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cpu: Introduce device_class_set_vmsd() helper 

It's the equivalent to cpu_class_set_vmsd(), to assign
DeviceClass::vmsd. It wasn't needed before since only static,
unmigratable VMStateDescriptions were assigned so far.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-06-18 02:23:36 +02:00
parent 76d5f0294a
commit 19e3835cff
1 changed files with 21 additions and 0 deletions
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21
include/qom/cpu.h
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@ -238,6 +238,27 @@ static inline void cpu_class_set_vmsd(CPUClass *cc,
#define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL) #define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL)
#endif #endif
/**
* device_class_set_vmsd:
* @dc: Device class
* @value: Value to set. Unused for %CONFIG_USER_ONLY.
*
* Sets #VMStateDescription for @dc.
*
* The @value argument is intentionally discarded for the non-softmmu targets
* to avoid linker errors or excessive preprocessor usage. If this behavior
* is undesired, you should assign #DeviceClass.vmsd directly instead.
*/
#ifndef CONFIG_USER_ONLY
static inline void device_class_set_vmsd(DeviceClass *dc,
const struct VMStateDescription *value)
{
dc->vmsd = value;
}
#else
#define device_class_set_vmsd(dc, value) ((dc)->vmsd = NULL)
#endif
/** /**
* qemu_cpu_has_work: * qemu_cpu_has_work:
* @cpu: The vCPU to check. * @cpu: The vCPU to check.