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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , CLEMENT MATHIEU--DRIF , Jason Wang , Yi Liu , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PULL 12/51] intel_iommu: Add an IOMMU index for pre-translated addresses Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent 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=170.10.129.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1770231871639158501 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: CLEMENT MATHIEU--DRIF Signed-off-by: Clement Mathieu--Drif Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Message-Id: <20251029105137.1097933-2-clement.mathieu--drif@eviden.com> --- hw/i386/intel_iommu.c | 13 +++++++++++++ hw/i386/intel_iommu_internal.h | 7 +++++++ 2 files changed, 20 insertions(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index e8a6f50a5a..80b21a6468 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -5601,6 +5601,17 @@ static const TypeInfo vtd_info =3D { .class_init =3D vtd_class_init, }; =20 +static int vtd_attrs_to_index(IOMMUMemoryRegion *iommu_mr, MemTxAttrs attr= s) +{ + return attrs.address_type =3D=3D PCI_AT_TRANSLATED ? + VTD_IDX_TRANSLATED : VTD_IDX_UNTRANSLATED; +} + +static int vtd_num_indexes(IOMMUMemoryRegion *iommu) +{ + return VTD_IDX_COUNT; +} + static void vtd_iommu_memory_region_class_init(ObjectClass *klass, const void *data) { @@ -5609,6 +5620,8 @@ static void vtd_iommu_memory_region_class_init(Object= Class *klass, imrc->translate =3D vtd_iommu_translate; imrc->notify_flag_changed =3D vtd_iommu_notify_flag_changed; imrc->replay =3D vtd_iommu_replay; + imrc->attrs_to_index =3D vtd_attrs_to_index; + imrc->num_indexes =3D vtd_num_indexes; } =20 static const TypeInfo vtd_iommu_memory_region_info =3D { diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index a2ca79f925..be757c290d 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -688,6 +688,13 @@ typedef struct VTDPIOTLBInvInfo { /* Bits to decide the offset for each level */ #define VTD_LEVEL_BITS 9 =20 +/* IOMMU Index */ +typedef enum VTDIOMMUIndex { + VTD_IDX_UNTRANSLATED =3D 0, /* Default */ + VTD_IDX_TRANSLATED =3D 1, + VTD_IDX_COUNT =3D 2, /* Number of supported indexes */ +} VTDIOMMUIndex; + typedef struct VTDHostIOMMUDevice { IntelIOMMUState *iommu_state; PCIBus *bus; --=20 MST