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Public API Implementation

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Implementation of public API for virDomain{Attach,Detach}DeviceFlags.

V2: Don't break remote compatibility with older libvirtd
This commit is contained in:
Jim Fehlig 2010-01-13 18:34:23 -07:00
parent 79ad308781
commit 343205d705
1 changed files with 111 additions and 3 deletions
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114
src/libvirt.c
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@ -5146,14 +5146,68 @@ virDomainAttachDevice(virDomainPtr domain, const char *xml)
conn = domain->conn;
if (conn->driver->domainAttachDevice) {
int ret;
ret = conn->driver->domainAttachDevice (domain, xml);
if (ret < 0)
goto error;
return ret;
}
virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
error:
virDispatchError(domain->conn);
return -1;
}
/**
* virDomainAttachDeviceFlags:
* @domain: pointer to domain object
* @xml: pointer to XML description of one device
* @flags: an OR'ed set of virDomainDeviceModifyFlags
*
* Attach a virtual device to a domain, using the flags parameter
* to control how the device is attached. VIR_DOMAIN_DEVICE_MODIFY_CURRENT
* specifies that the device allocation is made based on current domain
* state. VIR_DOMAIN_DEVICE_MODIFY_LIVE specifies that the device shall be
* allocated to the active domain instance only and is not added to the
* persisted domain configuration. VIR_DOMAIN_DEVICE_MODIFY_CONFIG
* specifies that the device shall be allocated to the persisted domain
* configuration only. Note that the target hypervisor must return an
* error if unable to satisfy flags. E.g. the hypervisor driver will
* return failure if LIVE is specified but it only supports modifying the
* persisted device allocation.
*
* Returns 0 in case of success, -1 in case of failure.
*/
int
virDomainAttachDeviceFlags(virDomainPtr domain,
const char *xml, unsigned int flags)
{
virConnectPtr conn;
DEBUG("domain=%p, xml=%s, flags=%d", domain, xml, flags);
virResetLastError();
if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
virLibDomainError(NULL, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
return (-1);
}
if (domain->conn->flags & VIR_CONNECT_RO) {
virLibDomainError(domain, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
goto error;
}
conn = domain->conn;
if (conn->driver->domainAttachDeviceFlags) {
int ret;
ret = conn->driver->domainAttachDevice (domain, xml);
ret = conn->driver->domainAttachDeviceFlags(domain, xml, flags);
if (ret < 0)
goto error;
return ret;
}
virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
virLibConnError(conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
error:
virDispatchError(domain->conn);
@ -5192,12 +5246,66 @@ virDomainDetachDevice(virDomainPtr domain, const char *xml)
if (conn->driver->domainDetachDevice) {
int ret;
ret = conn->driver->domainDetachDevice (domain, xml);
if (ret < 0)
goto error;
return ret;
}
virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
error:
virDispatchError(domain->conn);
return -1;
}
/**
* virDomainDetachDeviceFlags:
* @domain: pointer to domain object
* @xml: pointer to XML description of one device
* @flags: an OR'ed set of virDomainDeviceModifyFlags
*
* Detach a virtual device from a domain, using the flags parameter
* to control how the device is detached. VIR_DOMAIN_DEVICE_MODIFY_CURRENT
* specifies that the device allocation is removed based on current domain
* state. VIR_DOMAIN_DEVICE_MODIFY_LIVE specifies that the device shall be
* deallocated from the active domain instance only and is not from the
* persisted domain configuration. VIR_DOMAIN_DEVICE_MODIFY_CONFIG
* specifies that the device shall be deallocated from the persisted domain
* configuration only. Note that the target hypervisor must return an
* error if unable to satisfy flags. E.g. the hypervisor driver will
* return failure if LIVE is specified but it only supports removing the
* persisted device allocation.
*
* Returns 0 in case of success, -1 in case of failure.
*/
int
virDomainDetachDeviceFlags(virDomainPtr domain,
const char *xml, unsigned int flags)
{
virConnectPtr conn;
DEBUG("domain=%p, xml=%s, flags=%d", domain, xml, flags);
virResetLastError();
if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
virLibDomainError(NULL, VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
return (-1);
}
if (domain->conn->flags & VIR_CONNECT_RO) {
virLibDomainError(domain, VIR_ERR_OPERATION_DENIED, __FUNCTION__);
goto error;
}
conn = domain->conn;
if (conn->driver->domainDetachDeviceFlags) {
int ret;
ret = conn->driver->domainDetachDeviceFlags(domain, xml, flags);
if (ret < 0)
goto error;
return ret;
}
virLibConnError (conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
virLibConnError(conn, VIR_ERR_NO_SUPPORT, __FUNCTION__);
error:
virDispatchError(domain->conn);