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qemu: Implement random number generator cold (un)plug
Add support for using the attach/detach device APIs on the inactive configuration to add RNG devices.
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parent
37b620059b
commit
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@ -380,6 +380,7 @@ virDomainPMSuspendedReasonTypeToString;
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virDomainRedirdevBusTypeFromString;
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virDomainRedirdevBusTypeToString;
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virDomainRNGBackendTypeToString;
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virDomainRNGDefFree;
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virDomainRNGFind;
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virDomainRNGInsert;
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virDomainRNGModelTypeToString;
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@ -7427,6 +7427,23 @@ qemuDomainAttachDeviceConfig(virQEMUCapsPtr qemuCaps,
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dev->data.fs = NULL;
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break;
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case VIR_DOMAIN_DEVICE_RNG:
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if (dev->data.rng->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
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virDomainDefHasDeviceAddress(vmdef, &dev->data.rng->info)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("a device with the same address already exists "));
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return -1;
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}
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if (virDomainRNGInsert(vmdef, dev->data.rng, false) < 0)
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return -1;
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if (qemuDomainAssignAddresses(vmdef, qemuCaps, NULL) < 0)
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return -1;
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dev->data.rng = NULL;
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break;
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case VIR_DOMAIN_DEVICE_INPUT:
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case VIR_DOMAIN_DEVICE_SOUND:
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case VIR_DOMAIN_DEVICE_VIDEO:
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@ -7436,7 +7453,6 @@ qemuDomainAttachDeviceConfig(virQEMUCapsPtr qemuCaps,
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case VIR_DOMAIN_DEVICE_SMARTCARD:
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case VIR_DOMAIN_DEVICE_MEMBALLOON:
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case VIR_DOMAIN_DEVICE_NVRAM:
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case VIR_DOMAIN_DEVICE_RNG:
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case VIR_DOMAIN_DEVICE_SHMEM:
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case VIR_DOMAIN_DEVICE_REDIRDEV:
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case VIR_DOMAIN_DEVICE_NONE:
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@ -7543,6 +7559,16 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef,
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virDomainFSDefFree(fs);
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break;
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case VIR_DOMAIN_DEVICE_RNG:
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if ((idx = virDomainRNGFind(vmdef, dev->data.rng)) < 0) {
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virReportError(VIR_ERR_OPERATION_FAILED, "%s",
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_("no matching RNG device was found"));
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return -1;
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}
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virDomainRNGDefFree(virDomainRNGRemove(vmdef, idx));
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break;
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case VIR_DOMAIN_DEVICE_INPUT:
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case VIR_DOMAIN_DEVICE_SOUND:
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case VIR_DOMAIN_DEVICE_VIDEO:
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@ -7552,7 +7578,6 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef,
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case VIR_DOMAIN_DEVICE_SMARTCARD:
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case VIR_DOMAIN_DEVICE_MEMBALLOON:
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case VIR_DOMAIN_DEVICE_NVRAM:
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case VIR_DOMAIN_DEVICE_RNG:
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case VIR_DOMAIN_DEVICE_SHMEM:
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case VIR_DOMAIN_DEVICE_REDIRDEV:
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case VIR_DOMAIN_DEVICE_NONE:
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