From: Kothapally Madhu Pavan <kmp@xxxxxxxxxxxxxxxxxx> Similar to domainSaveImageDefineXML this commit adds domainManagedSaveDefineXML API which allows to edit domain's managed save state xml configuration. Signed-off-by: Kothapally Madhu Pavan <kmp@xxxxxxxxxxxxxxxxxx> --- include/libvirt/libvirt-domain.h | 4 +++ src/driver-hypervisor.h | 6 +++++ src/libvirt-domain.c | 57 ++++++++++++++++++++++++++++++++++++++++ src/libvirt_public.syms | 1 + src/remote/remote_driver.c | 1 + src/remote/remote_protocol.x | 15 ++++++++++- src/remote_protocol-structs | 6 +++++ 7 files changed, 89 insertions(+), 1 deletion(-) diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h index 4c5a7f7b5..030a62c43 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -1215,6 +1215,10 @@ int virDomainManagedSaveRemove(virDomainPtr dom, unsigned int flags); char * virDomainManagedSaveGetXMLDesc(virDomainPtr domain, unsigned int flags); +int virDomainManagedSaveDefineXML(virDomainPtr domain, + const char *dxml, + unsigned int flags); + /* * Domain core dump diff --git a/src/driver-hypervisor.h b/src/driver-hypervisor.h index a3f9cbc31..6c3f7d795 100644 --- a/src/driver-hypervisor.h +++ b/src/driver-hypervisor.h @@ -754,6 +754,11 @@ typedef char * (*virDrvDomainManagedSaveGetXMLDesc)(virDomainPtr domain, unsigned int flags); +typedef int +(*virDrvDomainManagedSaveDefineXML)(virDomainPtr domain, + const char *dxml, + unsigned int flags); + typedef virDomainSnapshotPtr (*virDrvDomainSnapshotCreateXML)(virDomainPtr domain, const char *xmlDesc, @@ -1433,6 +1438,7 @@ struct _virHypervisorDriver { virDrvDomainHasManagedSaveImage domainHasManagedSaveImage; virDrvDomainManagedSaveRemove domainManagedSaveRemove; virDrvDomainManagedSaveGetXMLDesc domainManagedSaveGetXMLDesc; + virDrvDomainManagedSaveDefineXML domainManagedSaveDefineXML; virDrvDomainSnapshotCreateXML domainSnapshotCreateXML; virDrvDomainSnapshotGetXMLDesc domainSnapshotGetXMLDesc; virDrvDomainSnapshotNum domainSnapshotNum; diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c index f43ab2478..ca5a1536a 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -9389,6 +9389,63 @@ virDomainManagedSaveGetXMLDesc(virDomainPtr domain, unsigned int flags) } +/** + * virDomainManagedSaveDefineXML: + * @domain: a domain object + * @dxml: XML config for adjusting guest xml used on restore + * @flags: bitwise-OR of virDomainSaveRestoreFlags + * + * This updates the definition of a domain stored in a saved state + * file. + * + * @dxml can be used to alter host-specific portions of the domain XML + * that will be used on the next start of the domain. For example, it is + * possible to alter the backing filename that is associated with a + * disk device. + * + * Normally, the saved state file will remember whether the domain was + * running or paused, and restore defaults to the same state. + * Specifying VIR_DOMAIN_SAVE_RUNNING or VIR_DOMAIN_SAVE_PAUSED in + * @flags will override the default saved into the file; omitting both + * leaves the file's default unchanged. These two flags are mutually + * exclusive. + * + * Returns 0 in case of success and -1 in case of failure. + */ +int +virDomainManagedSaveDefineXML(virDomainPtr domain, const char *dxml, + unsigned int flags) +{ + virConnectPtr conn; + + VIR_DOMAIN_DEBUG(domain, "flags=%x", flags); + + virResetLastError(); + + VIR_EXCLUSIVE_FLAGS_GOTO(VIR_DOMAIN_SAVE_RUNNING, + VIR_DOMAIN_SAVE_PAUSED, + error); + + virCheckDomainReturn(domain, -1); + conn = domain->conn; + + if (conn->driver->domainManagedSaveDefineXML) { + int ret; + ret = conn->driver->domainManagedSaveDefineXML(domain, dxml, flags); + + if (ret < 0) + goto error; + return ret; + } + + virReportUnsupportedError(); + + error: + virDispatchError(domain->conn); + return -1; +} + + /** * virDomainOpenConsole: * @dom: a domain object diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms index 58b9b4910..498601943 100644 --- a/src/libvirt_public.syms +++ b/src/libvirt_public.syms @@ -772,5 +772,6 @@ LIBVIRT_3.7.0 { global: virDomainMigrateGetMaxDowntime; virDomainManagedSaveGetXMLDesc; + virDomainManagedSaveDefineXML; } LIBVIRT_3.4.0; # .... define new API here using predicted next version number .... diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index c64f5b337..7f814cd4f 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -8412,6 +8412,7 @@ static virHypervisorDriver hypervisor_driver = { .domainHasManagedSaveImage = remoteDomainHasManagedSaveImage, /* 0.8.0 */ .domainManagedSaveRemove = remoteDomainManagedSaveRemove, /* 0.8.0 */ .domainManagedSaveGetXMLDesc = remoteDomainManagedSaveGetXMLDesc, /* 3.7.0 */ + .domainManagedSaveDefineXML = remoteDomainManagedSaveDefineXML, /* 3.7.0 */ .domainSnapshotCreateXML = remoteDomainSnapshotCreateXML, /* 0.8.0 */ .domainSnapshotGetXMLDesc = remoteDomainSnapshotGetXMLDesc, /* 0.8.0 */ .domainSnapshotNum = remoteDomainSnapshotNum, /* 0.8.0 */ diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x index 76033acc9..07463b781 100644 --- a/src/remote/remote_protocol.x +++ b/src/remote/remote_protocol.x @@ -2565,6 +2565,12 @@ struct remote_domain_managed_save_get_xml_desc_ret { remote_nonnull_string xml; }; +struct remote_domain_managed_save_define_xml_args { + remote_nonnull_domain dom; + remote_string dxml; + unsigned int flags; +}; + struct remote_domain_snapshot_create_xml_args { remote_nonnull_domain dom; remote_nonnull_string xml_desc; @@ -6095,5 +6101,12 @@ enum remote_procedure { * @acl: domain:read * @acl: domain:read_secure:VIR_DOMAIN_XML_SECURE */ - REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388 + REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388, + + /** + * @generate: both + * @acl: domain:write + * @acl: domain:hibernate + */ + REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML = 389 }; diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs index 4803a46f2..6038bf138 100644 --- a/src/remote_protocol-structs +++ b/src/remote_protocol-structs @@ -1977,6 +1977,11 @@ struct remote_domain_managed_save_get_xml_desc_args { struct remote_domain_managed_save_get_xml_desc_ret { remote_nonnull_string xml; }; +struct remote_domain_managed_save_define_xml_args { + remote_nonnull_domain dom; + remote_string dxml; + u_int flags; +}; struct remote_domain_snapshot_create_xml_args { remote_nonnull_domain dom; remote_nonnull_string xml_desc; @@ -3249,4 +3254,5 @@ enum remote_procedure { REMOTE_PROC_DOMAIN_SET_BLOCK_THRESHOLD = 386, REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME = 387, REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388, + REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML = 389, }; -- 2.14.1 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list