Patchwork [02/10] scsi: add a qdev property for the disk's WWN

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Submitter Paolo Bonzini
Date June 12, 2012, 4:42 p.m.
Message ID <1339519362-18852-3-git-send-email-pbonzini@redhat.com>
Download mbox | patch
Permalink /patch/164463/
State New
Headers show

Comments

Paolo Bonzini - June 12, 2012, 4:42 p.m.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/scsi-disk.c |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

Patch

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 2bd8907..8882f69 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -68,6 +68,7 @@  struct SCSIDiskState
     bool media_changed;
     bool media_event;
     bool eject_request;
+    uint64_t wwn;
     QEMUBH *bh;
     char *version;
     char *serial;
@@ -576,9 +577,17 @@  static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
             outbuf[buflen++] = 0;   // not officially assigned
             outbuf[buflen++] = 0;   // reserved
             outbuf[buflen++] = id_len; // length of data following
-
             memcpy(outbuf+buflen, str, id_len);
             buflen += id_len;
+
+            if (s->wwn) {
+                outbuf[buflen++] = 0x1; // Binary
+                outbuf[buflen++] = 0x3; // NAA
+                outbuf[buflen++] = 0;   // reserved
+                outbuf[buflen++] = 8;
+                stq_be_p(&outbuf[buflen], s->wwn);
+                buflen += 8;
+            }
             break;
         }
         case 0xb0: /* block limits */
@@ -1913,6 +1922,7 @@  static Property scsi_hd_properties[] = {
                     SCSI_DISK_F_REMOVABLE, false),
     DEFINE_PROP_BIT("dpofua", SCSIDiskState, features,
                     SCSI_DISK_F_DPOFUA, false),
+    DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -1957,6 +1967,7 @@  static TypeInfo scsi_hd_info = {
 
 static Property scsi_cd_properties[] = {
     DEFINE_SCSI_DISK_PROPERTIES(),
+    DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -2018,6 +2029,7 @@  static Property scsi_disk_properties[] = {
                     SCSI_DISK_F_REMOVABLE, false),
     DEFINE_PROP_BIT("dpofua", SCSIDiskState, features,
                     SCSI_DISK_F_DPOFUA, false),
+    DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0),
     DEFINE_PROP_END_OF_LIST(),
 };