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ide: port pci ide 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 2009-10-07 20:55:32 +02:00 committed by Anthony Liguori
parent 44bfa33281
commit 407a4f3073
5 changed files with 44 additions and 64 deletions
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2
hw/ide/cmd646.c
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@ -233,7 +233,7 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
ide_init2(&d->bus[0], NULL, NULL, irq[0]);
ide_init2(&d->bus[1], NULL, NULL, irq[1]);
register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d);
vmstate_register(0, &vmstate_ide_pci, d);
qemu_register_reset(cmd646_reset, d);
cmd646_reset(d);
return 0;

3
hw/ide/internal.h
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@ -517,6 +517,9 @@ extern const VMStateDescription vmstate_ide_bus;
#define VMSTATE_IDE_BUS(_field, _state) \
VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \
VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
extern const VMStateDescription vmstate_ide_drive;
#define VMSTATE_IDE_DRIVES(_field, _state) \

97
hw/ide/pci.c
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@ -121,75 +121,52 @@ void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val)
bm->cur_addr = bm->addr;
}
void pci_ide_save(QEMUFile* f, void *opaque)
static const VMStateDescription vmstate_bmdma = {
.name = "ide bmdma",
.version_id = 3,
.minimum_version_id = 0,
.minimum_version_id_old = 0,
.fields = (VMStateField []) {
VMSTATE_UINT8(cmd, BMDMAState),
VMSTATE_UINT8(status, BMDMAState),
VMSTATE_UINT32(addr, BMDMAState),
VMSTATE_INT64(sector_num, BMDMAState),
VMSTATE_UINT32(nsector, BMDMAState),
VMSTATE_UINT8(unit, BMDMAState),
VMSTATE_END_OF_LIST()
}
};
static int ide_pci_post_load(void *opaque, int version_id)
{
PCIIDEState *d = opaque;
int i;
pci_device_save(&d->dev, f);
for(i = 0; i < 2; i++) {
BMDMAState *bm = &d->bmdma[i];
uint8_t ifidx;
qemu_put_8s(f, &bm->cmd);
qemu_put_8s(f, &bm->status);
qemu_put_be32s(f, &bm->addr);
qemu_put_sbe64s(f, &bm->sector_num);
qemu_put_be32s(f, &bm->nsector);
ifidx = bm->unit + 2*i;
qemu_put_8s(f, &ifidx);
/* XXX: if a transfer is pending, we do not save it yet */
}
/* per IDE interface data */
for(i = 0; i < 2; i++) {
idebus_save(f, d->bus+i);
}
/* per IDE drive data */
for(i = 0; i < 2; i++) {
ide_save(f, &d->bus[i].ifs[0]);
ide_save(f, &d->bus[i].ifs[1]);
}
}
int pci_ide_load(QEMUFile* f, void *opaque, int version_id)
{
PCIIDEState *d = opaque;
int ret, i;
if (version_id != 2 && version_id != 3)
return -EINVAL;
ret = pci_device_load(&d->dev, f);
if (ret < 0)
return ret;
for(i = 0; i < 2; i++) {
BMDMAState *bm = &d->bmdma[i];
uint8_t ifidx;
qemu_get_8s(f, &bm->cmd);
qemu_get_8s(f, &bm->status);
qemu_get_be32s(f, &bm->addr);
qemu_get_sbe64s(f, &bm->sector_num);
qemu_get_be32s(f, &bm->nsector);
qemu_get_8s(f, &ifidx);
bm->unit = ifidx & 1;
/* XXX: if a transfer is pending, we do not save it yet */
}
/* per IDE interface data */
for(i = 0; i < 2; i++) {
idebus_load(f, d->bus+i, version_id);
}
/* per IDE drive data */
for(i = 0; i < 2; i++) {
ide_load(f, &d->bus[i].ifs[0], version_id);
ide_load(f, &d->bus[i].ifs[1], version_id);
/* current versions always store 0/1, but older version
stored bigger values. We only need last bit */
d->bmdma[i].unit &= 1;
}
return 0;
}
const VMStateDescription vmstate_ide_pci = {
.name = "ide",
.version_id = 3,
.minimum_version_id = 0,
.minimum_version_id_old = 0,
.post_load = ide_pci_post_load,
.fields = (VMStateField []) {
VMSTATE_PCI_DEVICE(dev, PCIIDEState),
VMSTATE_STRUCT_ARRAY(bmdma, PCIIDEState, 2, 0,
vmstate_bmdma, BMDMAState),
VMSTATE_IDE_BUS_ARRAY(bus, PCIIDEState, 2),
VMSTATE_IDE_DRIVES(bus[0].ifs, PCIIDEState),
VMSTATE_IDE_DRIVES(bus[1].ifs, PCIIDEState),
VMSTATE_END_OF_LIST()
}
};
void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);

4
hw/ide/pci.h
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@ -17,7 +17,7 @@ uint32_t bmdma_addr_readw(void *opaque, uint32_t addr);
void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val);
uint32_t bmdma_addr_readl(void *opaque, uint32_t addr);
void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val);
void pci_ide_save(QEMUFile* f, void *opaque);
int pci_ide_load(QEMUFile* f, void *opaque, int version_id);
void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
extern const VMStateDescription vmstate_ide_pci;
#endif

2
hw/ide/piix.c
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@ -124,7 +124,7 @@ static int pci_piix_ide_initfn(PCIIDEState *d)
pci_register_bar(&d->dev, 4, 0x10, PCI_ADDRESS_SPACE_IO, bmdma_map);
register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d);
vmstate_register(0, &vmstate_ide_pci, d);
ide_bus_new(&d->bus[0], &d->dev.qdev);
ide_bus_new(&d->bus[1], &d->dev.qdev);