vz: add device updates

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Signed-off-by: Maxim Nestratov <mnestratov@virtuozzo.com>

src/vz/vz_driver.c

@@ -1242,6 +1242,42 @@ vzDomainSetUserPassword(virDomainPtr domain,
     return ret;
 }
 
+static int vzDomainUpdateDeviceFlags(virDomainPtr dom,
+                                     const char *xml,
+                                     unsigned int flags)
+{
+    int ret = -1;
+    vzConnPtr privconn = dom->conn->privateData;
+    virDomainObjPtr privdom = NULL;
+    virDomainDeviceDefPtr dev = NULL;
+    vzDriverPtr driver = privconn->driver;
+
+    virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
+                  VIR_DOMAIN_AFFECT_CONFIG, -1);
+
+    if (!(privdom = vzDomObjFromDomain(dom)))
+        return -1;
+
+    if (vzCheckConfigUpdateFlags(privdom, &flags) < 0)
+        goto cleanup;
+
+    if (!(dev = virDomainDeviceDefParse(xml, privdom->def, driver->caps,
+                                        driver->xmlopt,
+                                        VIR_DOMAIN_XML_INACTIVE)))
+        goto cleanup;
+
+    if (prlsdkUpdateDevice(driver, privdom, dev) < 0)
+        goto cleanup;
+
+    ret = 0;
+ cleanup:
+
+    virDomainDeviceDefFree(dev);
+    virObjectUnlock(privdom);
+    return ret;
+}
+
+
 static unsigned long long
 vzDomainGetMaxMemory(virDomainPtr domain)
 {
@@ -2756,6 +2792,7 @@ static virHypervisorDriver vzHypervisorDriver = {
     .domainMigratePerform3Params = vzDomainMigratePerform3Params, /* 1.3.5 */
     .domainMigrateFinish3Params = vzDomainMigrateFinish3Params, /* 1.3.5 */
     .domainMigrateConfirm3Params = vzDomainMigrateConfirm3Params, /* 1.3.5 */
+    .domainUpdateDeviceFlags = vzDomainUpdateDeviceFlags, /* 2.0.0 */
 };
 
 static virConnectDriver vzConnectDriver = {

src/vz/vz_sdk.c

@@ -43,6 +43,11 @@ prlsdkUUIDParse(const char *uuidstr, unsigned char *uuid);
 
 VIR_LOG_INIT("parallels.sdk");
 
+static PRL_HANDLE
+prlsdkFindNetByMAC(PRL_HANDLE sdkdom, virMacAddrPtr mac);
+static PRL_HANDLE
+prlsdkGetDisk(PRL_HANDLE sdkdom, virDomainDiskDefPtr disk, bool isCt);
+
 /*
  * Log error description
  */
@@ -2796,10 +2801,10 @@ static const char * prlsdkFormatMac(virMacAddrPtr mac, char *macstr)
     return macstr;
 }
 
-static int prlsdkAddNet(vzDriverPtr driver,
+static int prlsdkConfigureNet(vzDriverPtr driver,
                               PRL_HANDLE sdkdom,
                               virDomainNetDefPtr net,
-                        bool isCt)
+                              bool isCt, bool create)
 {
     PRL_RESULT pret;
     PRL_HANDLE sdknet = PRL_INVALID_HANDLE;
@@ -2816,8 +2821,14 @@ static int prlsdkAddNet(vzDriverPtr driver,
     if (prlsdkCheckNetUnsupportedParams(net) < 0)
         return -1;
 
+    if (create) {
         pret = PrlVmCfg_CreateVmDev(sdkdom, PDE_GENERIC_NETWORK_ADAPTER, &sdknet);
         prlsdkCheckRetGoto(pret, cleanup);
+    } else {
+        sdknet = prlsdkFindNetByMAC(sdkdom, &net->mac);
+        if (sdknet == PRL_INVALID_HANDLE)
+            return -1;
+    }
 
     pret = PrlVmDev_SetEnabled(sdknet, 1);
     prlsdkCheckRetGoto(pret, cleanup);
@@ -3088,9 +3099,11 @@ prlsdkFindNetByMAC(PRL_HANDLE sdkdom, virMacAddrPtr mac)
     return adapter;
 }
 
-static int prlsdkAddDisk(vzDriverPtr driver,
+static int prlsdkConfigureDisk(vzDriverPtr driver,
                                PRL_HANDLE sdkdom,
-                         virDomainDiskDefPtr disk)
+                               virDomainDiskDefPtr disk,
+                               bool isCt,
+                               bool create)
 {
     PRL_RESULT pret;
     PRL_HANDLE sdkdisk = PRL_INVALID_HANDLE;
@@ -3109,8 +3122,14 @@ static int prlsdkAddDisk(vzDriverPtr driver,
     else
         devType = PDE_OPTICAL_DISK;
 
+    if (create) {
         pret = PrlVmCfg_CreateVmDev(sdkdom, devType, &sdkdisk);
         prlsdkCheckRetGoto(pret, cleanup);
+    } else {
+        sdkdisk = prlsdkGetDisk(sdkdom, disk, isCt);
+        if (sdkdisk == PRL_INVALID_HANDLE)
+            return -1;
+    }
 
     pret = PrlVmDev_SetEnabled(sdkdisk, 1);
     prlsdkCheckRetGoto(pret, cleanup);
@@ -3280,7 +3299,8 @@ prlsdkAttachDevice(vzDriverPtr driver,
 
     switch (dev->type) {
     case VIR_DOMAIN_DEVICE_DISK:
-        if (prlsdkAddDisk(driver, privdom->sdkdom, dev->data.disk) < 0)
+        if (prlsdkConfigureDisk(driver, privdom->sdkdom,
+                                dev->data.disk, IS_CT(dom->def), true) < 0)
             return -1;
 
         break;
@@ -3291,7 +3311,8 @@ prlsdkAttachDevice(vzDriverPtr driver,
             return -1;
         }
 
-        if (prlsdkAddNet(driver, privdom->sdkdom, dev->data.net, IS_CT(dom->def)) < 0)
+        if (prlsdkConfigureNet(driver, privdom->sdkdom, dev->data.net,
+                               IS_CT(dom->def), true) < 0)
             return -1;
 
         break;
@@ -3370,6 +3391,45 @@ prlsdkDetachDevice(vzDriverPtr driver,
     return ret;
 }
 
+int
+prlsdkUpdateDevice(vzDriverPtr driver,
+                   virDomainObjPtr dom,
+                   virDomainDeviceDefPtr dev)
+{
+    vzDomObjPtr privdom = dom->privateData;
+    PRL_HANDLE job = PRL_INVALID_HANDLE;
+
+    job = PrlVm_BeginEdit(privdom->sdkdom);
+    if (PRL_FAILED(waitJob(job)))
+        return -1;
+
+    switch (dev->type) {
+    case VIR_DOMAIN_DEVICE_DISK:
+        if (prlsdkConfigureDisk(driver, privdom->sdkdom, dev->data.disk,
+                                IS_CT(dom->def), false) < 0)
+            return -1;
+
+        break;
+    case VIR_DOMAIN_DEVICE_NET:
+        if (prlsdkConfigureNet(driver, privdom->sdkdom, dev->data.net,
+                               IS_CT(dom->def), false) < 0)
+            return -1;
+
+        break;
+    default:
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                       _("updating device type '%s' is unsupported"),
+                       virDomainDeviceTypeToString(dev->type));
+        return -1;
+    }
+
+    job = PrlVm_CommitEx(privdom->sdkdom, PVCF_DETACH_HDD_BUNDLE);
+    if (PRL_FAILED(waitJob(job)))
+        return -1;
+
+    return 0;
+}
+
 static int
 prlsdkAddFS(PRL_HANDLE sdkdom, virDomainFSDefPtr fs)
 {
@@ -3588,7 +3648,8 @@ prlsdkDoApplyConfig(vzDriverPtr driver,
     }
 
     for (i = 0; i < def->nnets; i++) {
-        if (prlsdkAddNet(driver, sdkdom, def->nets[i], IS_CT(def)) < 0)
+        if (prlsdkConfigureNet(driver, sdkdom, def->nets[i],
+                               IS_CT(def), true) < 0)
             goto error;
     }
 
@@ -3609,7 +3670,8 @@ prlsdkDoApplyConfig(vzDriverPtr driver,
     }
 
     for (i = 0; i < def->ndisks; i++) {
-        if (prlsdkAddDisk(driver, sdkdom, def->disks[i]) < 0)
+        if (prlsdkConfigureDisk(driver, sdkdom, def->disks[i],
+                                IS_CT(def), true) < 0)
             goto error;
     }
 

src/vz/vz_sdk.h

@@ -67,6 +67,8 @@ prlsdkAttachDevice(vzDriverPtr driver, virDomainObjPtr dom, virDomainDeviceDefPt
 int
 prlsdkDetachDevice(vzDriverPtr driver, virDomainObjPtr dom, virDomainDeviceDefPtr dev);
 int
+prlsdkUpdateDevice(vzDriverPtr driver, virDomainObjPtr dom, virDomainDeviceDefPtr dev);
+int
 prlsdkGetBlockStats(PRL_HANDLE sdkstats, virDomainDiskDefPtr disk, virDomainBlockStatsPtr stats);
 int
 prlsdkGetNetStats(PRL_HANDLE sdkstas, PRL_HANDLE sdkdom, const char *path, virDomainInterfaceStatsPtr stats);