svn commit: r298212 - head/sys/cam/scsi

[Alan Somers]

Author: asomers
Date: Mon Apr 18 15:01:59 2016
New Revision: 298212
URL: https://svnweb.freebsd.org/changeset/base/298212

Log:
  Add the ability to read a SAS device's Target Port NAA designator
  
  sys/cam/scsi/scsi_all.h
  sys/cam/scsi/scsi_all.c
  	Add the scsi_devid_is_port_naa helper function
  
  Reviewed by:	ken
  MFC after:	4 weeks
  Sponsored by:	Spectra Logic Corp
  Differential Revision:	https://reviews.freebsd.org/D5975

Modified:
  head/sys/cam/scsi/scsi_all.c
  head/sys/cam/scsi/scsi_all.h

Modified: head/sys/cam/scsi/scsi_all.c
==============================================================================
--- head/sys/cam/scsi/scsi_all.c	Mon Apr 18 15:01:49 2016	(r298211)
+++ head/sys/cam/scsi/scsi_all.c	Mon Apr 18 15:01:59 2016	(r298212)
@@ -5626,6 +5626,19 @@ scsi_devid_is_lun_name(uint8_t *bufp)
 	return 1;
 }
 
+int
+scsi_devid_is_port_naa(uint8_t *bufp)
+{
+	struct scsi_vpd_id_descriptor *descr;
+
+	descr = (struct scsi_vpd_id_descriptor *)bufp;
+	if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_PORT)
+		return 0;
+	if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA)
+		return 0;
+	return 1;
+}
+
 struct scsi_vpd_id_descriptor *
 scsi_get_devid_desc(struct scsi_vpd_id_descriptor *desc, uint32_t len,
     scsi_devid_checkfn_t ck_fn)

Modified: head/sys/cam/scsi/scsi_all.h
==============================================================================
--- head/sys/cam/scsi/scsi_all.h	Mon Apr 18 15:01:49 2016	(r298211)
+++ head/sys/cam/scsi/scsi_all.h	Mon Apr 18 15:01:59 2016	(r298212)
@@ -3661,6 +3661,7 @@ int		scsi_devid_is_lun_eui64(uint8_t *bu
 int		scsi_devid_is_lun_naa(uint8_t *bufp);
 int		scsi_devid_is_lun_name(uint8_t *bufp);
 int		scsi_devid_is_lun_t10(uint8_t *bufp);
+int		scsi_devid_is_port_naa(uint8_t *bufp);
 struct scsi_vpd_id_descriptor *
 		scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len,
 			       scsi_devid_checkfn_t ck_fn);