Re: bs_rdwr_request

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On Sun, 26 Aug 2012 15:58:02 +0300
Roi Dayan <roi.dayan@xxxxxxxxx> wrote:

> On Sun, Aug 26, 2012 at 3:32 PM, Roi Dayan <roi.dayan@xxxxxxxxx> wrote:
> > On Fri, Aug 24, 2012 at 1:06 PM, <frederik.vos@xxxxxxxxxx> wrote:
> >>
> >> I tested also version 1.0.28: no problem
> >> version 1.0.29: no problem
> >> version 1.0.30: there is the problem
> >>
> >>
> >
> >
> >
> > Hi,
> >
> > I tested as well with ESXi 5.1 and I could not login with ESXi as initiator
> > The error from tgtd was as follows:
> >
> > tgtd: add_mode_page(1648) Mode Page 10 (0x01): param_count 6 != MODE
> > PAGE size : 31
> >
> >
> > I checked for commits between 1.0.29 - 1.0.30 that modify or call this
> > function and found
> > that commit 9a95b4431ccc01b82cb4febc735485cd06cd5ea4 added a new call
> > to add_mode_page()
> > and the error is the result of that new call:
> >
> > 518     +  /* Control Extensions mode page:  TCMOS:1 */
> > 519     +  add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00");
> >
> >
> > After removing this call ESXi logged in fine and without any problems.
> >
> > frederik,
> > mind trying it as well?

I guess that it's due to compare-and-write command but I might be
wrong.

> 
> 
> Or instead of ignoring that call you could update add_mode_page() to accept it
> even though the passed size is larger than the data supplied,
> i tested and it works fine.

I would prefer to fix the callers. I just disable the callers if
nobody sends a fix until the end of this month.


diff --git a/usr/mmc.c b/usr/mmc.c
index 768fe91..cbafd2d 100644
--- a/usr/mmc.c
+++ b/usr/mmc.c
@@ -2245,7 +2245,7 @@ static tgtadm_err mmc_lu_init(struct scsi_lu *lu)
 	/* Control page */
 	add_mode_page(lu, "0x0a:0:10:2:0:0:0:0:0:0:0:2:0");
 	/* Control Extensions mode page:  TCMOS:1 */
-	add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00");
+	/* add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00"); */
 	/* Power Condition */
 	add_mode_page(lu, "0x1a:0:10:8:0:0:0:0:0:0:0:0:0");
 	/* Informational Exceptions Control page */
diff --git a/usr/sbc.c b/usr/sbc.c
index 0f99f18..3158bd5 100644
--- a/usr/sbc.c
+++ b/usr/sbc.c
@@ -700,7 +700,7 @@ static tgtadm_err sbc_lu_init(struct scsi_lu *lu)
 	add_mode_page(lu, "0x0a:0:10:2:0x10:0:0:0:0:0:0:2:0");
 
 	/* Control Extensions mode page:  TCMOS:1 */
-	add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00");
+	/* add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00"); */
 
 	/* Informational Exceptions Control page */
 	add_mode_page(lu, "0x1c:0:10:8:0:0:0:0:0:0:0:0:0");
diff --git a/usr/smc.c b/usr/smc.c
index 910b532..e5133d6 100644
--- a/usr/smc.c
+++ b/usr/smc.c
@@ -516,7 +516,7 @@ static tgtadm_err smc_lu_init(struct scsi_lu *lu)
 	/* Control page */
 	add_mode_page(lu, "0x0a:0:10:2:0:0:0:0:0:0:0:2:0");
 	/* Control Extensions mode page:  TCMOS:1 */
-	add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00");
+	/* add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00"); */
 	/* Power Condition */
 	add_mode_page(lu, "0x1a:0:10:8:0:0:0:0:0:0:0:0:0");
 	/* Informational Exceptions Control page */
diff --git a/usr/ssc.c b/usr/ssc.c
index 60c6926..d5df7ed 100644
--- a/usr/ssc.c
+++ b/usr/ssc.c
@@ -195,7 +195,7 @@ static tgtadm_err ssc_lu_init(struct scsi_lu *lu)
 	/* Control page - Mandatory - SPC-4 */
 	add_mode_page(lu, "0x0a:0:10:2:0:0:0:0:0:0:0:2:0");
 	/* Control Extensions mode page:  TCMOS:1 */
-	add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00");
+	/* add_mode_page(lu, "0x0a:1:0x1c:0x04:0x00:0x00"); */
 	/* Data Compression - Mandatory - SSC3 8.3.2 */
 	add_mode_page(lu, "15:0:14:0:0:0:0:0:0:0:0:0:0:0:0:0:0");
 	/* Device Configuration - Mandatory - SSC3 8.3.3 */
--
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