;
pmboxq->in_ext_byte_len =
mbox_req->inExtWLen * sizeof(uint32_t);
* use ours
*/
if (pmb->mbxCommand == MBX_RUN_BIU_DIAG64) {
- uint32_t transmit_length = pmb->un.varWords[1];
- uint32_t receive_length = pmb->un.varWords[4];
+ transmit_length = pmb->un.varWords[1];
+ receive_length = pmb->un.varWords[4];
/* transmit length cannot be greater than receive length or
* mailbox extension size
*/
if ((transmit_length > receive_length) ||
- (transmit_length > MAILBOX_EXT_SIZE)) {
+ (transmit_length > BSG_MBOX_SIZE - sizeof(MAILBOX_t))) {
rc = -ERANGE;
goto job_done;
}
-
- rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
- if (!rxbmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
- if (!rxbmp->virt) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&rxbmp->list);
- rxbpl = (struct ulp_bde64 *) rxbmp->virt;
- dmp = diag_cmd_data_alloc(phba, rxbpl, transmit_length, 0);
- if (!dmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&dmp->dma.list);
pmb->un.varBIUdiag.un.s2.xmit_bde64.addrHigh =
- putPaddrHigh(dmp->dma.phys);
+ putPaddrHigh(dmabuf->phys + sizeof(MAILBOX_t));
pmb->un.varBIUdiag.un.s2.xmit_bde64.addrLow =
- putPaddrLow(dmp->dma.phys);
+ putPaddrLow(dmabuf->phys + sizeof(MAILBOX_t));
pmb->un.varBIUdiag.un.s2.rcv_bde64.addrHigh =
- putPaddrHigh(dmp->dma.phys +
- pmb->un.varBIUdiag.un.s2.
- xmit_bde64.tus.f.bdeSize);
+ putPaddrHigh(dmabuf->phys + sizeof(MAILBOX_t)
+ + pmb->un.varBIUdiag.un.s2.xmit_bde64.tus.f.bdeSize);
pmb->un.varBIUdiag.un.s2.rcv_bde64.addrLow =
- putPaddrLow(dmp->dma.phys +
- pmb->un.varBIUdiag.un.s2.
- xmit_bde64.tus.f.bdeSize);
-
- /* copy the transmit data found in the mailbox extension area */
- from = (uint8_t *)mb;
- from += sizeof(MAILBOX_t);
- memcpy((uint8_t *)dmp->dma.virt, from, transmit_length);
+ putPaddrLow(dmabuf->phys + sizeof(MAILBOX_t)
+ + pmb->un.varBIUdiag.un.s2.xmit_bde64.tus.f.bdeSize);
} else if (pmb->mbxCommand == MBX_READ_EVENT_LOG) {
- struct READ_EVENT_LOG_VAR *rdEventLog =
- &pmb->un.varRdEventLog ;
- uint32_t receive_length = rdEventLog->rcv_bde64.tus.f.bdeSize;
- uint32_t mode = bf_get(lpfc_event_log, rdEventLog);
+ rdEventLog = &pmb->un.varRdEventLog;
+ receive_length = rdEventLog->rcv_bde64.tus.f.bdeSize;
+ mode = bf_get(lpfc_event_log, rdEventLog);
/* receive length cannot be greater than mailbox
* extension size
*/
- if (receive_length > MAILBOX_EXT_SIZE) {
+ if (receive_length > BSG_MBOX_SIZE - sizeof(MAILBOX_t)) {
rc = -ERANGE;
goto job_done;
}
/* mode zero uses a bde like biu diags command */
if (mode == 0) {
-
- /* rebuild the command for sli4 using our own buffers
- * like we do for biu diags
- */
-
- rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
- if (!rxbmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
- rxbpl = (struct ulp_bde64 *) rxbmp->virt;
- if (rxbpl) {
- INIT_LIST_HEAD(&rxbmp->list);
- dmp = diag_cmd_data_alloc(phba, rxbpl,
- receive_length, 0);
- }
-
- if (!dmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&dmp->dma.list);
- pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
- pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
+ pmb->un.varWords[3] = putPaddrLow(dmabuf->phys
+ + sizeof(MAILBOX_t));
+ pmb->un.varWords[4] = putPaddrHigh(dmabuf->phys
+ + sizeof(MAILBOX_t));
}
} else if (phba->sli_rev == LPFC_SLI_REV4) {
if (pmb->mbxCommand == MBX_DUMP_MEMORY) {
/* rebuild the command for sli4 using our own buffers
* like we do for biu diags
*/
- uint32_t receive_length = pmb->un.varWords[2];
+ receive_length = pmb->un.varWords[2];
/* receive length cannot be greater than mailbox
* extension size
*/
- if ((receive_length == 0) ||
- (receive_length > MAILBOX_EXT_SIZE)) {
+ if (receive_length == 0) {
rc = -ERANGE;
goto job_done;
}
-
- rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
- if (!rxbmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
- if (!rxbmp->virt) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&rxbmp->list);
- rxbpl = (struct ulp_bde64 *) rxbmp->virt;
- dmp = diag_cmd_data_alloc(phba, rxbpl, receive_length,
- 0);
- if (!dmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&dmp->dma.list);
- pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
- pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
+ pmb->un.varWords[3] = putPaddrLow(dmabuf->phys
+ + sizeof(MAILBOX_t));
+ pmb->un.varWords[4] = putPaddrHigh(dmabuf->phys
+ + sizeof(MAILBOX_t));
} else if ((pmb->mbxCommand == MBX_UPDATE_CFG) &&
pmb->un.varUpdateCfg.co) {
- struct ulp_bde64 *bde =
- (struct ulp_bde64 *)&pmb->un.varWords[4];
+ bde = (struct ulp_bde64 *)&pmb->un.varWords[4];
/* bde size cannot be greater than mailbox ext size */
- if (bde->tus.f.bdeSize > MAILBOX_EXT_SIZE) {
+ if (bde->tus.f.bdeSize >
+ BSG_MBOX_SIZE - sizeof(MAILBOX_t)) {
rc = -ERANGE;
goto job_done;
}
+ bde->addrHigh = putPaddrHigh(dmabuf->phys
+ + sizeof(MAILBOX_t));
+ bde->addrLow = putPaddrLow(dmabuf->phys
+ + sizeof(MAILBOX_t));
+ } else if (pmb->mbxCommand == MBX_SLI4_CONFIG) {
+ /* Handling non-embedded SLI_CONFIG mailbox command */
+ sli4_config = &pmboxq->u.mqe.un.sli4_config;
+ if (!bf_get(lpfc_mbox_hdr_emb,
+ &sli4_config->header.cfg_mhdr)) {
+ /* rebuild the command for sli4 using our
+ * own buffers like we do for biu diags
+ */
+ header = (struct mbox_header *)
+ &pmb->un.varWords[0];
+ nembed_sge = (struct lpfc_mbx_nembed_cmd *)
+ &pmb->un.varWords[0];
+ receive_length = nembed_sge->sge[0].length;
+
+ /* receive length cannot be greater than
+ * mailbox extension size
+ */
+ if ((receive_length == 0) ||
+ (receive_length >
+ BSG_MBOX_SIZE - sizeof(MAILBOX_t))) {
+ rc = -ERANGE;
+ goto job_done;
+ }
- rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
- if (!rxbmp) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
- if (!rxbmp->virt) {
- rc = -ENOMEM;
- goto job_done;
- }
-
- INIT_LIST_HEAD(&rxbmp->list);
- rxbpl = (struct ulp_bde64 *) rxbmp->virt;
- dmp = diag_cmd_data_alloc(phba, rxbpl,
- bde->tus.f.bdeSize, 0);
- if (!dmp) {
- rc = -ENOMEM;
- goto job_done;
+ nembed_sge->sge[0].pa_hi =
+ putPaddrHigh(dmabuf->phys
+ + sizeof(MAILBOX_t));
+ nembed_sge->sge[0].pa_lo =
+ putPaddrLow(dmabuf->phys
+ + sizeof(MAILBOX_t));
}
-
- INIT_LIST_HEAD(&dmp->dma.list);
- bde->addrHigh = putPaddrHigh(dmp->dma.phys);
- bde->addrLow = putPaddrLow(dmp->dma.phys);
-
- /* copy the transmit data found in the mailbox
- * extension area
- */
- from = (uint8_t *)mb;
- from += sizeof(MAILBOX_t);
- memcpy((uint8_t *)dmp->dma.virt, from,
- bde->tus.f.bdeSize);
}
}
- dd_data->context_un.mbox.rxbmp = rxbmp;
- dd_data->context_un.mbox.dmp = dmp;
+ dd_data->context_un.mbox.dmabuffers = dmabuf;
/* setup wake call as IOCB callback */
- pmboxq->mbox_cmpl = lpfc_bsg_wake_mbox_wait;
+ pmboxq->mbox_cmpl = lpfc_bsg_issue_mbox_cmpl;
/* setup context field to pass wait_queue pointer to wake function */
pmboxq->context1 = dd_data;
dd_data->type = TYPE_MBOX;
dd_data->context_un.mbox.pmboxq = pmboxq;
- dd_data->context_un.mbox.mb = mb;
+ dd_data->context_un.mbox.mb = (MAILBOX_t *)pmbx;
dd_data->context_un.mbox.set_job = job;
dd_data->context_un.mbox.ext = ext;
dd_data->context_un.mbox.mbOffset = mbox_req->mbOffset;
}
/* job finished, copy the data */
- memcpy(mb, pmb, sizeof(*pmb));
+ memcpy(pmbx, pmb, sizeof(*pmb));
job->reply->reply_payload_rcv_len =
sg_copy_from_buffer(job->reply_payload.sg_list,
- job->reply_payload.sg_cnt,
- mb, size);
+ job->reply_payload.sg_cnt,
+ pmbx, size);
/* not waiting mbox already done */
rc = 0;
goto job_done;
job_done:
/* common exit for error or job completed inline */
- kfree(mb);
if (pmboxq)
mempool_free(pmboxq, phba->mbox_mem_pool);
- kfree(ext);
- if (dmp) {
- dma_free_coherent(&phba->pcidev->dev,
- dmp->size, dmp->dma.virt,
- dmp->dma.phys);
- kfree(dmp);
- }
- if (rxbmp) {
- lpfc_mbuf_free(phba, rxbmp->virt, rxbmp->phys);
- kfree(rxbmp);
- }
+ lpfc_bsg_dma_page_free(phba, dmabuf);
kfree(dd_data);
+job_cont:
return rc;
}
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
+ struct dfc_mbox_req *mbox_req;
int rc = 0;
- /* in case no data is transferred */
+ /* mix-and-match backward compatibility */
job->reply->reply_payload_rcv_len = 0;
if (job->request_len <
sizeof(struct fc_bsg_request) + sizeof(struct dfc_mbox_req)) {
- lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
- "2737 Received MBOX_REQ request below "
- "minimum size\n");
- rc = -EINVAL;
- goto job_error;
- }
-
- if (job->request_payload.payload_len != BSG_MBOX_SIZE) {
- rc = -EINVAL;
- goto job_error;
- }
-
- if (job->reply_payload.payload_len != BSG_MBOX_SIZE) {
- rc = -EINVAL;
- goto job_error;
- }
-
- if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
- rc = -EAGAIN;
- goto job_error;
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "2737 Mix-and-match backward compability "
+ "between MBOX_REQ old size:%d and "
+ "new request size:%d\n",
+ (int)(job->request_len -
+ sizeof(struct fc_bsg_request)),
+ (int)sizeof(struct dfc_mbox_req));
+ mbox_req = (struct dfc_mbox_req *)
+ job->request->rqst_data.h_vendor.vendor_cmd;
+ mbox_req->extMboxTag = 0;
+ mbox_req->extSeqNum = 0;
}
rc = lpfc_bsg_issue_mbox(phba, job, vport);
-job_error:
if (rc == 0) {
/* job done */
job->reply->result = 0;
job = menlo->set_job;
job->dd_data = NULL; /* so timeout handler does not reply */
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock(&phba->hbalock);
cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
if (cmdiocbq->context2 && rspiocbq)
memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
&rspiocbq->iocb, sizeof(IOCB_t));
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock(&phba->hbalock);
bmp = menlo->bmp;
rspiocbq = menlo->rspiocbq;
job->dd_data = NULL;
return rc;
}
+
/**
* lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job
* @job: fc_bsg_job to handle
rc = lpfc_bsg_send_mgmt_rsp(job);
break;
case LPFC_BSG_VENDOR_DIAG_MODE:
- rc = lpfc_bsg_diag_mode(job);
+ rc = lpfc_bsg_diag_loopback_mode(job);
+ break;
+ case LPFC_BSG_VENDOR_DIAG_MODE_END:
+ rc = lpfc_sli4_bsg_diag_mode_end(job);
+ break;
+ case LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK:
+ rc = lpfc_bsg_diag_loopback_run(job);
break;
- case LPFC_BSG_VENDOR_DIAG_TEST:
- rc = lpfc_bsg_diag_test(job);
+ case LPFC_BSG_VENDOR_LINK_DIAG_TEST:
+ rc = lpfc_sli4_bsg_link_diag_test(job);
break;
case LPFC_BSG_VENDOR_GET_MGMT_REV:
rc = lpfc_bsg_get_dfc_rev(job);
/* the mbox completion handler can now be run */
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
job->job_done(job);
+ if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_PORT)
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_ABTS;
break;
case TYPE_MENLO:
menlo = &dd_data->context_un.menlo;
projects / firefly-linux-kernel-4.4.55.git / blobdiff