hptmv(4): Reduce si_iosize_max to 64KB.

This fixes busdma panics we were getting with it.

busdma-clue-by: sephe

diff --git a/sys/dev/raid/hptmv/entry.c b/sys/dev/raid/hptmv/entry.c
index b3a3e89..d426092 100644 (file)
--- a/sys/dev/raid/hptmv/entry.c
+++ b/sys/dev/raid/hptmv/entry.c
@@ -2367,6 +2367,7 @@ hpt_action(struct cam_sim *sim, union ccb *ccb)
                        cpi->transport_version = 2;
                        cpi->protocol = PROTO_SCSI;
                        cpi->protocol_version = SCSI_REV_2;
+                       cpi->maxio = HPTMV_DFLTPHYS;
                        cpi->ccb_h.status = CAM_REQ_CMP;
                        xpt_done(ccb);
                        break;

diff --git a/sys/dev/raid/hptmv/global.h b/sys/dev/raid/hptmv/global.h
index 5f4635a..aa88196 100644 (file)
--- a/sys/dev/raid/hptmv/global.h
+++ b/sys/dev/raid/hptmv/global.h
@@ -55,6 +55,7 @@
 #define MAX_ARRAY_DEVICE MAX_ARRAY_PER_VBUS
 #define MAX_CHIP_IN_VBUS 1
 
+#define HPTMV_DFLTPHYS (64 * 1024)
 #define SUPPORT_IOCTL
 #define SUPPORT_FAIL_LED