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bh=mqcE63CfOAlQUpwWTYprlvV2vd+VNunVacYwB1rAneQ=; b=Z5LpflDA7fWGhd25elLsdyNh1QeLSg1uw4bTscRpwpK7WbkMmq057f7njYR5eh60ujFpNH BvIg1/Vb+rYb8ZiITcFTcQvT2kd0RhcWTrUo9zdoRxl1Cdcyu9toF5tsmLuhGXfjT7zx05 Qwsdv/E7FPD36eTnvXY47DeF5mQo2Lo= X-MC-Unique: C9ssjOpUM-OtlYBHnwSxMw-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, alex.williamson@redhat.com, clg@redhat.com, jean-philippe@linaro.org, mst@redhat.com, pbonzini@redhat.com Cc: peter.maydell@linaro.org, peterx@redhat.com, david@redhat.com, philmd@linaro.org Subject: [PATCH 07/13] virtio-iommu: Implement set_iova_ranges() callback Date: Mon, 4 Sep 2023 10:03:50 +0200 Message-ID: <20230904080451.424731-8-eric.auger@redhat.com> In-Reply-To: <20230904080451.424731-1-eric.auger@redhat.com> References: <20230904080451.424731-1-eric.auger@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 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=170.10.133.124; envelope-from=eric.auger@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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1693814994649100002 Content-Type: text/plain; charset="utf-8" The implementation populates the array of per IOMMUDevice host reserved regions. Signed-off-by: Eric Auger --- include/hw/virtio/virtio-iommu.h | 2 ++ hw/virtio/virtio-iommu.c | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-io= mmu.h index 70b8ace34d..31b69c8261 100644 --- a/include/hw/virtio/virtio-iommu.h +++ b/include/hw/virtio/virtio-iommu.h @@ -40,6 +40,8 @@ typedef struct IOMMUDevice { MemoryRegion root; /* The root container of the device */ MemoryRegion bypass_mr; /* The alias of shared memory MR */ GList *resv_regions; + Range *host_resv_regions; + uint32_t nr_host_resv_regions; } IOMMUDevice; =20 typedef struct IOMMUPciBus { diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index ea359b586a..02f1a59d57 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu/log.h" #include "qemu/iov.h" +#include "qemu/range.h" #include "exec/target_page.h" #include "hw/qdev-properties.h" #include "hw/virtio/virtio.h" @@ -1158,6 +1159,21 @@ static int virtio_iommu_set_page_size_mask(IOMMUMemo= ryRegion *mr, return 0; } =20 +static int virtio_iommu_set_iova_ranges(IOMMUMemoryRegion *mr, + uint32_t nr_ranges, + struct Range *iova_ranges, + Error **errp) +{ + IOMMUDevice *sdev =3D container_of(mr, IOMMUDevice, iommu_mr); + assert(nr_ranges); + + + range_inverse_array(nr_ranges, iova_ranges, + &sdev->nr_host_resv_regions, &sdev->host_resv_regi= ons); + + return 0; +} + static void virtio_iommu_system_reset(void *opaque) { VirtIOIOMMU *s =3D opaque; @@ -1453,6 +1469,7 @@ static void virtio_iommu_memory_region_class_init(Obj= ectClass *klass, imrc->replay =3D virtio_iommu_replay; imrc->notify_flag_changed =3D virtio_iommu_notify_flag_changed; imrc->iommu_set_page_size_mask =3D virtio_iommu_set_page_size_mask; + imrc->iommu_set_iova_ranges =3D virtio_iommu_set_iova_ranges; } =20 static const TypeInfo virtio_iommu_info =3D { --=20 2.41.0