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[SCSI] lpfc 8.3.10: Added management for LP21000 through BSG. 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart 2010-02-26 14:15:00 -05:00 committed by James Bottomley
parent 0f65ff680f
commit e2aed29f29
4 changed files with 358 additions and 0 deletions
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6
drivers/scsi/lpfc/lpfc.h
View File

@ -37,6 +37,9 @@ struct lpfc_sli2_slim;
the NameServer before giving up. */
#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128 /* sg element count per scsi
cmnd for menlo needs nearly twice as for firmware
downloads using bsg */
#define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
#define LPFC_MAX_SG_SEG_CNT 4096 /* sg element count per scsi cmnd */
#define LPFC_MAX_PROT_SG_SEG_CNT 4096 /* prot sg element count per scsi cmd*/
@ -806,6 +809,9 @@ struct lpfc_hba {
struct list_head ct_ev_waiters;
struct unsol_rcv_ct_ctx ct_ctx[64];
uint32_t ctx_idx;
uint8_t menlo_flag; /* menlo generic flags */
#define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */
};
static inline struct Scsi_Host *

332
drivers/scsi/lpfc/lpfc_bsg.c
View File

@ -83,15 +83,28 @@ struct lpfc_bsg_mbox {
struct fc_bsg_job *set_job;
};
#define MENLO_DID 0x0000FC0E
struct lpfc_bsg_menlo {
struct lpfc_iocbq *cmdiocbq;
struct lpfc_iocbq *rspiocbq;
struct lpfc_dmabuf *bmp;
/* job waiting for this iocb to finish */
struct fc_bsg_job *set_job;
};
#define TYPE_EVT 1
#define TYPE_IOCB 2
#define TYPE_MBOX 3
#define TYPE_MENLO 4
struct bsg_job_data {
uint32_t type;
union {
struct lpfc_bsg_event *evt;
struct lpfc_bsg_iocb iocb;
struct lpfc_bsg_mbox mbox;
struct lpfc_bsg_menlo menlo;
} context_un;
};
@ -2456,6 +2469,18 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
case MBX_PORT_IOV_CONTROL:
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;
}
break;
case MBX_RUN_BIU_DIAG64:
case MBX_READ_EVENT_LOG:
case MBX_READ_SPARM64:
@ -2637,6 +2662,297 @@ job_error:
return rc;
}
/**
* lpfc_bsg_menlo_cmd_cmp - lpfc_menlo_cmd completion handler
* @phba: Pointer to HBA context object.
* @cmdiocbq: Pointer to command iocb.
* @rspiocbq: Pointer to response iocb.
*
* This function is the completion handler for iocbs issued using
* lpfc_menlo_cmd function. This function is called by the
* ring event handler function without any lock held. This function
* can be called from both worker thread context and interrupt
* context. This function also can be called from another thread which
* cleans up the SLI layer objects.
* This function copies the contents of the response iocb to the
* response iocb memory object provided by the caller of
* lpfc_sli_issue_iocb_wait and then wakes up the thread which
* sleeps for the iocb completion.
**/
static void
lpfc_bsg_menlo_cmd_cmp(struct lpfc_hba *phba,
struct lpfc_iocbq *cmdiocbq,
struct lpfc_iocbq *rspiocbq)
{
struct bsg_job_data *dd_data;
struct fc_bsg_job *job;
IOCB_t *rsp;
struct lpfc_dmabuf *bmp;
struct lpfc_bsg_menlo *menlo;
unsigned long flags;
struct menlo_response *menlo_resp;
int rc = 0;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
dd_data = cmdiocbq->context1;
if (!dd_data) {
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
return;
}
menlo = &dd_data->context_un.menlo;
job = menlo->set_job;
job->dd_data = NULL; /* so timeout handler does not reply */
spin_lock_irqsave(&phba->hbalock, flags);
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);
bmp = menlo->bmp;
rspiocbq = menlo->rspiocbq;
rsp = &rspiocbq->iocb;
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,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
/* always return the xri, this would be used in the case
* of a menlo download to allow the data to be sent as a continuation
* of the exchange.
*/
menlo_resp = (struct menlo_response *)
job->reply->reply_data.vendor_reply.vendor_rsp;
menlo_resp->xri = rsp->ulpContext;
if (rsp->ulpStatus) {
if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
switch (rsp->un.ulpWord[4] & 0xff) {
case IOERR_SEQUENCE_TIMEOUT:
rc = -ETIMEDOUT;
break;
case IOERR_INVALID_RPI:
rc = -EFAULT;
break;
default:
rc = -EACCES;
break;
}
} else
rc = -EACCES;
} else
job->reply->reply_payload_rcv_len =
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);
kfree(bmp);
kfree(dd_data);
/* make error code available to userspace */
job->reply->result = rc;
/* complete the job back to userspace */
job->job_done(job);
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
return;
}
/**
* lpfc_menlo_cmd - send an ioctl for menlo hardware
* @job: fc_bsg_job to handle
*
* This function issues a gen request 64 CR ioctl for all menlo cmd requests,
* all the command completions will return the xri for the command.
* For menlo data requests a gen request 64 CX is used to continue the exchange
* supplied in the menlo request header xri field.
**/
static int
lpfc_menlo_cmd(struct fc_bsg_job *job)
{
struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *cmdiocbq, *rspiocbq;
IOCB_t *cmd, *rsp;
int rc = 0;
struct menlo_command *menlo_cmd;
struct menlo_response *menlo_resp;
struct lpfc_dmabuf *bmp = NULL;
int request_nseg;
int reply_nseg;
struct scatterlist *sgel = NULL;
int numbde;
dma_addr_t busaddr;
struct bsg_job_data *dd_data;
struct ulp_bde64 *bpl = NULL;
/* in case no data is returned return just the return code */
job->reply->reply_payload_rcv_len = 0;
if (job->request_len <
sizeof(struct fc_bsg_request) +
sizeof(struct menlo_command)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2784 Received MENLO_CMD request below "
"minimum size\n");
rc = -ERANGE;
goto no_dd_data;
}
if (job->reply_len <
sizeof(struct fc_bsg_request) + sizeof(struct menlo_response)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2785 Received MENLO_CMD reply below "
"minimum size\n");
rc = -ERANGE;
goto no_dd_data;
}
if (!(phba->menlo_flag & HBA_MENLO_SUPPORT)) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2786 Adapter does not support menlo "
"commands\n");
rc = -EPERM;
goto no_dd_data;
}
menlo_cmd = (struct menlo_command *)
job->request->rqst_data.h_vendor.vendor_cmd;
menlo_resp = (struct menlo_response *)
job->reply->reply_data.vendor_reply.vendor_rsp;
/* allocate our bsg tracking structure */
dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
if (!dd_data) {
lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
"2787 Failed allocation of dd_data\n");
rc = -ENOMEM;
goto no_dd_data;
}
bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
if (!bmp) {
rc = -ENOMEM;
goto free_dd;
}
cmdiocbq = lpfc_sli_get_iocbq(phba);
if (!cmdiocbq) {
rc = -ENOMEM;
goto free_bmp;
}
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;
}
INIT_LIST_HEAD(&bmp->list);
bpl = (struct ulp_bde64 *) bmp->virt;
request_nseg = pci_map_sg(phba->pcidev, job->request_payload.sg_list,
job->request_payload.sg_cnt, DMA_TO_DEVICE);
for_each_sg(job->request_payload.sg_list, sgel, request_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
reply_nseg = pci_map_sg(phba->pcidev, job->reply_payload.sg_list,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
for_each_sg(job->reply_payload.sg_list, sgel, reply_nseg, numbde) {
busaddr = sg_dma_address(sgel);
bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
bpl->tus.f.bdeSize = sg_dma_len(sgel);
bpl->tus.w = cpu_to_le32(bpl->tus.w);
bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
bpl++;
}
cmd = &cmdiocbq->iocb;
cmd->un.genreq64.bdl.ulpIoTag32 = 0;
cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
cmd->un.genreq64.bdl.bdeSize =
(request_nseg + reply_nseg) * sizeof(struct ulp_bde64);
cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
cmd->un.genreq64.w5.hcsw.Dfctl = 0;
cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CMD;
cmd->un.genreq64.w5.hcsw.Type = MENLO_TRANSPORT_TYPE; /* 0xfe */
cmd->ulpBdeCount = 1;
cmd->ulpClass = CLASS3;
cmd->ulpOwner = OWN_CHIP;
cmd->ulpLe = 1; /* Limited Edition */
cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
cmdiocbq->vport = phba->pport;
/* We want the firmware to timeout before we do */
cmd->ulpTimeout = MENLO_TIMEOUT - 5;
cmdiocbq->context3 = bmp;
cmdiocbq->context2 = rspiocbq;
cmdiocbq->iocb_cmpl = lpfc_bsg_menlo_cmd_cmp;
cmdiocbq->context1 = dd_data;
cmdiocbq->context2 = rspiocbq;
if (menlo_cmd->cmd == LPFC_BSG_VENDOR_MENLO_CMD) {
cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
cmd->ulpPU = MENLO_PU; /* 3 */
cmd->un.ulpWord[4] = MENLO_DID; /* 0x0000FC0E */
cmd->ulpContext = MENLO_CONTEXT; /* 0 */
} else {
cmd->ulpCommand = CMD_GEN_REQUEST64_CX;
cmd->ulpPU = 1;
cmd->un.ulpWord[4] = 0;
cmd->ulpContext = menlo_cmd->xri;
}
dd_data->type = TYPE_MENLO;
dd_data->context_un.menlo.cmdiocbq = cmdiocbq;
dd_data->context_un.menlo.rspiocbq = rspiocbq;
dd_data->context_un.menlo.set_job = job;
dd_data->context_un.menlo.bmp = bmp;
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq,
MENLO_TIMEOUT - 5);
if (rc == IOCB_SUCCESS)
return 0; /* done for now */
/* iocb failed so cleanup */
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,
job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
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:
kfree(bmp);
free_dd:
kfree(dd_data);
no_dd_data:
/* make error code available to userspace */
job->reply->result = rc;
job->dd_data = NULL;
return rc;
}
/**
* lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job
* @job: fc_bsg_job to handle
@ -2669,6 +2985,10 @@ lpfc_bsg_hst_vendor(struct fc_bsg_job *job)
case LPFC_BSG_VENDOR_MBOX:
rc = lpfc_bsg_mbox_cmd(job);
break;
case LPFC_BSG_VENDOR_MENLO_CMD:
case LPFC_BSG_VENDOR_MENLO_DATA:
rc = lpfc_menlo_cmd(job);
break;
default:
rc = -EINVAL;
job->reply->reply_payload_rcv_len = 0;
@ -2728,6 +3048,7 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
struct lpfc_bsg_event *evt;
struct lpfc_bsg_iocb *iocb;
struct lpfc_bsg_mbox *mbox;
struct lpfc_bsg_menlo *menlo;
struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
struct bsg_job_data *dd_data;
unsigned long flags;
@ -2775,6 +3096,17 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
job->job_done(job);
break;
case TYPE_MENLO:
menlo = &dd_data->context_un.menlo;
cmdiocb = menlo->cmdiocbq;
/* hint to completion handler that the job timed out */
job->reply->result = -EAGAIN;
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
/* this will call our completion handler */
spin_lock_irq(&phba->hbalock);
lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb);
spin_unlock_irq(&phba->hbalock);
break;
default:
spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
break;

12
drivers/scsi/lpfc/lpfc_bsg.h
View File

@ -31,6 +31,8 @@
#define LPFC_BSG_VENDOR_DIAG_TEST 5
#define LPFC_BSG_VENDOR_GET_MGMT_REV 6
#define LPFC_BSG_VENDOR_MBOX 7
#define LPFC_BSG_VENDOR_MENLO_CMD 8
#define LPFC_BSG_VENDOR_MENLO_DATA 9
struct set_ct_event {
uint32_t command;
@ -96,3 +98,13 @@ struct dfc_mbox_req {
uint8_t mbOffset;
};
/* Used for menlo command or menlo data. The xri is only used for menlo data */
struct menlo_command {
uint32_t cmd;
uint32_t xri;
};
struct menlo_response {
uint32_t xri; /* return the xri of the iocb exchange */
};

8
drivers/scsi/lpfc/lpfc_init.c
View File

@ -2597,6 +2597,14 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
init_timer(&vport->els_tmofunc);
vport->els_tmofunc.function = lpfc_els_timeout;
vport->els_tmofunc.data = (unsigned long)vport;
if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
phba->menlo_flag |= HBA_MENLO_SUPPORT;
/* check for menlo minimum sg count */
if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) {
phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
shost->sg_tablesize = phba->cfg_sg_seg_cnt;
}
}
error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
if (error)