From 8726fc121bb237f68fa951adb58b8f859a571bef Mon Sep 17 00:00:00 2001
From: "Justin T. Gibbs" <gibbs@FreeBSD.org>
Date: Sun, 20 Sep 1998 05:08:15 +0000
Subject: [PATCH] On wide cards with firmware revisions < 5.06L, we have to
 infer that wide targets are in fact running wide since the "setup info"
 command for these revisions does not fill out the wide negotiation bits.

---
 sys/dev/buslogic/bt.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/sys/dev/buslogic/bt.c b/sys/dev/buslogic/bt.c
index e07b03e0315f..7756488de0a6 100644
--- a/sys/dev/buslogic/bt.c
+++ b/sys/dev/buslogic/bt.c
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *      $Id: bt.c,v 1.2 1998/09/16 03:27:11 gibbs Exp $
+ *      $Id: bt.c,v 1.3 1998/09/17 00:08:27 gibbs Exp $
  */
 
  /*
@@ -1979,6 +1979,22 @@ btfetchtransinfo(struct bt_softc *bt, struct ccb_trans_settings* cts)
 
 		if (wide_active)
 			cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
+	} else if ((bt->wide_permitted & targ_mask) != 0) {
+		struct ccb_getdev cgd;
+
+		/*
+		 * Prior to rev 5.06L, wide status isn't provided,
+		 * so we "guess" that wide transfers are in effect
+		 * if the user settings allow for wide and the inquiry
+		 * data for the device indicates that it can handle
+		 * wide transfers.
+		 */
+		xpt_setup_ccb(&cgd.ccb_h, cts->ccb_h.path, /*priority*/1);
+		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
+		xpt_action((union ccb *)&cgd);
+		if ((cgd.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP
+		 && (cgd.inq_data.flags & SID_WBus16) != 0)
+			cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
 	}
 
 	if (bt->firmware_ver[0] >= 3) {