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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719264383; 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=V9Xxpw6hFNbZAaPpfxh018kdn7i18l2cZpestljZF00=; b=EYSmmjBy39+F76CMDjr2y2dMF/x+5H/XMQsDTIqBCBIZVNeRXtqs0+NcT4y3rvqD2cS6Bi zlCg6RhQ3+ZrJJ5QkPOj/ZShhxTHDKoOXUSlC/ELddvKH6A35Aip4Dtk7xk3FFXOSWMazS EHG5a87l6NaGUXlI1jMflf0iV1A2Hng= X-MC-Unique: 3s2r6EVMPamHmxQgonLj5Q-1 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Zhenzhong Duan , Eric Auger Subject: [PULL 31/42] vfio/container: Simplify vfio_container_init() Date: Mon, 24 Jun 2024 23:24:45 +0200 Message-ID: <20240624212456.350919-32-clg@redhat.com> In-Reply-To: <20240624212456.350919-1-clg@redhat.com> References: <20240624212456.350919-1-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 10.30.177.17 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: 10 X-Spam_score: 1.0 X-Spam_bar: + X-Spam_report: (1.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.207, 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: 1719264560704100005 Assign the base container VFIOAddressSpace 'space' pointer in vfio_address_space_insert(). The ultimate goal is to remove vfio_container_init() and instead rely on an .instance_init() handler to perfom the initialization of VFIOContainerBase. To be noted that vfio_connect_container() will assign the 'space' pointer later in the execution flow. This should not have any consequence. Reviewed-by: Zhenzhong Duan Tested-by: Eric Auger Signed-off-by: C=C3=A9dric Le Goater --- include/hw/vfio/vfio-container-base.h | 1 - hw/vfio/common.c | 1 + hw/vfio/container-base.c | 3 +-- hw/vfio/container.c | 6 +++--- hw/vfio/iommufd.c | 2 +- 5 files changed, 6 insertions(+), 7 deletions(-) diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-c= ontainer-base.h index 442c0dfc4c1774753c239c2c8360dcd1540d44fa..d505f63607ec40e6aa44aeb3e20= 848ac780562a1 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -87,7 +87,6 @@ int vfio_container_query_dirty_bitmap(const VFIOContainer= Base *bcontainer, VFIOBitmap *vbmap, hwaddr iova, hwaddr size, Error **er= rp); =20 void vfio_container_init(VFIOContainerBase *bcontainer, - VFIOAddressSpace *space, const VFIOIOMMUClass *ops); void vfio_container_destroy(VFIOContainerBase *bcontainer); =20 diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 8cdf26c6f5a490cfa02bdf1087a91948709aaa33..1686a0bed23bd95467bfb00a0c3= 9a4d966e49cae 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1512,6 +1512,7 @@ void vfio_address_space_insert(VFIOAddressSpace *spac= e, VFIOContainerBase *bcontainer) { QLIST_INSERT_HEAD(&space->containers, bcontainer, next); + bcontainer->space =3D space; } =20 struct vfio_device_info *vfio_get_device_info(int fd) diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index 760d9d0622b2e847ecb3368c88df772efb06043f..280f0dd2db1fc3939fe9925ce00= a2c50d0e14196 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -71,11 +71,10 @@ int vfio_container_query_dirty_bitmap(const VFIOContain= erBase *bcontainer, errp); } =20 -void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *= space, +void vfio_container_init(VFIOContainerBase *bcontainer, const VFIOIOMMUClass *ops) { bcontainer->ops =3D ops; - bcontainer->space =3D space; bcontainer->error =3D NULL; bcontainer->dirty_pages_supported =3D false; bcontainer->dma_max_mappings =3D 0; diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 0237c216987ff64a6d11bef8688bb000d93a7f09..dc85a79cb9e62b72312f79da994= c53608b6cef48 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -394,7 +394,7 @@ static const VFIOIOMMUClass *vfio_get_iommu_class(int i= ommu_type, Error **errp) } =20 static bool vfio_set_iommu(VFIOContainer *container, int group_fd, - VFIOAddressSpace *space, Error **errp) + Error **errp) { int iommu_type; const VFIOIOMMUClass *vioc; @@ -432,7 +432,7 @@ static bool vfio_set_iommu(VFIOContainer *container, in= t group_fd, return false; } =20 - vfio_container_init(&container->bcontainer, space, vioc); + vfio_container_init(&container->bcontainer, vioc); return true; } =20 @@ -614,7 +614,7 @@ static bool vfio_connect_container(VFIOGroup *group, Ad= dressSpace *as, container->fd =3D fd; bcontainer =3D &container->bcontainer; =20 - if (!vfio_set_iommu(container, group->fd, space, errp)) { + if (!vfio_set_iommu(container, group->fd, errp)) { goto free_container_exit; } =20 diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c index 9f8f33e383a38827ceca0f73cb77f5ca6b123198..e5d9334142418514215528b9523= f12c031792c7f 100644 --- a/hw/vfio/iommufd.c +++ b/hw/vfio/iommufd.c @@ -357,7 +357,7 @@ static bool iommufd_cdev_attach(const char *name, VFIOD= evice *vbasedev, container->ioas_id =3D ioas_id; =20 bcontainer =3D &container->bcontainer; - vfio_container_init(bcontainer, space, iommufd_vioc); + vfio_container_init(bcontainer, iommufd_vioc); vfio_address_space_insert(space, bcontainer); =20 if (!iommufd_cdev_attach_container(vbasedev, container, errp)) { --=20 2.45.2