From patchwork Mon Oct 16 08:32:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 13422730 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5035BCDB474 for ; Mon, 16 Oct 2023 08:49:48 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qsJGU-0007hZ-25; Mon, 16 Oct 2023 04:47:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qsJGM-0007an-Qt for qemu-devel@nongnu.org; Mon, 16 Oct 2023 04:47:52 -0400 Received: from mgamail.intel.com ([192.55.52.151]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qsJGJ-0001AB-U8 for qemu-devel@nongnu.org; Mon, 16 Oct 2023 04:47:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697446063; x=1728982063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+pVnJWeuf5IGR1SJs6p3ezEqVedUcS3tsyfw5pT1jVU=; b=jm7N93/PmxKXQ7xZ6YRe53BJZzg3fZixmhcCYpskAXoXJQj0PvALn3u5 bjoB6AkrmWqlPjM1sjTsYtXy85RUwuKpzT1gNlUpf0M3e5ZVNH6jOxWeM WUZUdvw0UqkqP24iyuf1Bb+V1ZiCd8TIMQ7fc1r2ChHZZ6+GBpcTlYpjt /MM/t9euaUt93FNuiuLZaIiXmqrxU3KcZz97ZGsC9pyvju4xx+yS8CQjC MPCLMCymYhUiL45k6tK1kx05CrVlrUSTgURJJLSZ1S97cph45vtGeT2aT ebyWiQUu4LS7x6ExaflnImbdWBYqoUEfW7w335z3vTxPkMaun/V4faGO4 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="365737546" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="365737546" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 01:47:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="749222709" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="749222709" Received: from duan-server-s2600bt.bj.intel.com ([10.240.192.147]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2023 01:47:38 -0700 From: Zhenzhong Duan To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, clg@redhat.com, jgg@nvidia.com, nicolinc@nvidia.com, joao.m.martins@oracle.com, eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, chao.p.peng@intel.com, Yi Sun , Zhenzhong Duan Subject: [PATCH v2 06/27] vfio/container: Move space field to base container Date: Mon, 16 Oct 2023 16:32:02 +0800 Message-Id: <20231016083223.1519410-7-zhenzhong.duan@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231016083223.1519410-1-zhenzhong.duan@intel.com> References: <20231016083223.1519410-1-zhenzhong.duan@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.55.52.151; envelope-from=zhenzhong.duan@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Eric Auger Move the space field to the base object. Also the VFIOAddressSpace now contains a list of base containers. No fucntional change intended. Signed-off-by: Eric Auger Signed-off-by: Yi Liu Signed-off-by: Yi Sun Signed-off-by: Zhenzhong Duan --- include/hw/vfio/vfio-common.h | 8 -------- include/hw/vfio/vfio-container-base.h | 9 +++++++++ hw/vfio/common.c | 4 ++-- hw/vfio/container-base.c | 4 ++++ hw/vfio/container.c | 28 +++++++++++++-------------- 5 files changed, 29 insertions(+), 24 deletions(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 884d1627f4..33f475957c 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -73,17 +73,10 @@ typedef struct VFIOMigration { bool initial_data_sent; } VFIOMigration; -typedef struct VFIOAddressSpace { - AddressSpace *as; - QLIST_HEAD(, VFIOLegacyContainer) containers; - QLIST_ENTRY(VFIOAddressSpace) list; -} VFIOAddressSpace; - struct VFIOGroup; typedef struct VFIOLegacyContainer { VFIOContainer bcontainer; - VFIOAddressSpace *space; int fd; /* /dev/vfio/vfio, empowered by the attached groups */ MemoryListener listener; MemoryListener prereg_listener; @@ -98,7 +91,6 @@ typedef struct VFIOLegacyContainer { QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list; QLIST_HEAD(, VFIOGroup) group_list; QLIST_HEAD(, VFIORamDiscardListener) vrdl_list; - QLIST_ENTRY(VFIOLegacyContainer) next; QLIST_HEAD(, VFIODevice) device_list; } VFIOLegacyContainer; diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index b6c8eb2313..9504564f4e 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -33,6 +33,12 @@ typedef struct VFIOContainer VFIOContainer; typedef struct VFIODevice VFIODevice; typedef struct VFIOIOMMUBackendOpsClass VFIOIOMMUBackendOpsClass; +typedef struct VFIOAddressSpace { + AddressSpace *as; + QLIST_HEAD(, VFIOContainer) containers; + QLIST_ENTRY(VFIOAddressSpace) list; +} VFIOAddressSpace; + typedef struct VFIOGuestIOMMU { VFIOContainer *bcontainer; IOMMUMemoryRegion *iommu_mr; @@ -52,7 +58,9 @@ typedef struct { */ struct VFIOContainer { VFIOIOMMUBackendOpsClass *ops; + VFIOAddressSpace *space; QLIST_HEAD(, VFIOGuestIOMMU) giommu_list; + QLIST_ENTRY(VFIOContainer) next; }; int vfio_container_dma_map(VFIOContainer *bcontainer, @@ -63,6 +71,7 @@ int vfio_container_dma_unmap(VFIOContainer *bcontainer, IOMMUTLBEntry *iotlb); void vfio_container_init(VFIOContainer *bcontainer, + VFIOAddressSpace *space, struct VFIOIOMMUBackendOpsClass *ops); void vfio_container_destroy(VFIOContainer *bcontainer); diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 1adfdca4f5..c92af34eed 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -152,7 +152,7 @@ void vfio_unblock_multiple_devices_migration(void) bool vfio_viommu_preset(VFIODevice *vbasedev) { - return vbasedev->container->space->as != &address_space_memory; + return vbasedev->container->bcontainer.space->as != &address_space_memory; } static void vfio_set_migration_error(int err) @@ -990,7 +990,7 @@ static void vfio_dirty_tracking_init(VFIOLegacyContainer *container, dirty.container = container; memory_listener_register(&dirty.listener, - container->space->as); + container->bcontainer.space->as); *ranges = dirty.ranges; diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index 6da50e8151..e1056dd78e 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -49,9 +49,11 @@ int vfio_container_dma_unmap(VFIOContainer *bcontainer, } void vfio_container_init(VFIOContainer *bcontainer, + VFIOAddressSpace *space, struct VFIOIOMMUBackendOpsClass *ops) { bcontainer->ops = ops; + bcontainer->space = space; QLIST_INIT(&bcontainer->giommu_list); } @@ -59,6 +61,8 @@ void vfio_container_destroy(VFIOContainer *bcontainer) { VFIOGuestIOMMU *giommu, *tmp; + QLIST_REMOVE(bcontainer, next); + QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) { memory_region_unregister_iommu_notifier( MEMORY_REGION(giommu->iommu_mr), &giommu->n); diff --git a/hw/vfio/container.c b/hw/vfio/container.c index de6b018eeb..fd2d602fb9 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -588,7 +588,8 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, * details once we know which type of IOMMU we are using. */ - QLIST_FOREACH(container, &space->containers, next) { + QLIST_FOREACH(bcontainer, &space->containers, next) { + container = container_of(bcontainer, VFIOLegacyContainer, bcontainer); if (!ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &container->fd)) { ret = vfio_ram_block_discard_disable(container, true); if (ret) { @@ -624,7 +625,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, } container = g_malloc0(sizeof(*container)); - container->space = space; container->fd = fd; container->error = NULL; container->dirty_pages_supported = false; @@ -632,7 +632,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, QLIST_INIT(&container->hostwin_list); QLIST_INIT(&container->vrdl_list); bcontainer = &container->bcontainer; - vfio_container_init(bcontainer, ops); + vfio_container_init(bcontainer, space, ops); ret = vfio_init_container(container, group->fd, errp); if (ret) { @@ -750,14 +750,15 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, vfio_kvm_device_add_group(group); QLIST_INIT(&container->group_list); - QLIST_INSERT_HEAD(&space->containers, container, next); + QLIST_INSERT_HEAD(&space->containers, bcontainer, next); group->container = container; QLIST_INSERT_HEAD(&container->group_list, group, container_next); container->listener = vfio_memory_listener; - memory_listener_register(&container->listener, container->space->as); + memory_listener_register(&container->listener, + container->bcontainer.space->as); if (container->error) { ret = -1; @@ -771,7 +772,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, return 0; listener_release_exit: QLIST_REMOVE(group, container_next); - QLIST_REMOVE(container, next); + QLIST_REMOVE(bcontainer, next); vfio_kvm_device_del_group(group); vfio_listener_release(container); @@ -813,10 +814,9 @@ static void vfio_disconnect_container(VFIOGroup *group) } if (QLIST_EMPTY(&container->group_list)) { - VFIOAddressSpace *space = container->space; + VFIOAddressSpace *space = container->bcontainer.space; VFIOHostDMAWindow *hostwin, *next; - QLIST_REMOVE(container, next); vfio_container_destroy(bcontainer); QLIST_FOREACH_SAFE(hostwin, &container->hostwin_list, hostwin_next, @@ -842,7 +842,7 @@ static VFIOGroup *vfio_get_group(int groupid, AddressSpace *as, Error **errp) QLIST_FOREACH(group, &vfio_group_list, next) { if (group->groupid == groupid) { /* Found it. Now is it already in the right context? */ - if (group->container->space->as == as) { + if (group->container->bcontainer.space->as == as) { return group; } else { error_setg(errp, "group %d used in multiple address spaces", @@ -1040,27 +1040,27 @@ static int vfio_eeh_container_op(VFIOLegacyContainer *container, uint32_t op) static VFIOLegacyContainer *vfio_eeh_as_container(AddressSpace *as) { VFIOAddressSpace *space = vfio_get_address_space(as); - VFIOLegacyContainer *container = NULL; + VFIOContainer *bcontainer = NULL; if (QLIST_EMPTY(&space->containers)) { /* No containers to act on */ goto out; } - container = QLIST_FIRST(&space->containers); + bcontainer = QLIST_FIRST(&space->containers); - if (QLIST_NEXT(container, next)) { + if (QLIST_NEXT(bcontainer, next)) { /* * We don't yet have logic to synchronize EEH state across * multiple containers */ - container = NULL; + bcontainer = NULL; goto out; } out: vfio_put_address_space(space); - return container; + return container_of(bcontainer, VFIOLegacyContainer, bcontainer); } bool vfio_eeh_as_ok(AddressSpace *as)