From mboxrd@z Thu Jan 1 00:00:00 1970 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 7AF6FCAC5B0 for ; Fri, 3 Oct 2025 10:35:36 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v4d7I-0006nq-3q; Fri, 03 Oct 2025 06:34:25 -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 1v4d78-0006kM-4R for qemu-devel@nongnu.org; Fri, 03 Oct 2025 06:34:14 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v4d6s-0004kw-Of for qemu-devel@nongnu.org; Fri, 03 Oct 2025 06:34:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759487629; 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=cDCSj5XvWYv9MVD0aKNskXnPz6kHL93Gvp7vgG38oPk=; b=fgGTimZklpR6VwkrytLkTFYlCaX1VEcDAWiiL6pfqnefvQewk0LKIhJ56D4r7sDOOXv3i5 bOZcG2/s1XqkXDwTHmMru8Ligrk6l33uAeyGaQ7vEwlBO1sZObvPJGi53hNxcfnhCNAL0a d9nrSB8k4sKRjoHCPCNcaekuH2K2f10= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-441-jVC2WqxOPyicg8-nb9VGew-1; Fri, 03 Oct 2025 06:33:42 -0400 X-MC-Unique: jVC2WqxOPyicg8-nb9VGew-1 X-Mimecast-MFC-AGG-ID: jVC2WqxOPyicg8-nb9VGew_1759487621 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 98C90195608C; Fri, 3 Oct 2025 10:33:41 +0000 (UTC) Received: from corto.redhat.com (unknown [10.44.32.118]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 01139300018D; Fri, 3 Oct 2025 10:33:39 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 4/5] hw/vfio: Avoid ram_addr_t in vfio_container_query_dirty_bitmap() Date: Fri, 3 Oct 2025 12:33:27 +0200 Message-ID: <20251003103328.1864910-5-clg@redhat.com> In-Reply-To: <20251003103328.1864910-1-clg@redhat.com> References: <20251003103328.1864910-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.451, 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, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 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: Philippe Mathieu-Daudé The 'ram_addr_t' type is described as: a QEMU internal address space that maps guest RAM physical addresses into an intermediate address space that can map to host virtual address spaces. vfio_container_query_dirty_bitmap() doesn't expect such QEMU intermediate address, but a guest physical addresses. Use the appropriate 'hwaddr' type, rename as @translated_addr for clarity. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/qemu-devel/20250930123528.42878-4-philmd@linaro.org Signed-off-by: Cédric Le Goater --- include/hw/vfio/vfio-container.h | 3 ++- hw/vfio/container.c | 11 ++++++----- hw/vfio/listener.c | 18 +++++++++--------- hw/vfio/trace-events | 2 +- 4 files changed, 18 insertions(+), 16 deletions(-) diff --git a/include/hw/vfio/vfio-container.h b/include/hw/vfio/vfio-container.h index b8fb2b8b5d72b1d2a4c00dc89b214b48a371f555..093c360f0eef5547d493525df64d486475d6680b 100644 --- a/include/hw/vfio/vfio-container.h +++ b/include/hw/vfio/vfio-container.h @@ -98,7 +98,8 @@ bool vfio_container_dirty_tracking_is_started( bool vfio_container_devices_dirty_tracking_is_supported( const VFIOContainer *bcontainer); int vfio_container_query_dirty_bitmap(const VFIOContainer *bcontainer, - uint64_t iova, uint64_t size, ram_addr_t ram_addr, Error **errp); + uint64_t iova, uint64_t size, + hwaddr translated_addr, Error **errp); GList *vfio_container_get_iova_ranges(const VFIOContainer *bcontainer); diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 250b20f424522f4b6a4e864906eed2d8d13efbcd..9d69439371402940fcbc926737215eb9308b237a 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -246,7 +246,7 @@ static int vfio_container_devices_query_dirty_bitmap( int vfio_container_query_dirty_bitmap(const VFIOContainer *bcontainer, uint64_t iova, uint64_t size, - ram_addr_t ram_addr, Error **errp) + hwaddr translated_addr, Error **errp) { bool all_device_dirty_tracking = vfio_container_devices_dirty_tracking_is_supported(bcontainer); @@ -255,7 +255,7 @@ int vfio_container_query_dirty_bitmap(const VFIOContainer *bcontainer, int ret; if (!bcontainer->dirty_pages_supported && !all_device_dirty_tracking) { - cpu_physical_memory_set_dirty_range(ram_addr, size, + cpu_physical_memory_set_dirty_range(translated_addr, size, tcg_enabled() ? DIRTY_CLIENTS_ALL : DIRTY_CLIENTS_NOCODE); return 0; @@ -280,11 +280,12 @@ int vfio_container_query_dirty_bitmap(const VFIOContainer *bcontainer, goto out; } - dirty_pages = cpu_physical_memory_set_dirty_lebitmap(vbmap.bitmap, ram_addr, + dirty_pages = cpu_physical_memory_set_dirty_lebitmap(vbmap.bitmap, + translated_addr, vbmap.pages); - trace_vfio_container_query_dirty_bitmap(iova, size, vbmap.size, ram_addr, - dirty_pages); + trace_vfio_container_query_dirty_bitmap(iova, size, vbmap.size, + translated_addr, dirty_pages); out: g_free(vbmap.bitmap); diff --git a/hw/vfio/listener.c b/hw/vfio/listener.c index 3b6f17f0c3aa7ef08091f8cc1c3230eff97b5cd7..a2c19a3cec1a923631fe5c31d084cd7615f888c0 100644 --- a/hw/vfio/listener.c +++ b/hw/vfio/listener.c @@ -1059,7 +1059,7 @@ static void vfio_iommu_map_dirty_notify(IOMMUNotifier *n, IOMMUTLBEntry *iotlb) VFIOGuestIOMMU *giommu = gdn->giommu; VFIOContainer *bcontainer = giommu->bcontainer; hwaddr iova = iotlb->iova + giommu->iommu_offset; - ram_addr_t translated_addr; + hwaddr translated_addr; Error *local_err = NULL; int ret = -EINVAL; MemoryRegion *mr; @@ -1108,8 +1108,8 @@ static int vfio_ram_discard_query_dirty_bitmap(MemoryRegionSection *section, { const hwaddr size = int128_get64(section->size); const hwaddr iova = section->offset_within_address_space; - const ram_addr_t ram_addr = memory_region_get_ram_addr(section->mr) + - section->offset_within_region; + const hwaddr translated_addr = memory_region_get_ram_addr(section->mr) + + section->offset_within_region; VFIORamDiscardListener *vrdl = opaque; Error *local_err = NULL; int ret; @@ -1118,8 +1118,8 @@ static int vfio_ram_discard_query_dirty_bitmap(MemoryRegionSection *section, * Sync the whole mapped region (spanning multiple individual mappings) * in one go. */ - ret = vfio_container_query_dirty_bitmap(vrdl->bcontainer, iova, size, ram_addr, - &local_err); + ret = vfio_container_query_dirty_bitmap(vrdl->bcontainer, iova, size, + translated_addr, &local_err); if (ret) { error_report_err(local_err); } @@ -1183,7 +1183,7 @@ static int vfio_sync_iommu_dirty_bitmap(VFIOContainer *bcontainer, static int vfio_sync_dirty_bitmap(VFIOContainer *bcontainer, MemoryRegionSection *section, Error **errp) { - ram_addr_t ram_addr; + hwaddr translated_addr; if (memory_region_is_iommu(section->mr)) { return vfio_sync_iommu_dirty_bitmap(bcontainer, section); @@ -1198,12 +1198,12 @@ static int vfio_sync_dirty_bitmap(VFIOContainer *bcontainer, return ret; } - ram_addr = memory_region_get_ram_addr(section->mr) + - section->offset_within_region; + translated_addr = memory_region_get_ram_addr(section->mr) + + section->offset_within_region; return vfio_container_query_dirty_bitmap(bcontainer, REAL_HOST_PAGE_ALIGN(section->offset_within_address_space), - int128_get64(section->size), ram_addr, errp); + int128_get64(section->size), translated_addr, errp); } static void vfio_listener_log_sync(MemoryListener *listener, diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events index b1b470cc295ecd07db60910843d9fe869ab7b924..1e895448cd9b4f6b0dd5bb445de4acef6090ec62 100644 --- a/hw/vfio/trace-events +++ b/hw/vfio/trace-events @@ -105,7 +105,7 @@ vfio_device_dirty_tracking_start(int nr_ranges, uint64_t min32, uint64_t max32, vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu dirty @ 0x%"PRIx64" - 0x%"PRIx64 # container.c -vfio_container_query_dirty_bitmap(uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t start, uint64_t dirty_pages) "iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64" dirty_pages=%"PRIu64 +vfio_container_query_dirty_bitmap(uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t translated_addr, uint64_t dirty_pages) "iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" gpa=0x%"PRIx64" dirty_pages=%"PRIu64 # container-legacy.c vfio_container_disconnect(int fd) "close container->fd=%d" -- 2.51.0