From: Sascha Wildner <saw@online.de>
Date: Thu, 2 Aug 2012 22:42:39 +0000 (+0200)
Subject: hptmv(4): Reduce si_iosize_max to 64KB.
X-Git-Tag: v3.0.3~20
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/5597f4e1cb0dcb88a5f487a91559e81145fddc5b?ds=sidebyside

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 b3a3e89a10..d426092057 100644
--- 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 5f4635ad38..aa88196298 100644
--- 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