MFC r278964:

The __FreeBSD_version was changed to 1001510 to be appropriate for
stable/10.

I will followup with a commit to mpr(4) and mps(4) in head to reflect
the stable/10 __FreeBSD_version and merge the change back to stable/10.

  ------------------------------------------------------------------------
  r278964 | ken | 2015-02-18 11:30:19 -0700 (Wed, 18 Feb 2015) | 46 lines

  Make sure that the flags for the XPT_DEV_ADVINFO CCB are initialized
  properly.

  If there is garbage in the flags field, it can sometimes include a
  set CDAI_FLAG_STORE flag, which may cause either an error or
  perhaps result in overwriting the field that was intended to be
  read.

  sys/cam/cam_ccb.h:
  	Add a new flag to the XPT_DEV_ADVINFO CCB, CDAI_FLAG_NONE,
  	that callers can use to set the flags field when no store
  	is desired.

  sys/cam/scsi/scsi_enc_ses.c:
  	In ses_setphyspath_callback(), explicitly set the
  	XPT_DEV_ADVINFO flags to CDAI_FLAG_NONE when fetching the
  	physical path information.  Instead of ORing in the
  	CDAI_FLAG_STORE flag when storing the physical path, set
  	the flags field to CDAI_FLAG_STORE.

  sys/cam/scsi/scsi_sa.c:
  	Set the XPT_DEV_ADVINFO flags field to CDAI_FLAG_NONE when
  	fetching extended inquiry information.

  sys/cam/scsi/scsi_da.c:
  	When storing extended READ CAPACITY information, set the
  	XPT_DEV_ADVINFO flags field to CDAI_FLAG_STORE instead of
  	ORing it into a field that isn't initialized.

  sys/dev/mpr/mpr_sas.c,
  sys/dev/mps/mps_sas.c:
  	When fetching extended READ CAPACITY information, set the
  	XPT_DEV_ADVINFO flags field to CDAI_FLAG_NONE instead of
  	setting it to 0.

  sbin/camcontrol/camcontrol.c:
  	When fetching a device ID, set the XPT_DEV_ADVINFO flags
  	field to CDAI_FLAG_NONE instead of 0.

  sys/sys/param.h:
  	Bump __FreeBSD_version to 1100061 for the new XPT_DEV_ADVINFO
  	CCB flag, CDAI_FLAG_NONE.

  Sponsored by:	Spectra Logic

1 files changed, 4 insertions, 0 deletions

diff --git a/sys/dev/mpr/mpr_sas.c b/sys/dev/mpr/mpr_sas.c
index 216d314..9da1dd5 100644
--- a/sys/dev/mpr/mpr_sas.c
+++ b/sys/dev/mpr/mpr_sas.c
@@ -3084,7 +3084,11 @@ mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path,
 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
 		cdai.ccb_h.flags = CAM_DIR_IN;
 		cdai.buftype = CDAI_TYPE_RCAPLONG;
+#if __FreeBSD_version >= 1100061
+		cdai.flags = CDAI_FLAG_NONE;
+#else
 		cdai.flags = 0;
+#endif
 		cdai.bufsiz = sizeof(rcap_buf);
 		cdai.buf = (uint8_t *)&rcap_buf;
 		xpt_action((union ccb *)&cdai);