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https://gitlab.com/libvirt/libvirt.git
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Implement virDomainAddIOThread and virDomainDelIOThread
Add libvirt API's to manage adding and deleting IOThreads to/from the domain
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@ -1615,6 +1615,12 @@ int virDomainPinIOThread(virDomainPtr domain,
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unsigned char *cpumap,
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unsigned char *cpumap,
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int maplen,
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int maplen,
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unsigned int flags);
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unsigned int flags);
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int virDomainAddIOThread(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags);
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int virDomainDelIOThread(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags);
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/**
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/**
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* VIR_USE_CPU:
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* VIR_USE_CPU:
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@ -392,6 +392,16 @@ typedef int
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int maplen,
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int maplen,
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unsigned int flags);
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unsigned int flags);
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typedef int
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(*virDrvDomainAddIOThread)(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags);
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typedef int
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(*virDrvDomainDelIOThread)(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags);
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typedef int
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typedef int
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(*virDrvDomainGetSecurityLabel)(virDomainPtr domain,
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(*virDrvDomainGetSecurityLabel)(virDomainPtr domain,
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virSecurityLabelPtr seclabel);
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virSecurityLabelPtr seclabel);
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@ -1273,6 +1283,8 @@ struct _virHypervisorDriver {
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virDrvDomainGetMaxVcpus domainGetMaxVcpus;
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virDrvDomainGetMaxVcpus domainGetMaxVcpus;
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virDrvDomainGetIOThreadInfo domainGetIOThreadInfo;
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virDrvDomainGetIOThreadInfo domainGetIOThreadInfo;
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virDrvDomainPinIOThread domainPinIOThread;
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virDrvDomainPinIOThread domainPinIOThread;
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virDrvDomainAddIOThread domainAddIOThread;
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virDrvDomainDelIOThread domainDelIOThread;
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virDrvDomainGetSecurityLabel domainGetSecurityLabel;
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virDrvDomainGetSecurityLabel domainGetSecurityLabel;
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virDrvDomainGetSecurityLabelList domainGetSecurityLabelList;
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virDrvDomainGetSecurityLabelList domainGetSecurityLabelList;
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virDrvNodeGetSecurityModel nodeGetSecurityModel;
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virDrvNodeGetSecurityModel nodeGetSecurityModel;
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@ -8019,6 +8019,124 @@ virDomainPinIOThread(virDomainPtr domain,
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}
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}
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/**
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* virDomainAddIOThread:
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* @domain: a domain object
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* @iothread_id: the specific IOThread ID value to add
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* @flags: bitwise-OR of virDomainModificationImpact
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*
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* Dynamically add an IOThread to the domain. If @iothread_id is a positive
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* non-zero value, then attempt to add the specific IOThread ID and error
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* out if the iothread id already exists.
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*
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* Note that this call can fail if the underlying virtualization hypervisor
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* does not support it or if growing the number is arbitrarily limited.
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* This function requires privileged access to the hypervisor.
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*
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* @flags may include VIR_DOMAIN_AFFECT_LIVE or VIR_DOMAIN_AFFECT_CONFIG.
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* Both flags may be set.
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* If VIR_DOMAIN_AFFECT_LIVE is set, the change affects a running domain
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* and may fail if domain is not alive.
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* If VIR_DOMAIN_AFFECT_CONFIG is set, the change affects persistent state,
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* and will fail for transient domains. If neither flag is specified (that is,
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* @flags is VIR_DOMAIN_AFFECT_CURRENT), then an inactive domain modifies
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* persistent setup, while an active domain is hypervisor-dependent on whether
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* just live or both live and persistent state is changed.
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*
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* Returns 0 in case of success, -1 in case of failure.
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*/
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int
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virDomainAddIOThread(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags)
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{
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virConnectPtr conn;
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VIR_DOMAIN_DEBUG(domain, "iothread_id=%u, flags=%x",
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iothread_id, flags);
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virResetLastError();
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virCheckDomainReturn(domain, -1);
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virCheckReadOnlyGoto(domain->conn->flags, error);
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conn = domain->conn;
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if (conn->driver->domainAddIOThread) {
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int ret;
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ret = conn->driver->domainAddIOThread(domain, iothread_id, flags);
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if (ret < 0)
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goto error;
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return ret;
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}
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virReportUnsupportedError();
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error:
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virDispatchError(domain->conn);
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return -1;
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}
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/**
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* virDomainDelIOThread:
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* @domain: a domain object
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* @iothread_id: the specific IOThread ID value to delete
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* @flags: bitwise-OR of virDomainModificationImpact
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*
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* Dynamically delete an IOThread from the domain. The @iothread_id to be
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* deleted must not have a resource associated with it and can be any of
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* the currently valid IOThread ID's.
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*
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* Note that this call can fail if the underlying virtualization hypervisor
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* does not support it or if reducing the number is arbitrarily limited.
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* This function requires privileged access to the hypervisor.
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*
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* @flags may include VIR_DOMAIN_AFFECT_LIVE or VIR_DOMAIN_AFFECT_CONFIG.
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* Both flags may be set.
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* If VIR_DOMAIN_AFFECT_LIVE is set, the change affects a running domain
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* and may fail if domain is not alive.
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* If VIR_DOMAIN_AFFECT_CONFIG is set, the change affects persistent state,
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* and will fail for transient domains. If neither flag is specified (that is,
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* @flags is VIR_DOMAIN_AFFECT_CURRENT), then an inactive domain modifies
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* persistent setup, while an active domain is hypervisor-dependent on whether
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* just live or both live and persistent state is changed.
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*
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* Returns 0 in case of success, -1 in case of failure.
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*/
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int
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virDomainDelIOThread(virDomainPtr domain,
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unsigned int iothread_id,
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unsigned int flags)
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{
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virConnectPtr conn;
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VIR_DOMAIN_DEBUG(domain, "iothread_id=%u, flags=%x", iothread_id, flags);
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virResetLastError();
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virCheckDomainReturn(domain, -1);
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virCheckReadOnlyGoto(domain->conn->flags, error);
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virCheckNonZeroArgGoto(iothread_id, error);
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conn = domain->conn;
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if (conn->driver->domainDelIOThread) {
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int ret;
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ret = conn->driver->domainDelIOThread(domain, iothread_id, flags);
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if (ret < 0)
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goto error;
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return ret;
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}
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virReportUnsupportedError();
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error:
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virDispatchError(domain->conn);
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return -1;
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}
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/**
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/**
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* virDomainGetSecurityLabel:
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* virDomainGetSecurityLabel:
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* @domain: a domain object
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* @domain: a domain object
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@ -704,4 +704,10 @@ LIBVIRT_1.2.14 {
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virDomainInterfaceFree;
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virDomainInterfaceFree;
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} LIBVIRT_1.2.12;
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} LIBVIRT_1.2.12;
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LIBVIRT_1.2.15 {
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global:
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virDomainAddIOThread;
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virDomainDelIOThread;
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} LIBVIRT_1.2.14;
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# .... define new API here using predicted next version number ....
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# .... define new API here using predicted next version number ....
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