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Introduce virDomainPMWakeup API

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This API allows a domain which previously called
virDomainPMSuspendForDuration() to be woken up.
This commit is contained in:
Michal Privoznik 2012-02-10 12:40:52 +01:00
parent 9f748277bb
commit e2822f19fd
7 changed files with 77 additions and 4 deletions
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2
include/libvirt/libvirt.h.in
View File

@ -1251,6 +1251,8 @@ int virDomainPMSuspendForDuration (virDomainPtr domain,
unsigned int target,
unsigned long long duration,
unsigned int flags);
int virDomainPMWakeup (virDomainPtr domain,
unsigned int flags);
/*
* Domain save/restore
*/

6
src/driver.h
View File

@ -124,6 +124,9 @@ typedef int
unsigned int target,
unsigned long long duration,
unsigned int flags);
typedef int
(*virDrvDomainPMWakeup) (virDomainPtr domain,
unsigned int flags);
typedef int
(*virDrvDomainShutdown) (virDomainPtr domain);
typedef int
@ -867,8 +870,9 @@ struct _virDriver {
virDrvDomainLookupByUUID domainLookupByUUID;
virDrvDomainLookupByName domainLookupByName;
virDrvDomainSuspend domainSuspend;
virDrvDomainPMSuspendForDuration domainPMSuspendForDuration;
virDrvDomainResume domainResume;
virDrvDomainPMSuspendForDuration domainPMSuspendForDuration;
virDrvDomainPMWakeup domainPMWakeup;
virDrvDomainShutdown domainShutdown;
virDrvDomainShutdownFlags domainShutdownFlags;
virDrvDomainReboot domainReboot;

50
src/libvirt.c
View File

@ -2514,6 +2514,56 @@ error:
return -1;
}
/**
* virDomainPMWakeup:
* @dom: a domain object
* @flags: extra flags; not used yet, so callers should always pass 0
*
* Inject a wakeup into the guest that previously used
* virDomainPMSuspendForDuration, rather than waiting for the
* previously requested duration (if any) to elapse.
*
* Returns: 0 on success,
* -1 on failure.
*/
int
virDomainPMWakeup(virDomainPtr dom,
unsigned int flags)
{
virConnectPtr conn;
VIR_DOMAIN_DEBUG(dom, "flags=%x", flags);
virResetLastError();
if (!VIR_IS_CONNECTED_DOMAIN(dom)) {
virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
conn = dom->conn;
if (conn->flags & VIR_CONNECT_RO) {
virLibConnError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
goto error;
}
if (conn->driver->domainPMWakeup) {
int ret;
ret = conn->driver->domainPMWakeup(dom, flags);
if (ret < 0)
goto error;
return ret;
}
virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
error:
virDispatchError(conn);
return -1;
}
/**
* virDomainSave:
* @domain: a domain object

5
src/libvirt_public.syms
View File

@ -529,4 +529,9 @@ LIBVIRT_0.9.10 {
virStorageVolWipePattern;
} LIBVIRT_0.9.9;
LIBVIRT_0.9.11 {
global:
virDomainPMWakeup;
} LIBVIRT_0.9.10;
# .... define new API here using predicted next version number ....

1
src/remote/remote_driver.c
View File

@ -4781,6 +4781,7 @@ static virDriver remote_driver = {
.domainSuspend = remoteDomainSuspend, /* 0.3.0 */
.domainResume = remoteDomainResume, /* 0.3.0 */
.domainPMSuspendForDuration = remoteDomainPMSuspendForDuration, /* 0.9.10 */
.domainPMWakeup = remoteDomainPMWakeup, /* 0.9.11 */
.domainShutdown = remoteDomainShutdown, /* 0.3.0 */
.domainShutdownFlags = remoteDomainShutdownFlags, /* 0.9.10 */
.domainReboot = remoteDomainReboot, /* 0.3.0 */

10
src/remote/remote_protocol.x
View File

@ -752,6 +752,10 @@ struct remote_domain_suspend_args {
remote_nonnull_domain dom;
};
struct remote_domain_resume_args {
remote_nonnull_domain dom;
};
struct remote_domain_pm_suspend_for_duration_args {
remote_nonnull_domain dom;
unsigned int target;
@ -759,8 +763,9 @@ struct remote_domain_pm_suspend_for_duration_args {
unsigned int flags;
};
struct remote_domain_resume_args {
struct remote_domain_pm_wakeup_args {
remote_nonnull_domain dom;
unsigned int flags;
};
struct remote_domain_shutdown_args {
@ -2759,7 +2764,8 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_GET_DISK_ERRORS = 263, /* skipgen skipgen */
REMOTE_PROC_DOMAIN_SET_METADATA = 264, /* autogen autogen */
REMOTE_PROC_DOMAIN_GET_METADATA = 265, /* autogen autogen */
REMOTE_PROC_DOMAIN_BLOCK_REBASE = 266 /* autogen autogen */
REMOTE_PROC_DOMAIN_BLOCK_REBASE = 266, /* autogen autogen */
REMOTE_PROC_DOMAIN_PM_WAKEUP = 267 /* autogen autogen */
/*
* Notice how the entries are grouped in sets of 10 ?

7
src/remote_protocol-structs
View File

@ -444,14 +444,18 @@ struct remote_domain_lookup_by_name_ret {
struct remote_domain_suspend_args {
remote_nonnull_domain dom;
};
struct remote_domain_resume_args {
remote_nonnull_domain dom;
};
struct remote_domain_pm_suspend_for_duration_args {
remote_nonnull_domain dom;
u_int target;
uint64_t duration;
u_int flags;
};
struct remote_domain_resume_args {
struct remote_domain_pm_wakeup_args {
remote_nonnull_domain dom;
u_int flags;
};
struct remote_domain_shutdown_args {
remote_nonnull_domain dom;
@ -2173,4 +2177,5 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_SET_METADATA = 264,
REMOTE_PROC_DOMAIN_GET_METADATA = 265,
REMOTE_PROC_DOMAIN_BLOCK_REBASE = 266,
REMOTE_PROC_DOMAIN_PM_WAKEUP = 267,
};