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-rw-r--r--hw/acpi/memory_hotplug.c33
-rw-r--r--hw/i386/acpi-build.c7
-rw-r--r--hw/i386/pc.c3
-rw-r--r--include/hw/acpi/memory_hotplug.h9
-rw-r--r--include/hw/i386/pc.h3
5 files changed, 33 insertions, 22 deletions
diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
index 9483d66..9b0b150 100644
--- a/hw/acpi/memory_hotplug.c
+++ b/hw/acpi/memory_hotplug.c
@@ -30,12 +30,7 @@
#define MEMORY_SLOT_PROXIMITY_METHOD "MPXM"
#define MEMORY_SLOT_EJECT_METHOD "MEJ0"
#define MEMORY_SLOT_NOTIFY_METHOD "MTFY"
-#define MEMORY_SLOT_SCAN_METHOD "MSCN"
#define MEMORY_HOTPLUG_DEVICE "MHPD"
-#define MEMORY_HOTPLUG_IO_LEN 24
-#define MEMORY_DEVICES_CONTAINER "\\_SB.MHPC"
-
-static uint16_t memhp_io_base;
static ACPIOSTInfo *acpi_memory_device_status(int slot, MemStatus *mdev)
{
@@ -210,7 +205,7 @@ 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());
@@ -219,12 +214,10 @@ void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
return;
}
- assert(!memhp_io_base);
- memhp_io_base = io_base;
state->devs = g_malloc0(sizeof(*state->devs) * state->dev_count);
memory_region_init_io(&state->io, owner, &acpi_memory_hotplug_ops, state,
"acpi-mem-hotplug", MEMORY_HOTPLUG_IO_LEN);
- memory_region_add_subregion(as, memhp_io_base, &state->io);
+ memory_region_add_subregion(as, io_base, &state->io);
}
/**
@@ -343,7 +336,8 @@ 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, hwaddr memhp_io_base)
{
int i;
Aml *ifctx;
@@ -352,10 +346,6 @@ void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
Aml *mem_ctrl_dev;
char *mhp_res_path;
- if (!memhp_io_base) {
- return;
- }
-
mhp_res_path = g_strdup_printf("%s." MEMORY_HOTPLUG_DEVICE, res_root);
mem_ctrl_dev = aml_device("%s", mhp_res_path);
{
@@ -366,14 +356,19 @@ 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 4e0f9f4..1d077a7 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1888,7 +1888,12 @@ 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");
+
+ if (pcms->memhp_io_base && nr_mem) {
+ build_memory_hotplug_aml(dsdt, nr_mem, "\\_SB.PCI0",
+ "\\_GPE._E03", AML_SYSTEM_IO,
+ pcms->memhp_io_base);
+ }
scope = aml_scope("_GPE");
{
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index bcda50e..4b19042 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1766,6 +1766,9 @@ void pc_memory_init(PCMachineState *pcms,
/* Init default IOAPIC address space */
pcms->ioapic_as = &address_space_memory;
+
+ /* Init ACPI memory hotplug IO base address */
+ pcms->memhp_io_base = ACPI_MEMORY_HOTPLUG_BASE;
}
/*
diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h
index 77c6576..dfe9cf3 100644
--- a/include/hw/acpi/memory_hotplug.h
+++ b/include/hw/acpi/memory_hotplug.h
@@ -5,6 +5,10 @@
#include "hw/acpi/acpi.h"
#include "hw/acpi/aml-build.h"
+#define MEMORY_SLOT_SCAN_METHOD "MSCN"
+#define MEMORY_DEVICES_CONTAINER "\\_SB.MHPC"
+#define MEMORY_HOTPLUG_IO_LEN 24
+
/**
* MemStatus:
* @is_removing: the memory device in slot has been requested to be ejected.
@@ -29,7 +33,7 @@ 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);
@@ -48,5 +52,6 @@ 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, hwaddr memhp_io_base);
#endif
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 6df4f4b..37bfd95 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -70,6 +70,9 @@ struct PCMachineState {
/* Address space used by IOAPIC device. All IOAPIC interrupts
* will be translated to MSI messages in the address space. */
AddressSpace *ioapic_as;
+
+ /* ACPI Memory hotplug IO base address */
+ hwaddr memhp_io_base;
};
#define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
generated by cgit v1.1 at 2024-09-30 13:57:39 +0000