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qemu: Introduce QEMU_CAPS_DEVICE_NVDIMM

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Introduce a qemu capability for -device nvdimm.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-07-29 08:17:42 +02:00
parent b4e8a49f8d
commit e21250dee8
2 changed files with 10 additions and 0 deletions
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9
src/qemu/qemu_capabilities.c
View File

@ -359,6 +359,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"query-cpu-model-expansion", /* 245 */
"virtio-net.host_mtu",
"spice-rendernode",
"nvdimm",
);
@ -1619,6 +1620,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
{ "ivshmem-plain", QEMU_CAPS_DEVICE_IVSHMEM_PLAIN },
{ "ivshmem-doorbell", QEMU_CAPS_DEVICE_IVSHMEM_DOORBELL },
{ "vhost-scsi", QEMU_CAPS_DEVICE_VHOST_SCSI },
{ "nvdimm", QEMU_CAPS_DEVICE_NVDIMM },
};
static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBalloon[] = {
@ -4542,6 +4544,13 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
virQEMUCapsProbeQMPGICCapabilities(qemuCaps, mon) < 0)
goto cleanup;
/* Prealloc on NVDIMMs is broken on older QEMUs leading to
* user data corruption. If we are dealing with such version
* of QEMU pretend we don't know how to NVDIMM. */
if (qemuCaps->version < 2009000 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_NVDIMM))
virQEMUCapsClear(qemuCaps, QEMU_CAPS_DEVICE_NVDIMM);
ret = 0;
cleanup:
return ret;

1
src/qemu/qemu_capabilities.h
View File

@ -394,6 +394,7 @@ typedef enum {
QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION, /* qmp query-cpu-model-expansion */
QEMU_CAPS_VIRTIO_NET_HOST_MTU, /* virtio-net-*.host_mtu */
QEMU_CAPS_SPICE_RENDERNODE, /* -spice rendernode */
QEMU_CAPS_DEVICE_NVDIMM, /* -device nvdimm */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;