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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1721743253; 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=N9/kCN81sHufGI2sBNo0AKR9w6L3px1fmwChM4EnCoc=; b=hLUru548snNc2yHr2IbPzzohaU1W+MCPa2ISUN9JC6QaMHKsML8N8Kfz2E3iOefAfQ0YGi YHh5XTrxqaXgd0Mbu0i8vne/ul4V5Itxao0deR5cHTOaS1QJvVY1PEBxItnYtB3vrLP9JB 3K/CNIsYbEZLcpaEHuOlpOzwn363D00= X-MC-Unique: iuzggiC1O_qbNF2lAxXMGw-1 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Joao Martins , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Zhenzhong Duan , Eric Auger Subject: [PULL 10/16] vfio/iommufd: Add hw_caps field to HostIOMMUDeviceCaps Date: Tue, 23 Jul 2024 16:00:13 +0200 Message-ID: <20240723140019.387786-11-clg@redhat.com> In-Reply-To: <20240723140019.387786-1-clg@redhat.com> References: <20240723140019.387786-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 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=clg@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=-0.133, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 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: 1721743355861116600 From: Joao Martins Store the value of @caps returned by iommufd_backend_get_device_info() in a new field HostIOMMUDeviceCaps::hw_caps. Right now the only value is whether device IOMMU supports dirty tracking (IOMMU_HW_CAP_DIRTY_TRACKING). This is in preparation for HostIOMMUDevice::realize() being called early during attach_device(). Signed-off-by: Joao Martins Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Zhenzhong Duan Reviewed-by: Eric Auger --- include/sysemu/host_iommu_device.h | 4 ++++ hw/vfio/iommufd.c | 1 + 2 files changed, 5 insertions(+) diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu= _device.h index d1c10ff7c239d9a0ae31894abe929e1e96b63ef2..809cced4ba5c56263132b474a38= 2e4bd0ffdd3cd 100644 --- a/include/sysemu/host_iommu_device.h +++ b/include/sysemu/host_iommu_device.h @@ -19,9 +19,13 @@ * struct HostIOMMUDeviceCaps - Define host IOMMU device capabilities. * * @type: host platform IOMMU type. + * + * @hw_caps: host platform IOMMU capabilities (e.g. on IOMMUFD this repres= ents + * the @out_capabilities value returned from IOMMU_GET_HW_INFO i= octl) */ typedef struct HostIOMMUDeviceCaps { uint32_t type; + uint64_t hw_caps; } HostIOMMUDeviceCaps; =20 #define TYPE_HOST_IOMMU_DEVICE "host-iommu-device" diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index f1e7cf3e9cafde08a0353876da973f3713006df3..fb87e64e443035bc239f4f4272a= e1c28fa8ab8c9 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -725,6 +725,7 @@ static bool hiod_iommufd_vfio_realize(HostIOMMUDevice *= hiod, void *opaque, =20 hiod->name =3D g_strdup(vdev->name); caps->type =3D type; + caps->hw_caps =3D hw_caps; =20 return true; } --=20 2.45.2