mirror of https://gitee.com/openkylin/libvirt.git
hypervisor: Remove redundant validity checks, clean up function headers
Arguments for driver entry points are checked in libvirt.c, so no need to check again. Make function entry points consistent. Don't type caste the privateData.
This commit is contained in:
John Ferlan
parent
f9799f1abf
commit
cbdf3b7c97
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@ -1,7 +1,7 @@
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/*
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* xen_internal.c: direct access to Xen hypervisor level
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*
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* Copyright (C) 2005-2012 Red Hat, Inc.
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* Copyright (C) 2005-2013 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -1067,7 +1067,9 @@ xenHypervisorDoV2Dom(int handle, xen_op_v2_dom* op)
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* Returns the number of domains or -1 in case of failure
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*/
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static int
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virXen_getdomaininfolist(int handle, int first_domain, int maxids,
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virXen_getdomaininfolist(int handle,
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int first_domain,
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int maxids,
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xen_getdomaininfolist *dominfos)
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{
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int ret = -1;
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@ -1134,8 +1136,8 @@ virXen_getdomaininfolist(int handle, int first_domain, int maxids,
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}
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static int
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virXen_getdomaininfo(int handle, int first_domain,
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xen_getdomaininfo *dominfo) {
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virXen_getdomaininfo(int handle, int first_domain, xen_getdomaininfo *dominfo)
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{
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xen_getdomaininfolist dominfos;
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if (hv_versions.hypervisor < 2) {
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@ -1161,15 +1163,8 @@ char *
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xenHypervisorGetSchedulerType(virDomainPtr domain, int *nparams)
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{
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char *schedulertype = NULL;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("domain or conn is NULL"));
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return NULL;
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}
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("priv->handle invalid"));
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@ -1240,17 +1235,11 @@ xenHypervisorGetSchedulerType(virDomainPtr domain, int *nparams)
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*/
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int
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xenHypervisorGetSchedulerParameters(virDomainPtr domain,
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virTypedParameterPtr params, int *nparams)
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virTypedParameterPtr params,
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int *nparams)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("domain or conn is NULL"));
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return -1;
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}
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("priv->handle invalid"));
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@ -1343,19 +1332,14 @@ xenHypervisorGetSchedulerParameters(virDomainPtr domain,
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*/
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int
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xenHypervisorSetSchedulerParameters(virDomainPtr domain,
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virTypedParameterPtr params, int nparams)
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virTypedParameterPtr params,
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int nparams)
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{
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int i;
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unsigned int val;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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char buf[256];
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if (domain->conn == NULL) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("domain or conn is NULL"));
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return -1;
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}
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if (nparams == 0) {
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/* nothing to do, exit early */
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return 0;
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@ -1369,7 +1353,6 @@ xenHypervisorSetSchedulerParameters(virDomainPtr domain,
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NULL) < 0)
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return -1;
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("priv->handle invalid"));
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@ -1467,10 +1450,9 @@ xenHypervisorDomainBlockStats(virDomainPtr dom,
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struct _virDomainBlockStats *stats)
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{
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#ifdef __linux__
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = dom->conn->privateData;
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int ret;
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priv = (xenUnifiedPrivatePtr) dom->conn->privateData;
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xenUnifiedLock(priv);
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/* Need to lock because it hits the xenstore handle :-( */
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ret = xenLinuxDomainBlockStats(priv, dom, path, stats);
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@ -1739,8 +1721,11 @@ virXen_setmaxvcpus(int handle, int id, unsigned int vcpus)
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* Returns 0 or -1 in case of failure
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*/
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static int
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virXen_setvcpumap(int handle, int id, unsigned int vcpu,
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unsigned char * cpumap, int maplen)
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virXen_setvcpumap(int handle,
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int id,
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unsigned int vcpu,
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unsigned char * cpumap,
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int maplen)
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{
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int ret = -1;
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unsigned char *new = NULL;
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@ -1838,8 +1823,12 @@ virXen_setvcpumap(int handle, int id, unsigned int vcpu,
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* Returns 0 or -1 in case of failure
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*/
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static int
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virXen_getvcpusinfo(int handle, int id, unsigned int vcpu, virVcpuInfoPtr ipt,
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unsigned char *cpumap, int maplen)
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virXen_getvcpusinfo(int handle,
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int id,
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unsigned int vcpu,
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virVcpuInfoPtr ipt,
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unsigned char *cpumap,
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int maplen)
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{
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int ret = -1;
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@ -2220,7 +2209,7 @@ xenHypervisorOpen(virConnectPtr conn,
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unsigned int flags)
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{
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int ret;
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xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) conn->privateData;
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xenUnifiedPrivatePtr priv = conn->privateData;
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virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
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@ -2252,12 +2241,7 @@ int
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xenHypervisorClose(virConnectPtr conn)
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{
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int ret;
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xenUnifiedPrivatePtr priv;
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (priv->handle < 0)
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return -1;
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@ -2282,12 +2266,9 @@ xenHypervisorClose(virConnectPtr conn)
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int
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xenHypervisorGetVersion(virConnectPtr conn, unsigned long *hvVer)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0 || hvVer == NULL)
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if (priv->handle < 0)
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return -1;
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*hvVer = (hv_versions.hv >> 16) * 1000000 + (hv_versions.hv & 0xFFFF) * 1000;
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return 0;
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@ -2312,12 +2293,12 @@ static int xenDefaultConsoleType(const char *ostype,
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}
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static virCapsPtr
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xenHypervisorBuildCapabilities(virConnectPtr conn,
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virArch hostarch,
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xenHypervisorBuildCapabilities(virConnectPtr conn, virArch hostarch,
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int host_pae,
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const char *hvm_type,
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struct guest_arch *guest_archs,
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int nr_guest_archs) {
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int nr_guest_archs)
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{
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virCapsPtr caps;
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int i;
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int hv_major = hv_versions.hv >> 16;
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@ -2567,7 +2548,8 @@ xenHypervisorMakeCapabilitiesSunOS(virConnectPtr conn)
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virCapsPtr
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xenHypervisorMakeCapabilitiesInternal(virConnectPtr conn,
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virArch hostarch,
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FILE *cpuinfo, FILE *capabilities)
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FILE *cpuinfo,
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FILE *capabilities)
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{
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char line[1024], *str, *token;
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regmatch_t subs[4];
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@ -2776,7 +2758,7 @@ cleanup:
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char *
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xenHypervisorGetCapabilities(virConnectPtr conn)
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{
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xenUnifiedPrivatePtr priv = (xenUnifiedPrivatePtr) conn->privateData;
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xenUnifiedPrivatePtr priv = conn->privateData;
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char *xml;
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if (!(xml = virCapabilitiesFormatXML(priv->caps))) {
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@ -2803,11 +2785,8 @@ xenHypervisorNumOfDomains(virConnectPtr conn)
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int ret, nbids;
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static int last_maxids = 2;
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int maxids = last_maxids;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return -1;
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@ -2860,14 +2839,9 @@ xenHypervisorListDomains(virConnectPtr conn, int *ids, int maxids)
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{
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xen_getdomaininfolist dominfos;
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int ret, nbids, i;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0 ||
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(ids == NULL) || (maxids < 0))
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if (priv->handle < 0)
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return -1;
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if (maxids == 0)
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@ -2906,11 +2880,10 @@ xenHypervisorListDomains(virConnectPtr conn, int *ids, int maxids)
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char *
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xenHypervisorDomainGetOSType(virDomainPtr dom)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = dom->conn->privateData;
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xen_getdomaininfo dominfo;
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char *ostype = NULL;
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priv = (xenUnifiedPrivatePtr) dom->conn->privateData;
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if (priv->handle < 0) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("domain shut off or invalid"));
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@ -2951,13 +2924,11 @@ xenHypervisorDomainGetOSType(virDomainPtr dom)
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}
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int
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xenHypervisorHasDomain(virConnectPtr conn,
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int id)
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xenHypervisorHasDomain(virConnectPtr conn, int id)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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xen_getdomaininfo dominfo;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return 0;
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@ -2973,15 +2944,13 @@ xenHypervisorHasDomain(virConnectPtr conn,
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}
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virDomainPtr
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xenHypervisorLookupDomainByID(virConnectPtr conn,
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int id)
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xenHypervisorLookupDomainByID(virConnectPtr conn, int id)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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xen_getdomaininfo dominfo;
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virDomainPtr ret;
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char *name;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return NULL;
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@ -3008,16 +2977,14 @@ xenHypervisorLookupDomainByID(virConnectPtr conn,
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virDomainPtr
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xenHypervisorLookupDomainByUUID(virConnectPtr conn,
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const unsigned char *uuid)
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xenHypervisorLookupDomainByUUID(virConnectPtr conn, const unsigned char *uuid)
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{
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xen_getdomaininfolist dominfos;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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virDomainPtr ret;
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char *name;
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int maxids = 100, nids, i, id;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return NULL;
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@ -3081,14 +3048,10 @@ xenHypervisorLookupDomainByUUID(virConnectPtr conn,
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* Returns the maximum of CPU defined by Xen.
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*/
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int
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xenHypervisorGetMaxVcpus(virConnectPtr conn,
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const char *type ATTRIBUTE_UNUSED)
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xenHypervisorGetMaxVcpus(virConnectPtr conn, const char *type ATTRIBUTE_UNUSED)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return -1;
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@ -3108,14 +3071,10 @@ xenHypervisorGetMaxVcpus(virConnectPtr conn,
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unsigned long
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xenHypervisorGetDomMaxMemory(virConnectPtr conn, int id)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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xen_getdomaininfo dominfo;
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int ret;
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if (conn == NULL)
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return 0;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0)
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return 0;
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@ -3148,12 +3107,8 @@ xenHypervisorGetDomMaxMemory(virConnectPtr conn, int id)
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static unsigned long long ATTRIBUTE_NONNULL(1)
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xenHypervisorGetMaxMemory(virDomainPtr domain)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL)
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return 0;
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0 || domain->id < 0)
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return 0;
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@ -3173,7 +3128,7 @@ xenHypervisorGetMaxMemory(virDomainPtr domain)
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int
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xenHypervisorGetDomInfo(virConnectPtr conn, int id, virDomainInfoPtr info)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = conn->privateData;
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xen_getdomaininfo dominfo;
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int ret;
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uint32_t domain_flags, domain_state, domain_shutdown_cause;
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@ -3184,11 +3139,7 @@ xenHypervisorGetDomInfo(virConnectPtr conn, int id, virDomainInfoPtr info)
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kb_per_pages = 4;
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}
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if (conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) conn->privateData;
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if (priv->handle < 0 || info == NULL)
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if (priv->handle < 0)
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return -1;
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memset(info, 0, sizeof(virDomainInfo));
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@ -3256,14 +3207,9 @@ xenHypervisorGetDomInfo(virConnectPtr conn, int id, virDomainInfoPtr info)
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int
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xenHypervisorGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
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{
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0 || info == NULL ||
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(domain->id < 0))
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if (priv->handle < 0 || domain->id < 0)
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return -1;
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return xenHypervisorGetDomInfo(domain->conn, domain->id, info);
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@ -3292,9 +3238,6 @@ xenHypervisorGetDomainState(virDomainPtr domain,
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virCheckFlags(0, -1);
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if (domain->conn == NULL)
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return -1;
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if (priv->handle < 0 || domain->id < 0)
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return -1;
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@ -3326,19 +3269,14 @@ xenHypervisorGetDomainState(virDomainPtr domain,
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* Returns the number of entries filled in freeMems, or -1 in case of error.
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*/
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int
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xenHypervisorNodeGetCellsFreeMemory(virConnectPtr conn, unsigned long long *freeMems,
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int startCell, int maxCells)
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xenHypervisorNodeGetCellsFreeMemory(virConnectPtr conn,
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unsigned long long *freeMems,
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int startCell,
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int maxCells)
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{
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xen_op_v2_sys op_sys;
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int i, j, ret;
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xenUnifiedPrivatePtr priv;
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if (conn == NULL) {
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virReportError(VIR_ERR_INVALID_ARG, "%s", _("invalid argument"));
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return -1;
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}
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priv = conn->privateData;
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xenUnifiedPrivatePtr priv = conn->privateData;
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if (priv->nbNodeCells < 0) {
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virReportError(VIR_ERR_XEN_CALL, "%s",
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@ -3400,12 +3338,8 @@ int
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xenHypervisorPauseDomain(virDomainPtr domain)
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{
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int ret;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
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if (priv->handle < 0 || domain->id < 0)
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return -1;
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@ -3427,12 +3361,8 @@ int
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xenHypervisorResumeDomain(virDomainPtr domain)
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{
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int ret;
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xenUnifiedPrivatePtr priv;
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xenUnifiedPrivatePtr priv = domain->conn->privateData;
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if (domain->conn == NULL)
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return -1;
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priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || domain->id < 0)
|
||||
return -1;
|
||||
|
||||
|
|
@ -3455,18 +3385,13 @@ xenHypervisorResumeDomain(virDomainPtr domain)
|
|||
* Returns 0 in case of success, -1 in case of error.
|
||||
*/
|
||||
int
|
||||
xenHypervisorDestroyDomainFlags(virDomainPtr domain,
|
||||
unsigned int flags)
|
||||
xenHypervisorDestroyDomainFlags(virDomainPtr domain, unsigned int flags)
|
||||
{
|
||||
int ret;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
|
||||
virCheckFlags(0, -1);
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || domain->id < 0)
|
||||
return -1;
|
||||
|
||||
|
|
@ -3489,12 +3414,8 @@ int
|
|||
xenHypervisorSetMaxMemory(virDomainPtr domain, unsigned long memory)
|
||||
{
|
||||
int ret;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || domain->id < 0)
|
||||
return -1;
|
||||
|
||||
|
|
@ -3519,12 +3440,8 @@ int
|
|||
xenHypervisorSetVcpus(virDomainPtr domain, unsigned int nvcpus)
|
||||
{
|
||||
int ret;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || domain->id < 0 || nvcpus < 1)
|
||||
return -1;
|
||||
|
||||
|
|
@ -3551,14 +3468,9 @@ xenHypervisorPinVcpu(virDomainPtr domain, unsigned int vcpu,
|
|||
unsigned char *cpumap, int maplen)
|
||||
{
|
||||
int ret;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || (domain->id < 0) ||
|
||||
(cpumap == NULL) || (maplen < 1))
|
||||
if (priv->handle < 0 || domain->id < 0)
|
||||
return -1;
|
||||
|
||||
ret = virXen_setvcpumap(priv->handle, domain->id, vcpu,
|
||||
|
|
@ -3588,31 +3500,24 @@ xenHypervisorPinVcpu(virDomainPtr domain, unsigned int vcpu,
|
|||
* Returns the number of info filled in case of success, -1 in case of failure.
|
||||
*/
|
||||
int
|
||||
xenHypervisorGetVcpus(virDomainPtr domain, virVcpuInfoPtr info, int maxinfo,
|
||||
unsigned char *cpumaps, int maplen)
|
||||
xenHypervisorGetVcpus(virDomainPtr domain,
|
||||
virVcpuInfoPtr info,
|
||||
int maxinfo,
|
||||
unsigned char *cpumaps,
|
||||
int maplen)
|
||||
{
|
||||
xen_getdomaininfo dominfo;
|
||||
int ret;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
virVcpuInfoPtr ipt;
|
||||
int nbinfo, i;
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0 || (domain->id < 0) ||
|
||||
(info == NULL) || (maxinfo < 1) ||
|
||||
(sizeof(cpumap_t) & 7)) {
|
||||
if (priv->handle < 0 || domain->id < 0 || sizeof(cpumap_t) & 7) {
|
||||
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
|
||||
_("domain shut off or invalid"));
|
||||
return -1;
|
||||
}
|
||||
if ((cpumaps != NULL) && (maplen < 1)) {
|
||||
virReportError(VIR_ERR_INVALID_ARG, "%s",
|
||||
_("invalid argument"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* first get the number of virtual CPUs in this domain */
|
||||
XEN_GETDOMAININFO_CLEAR(dominfo);
|
||||
ret = virXen_getdomaininfo(priv->handle, domain->id,
|
||||
|
|
@ -3667,12 +3572,8 @@ xenHypervisorGetVcpuMax(virDomainPtr domain)
|
|||
xen_getdomaininfo dominfo;
|
||||
int ret;
|
||||
int maxcpu;
|
||||
xenUnifiedPrivatePtr priv;
|
||||
xenUnifiedPrivatePtr priv = domain->conn->privateData;
|
||||
|
||||
if (domain->conn == NULL)
|
||||
return -1;
|
||||
|
||||
priv = (xenUnifiedPrivatePtr) domain->conn->privateData;
|
||||
if (priv->handle < 0)
|
||||
return -1;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue