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pc: add acpi-device link to PCMachineState 

the link will used later to access device implementing
ACPI functions instead of adhoc lookup in QOM tree.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2014-06-02 15:25:24 +02:00 committed by Michael S. Tsirkin
parent f816a62daa
commit 781bbd6bec
5 changed files with 34 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/acpi/piix4.c
View File

@ -483,13 +483,17 @@ Object *piix4_pm_find(void)
I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
qemu_irq sci_irq, qemu_irq smi_irq,
int kvm_enabled, FWCfgState *fw_cfg)
int kvm_enabled, FWCfgState *fw_cfg,
DeviceState **piix4_pm)
{
DeviceState *dev;
PIIX4PMState *s;
dev = DEVICE(pci_create(bus, devfn, TYPE_PIIX4_PM));
qdev_prop_set_uint32(dev, "smb_io_base", smb_io_base);
if (piix4_pm) {
*piix4_pm = dev;
}
s = PIIX4_PM(dev);
s->irq = sci_irq;

12
hw/i386/pc_piix.c
View File

@ -74,6 +74,7 @@ static void pc_init1(MachineState *machine,
int pci_enabled,
int kvmclock_enabled)
{
PCMachineState *pc_machine = PC_MACHINE(machine);
MemoryRegion *system_memory = get_system_memory();
MemoryRegion *system_io = get_system_io();
int i;
@ -246,14 +247,23 @@ static void pc_init1(MachineState *machine,
}
if (pci_enabled && acpi_enabled) {
DeviceState *piix4_pm;
I2CBus *smbus;
smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
/* TODO: Populate SPD eeprom data. */
smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
gsi[9], *smi_irq,
kvm_enabled(), fw_cfg);
kvm_enabled(), fw_cfg, &piix4_pm);
smbus_eeprom_init(smbus, 8, NULL, 0);
object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
TYPE_HOTPLUG_HANDLER,
(Object **)&pc_machine->acpi_dev,
object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
}
if (pci_enabled) {

10
hw/i386/pc_q35.c
View File

@ -62,6 +62,7 @@ static bool has_reserved_memory = true;
/* PC hardware initialisation */
static void pc_q35_init(MachineState *machine)
{
PCMachineState *pc_machine = PC_MACHINE(machine);
ram_addr_t below_4g_mem_size, above_4g_mem_size;
Q35PCIHost *q35_host;
PCIHostState *phb;
@ -178,6 +179,15 @@ static void pc_q35_init(MachineState *machine)
lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
ICH9_LPC_FUNC), true,
TYPE_ICH9_LPC_DEVICE);
object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
TYPE_HOTPLUG_HANDLER,
(Object **)&pc_machine->acpi_dev,
object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
object_property_set_link(OBJECT(machine), OBJECT(lpc),
PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
ich9_lpc = ICH9_LPC_DEVICE(lpc);
ich9_lpc->pic = gsi;
ich9_lpc->ioapic = gsi_state->ioapic_irq;

2
hw/mips/mips_malta.c
View File

@ -1104,7 +1104,7 @@ void mips_malta_init(MachineState *machine)
pci_piix4_ide_init(pci_bus, hd, piix4_devfn + 1);
pci_create_simple(pci_bus, piix4_devfn + 2, "piix4-usb-uhci");
smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100,
isa_get_irq(NULL, 9), NULL, 0, NULL);
isa_get_irq(NULL, 9), NULL, 0, NULL, NULL);
smbus_eeprom_init(smbus, 8, smbus_eeprom_buf, smbus_eeprom_size);
g_free(smbus_eeprom_buf);
pit = pit_init(isa_bus, 0x40, 0, NULL);

8
include/hw/i386/pc.h
View File

@ -21,6 +21,7 @@
* @hotplug_memory_base: address in guest RAM address space where hotplug memory
* address space begins.
* @hotplug_memory: hotplug memory addess space container
* @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
*/
struct PCMachineState {
/*< private >*/
@ -29,8 +30,12 @@ struct PCMachineState {
/* <public> */
ram_addr_t hotplug_memory_base;
MemoryRegion hotplug_memory;
HotplugHandler *acpi_dev;
};
#define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
/**
* PCMachineClass:
* @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
@ -210,7 +215,8 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
qemu_irq sci_irq, qemu_irq smi_irq,
int kvm_enabled, FWCfgState *fw_cfg);
int kvm_enabled, FWCfgState *fw_cfg,
DeviceState **piix4_pm);
void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
/* hpet.c */