From patchwork Wed Feb 21 20:58:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 1902398 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=LqJ87Paj; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tg7wd2LBnz20Qg for ; Thu, 22 Feb 2024 08:01:05 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rctgt-0000xP-3c; Wed, 21 Feb 2024 15:59:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rctgo-0000qN-VS for qemu-devel@nongnu.org; Wed, 21 Feb 2024 15:59:40 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rctgn-0005nr-C2 for qemu-devel@nongnu.org; Wed, 21 Feb 2024 15:59:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1708549176; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/htpsK4RQi0FAuTma8gr+88eSD8QbIFBtEt7Y+D+K5o=; b=LqJ87PajEYoZFoXbq4FbKiAmM76yZhI3GSXPphRpKL0kTb55nB74ITNR0f39MnMdkNn2cq /lq7u608BgGnNdsnx/bO1KGxmmwndWvIikKerf9QCSM1aEJGJyt4+uBRwO22xxP93AbosP YM7+EdZsgld8B0YWtTtIoqPGkTucAG0= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-474-O2HA6iWvOTiZJPGrupd8pQ-1; Wed, 21 Feb 2024 15:59:35 -0500 X-MC-Unique: O2HA6iWvOTiZJPGrupd8pQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DB9783C025B9; Wed, 21 Feb 2024 20:59:34 +0000 (UTC) Received: from laptop.redhat.com (unknown [10.39.195.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9CB4D2864; Wed, 21 Feb 2024 20:59:31 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, mst@redhat.com, jean-philippe@linaro.org, peter.maydell@linaro.org, clg@redhat.com, yanghliu@redhat.com Cc: alex.williamson@redhat.com, zhenzhong.duan@intel.com, jasowang@redhat.com, pbonzini@redhat.com, berrange@redhat.com Subject: [PATCH v3 1/3] qdev: Add a granule_mode property Date: Wed, 21 Feb 2024 21:58:26 +0100 Message-ID: <20240221205926.40066-2-eric.auger@redhat.com> In-Reply-To: <20240221205926.40066-1-eric.auger@redhat.com> References: <20240221205926.40066-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eric.auger@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.05, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Introduce a new enum type property allowing to set an IOMMU granule. Values are 4K, 16K, 64K and host. This latter indicates the vIOMMU granule will matches the host page size. A subsequent patch will add such a property to the virtio-iommu device. Signed-off-by: Eric Auger --- include/hw/qdev-properties-system.h | 3 +++ include/hw/virtio/virtio-iommu.h | 11 +++++++++++ hw/core/qdev-properties-system.c | 15 +++++++++++++++ hw/virtio/virtio-iommu.c | 10 ++++++++++ 4 files changed, 39 insertions(+) diff --git a/include/hw/qdev-properties-system.h b/include/hw/qdev-properties-system.h index 06c359c190..626be87dd3 100644 --- a/include/hw/qdev-properties-system.h +++ b/include/hw/qdev-properties-system.h @@ -8,6 +8,7 @@ extern const PropertyInfo qdev_prop_macaddr; extern const PropertyInfo qdev_prop_reserved_region; extern const PropertyInfo qdev_prop_multifd_compression; extern const PropertyInfo qdev_prop_mig_mode; +extern const PropertyInfo qdev_prop_granule_mode; extern const PropertyInfo qdev_prop_losttickpolicy; extern const PropertyInfo qdev_prop_blockdev_on_error; extern const PropertyInfo qdev_prop_bios_chs_trans; @@ -47,6 +48,8 @@ extern const PropertyInfo qdev_prop_iothread_vq_mapping_list; #define DEFINE_PROP_MIG_MODE(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_mig_mode, \ MigMode) +#define DEFINE_PROP_GRANULE_MODE(_n, _s, _f, _d) \ + DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_granule_mode, GranuleMode) #define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \ DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_losttickpolicy, \ LostTickPolicy) diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h index 5fbe4677c2..a82c4fa471 100644 --- a/include/hw/virtio/virtio-iommu.h +++ b/include/hw/virtio/virtio-iommu.h @@ -31,6 +31,16 @@ OBJECT_DECLARE_SIMPLE_TYPE(VirtIOIOMMU, VIRTIO_IOMMU) #define TYPE_VIRTIO_IOMMU_MEMORY_REGION "virtio-iommu-memory-region" +typedef enum GranuleMode { + GRANULE_MODE_4K, + GRANULE_MODE_16K, + GRANULE_MODE_64K, + GRANULE_MODE_HOST, + GRANULE_MODE__MAX, +} GranuleMode; + +extern const QEnumLookup GranuleMode_lookup; + typedef struct IOMMUDevice { void *viommu; PCIBus *bus; @@ -67,6 +77,7 @@ struct VirtIOIOMMU { Notifier machine_done; bool granule_frozen; uint8_t aw_bits; + GranuleMode granule_mode; }; #endif diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c index 1a396521d5..3a0b36a7a7 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -34,6 +34,7 @@ #include "net/net.h" #include "hw/pci/pci.h" #include "hw/pci/pcie.h" +#include "hw/virtio/virtio-iommu.h" #include "hw/i386/x86.h" #include "util/block-helpers.h" @@ -679,6 +680,20 @@ const PropertyInfo qdev_prop_mig_mode = { .set_default_value = qdev_propinfo_set_default_value_enum, }; +/* --- GranuleMode --- */ + +QEMU_BUILD_BUG_ON(sizeof(GranuleMode) != sizeof(int)); + +const PropertyInfo qdev_prop_granule_mode = { + .name = "GranuleMode", + .description = "granule_mode values, " + "4K, 16K, 64K, host", + .enum_table = &GranuleMode_lookup, + .get = qdev_propinfo_get_enum, + .set = qdev_propinfo_set_enum, + .set_default_value = qdev_propinfo_set_default_value_enum, +}; + /* --- Reserved Region --- */ /* diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 2ec5ef3cd1..2ce5839c60 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -44,6 +44,16 @@ #define VIOMMU_DEFAULT_QUEUE_SIZE 256 #define VIOMMU_PROBE_SIZE 512 +const QEnumLookup GranuleMode_lookup = { + .array = (const char *const[]) { + [GRANULE_MODE_4K] = "4K", + [GRANULE_MODE_16K] = "16K", + [GRANULE_MODE_64K] = "64K", + [GRANULE_MODE_HOST] = "host", + }, + .size = GRANULE_MODE__MAX +}; + typedef struct VirtIOIOMMUDomain { uint32_t id; bool bypass;