diff options
Diffstat (limited to 'sys/cam/scsi/scsi_sg.c')
| -rw-r--r-- | sys/cam/scsi/scsi_sg.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/cam/scsi/scsi_sg.c b/sys/cam/scsi/scsi_sg.c index 3e80ac3..3e13003 100644 --- a/sys/cam/scsi/scsi_sg.c +++ b/sys/cam/scsi/scsi_sg.c @@ -99,6 +99,7 @@ struct sg_softc { sg_state state; sg_flags flags; int open_count; + u_int maxio; struct devstat *device_stats; TAILQ_HEAD(, sg_rdwr) rdwr_done; struct cdev *dev; @@ -325,6 +326,13 @@ sgregister(struct cam_periph *periph, void *arg) cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); + if (cpi.maxio == 0) + softc->maxio = DFLTPHYS; /* traditional default */ + else if (cpi.maxio > MAXPHYS) + softc->maxio = MAXPHYS; /* for safety */ + else + softc->maxio = cpi.maxio; /* real value */ + /* * We pass in 0 for all blocksize, since we don't know what the * blocksize of the device is, if it even has a blocksize. @@ -894,7 +902,7 @@ sgsendccb(struct cam_periph *periph, union ccb *ccb) * need for additional checks. */ cam_periph_unlock(periph); - error = cam_periph_mapmem(ccb, &mapinfo); + error = cam_periph_mapmem(ccb, &mapinfo, softc->maxio); cam_periph_lock(periph); if (error) return (error); |
