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ac97: port to vmstate

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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-12-02 11:49:42 +01:00 committed by Anthony Liguori
parent 3b6b2126b2
commit a90ffa497d
1 changed files with 44 additions and 57 deletions
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101
hw/ac97.c
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@ -1167,68 +1167,31 @@ static void po_callback (void *opaque, int free)
transfer_audio (opaque, PO_INDEX, free);
}
static void ac97_save (QEMUFile *f, void *opaque)
{
size_t i;
AC97LinkState *s = opaque;
pci_device_save (&s->dev, f);
qemu_put_be32s (f, &s->glob_cnt);
qemu_put_be32s (f, &s->glob_sta);
qemu_put_be32s (f, &s->cas);
for (i = 0; i < ARRAY_SIZE (s->bm_regs); ++i) {
AC97BusMasterRegs *r = &s->bm_regs[i];
qemu_put_be32s (f, &r->bdbar);
qemu_put_8s (f, &r->civ);
qemu_put_8s (f, &r->lvi);
qemu_put_be16s (f, &r->sr);
qemu_put_be16s (f, &r->picb);
qemu_put_8s (f, &r->piv);
qemu_put_8s (f, &r->cr);
qemu_put_be32s (f, &r->bd_valid);
qemu_put_be32s (f, &r->bd.addr);
qemu_put_be32s (f, &r->bd.ctl_len);
static const VMStateDescription vmstate_ac97_bm_regs = {
.name = "ac97_bm_regs",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = (VMStateField []) {
VMSTATE_UINT32(bdbar, AC97BusMasterRegs),
VMSTATE_UINT8(civ, AC97BusMasterRegs),
VMSTATE_UINT8(lvi, AC97BusMasterRegs),
VMSTATE_UINT16(sr, AC97BusMasterRegs),
VMSTATE_UINT16(picb, AC97BusMasterRegs),
VMSTATE_UINT8(piv, AC97BusMasterRegs),
VMSTATE_UINT8(cr, AC97BusMasterRegs),
VMSTATE_UINT32(bd_valid, AC97BusMasterRegs),
VMSTATE_UINT32(bd.addr, AC97BusMasterRegs),
VMSTATE_UINT32(bd.ctl_len, AC97BusMasterRegs),
VMSTATE_END_OF_LIST()
}
qemu_put_buffer (f, s->mixer_data, sizeof (s->mixer_data));
}
};
static int ac97_load (QEMUFile *f, void *opaque, int version_id)
static int ac97_post_load (void *opaque, int version_id)
{
int ret;
size_t i;
uint8_t active[LAST_INDEX];
AC97LinkState *s = opaque;
if (version_id < 2 || version_id > 3)
return -EINVAL;
ret = pci_device_load (&s->dev, f);
if (ret)
return ret;
qemu_get_be32s (f, &s->glob_cnt);
qemu_get_be32s (f, &s->glob_sta);
qemu_get_be32s (f, &s->cas);
for (i = 0; i < ARRAY_SIZE (s->bm_regs); ++i) {
AC97BusMasterRegs *r = &s->bm_regs[i];
qemu_get_be32s (f, &r->bdbar);
qemu_get_8s (f, &r->civ);
qemu_get_8s (f, &r->lvi);
qemu_get_be16s (f, &r->sr);
qemu_get_be16s (f, &r->picb);
qemu_get_8s (f, &r->piv);
qemu_get_8s (f, &r->cr);
qemu_get_be32s (f, &r->bd_valid);
qemu_get_be32s (f, &r->bd.addr);
qemu_get_be32s (f, &r->bd.ctl_len);
}
qemu_get_buffer (f, s->mixer_data, sizeof (s->mixer_data));
if (version_id < 3)
qemu_get_buffer (f, active, sizeof (active));
#ifdef USE_MIXER
record_select (s, mixer_load (s, AC97_Record_Select));
#define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
@ -1247,6 +1210,30 @@ static int ac97_load (QEMUFile *f, void *opaque, int version_id)
return 0;
}
static bool is_version_2 (void *opaque, int version_id)
{
return version_id == 2;
}
static const VMStateDescription vmstate_ac97 = {
.name = "ac97",
.version_id = 3,
.minimum_version_id = 2,
.minimum_version_id_old = 2,
.post_load = ac97_post_load,
.fields = (VMStateField []) {
VMSTATE_PCI_DEVICE(dev, AC97LinkState),
VMSTATE_UINT32(glob_cnt, AC97LinkState),
VMSTATE_UINT32(glob_sta, AC97LinkState),
VMSTATE_UINT32(cas, AC97LinkState),
VMSTATE_STRUCT_ARRAY(bm_regs, AC97LinkState, 3, 1,
vmstate_ac97_bm_regs, AC97BusMasterRegs),
VMSTATE_BUFFER(mixer_data, AC97LinkState),
VMSTATE_UNUSED_TEST(is_version_2, 3),
VMSTATE_END_OF_LIST()
}
};
static void ac97_map (PCIDevice *pci_dev, int region_num,
pcibus_t addr, pcibus_t size, int type)
{
@ -1332,7 +1319,7 @@ static int ac97_initfn (PCIDevice *dev)
pci_register_bar (&s->dev, 0, 256 * 4, PCI_BASE_ADDRESS_SPACE_IO,
ac97_map);
pci_register_bar (&s->dev, 1, 64 * 4, PCI_BASE_ADDRESS_SPACE_IO, ac97_map);
register_savevm ("ac97", 0, 3, ac97_save, ac97_load, s);
vmstate_register (0, &vmstate_ac97, s);
qemu_register_reset (ac97_on_reset, s);
AUD_register_card ("ac97", &s->card);
ac97_on_reset (s);