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Explicitly call SEND CHANGE REQUEST for pre-24xx chips in target mode.

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While later firmware always registers for RSCN requests, older one does
it only in initiator mode.  But in target mode there RSCN can be the only
way to detect gone intiator.
This commit is contained in:
Alexander Motin 2015-11-22 17:03:38 +00:00
parent 45b9ad7a24
commit 1575756978
1 changed files with 18 additions and 3 deletions
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21
sys/dev/isp/isp.c
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@ -122,6 +122,7 @@ static int isp_gid_ft_sns(ispsoftc_t *, int);
static int isp_gid_ft_ct_passthru(ispsoftc_t *, int);
static int isp_scan_fabric(ispsoftc_t *, int);
static int isp_login_device(ispsoftc_t *, int, uint32_t, isp_pdb_t *, uint16_t *);
static int isp_send_change_request(ispsoftc_t *, int);
static int isp_register_fc4_type(ispsoftc_t *, int);
static int isp_register_fc4_type_24xx(ispsoftc_t *, int);
static int isp_register_fc4_features_24xx(ispsoftc_t *, int);
@ -2904,6 +2905,8 @@ isp_fclink_test(ispsoftc_t *isp, int chan, int usdelay)
} else {
fcp->isp_sns_hdl = SNS_ID;
r = isp_register_fc4_type(isp, chan);
if (r == 0 && fcp->role == ISP_ROLE_TARGET)
isp_send_change_request(isp, chan);
}
if (r) {
isp_prt(isp, ISP_LOGWARN|ISP_LOG_SANCFG, "%s: register fc4 type failed", __func__);
@ -3732,6 +3735,18 @@ isp_login_device(ispsoftc_t *isp, int chan, uint32_t portid, isp_pdb_t *p, uint1
return (0);
}
static int
isp_send_change_request(ispsoftc_t *isp, int chan)
{
mbreg_t mbs;
MBSINIT(&mbs, MBOX_SEND_CHANGE_REQUEST, MBLOGALL, 500000);
mbs.param[1] = 0x03;
mbs.param[9] = chan;
isp_mboxcmd(isp, &mbs);
return (mbs.param[0] == MBOX_COMMAND_COMPLETE ? 0 : -1);
}
static int
isp_register_fc4_type(ispsoftc_t *isp, int chan)
{
@ -5815,8 +5830,8 @@ isp_parse_async_fc(ispsoftc_t *isp, uint16_t mbox)
fcp = FCPARAM(isp, chan);
if (fcp->role == ISP_ROLE_NONE)
break;
if (fcp->isp_loopstate > LOOP_LSCAN_DONE)
fcp->isp_loopstate = LOOP_LSCAN_DONE;
if (fcp->isp_loopstate > LOOP_LTEST_DONE)
fcp->isp_loopstate = LOOP_LTEST_DONE;
isp_async(isp, ISPASYNC_CHANGE_NOTIFY, chan,
ISPASYNC_CHANGE_SNS, portid);
break;
@ -6912,7 +6927,7 @@ static const uint32_t mbpfc[] = {
ISP_FC_OPMAP(0x00, 0x00), /* 0x6d: */
ISP_FC_OPMAP(0xcf, 0x03), /* 0x6e: MBOX_SEND_SNS */
ISP_FC_OPMAP(0x0f, 0x07), /* 0x6f: MBOX_FABRIC_LOGIN */
ISP_FC_OPMAP(0x03, 0x01), /* 0x70: MBOX_SEND_CHANGE_REQUEST */
ISP_FC_OPMAP_HALF(0x02, 0x03, 0x00, 0x03), /* 0x70: MBOX_SEND_CHANGE_REQUEST */
ISP_FC_OPMAP(0x03, 0x03), /* 0x71: MBOX_FABRIC_LOGOUT */
ISP_FC_OPMAP(0x0f, 0x0f), /* 0x72: MBOX_INIT_LIP_LOGIN */
ISP_FC_OPMAP(0x00, 0x00), /* 0x73: */