[RFC v2: vf-token 6/7] qemu: validate & generate command line
Introduce a validation function for vf-token support in qemu
and generate vf-token device attribute in qemu command line
Signed-off-by: Vivek Kashyap <vivek.kashyap(a)linux.intel.com>
---
src/qemu/qemu_command.c | 13 +++++++++++++
src/qemu/qemu_validate.c | 20 ++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d54149ed2d..c8b8c37ff9 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4710,6 +4710,7 @@ qemuBuildPCIHostdevDevProps(const virDomainDef *def,
pcisrc->addr.slot,
pcisrc->addr.function);
const char *failover_pair_id = NULL;
+ g_autofree char *token = NULL;
/* caller has to assign proper passthrough backend type */
switch (pcisrc->backend) {
@@ -4736,9 +4737,21 @@ qemuBuildPCIHostdevDevProps(const virDomainDef *def,
teaming->persistent)
failover_pair_id = teaming->persistent;
+ if ((dev->info->pciAddrExtFlags & VIR_PCI_ADDRESS_EXTENSION_VFTOKEN)
&&
+ pcisrc->addr.token.isSet) {
+ const unsigned char *uuid = pcisrc->addr.token.uuid;
+
+ token = g_strdup_printf(VIR_PCI_DEVICE_TOKEN_FMT,
+ uuid[0], uuid[1], uuid[2], uuid[3],
+ uuid[4], uuid[5], uuid[6], uuid[7],
+ uuid[8], uuid[9], uuid[10], uuid[11],
+ uuid[12], uuid[13], uuid[14], uuid[15]);
+ }
+
if (virJSONValueObjectAdd(&props,
"s:driver", "vfio-pci",
"s:host", host,
+ "S:vf-token", token,
"s:id", dev->info->alias,
"p:bootindex",
dev->info->effectiveBootIndex,
"S:failover_pair_id", failover_pair_id,
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index e475ad035e..13114ca3d1 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -1364,6 +1364,24 @@ qemuValidateDomainDeviceDefZPCIAddress(virDomainDeviceInfo *info,
}
+static int
+qemuValidateDomainDeviceDefVFTokenId(virDomainDeviceInfo *info,
+ virQEMUCaps *qemuCaps)
+{
+ virPCIDeviceToken *vftoken = &info->addr.pci.token;
+
+ if (virPCIVFIOTokenIDIsPresent(vftoken) &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VFIO_VFTOKEN)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ "%s",
+ _("This QEMU binary doesn't support vf token
ids"));
+ return -1;
+ }
+
+ return 0;
+}
+
+
static int
qemuValidateDomainDeviceDefAddressDrive(virDomainDeviceInfo *info,
const virDomainDef *def,
@@ -1483,6 +1501,8 @@ qemuValidateDomainDeviceDefAddress(const virDomainDeviceDef *dev,
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI:
if (qemuValidateDomainDeviceDefZPCIAddress(info, qemuCaps) < 0)
return -1;
+ if (qemuValidateDomainDeviceDefVFTokenId(info, qemuCaps) < 0)
+ return -1;
break;
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE:
--
2.25.1