[PATCH v3 08/13] ch: implement disk attach in public API

Stefan Kober posted 13 patches 3 days, 11 hours ago
[PATCH v3 08/13] ch: implement disk attach in public API
Posted by Stefan Kober 3 days, 11 hours ago
On-behalf-of: SAP stefan.kober@sap.com
Signed-off-by: Stefan Kober <stefan.kober@cyberus-technology.de>
---
 src/ch/ch_driver.c  | 44 +++++++++++++++++++++++++++++++++++++++++
 src/ch/ch_hotplug.c | 48 ++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 87 insertions(+), 5 deletions(-)

diff --git a/src/ch/ch_driver.c b/src/ch/ch_driver.c
index cf6874f22e..4f4783efb1 100644
--- a/src/ch/ch_driver.c
+++ b/src/ch/ch_driver.c
@@ -25,6 +25,7 @@
 #include "ch_conf.h"
 #include "ch_domain.h"
 #include "ch_driver.h"
+#include "ch_hotplug.h"
 #include "ch_monitor.h"
 #include "ch_process.h"
 #include "domain_cgroup.h"
@@ -2344,6 +2345,47 @@ chDomainInterfaceAddresses(virDomain *dom,
     return ret;
 }
 
+static int
+chDomainAttachDeviceFlags(virDomainPtr dom,
+                          const char *xml,
+                          unsigned int flags)
+{
+    virCHDriver *driver = dom->conn->privateData;
+    virDomainObj *vm = NULL;
+    int ret = -1;
+
+    if (!(vm = virCHDomainObjFromDomain(dom)))
+        goto cleanup;
+
+    if (virDomainAttachDeviceFlagsEnsureACL(dom->conn, vm->def, flags) < 0)
+        goto cleanup;
+
+    if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY) < 0)
+        goto cleanup;
+
+    if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
+        goto endjob;
+
+    if (chDomainAttachDeviceLiveAndUpdateConfig(vm, driver, xml, flags) < 0) {
+        goto endjob;
+    }
+
+    ret = 0;
+
+ endjob:
+    virDomainObjEndJob(vm);
+
+ cleanup:
+    virDomainObjEndAPI(&vm);
+    return ret;
+}
+
+static int
+chDomainAttachDevice(virDomainPtr dom,
+                     const char *xml)
+{
+    return chDomainAttachDeviceFlags(dom, xml, VIR_DOMAIN_AFFECT_LIVE);
+}
 
 /* Function Tables */
 static virHypervisorDriver chHypervisorDriver = {
@@ -2406,6 +2448,8 @@ static virHypervisorDriver chHypervisorDriver = {
     .connectDomainEventRegisterAny = chConnectDomainEventRegisterAny,       /* 10.10.0 */
     .connectDomainEventDeregisterAny = chConnectDomainEventDeregisterAny,   /* 10.10.0 */
     .domainInterfaceAddresses = chDomainInterfaceAddresses, /* 11.0.0 */
+    .domainAttachDevice = chDomainAttachDevice, /* 11.8.0 */
+    .domainAttachDeviceFlags = chDomainAttachDeviceFlags, /* 11.8.0 */
 };
 
 static virConnectDriver chConnectDriver = {
diff --git a/src/ch/ch_hotplug.c b/src/ch/ch_hotplug.c
index 7de688dc44..524355b93c 100644
--- a/src/ch/ch_hotplug.c
+++ b/src/ch/ch_hotplug.c
@@ -50,7 +50,6 @@ chDomainAddDisk(virCHMonitor *mon, virDomainObj *vm, virDomainDiskDef *disk)
     return 0;
 }
 
-G_GNUC_UNUSED
 static int
 chDomainAttachDeviceLive(virDomainObj *vm,
                          virDomainDeviceDef *dev)
@@ -108,13 +107,52 @@ chDomainAttachDeviceLive(virDomainObj *vm,
 }
 
 int
-chDomainAttachDeviceLiveAndUpdateConfig(virDomainObj *vm G_GNUC_UNUSED,
-                                        virCHDriver *driver G_GNUC_UNUSED,
-                                        const char *xml G_GNUC_UNUSED,
+chDomainAttachDeviceLiveAndUpdateConfig(virDomainObj *vm,
+                                        virCHDriver *driver,
+                                        const char *xml,
                                         unsigned int flags)
 {
+    unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE |
+                               VIR_DOMAIN_DEF_PARSE_ABI_UPDATE;
+    g_autoptr(virDomainDeviceDef) devLive = NULL;
+    g_autoptr(virDomainDef) vmdef = NULL;
+    g_autoptr(virCHDriverConfig) cfg = NULL;
+    g_autoptr(virDomainDeviceDef) devConf = NULL;
+
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
 
-    return -1;
+    cfg = virCHDriverGetConfig(driver);
+
+    if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+                       _("Persistent domain state changes are not supported"));
+        return -1;
+    }
+
+    if (flags & VIR_DOMAIN_AFFECT_LIVE) {
+        if (!(devLive = virDomainDeviceDefParse(xml, vm->def,
+                                                driver->xmlopt, NULL,
+                                                parse_flags))) {
+            return -1;
+        }
+
+        if (virDomainDeviceValidateAliasForHotplug(vm, devLive,
+                                                   VIR_DOMAIN_AFFECT_LIVE) < 0)
+            return -1;
+
+        if (virDomainDefCompatibleDevice(vm->def, devLive, NULL,
+                                        VIR_DOMAIN_DEVICE_ACTION_ATTACH,
+                                        true) < 0) {
+            return -1;
+        }
+
+        if (chDomainAttachDeviceLive(vm, devLive) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                        _("Failed to add device"));
+            return -1;
+        }
+    }
+
+    return 0;
 }
-- 
2.50.1