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Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL 17/29] hw/arm/virt: Add nvdimm hot-plug infrastructure Message-ID: <20200504142814.157589-18-mst@redhat.com> References: <20200504142814.157589-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200504142814.157589-1-mst@redhat.com> X-Mailer: git-send-email 2.24.1.751.gd10ce2899c X-Mutt-Fcc: =sent X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.120; envelope-from=mst@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/04 04:24:57 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Eric Auger , Shameer Kolothum , Shannon Zhao , qemu-arm@nongnu.org, Igor Mammedov , Kwangwoo Lee Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Kwangwoo Lee This adds support to init nvdimm acpi state and build nvdimm acpi tables. Please note nvdimm_support is not yet enabled. Signed-off-by: Kwangwoo Lee Signed-off-by: Eric Auger Signed-off-by: Shameer Kolothum Reviewed-by: Igor Mammedov Message-Id: <20200421125934.14952-4-shameerali.kolothum.thodi@huawei.com> Acked-by: Peter Maydell Tested-by: Eric Auger Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/arm/virt.h | 1 + hw/arm/virt-acpi-build.c | 6 ++++++ hw/arm/virt.c | 19 +++++++++++++++++++ hw/arm/Kconfig | 1 + hw/mem/Kconfig | 2 +- 5 files changed, 28 insertions(+), 1 deletion(-) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 60b2f521eb..6d67ace76e 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -79,6 +79,7 @@ enum { VIRT_SECURE_MEM, VIRT_PCDIMM_ACPI, VIRT_ACPI_GED, + VIRT_NVDIMM_ACPI, VIRT_LOWMEMMAP_LAST, }; =20 diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 81d41a3990..f22b1e6097 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -44,6 +44,7 @@ #include "hw/pci/pcie_host.h" #include "hw/pci/pci.h" #include "hw/arm/virt.h" +#include "hw/mem/nvdimm.h" #include "sysemu/numa.h" #include "sysemu/reset.h" #include "kvm_arm.h" @@ -826,6 +827,11 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildT= ables *tables) } } =20 + if (ms->nvdimms_state->is_enabled) { + nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, + ms->nvdimms_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 626822554d..87f29953c4 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -150,6 +150,7 @@ static const MemMapEntry base_memmap[] =3D { [VIRT_SMMU] =3D { 0x09050000, 0x00020000 }, [VIRT_PCDIMM_ACPI] =3D { 0x09070000, MEMORY_HOTPLUG_IO_LEN }, [VIRT_ACPI_GED] =3D { 0x09080000, ACPI_GED_EVT_SEL_LEN }, + [VIRT_NVDIMM_ACPI] =3D { 0x09090000, NVDIMM_ACPI_IO_LEN}, [VIRT_MMIO] =3D { 0x0a000000, 0x00000200 }, /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that siz= e */ [VIRT_PLATFORM_BUS] =3D { 0x0c000000, 0x02000000 }, @@ -1884,6 +1885,18 @@ static void machvirt_init(MachineState *machine) =20 create_platform_bus(vms); =20 + if (machine->nvdimms_state->is_enabled) { + const struct AcpiGenericAddress arm_virt_nvdimm_acpi_dsmio =3D { + .space_id =3D AML_AS_SYSTEM_MEMORY, + .address =3D vms->memmap[VIRT_NVDIMM_ACPI].base, + .bit_width =3D NVDIMM_ACPI_IO_LEN << 3 + }; + + nvdimm_init_acpi_state(machine->nvdimms_state, sysmem, + arm_virt_nvdimm_acpi_dsmio, + vms->fw_cfg, OBJECT(vms)); + } + vms->bootinfo.ram_size =3D machine->ram_size; vms->bootinfo.nb_cpus =3D smp_cpus; vms->bootinfo.board_id =3D -1; @@ -2095,6 +2108,8 @@ static void virt_memory_plug(HotplugHandler *hotplug_= dev, DeviceState *dev, Error **errp) { VirtMachineState *vms =3D VIRT_MACHINE(hotplug_dev); + MachineState *ms =3D MACHINE(hotplug_dev); + bool is_nvdimm =3D object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); Error *local_err =3D NULL; =20 pc_dimm_plug(PC_DIMM(dev), MACHINE(vms), &local_err); @@ -2102,6 +2117,10 @@ static void virt_memory_plug(HotplugHandler *hotplug= _dev, goto out; } =20 + if (is_nvdimm) { + nvdimm_plug(ms->nvdimms_state); + } + hotplug_handler_plug(HOTPLUG_HANDLER(vms->acpi_dev), dev, &error_abort); =20 diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 188419dc1e..5364172537 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -25,6 +25,7 @@ config ARM_VIRT select DIMM select ACPI_MEMORY_HOTPLUG select ACPI_HW_REDUCED + select ACPI_NVDIMM =20 config CHEETAH bool diff --git a/hw/mem/Kconfig b/hw/mem/Kconfig index 2ad052a536..c27844900d 100644 --- a/hw/mem/Kconfig +++ b/hw/mem/Kconfig @@ -8,4 +8,4 @@ config MEM_DEVICE config NVDIMM bool default y - depends on (PC || PSERIES) + depends on (PC || PSERIES || ARM_VIRT) --=20 MST