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pci: add VMSTATE_MSIX

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Using a trick cut+pasted from vmstate_scsi_device
to wind up msix_save and msix_load.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-05-07 15:16:58 +02:00
parent 45ec267160
commit 340b50c759
2 changed files with 44 additions and 0 deletions
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33
hw/pci/msix.c
View File

@ -569,3 +569,36 @@ void msix_unset_vector_notifiers(PCIDevice *dev)
dev->msix_vector_release_notifier = NULL;
dev->msix_vector_poll_notifier = NULL;
}
static void put_msix_state(QEMUFile *f, void *pv, size_t size)
{
msix_save(pv, f);
}
static int get_msix_state(QEMUFile *f, void *pv, size_t size)
{
msix_load(pv, f);
return 0;
}
static VMStateInfo vmstate_info_msix = {
.name = "msix state",
.get = get_msix_state,
.put = put_msix_state,
};
const VMStateDescription vmstate_msix = {
.name = "msix",
.fields = (VMStateField[]) {
{
.name = "msix",
.version_id = 0,
.field_exists = NULL,
.size = 0, /* ouch */
.info = &vmstate_info_msix,
.flags = VMS_SINGLE,
.offset = 0,
},
VMSTATE_END_OF_LIST()
}
};

11
include/hw/pci/msix.h
View File

@ -43,4 +43,15 @@ int msix_set_vector_notifiers(PCIDevice *dev,
MSIVectorReleaseNotifier release_notifier,
MSIVectorPollNotifier poll_notifier);
void msix_unset_vector_notifiers(PCIDevice *dev);
extern const VMStateDescription vmstate_msix;
#define VMSTATE_MSIX(_field, _state) { \
.name = (stringify(_field)), \
.size = sizeof(PCIDevice), \
.vmsd = &vmstate_msix, \
.flags = VMS_STRUCT, \
.offset = vmstate_offset_value(_state, _field, PCIDevice), \
}
#endif