Author: mav
Date: Mon Oct 21 06:04:39 2013
New Revision: 256826
URL: http://svnweb.freebsd.org/changeset/base/256826

Log:
  Partial MFproject/camlock r256671:
  Fix several target mode SIMs to not blindly clear ccb_h.flags field of
  ATIO CCBs.  Not all CCB flags there belong to them.

Modified:
  head/sys/dev/aic7xxx/aic79xx.c
  head/sys/dev/aic7xxx/aic7xxx.c
  head/sys/dev/firewire/sbp_targ.c
  head/sys/dev/isp/isp_freebsd.c
  head/sys/dev/mpt/mpt_cam.c

Modified: head/sys/dev/aic7xxx/aic79xx.c
==============================================================================
--- head/sys/dev/aic7xxx/aic79xx.c      Mon Oct 21 05:57:36 2013        
(r256825)
+++ head/sys/dev/aic7xxx/aic79xx.c      Mon Oct 21 06:04:39 2013        
(r256826)
@@ -10343,9 +10343,9 @@ ahd_handle_target_cmd(struct ahd_softc *
                /* Tag was included */
                atio->tag_action = *byte++;
                atio->tag_id = *byte++;
-               atio->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atio->ccb_h.flags |= CAM_TAG_ACTION_VALID;
        } else {
-               atio->ccb_h.flags = 0;
+               atio->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
        }
        byte++;
 

Modified: head/sys/dev/aic7xxx/aic7xxx.c
==============================================================================
--- head/sys/dev/aic7xxx/aic7xxx.c      Mon Oct 21 05:57:36 2013        
(r256825)
+++ head/sys/dev/aic7xxx/aic7xxx.c      Mon Oct 21 06:04:39 2013        
(r256826)
@@ -7843,9 +7843,9 @@ ahc_handle_target_cmd(struct ahc_softc *
                /* Tag was included */
                atio->tag_action = *byte++;
                atio->tag_id = *byte++;
-               atio->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atio->ccb_h.flags |= CAM_TAG_ACTION_VALID;
        } else {
-               atio->ccb_h.flags = 0;
+               atio->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
        }
        byte++;
 

Modified: head/sys/dev/firewire/sbp_targ.c
==============================================================================
--- head/sys/dev/firewire/sbp_targ.c    Mon Oct 21 05:57:36 2013        
(r256825)
+++ head/sys/dev/firewire/sbp_targ.c    Mon Oct 21 06:04:39 2013        
(r256826)
@@ -1483,7 +1483,7 @@ sbp_targ_cmd_handler(struct fw_xfer *xfe
        atio->tag_id = orbi->orb_lo;
        atio->init_id = orbi->login->id;
 
-       atio->ccb_h.flags = CAM_TAG_ACTION_VALID;
+       atio->ccb_h.flags |= CAM_TAG_ACTION_VALID;
        bytes = (u_char *)&orb[5];
        if (debug)
                printf("%s: %p %02x %02x %02x %02x %02x %02x %02x %02x %02x 
%02x\n",

Modified: head/sys/dev/isp/isp_freebsd.c
==============================================================================
--- head/sys/dev/isp/isp_freebsd.c      Mon Oct 21 05:57:36 2013        
(r256825)
+++ head/sys/dev/isp/isp_freebsd.c      Mon Oct 21 06:04:39 2013        
(r256826)
@@ -2286,9 +2286,9 @@ isp_handle_platform_atio(ispsoftc_t *isp
        atiop->ccb_h.target_id = aep->at_tgt;
        atiop->ccb_h.target_lun = aep->at_lun;
        if (aep->at_flags & AT_NODISC) {
-               atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
+               atiop->ccb_h.flags |= CAM_DIS_DISCONNECT;
        } else {
-               atiop->ccb_h.flags = 0;
+               atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT;
        }
 
        if (status & QLTM_SVALID) {
@@ -2456,15 +2456,15 @@ isp_handle_platform_atio2(ispsoftc_t *is
        atiop->tag_id = atp->tag;
        switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
        case ATIO2_TC_ATTR_SIMPLEQ:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_SIMPLE_Q_TAG;
                break;
        case ATIO2_TC_ATTR_HEADOFQ:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_HEAD_OF_Q_TAG;
                break;
        case ATIO2_TC_ATTR_ORDERED:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_ORDERED_Q_TAG;
                break;
        case ATIO2_TC_ATTR_ACAQ:                /* ?? */
@@ -2676,15 +2676,15 @@ isp_handle_platform_atio7(ispsoftc_t *is
        atiop->tag_id = atp->tag;
        switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) 
{
        case FCP_CMND_TASK_ATTR_SIMPLE:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_SIMPLE_Q_TAG;
                break;
        case FCP_CMND_TASK_ATTR_HEAD:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_HEAD_OF_Q_TAG;
                break;
        case FCP_CMND_TASK_ATTR_ORDERED:
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
                atiop->tag_action = MSG_ORDERED_Q_TAG;
                break;
        default:
@@ -5004,7 +5004,6 @@ isp_action(struct cam_sim *sim, union cc
                }
                ccb->ccb_h.spriv_field0 = 0;
                ccb->ccb_h.spriv_ptr1 = isp;
-               ccb->ccb_h.flags = 0;
 
                if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
                        if (ccb->atio.tag_id) {

Modified: head/sys/dev/mpt/mpt_cam.c
==============================================================================
--- head/sys/dev/mpt/mpt_cam.c  Mon Oct 21 05:57:36 2013        (r256825)
+++ head/sys/dev/mpt/mpt_cam.c  Mon Oct 21 06:04:39 2013        (r256826)
@@ -3683,7 +3683,6 @@ mpt_action(struct cam_sim *sim, union cc
                lun_id_t lun = ccb->ccb_h.target_lun;
                ccb->ccb_h.sim_priv.entries[0].field = 0;
                ccb->ccb_h.sim_priv.entries[1].ptr = mpt;
-               ccb->ccb_h.flags = 0;
 
                if (lun == CAM_LUN_WILDCARD) {
                        if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
@@ -5156,7 +5155,7 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt,
        tgt->tag_id = atiop->tag_id;
        if (tag_action) {
                atiop->tag_action = tag_action;
-               atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
+               atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
        }
        if (mpt->verbose >= MPT_PRT_DEBUG) {
                int i;
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