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Re: [Qemu-arm] [PATCH v2 02/11] hw/acpi: Make ACPI IO address space conf
From: |
Auger Eric |
Subject: |
Re: [Qemu-arm] [PATCH v2 02/11] hw/acpi: Make ACPI IO address space configurable |
Date: |
Fri, 8 Mar 2019 17:13:42 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
Hi,
On 3/8/19 12:42 PM, Shameer Kolothum wrote:
> This is in preparation for adding support for ARM64 platforms
> where it doesn't use port mapped IO for ACPI IO space.
>
> Signed-off-by: Shameer Kolothum <address@hidden>
Reviewed-by: Eric Auger <address@hidden>
Thanks
Eric
> ---
> hw/acpi/memory_hotplug.c | 22 ++++++++++++++--------
> hw/i386/acpi-build.c | 3 ++-
> include/hw/acpi/memory_hotplug.h | 5 +++--
> 3 files changed, 19 insertions(+), 11 deletions(-)
>
> diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
> index a6beb10..77ff0af 100644
> --- a/hw/acpi/memory_hotplug.c
> +++ b/hw/acpi/memory_hotplug.c
> @@ -8,7 +8,7 @@
> #include "qapi/error.h"
> #include "qapi/qapi-events-misc.h"
>
> -static uint16_t memhp_io_base;
> +static hwaddr memhp_io_base;
>
> static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
> {
> @@ -182,7 +182,7 @@ static const MemoryRegionOps acpi_memory_hotplug_ops = {
> };
>
> void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
> - MemHotplugState *state, uint16_t io_base)
> + MemHotplugState *state, hwaddr io_base)
> {
> MachineState *machine = MACHINE(qdev_get_machine());
>
> @@ -315,7 +315,8 @@ const VMStateDescription vmstate_memory_hotplug = {
>
> void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
> const char *res_root,
> - const char *event_handler_method)
> + const char *event_handler_method,
> + AmlRegionSpace rs)
> {
> int i;
> Aml *ifctx;
> @@ -338,14 +339,19 @@ void build_memory_hotplug_aml(Aml *table, uint32_t
> nr_mem,
> aml_name_decl("_UID", aml_string("Memory hotplug resources")));
>
> crs = aml_resource_template();
> - aml_append(crs,
> - aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0,
> - MEMORY_HOTPLUG_IO_LEN)
> - );
> + if (rs == AML_SYSTEM_IO) {
> + aml_append(crs,
> + aml_io(AML_DECODE16, memhp_io_base, memhp_io_base, 0,
> + MEMORY_HOTPLUG_IO_LEN)
> + );
> + } else {
> + aml_append(crs, aml_memory32_fixed(memhp_io_base,
> + MEMORY_HOTPLUG_IO_LEN, AML_READ_WRITE));
> + }
> aml_append(mem_ctrl_dev, aml_name_decl("_CRS", crs));
>
> aml_append(mem_ctrl_dev, aml_operation_region(
> - MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO,
> + MEMORY_HOTPLUG_IO_REGION, rs,
> aml_int(memhp_io_base), MEMORY_HOTPLUG_IO_LEN)
> );
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 622ccb9..d9b554f 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1852,7 +1852,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
> build_cpus_aml(dsdt, machine, opts, pm->cpu_hp_io_base,
> "\\_SB.PCI0", "\\_GPE._E02");
> }
> - build_memory_hotplug_aml(dsdt, nr_mem, "\\_SB.PCI0", "\\_GPE._E03");
> + build_memory_hotplug_aml(dsdt, nr_mem, "\\_SB.PCI0",
> + "\\_GPE._E03", AML_SYSTEM_IO);
>
> scope = aml_scope("_GPE");
> {
> diff --git a/include/hw/acpi/memory_hotplug.h
> b/include/hw/acpi/memory_hotplug.h
> index fbfcbe6..52f9027 100644
> --- a/include/hw/acpi/memory_hotplug.h
> +++ b/include/hw/acpi/memory_hotplug.h
> @@ -55,7 +55,7 @@ typedef struct MemHotplugState {
> } MemHotplugState;
>
> void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
> - MemHotplugState *state, uint16_t io_base);
> + MemHotplugState *state, hwaddr io_base);
>
> void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState
> *mem_st,
> DeviceState *dev, Error **errp);
> @@ -74,5 +74,6 @@ void acpi_memory_ospm_status(MemHotplugState *mem_st,
> ACPIOSTInfoList ***list);
>
> void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
> const char *res_root,
> - const char *event_handler_method);
> + const char *event_handler_method,
> + AmlRegionSpace rs);
> #endif
>