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Date:      Mon, 30 Nov 2015 21:47:11 +0000 (UTC)
From:      Alexander Motin <mav@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r291523 - stable/10/sys/dev/isp
Message-ID:  <201511302147.tAULlBVg074114@repo.freebsd.org>

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Author: mav
Date: Mon Nov 30 21:47:11 2015
New Revision: 291523
URL: https://svnweb.freebsd.org/changeset/base/291523

Log:
  MFC r291163:
  Explicitly call SEND CHANGE REQUEST for pre-24xx chips in target mode.
  
  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.

Modified:
  stable/10/sys/dev/isp/isp.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/isp/isp.c
==============================================================================
--- stable/10/sys/dev/isp/isp.c	Mon Nov 30 21:46:21 2015	(r291522)
+++ stable/10/sys/dev/isp/isp.c	Mon Nov 30 21:47:11 2015	(r291523)
@@ -122,6 +122,7 @@ static int isp_gid_ft_sns(ispsoftc_t *, 
 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 cha
 		} 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__);
@@ -3733,6 +3736,18 @@ isp_login_device(ispsoftc_t *isp, int ch
 }
 
 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)
 {
 	fcparam *fcp = FCPARAM(isp, chan);
@@ -5815,8 +5830,8 @@ isp_parse_async_fc(ispsoftc_t *isp, uint
 		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: */



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