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[Qemu-devel] [RFC v4 14/16] hw/arm/virt: Add nvdimm hot-plug infrastruct
From: |
Eric Auger |
Subject: |
[Qemu-devel] [RFC v4 14/16] hw/arm/virt: Add nvdimm hot-plug infrastructure |
Date: |
Thu, 18 Oct 2018 16:30:40 +0200 |
From: Kwangwoo Lee <address@hidden>
Pre-plug and plug handlers are prepared for NVDIMM support.
Signed-off-by: Eric Auger <address@hidden>
Signed-off-by: Kwangwoo Lee <address@hidden>
---
default-configs/arm-softmmu.mak | 2 ++
hw/arm/virt-acpi-build.c | 6 ++++++
hw/arm/virt.c | 22 ++++++++++++++++++++++
include/hw/arm/virt.h | 3 +++
4 files changed, 33 insertions(+)
diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak
index 1c110cfe7f..466b3d2c39 100644
--- a/default-configs/arm-softmmu.mak
+++ b/default-configs/arm-softmmu.mak
@@ -160,4 +160,6 @@ CONFIG_STRONGARM=y
CONFIG_HIGHBANK=y
CONFIG_MUSICPAL=y
CONFIG_MEM_HOTPLUG=y
+CONFIG_NVDIMM=y
+CONFIG_ACPI_NVDIMM=y
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 8818bbf5ec..dc100dd4c0 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -808,6 +808,7 @@ static
void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
{
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms);
+ MachineState *ms = MACHINE(vms);
GArray *table_offsets;
unsigned dsdt, xsdt;
GArray *tables_blob = tables->table_data;
@@ -848,6 +849,11 @@ void virt_acpi_build(VirtMachineState *vms,
AcpiBuildTables *tables)
}
}
+ if (vms->acpi_nvdimm_state.is_enabled) {
+ nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
+ &vms->acpi_nvdimm_state, ms->ram_slots);
+ }
+
if (its_class_name() && !vmc->no_its) {
acpi_add_table(table_offsets, tables_blob);
build_iort(tables_blob, tables->linker, vms);
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 1548e9480a..d84d5a5841 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -141,6 +141,7 @@ static const MemMapEntry a15memmap[] = {
[VIRT_GPIO] = { 0x09030000, 0x00001000 },
[VIRT_SECURE_UART] = { 0x09040000, 0x00001000 },
[VIRT_SMMU] = { 0x09050000, 0x00020000 },
+ [VIRT_ACPI_IO] = { 0x09070000, 0x00010000 },
[VIRT_MMIO] = { 0x0a000000, 0x00000200 },
/* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */
[VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 },
@@ -1609,6 +1610,18 @@ static void machvirt_init(MachineState *machine)
create_platform_bus(vms, pic);
+ if (vms->acpi_nvdimm_state.is_enabled) {
+ AcpiNVDIMMState *acpi_nvdimm_state = &vms->acpi_nvdimm_state;
+
+ acpi_nvdimm_state->dsm_io.type = NVDIMM_ACPI_IO_MEMORY;
+ acpi_nvdimm_state->dsm_io.base =
+ vms->memmap[VIRT_ACPI_IO].base + NVDIMM_ACPI_IO_BASE;
+ acpi_nvdimm_state->dsm_io.len = NVDIMM_ACPI_IO_LEN;
+
+ nvdimm_init_acpi_state(acpi_nvdimm_state, sysmem,
+ vms->fw_cfg, OBJECT(vms));
+ }
+
vms->bootinfo.ram_size = machine->ram_size;
vms->bootinfo.kernel_filename = machine->kernel_filename;
vms->bootinfo.kernel_cmdline = machine->kernel_cmdline;
@@ -1794,10 +1807,19 @@ static void virt_memory_plug(HotplugHandler
*hotplug_dev,
DeviceState *dev, Error **errp)
{
VirtMachineState *vms = VIRT_MACHINE(hotplug_dev);
+ bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
Error *local_err = NULL;
pc_dimm_plug(dev, MACHINE(vms), &local_err);
+ if (local_err) {
+ goto out;
+ }
+ if (is_nvdimm) {
+ nvdimm_plug(&vms->acpi_nvdimm_state);
+ }
+
+out:
error_propagate(errp, local_err);
}
diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index 032d88f4c4..974a110a38 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -37,6 +37,7 @@
#include "hw/arm/arm.h"
#include "sysemu/kvm.h"
#include "hw/intc/arm_gicv3_common.h"
+#include "hw/mem/nvdimm.h"
#define NUM_GICV2M_SPIS 64
#define NUM_VIRTIO_TRANSPORTS 32
@@ -81,6 +82,7 @@ enum {
VIRT_SECURE_UART,
VIRT_SECURE_MEM,
VIRT_DEVICE_MEM,
+ VIRT_ACPI_IO,
};
typedef enum VirtIOMMUType {
@@ -128,6 +130,7 @@ typedef struct {
uint32_t msi_phandle;
uint32_t iommu_phandle;
int psci_conduit;
+ AcpiNVDIMMState acpi_nvdimm_state;
} VirtMachineState;
#define VIRT_ECAM_ID(high) (high ? VIRT_PCIE_ECAM_HIGH : VIRT_PCIE_ECAM)
--
2.17.1
- [Qemu-devel] [RFC v4 07/16] hw/arm/virt: Implement kvm_type function for 3.2 machine, (continued)
- [Qemu-devel] [RFC v4 07/16] hw/arm/virt: Implement kvm_type function for 3.2 machine, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 09/16] hw/arm/virt: Add memory hotplug framework, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 10/16] hw/arm/boot: Expose the PC-DIMM nodes in the DT, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 12/16] hw/arm/virt-acpi-build: Add PC-DIMM in SRAT, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 11/16] acpi: move build_srat_hotpluggable_memory to generic ACPI source, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 13/16] nvdimm: use configurable ACPI IO base and size, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 15/16] hw/arm/boot: Expose the pmem nodes in the DT, Eric Auger, 2018/10/18
- [Qemu-devel] [RFC v4 14/16] hw/arm/virt: Add nvdimm hot-plug infrastructure,
Eric Auger <=
- [Qemu-devel] [RFC v4 16/16] hw/arm/virt: Add nvdimm and nvdimm-persistence options, Eric Auger, 2018/10/18