mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-02 03:11:12 +00:00
bb6cb66fde
Well, the remaining drivers that already had the get/set scheduler parameter functionality to begin with. For now, this blindly treats VIR_DOMAIN_SCHEDINFO_CURRENT as the only supported operation for these 5 domains; it will take domain-specific patches if more specific behavior is preferred. * src/esx/esx_driver.c (esxDomainGetSchedulerParameters) (esxDomainSetSchedulerParameters): Move guts... (esxDomainGetSchedulerParametersFlags) (esxDomainSetSchedulerParametersFlags): ...to new functions. * src/libxl/libxl_driver.c (libxlDomainGetSchedulerParameters) (libxlDomainSetSchedulerParameters) (libxlDomainGetSchedulerParametersFlags) (libxlDomainSetSchedulerParametersFlags): Likewise. * src/lxc/lxc_driver.c (lxcGetSchedulerParameters) (lxcSetSchedulerParameters, lxcGetSchedulerParametersFlags) (lxcSetSchedulerParametersFlags): Likewise. * src/test/test_driver.c (testDomainGetSchedulerParams) (testDomainSetSchedulerParams, testDomainGetSchedulerParamsFlags) (testDomainSetSchedulerParamsFlags): Likewise. * src/xen/xen_driver.c (xenUnifiedDomainGetSchedulerParameters) (xenUnifiedDomainSetSchedulerParameters) (xenUnifiedDomainGetSchedulerParametersFlags) (xenUnifiedDomainSetSchedulerParametersFlags): Likewise.
2442 lines
67 KiB
C
2442 lines
67 KiB
C
/*
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* xen_driver.c: Unified Xen driver.
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*
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* Copyright (C) 2007-2011 Red Hat, Inc.
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*
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* See COPYING.LIB for the License of this software
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*
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* Richard W.M. Jones <rjones@redhat.com>
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*/
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#include <config.h>
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/* Note:
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*
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* This driver provides a unified interface to the five
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* separate underlying Xen drivers (xen_internal,
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* xend_internal, xs_internal and xm_internal). Historically
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* the body of libvirt.c handled the five Xen drivers,
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* and contained Xen-specific code.
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*/
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <xen/dom0_ops.h>
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#include <libxml/uri.h>
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#include "virterror_internal.h"
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#include "logging.h"
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#include "datatypes.h"
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#include "xen_driver.h"
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#include "xen_sxpr.h"
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#include "xen_xm.h"
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#include "xen_hypervisor.h"
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#include "xend_internal.h"
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#include "xs_internal.h"
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#include "xm_internal.h"
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#if WITH_XEN_INOTIFY
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# include "xen_inotify.h"
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#endif
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#include "xml.h"
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#include "util.h"
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#include "memory.h"
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#include "node_device_conf.h"
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#include "pci.h"
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#include "uuid.h"
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#include "fdstream.h"
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#include "files.h"
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#include "command.h"
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#define VIR_FROM_THIS VIR_FROM_XEN
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static int
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xenUnifiedNodeGetInfo (virConnectPtr conn, virNodeInfoPtr info);
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static int
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xenUnifiedDomainGetMaxVcpus (virDomainPtr dom);
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static int
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xenUnifiedDomainGetVcpus (virDomainPtr dom,
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virVcpuInfoPtr info, int maxinfo,
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unsigned char *cpumaps, int maplen);
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/* The five Xen drivers below us. */
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static struct xenUnifiedDriver const * const drivers[XEN_UNIFIED_NR_DRIVERS] = {
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[XEN_UNIFIED_HYPERVISOR_OFFSET] = &xenHypervisorDriver,
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[XEN_UNIFIED_XEND_OFFSET] = &xenDaemonDriver,
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[XEN_UNIFIED_XS_OFFSET] = &xenStoreDriver,
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[XEN_UNIFIED_XM_OFFSET] = &xenXMDriver,
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#if WITH_XEN_INOTIFY
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[XEN_UNIFIED_INOTIFY_OFFSET] = &xenInotifyDriver,
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#endif
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};
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#if defined WITH_LIBVIRTD || defined __sun
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static int inside_daemon;
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#endif
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#define xenUnifiedError(code, ...) \
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virReportErrorHelper(VIR_FROM_XEN, code, __FILE__, \
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__FUNCTION__, __LINE__, __VA_ARGS__)
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/**
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* xenNumaInit:
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* @conn: pointer to the hypervisor connection
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*
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* Initializer for previous variables. We currently assume that
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* the number of physical CPU and the number of NUMA cell is fixed
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* until reboot which might be false in future Xen implementations.
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*/
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static void
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xenNumaInit(virConnectPtr conn) {
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virNodeInfo nodeInfo;
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xenUnifiedPrivatePtr priv;
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int ret;
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ret = xenUnifiedNodeGetInfo(conn, &nodeInfo);
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if (ret < 0)
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return;
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priv = conn->privateData;
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priv->nbNodeCells = nodeInfo.nodes;
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priv->nbNodeCpus = nodeInfo.cpus;
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}
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/**
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* xenDomainUsedCpus:
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* @dom: the domain
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*
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* Analyze which set of CPUs are used by the domain and
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* return a string providing the ranges.
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*
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* Returns the string which needs to be freed by the caller or
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* NULL if the domain uses all CPU or in case of error.
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*/
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char *
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xenDomainUsedCpus(virDomainPtr dom)
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{
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char *res = NULL;
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int ncpus;
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int nb_vcpu;
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char *cpulist = NULL;
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unsigned char *cpumap = NULL;
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size_t cpumaplen;
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int nb = 0;
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int n, m;
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virVcpuInfoPtr cpuinfo = NULL;
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virNodeInfo nodeinfo;
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xenUnifiedPrivatePtr priv;
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if (!VIR_IS_CONNECTED_DOMAIN(dom))
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return (NULL);
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priv = dom->conn->privateData;
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if (priv->nbNodeCpus <= 0)
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return(NULL);
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nb_vcpu = xenUnifiedDomainGetMaxVcpus(dom);
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if (nb_vcpu <= 0)
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return(NULL);
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if (xenUnifiedNodeGetInfo(dom->conn, &nodeinfo) < 0)
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return(NULL);
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if (VIR_ALLOC_N(cpulist, priv->nbNodeCpus) < 0) {
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virReportOOMError();
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goto done;
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}
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if (VIR_ALLOC_N(cpuinfo, nb_vcpu) < 0) {
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virReportOOMError();
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goto done;
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}
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cpumaplen = VIR_CPU_MAPLEN(VIR_NODEINFO_MAXCPUS(nodeinfo));
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if (xalloc_oversized(nb_vcpu, cpumaplen) ||
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VIR_ALLOC_N(cpumap, nb_vcpu * cpumaplen) < 0) {
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virReportOOMError();
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goto done;
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}
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if ((ncpus = xenUnifiedDomainGetVcpus(dom, cpuinfo, nb_vcpu,
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cpumap, cpumaplen)) >= 0) {
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for (n = 0 ; n < ncpus ; n++) {
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for (m = 0 ; m < priv->nbNodeCpus; m++) {
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if ((cpulist[m] == 0) &&
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(VIR_CPU_USABLE(cpumap, cpumaplen, n, m))) {
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cpulist[m] = 1;
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nb++;
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/* if all CPU are used just return NULL */
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if (nb == priv->nbNodeCpus)
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goto done;
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}
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}
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}
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res = virDomainCpuSetFormat(cpulist, priv->nbNodeCpus);
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}
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done:
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VIR_FREE(cpulist);
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VIR_FREE(cpumap);
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VIR_FREE(cpuinfo);
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return(res);
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}
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#ifdef WITH_LIBVIRTD
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static int
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xenInitialize (int privileged ATTRIBUTE_UNUSED)
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{
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inside_daemon = 1;
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return 0;
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}
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static virStateDriver state_driver = {
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.name = "Xen",
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.initialize = xenInitialize,
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};
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#endif
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/*----- Dispatch functions. -----*/
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/* These dispatch functions follow the model used historically
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* by libvirt.c -- trying each low-level Xen driver in turn
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* until one succeeds. However since we know what low-level
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* drivers can perform which functions, it is probably better
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* in future to optimise these dispatch functions to just call
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* the single function (or small number of appropriate functions)
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* in the low level drivers directly.
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*/
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static int
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xenUnifiedProbe (void)
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{
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#ifdef __linux__
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if (virFileExists("/proc/xen"))
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return 1;
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#endif
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#ifdef __sun
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int fd;
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if ((fd = open("/dev/xen/domcaps", O_RDONLY)) >= 0) {
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VIR_FORCE_CLOSE(fd);
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return 1;
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}
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#endif
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return 0;
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}
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#ifdef WITH_LIBXL
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static int
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xenUnifiedXendProbe (void)
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{
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virCommandPtr cmd;
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int status;
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int ret = 0;
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cmd = virCommandNewArgList("/usr/sbin/xend", "status", NULL);
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if (virCommandRun(cmd, &status) == 0 && status == 0)
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ret = 1;
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virCommandFree(cmd);
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return ret;
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}
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#endif
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static virDrvOpenStatus
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xenUnifiedOpen (virConnectPtr conn, virConnectAuthPtr auth, int flags)
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{
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int i, ret = VIR_DRV_OPEN_DECLINED;
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xenUnifiedPrivatePtr priv;
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virDomainEventCallbackListPtr cbList;
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#ifdef __sun
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/*
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* Only the libvirtd instance can open this driver.
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* Everything else falls back to the remote driver.
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*/
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if (!inside_daemon)
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return VIR_DRV_OPEN_DECLINED;
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#endif
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if (conn->uri == NULL) {
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if (!xenUnifiedProbe())
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return VIR_DRV_OPEN_DECLINED;
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conn->uri = xmlParseURI("xen:///");
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if (!conn->uri) {
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virReportOOMError();
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return VIR_DRV_OPEN_ERROR;
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}
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} else {
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if (conn->uri->scheme) {
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/* Decline any scheme which isn't "xen://" or "http://". */
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if (STRCASENEQ(conn->uri->scheme, "xen") &&
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STRCASENEQ(conn->uri->scheme, "http"))
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return VIR_DRV_OPEN_DECLINED;
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/* Return an error if the path isn't '' or '/' */
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if (conn->uri->path &&
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STRNEQ(conn->uri->path, "") &&
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STRNEQ(conn->uri->path, "/")) {
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xenUnifiedError(VIR_ERR_INTERNAL_ERROR,
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_("unexpected Xen URI path '%s', try xen:///"),
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conn->uri->path);
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return VIR_DRV_OPEN_ERROR;
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}
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/* Decline any xen:// URI with a server specified, allowing remote
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* driver to handle, but keep any http:/// URIs */
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if (STRCASEEQ(conn->uri->scheme, "xen") &&
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conn->uri->server)
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return VIR_DRV_OPEN_DECLINED;
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} else {
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/* Special case URI for Xen driver only:
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*
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* Treat a plain path as a Xen UNIX socket path, and give
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* error unless path is absolute
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*/
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if (!conn->uri->path || conn->uri->path[0] != '/') {
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xenUnifiedError(VIR_ERR_INTERNAL_ERROR,
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_("unexpected Xen URI path '%s', try ///var/lib/xen/xend-socket"),
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NULLSTR(conn->uri->path));
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return VIR_DRV_OPEN_ERROR;
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}
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}
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}
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#ifdef WITH_LIBXL
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/* Decline xen:// URI if xend is not running and libxenlight
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* driver is potentially available. */
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if (!xenUnifiedXendProbe())
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return VIR_DRV_OPEN_DECLINED;
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#endif
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/* We now know the URI is definitely for this driver, so beyond
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* here, don't return DECLINED, always use ERROR */
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/* Allocate per-connection private data. */
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if (VIR_ALLOC(priv) < 0) {
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virReportOOMError();
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return VIR_DRV_OPEN_ERROR;
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}
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if (virMutexInit(&priv->lock) < 0) {
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xenUnifiedError(VIR_ERR_INTERNAL_ERROR,
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"%s", _("cannot initialize mutex"));
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VIR_FREE(priv);
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return VIR_DRV_OPEN_ERROR;
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}
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/* Allocate callback list */
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if (VIR_ALLOC(cbList) < 0) {
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virReportOOMError();
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virMutexDestroy(&priv->lock);
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VIR_FREE(priv);
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return VIR_DRV_OPEN_ERROR;
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}
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conn->privateData = priv;
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priv->domainEventCallbacks = cbList;
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priv->handle = -1;
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priv->xendConfigVersion = -1;
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priv->xshandle = NULL;
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|
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/* Hypervisor is only run with privilege & required to succeed */
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if (xenHavePrivilege()) {
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VIR_DEBUG("Trying hypervisor sub-driver");
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if (drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->open(conn, auth, flags) ==
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VIR_DRV_OPEN_SUCCESS) {
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VIR_DEBUG("Activated hypervisor sub-driver");
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priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET] = 1;
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}
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}
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/* XenD is required to succeed if privileged */
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VIR_DEBUG("Trying XenD sub-driver");
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if (drivers[XEN_UNIFIED_XEND_OFFSET]->open(conn, auth, flags) ==
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VIR_DRV_OPEN_SUCCESS) {
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VIR_DEBUG("Activated XenD sub-driver");
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priv->opened[XEN_UNIFIED_XEND_OFFSET] = 1;
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|
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/* XenD is active, so try the xm & xs drivers too, both requird to
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* succeed if root, optional otherwise */
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if (priv->xendConfigVersion <= 2) {
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VIR_DEBUG("Trying XM sub-driver");
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if (drivers[XEN_UNIFIED_XM_OFFSET]->open(conn, auth, flags) ==
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VIR_DRV_OPEN_SUCCESS) {
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VIR_DEBUG("Activated XM sub-driver");
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priv->opened[XEN_UNIFIED_XM_OFFSET] = 1;
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}
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}
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VIR_DEBUG("Trying XS sub-driver");
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if (drivers[XEN_UNIFIED_XS_OFFSET]->open(conn, auth, flags) ==
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VIR_DRV_OPEN_SUCCESS) {
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VIR_DEBUG("Activated XS sub-driver");
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priv->opened[XEN_UNIFIED_XS_OFFSET] = 1;
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} else {
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if (xenHavePrivilege())
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goto fail; /* XS is mandatory when privileged */
|
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}
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} else {
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if (xenHavePrivilege()) {
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goto fail; /* XenD is mandatory when privileged */
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} else {
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VIR_DEBUG("Handing off for remote driver");
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ret = VIR_DRV_OPEN_DECLINED; /* Let remote_driver try instead */
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goto clean;
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}
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}
|
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|
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xenNumaInit(conn);
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|
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if (!(priv->caps = xenHypervisorMakeCapabilities(conn))) {
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VIR_DEBUG("Failed to make capabilities");
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goto fail;
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}
|
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|
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#if WITH_XEN_INOTIFY
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if (xenHavePrivilege()) {
|
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VIR_DEBUG("Trying Xen inotify sub-driver");
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if (drivers[XEN_UNIFIED_INOTIFY_OFFSET]->open(conn, auth, flags) ==
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VIR_DRV_OPEN_SUCCESS) {
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VIR_DEBUG("Activated Xen inotify sub-driver");
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priv->opened[XEN_UNIFIED_INOTIFY_OFFSET] = 1;
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}
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}
|
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#endif
|
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return VIR_DRV_OPEN_SUCCESS;
|
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fail:
|
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ret = VIR_DRV_OPEN_ERROR;
|
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clean:
|
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VIR_DEBUG("Failed to activate a mandatory sub-driver");
|
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for (i = 0 ; i < XEN_UNIFIED_NR_DRIVERS ; i++)
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if (priv->opened[i]) drivers[i]->close(conn);
|
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virMutexDestroy(&priv->lock);
|
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VIR_FREE(priv);
|
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conn->privateData = NULL;
|
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return ret;
|
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}
|
|
|
|
#define GET_PRIVATE(conn) \
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xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) (conn)->privateData
|
|
|
|
static int
|
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xenUnifiedClose (virConnectPtr conn)
|
|
{
|
|
GET_PRIVATE(conn);
|
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int i;
|
|
|
|
virCapabilitiesFree(priv->caps);
|
|
virDomainEventCallbackListFree(priv->domainEventCallbacks);
|
|
|
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for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->close)
|
|
(void) drivers[i]->close (conn);
|
|
|
|
virMutexDestroy(&priv->lock);
|
|
VIR_FREE(conn->privateData);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define HV_VERSION ((DOM0_INTERFACE_VERSION >> 24) * 1000000 + \
|
|
((DOM0_INTERFACE_VERSION >> 16) & 0xFF) * 1000 + \
|
|
(DOM0_INTERFACE_VERSION & 0xFFFF))
|
|
|
|
unsigned long xenUnifiedVersion(void)
|
|
{
|
|
return HV_VERSION;
|
|
}
|
|
|
|
|
|
static const char *
|
|
xenUnifiedType (virConnectPtr conn)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i])
|
|
return "Xen";
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Which features are supported by this driver? */
|
|
static int
|
|
xenUnifiedSupportsFeature (virConnectPtr conn ATTRIBUTE_UNUSED, int feature)
|
|
{
|
|
switch (feature) {
|
|
case VIR_DRV_FEATURE_MIGRATION_V1:
|
|
case VIR_DRV_FEATURE_MIGRATION_DIRECT:
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
xenUnifiedGetVersion (virConnectPtr conn, unsigned long *hvVer)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->version &&
|
|
drivers[i]->version (conn, hvVer) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedIsEncrypted(virConnectPtr conn ATTRIBUTE_UNUSED)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedIsSecure(virConnectPtr conn)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int ret = 1;
|
|
|
|
/* All drivers are secure, except for XenD over TCP */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET] &&
|
|
priv->addrfamily != AF_UNIX)
|
|
ret = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
xenUnifiedGetMaxVcpus (virConnectPtr conn, const char *type)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
|
|
if (type && STRCASENEQ (type, "Xen")) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET])
|
|
return xenHypervisorGetMaxVcpus (conn, type);
|
|
else {
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeGetInfo (virConnectPtr conn, virNodeInfoPtr info)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->nodeGetInfo &&
|
|
drivers[i]->nodeGetInfo (conn, info) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static char *
|
|
xenUnifiedGetCapabilities (virConnectPtr conn)
|
|
{
|
|
xenUnifiedPrivatePtr priv = conn->privateData;
|
|
char *xml;
|
|
|
|
if (!(xml = virCapabilitiesFormatXML(priv->caps))) {
|
|
virReportOOMError();
|
|
return NULL;
|
|
}
|
|
|
|
return xml;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedListDomains (virConnectPtr conn, int *ids, int maxids)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int ret;
|
|
|
|
/* Try xenstore. */
|
|
if (priv->opened[XEN_UNIFIED_XS_OFFSET]) {
|
|
ret = xenStoreListDomains (conn, ids, maxids);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
/* Try HV. */
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorListDomains (conn, ids, maxids);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
/* Try xend. */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonListDomains (conn, ids, maxids);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNumOfDomains (virConnectPtr conn)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int ret;
|
|
|
|
/* Try xenstore. */
|
|
if (priv->opened[XEN_UNIFIED_XS_OFFSET]) {
|
|
ret = xenStoreNumOfDomains (conn);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
/* Try HV. */
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorNumOfDomains (conn);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
/* Try xend. */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonNumOfDomains (conn);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static virDomainPtr
|
|
xenUnifiedDomainCreateXML (virConnectPtr conn,
|
|
const char *xmlDesc, unsigned int flags)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
virDomainPtr ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainCreateXML) {
|
|
ret = drivers[i]->domainCreateXML (conn, xmlDesc, flags);
|
|
if (ret) return ret;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Assumption made in underlying drivers:
|
|
* If the domain is "not found" and there is no other error, then
|
|
* the Lookup* functions return a NULL but do not set virterror.
|
|
*/
|
|
static virDomainPtr
|
|
xenUnifiedDomainLookupByID (virConnectPtr conn, int id)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
virDomainPtr ret;
|
|
|
|
/* Reset any connection-level errors in virterror first, in case
|
|
* there is one hanging around from a previous call.
|
|
*/
|
|
virConnResetLastError (conn);
|
|
|
|
/* Try hypervisor/xenstore combo. */
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorLookupDomainByID (conn, id);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Try xend. */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonLookupByID (conn, id);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Not found. */
|
|
xenUnifiedError(VIR_ERR_NO_DOMAIN, __FUNCTION__);
|
|
return NULL;
|
|
}
|
|
|
|
static virDomainPtr
|
|
xenUnifiedDomainLookupByUUID (virConnectPtr conn,
|
|
const unsigned char *uuid)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
virDomainPtr ret;
|
|
|
|
/* Reset any connection-level errors in virterror first, in case
|
|
* there is one hanging around from a previous call.
|
|
*/
|
|
virConnResetLastError (conn);
|
|
|
|
/* Try hypervisor/xenstore combo. */
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorLookupDomainByUUID (conn, uuid);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Try xend. */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonLookupByUUID (conn, uuid);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Try XM for inactive domains. */
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
ret = xenXMDomainLookupByUUID (conn, uuid);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Not found. */
|
|
xenUnifiedError(VIR_ERR_NO_DOMAIN, __FUNCTION__);
|
|
return NULL;
|
|
}
|
|
|
|
static virDomainPtr
|
|
xenUnifiedDomainLookupByName (virConnectPtr conn,
|
|
const char *name)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
virDomainPtr ret;
|
|
|
|
/* Reset any connection-level errors in virterror first, in case
|
|
* there is one hanging around from a previous call.
|
|
*/
|
|
virConnResetLastError (conn);
|
|
|
|
/* Try xend. */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonLookupByName (conn, name);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Try xenstore for inactive domains. */
|
|
if (priv->opened[XEN_UNIFIED_XS_OFFSET]) {
|
|
ret = xenStoreLookupByName (conn, name);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Try XM for inactive domains. */
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
ret = xenXMDomainLookupByName (conn, name);
|
|
if (ret || conn->err.code != VIR_ERR_OK)
|
|
return ret;
|
|
}
|
|
|
|
/* Not found. */
|
|
xenUnifiedError(VIR_ERR_NO_DOMAIN, __FUNCTION__);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainIsActive(virDomainPtr dom)
|
|
{
|
|
virDomainPtr currdom;
|
|
int ret = -1;
|
|
|
|
/* ID field in dom may be outdated, so re-lookup */
|
|
currdom = xenUnifiedDomainLookupByUUID(dom->conn, dom->uuid);
|
|
|
|
if (currdom) {
|
|
ret = currdom->id == -1 ? 0 : 1;
|
|
virDomainFree(currdom);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainIsPersistent(virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
virDomainPtr currdom = NULL;
|
|
int ret = -1;
|
|
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
/* Old Xen, pre-inactive domain management.
|
|
* If the XM driver can see the guest, it is definitely persistent */
|
|
currdom = xenXMDomainLookupByUUID(dom->conn, dom->uuid);
|
|
if (currdom)
|
|
ret = 1;
|
|
else
|
|
ret = 0;
|
|
} else {
|
|
/* New Xen with inactive domain management */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
currdom = xenDaemonLookupByUUID(dom->conn, dom->uuid);
|
|
if (currdom) {
|
|
if (currdom->id == -1) {
|
|
/* If its inactive, then trivially, it must be persistent */
|
|
ret = 1;
|
|
} else {
|
|
char *path;
|
|
char uuidstr[VIR_UUID_STRING_BUFLEN];
|
|
|
|
/* If its running there's no official way to tell, so we
|
|
* go behind xend's back & look at the config dir */
|
|
|
|
virUUIDFormat(dom->uuid, uuidstr);
|
|
if (virAsprintf(&path, "%s/%s", XEND_DOMAINS_DIR, uuidstr) < 0) {
|
|
virReportOOMError();
|
|
goto done;
|
|
}
|
|
if (access(path, R_OK) == 0)
|
|
ret = 1;
|
|
else if (errno == ENOENT)
|
|
ret = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (currdom)
|
|
virDomainFree(currdom);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainIsUpdated(virDomainPtr dom ATTRIBUTE_UNUSED)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSuspend (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
/* Try non-hypervisor methods first, then hypervisor direct method
|
|
* as a last resort.
|
|
*/
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (i != XEN_UNIFIED_HYPERVISOR_OFFSET &&
|
|
priv->opened[i] &&
|
|
drivers[i]->domainSuspend &&
|
|
drivers[i]->domainSuspend (dom) == 0)
|
|
return 0;
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET] &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainSuspend &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainSuspend (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainResume (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
/* Try non-hypervisor methods first, then hypervisor direct method
|
|
* as a last resort.
|
|
*/
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (i != XEN_UNIFIED_HYPERVISOR_OFFSET &&
|
|
priv->opened[i] &&
|
|
drivers[i]->domainResume &&
|
|
drivers[i]->domainResume (dom) == 0)
|
|
return 0;
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET] &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainResume &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainResume (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainShutdown (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainShutdown &&
|
|
drivers[i]->domainShutdown (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainReboot (virDomainPtr dom, unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainReboot &&
|
|
drivers[i]->domainReboot (dom, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainDestroy (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
/* Try non-hypervisor methods first, then hypervisor direct method
|
|
* as a last resort.
|
|
*/
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (i != XEN_UNIFIED_HYPERVISOR_OFFSET &&
|
|
priv->opened[i] &&
|
|
drivers[i]->domainDestroy &&
|
|
drivers[i]->domainDestroy (dom) == 0)
|
|
return 0;
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET] &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainDestroy &&
|
|
drivers[XEN_UNIFIED_HYPERVISOR_OFFSET]->domainDestroy (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static char *
|
|
xenUnifiedDomainGetOSType (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
char *ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainGetOSType) {
|
|
ret = drivers[i]->domainGetOSType (dom);
|
|
if (ret) return ret;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static unsigned long
|
|
xenUnifiedDomainGetMaxMemory (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
unsigned long ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainGetMaxMemory) {
|
|
ret = drivers[i]->domainGetMaxMemory (dom);
|
|
if (ret != 0) return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetMaxMemory (virDomainPtr dom, unsigned long memory)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
/* Prefer xend for setting max memory */
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
if (xenDaemonDomainSetMaxMemory (dom, memory) == 0)
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (i != XEN_UNIFIED_XEND_OFFSET &&
|
|
priv->opened[i] &&
|
|
drivers[i]->domainSetMaxMemory &&
|
|
drivers[i]->domainSetMaxMemory (dom, memory) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetMemory (virDomainPtr dom, unsigned long memory)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainSetMemory &&
|
|
drivers[i]->domainSetMemory (dom, memory) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetInfo (virDomainPtr dom, virDomainInfoPtr info)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainGetInfo &&
|
|
drivers[i]->domainGetInfo (dom, info) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetState(virDomainPtr dom,
|
|
int *state,
|
|
int *reason,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int ret;
|
|
|
|
virCheckFlags(0, -1);
|
|
|
|
/* trying drivers in the same order as GetInfo for consistent results:
|
|
* hypervisor, xend, xs, and xm */
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorGetDomainState(dom, state, reason, flags);
|
|
if (ret >= 0)
|
|
return ret;
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonDomainGetState(dom, state, reason, flags);
|
|
if (ret >= 0)
|
|
return ret;
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_XS_OFFSET]) {
|
|
ret = xenStoreDomainGetState(dom, state, reason, flags);
|
|
if (ret >= 0)
|
|
return ret;
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
ret = xenXMDomainGetState(dom, state, reason, flags);
|
|
if (ret >= 0)
|
|
return ret;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSave (virDomainPtr dom, const char *to)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainSave &&
|
|
drivers[i]->domainSave (dom, to) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainRestore (virConnectPtr conn, const char *from)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainRestore &&
|
|
drivers[i]->domainRestore (conn, from) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainCoreDump (virDomainPtr dom, const char *to, int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainCoreDump &&
|
|
drivers[i]->domainCoreDump (dom, to, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetVcpusFlags (virDomainPtr dom, unsigned int nvcpus,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int ret;
|
|
|
|
virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
|
|
VIR_DOMAIN_VCPU_CONFIG |
|
|
VIR_DOMAIN_VCPU_MAXIMUM, -1);
|
|
|
|
/* At least one of LIVE or CONFIG must be set. MAXIMUM cannot be
|
|
* mixed with LIVE. */
|
|
if ((flags & (VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG)) == 0 ||
|
|
(flags & (VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) ==
|
|
(VIR_DOMAIN_VCPU_MAXIMUM | VIR_DOMAIN_VCPU_LIVE)) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("invalid flag combination: (0x%x)"), flags);
|
|
return -1;
|
|
}
|
|
if (!nvcpus || (unsigned short) nvcpus != nvcpus) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("argument out of range: %d"), nvcpus);
|
|
return -1;
|
|
}
|
|
|
|
/* Try non-hypervisor methods first, then hypervisor direct method
|
|
* as a last resort.
|
|
*/
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonDomainSetVcpusFlags(dom, nvcpus, flags);
|
|
if (ret != -2)
|
|
return ret;
|
|
}
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
ret = xenXMDomainSetVcpusFlags(dom, nvcpus, flags);
|
|
if (ret != -2)
|
|
return ret;
|
|
}
|
|
if (flags == VIR_DOMAIN_VCPU_LIVE)
|
|
return xenHypervisorSetVcpus(dom, nvcpus);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetVcpus (virDomainPtr dom, unsigned int nvcpus)
|
|
{
|
|
unsigned int flags = VIR_DOMAIN_VCPU_LIVE;
|
|
xenUnifiedPrivatePtr priv;
|
|
|
|
/* Per the documented API, it is hypervisor-dependent whether this
|
|
* affects just _LIVE or _LIVE|_CONFIG; in xen's case, that
|
|
* depends on xendConfigVersion. */
|
|
if (dom) {
|
|
priv = dom->conn->privateData;
|
|
if (priv->xendConfigVersion >= 3)
|
|
flags |= VIR_DOMAIN_VCPU_CONFIG;
|
|
}
|
|
return xenUnifiedDomainSetVcpusFlags(dom, nvcpus, flags);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainPinVcpu (virDomainPtr dom, unsigned int vcpu,
|
|
unsigned char *cpumap, int maplen)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] &&
|
|
drivers[i]->domainPinVcpu &&
|
|
drivers[i]->domainPinVcpu (dom, vcpu, cpumap, maplen) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetVcpus (virDomainPtr dom,
|
|
virVcpuInfoPtr info, int maxinfo,
|
|
unsigned char *cpumaps, int maplen)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i, ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainGetVcpus) {
|
|
ret = drivers[i]->domainGetVcpus (dom, info, maxinfo, cpumaps, maplen);
|
|
if (ret > 0)
|
|
return ret;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetVcpusFlags (virDomainPtr dom, unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int ret;
|
|
|
|
virCheckFlags(VIR_DOMAIN_VCPU_LIVE |
|
|
VIR_DOMAIN_VCPU_CONFIG |
|
|
VIR_DOMAIN_VCPU_MAXIMUM, -1);
|
|
|
|
/* Exactly one of LIVE or CONFIG must be set. */
|
|
if (!(flags & VIR_DOMAIN_VCPU_LIVE) == !(flags & VIR_DOMAIN_VCPU_CONFIG)) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("invalid flag combination: (0x%x)"), flags);
|
|
return -1;
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
ret = xenDaemonDomainGetVcpusFlags(dom, flags);
|
|
if (ret != -2)
|
|
return ret;
|
|
}
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
ret = xenXMDomainGetVcpusFlags(dom, flags);
|
|
if (ret != -2)
|
|
return ret;
|
|
}
|
|
if (flags == (VIR_DOMAIN_VCPU_CONFIG | VIR_DOMAIN_VCPU_MAXIMUM))
|
|
return xenHypervisorGetVcpuMax(dom);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetMaxVcpus (virDomainPtr dom)
|
|
{
|
|
return xenUnifiedDomainGetVcpusFlags(dom, (VIR_DOMAIN_VCPU_LIVE |
|
|
VIR_DOMAIN_VCPU_MAXIMUM));
|
|
}
|
|
|
|
static char *
|
|
xenUnifiedDomainGetXMLDesc(virDomainPtr dom, int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
|
|
if (dom->id == -1 && priv->xendConfigVersion < 3 ) {
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET])
|
|
return xenXMDomainGetXMLDesc(dom, flags);
|
|
} else {
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
char *cpus, *res;
|
|
xenUnifiedLock(priv);
|
|
cpus = xenDomainUsedCpus(dom);
|
|
xenUnifiedUnlock(priv);
|
|
res = xenDaemonDomainGetXMLDesc(dom, flags, cpus);
|
|
VIR_FREE(cpus);
|
|
return(res);
|
|
}
|
|
}
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static char *
|
|
xenUnifiedDomainXMLFromNative(virConnectPtr conn,
|
|
const char *format,
|
|
const char *config,
|
|
unsigned int flags ATTRIBUTE_UNUSED)
|
|
{
|
|
virDomainDefPtr def = NULL;
|
|
char *ret = NULL;
|
|
virConfPtr conf = NULL;
|
|
int id;
|
|
char * tty;
|
|
int vncport;
|
|
GET_PRIVATE(conn);
|
|
|
|
if (STRNEQ(format, XEN_CONFIG_FORMAT_XM) &&
|
|
STRNEQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("unsupported config type %s"), format);
|
|
return NULL;
|
|
}
|
|
|
|
if (STREQ(format, XEN_CONFIG_FORMAT_XM)) {
|
|
conf = virConfReadMem(config, strlen(config), 0);
|
|
if (!conf)
|
|
goto cleanup;
|
|
|
|
def = xenParseXM(conf, priv->xendConfigVersion, priv->caps);
|
|
} else if (STREQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
|
|
id = xenGetDomIdFromSxprString(config, priv->xendConfigVersion);
|
|
xenUnifiedLock(priv);
|
|
tty = xenStoreDomainGetConsolePath(conn, id);
|
|
vncport = xenStoreDomainGetVNCPort(conn, id);
|
|
xenUnifiedUnlock(priv);
|
|
def = xenParseSxprString(config, priv->xendConfigVersion, tty,
|
|
vncport);
|
|
}
|
|
if (!def)
|
|
goto cleanup;
|
|
|
|
ret = virDomainDefFormat(def, 0);
|
|
|
|
cleanup:
|
|
virDomainDefFree(def);
|
|
if (conf)
|
|
virConfFree(conf);
|
|
return ret;
|
|
}
|
|
|
|
|
|
#define MAX_CONFIG_SIZE (1024 * 65)
|
|
static char *
|
|
xenUnifiedDomainXMLToNative(virConnectPtr conn,
|
|
const char *format,
|
|
const char *xmlData,
|
|
unsigned int flags ATTRIBUTE_UNUSED)
|
|
{
|
|
virDomainDefPtr def = NULL;
|
|
char *ret = NULL;
|
|
virConfPtr conf = NULL;
|
|
GET_PRIVATE(conn);
|
|
|
|
if (STRNEQ(format, XEN_CONFIG_FORMAT_XM) &&
|
|
STRNEQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("unsupported config type %s"), format);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!(def = virDomainDefParseString(priv->caps,
|
|
xmlData,
|
|
0)))
|
|
goto cleanup;
|
|
|
|
if (STREQ(format, XEN_CONFIG_FORMAT_XM)) {
|
|
int len = MAX_CONFIG_SIZE;
|
|
conf = xenFormatXM(conn, def, priv->xendConfigVersion);
|
|
if (!conf)
|
|
goto cleanup;
|
|
|
|
if (VIR_ALLOC_N(ret, len) < 0) {
|
|
virReportOOMError();
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virConfWriteMem(ret, &len, conf) < 0) {
|
|
VIR_FREE(ret);
|
|
goto cleanup;
|
|
}
|
|
} else if (STREQ(format, XEN_CONFIG_FORMAT_SEXPR)) {
|
|
ret = xenFormatSxpr(conn, def, priv->xendConfigVersion);
|
|
}
|
|
|
|
cleanup:
|
|
virDomainDefFree(def);
|
|
if (conf)
|
|
virConfFree(conf);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainMigratePrepare (virConnectPtr dconn,
|
|
char **cookie,
|
|
int *cookielen,
|
|
const char *uri_in,
|
|
char **uri_out,
|
|
unsigned long flags,
|
|
const char *dname,
|
|
unsigned long resource)
|
|
{
|
|
GET_PRIVATE(dconn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
|
|
return xenDaemonDomainMigratePrepare (dconn, cookie, cookielen,
|
|
uri_in, uri_out,
|
|
flags, dname, resource);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainMigratePerform (virDomainPtr dom,
|
|
const char *cookie,
|
|
int cookielen,
|
|
const char *uri,
|
|
unsigned long flags,
|
|
const char *dname,
|
|
unsigned long resource)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
|
|
return xenDaemonDomainMigratePerform (dom, cookie, cookielen, uri,
|
|
flags, dname, resource);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static virDomainPtr
|
|
xenUnifiedDomainMigrateFinish (virConnectPtr dconn,
|
|
const char *dname,
|
|
const char *cookie ATTRIBUTE_UNUSED,
|
|
int cookielen ATTRIBUTE_UNUSED,
|
|
const char *uri ATTRIBUTE_UNUSED,
|
|
unsigned long flags)
|
|
{
|
|
virDomainPtr dom = NULL;
|
|
char *domain_xml = NULL;
|
|
virDomainPtr dom_new = NULL;
|
|
|
|
dom = xenUnifiedDomainLookupByName (dconn, dname);
|
|
if (! dom) {
|
|
return NULL;
|
|
}
|
|
|
|
if (flags & VIR_MIGRATE_PERSIST_DEST) {
|
|
domain_xml = xenDaemonDomainGetXMLDesc(dom, 0, NULL);
|
|
if (! domain_xml) {
|
|
xenUnifiedError(VIR_ERR_MIGRATE_PERSIST_FAILED,
|
|
"%s", _("failed to get XML representation of migrated domain"));
|
|
goto failure;
|
|
}
|
|
|
|
dom_new = xenDaemonDomainDefineXML (dconn, domain_xml);
|
|
if (! dom_new) {
|
|
xenUnifiedError(VIR_ERR_MIGRATE_PERSIST_FAILED,
|
|
"%s", _("failed to define domain on destination host"));
|
|
goto failure;
|
|
}
|
|
|
|
/* Free additional reference added by Define */
|
|
virDomainFree (dom_new);
|
|
}
|
|
|
|
VIR_FREE (domain_xml);
|
|
|
|
return dom;
|
|
|
|
|
|
failure:
|
|
virDomainFree (dom);
|
|
|
|
VIR_FREE (domain_xml);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedListDefinedDomains (virConnectPtr conn, char **const names,
|
|
int maxnames)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->listDefinedDomains) {
|
|
ret = drivers[i]->listDefinedDomains (conn, names, maxnames);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNumOfDefinedDomains (virConnectPtr conn)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
int ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->numOfDefinedDomains) {
|
|
ret = drivers[i]->numOfDefinedDomains (conn);
|
|
if (ret >= 0) return ret;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainCreateWithFlags (virDomainPtr dom, unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
virCheckFlags(0, -1);
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainCreate &&
|
|
drivers[i]->domainCreate (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainCreate (virDomainPtr dom)
|
|
{
|
|
return xenUnifiedDomainCreateWithFlags(dom, 0);
|
|
}
|
|
|
|
static virDomainPtr
|
|
xenUnifiedDomainDefineXML (virConnectPtr conn, const char *xml)
|
|
{
|
|
GET_PRIVATE(conn);
|
|
int i;
|
|
virDomainPtr ret;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainDefineXML) {
|
|
ret = drivers[i]->domainDefineXML (conn, xml);
|
|
if (ret) return ret;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainUndefine (virDomainPtr dom)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainUndefine &&
|
|
drivers[i]->domainUndefine (dom) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainAttachDevice (virDomainPtr dom, const char *xml)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
unsigned int flags = VIR_DOMAIN_DEVICE_MODIFY_LIVE;
|
|
|
|
/*
|
|
* HACK: xend with xendConfigVersion >= 3 does not support changing live
|
|
* config without touching persistent config, we add the extra flag here
|
|
* to make this API work
|
|
*/
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET] &&
|
|
priv->xendConfigVersion >= 3)
|
|
flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainAttachDeviceFlags &&
|
|
drivers[i]->domainAttachDeviceFlags(dom, xml, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainAttachDeviceFlags (virDomainPtr dom, const char *xml,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainAttachDeviceFlags &&
|
|
drivers[i]->domainAttachDeviceFlags(dom, xml, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainDetachDevice (virDomainPtr dom, const char *xml)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
unsigned int flags = VIR_DOMAIN_DEVICE_MODIFY_LIVE;
|
|
|
|
/*
|
|
* HACK: xend with xendConfigVersion >= 3 does not support changing live
|
|
* config without touching persistent config, we add the extra flag here
|
|
* to make this API work
|
|
*/
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET] &&
|
|
priv->xendConfigVersion >= 3)
|
|
flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainDetachDeviceFlags &&
|
|
drivers[i]->domainDetachDeviceFlags(dom, xml, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainDetachDeviceFlags (virDomainPtr dom, const char *xml,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainDetachDeviceFlags &&
|
|
drivers[i]->domainDetachDeviceFlags(dom, xml, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainUpdateDeviceFlags (virDomainPtr dom, const char *xml,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i)
|
|
if (priv->opened[i] && drivers[i]->domainUpdateDeviceFlags &&
|
|
drivers[i]->domainUpdateDeviceFlags(dom, xml, flags) == 0)
|
|
return 0;
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetAutostart (virDomainPtr dom, int *autostart)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
|
|
if (priv->xendConfigVersion < 3) {
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET])
|
|
return xenXMDomainGetAutostart(dom, autostart);
|
|
} else {
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
|
|
return xenDaemonDomainGetAutostart(dom, autostart);
|
|
}
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetAutostart (virDomainPtr dom, int autostart)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
|
|
if (priv->xendConfigVersion < 3) {
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET])
|
|
return xenXMDomainSetAutostart(dom, autostart);
|
|
} else {
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET])
|
|
return xenDaemonDomainSetAutostart(dom, autostart);
|
|
}
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static char *
|
|
xenUnifiedDomainGetSchedulerType (virDomainPtr dom, int *nparams)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i;
|
|
char *schedulertype;
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; i++) {
|
|
if (priv->opened[i] && drivers[i]->domainGetSchedulerType) {
|
|
schedulertype = drivers[i]->domainGetSchedulerType (dom, nparams);
|
|
if (schedulertype != NULL)
|
|
return(schedulertype);
|
|
}
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetSchedulerParametersFlags(virDomainPtr dom,
|
|
virTypedParameterPtr params,
|
|
int *nparams,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i, ret;
|
|
|
|
virCheckFlags(0, -1);
|
|
|
|
for (i = 0; i < XEN_UNIFIED_NR_DRIVERS; ++i) {
|
|
if (priv->opened[i] && drivers[i]->domainGetSchedulerParameters) {
|
|
ret = drivers[i]->domainGetSchedulerParameters(dom, params, nparams);
|
|
if (ret == 0)
|
|
return(0);
|
|
}
|
|
}
|
|
return(-1);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainGetSchedulerParameters(virDomainPtr dom,
|
|
virTypedParameterPtr params,
|
|
int *nparams)
|
|
{
|
|
return xenUnifiedDomainGetSchedulerParametersFlags(dom, params,
|
|
nparams, 0);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetSchedulerParametersFlags(virDomainPtr dom,
|
|
virTypedParameterPtr params,
|
|
int nparams,
|
|
unsigned int flags)
|
|
{
|
|
GET_PRIVATE(dom->conn);
|
|
int i, ret;
|
|
|
|
virCheckFlags(0, -1);
|
|
|
|
/* do the hypervisor call last to get better error */
|
|
for (i = XEN_UNIFIED_NR_DRIVERS - 1; i >= 0; i--) {
|
|
if (priv->opened[i] && drivers[i]->domainSetSchedulerParameters) {
|
|
ret = drivers[i]->domainSetSchedulerParameters(dom, params, nparams);
|
|
if (ret == 0)
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return(-1);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainSetSchedulerParameters(virDomainPtr dom,
|
|
virTypedParameterPtr params,
|
|
int nparams)
|
|
{
|
|
return xenUnifiedDomainSetSchedulerParametersFlags(dom, params,
|
|
nparams, 0);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainBlockStats (virDomainPtr dom, const char *path,
|
|
struct _virDomainBlockStats *stats)
|
|
{
|
|
GET_PRIVATE (dom->conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET])
|
|
return xenHypervisorDomainBlockStats (dom, path, stats);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainInterfaceStats (virDomainPtr dom, const char *path,
|
|
struct _virDomainInterfaceStats *stats)
|
|
{
|
|
GET_PRIVATE (dom->conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET])
|
|
return xenHypervisorDomainInterfaceStats (dom, path, stats);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainBlockPeek (virDomainPtr dom, const char *path,
|
|
unsigned long long offset, size_t size,
|
|
void *buffer, unsigned int flags ATTRIBUTE_UNUSED)
|
|
{
|
|
int r;
|
|
GET_PRIVATE (dom->conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
|
|
r = xenDaemonDomainBlockPeek (dom, path, offset, size, buffer);
|
|
if (r != -2) return r;
|
|
/* r == -2 means declined, so fall through to XM driver ... */
|
|
}
|
|
|
|
if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
|
|
if (xenXMDomainBlockPeek (dom, path, offset, size, buffer) == 0)
|
|
return 0;
|
|
}
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeGetCellsFreeMemory (virConnectPtr conn, unsigned long long *freeMems,
|
|
int startCell, int maxCells)
|
|
{
|
|
GET_PRIVATE (conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET])
|
|
return xenHypervisorNodeGetCellsFreeMemory (conn, freeMems,
|
|
startCell, maxCells);
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return -1;
|
|
}
|
|
|
|
static unsigned long long
|
|
xenUnifiedNodeGetFreeMemory (virConnectPtr conn)
|
|
{
|
|
unsigned long long freeMem = 0;
|
|
int ret;
|
|
GET_PRIVATE (conn);
|
|
|
|
if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
|
|
ret = xenHypervisorNodeGetCellsFreeMemory (conn, &freeMem,
|
|
-1, 1);
|
|
if (ret != 1)
|
|
return (0);
|
|
return(freeMem);
|
|
}
|
|
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
return(0);
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainEventRegister(virConnectPtr conn,
|
|
virConnectDomainEventCallback callback,
|
|
void *opaque,
|
|
virFreeCallback freefunc)
|
|
{
|
|
GET_PRIVATE (conn);
|
|
|
|
int ret;
|
|
xenUnifiedLock(priv);
|
|
|
|
if (priv->xsWatch == -1) {
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
xenUnifiedUnlock(priv);
|
|
return -1;
|
|
}
|
|
|
|
ret = virDomainEventCallbackListAdd(conn, priv->domainEventCallbacks,
|
|
callback, opaque, freefunc);
|
|
|
|
xenUnifiedUnlock(priv);
|
|
return (ret);
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainEventDeregister(virConnectPtr conn,
|
|
virConnectDomainEventCallback callback)
|
|
{
|
|
int ret;
|
|
GET_PRIVATE (conn);
|
|
xenUnifiedLock(priv);
|
|
|
|
if (priv->xsWatch == -1) {
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
xenUnifiedUnlock(priv);
|
|
return -1;
|
|
}
|
|
|
|
if (priv->domainEventDispatching)
|
|
ret = virDomainEventCallbackListMarkDelete(conn, priv->domainEventCallbacks,
|
|
callback);
|
|
else
|
|
ret = virDomainEventCallbackListRemove(conn, priv->domainEventCallbacks,
|
|
callback);
|
|
|
|
xenUnifiedUnlock(priv);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainEventRegisterAny(virConnectPtr conn,
|
|
virDomainPtr dom,
|
|
int eventID,
|
|
virConnectDomainEventGenericCallback callback,
|
|
void *opaque,
|
|
virFreeCallback freefunc)
|
|
{
|
|
GET_PRIVATE (conn);
|
|
|
|
int ret;
|
|
xenUnifiedLock(priv);
|
|
|
|
if (priv->xsWatch == -1) {
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
xenUnifiedUnlock(priv);
|
|
return -1;
|
|
}
|
|
|
|
ret = virDomainEventCallbackListAddID(conn, priv->domainEventCallbacks,
|
|
dom, eventID,
|
|
callback, opaque, freefunc);
|
|
|
|
xenUnifiedUnlock(priv);
|
|
return (ret);
|
|
}
|
|
|
|
static int
|
|
xenUnifiedDomainEventDeregisterAny(virConnectPtr conn,
|
|
int callbackID)
|
|
{
|
|
int ret;
|
|
GET_PRIVATE (conn);
|
|
xenUnifiedLock(priv);
|
|
|
|
if (priv->xsWatch == -1) {
|
|
xenUnifiedError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
|
|
xenUnifiedUnlock(priv);
|
|
return -1;
|
|
}
|
|
|
|
if (priv->domainEventDispatching)
|
|
ret = virDomainEventCallbackListMarkDeleteID(conn, priv->domainEventCallbacks,
|
|
callbackID);
|
|
else
|
|
ret = virDomainEventCallbackListRemoveID(conn, priv->domainEventCallbacks,
|
|
callbackID);
|
|
|
|
xenUnifiedUnlock(priv);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedNodeDeviceGetPciInfo (virNodeDevicePtr dev,
|
|
unsigned *domain,
|
|
unsigned *bus,
|
|
unsigned *slot,
|
|
unsigned *function)
|
|
{
|
|
virNodeDeviceDefPtr def = NULL;
|
|
virNodeDevCapsDefPtr cap;
|
|
char *xml = NULL;
|
|
int ret = -1;
|
|
|
|
xml = virNodeDeviceGetXMLDesc(dev, 0);
|
|
if (!xml)
|
|
goto out;
|
|
|
|
def = virNodeDeviceDefParseString(xml, EXISTING_DEVICE);
|
|
if (!def)
|
|
goto out;
|
|
|
|
cap = def->caps;
|
|
while (cap) {
|
|
if (cap->type == VIR_NODE_DEV_CAP_PCI_DEV) {
|
|
*domain = cap->data.pci_dev.domain;
|
|
*bus = cap->data.pci_dev.bus;
|
|
*slot = cap->data.pci_dev.slot;
|
|
*function = cap->data.pci_dev.function;
|
|
break;
|
|
}
|
|
|
|
cap = cap->next;
|
|
}
|
|
|
|
if (!cap) {
|
|
xenUnifiedError(VIR_ERR_INVALID_ARG,
|
|
_("device %s is not a PCI device"), dev->name);
|
|
goto out;
|
|
}
|
|
|
|
ret = 0;
|
|
out:
|
|
virNodeDeviceDefFree(def);
|
|
VIR_FREE(xml);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeDeviceDettach (virNodeDevicePtr dev)
|
|
{
|
|
pciDevice *pci;
|
|
unsigned domain, bus, slot, function;
|
|
int ret = -1;
|
|
|
|
if (xenUnifiedNodeDeviceGetPciInfo(dev, &domain, &bus, &slot, &function) < 0)
|
|
return -1;
|
|
|
|
pci = pciGetDevice(domain, bus, slot, function);
|
|
if (!pci)
|
|
return -1;
|
|
|
|
if (pciDettachDevice(pci, NULL) < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
out:
|
|
pciFreeDevice(pci);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeDeviceAssignedDomainId (virNodeDevicePtr dev)
|
|
{
|
|
int numdomains;
|
|
int ret = -1, i;
|
|
int *ids = NULL;
|
|
char *bdf = NULL;
|
|
char *xref = NULL;
|
|
unsigned int domain, bus, slot, function;
|
|
virConnectPtr conn = dev->conn;
|
|
xenUnifiedPrivatePtr priv = conn->privateData;
|
|
|
|
/* Get active domains */
|
|
numdomains = xenUnifiedNumOfDomains(conn);
|
|
if (numdomains < 0) {
|
|
return ret;
|
|
}
|
|
if (numdomains > 0){
|
|
if (VIR_ALLOC_N(ids, numdomains) < 0) {
|
|
virReportOOMError();
|
|
goto out;
|
|
}
|
|
if ((numdomains = xenUnifiedListDomains(conn, &ids[0], numdomains)) < 0) {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* Get pci bdf */
|
|
if (xenUnifiedNodeDeviceGetPciInfo(dev, &domain, &bus, &slot, &function) < 0)
|
|
goto out;
|
|
|
|
if (virAsprintf(&bdf, "%04x:%02x:%02x.%0x",
|
|
domain, bus, slot, function) < 0) {
|
|
virReportOOMError();
|
|
goto out;
|
|
}
|
|
|
|
xenUnifiedLock(priv);
|
|
/* Check if bdf is assigned to one of active domains */
|
|
for (i = 0; i < numdomains; i++ ) {
|
|
xref = xenStoreDomainGetPCIID(conn, ids[i], bdf);
|
|
if (xref == NULL) {
|
|
continue;
|
|
} else {
|
|
ret = ids[i];
|
|
break;
|
|
}
|
|
}
|
|
xenUnifiedUnlock(priv);
|
|
|
|
VIR_FREE(xref);
|
|
VIR_FREE(bdf);
|
|
out:
|
|
VIR_FREE(ids);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeDeviceReAttach (virNodeDevicePtr dev)
|
|
{
|
|
pciDevice *pci;
|
|
unsigned domain, bus, slot, function;
|
|
int ret = -1;
|
|
int domid;
|
|
|
|
if (xenUnifiedNodeDeviceGetPciInfo(dev, &domain, &bus, &slot, &function) < 0)
|
|
return -1;
|
|
|
|
pci = pciGetDevice(domain, bus, slot, function);
|
|
if (!pci)
|
|
return -1;
|
|
|
|
/* Check if device is assigned to an active guest */
|
|
if ((domid = xenUnifiedNodeDeviceAssignedDomainId(dev)) >= 0) {
|
|
xenUnifiedError(VIR_ERR_INTERNAL_ERROR,
|
|
_("Device %s has been assigned to guest %d"),
|
|
dev->name, domid);
|
|
goto out;
|
|
}
|
|
|
|
if (pciReAttachDevice(pci, NULL) < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
out:
|
|
pciFreeDevice(pci);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
xenUnifiedNodeDeviceReset (virNodeDevicePtr dev)
|
|
{
|
|
pciDevice *pci;
|
|
unsigned domain, bus, slot, function;
|
|
int ret = -1;
|
|
|
|
if (xenUnifiedNodeDeviceGetPciInfo(dev, &domain, &bus, &slot, &function) < 0)
|
|
return -1;
|
|
|
|
pci = pciGetDevice(domain, bus, slot, function);
|
|
if (!pci)
|
|
return -1;
|
|
|
|
if (pciResetDevice(pci, NULL, NULL) < 0)
|
|
goto out;
|
|
|
|
ret = 0;
|
|
out:
|
|
pciFreeDevice(pci);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
xenUnifiedDomainOpenConsole(virDomainPtr dom,
|
|
const char *devname,
|
|
virStreamPtr st,
|
|
unsigned int flags)
|
|
{
|
|
virDomainDefPtr def = NULL;
|
|
int ret = -1;
|
|
virDomainChrDefPtr chr = NULL;
|
|
|
|
virCheckFlags(0, -1);
|
|
|
|
if (dom->id == -1) {
|
|
xenUnifiedError(VIR_ERR_OPERATION_INVALID,
|
|
"%s", _("domain is not running"));
|
|
goto cleanup;
|
|
}
|
|
|
|
if (devname) {
|
|
/* XXX support device aliases in future */
|
|
xenUnifiedError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
|
|
_("Named device aliases are not supported"));
|
|
goto cleanup;
|
|
}
|
|
|
|
def = xenDaemonDomainFetch(dom->conn, dom->id, dom->name, NULL);
|
|
if (!def)
|
|
goto cleanup;
|
|
|
|
if (def->console)
|
|
chr = def->console;
|
|
else if (def->nserials)
|
|
chr = def->serials[0];
|
|
|
|
if (!chr) {
|
|
xenUnifiedError(VIR_ERR_INTERNAL_ERROR, "%s",
|
|
_("cannot find default console device"));
|
|
goto cleanup;
|
|
}
|
|
|
|
if (chr->source.type != VIR_DOMAIN_CHR_TYPE_PTY) {
|
|
xenUnifiedError(VIR_ERR_INTERNAL_ERROR,
|
|
_("character device %s is not using a PTY"), devname);
|
|
goto cleanup;
|
|
}
|
|
|
|
if (virFDStreamOpenFile(st, chr->source.data.file.path,
|
|
0, 0, O_RDWR, false) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
virDomainDefFree(def);
|
|
return ret;
|
|
}
|
|
/*----- Register with libvirt.c, and initialize Xen drivers. -----*/
|
|
|
|
/* The interface which we export upwards to libvirt.c. */
|
|
static virDriver xenUnifiedDriver = {
|
|
.no = VIR_DRV_XEN_UNIFIED,
|
|
.name = "Xen",
|
|
.open = xenUnifiedOpen, /* 0.0.3 */
|
|
.close = xenUnifiedClose, /* 0.0.3 */
|
|
.supports_feature = xenUnifiedSupportsFeature, /* 0.3.2 */
|
|
.type = xenUnifiedType, /* 0.0.3 */
|
|
.version = xenUnifiedGetVersion, /* 0.0.3 */
|
|
.getHostname = virGetHostname, /* 0.7.3 */
|
|
.getMaxVcpus = xenUnifiedGetMaxVcpus, /* 0.2.1 */
|
|
.nodeGetInfo = xenUnifiedNodeGetInfo, /* 0.1.0 */
|
|
.getCapabilities = xenUnifiedGetCapabilities, /* 0.2.1 */
|
|
.listDomains = xenUnifiedListDomains, /* 0.0.3 */
|
|
.numOfDomains = xenUnifiedNumOfDomains, /* 0.0.3 */
|
|
.domainCreateXML = xenUnifiedDomainCreateXML, /* 0.0.3 */
|
|
.domainLookupByID = xenUnifiedDomainLookupByID, /* 0.0.3 */
|
|
.domainLookupByUUID = xenUnifiedDomainLookupByUUID, /* 0.0.5 */
|
|
.domainLookupByName = xenUnifiedDomainLookupByName, /* 0.0.3 */
|
|
.domainSuspend = xenUnifiedDomainSuspend, /* 0.0.3 */
|
|
.domainResume = xenUnifiedDomainResume, /* 0.0.3 */
|
|
.domainShutdown = xenUnifiedDomainShutdown, /* 0.0.3 */
|
|
.domainReboot = xenUnifiedDomainReboot, /* 0.1.0 */
|
|
.domainDestroy = xenUnifiedDomainDestroy, /* 0.0.3 */
|
|
.domainGetOSType = xenUnifiedDomainGetOSType, /* 0.0.3 */
|
|
.domainGetMaxMemory = xenUnifiedDomainGetMaxMemory, /* 0.0.3 */
|
|
.domainSetMaxMemory = xenUnifiedDomainSetMaxMemory, /* 0.0.3 */
|
|
.domainSetMemory = xenUnifiedDomainSetMemory, /* 0.1.1 */
|
|
.domainGetInfo = xenUnifiedDomainGetInfo, /* 0.0.3 */
|
|
.domainGetState = xenUnifiedDomainGetState, /* 0.9.2 */
|
|
.domainSave = xenUnifiedDomainSave, /* 0.0.3 */
|
|
.domainRestore = xenUnifiedDomainRestore, /* 0.0.3 */
|
|
.domainCoreDump = xenUnifiedDomainCoreDump, /* 0.1.9 */
|
|
.domainSetVcpus = xenUnifiedDomainSetVcpus, /* 0.1.4 */
|
|
.domainSetVcpusFlags = xenUnifiedDomainSetVcpusFlags, /* 0.8.5 */
|
|
.domainGetVcpusFlags = xenUnifiedDomainGetVcpusFlags, /* 0.8.5 */
|
|
.domainPinVcpu = xenUnifiedDomainPinVcpu, /* 0.1.4 */
|
|
.domainGetVcpus = xenUnifiedDomainGetVcpus, /* 0.1.4 */
|
|
.domainGetMaxVcpus = xenUnifiedDomainGetMaxVcpus, /* 0.2.1 */
|
|
.domainGetXMLDesc = xenUnifiedDomainGetXMLDesc, /* 0.0.3 */
|
|
.domainXMLFromNative = xenUnifiedDomainXMLFromNative, /* 0.6.4 */
|
|
.domainXMLToNative = xenUnifiedDomainXMLToNative, /* 0.6.4 */
|
|
.listDefinedDomains = xenUnifiedListDefinedDomains, /* 0.1.1 */
|
|
.numOfDefinedDomains = xenUnifiedNumOfDefinedDomains, /* 0.1.5 */
|
|
.domainCreate = xenUnifiedDomainCreate, /* 0.1.1 */
|
|
.domainCreateWithFlags = xenUnifiedDomainCreateWithFlags, /* 0.8.2 */
|
|
.domainDefineXML = xenUnifiedDomainDefineXML, /* 0.1.1 */
|
|
.domainUndefine = xenUnifiedDomainUndefine, /* 0.1.1 */
|
|
.domainAttachDevice = xenUnifiedDomainAttachDevice, /* 0.1.9 */
|
|
.domainAttachDeviceFlags = xenUnifiedDomainAttachDeviceFlags, /* 0.7.7 */
|
|
.domainDetachDevice = xenUnifiedDomainDetachDevice, /* 0.1.9 */
|
|
.domainDetachDeviceFlags = xenUnifiedDomainDetachDeviceFlags, /* 0.7.7 */
|
|
.domainUpdateDeviceFlags = xenUnifiedDomainUpdateDeviceFlags, /* 0.8.0 */
|
|
.domainGetAutostart = xenUnifiedDomainGetAutostart, /* 0.4.4 */
|
|
.domainSetAutostart = xenUnifiedDomainSetAutostart, /* 0.4.4 */
|
|
.domainGetSchedulerType = xenUnifiedDomainGetSchedulerType, /* 0.2.3 */
|
|
.domainGetSchedulerParameters = xenUnifiedDomainGetSchedulerParameters, /* 0.2.3 */
|
|
.domainGetSchedulerParametersFlags = xenUnifiedDomainGetSchedulerParametersFlags, /* 0.9.2 */
|
|
.domainSetSchedulerParameters = xenUnifiedDomainSetSchedulerParameters, /* 0.2.3 */
|
|
.domainSetSchedulerParametersFlags = xenUnifiedDomainSetSchedulerParametersFlags, /* 0.9.2 */
|
|
.domainMigratePrepare = xenUnifiedDomainMigratePrepare, /* 0.3.2 */
|
|
.domainMigratePerform = xenUnifiedDomainMigratePerform, /* 0.3.2 */
|
|
.domainMigrateFinish = xenUnifiedDomainMigrateFinish, /* 0.3.2 */
|
|
.domainBlockStats = xenUnifiedDomainBlockStats, /* 0.3.2 */
|
|
.domainInterfaceStats = xenUnifiedDomainInterfaceStats, /* 0.3.2 */
|
|
.domainBlockPeek = xenUnifiedDomainBlockPeek, /* 0.4.4 */
|
|
.nodeGetCellsFreeMemory = xenUnifiedNodeGetCellsFreeMemory, /* 0.3.3 */
|
|
.nodeGetFreeMemory = xenUnifiedNodeGetFreeMemory, /* 0.3.3 */
|
|
.domainEventRegister = xenUnifiedDomainEventRegister, /* 0.5.0 */
|
|
.domainEventDeregister = xenUnifiedDomainEventDeregister, /* 0.5.0 */
|
|
.nodeDeviceDettach = xenUnifiedNodeDeviceDettach, /* 0.6.1 */
|
|
.nodeDeviceReAttach = xenUnifiedNodeDeviceReAttach, /* 0.6.1 */
|
|
.nodeDeviceReset = xenUnifiedNodeDeviceReset, /* 0.6.1 */
|
|
.isEncrypted = xenUnifiedIsEncrypted, /* 0.7.3 */
|
|
.isSecure = xenUnifiedIsSecure, /* 0.7.3 */
|
|
.domainIsActive = xenUnifiedDomainIsActive, /* 0.7.3 */
|
|
.domainIsPersistent = xenUnifiedDomainIsPersistent, /* 0.7.3 */
|
|
.domainIsUpdated = xenUnifiedDomainIsUpdated, /* 0.8.6 */
|
|
.domainEventRegisterAny = xenUnifiedDomainEventRegisterAny, /* 0.8.0 */
|
|
.domainEventDeregisterAny = xenUnifiedDomainEventDeregisterAny, /* 0.8.0 */
|
|
.domainOpenConsole = xenUnifiedDomainOpenConsole, /* 0.8.6 */
|
|
};
|
|
|
|
/**
|
|
* xenRegister:
|
|
*
|
|
* Register xen related drivers
|
|
*
|
|
* Returns the driver priority or -1 in case of error.
|
|
*/
|
|
int
|
|
xenRegister (void)
|
|
{
|
|
/* Ignore failures here. */
|
|
(void) xenHypervisorInit ();
|
|
|
|
#ifdef WITH_LIBVIRTD
|
|
if (virRegisterStateDriver (&state_driver) == -1) return -1;
|
|
#endif
|
|
|
|
return virRegisterDriver (&xenUnifiedDriver);
|
|
}
|
|
|
|
/**
|
|
* xenUnifiedDomainInfoListFree:
|
|
*
|
|
* Free the Domain Info List
|
|
*/
|
|
void
|
|
xenUnifiedDomainInfoListFree(xenUnifiedDomainInfoListPtr list)
|
|
{
|
|
int i;
|
|
|
|
if (list == NULL)
|
|
return;
|
|
|
|
for (i=0; i<list->count; i++) {
|
|
VIR_FREE(list->doms[i]->name);
|
|
VIR_FREE(list->doms[i]);
|
|
}
|
|
VIR_FREE(list->doms);
|
|
VIR_FREE(list);
|
|
}
|
|
|
|
/**
|
|
* xenUnifiedAddDomainInfo:
|
|
*
|
|
* Add name and uuid to the domain info list
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int
|
|
xenUnifiedAddDomainInfo(xenUnifiedDomainInfoListPtr list,
|
|
int id, char *name,
|
|
unsigned char *uuid)
|
|
{
|
|
xenUnifiedDomainInfoPtr info;
|
|
int n;
|
|
|
|
/* check if we already have this callback on our list */
|
|
for (n=0; n < list->count; n++) {
|
|
if (STREQ(list->doms[n]->name, name) &&
|
|
!memcmp(list->doms[n]->uuid, uuid, VIR_UUID_BUFLEN)) {
|
|
VIR_DEBUG("WARNING: dom already tracked");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (VIR_ALLOC(info) < 0)
|
|
goto memory_error;
|
|
if (!(info->name = strdup(name)))
|
|
goto memory_error;
|
|
|
|
memcpy(info->uuid, uuid, VIR_UUID_BUFLEN);
|
|
info->id = id;
|
|
|
|
/* Make space on list */
|
|
n = list->count;
|
|
if (VIR_REALLOC_N(list->doms, n + 1) < 0) {
|
|
goto memory_error;
|
|
}
|
|
|
|
list->doms[n] = info;
|
|
list->count++;
|
|
return 0;
|
|
memory_error:
|
|
virReportOOMError();
|
|
if (info)
|
|
VIR_FREE(info->name);
|
|
VIR_FREE(info);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* xenUnifiedRemoveDomainInfo:
|
|
*
|
|
* Removes name and uuid to the domain info list
|
|
*
|
|
* Returns: 0 on success, -1 on failure
|
|
*/
|
|
int
|
|
xenUnifiedRemoveDomainInfo(xenUnifiedDomainInfoListPtr list,
|
|
int id, char *name,
|
|
unsigned char *uuid)
|
|
{
|
|
int i;
|
|
for (i = 0 ; i < list->count ; i++) {
|
|
if( list->doms[i]->id == id &&
|
|
STREQ(list->doms[i]->name, name) &&
|
|
!memcmp(list->doms[i]->uuid, uuid, VIR_UUID_BUFLEN)) {
|
|
|
|
VIR_FREE(list->doms[i]->name);
|
|
VIR_FREE(list->doms[i]);
|
|
|
|
if (i < (list->count - 1))
|
|
memmove(list->doms + i,
|
|
list->doms + i + 1,
|
|
sizeof(*(list->doms)) *
|
|
(list->count - (i + 1)));
|
|
|
|
if (VIR_REALLOC_N(list->doms,
|
|
list->count - 1) < 0) {
|
|
; /* Failure to reduce memory allocation isn't fatal */
|
|
}
|
|
list->count--;
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
xenUnifiedDomainEventDispatchFunc(virConnectPtr conn,
|
|
virDomainEventPtr event,
|
|
virConnectDomainEventGenericCallback cb,
|
|
void *cbopaque,
|
|
void *opaque)
|
|
{
|
|
xenUnifiedPrivatePtr priv = opaque;
|
|
|
|
/*
|
|
* Release the lock while the callback is running so that
|
|
* we're re-entrant safe for callback work - the callback
|
|
* may want to invoke other virt functions & we have already
|
|
* protected the one piece of state we have - the callback
|
|
* list
|
|
*/
|
|
xenUnifiedUnlock(priv);
|
|
virDomainEventDispatchDefaultFunc(conn, event, cb, cbopaque, NULL);
|
|
xenUnifiedLock(priv);
|
|
}
|
|
|
|
/**
|
|
* xenUnifiedDomainEventDispatch:
|
|
* @priv: the connection to dispatch events on
|
|
* @event: the event to dispatch
|
|
*
|
|
* Dispatch domain events to registered callbacks
|
|
*
|
|
* The caller must hold the lock in 'priv' before invoking
|
|
*
|
|
*/
|
|
void xenUnifiedDomainEventDispatch (xenUnifiedPrivatePtr priv,
|
|
virDomainEventPtr event)
|
|
{
|
|
if (!priv)
|
|
return;
|
|
|
|
priv->domainEventDispatching = 1;
|
|
|
|
if (priv->domainEventCallbacks) {
|
|
virDomainEventDispatch(event,
|
|
priv->domainEventCallbacks,
|
|
xenUnifiedDomainEventDispatchFunc,
|
|
priv);
|
|
|
|
/* Purge any deleted callbacks */
|
|
virDomainEventCallbackListPurgeMarked(priv->domainEventCallbacks);
|
|
}
|
|
|
|
virDomainEventFree(event);
|
|
|
|
priv->domainEventDispatching = 0;
|
|
}
|
|
|
|
void xenUnifiedLock(xenUnifiedPrivatePtr priv)
|
|
{
|
|
virMutexLock(&priv->lock);
|
|
}
|
|
|
|
void xenUnifiedUnlock(xenUnifiedPrivatePtr priv)
|
|
{
|
|
virMutexUnlock(&priv->lock);
|
|
}
|