Re: [PATCH v2 4/5] qemu: command: support crypto device

Support virtio-crypto device, also support cryptodev types: - builtin - lkcf Finally, we can launch a VM(QEMU) with one or more crypto devices by libvirt. Signed-off-by: zhenwei pi <pizhenwei(a)bytedance.com&gt; --- src/qemu/qemu_command.c | 110 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 109 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index bb7031f66d..996a13a77b 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -926,6 +926,12 @@ qemuBuildVirtioDevGetConfigDev(const virDomainDeviceDef *device, } break; + case VIR_DOMAIN_DEVICE_CRYPTO: { + *baseName = "virtio-crypto"; + *virtioOptions = device->data.crypto->virtio; + break; + } + case VIR_DOMAIN_DEVICE_LEASE: case VIR_DOMAIN_DEVICE_SOUND: case VIR_DOMAIN_DEVICE_WATCHDOG: @@ -942,7 +948,6 @@ qemuBuildVirtioDevGetConfigDev(const virDomainDeviceDef *device, case VIR_DOMAIN_DEVICE_MEMORY: case VIR_DOMAIN_DEVICE_IOMMU: case VIR_DOMAIN_DEVICE_AUDIO: - case VIR_DOMAIN_DEVICE_CRYPTO: case VIR_DOMAIN_DEVICE_LAST: default: break; @@ -9894,6 +9899,106 @@ qemuBuildVsockCommandLine(virCommand *cmd, } +static int +qemuBuildCryptoBackendProps(virDomainCryptoDef *crypto, + virJSONValue **props) +{ + g_autofree char *objAlias = NULL; + + objAlias = g_strdup_printf("obj%s", crypto->info.alias); + + switch ((virDomainCryptoBackend) crypto->backend) { + case VIR_DOMAIN_CRYPTO_BACKEND_BUILTIN: + if (qemuMonitorCreateObjectProps(props, "cryptodev-backend-builtin", + objAlias, NULL) < 0) + return -1; + + break; + + case VIR_DOMAIN_CRYPTO_BACKEND_LKCF: + if (qemuMonitorCreateObjectProps(props, "cryptodev-backend-lkcf", + objAlias, NULL) < 0) + return -1; + + break; + + case VIR_DOMAIN_CRYPTO_BACKEND_LAST: + break; + }

+ + if (virJSONValueObjectAdd(props, + "p:queues", crypto->queues,

+ NULL) < 0) + return -1; + + + return 0; +}