Author: mav
Date: Wed Dec 21 09:05:30 2016
New Revision: 310356
URL: https://svnweb.freebsd.org/changeset/base/310356
Log:
Add support for locally assigned RFC 4122 UUID LUN identifiers.
MFC after: 2 weeks
Modified:
head/sys/cam/ctl/ctl.c
head/usr.sbin/ctladm/ctladm.8
Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c Wed Dec 21 08:32:20 2016 (r310355)
+++ head/sys/cam/ctl/ctl.c Wed Dec 21 09:05:30 2016 (r310356)
@@ -4371,6 +4371,8 @@ hex2bin(const char *str, uint8_t *buf, i
str += 2;
buf_size *= 2;
for (i = 0; str[i] != 0 && i < buf_size; i++) {
+ while (str[i] == '-') /* Skip dashes in UUIDs. */
+ str++;
c = str[i];
if (isdigit(c))
c -= '0';
@@ -4406,7 +4408,7 @@ ctl_alloc_lun(struct ctl_softc *ctl_soft
struct ctl_lun *nlun, *lun;
struct scsi_vpd_id_descriptor *desc;
struct scsi_vpd_id_t10 *t10id;
- const char *eui, *naa, *scsiname, *vendor, *value;
+ const char *eui, *naa, *scsiname, *uuid, *vendor, *value;
int lun_number, i, lun_malloced;
int devidlen, idlen1, idlen2 = 0, len;
@@ -4458,6 +4460,10 @@ ctl_alloc_lun(struct ctl_softc *ctl_soft
if (naa != NULL) {
len += sizeof(struct scsi_vpd_id_descriptor) + 16;
}
+ uuid = ctl_get_opt(&be_lun->options, "uuid");
+ if (uuid != NULL) {
+ len += sizeof(struct scsi_vpd_id_descriptor) + 18;
+ }
lun->lun_devid = malloc(sizeof(struct ctl_devid) + len,
M_CTL, M_WAITOK | M_ZERO);
desc = (struct scsi_vpd_id_descriptor *)lun->lun_devid->data;
@@ -4504,6 +4510,16 @@ ctl_alloc_lun(struct ctl_softc *ctl_soft
desc->length = desc->length > 8 ? 16 : 8;
len -= 16 - desc->length;
}
+ if (uuid != NULL) {
+ desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
+ desc->length);
+ desc->proto_codeset = SVPD_ID_CODESET_BINARY;
+ desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_LUN |
+ SVPD_ID_TYPE_UUID;
+ desc->identifier[0] = 0x10;
+ hex2bin(uuid, &desc->identifier[2], 16);
+ desc->length = 18;
+ }
lun->lun_devid->len = len;
mtx_lock(&ctl_softc->ctl_lock);
Modified: head/usr.sbin/ctladm/ctladm.8
==============================================================================
--- head/usr.sbin/ctladm/ctladm.8 Wed Dec 21 08:32:20 2016
(r310355)
+++ head/usr.sbin/ctladm/ctladm.8 Wed Dec 21 09:05:30 2016
(r310356)
@@ -35,7 +35,7 @@
.\" $Id: //depot/users/kenm/FreeBSD-test2/usr.sbin/ctladm/ctladm.8#3 $
.\" $FreeBSD$
.\"
-.Dd October 15, 2016
+.Dd December 21, 2016
.Dt CTLADM 8
.Os
.Sh NAME
@@ -859,9 +859,12 @@ Specifies LUN SCSI name string.
Specifies LUN EUI-64 identifier.
.It Va naa
Specifies LUN NAA identifier.
-Either EUI or NAA identifier should be set to UNIQUE value to allow
+.It Va uuid
+Specifies LUN locally assigned RFC 4122 UUID identifier.
+EUI, NAA or UUID identifier should be set to UNIQUE value to allow
EXTENDED COPY command access the LUN.
Non-unique LUN identifiers may lead to data corruption.
+Some initiators may not support later introduced UUID identifiers.
.It Va ha_role
Setting to "primary" or "secondary" overrides default role of the node
in HA cluster, set by kern.cam.ctl.ha_role sysctl.
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