From patchwork Fri Jan 17 17:45:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shameerali Kolothum Thodi X-Patchwork-Id: 11339589 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 10BE513A0 for ; Fri, 17 Jan 2020 17:50:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E3FD82053B for ; Fri, 17 Jan 2020 17:50:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3FD82053B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:32910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1isVlf-0006oS-RE for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 Jan 2020 12:50:47 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55873) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1isVi8-0002MA-3v for qemu-devel@nongnu.org; Fri, 17 Jan 2020 12:47:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1isVi6-0007mL-LE for qemu-devel@nongnu.org; Fri, 17 Jan 2020 12:47:07 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:47266 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1isVi3-0007hV-L0; Fri, 17 Jan 2020 12:47:03 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id B288129EE4A26EDCDC6E; Sat, 18 Jan 2020 01:47:01 +0800 (CST) Received: from S00345302A-PC.china.huawei.com (10.202.227.237) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Sat, 18 Jan 2020 01:46:51 +0800 From: Shameer Kolothum To: , , , Subject: [PATCH v2 4/7] hw/arm/virt: Add nvdimm hot-plug infrastructure Date: Fri, 17 Jan 2020 17:45:19 +0000 Message-ID: <20200117174522.22044-5-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20200117174522.22044-1-shameerali.kolothum.thodi@huawei.com> References: <20200117174522.22044-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.202.227.237] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.35 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@linaro.org, xiaoguangrong.eric@gmail.com, mst@redhat.com, linuxarm@huawei.com, xuwei5@hisilicon.com, shannon.zhaosl@gmail.com, lersek@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Kwangwoo Lee Prepare pre-plug and plug handlers for NVDIMM support. Please note nvdimm_support is not yet enabled. Signed-off-by: Kwangwoo Lee Signed-off-by: Eric Auger Signed-off-by: Shameer Kolothum --- 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 c6e7782580..851dd81289 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -24,6 +24,7 @@ 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 bd5f771e9b..c51eae549e 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" @@ -839,6 +840,11 @@ 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 39ab5f47e0..7987c8f5b8 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -143,6 +143,7 @@ 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 }, @@ -1749,6 +1750,18 @@ 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; @@ -1936,6 +1949,8 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev, { HotplugHandlerClass *hhc; 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); @@ -1943,6 +1958,10 @@ static void virt_memory_plug(HotplugHandler *hotplug_dev, goto out; } + if (is_nvdimm) { + nvdimm_plug(ms->nvdimms_state); + } + hhc = HOTPLUG_HANDLER_GET_CLASS(vms->acpi_dev); hhc->plug(HOTPLUG_HANDLER(vms->acpi_dev), dev, &error_abort); out: diff --git a/hw/mem/Kconfig b/hw/mem/Kconfig index 620fd4cb59..0d5f8f321a 100644 --- a/hw/mem/Kconfig +++ b/hw/mem/Kconfig @@ -8,4 +8,4 @@ config MEM_DEVICE config NVDIMM bool default y - depends on PC + depends on PC || ARM_VIRT diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 38f0c33c77..9c9eaaa89d 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, };