From 6de12b026b73d2f6d8e5de7d58a0476685f6ce9b Mon Sep 17 00:00:00 2001 From: Mikhail Feoktistov Date: Mon, 22 Jun 2015 19:57:00 +0300 Subject: [PATCH] vz: implementation of attach/detach network devices In this patch we add VIR_DOMAIN_DEVICE_NET handlers implementation for domainAttachDevice and domainDetachDevice callbacks. As soon as we don't support this operation for hypervisor type domains, we implement this functionality for containers only. In detach procedure we find network device by MAC address. Because PrlVmDevNet_GetMacAddress() returns MAC as a UTF-8 encoded null-terminated string, we use memcmp() to compare it. Also we remove corresponding virtual network by prlsdkDelNetAdapter call. --- src/vz/vz_driver.c | 16 ++++++ src/vz/vz_sdk.c | 127 +++++++++++++++++++++++++++++++++++++++++++++ src/vz/vz_sdk.h | 4 ++ 3 files changed, 147 insertions(+) diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c index cef3c7714..d9ddd4f53 100644 --- a/src/vz/vz_driver.c +++ b/src/vz/vz_driver.c @@ -1117,6 +1117,14 @@ static int vzDomainAttachDeviceFlags(virDomainPtr dom, const char *xml, goto cleanup; } break; + case VIR_DOMAIN_DEVICE_NET: + ret = prlsdkAttachNet(privdom, privconn, dev->data.net); + if (ret) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("network attach failed")); + goto cleanup; + } + break; default: virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("device type '%s' cannot be attached"), @@ -1186,6 +1194,14 @@ static int vzDomainDetachDeviceFlags(virDomainPtr dom, const char *xml, goto cleanup; } break; + case VIR_DOMAIN_DEVICE_NET: + ret = prlsdkDetachNet(privdom, privconn, dev->data.net); + if (ret) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("network detach failed")); + goto cleanup; + } + break; default: virReportError(VIR_ERR_OPERATION_UNSUPPORTED, _("device type '%s' cannot be detached"), diff --git a/src/vz/vz_sdk.c b/src/vz/vz_sdk.c index 98f7a57ce..dea6e3799 100644 --- a/src/vz/vz_sdk.c +++ b/src/vz/vz_sdk.c @@ -2908,6 +2908,133 @@ static void prlsdkDelNet(vzConnPtr privconn, virDomainNetDefPtr net) PrlHandle_Free(vnet); } +int prlsdkAttachNet(virDomainObjPtr dom, + parallelsConnPtr privconn, + virDomainNetDefPtr net) +{ + int ret = -1; + parallelsDomObjPtr privdom = dom->privateData; + PRL_HANDLE job = PRL_INVALID_HANDLE; + + if (!IS_CT(dom->def)) { + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", + _("network device cannot be attached")); + return ret; + } + + job = PrlVm_BeginEdit(privdom->sdkdom); + if (PRL_FAILED(waitJob(job))) + return ret; + + ret = prlsdkAddNet(privdom->sdkdom, privconn, net, IS_CT(dom->def)); + if (ret == 0) { + job = PrlVm_CommitEx(privdom->sdkdom, PVCF_DETACH_HDD_BUNDLE); + if (PRL_FAILED(waitJob(job))) { + return -1; + } + } + + return ret; +} + +static int +prlsdkGetNetIndex(PRL_HANDLE sdkdom, virDomainNetDefPtr net) +{ + int idx = -1; + PRL_RESULT pret; + PRL_UINT32 adaptersCount; + PRL_UINT32 i; + PRL_HANDLE adapter = PRL_INVALID_HANDLE; + PRL_UINT32 len; + char adapterMac[PRL_MAC_STRING_BUFNAME]; + char expectedMac[PRL_MAC_STRING_BUFNAME]; + + prlsdkFormatMac(&net->mac, expectedMac); + pret = PrlVmCfg_GetNetAdaptersCount(sdkdom, &adaptersCount); + prlsdkCheckRetGoto(pret, cleanup); + + for (i = 0; i < adaptersCount; ++i) { + + pret = PrlVmCfg_GetNetAdapter(sdkdom, i, &adapter); + prlsdkCheckRetGoto(pret, cleanup); + + len = sizeof(adapterMac); + memset(adapterMac, 0, sizeof(adapterMac)); + pret = PrlVmDevNet_GetMacAddress(adapter, adapterMac, &len); + prlsdkCheckRetGoto(pret, cleanup); + + if (memcmp(adapterMac, expectedMac, PRL_MAC_STRING_BUFNAME)) { + + PrlHandle_Free(adapter); + adapter = PRL_INVALID_HANDLE; + continue; + } + + idx = i; + break; + } + + cleanup: + PrlHandle_Free(adapter); + return idx; +} + +static int prlsdkDelNetAdapter(PRL_HANDLE sdkdom, int idx) +{ + int ret = -1; + PRL_RESULT pret; + PRL_HANDLE sdknet = PRL_INVALID_HANDLE; + + pret = PrlVmCfg_GetNetAdapter(sdkdom, idx, &sdknet); + prlsdkCheckRetGoto(pret, cleanup); + + pret = PrlVmDev_Remove(sdknet); + prlsdkCheckRetGoto(pret, cleanup); + + ret = 0; + + cleanup: + PrlHandle_Free(sdknet); + return ret; +} + +int prlsdkDetachNet(virDomainObjPtr dom, + parallelsConnPtr privconn, + virDomainNetDefPtr net) +{ + int ret = -1, idx = -1; + parallelsDomObjPtr privdom = dom->privateData; + PRL_HANDLE job = PRL_INVALID_HANDLE; + + if (!IS_CT(dom->def)) { + virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", + _("network device cannot be detached")); + return ret; + } + + job = PrlVm_BeginEdit(privdom->sdkdom); + if (PRL_FAILED(waitJob(job))) + return ret; + + idx = prlsdkGetNetIndex(privdom->sdkdom, net); + if (idx < 0) + return ret; + + ret = prlsdkDelNet(privconn, net); + if (ret != 0) + return ret; + + ret = prlsdkDelNetAdapter(privdom->sdkdom, idx); + if (ret == 0) { + job = PrlVm_CommitEx(privdom->sdkdom, PVCF_DETACH_HDD_BUNDLE); + if (PRL_FAILED(waitJob(job))) { + return -1; + } + } + + return ret; +} + static int prlsdkDelDisk(PRL_HANDLE sdkdom, int idx) { int ret = -1; diff --git a/src/vz/vz_sdk.h b/src/vz/vz_sdk.h index dd4fecfef..cde890478 100644 --- a/src/vz/vz_sdk.h +++ b/src/vz/vz_sdk.h @@ -66,3 +66,7 @@ int prlsdkDetachVolume(virDomainObjPtr dom, virDomainDiskDefPtr disk); int prlsdkGetBlockStats(virDomainObjPtr dom, virDomainDiskDefPtr disk, virDomainBlockStatsPtr stats); +int +prlsdkAttachNet(virDomainObjPtr dom, parallelsConnPtr privconn, virDomainNetDefPtr net); +int +prlsdkDetachNet(virDomainObjPtr dom, parallelsConnPtr privconn, virDomainNetDefPtr net); -- 2.39.5