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Mon, 23 Mar 2020 11:23:07 -0400 X-MC-Unique: DskXZGD2Payv6cu47_idaA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D9F9C107ACC4; Mon, 23 Mar 2020 15:23:05 +0000 (UTC) Received: from localhost (unknown [10.40.208.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id C65A419C70; Mon, 23 Mar 2020 15:22:44 +0000 (UTC) Date: Mon, 23 Mar 2020 16:22:43 +0100 From: Igor Mammedov To: Shameer Kolothum Subject: Re: [PATCH v3 06/10] hw/arm/virt: Add nvdimm hot-plug infrastructure Message-ID: <20200323162243.4e1574c4@redhat.com> In-Reply-To: <20200311172014.33052-7-shameerali.kolothum.thodi@huawei.com> References: <20200311172014.33052-1-shameerali.kolothum.thodi@huawei.com> <20200311172014.33052-7-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 63.128.21.74 X-BeenThere: qemu-arm@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@linaro.org, xiaoguangrong.eric@gmail.com, david@redhat.com, shannon.zhaosl@gmail.com, mst@redhat.com, qemu-devel@nongnu.org, xuwei5@hisilicon.com, linuxarm@huawei.com, eric.auger@redhat.com, qemu-arm@nongnu.org, lersek@redhat.com Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: 2c7X5pxS9nTs On Wed, 11 Mar 2020 17:20:10 +0000 Shameer Kolothum wrote: > 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 > --- > v2 -> v3 > -Modified commit log. > --- > hw/arm/Kconfig | 1 + > hw/arm/virt-acpi-build.c | 6 ++++++ > hw/arm/virt.c | 19 +++++++++++++++++++ > hw/mem/Kconfig | 2 +- > include/hw/arm/virt.h | 1 + > 5 files changed, 28 insertions(+), 1 deletion(-) > > diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig > index bc54fd61f9..b023c0ecd5 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 > > config CHEETAH > bool > diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c > index c13710b727..b7d666b7a4 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, AcpiBuildTables *tables) > } > } > > + 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 32d865a488..18178553fa 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -148,6 +148,7 @@ static const MemMapEntry base_memmap[] = { > [VIRT_SMMU] = { 0x09050000, 0x00020000 }, > [VIRT_PCDIMM_ACPI] = { 0x09070000, MEMORY_HOTPLUG_IO_LEN }, > [VIRT_ACPI_GED] = { 0x09080000, ACPI_GED_EVT_SEL_LEN }, > + [VIRT_NVDIMM_ACPI] = { 0x09090000, NVDIMM_ACPI_IO_LEN}, > [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, > /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ > [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, > @@ -1784,6 +1785,18 @@ static void machvirt_init(MachineState *machine) > > create_platform_bus(vms); > > + if (machine->nvdimms_state->is_enabled) { > + const struct AcpiGenericAddress arm_virt_nvdimm_acpi_dsmio = { > + .space_id = AML_AS_SYSTEM_MEMORY, > + .address = vms->memmap[VIRT_NVDIMM_ACPI].base, > + .bit_width = 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 = machine->ram_size; > vms->bootinfo.nb_cpus = smp_cpus; > vms->bootinfo.board_id = -1; > @@ -1970,6 +1983,8 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev, > DeviceState *dev, Error **errp) > { > VirtMachineState *vms = VIRT_MACHINE(hotplug_dev); > + MachineState *ms = MACHINE(hotplug_dev); > + bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); > Error *local_err = NULL; > > pc_dimm_plug(PC_DIMM(dev), MACHINE(vms), &local_err); > @@ -1977,6 +1992,10 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev, > goto out; > } > > + if (is_nvdimm) { > + nvdimm_plug(ms->nvdimms_state); > + } > + > hotplug_handler_plug(HOTPLUG_HANDLER(vms->acpi_dev), > dev, &error_abort); > > 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) > diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h > index 02f500cb8e..59588d18db 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, > }; >