[libvirt] [PATCH v2 1/4] api: Add public api for 'reset'
Add new public api for 'reset'.
It can reset domain immediately without any guest shutdown.
Signed-off-by: Xu He Jie <xuhj(a)linux.vnet.ibm.com>
---
include/libvirt/libvirt.h.in | 3 ++
src/driver.h | 4 +++
src/libvirt.c | 50 ++++++++++++++++++++++++++++++++++++++++++
src/libvirt_public.syms | 1 +
4 files changed, 58 insertions(+), 0 deletions(-)
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index afeb83f..a3c581d 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -1031,6 +1031,9 @@ virDomainPtr virDomainLookupByUUIDString
(virConnectPtr conn,
int virDomainShutdown (virDomainPtr domain);
int virDomainReboot (virDomainPtr domain,
unsigned int flags);
+int virDomainReset (virDomainPtr domain,
+ unsigned int flags);
+
int virDomainDestroy (virDomainPtr domain);
int virDomainDestroyFlags (virDomainPtr domain,
unsigned int flags);
diff --git a/src/driver.h b/src/driver.h
index 7dcab8f..f85a1b1 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -124,6 +124,9 @@ typedef int
(*virDrvDomainReboot) (virDomainPtr domain,
unsigned int flags);
typedef int
+ (*virDrvDomainReset) (virDomainPtr domain,
+ unsigned int flags);
+typedef int
(*virDrvDomainDestroy) (virDomainPtr domain);
typedef int
(*virDrvDomainDestroyFlags) (virDomainPtr domain,
@@ -759,6 +762,7 @@ struct _virDriver {
virDrvDomainResume domainResume;
virDrvDomainShutdown domainShutdown;
virDrvDomainReboot domainReboot;
+ virDrvDomainReset domainReset;
virDrvDomainDestroy domainDestroy;
virDrvDomainDestroyFlags domainDestroyFlags;
virDrvDomainGetOSType domainGetOSType;
diff --git a/src/libvirt.c b/src/libvirt.c
index 38fcfbc..7fcbda4 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -3017,6 +3017,56 @@ error:
}
/**
+ * virDomainReset:
+ * @domain: a domain object
+ * @flags: extra flags for the reboot operation, not used yet
+ *
+ * Reset a domain immediately without any guest OS shutdown.
+ * Reset emulates the power reset of a button on a machine, i.e.
+ * All hardware see the RST line set and reinitialize their internal state.
+ *
+ * Note that the risk of data loss caused by reset without any
+ * guest OS shutdown.
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virDomainReset(virDomainPtr domain, unsigned int flags)
+{
+ virConnectPtr conn;
+
+ VIR_DOMAIN_DEBUG(domain, "flags=%x", flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
+ virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+ virDispatchError(NULL);
+ return -1;
+ }
+ if (domain->conn->flags & VIR_CONNECT_RO) {
+ virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ goto error;
+ }
+
+ conn = domain->conn;
+
+ if (conn->driver->domainReset) {
+ int ret;
+ ret = conn->driver->domainReset (domain, flags);
+ if (ret < 0)
+ goto error;
+ return ret;
+ }
+
+ virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+ virDispatchError(domain->conn);
+ return -1;
+}
+
+/**
* virDomainGetName:
* @domain: a domain object
*
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index cef14f0..9e6f104 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -492,6 +492,7 @@ LIBVIRT_0.9.5 {
LIBVIRT_0.9.7 {
global:
virDomainSnapshotGetParent;
+ virDomainReset;
} LIBVIRT_0.9.5;
# .... define new API here using predicted next version number ....
--
1.7.4.1