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authorBALATON Zoltan <balaton@eik.bme.hu>2019-01-25 14:52:12 -0500
committerJohn Snow <jsnow@redhat.com>2019-01-25 14:52:12 -0500
commit4ea98d317eb442c738f898f16cfdd47a18b7ca49 (patch)
tree193ba234c87de9179e961ab984fffb4ca2970725 /hw/ide
parent7dd687ba1b99009d31235d75c082279715dbf676 (diff)
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ide/via: Implement and use native PCI IDE mode
This device only implemented ISA compatibility mode and native PCI IDE mode was missing but no clients actually need ISA mode but to the contrary, they usually want to switch to and use device in native PCI IDE mode. Therefore implement native PCI mode and switch default to that. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-id: c323f08c59b9931310c5d92503d370f77ce3a557.1548160772.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'hw/ide')
-rw-r--r--hw/ide/via.c52
1 files changed, 38 insertions, 14 deletions
diff --git a/hw/ide/via.c b/hw/ide/via.c
index c6e43a8..ac93852 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -32,15 +32,6 @@
#include "hw/ide/pci.h"
#include "trace.h"
-static const struct {
- int iobase;
- int iobase2;
- int isairq;
-} port_info[] = {
- {0x1f0, 0x3f6, 14},
- {0x170, 0x376, 15},
-};
-
static uint64_t bmdma_read(void *opaque, hwaddr addr,
unsigned size)
{
@@ -110,6 +101,23 @@ static void bmdma_setup_bar(PCIIDEState *d)
}
}
+static void via_ide_set_irq(void *opaque, int n, int level)
+{
+ PCIDevice *d = PCI_DEVICE(opaque);
+
+ if (level) {
+ d->config[0x70 + n * 8] |= 0x80;
+ } else {
+ d->config[0x70 + n * 8] &= ~0x80;
+ }
+
+ level = (d->config[0x70] & 0x80) || (d->config[0x78] & 0x80);
+ n = pci_get_byte(d->config + PCI_INTERRUPT_LINE);
+ if (n) {
+ qemu_set_irq(isa_get_irq(NULL, n), level);
+ }
+}
+
static void via_ide_reset(void *opaque)
{
PCIIDEState *d = opaque;
@@ -121,7 +129,7 @@ static void via_ide_reset(void *opaque)
ide_bus_reset(&d->bus[i]);
}
- pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_WAIT);
+ pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_WAIT);
pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_FAST_BACK |
PCI_STATUS_DEVSEL_MEDIUM);
@@ -158,10 +166,28 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
uint8_t *pci_conf = dev->config;
int i;
- pci_config_set_prog_interface(pci_conf, 0x8a); /* legacy ATA mode */
+ pci_config_set_prog_interface(pci_conf, 0x8f); /* native PCI ATA mode */
pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
+ dev->wmask[PCI_INTERRUPT_LINE] = 0xf;
qemu_register_reset(via_ide_reset, d);
+
+ memory_region_init_io(&d->data_bar[0], OBJECT(d), &pci_ide_data_le_ops,
+ &d->bus[0], "via-ide0-data", 8);
+ pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->data_bar[0]);
+
+ memory_region_init_io(&d->cmd_bar[0], OBJECT(d), &pci_ide_cmd_le_ops,
+ &d->bus[0], "via-ide0-cmd", 4);
+ pci_register_bar(dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd_bar[0]);
+
+ memory_region_init_io(&d->data_bar[1], OBJECT(d), &pci_ide_data_le_ops,
+ &d->bus[1], "via-ide1-data", 8);
+ pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &d->data_bar[1]);
+
+ memory_region_init_io(&d->cmd_bar[1], OBJECT(d), &pci_ide_cmd_le_ops,
+ &d->bus[1], "via-ide1-cmd", 4);
+ pci_register_bar(dev, 3, PCI_BASE_ADDRESS_SPACE_IO, &d->cmd_bar[1]);
+
bmdma_setup_bar(d);
pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
@@ -169,9 +195,7 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], sizeof(d->bus[i]), DEVICE(d), i, 2);
- ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase,
- port_info[i].iobase2);
- ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq));
+ ide_init2(&d->bus[i], qemu_allocate_irq(via_ide_set_irq, d, i));
bmdma_init(&d->bus[i], &d->bmdma[i], d);
d->bmdma[i].bus = &d->bus[i];