Author: asomers
Date: Mon Nov 20 21:56:25 2017
New Revision: 326032
URL: https://svnweb.freebsd.org/changeset/base/326032

Log:
  Print ZAC device type in "camcontrol identify" output
  
  ZAC (Zoned-device ATA Command set) is the standard for addressing SMR
  (shingled magnetic recording) devices over SATA.  Drives indicate their
  support for ZAC in their IDENTIFY block. Print whether and how a drive
  supports ZAC in the output of "camcontrol identify".
  
  Reviewed by:  ken, imp
  MFC after:    3 weeks
  Sponsored by: Spectra Logic Corp
  Differential Revision:        https://reviews.freebsd.org/D13171

Modified:
  head/sbin/camcontrol/camcontrol.c

Modified: head/sbin/camcontrol/camcontrol.c
==============================================================================
--- head/sbin/camcontrol/camcontrol.c   Mon Nov 20 21:38:24 2017        
(r326031)
+++ head/sbin/camcontrol/camcontrol.c   Mon Nov 20 21:56:25 2017        
(r326032)
@@ -1403,6 +1403,18 @@ atacapprint(struct ata_params *parm)
                        parm->media_rotation_rate);
        }
 
+       printf("Zoned-Device Commands ");
+       switch (parm->support3 & ATA_SUPPORT_ZONE_MASK) {
+               case ATA_SUPPORT_ZONE_DEV_MANAGED:
+                       printf("device managed\n");
+                       break;
+               case ATA_SUPPORT_ZONE_HOST_AWARE:
+                       printf("host aware\n");
+                       break;
+               default:
+                       printf("no\n");
+       }
+
        printf("\nFeature                      "
                "Support  Enabled   Value           Vendor\n");
        printf("read ahead                     %s       %s\n",
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