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[Qemu-devel] [PATCH v4 28/33] pc: add acpi-device link to PCMachineState
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH v4 28/33] pc: add acpi-device link to PCMachineState |
Date: |
Mon, 2 Jun 2014 15:25:24 +0200 |
the link will used later to access device implementing
ACPI functions instead of adhoc lookup in QOM tree.
Signed-off-by: Igor Mammedov <address@hidden>
Acked-by: Peter Crosthwaite <address@hidden>
---
hw/acpi/piix4.c | 6 +++++-
hw/i386/pc_piix.c | 12 +++++++++++-
hw/i386/pc_q35.c | 10 ++++++++++
hw/mips/mips_malta.c | 2 +-
include/hw/i386/pc.h | 8 +++++++-
5 files changed, 34 insertions(+), 4 deletions(-)
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 777dfde..7473485 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -485,13 +485,17 @@ 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;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index e133b6a..a13e8d6 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -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) {
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 0e77476..629eb2d 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -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;
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index 9fe775e..6685c7e 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -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);
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index cecd4c2..26526a8 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -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 */
--
1.7.1
- [Qemu-devel] [PATCH v4 20/33] acpi: memory hotplug ACPI hardware implementation, (continued)
- [Qemu-devel] [PATCH v4 20/33] acpi: memory hotplug ACPI hardware implementation, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 21/33] trace: add acpi memory hotplug IO region events, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 23/33] acpi:piix4: allow plug/unlug callbacks handle not only PCI devices, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 22/33] trace: pc: add PC_DIMM slot & address allocation, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 25/33] pc: ich9 lpc: make it work with global/compat properties, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 24/33] acpi:piix4: add memory hotplug handling, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 26/33] acpi:ich9: add memory hotplug handling, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 27/33] pc: migrate piix4 & ich9 MemHotplugState, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 30/33] pc: ACPI BIOS: implement memory hotplug interface, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 28/33] pc: add acpi-device link to PCMachineState,
Igor Mammedov <=
- [Qemu-devel] [PATCH v4 31/33] pc: add "hotplug-memory-region-size" property to PC_MACHINE, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 32/33] pc: ACPI BIOS: reserve SRAT entry for hotplug mem hole, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 29/33] pc: propagate memory hotplug event to ACPI device, Igor Mammedov, 2014/06/02
- [Qemu-devel] [PATCH v4 33/33] pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines, Igor Mammedov, 2014/06/02
- Re: [Qemu-devel] [PATCH v4 00/33] pc: ACPI memory hotplug, Eric Blake, 2014/06/02
- Re: [Qemu-devel] [PATCH v4 00/33] pc: ACPI memory hotplug, Michael S. Tsirkin, 2014/06/08