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On wide cards with firmware revisions < 5.06L, we have to infer that

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wide targets are in fact running wide since the "setup info" command
for these revisions does not fill out the wide negotiation bits.
This commit is contained in:
Justin T. Gibbs 1998-09-20 05:08:15 +00:00
parent ebeec632cd
commit 8726fc121b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39507
1 changed files with 17 additions and 1 deletions
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18
sys/dev/buslogic/bt.c
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@ -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) {