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Re: [Qemu-devel] [PATCH v5 8/8] hw/arm: Use GED for system_powerdown eve
From: |
Auger Eric |
Subject: |
Re: [Qemu-devel] [PATCH v5 8/8] hw/arm: Use GED for system_powerdown event |
Date: |
Tue, 18 Jun 2019 14:49:41 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
Hi Shameer,
On 5/22/19 6:22 PM, Shameer Kolothum wrote:
> Use GED for system_powerdown event instead of GPIO for ACPI.
> Guest boot with DT still uses GPIO.>
> Signed-off-by: Shameer Kolothum <address@hidden>
Reviewed-by: Eric Auger <address@hidden>
Thanks
Eric
> ---
> hw/arm/virt-acpi-build.c | 37 +------------------------------------
> hw/arm/virt.c | 7 +++----
> 2 files changed, 4 insertions(+), 40 deletions(-)
>
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index ed8e0cee3a..f23b276d77 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -49,7 +49,6 @@
> #include "kvm_arm.h"
>
> #define ARM_SPI_BASE 32
> -#define ACPI_POWER_BUTTON_DEVICE "PWRB">
> static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus)
> {
> @@ -328,37 +327,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const
> MemMapEntry *memmap,
> aml_append(scope, dev);
> }
>
> -static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
> - uint32_t gpio_irq)
> -{
> - Aml *dev = aml_device("GPO0");
> - aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0061")));
> - aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
> - aml_append(dev, aml_name_decl("_UID", aml_int(0)));
> -
> - Aml *crs = aml_resource_template();
> - aml_append(crs, aml_memory32_fixed(gpio_memmap->base, gpio_memmap->size,
> - AML_READ_WRITE));
> - aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
> - AML_EXCLUSIVE, &gpio_irq, 1));
> - aml_append(dev, aml_name_decl("_CRS", crs));
> -
> - Aml *aei = aml_resource_template();
> - /* Pin 3 for power button */
> - const uint32_t pin_list[1] = {3};
> - aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, AML_ACTIVE_HIGH,
> - AML_EXCLUSIVE, AML_PULL_UP, 0, pin_list, 1,
> - "GPO0", NULL, 0));
> - aml_append(dev, aml_name_decl("_AEI", aei));
> -
> - /* _E03 is handle for power button */
> - Aml *method = aml_method("_E03", 0, AML_NOTSERIALIZED);
> - aml_append(method, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE),
> - aml_int(0x80)));
> - aml_append(dev, method);
> - aml_append(scope, dev);
> -}
> -
> static void acpi_dsdt_add_power_button(Aml *scope)
> {
> Aml *dev = aml_device(ACPI_POWER_BUTTON_DEVICE);
> @@ -761,9 +729,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> VirtMachineState *vms)
> (irqmap[VIRT_MMIO] + ARM_SPI_BASE),
> NUM_VIRTIO_TRANSPORTS);
> acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE),
> vms->highmem, vms->highmem_ecam);
> - acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
> - (irqmap[VIRT_GPIO] + ARM_SPI_BASE));
> if (vms->acpi_dev) {
> + acpi_dsdt_add_power_button(scope);
> build_ged_aml(scope, "\\_SB."GED_DEVICE,
> HOTPLUG_HANDLER(vms->acpi_dev),
> irqmap[VIRT_ACPI_GED] + ARM_SPI_BASE,
> AML_SYSTEM_MEMORY);
> @@ -774,8 +741,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> VirtMachineState *vms)
> AML_SYSTEM_MEMORY);
> }
>
> - acpi_dsdt_add_power_button(scope);
> -
> aml_append(dsdt, scope);
>
> /* copy AML table into ACPI tables blob and patch header there */
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 8dfd7537b9..bb83160888 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -525,7 +525,7 @@ static inline DeviceState
> *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic)
> {
> DeviceState *dev;
> int irq = vms->irqmap[VIRT_ACPI_GED];
> - uint32_t event = ACPI_GED_MEM_HOTPLUG_EVT;
> + uint32_t event = ACPI_GED_MEM_HOTPLUG_EVT | ACPI_GED_PWR_DOWN_EVT;
>
> dev = DEVICE(object_new(TYPE_ACPI_GED));
> qdev_prop_set_uint64(dev, "memhp-base",
> @@ -1710,12 +1710,11 @@ static void machvirt_init(MachineState *machine)
>
> create_pcie(vms, pic);
>
> - create_gpio(vms, pic);
> -
> if (aarch64 && firmware_loaded && acpi_enabled) {
> vms->acpi_dev = create_acpi_ged(vms, pic);
> + } else {
> + create_gpio(vms, pic);
> }
> -
> /* Create mmio transports, so the user can create virtio backends
> * (which will be automatically plugged in to the transports). If
> * no backend is created the transport will just sit harmlessly idle.
>
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