From patchwork Mon Oct 16 08:32:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Duan, Zhenzhong" X-Patchwork-Id: 1849213 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=jslN8OkM; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4S89n36brjz20Pd for ; Mon, 16 Oct 2023 19:50:47 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qsJH8-0000UV-Lk; Mon, 16 Oct 2023 04:48:34 -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 1qsJGx-0008Ic-Ed; Mon, 16 Oct 2023 04:48:25 -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 1qsJGr-0001Al-9i; Mon, 16 Oct 2023 04:48:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697446097; x=1728982097; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=oPwi6eVw5K0v9Z9FjdMpzuizve7IfLaTuIh1dcsksdc=; b=jslN8OkMqc/lEZxkdCmcIyo14TFz59+WQDUXHnBd2IkNiM3BlVQ0Fbfn bUmBGhjaMdJmMZ6hPTAm1+ZA+4P4Eeic3AY5d0kWOH4vM26KDgghJGZEb VzFNFsjcJFMfetRm3LTLq33aL7ebiFoGxL3YPiT0WWP+Shq8uWtC4ykWM xg2kkBlc6MUczTdXSIEl/uXmQYs8AFp+tJZ9BO16sdZJ1JQIHi9bjyY61 KdijJLvqVHup7jnGQAUckUzoq4v5vnrBKo1uDa2XEomnv7bawvl1rK8+0 ubJoTFG3DrhPFObg9yTI8aU2HtqzSVRruJa2JBQPxCoGqIvrWN5nlu3Ke g==; X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="365737639" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="365737639" 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 01:48:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10863"; a="749222913" X-IronPort-AV: E=Sophos;i="6.03,229,1694761200"; d="scan'208";a="749222913" 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 01:48:09 -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 , Nicholas Piggin , Daniel Henrique Barboza , David Gibson , Harsh Prateek Bora , qemu-ppc@nongnu.org (open list:sPAPR (pseries)) Subject: [PATCH v2 13/27] vfio/container: Move listener to base container Date: Mon, 16 Oct 2023 16:32:09 +0800 Message-Id: <20231016083223.1519410-14-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-ppc@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-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Eric Auger Move listener to base container. Also error and initialized fields are moved at the same time. No functional 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 | 3 - include/hw/vfio/vfio-container-base.h | 3 + hw/vfio/common.c | 116 +++++++++++--------------- hw/vfio/container-base.c | 1 + hw/vfio/container.c | 31 +++---- hw/vfio/spapr.c | 7 +- 6 files changed, 72 insertions(+), 89 deletions(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 18dd676a2a..8771160849 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -78,11 +78,8 @@ struct VFIOGroup; typedef struct VFIOLegacyContainer { VFIOContainer bcontainer; int fd; /* /dev/vfio/vfio, empowered by the attached groups */ - MemoryListener listener; MemoryListener prereg_listener; unsigned iommu_type; - Error *error; - bool initialized; uint64_t dirty_pgsizes; uint64_t max_dirty_bitmap_size; QLIST_HEAD(, VFIOGroup) group_list; diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h index d6ffd7efc4..96d33495c1 100644 --- a/include/hw/vfio/vfio-container-base.h +++ b/include/hw/vfio/vfio-container-base.h @@ -76,6 +76,9 @@ typedef struct { struct VFIOContainer { VFIOIOMMUBackendOpsClass *ops; VFIOAddressSpace *space; + MemoryListener listener; + Error *error; + bool initialized; unsigned long pgsizes; unsigned int dma_max_mappings; bool dirty_pages_supported; diff --git a/hw/vfio/common.c b/hw/vfio/common.c index b833def682..da1d64efca 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -602,7 +602,7 @@ static bool vfio_listener_valid_section(MemoryRegionSection *section, return true; } -static bool vfio_get_section_iova_range(VFIOLegacyContainer *container, +static bool vfio_get_section_iova_range(VFIOContainer *bcontainer, MemoryRegionSection *section, hwaddr *out_iova, hwaddr *out_end, Int128 *out_llend) @@ -630,10 +630,7 @@ static bool vfio_get_section_iova_range(VFIOLegacyContainer *container, static void vfio_listener_region_add(MemoryListener *listener, MemoryRegionSection *section) { - VFIOLegacyContainer *container = container_of(listener, - VFIOLegacyContainer, - listener); - VFIOContainer *bcontainer = &container->bcontainer; + VFIOContainer *bcontainer = container_of(listener, VFIOContainer, listener); hwaddr iova, end; Int128 llend, llsize; void *vaddr; @@ -645,7 +642,8 @@ static void vfio_listener_region_add(MemoryListener *listener, return; } - if (!vfio_get_section_iova_range(container, section, &iova, &end, &llend)) { + if (!vfio_get_section_iova_range(bcontainer, section, &iova, &end, + &llend)) { if (memory_region_is_ram_device(section->mr)) { trace_vfio_listener_region_add_no_dma_map( memory_region_name(section->mr), @@ -663,7 +661,7 @@ static void vfio_listener_region_add(MemoryListener *listener, hostwin = vfio_find_hostwin(bcontainer, iova, end); if (!hostwin) { error_setg(&err, "Container %p can't map guest IOVA region" - " 0x%"HWADDR_PRIx"..0x%"HWADDR_PRIx, container, iova, end); + " 0x%"HWADDR_PRIx"..0x%"HWADDR_PRIx, bcontainer, iova, end); goto fail; } @@ -750,13 +748,12 @@ static void vfio_listener_region_add(MemoryListener *listener, } } - ret = vfio_container_dma_map(&container->bcontainer, - iova, int128_get64(llsize), vaddr, - section->readonly); + ret = vfio_container_dma_map(bcontainer, iova, int128_get64(llsize), + vaddr, section->readonly); if (ret) { error_setg(&err, "vfio_container_dma_map(%p, 0x%"HWADDR_PRIx", " "0x%"HWADDR_PRIx", %p) = %d (%s)", - container, iova, int128_get64(llsize), vaddr, ret, + bcontainer, iova, int128_get64(llsize), vaddr, ret, strerror(-ret)); if (memory_region_is_ram_device(section->mr)) { /* Allow unexpected mappings not to be fatal for RAM devices */ @@ -778,9 +775,9 @@ fail: * can gracefully fail. Runtime, there's not much we can do other * than throw a hardware error. */ - if (!container->initialized) { - if (!container->error) { - error_propagate_prepend(&container->error, err, + if (!bcontainer->initialized) { + if (!bcontainer->error) { + error_propagate_prepend(&bcontainer->error, err, "Region %s: ", memory_region_name(section->mr)); } else { @@ -795,10 +792,7 @@ fail: static void vfio_listener_region_del(MemoryListener *listener, MemoryRegionSection *section) { - VFIOLegacyContainer *container = container_of(listener, - VFIOLegacyContainer, - listener); - VFIOContainer *bcontainer = &container->bcontainer; + VFIOContainer *bcontainer = container_of(listener, VFIOContainer, listener); hwaddr iova, end; Int128 llend, llsize; int ret; @@ -831,7 +825,8 @@ static void vfio_listener_region_del(MemoryListener *listener, */ } - if (!vfio_get_section_iova_range(container, section, &iova, &end, &llend)) { + if (!vfio_get_section_iova_range(bcontainer, section, &iova, &end, + &llend)) { return; } @@ -858,29 +853,29 @@ static void vfio_listener_region_del(MemoryListener *listener, if (int128_eq(llsize, int128_2_64())) { /* The unmap ioctl doesn't accept a full 64-bit span. */ llsize = int128_rshift(llsize, 1); - ret = vfio_container_dma_unmap(&container->bcontainer, iova, + ret = vfio_container_dma_unmap(bcontainer, iova, int128_get64(llsize), NULL); if (ret) { error_report("vfio_container_dma_unmap(%p, 0x%"HWADDR_PRIx", " "0x%"HWADDR_PRIx") = %d (%s)", - container, iova, int128_get64(llsize), ret, + bcontainer, iova, int128_get64(llsize), ret, strerror(-ret)); } iova += int128_get64(llsize); } - ret = vfio_container_dma_unmap(&container->bcontainer, iova, + ret = vfio_container_dma_unmap(bcontainer, iova, int128_get64(llsize), NULL); if (ret) { error_report("vfio_container_dma_unmap(%p, 0x%"HWADDR_PRIx", " "0x%"HWADDR_PRIx") = %d (%s)", - container, iova, int128_get64(llsize), ret, + bcontainer, iova, int128_get64(llsize), ret, strerror(-ret)); } } memory_region_unref(section->mr); - vfio_container_del_section_window(&container->bcontainer, section); + vfio_container_del_section_window(bcontainer, section); } typedef struct VFIODirtyRanges { @@ -893,16 +888,15 @@ typedef struct VFIODirtyRanges { } VFIODirtyRanges; typedef struct VFIODirtyRangesListener { - VFIOLegacyContainer *container; + VFIOContainer *bcontainer; VFIODirtyRanges ranges; MemoryListener listener; } VFIODirtyRangesListener; static bool vfio_section_is_vfio_pci(MemoryRegionSection *section, - VFIOLegacyContainer *container) + VFIOContainer *bcontainer) { VFIOPCIDevice *pcidev; - VFIOContainer *bcontainer = &container->bcontainer; VFIODevice *vbasedev; Object *owner; @@ -931,7 +925,7 @@ static void vfio_dirty_tracking_update(MemoryListener *listener, hwaddr iova, end, *min, *max; if (!vfio_listener_valid_section(section, "tracking_update") || - !vfio_get_section_iova_range(dirty->container, section, + !vfio_get_section_iova_range(dirty->bcontainer, section, &iova, &end, NULL)) { return; } @@ -955,7 +949,7 @@ static void vfio_dirty_tracking_update(MemoryListener *listener, * The alternative would be an IOVATree but that has a much bigger runtime * overhead and unnecessary complexity. */ - if (vfio_section_is_vfio_pci(section, dirty->container) && + if (vfio_section_is_vfio_pci(section, dirty->bcontainer) && iova >= UINT32_MAX) { min = &range->minpci64; max = &range->maxpci64; @@ -979,7 +973,7 @@ static const MemoryListener vfio_dirty_tracking_listener = { .region_add = vfio_dirty_tracking_update, }; -static void vfio_dirty_tracking_init(VFIOLegacyContainer *container, +static void vfio_dirty_tracking_init(VFIOContainer *bcontainer, VFIODirtyRanges *ranges) { VFIODirtyRangesListener dirty; @@ -989,10 +983,10 @@ static void vfio_dirty_tracking_init(VFIOLegacyContainer *container, dirty.ranges.min64 = UINT64_MAX; dirty.ranges.minpci64 = UINT64_MAX; dirty.listener = vfio_dirty_tracking_listener; - dirty.container = container; + dirty.bcontainer = bcontainer; memory_listener_register(&dirty.listener, - container->bcontainer.space->as); + bcontainer->space->as); *ranges = dirty.ranges; @@ -1004,12 +998,11 @@ static void vfio_dirty_tracking_init(VFIOLegacyContainer *container, memory_listener_unregister(&dirty.listener); } -static void vfio_devices_dma_logging_stop(VFIOLegacyContainer *container) +static void vfio_devices_dma_logging_stop(VFIOContainer *bcontainer) { uint64_t buf[DIV_ROUND_UP(sizeof(struct vfio_device_feature), sizeof(uint64_t))] = {}; struct vfio_device_feature *feature = (struct vfio_device_feature *)buf; - VFIOContainer *bcontainer = &container->bcontainer; VFIODevice *vbasedev; feature->argsz = sizeof(buf); @@ -1030,7 +1023,7 @@ static void vfio_devices_dma_logging_stop(VFIOLegacyContainer *container) } static struct vfio_device_feature * -vfio_device_feature_dma_logging_start_create(VFIOLegacyContainer *container, +vfio_device_feature_dma_logging_start_create(VFIOContainer *bcontainer, VFIODirtyRanges *tracking) { struct vfio_device_feature *feature; @@ -1103,16 +1096,15 @@ static void vfio_device_feature_dma_logging_start_destroy( g_free(feature); } -static int vfio_devices_dma_logging_start(VFIOLegacyContainer *container) +static int vfio_devices_dma_logging_start(VFIOContainer *bcontainer) { struct vfio_device_feature *feature; VFIODirtyRanges ranges; - VFIOContainer *bcontainer = &container->bcontainer; VFIODevice *vbasedev; int ret = 0; - vfio_dirty_tracking_init(container, &ranges); - feature = vfio_device_feature_dma_logging_start_create(container, + vfio_dirty_tracking_init(bcontainer, &ranges); + feature = vfio_device_feature_dma_logging_start_create(bcontainer, &ranges); if (!feature) { return -errno; @@ -1135,7 +1127,7 @@ static int vfio_devices_dma_logging_start(VFIOLegacyContainer *container) out: if (ret) { - vfio_devices_dma_logging_stop(container); + vfio_devices_dma_logging_stop(bcontainer); } vfio_device_feature_dma_logging_start_destroy(feature); @@ -1145,16 +1137,13 @@ out: static void vfio_listener_log_global_start(MemoryListener *listener) { - VFIOLegacyContainer *container = container_of(listener, - VFIOLegacyContainer, - listener); + VFIOContainer *bcontainer = container_of(listener, VFIOContainer, listener); int ret; - if (vfio_devices_all_device_dirty_tracking(&container->bcontainer)) { - ret = vfio_devices_dma_logging_start(container); + if (vfio_devices_all_device_dirty_tracking(bcontainer)) { + ret = vfio_devices_dma_logging_start(bcontainer); } else { - ret = vfio_container_set_dirty_page_tracking(&container->bcontainer, - true); + ret = vfio_container_set_dirty_page_tracking(bcontainer, true); } if (ret) { @@ -1166,16 +1155,13 @@ static void vfio_listener_log_global_start(MemoryListener *listener) static void vfio_listener_log_global_stop(MemoryListener *listener) { - VFIOLegacyContainer *container = container_of(listener, - VFIOLegacyContainer, - listener); + VFIOContainer *bcontainer = container_of(listener, VFIOContainer, listener); int ret = 0; - if (vfio_devices_all_device_dirty_tracking(&container->bcontainer)) { - vfio_devices_dma_logging_stop(container); + if (vfio_devices_all_device_dirty_tracking(bcontainer)) { + vfio_devices_dma_logging_stop(bcontainer); } else { - ret = vfio_container_set_dirty_page_tracking(&container->bcontainer, - false); + ret = vfio_container_set_dirty_page_tracking(bcontainer, false); } if (ret) { @@ -1286,9 +1272,6 @@ static void vfio_iommu_map_dirty_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb) vfio_giommu_dirty_notifier, n); VFIOGuestIOMMU *giommu = gdn->giommu; VFIOContainer *bcontainer = giommu->bcontainer; - VFIOLegacyContainer *container = container_of(bcontainer, - VFIOLegacyContainer, - bcontainer); hwaddr iova = iotlb->iova + giommu->iommu_offset; ram_addr_t translated_addr; int ret = -EINVAL; @@ -1303,12 +1286,12 @@ static void vfio_iommu_map_dirty_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb) rcu_read_lock(); if (vfio_get_xlat_addr(iotlb, NULL, &translated_addr, NULL)) { - ret = vfio_get_dirty_bitmap(&container->bcontainer, iova, - iotlb->addr_mask + 1, translated_addr); + ret = vfio_get_dirty_bitmap(bcontainer, iova, iotlb->addr_mask + 1, + translated_addr); if (ret) { error_report("vfio_iommu_map_dirty_notify(%p, 0x%"HWADDR_PRIx", " "0x%"HWADDR_PRIx") = %d (%s)", - container, iova, iotlb->addr_mask + 1, ret, + bcontainer, iova, iotlb->addr_mask + 1, ret, strerror(-ret)); } } @@ -1364,10 +1347,9 @@ vfio_sync_ram_discard_listener_dirty_bitmap(VFIOContainer *bcontainer, &vrdl); } -static int vfio_sync_dirty_bitmap(VFIOLegacyContainer *container, +static int vfio_sync_dirty_bitmap(VFIOContainer *bcontainer, MemoryRegionSection *section) { - VFIOContainer *bcontainer = &container->bcontainer; ram_addr_t ram_addr; if (memory_region_is_iommu(section->mr)) { @@ -1403,7 +1385,7 @@ static int vfio_sync_dirty_bitmap(VFIOLegacyContainer *container, ram_addr = memory_region_get_ram_addr(section->mr) + section->offset_within_region; - return vfio_get_dirty_bitmap(&container->bcontainer, + return vfio_get_dirty_bitmap(bcontainer, REAL_HOST_PAGE_ALIGN(section->offset_within_address_space), int128_get64(section->size), ram_addr); } @@ -1411,17 +1393,15 @@ static int vfio_sync_dirty_bitmap(VFIOLegacyContainer *container, static void vfio_listener_log_sync(MemoryListener *listener, MemoryRegionSection *section) { - VFIOLegacyContainer *container = container_of(listener, - VFIOLegacyContainer, - listener); + VFIOContainer *bcontainer = container_of(listener, VFIOContainer, listener); int ret; if (vfio_listener_skipped_section(section)) { return; } - if (vfio_devices_all_dirty_tracking(&container->bcontainer)) { - ret = vfio_sync_dirty_bitmap(container, section); + if (vfio_devices_all_dirty_tracking(bcontainer)) { + ret = vfio_sync_dirty_bitmap(bcontainer, section); if (ret) { error_report("vfio: Failed to sync dirty bitmap, err: %d (%s)", ret, strerror(-ret)); diff --git a/hw/vfio/container-base.c b/hw/vfio/container-base.c index c5a4c5afed..29cf954019 100644 --- a/hw/vfio/container-base.c +++ b/hw/vfio/container-base.c @@ -97,6 +97,7 @@ void vfio_container_init(VFIOContainer *bcontainer, { bcontainer->ops = ops; bcontainer->space = space; + bcontainer->error = NULL; bcontainer->dirty_pages_supported = false; bcontainer->dma_max_mappings = 0; QLIST_INIT(&bcontainer->giommu_list); diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 66fad1c280..5b14a9b307 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -382,7 +382,9 @@ static int vfio_legacy_query_dirty_bitmap(VFIOContainer *bcontainer, static void vfio_listener_release(VFIOLegacyContainer *container) { - memory_listener_unregister(&container->listener); + VFIOContainer *bcontainer = &container->bcontainer; + + memory_listener_unregister(&bcontainer->listener); if (container->iommu_type == VFIO_SPAPR_TCE_v2_IOMMU) { memory_listener_unregister(&container->prereg_listener); } @@ -540,6 +542,7 @@ static void vfio_get_iommu_info_migration(VFIOLegacyContainer *container, { struct vfio_info_cap_header *hdr; struct vfio_iommu_type1_info_cap_migration *cap_mig; + VFIOContainer *bcontainer = &container->bcontainer; hdr = vfio_get_iommu_info_cap(info, VFIO_IOMMU_TYPE1_INFO_CAP_MIGRATION); if (!hdr) { @@ -554,7 +557,7 @@ static void vfio_get_iommu_info_migration(VFIOLegacyContainer *container, * qemu_real_host_page_size to mark those dirty. */ if (cap_mig->pgsize_bitmap & qemu_real_host_page_size()) { - container->bcontainer.dirty_pages_supported = true; + bcontainer->dirty_pages_supported = true; container->max_dirty_bitmap_size = cap_mig->max_dirty_bitmap_size; container->dirty_pgsizes = cap_mig->pgsize_bitmap; } @@ -641,7 +644,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, container = g_malloc0(sizeof(*container)); container->fd = fd; - container->error = NULL; bcontainer = &container->bcontainer; vfio_container_init(bcontainer, space, ops); @@ -669,9 +671,9 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, } if (info->flags & VFIO_IOMMU_INFO_PGSIZES) { - container->bcontainer.pgsizes = info->iova_pgsizes; + bcontainer->pgsizes = info->iova_pgsizes; } else { - container->bcontainer.pgsizes = qemu_real_host_page_size(); + bcontainer->pgsizes = qemu_real_host_page_size(); } if (!vfio_get_info_dma_avail(info, &bcontainer->dma_max_mappings)) { @@ -712,10 +714,10 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, memory_listener_register(&container->prereg_listener, &address_space_memory); - if (container->error) { + if (bcontainer->error) { memory_listener_unregister(&container->prereg_listener); ret = -1; - error_propagate_prepend(errp, container->error, + error_propagate_prepend(errp, bcontainer->error, "RAM memory listener initialization failed: "); goto enable_discards_exit; } @@ -734,7 +736,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, } if (v2) { - container->bcontainer.pgsizes = info.ddw.pgsizes; + bcontainer->pgsizes = info.ddw.pgsizes; /* * There is a default window in just created container. * To make region_add/del simpler, we better remove this @@ -749,7 +751,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, } } else { /* The default table uses 4K pages */ - container->bcontainer.pgsizes = 0x1000; + bcontainer->pgsizes = 0x1000; vfio_host_win_add(bcontainer, info.dma32_window_start, info.dma32_window_start + info.dma32_window_size - 1, @@ -766,19 +768,18 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, group->container = container; QLIST_INSERT_HEAD(&container->group_list, group, container_next); - container->listener = vfio_memory_listener; + bcontainer->listener = vfio_memory_listener; - memory_listener_register(&container->listener, - container->bcontainer.space->as); + memory_listener_register(&bcontainer->listener, bcontainer->space->as); - if (container->error) { + if (bcontainer->error) { ret = -1; - error_propagate_prepend(errp, container->error, + error_propagate_prepend(errp, bcontainer->error, "memory listener initialization failed: "); goto listener_release_exit; } - container->initialized = true; + bcontainer->initialized = true; return 0; listener_release_exit: diff --git a/hw/vfio/spapr.c b/hw/vfio/spapr.c index 3fdad9d227..7df2a7a672 100644 --- a/hw/vfio/spapr.c +++ b/hw/vfio/spapr.c @@ -41,6 +41,7 @@ static void vfio_prereg_listener_region_add(MemoryListener *listener, { VFIOLegacyContainer *container = container_of(listener, VFIOLegacyContainer, prereg_listener); + VFIOContainer *bcontainer = &container->bcontainer; const hwaddr gpa = section->offset_within_address_space; hwaddr end; int ret; @@ -83,9 +84,9 @@ static void vfio_prereg_listener_region_add(MemoryListener *listener, * can gracefully fail. Runtime, there's not much we can do other * than throw a hardware error. */ - if (!container->initialized) { - if (!container->error) { - error_setg_errno(&container->error, -ret, + if (!bcontainer->initialized) { + if (!bcontainer->error) { + error_setg_errno(&bcontainer->error, -ret, "Memory registering failed"); } } else {