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Fri, 20 Mar 2020 16:59:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584723592; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WL0ZvBoB0+XeBxLRP2xltK9U+qv+Rol4ZQFL6ezhHPc=; b=gfPTA4NUel/YKaWx23b9cpEKJFRqUvJ6+AbtZdq3B8B5c8t2TuJ5vuHmSzethVIcMJXyHP MQ2iiB3icI1jaZGD4OEs5LdS8gahlaD/PG1BhGTFaq2x1gg/mi8Bh7/TkAQcYvlrrHsqQ6 EMtc7p9l4H4zvvLVklPosTcWj2FDN3Q= X-MC-Unique: uswLVvt5Od6fSxHijmEw1Q-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, mst@redhat.com, alex.williamson@redhat.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com Subject: [RFC v6 04/24] memory: Add IOMMU_ATTR_MSI_TRANSLATE IOMMU memory region attribute Date: Fri, 20 Mar 2020 17:58:20 +0100 Message-Id: <20200320165840.30057-5-eric.auger@redhat.com> In-Reply-To: <20200320165840.30057-1-eric.auger@redhat.com> References: <20200320165840.30057-1-eric.auger@redhat.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-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 216.205.24.74 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: jean-philippe@linaro.org, tnowicki@marvell.com, maz@kernel.org, zhangfei.gao@foxmail.com, peterx@redhat.com, shameerali.kolothum.thodi@huawei.com, zhangfei.gao@linaro.org, bbhushan2@marvell.com, will@kernel.org 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" We introduce a new IOMMU Memory Region attribute, IOMMU_ATTR_MSI_TRANSLATE which tells whether the virtual IOMMU translates MSIs. ARM SMMU will expose this attribute since, as opposed to Intel DMAR, MSIs are translated as any other DMA requests. Signed-off-by: Eric Auger --- include/exec/memory.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index b9d2f0a437..f2c773163f 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -215,6 +215,7 @@ typedef struct MemoryRegionClass { enum IOMMUMemoryRegionAttr { IOMMU_ATTR_SPAPR_TCE_FD, IOMMU_ATTR_VFIO_NESTED, + IOMMU_ATTR_MSI_TRANSLATE, }; =20 /** --=20 2.20.1