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| author | mav <mav@FreeBSD.org> | 2011-12-28 22:49:28 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2011-12-28 22:49:28 +0000 |
| commit | 43f4edf7203f4c4f56b79c3db477b3461cab0778 (patch) | |
| tree | c155edca0406c05fbbd0f1ec1377bcbb1db85bf1 /sys/dev/mps | |
| parent | 96d2ec96a9b060c1c15dfcf3347e79bcf61cba8a (diff) | |
| download | FreeBSD-src-43f4edf7203f4c4f56b79c3db477b3461cab0778.zip FreeBSD-src-43f4edf7203f4c4f56b79c3db477b3461cab0778.tar.gz | |
Set maximum I/O size for mps(4) to MAXPHYS. Looking into the code, I see
no reason why it should be limited to 64K of DFLTPHYS. DMA data tag is any
way set to allow MAXPHYS, S/G lists (chain elements) are sufficient and
overflows are also handled. On my tests even 1MB I/Os are working fine.
Reviewed by: ken@
Diffstat (limited to 'sys/dev/mps')
| -rw-r--r-- | sys/dev/mps/mps_sas.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/mps/mps_sas.c b/sys/dev/mps/mps_sas.c index cf4757a..c253ee0 100644 --- a/sys/dev/mps/mps_sas.c +++ b/sys/dev/mps/mps_sas.c @@ -937,6 +937,7 @@ mpssas_action(struct cam_sim *sim, union ccb *ccb) cpi->transport_version = 0; cpi->protocol = PROTO_SCSI; cpi->protocol_version = SCSI_REV_SPC; + cpi->maxio = MAXPHYS; cpi->ccb_h.status = CAM_REQ_CMP; break; } |
