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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package com.cloud.hypervisor.xenserver.resource;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import org.apache.xmlrpc.XmlRpcException;
import com.cloud.agent.api.StartCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.agent.api.VgpuTypesInfo;
import com.cloud.agent.api.to.GPUDeviceTO;
import com.cloud.resource.ServerResource;
import com.xensource.xenapi.Connection;
import com.xensource.xenapi.GPUGroup;
import com.xensource.xenapi.Host;
import com.xensource.xenapi.PGPU;
import com.xensource.xenapi.Types.XenAPIException;
import com.xensource.xenapi.VGPU;
import com.xensource.xenapi.VGPUType;
import com.xensource.xenapi.VGPUType.Record;
import com.xensource.xenapi.VM;
@Local(value=ServerResource.class)
public class XenServer620SP1Resource extends XenServer620Resource {
private static final Logger s_logger = Logger.getLogger(XenServer620SP1Resource.class);
@Override
protected void fillHostInfo(final Connection conn, final StartupRoutingCommand cmd) {
super.fillHostInfo(conn, cmd);
try {
final HashMap<String, HashMap<String, VgpuTypesInfo>> groupDetails = getGPUGroupDetails(conn);
cmd.setGpuGroupDetails(groupDetails);
if (groupDetails != null && !groupDetails.isEmpty()) {
cmd.setHostTags("GPU");
}
} catch (final Exception e) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Error while getting GPU device info from host " + cmd.getName(), e);
}
}
}
@Override
public HashMap<String, HashMap<String, VgpuTypesInfo>> getGPUGroupDetails(final Connection conn) throws XenAPIException, XmlRpcException {
final HashMap<String, HashMap<String, VgpuTypesInfo>> groupDetails = new HashMap<String, HashMap<String, VgpuTypesInfo>>();
final Host host = Host.getByUuid(conn, _host.getUuid());
final Set<PGPU> pgpus = host.getPGPUs(conn);
final Iterator<PGPU> iter = pgpus.iterator();
while (iter.hasNext()) {
final PGPU pgpu = iter.next();
final GPUGroup gpuGroup = pgpu.getGPUGroup(conn);
final Set<VGPUType> enabledVGPUTypes = gpuGroup.getEnabledVGPUTypes(conn);
final String groupName = gpuGroup.getNameLabel(conn);
HashMap<String, VgpuTypesInfo> gpuCapacity = new HashMap<String, VgpuTypesInfo>();
if (groupDetails.get(groupName) != null) {
gpuCapacity = groupDetails.get(groupName);
}
// Get remaining capacity of all the enabled VGPU in a PGPU
if(enabledVGPUTypes != null) {
final Iterator<VGPUType> it = enabledVGPUTypes.iterator();
while (it.hasNext()) {
final VGPUType type = it.next();
final Record record = type.getRecord(conn);
Long remainingCapacity = pgpu.getRemainingCapacity(conn, type);
Long maxCapacity = pgpu.getSupportedVGPUMaxCapacities(conn).get(type);
VgpuTypesInfo entry;
if ((entry = gpuCapacity.get(record.modelName)) != null) {
remainingCapacity += entry.getRemainingCapacity();
maxCapacity += entry.getMaxCapacity();
entry.setRemainingCapacity(remainingCapacity);
entry.setMaxVmCapacity(maxCapacity);
gpuCapacity.put(record.modelName, entry);
} else {
final VgpuTypesInfo vgpuTypeRecord = new VgpuTypesInfo(null, record.modelName, record.framebufferSize, record.maxHeads,
record.maxResolutionX, record.maxResolutionY, maxCapacity, remainingCapacity, maxCapacity);
gpuCapacity.put(record.modelName, vgpuTypeRecord);
}
}
}
groupDetails.put(groupName, gpuCapacity);
}
return groupDetails;
}
@Override
public void createVGPU(final Connection conn, final StartCommand cmd, final VM vm, final GPUDeviceTO gpuDevice) throws XenAPIException, XmlRpcException {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Creating VGPU of VGPU type [ " + gpuDevice.getVgpuType() + " ] in gpu group" + gpuDevice.getGpuGroup()
+ " for VM " + cmd.getVirtualMachine().getName());
}
final Set<GPUGroup> groups = GPUGroup.getByNameLabel(conn, gpuDevice.getGpuGroup());
assert groups.size() == 1 : "Should only have 1 group but found " + groups.size();
final GPUGroup gpuGroup = groups.iterator().next();
final Set<VGPUType> vgpuTypes = gpuGroup.getEnabledVGPUTypes(conn);
final Iterator<VGPUType> iter = vgpuTypes.iterator();
VGPUType vgpuType = null;
while (iter.hasNext()) {
final VGPUType entry = iter.next();
if (entry.getModelName(conn).equals(gpuDevice.getVgpuType())) {
vgpuType = entry;
}
}
final String device = "0"; // Only allow device = "0" for now, as XenServer supports just a single vGPU per VM.
final Map<String, String> other_config = new HashMap<String, String>();
VGPU.create(conn, vm, gpuGroup, device, other_config, vgpuType);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Created VGPU of VGPU type [ " + gpuDevice.getVgpuType() + " ] for VM " + cmd.getVirtualMachine().getName());
}
// Calculate and set remaining GPU capacity in the host.
cmd.getVirtualMachine().getGpuDevice().setGroupDetails(getGPUGroupDetails(conn));
}
}