diff options
| author |   adam radford <aradford@gmail.com> | 2012-10-01 19:27:07 -0700 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2012-10-09 11:17:26 +0100 |
| commit | f9eff81584ce8727ac6d4dc418f546337781943b (patch) | |
| tree | ae7d51ae6f5970bd388908f88d9d5fac061b7bea /drivers/scsi/megaraid | |
| parent | [SCSI] megaraid_sas: Add module param for configurable MSI-X vector count (diff) | |
| download | linux-dev-f9eff81584ce8727ac6d4dc418f546337781943b.tar.xz linux-dev-f9eff81584ce8727ac6d4dc418f546337781943b.zip | |
[SCSI] megaraid_sas: Load io_request DataLength in bytes
Load io_request->DataLength in bytes for newer firmware that supports high
availability.
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 0af045e795a7..31d397497c45 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -1184,8 +1184,6 @@ megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len, io_request->CDB.EEDP32.PrimaryReferenceTag = cpu_to_be32(ref_tag); io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0xffff; - - io_request->DataLength = num_blocks * 512; io_request->IoFlags = 32; /* Specify 32-byte cdb */ /* Transfer length */ @@ -1329,7 +1327,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, struct megasas_cmd_fusion *cmd) { u8 fp_possible; - u32 start_lba_lo, start_lba_hi, device_id; + u32 start_lba_lo, start_lba_hi, device_id, datalength = 0; struct MPI2_RAID_SCSI_IO_REQUEST *io_request; union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; struct IO_REQUEST_INFO io_info; @@ -1355,7 +1353,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, * 6-byte READ(0x08) or WRITE(0x0A) cdb */ if (scp->cmd_len == 6) { - io_request->DataLength = (u32) scp->cmnd[4]; + datalength = (u32) scp->cmnd[4]; start_lba_lo = ((u32) scp->cmnd[1] << 16) | ((u32) scp->cmnd[2] << 8) | (u32) scp->cmnd[3]; @@ -1366,7 +1364,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, * 10-byte READ(0x28) or WRITE(0x2A) cdb */ else if (scp->cmd_len == 10) { - io_request->DataLength = (u32) scp->cmnd[8] | + datalength = (u32) scp->cmnd[8] | ((u32) scp->cmnd[7] << 8); start_lba_lo = ((u32) scp->cmnd[2] << 24) | ((u32) scp->cmnd[3] << 16) | @@ -1377,7 +1375,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, * 12-byte READ(0xA8) or WRITE(0xAA) cdb */ else if (scp->cmd_len == 12) { - io_request->DataLength = ((u32) scp->cmnd[6] << 24) | + datalength = ((u32) scp->cmnd[6] << 24) | ((u32) scp->cmnd[7] << 16) | ((u32) scp->cmnd[8] << 8) | (u32) scp->cmnd[9]; start_lba_lo = ((u32) scp->cmnd[2] << 24) | @@ -1389,7 +1387,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, * 16-byte READ(0x88) or WRITE(0x8A) cdb */ else if (scp->cmd_len == 16) { - io_request->DataLength = ((u32) scp->cmnd[10] << 24) | + datalength = ((u32) scp->cmnd[10] << 24) | ((u32) scp->cmnd[11] << 16) | ((u32) scp->cmnd[12] << 8) | (u32) scp->cmnd[13]; start_lba_lo = ((u32) scp->cmnd[6] << 24) | @@ -1403,8 +1401,9 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, memset(&io_info, 0, sizeof(struct IO_REQUEST_INFO)); io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo; - io_info.numBlocks = io_request->DataLength; + io_info.numBlocks = datalength; io_info.ldTgtId = device_id; + io_request->DataLength = scsi_bufflen(scp); if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) io_info.isRead = 1; @@ -1431,7 +1430,6 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, if (fp_possible) { megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp, local_map_ptr, start_lba_lo); - io_request->DataLength = scsi_bufflen(scp); io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; cmd->request_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY |