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ide: Introduce abstract QOM type for PCIIDEState

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Needed for QOM casts.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-07-17 18:44:48 +02:00
parent 02a9594b4f
commit f6c11d5644
5 changed files with 82 additions and 60 deletions
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62
hw/ide/cmd646.c
View file

@ -127,7 +127,7 @@ static uint64_t bmdma_read(void *opaque, hwaddr addr,
unsigned size)
{
BMDMAState *bm = opaque;
PCIIDEState *pci_dev = bm->pci_dev;
PCIDevice *pci_dev = PCI_DEVICE(bm->pci_dev);
uint32_t val;
if (size != 1) {
@ -139,16 +139,16 @@ static uint64_t bmdma_read(void *opaque, hwaddr addr,
val = bm->cmd;
break;
case 1:
val = pci_dev->dev.config[MRDMODE];
val = pci_dev->config[MRDMODE];
break;
case 2:
val = bm->status;
break;
case 3:
if (bm == &pci_dev->bmdma[0]) {
val = pci_dev->dev.config[UDIDETCR0];
if (bm == &bm->pci_dev->bmdma[0]) {
val = pci_dev->config[UDIDETCR0];
} else {
val = pci_dev->dev.config[UDIDETCR1];
val = pci_dev->config[UDIDETCR1];
}
break;
default:
@ -165,7 +165,7 @@ static void bmdma_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
BMDMAState *bm = opaque;
PCIIDEState *pci_dev = bm->pci_dev;
PCIDevice *pci_dev = PCI_DEVICE(bm->pci_dev);
if (size != 1) {
return;
@ -179,18 +179,19 @@ static void bmdma_write(void *opaque, hwaddr addr,
bmdma_cmd_writeb(bm, val);
break;
case 1:
pci_dev->dev.config[MRDMODE] =
(pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
cmd646_update_irq(pci_dev);
pci_dev->config[MRDMODE] =
(pci_dev->config[MRDMODE] & ~0x30) | (val & 0x30);
cmd646_update_irq(bm->pci_dev);
break;
case 2:
bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
break;
case 3:
if (bm == &pci_dev->bmdma[0])
pci_dev->dev.config[UDIDETCR0] = val;
else
pci_dev->dev.config[UDIDETCR1] = val;
if (bm == &bm->pci_dev->bmdma[0]) {
pci_dev->config[UDIDETCR0] = val;
} else {
pci_dev->config[UDIDETCR1] = val;
}
break;
}
}
@ -222,25 +223,29 @@ static void bmdma_setup_bar(PCIIDEState *d)
registers */
static void cmd646_update_irq(PCIIDEState *d)
{
PCIDevice *pd = PCI_DEVICE(d);
int pci_level;
pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) ||
((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
qemu_set_irq(d->dev.irq[0], pci_level);
pci_level = ((pd->config[MRDMODE] & MRDMODE_INTR_CH0) &&
!(pd->config[MRDMODE] & MRDMODE_BLK_CH0)) ||
((pd->config[MRDMODE] & MRDMODE_INTR_CH1) &&
!(pd->config[MRDMODE] & MRDMODE_BLK_CH1));
qemu_set_irq(pd->irq[0], pci_level);
}
/* the PCI irq level is the logical OR of the two channels */
static void cmd646_set_irq(void *opaque, int channel, int level)
{
PCIIDEState *d = opaque;
PCIDevice *pd = PCI_DEVICE(d);
int irq_mask;
irq_mask = MRDMODE_INTR_CH0 << channel;
if (level)
d->dev.config[MRDMODE] |= irq_mask;
else
d->dev.config[MRDMODE] &= ~irq_mask;
if (level) {
pd->config[MRDMODE] |= irq_mask;
} else {
pd->config[MRDMODE] &= ~irq_mask;
}
cmd646_update_irq(d);
}
@ -257,8 +262,8 @@ static void cmd646_reset(void *opaque)
/* CMD646 PCI IDE controller */
static int pci_cmd646_ide_initfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
uint8_t *pci_conf = d->dev.config;
PCIIDEState *d = PCI_IDE(dev);
uint8_t *pci_conf = dev->config;
qemu_irq *irq;
int i;
@ -284,7 +289,7 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], &d->dev.qdev, i, 2);
ide_bus_new(&d->bus[i], DEVICE(dev), i, 2);
ide_init2(&d->bus[i], irq[i]);
bmdma_init(&d->bus[i], &d->bmdma[i], d);
@ -293,14 +298,14 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
&d->bmdma[i].dma);
}
vmstate_register(&dev->qdev, 0, &vmstate_ide_pci, d);
vmstate_register(DEVICE(dev), 0, &vmstate_ide_pci, d);
qemu_register_reset(cmd646_reset, d);
return 0;
}
static void pci_cmd646_ide_exitfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
PCIIDEState *d = PCI_IDE(dev);
unsigned i;
for (i = 0; i < 2; ++i) {
@ -347,8 +352,7 @@ static void cmd646_ide_class_init(ObjectClass *klass, void *data)
static const TypeInfo cmd646_ide_info = {
.name = "cmd646-ide",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCIIDEState),
.parent = TYPE_PCI_IDE,
.class_init = cmd646_ide_class_init,
};