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-rw-r--r--hw/acpi/Makefile.objs2
-rw-r--r--hw/acpi/nvdimm.c35
-rw-r--r--hw/i386/acpi-build.c10
-rw-r--r--hw/i386/pc.c6
-rw-r--r--hw/i386/pc_piix.c5
-rw-r--r--hw/i386/pc_q35.c8
6 files changed, 52 insertions, 14 deletions
diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs
index f3ade9a28e..faee86c5c4 100644
--- a/hw/acpi/Makefile.objs
+++ b/hw/acpi/Makefile.objs
@@ -2,7 +2,7 @@ common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o pcihp.o
common-obj-$(CONFIG_ACPI_X86_ICH) += ich9.o tco.o
common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o cpu_hotplug_acpi_table.o
common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o memory_hotplug_acpi_table.o
-common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
+obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
common-obj-$(CONFIG_ACPI) += acpi_interface.o
common-obj-$(CONFIG_ACPI) += bios-linker-loader.o
common-obj-$(CONFIG_ACPI) += aml-build.o
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 49ee68e614..8568b20341 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -29,6 +29,7 @@
#include "qemu/osdep.h"
#include "hw/acpi/acpi.h"
#include "hw/acpi/aml-build.h"
+#include "hw/nvram/fw_cfg.h"
#include "hw/mem/nvdimm.h"
static int nvdimm_plugged_device_list(Object *obj, void *opaque)
@@ -370,6 +371,40 @@ static void nvdimm_build_nfit(GSList *device_list, GArray *table_offsets,
g_array_free(structures, true);
}
+static uint64_t
+nvdimm_dsm_read(void *opaque, hwaddr addr, unsigned size)
+{
+ return 0;
+}
+
+static void
+nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+}
+
+static const MemoryRegionOps nvdimm_dsm_ops = {
+ .read = nvdimm_dsm_read,
+ .write = nvdimm_dsm_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io,
+ FWCfgState *fw_cfg, Object *owner)
+{
+ memory_region_init_io(&state->io_mr, owner, &nvdimm_dsm_ops, state,
+ "nvdimm-acpi-io", NVDIMM_ACPI_IO_LEN);
+ memory_region_add_subregion(io, NVDIMM_ACPI_IO_BASE, &state->io_mr);
+
+ state->dsm_mem = g_array_new(false, true /* clear */, 1);
+ acpi_data_push(state->dsm_mem, TARGET_PAGE_SIZE);
+ fw_cfg_add_file(fw_cfg, NVDIMM_DSM_MEM_FILE, state->dsm_mem->data,
+ state->dsm_mem->len);
+}
+
#define NVDIMM_COMMON_DSM "NCAL"
static void nvdimm_build_common_dsm(Aml *dev)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 0e32395604..9ff3f5c94f 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -39,7 +39,6 @@
#include "hw/isa/isa.h"
#include "hw/block/fdc.h"
#include "hw/acpi/memory_hotplug.h"
-#include "hw/mem/nvdimm.h"
#include "sysemu/tpm.h"
#include "hw/acpi/tpm.h"
#include "sysemu/tpm_backend.h"
@@ -2659,13 +2658,6 @@ static bool acpi_has_iommu(void)
return intel_iommu && !ambiguous;
}
-static bool acpi_has_nvdimm(void)
-{
- PCMachineState *pcms = PC_MACHINE(qdev_get_machine());
-
- return pcms->nvdimm;
-}
-
static
void acpi_build(AcpiBuildTables *tables)
{
@@ -2750,7 +2742,7 @@ void acpi_build(AcpiBuildTables *tables)
build_dmar_q35(tables_blob, tables->linker);
}
- if (acpi_has_nvdimm()) {
+ if (pcms->acpi_nvdimm_state.is_enabled) {
nvdimm_build_acpi(table_offsets, tables_blob, tables->linker);
}
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 898f119977..b9541348ca 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1853,14 +1853,14 @@ static bool pc_machine_get_nvdimm(Object *obj, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
- return pcms->nvdimm;
+ return pcms->acpi_nvdimm_state.is_enabled;
}
static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp)
{
PCMachineState *pcms = PC_MACHINE(obj);
- pcms->nvdimm = value;
+ pcms->acpi_nvdimm_state.is_enabled = value;
}
static void pc_machine_initfn(Object *obj)
@@ -1899,7 +1899,7 @@ static void pc_machine_initfn(Object *obj)
&error_abort);
/* nvdimm is disabled on default. */
- pcms->nvdimm = false;
+ pcms->acpi_nvdimm_state.is_enabled = false;
object_property_add_bool(obj, PC_MACHINE_NVDIMM, pc_machine_get_nvdimm,
pc_machine_set_nvdimm, &error_abort);
}
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 6f8c2cd816..6a69b23abc 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -274,6 +274,11 @@ static void pc_init1(MachineState *machine,
if (pcmc->pci_enabled) {
pc_pci_device_init(pci_bus);
}
+
+ if (pcms->acpi_nvdimm_state.is_enabled) {
+ nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io,
+ pcms->fw_cfg, OBJECT(pcms));
+ }
}
/* Looking for a pc_compat_2_4() function? It doesn't exist.
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 46522c90da..17915b05c4 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -61,6 +61,7 @@ static void pc_q35_init(MachineState *machine)
PCIDevice *lpc;
BusState *idebus[MAX_SATA_PORTS];
ISADevice *rtc_state;
+ MemoryRegion *system_io = get_system_io();
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
MemoryRegion *ram_memory;
@@ -160,7 +161,7 @@ static void pc_q35_init(MachineState *machine)
q35_host->mch.ram_memory = ram_memory;
q35_host->mch.pci_address_space = pci_memory;
q35_host->mch.system_memory = get_system_memory();
- q35_host->mch.address_space_io = get_system_io();
+ q35_host->mch.address_space_io = system_io;
q35_host->mch.below_4g_mem_size = pcms->below_4g_mem_size;
q35_host->mch.above_4g_mem_size = pcms->above_4g_mem_size;
/* pci */
@@ -251,6 +252,11 @@ static void pc_q35_init(MachineState *machine)
if (pcmc->pci_enabled) {
pc_pci_device_init(host_bus);
}
+
+ if (pcms->acpi_nvdimm_state.is_enabled) {
+ nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io,
+ pcms->fw_cfg, OBJECT(pcms));
+ }
}
#define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-12 19:57:11 +0000