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-rw-r--r--drivers/message/fusion/mptsas.c79
1 files changed, 37 insertions, 42 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 42ee70c23d9f..345f6035599e 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2210,33 +2210,26 @@ mptsas_get_bay_identifier(struct sas_rphy *rphy)
return rc;
}
-static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
- struct request *req)
+static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
+ struct sas_rphy *rphy)
{
MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc;
MPT_FRAME_HDR *mf;
SmpPassthroughRequest_t *smpreq;
- struct request *rsp = req->next_rq;
- int ret;
int flagsLength;
unsigned long timeleft;
char *psge;
- dma_addr_t dma_addr_in = 0;
- dma_addr_t dma_addr_out = 0;
u64 sas_address = 0;
-
- if (!rsp) {
- printk(MYIOC_s_ERR_FMT "%s: the smp response space is missing\n",
- ioc->name, __func__);
- return -EINVAL;
- }
+ unsigned int reslen = 0;
+ int ret = -EINVAL;
/* do we need to support multiple segments? */
- if (bio_multiple_segments(req->bio) ||
- bio_multiple_segments(rsp->bio)) {
+ if (job->request_payload.sg_cnt > 1 ||
+ job->reply_payload.sg_cnt > 1) {
printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n",
- ioc->name, __func__, blk_rq_bytes(req), blk_rq_bytes(rsp));
- return -EINVAL;
+ ioc->name, __func__, job->request_payload.payload_len,
+ job->reply_payload.payload_len);
+ goto out;
}
ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex);
@@ -2252,7 +2245,8 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
smpreq = (SmpPassthroughRequest_t *)mf;
memset(smpreq, 0, sizeof(*smpreq));
- smpreq->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
+ smpreq->RequestDataLength =
+ cpu_to_le16(job->request_payload.payload_len - 4);
smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH;
if (rphy)
@@ -2278,13 +2272,14 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
MPI_SGE_FLAGS_END_OF_BUFFER |
MPI_SGE_FLAGS_DIRECTION)
<< MPI_SGE_FLAGS_SHIFT;
- flagsLength |= (blk_rq_bytes(req) - 4);
- dma_addr_out = pci_map_single(ioc->pcidev, bio_data(req->bio),
- blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pcidev, dma_addr_out))
+ if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list,
+ 1, PCI_DMA_BIDIRECTIONAL))
goto put_mf;
- ioc->add_sge(psge, flagsLength, dma_addr_out);
+
+ flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4);
+ ioc->add_sge(psge, flagsLength,
+ sg_dma_address(job->request_payload.sg_list));
psge += ioc->SGE_size;
/* response */
@@ -2294,12 +2289,13 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
MPI_SGE_FLAGS_END_OF_BUFFER;
flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT;
- flagsLength |= blk_rq_bytes(rsp) + 4;
- dma_addr_in = pci_map_single(ioc->pcidev, bio_data(rsp->bio),
- blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(ioc->pcidev, dma_addr_in))
- goto unmap;
- ioc->add_sge(psge, flagsLength, dma_addr_in);
+
+ if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list,
+ 1, PCI_DMA_BIDIRECTIONAL))
+ goto unmap_out;
+ flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4;
+ ioc->add_sge(psge, flagsLength,
+ sg_dma_address(job->reply_payload.sg_list));
INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status)
mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
@@ -2310,10 +2306,10 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
mpt_free_msg_frame(ioc, mf);
mf = NULL;
if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
- goto unmap;
+ goto unmap_in;
if (!timeleft)
mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
- goto unmap;
+ goto unmap_in;
}
mf = NULL;
@@ -2321,23 +2317,22 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
SmpPassthroughReply_t *smprep;
smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply;
- memcpy(scsi_req(req)->sense, smprep, sizeof(*smprep));
- scsi_req(req)->sense_len = sizeof(*smprep);
- scsi_req(req)->resid_len = 0;
- scsi_req(rsp)->resid_len -= smprep->ResponseDataLength;
+ memcpy(job->reply, smprep, sizeof(*smprep));
+ job->reply_len = sizeof(*smprep);
+ reslen = smprep->ResponseDataLength;
} else {
printk(MYIOC_s_ERR_FMT
"%s: smp passthru reply failed to be returned\n",
ioc->name, __func__);
ret = -ENXIO;
}
-unmap:
- if (dma_addr_out)
- pci_unmap_single(ioc->pcidev, dma_addr_out, blk_rq_bytes(req),
- PCI_DMA_BIDIRECTIONAL);
- if (dma_addr_in)
- pci_unmap_single(ioc->pcidev, dma_addr_in, blk_rq_bytes(rsp),
- PCI_DMA_BIDIRECTIONAL);
+
+unmap_in:
+ dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1,
+ PCI_DMA_BIDIRECTIONAL);
+unmap_out:
+ dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1,
+ PCI_DMA_BIDIRECTIONAL);
put_mf:
if (mf)
mpt_free_msg_frame(ioc, mf);
@@ -2345,7 +2340,7 @@ out_unlock:
CLEAR_MGMT_STATUS(ioc->sas_mgmt.status)
mutex_unlock(&ioc->sas_mgmt.mutex);
out:
- return ret;
+ bsg_job_done(job, ret, reslen);
}
static struct sas_function_template mptsas_transport_functions = {