/* see docs/specs/pci-serial.txt */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
#include "hw/char/serial.h"
+#include "hw/irq.h"
#include "hw/pci/pci.h"
-#include "qapi/qmp/qerror.h"
-
-#define PCI_SERIAL_MAX_PORTS 4
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
typedef struct PCISerialState {
PCIDevice dev;
SerialState state;
+ uint8_t prog_if;
} PCISerialState;
-typedef struct PCIMultiSerialState {
- PCIDevice dev;
- MemoryRegion iobar;
- uint32_t ports;
- char *name[PCI_SERIAL_MAX_PORTS];
- SerialState state[PCI_SERIAL_MAX_PORTS];
- uint32_t level[PCI_SERIAL_MAX_PORTS];
- qemu_irq *irqs;
-} PCIMultiSerialState;
+#define TYPE_PCI_SERIAL "pci-serial"
+#define PCI_SERIAL(s) OBJECT_CHECK(PCISerialState, (s), TYPE_PCI_SERIAL)
-static int serial_pci_init(PCIDevice *dev)
+static void serial_pci_realize(PCIDevice *dev, Error **errp)
{
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
SerialState *s = &pci->state;
- Error *err = NULL;
- s->baudbase = 115200;
- serial_realize_core(s, &err);
- if (err != NULL) {
- qerror_report_err(err);
- error_free(err);
- return -1;
+ if (!qdev_realize(DEVICE(s), NULL, errp)) {
+ return;
}
+ pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
s->irq = pci_allocate_irq(&pci->dev);
memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
- return 0;
-}
-
-static void multi_serial_irq_mux(void *opaque, int n, int level)
-{
- PCIMultiSerialState *pci = opaque;
- int i, pending = 0;
-
- pci->level[n] = level;
- for (i = 0; i < pci->ports; i++) {
- if (pci->level[i]) {
- pending = 1;
- }
- }
- pci_set_irq(&pci->dev, pending);
-}
-
-static int multi_serial_pci_init(PCIDevice *dev)
-{
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
- PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev);
- SerialState *s;
- Error *err = NULL;
- int i;
-
- switch (pc->device_id) {
- case 0x0003:
- pci->ports = 2;
- break;
- case 0x0004:
- pci->ports = 4;
- break;
- }
- assert(pci->ports > 0);
- assert(pci->ports <= PCI_SERIAL_MAX_PORTS);
-
- pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
- memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * pci->ports);
- pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar);
- pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci,
- pci->ports);
-
- for (i = 0; i < pci->ports; i++) {
- s = pci->state + i;
- s->baudbase = 115200;
- serial_realize_core(s, &err);
- if (err != NULL) {
- qerror_report_err(err);
- error_free(err);
- return -1;
- }
- s->irq = pci->irqs[i];
- pci->name[i] = g_strdup_printf("uart #%d", i+1);
- memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s,
- pci->name[i], 8);
- memory_region_add_subregion(&pci->iobar, 8 * i, &s->io);
- }
- return 0;
}
static void serial_pci_exit(PCIDevice *dev)
PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev);
SerialState *s = &pci->state;
- serial_exit_core(s);
- memory_region_destroy(&s->io);
+ qdev_unrealize(DEVICE(s));
qemu_free_irq(s->irq);
}
-static void multi_serial_pci_exit(PCIDevice *dev)
-{
- PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev);
- SerialState *s;
- int i;
-
- for (i = 0; i < pci->ports; i++) {
- s = pci->state + i;
- serial_exit_core(s);
- memory_region_destroy(&s->io);
- g_free(pci->name[i]);
- }
- memory_region_destroy(&pci->iobar);
- qemu_free_irqs(pci->irqs);
-}
-
static const VMStateDescription vmstate_pci_serial = {
.name = "pci-serial",
.version_id = 1,
.minimum_version_id = 1,
- .fields = (VMStateField[]) {
+ .fields = (VMStateField[]) {
VMSTATE_PCI_DEVICE(dev, PCISerialState),
VMSTATE_STRUCT(state, PCISerialState, 0, vmstate_serial, SerialState),
VMSTATE_END_OF_LIST()
}
};
-static const VMStateDescription vmstate_pci_multi_serial = {
- .name = "pci-serial-multi",
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_PCI_DEVICE(dev, PCIMultiSerialState),
- VMSTATE_STRUCT_ARRAY(state, PCIMultiSerialState, PCI_SERIAL_MAX_PORTS,
- 0, vmstate_serial, SerialState),
- VMSTATE_UINT32_ARRAY(level, PCIMultiSerialState, PCI_SERIAL_MAX_PORTS),
- VMSTATE_END_OF_LIST()
- }
-};
-
static Property serial_pci_properties[] = {
DEFINE_PROP_CHR("chardev", PCISerialState, state.chr),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static Property multi_2x_serial_pci_properties[] = {
- DEFINE_PROP_CHR("chardev1", PCIMultiSerialState, state[0].chr),
- DEFINE_PROP_CHR("chardev2", PCIMultiSerialState, state[1].chr),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static Property multi_4x_serial_pci_properties[] = {
- DEFINE_PROP_CHR("chardev1", PCIMultiSerialState, state[0].chr),
- DEFINE_PROP_CHR("chardev2", PCIMultiSerialState, state[1].chr),
- DEFINE_PROP_CHR("chardev3", PCIMultiSerialState, state[2].chr),
- DEFINE_PROP_CHR("chardev4", PCIMultiSerialState, state[3].chr),
+ DEFINE_PROP_UINT8("prog_if", PCISerialState, prog_if, 0x02),
DEFINE_PROP_END_OF_LIST(),
};
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
- pc->init = serial_pci_init;
+ pc->realize = serial_pci_realize;
pc->exit = serial_pci_exit;
pc->vendor_id = PCI_VENDOR_ID_REDHAT;
pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL;
pc->revision = 1;
pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
dc->vmsd = &vmstate_pci_serial;
- dc->props = serial_pci_properties;
+ device_class_set_props(dc, serial_pci_properties);
set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
}
-static void multi_2x_serial_pci_class_initfn(ObjectClass *klass, void *data)
+static void serial_pci_init(Object *o)
{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
- pc->init = multi_serial_pci_init;
- pc->exit = multi_serial_pci_exit;
- pc->vendor_id = PCI_VENDOR_ID_REDHAT;
- pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL2;
- pc->revision = 1;
- pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
- dc->vmsd = &vmstate_pci_multi_serial;
- dc->props = multi_2x_serial_pci_properties;
- set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
-}
+ PCISerialState *ps = PCI_SERIAL(o);
-static void multi_4x_serial_pci_class_initfn(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
- pc->init = multi_serial_pci_init;
- pc->exit = multi_serial_pci_exit;
- pc->vendor_id = PCI_VENDOR_ID_REDHAT;
- pc->device_id = PCI_DEVICE_ID_REDHAT_SERIAL4;
- pc->revision = 1;
- pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
- dc->vmsd = &vmstate_pci_multi_serial;
- dc->props = multi_4x_serial_pci_properties;
- set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+ object_initialize_child(o, "serial", &ps->state, TYPE_SERIAL);
}
static const TypeInfo serial_pci_info = {
- .name = "pci-serial",
+ .name = TYPE_PCI_SERIAL,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(PCISerialState),
+ .instance_init = serial_pci_init,
.class_init = serial_pci_class_initfn,
-};
-
-static const TypeInfo multi_2x_serial_pci_info = {
- .name = "pci-serial-2x",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PCIMultiSerialState),
- .class_init = multi_2x_serial_pci_class_initfn,
-};
-
-static const TypeInfo multi_4x_serial_pci_info = {
- .name = "pci-serial-4x",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PCIMultiSerialState),
- .class_init = multi_4x_serial_pci_class_initfn,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_CONVENTIONAL_PCI_DEVICE },
+ { },
+ },
};
static void serial_pci_register_types(void)
{
type_register_static(&serial_pci_info);
- type_register_static(&multi_2x_serial_pci_info);
- type_register_static(&multi_4x_serial_pci_info);
}
type_init(serial_pci_register_types)
projects / mirror_qemu.git / blobdiff