From: Xu Wang <cngesaint@outlook.com> Under nested KVM environment libvirt-cim could recognize kvm support correctly now. Signed-off-by: Xu Wang <cngesaint@outlook.com> --- libxkutil/device_parsing.c | 19 +++++++++++++++++++ libxkutil/device_parsing.h | 2 ++ src/Virt_VirtualSystemManagementService.c | 22 +++++++++++++++++++--- 3 files changed, 40 insertions(+), 3 deletions(-) diff --git a/libxkutil/device_parsing.c b/libxkutil/device_parsing.c index 436415a..58d9094 100644 --- a/libxkutil/device_parsing.c +++ b/libxkutil/device_parsing.c @@ -396,6 +396,25 @@ err: return 0; } +int parse_domain_type(xmlNodePtr node, char **value) +{ + xmlNodePtr child = NULL; + + child = node->children; + while (child != NULL) { + if (XSTREQ(child->name, "domain")) { + *value = get_attr_value(child, "type"); + } + if (parse_domain_type(child, value) != 1) + goto err; + child = child->next; + } + + return 1; +err: + return 0; +} + static int parse_net_device(xmlNode *inode, struct virt_device **vdevs) { struct virt_device *vdev = NULL; diff --git a/libxkutil/device_parsing.h b/libxkutil/device_parsing.h index 6f6b0b4..733324f 100644 --- a/libxkutil/device_parsing.h +++ b/libxkutil/device_parsing.h @@ -221,6 +221,8 @@ int attach_device(virDomainPtr dom, struct virt_device *dev); int detach_device(virDomainPtr dom, struct virt_device *dev); int change_device(virDomainPtr dom, struct virt_device *dev); +int parse_domain_type(xmlNodePtr node, char **value); + #define XSTREQ(x, y) (STREQ((char *)x, y)) #define STRPROP(d, p, n) (d->p = get_node_content(n)) diff --git a/src/Virt_VirtualSystemManagementService.c b/src/Virt_VirtualSystemManagementService.c index 7b7261a..5210fdf 100644 --- a/src/Virt_VirtualSystemManagementService.c +++ b/src/Virt_VirtualSystemManagementService.c @@ -393,8 +393,13 @@ static bool system_has_kvm(const char *pfx) CMPIStatus s; virConnectPtr conn; char *caps = NULL; - bool kvm = false; bool disable_kvm = get_disable_kvm(); + char *val = NULL; + int ret; + xmlDocPtr doc; + xmlNodePtr node; + int len; + bool kvm = false; /* sometimes disable KVM to avoid problem in nested KVM */ if (disable_kvm) { @@ -408,10 +413,21 @@ static bool system_has_kvm(const char *pfx) } caps = virConnectGetCapabilities(conn); - if (caps != NULL) - kvm = (strstr(caps, "kvm") != NULL); + if (caps != NULL) { + len = strlen(caps) + 1; + doc = xmlParseMemory(caps, len); + node = xmlDocGetRootElement(doc); + ret = parse_domain_type(node, &val); + CU_DEBUG("domain type is %s.", val); + if (ret == CMPI_RC_OK) { + if(STREQC(val, "kvm")) + kvm = true; + } + } free(caps); + free(doc); + free(val); virConnectClose(conn); -- 1.7.1