[libvirt] [PATCH 30/32] qemu: caps: Introduce capability for 'device_id' property of 'scsi-disk'

[Peter Krempa]

The property allows to control the guest-visible content of the vendor
specific designator of the 'Device Identification' page of a SCSI
device's VPD (vital product data).

QEMU was leaking the id string of -drive as the value if the 'serial' of
the disk was not specified. Switching to -blockdev would impose an ABI
change.

Signed-off-by: Peter Krempa <pkre...@redhat.com>
---
 src/qemu/qemu_capabilities.c                     | 2 ++
 src/qemu/qemu_capabilities.h                     | 1 +
 tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 901c0bca40..4ed995d59f 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -520,6 +520,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               /* 325 */
               "memory-backend-file.pmem",
               "nvdimm.unarmed",
+              "scsi-disk.device_id",
     );


@@ -1159,6 +1160,7 @@ static struct virQEMUCapsStringFlags 
virQEMUCapsDevicePropsSCSIDisk[] = {
     { "wwn", QEMU_CAPS_SCSI_DISK_WWN },
     { "share-rw", QEMU_CAPS_DISK_SHARE_RW },
     { "write-cache", QEMU_CAPS_DISK_WRITE_CACHE },
+    { "device_id", QEMU_CAPS_SCSI_DISK_DEVICE_ID },
 };

 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsIDEDrive[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 18abd555f4..928cf78e3d 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -504,6 +504,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for 
syntax-check */
     /* 325 */
     QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM, /* -object memory-backend-file,pmem= */
     QEMU_CAPS_DEVICE_NVDIMM_UNARMED, /* -device nvdimm,unarmed= */
+    QEMU_CAPS_SCSI_DISK_DEVICE_ID, /* 'device_id' property of scsi disk */

     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml 
b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
index dc3cc1f11d..32b4f2cb14 100644
--- a/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml
@@ -209,6 +209,7 @@
   <flag name='memory-backend-file.align'/>
   <flag name='memory-backend-file.pmem'/>
   <flag name='nvdimm.unarmed'/>
+  <flag name='scsi-disk.device_id'/>
   <version>3001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100758</microcodeVersion>
-- 
2.20.1

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