From patchwork Tue Oct 8 12:50:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 13826445 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 E03CCCEF166 for ; Tue, 8 Oct 2024 12:54:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sy9h2-0008I1-O3; Tue, 08 Oct 2024 08:52:01 -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 1sy9gW-0007an-D6 for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:33 -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 1sy9gU-0002TO-9O for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728391885; 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=DgYzvGfMU9ZP3288OSkdcgQovJGODKQfEShGEk8xYmc=; b=KC5rR0GFPuw9/yGTWSc8WiJGx5E/Wm6O6LEh97WrI4AxzkQe4O3ROE6Enn9hYB8zXwa2dQ n8ckP6doqxpq9HGSSotjYQSKUReTdI7jBazLemeS0yWsgxBg8HyZugqBhDfA6laP+fzXBj 0X3e72nhBoSzfcOJdcl+QnbyWd04Jkc= 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-297-5poxncyoMleKhuymLAGbqA-1; Tue, 08 Oct 2024 08:51:22 -0400 X-MC-Unique: 5poxncyoMleKhuymLAGbqA-1 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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 BB3831943CFB; Tue, 8 Oct 2024 12:51:20 +0000 (UTC) Received: from localhost (unknown [10.39.208.19]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 631DD19560A3; Tue, 8 Oct 2024 12:51:19 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Peter Maydell , Akihiko Odaki , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , "Michael S. Tsirkin" , belmouss@redhat.com, =?utf-8?q?Danie?= =?utf-8?q?l_P=2E_Berrang=C3=A9?= , Thomas Huth , Paolo Bonzini , Gerd Hoffmann , Laurent Vivier Subject: [PATCH v2 09/19] ui/pixman: generalize shared_image_destroy Date: Tue, 8 Oct 2024 16:50:18 +0400 Message-ID: <20241008125028.1177932-10-marcandre.lureau@redhat.com> In-Reply-To: <20241008125028.1177932-1-marcandre.lureau@redhat.com> References: <20241008125028.1177932-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@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=-0.151, 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_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Marc-André Lureau Learn to free memfd-allocated shared memory. Signed-off-by: Marc-André Lureau --- include/ui/qemu-pixman.h | 2 +- hw/display/virtio-gpu.c | 4 ++-- ui/console.c | 2 +- ui/qemu-pixman.c | 20 ++++++++++++-------- 4 files changed, 16 insertions(+), 12 deletions(-) diff --git a/include/ui/qemu-pixman.h b/include/ui/qemu-pixman.h index e3dd72b9e3..a97f56d09a 100644 --- a/include/ui/qemu-pixman.h +++ b/include/ui/qemu-pixman.h @@ -97,7 +97,7 @@ void qemu_pixman_glyph_render(pixman_image_t *glyph, void qemu_pixman_image_unref(pixman_image_t *image); -void qemu_pixman_win32_image_destroy(pixman_image_t *image, void *data); +void qemu_pixman_shared_image_destroy(pixman_image_t *image, void *data); G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 017a0f170c..77f6e76f23 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -298,7 +298,7 @@ static void virtio_gpu_resource_create_2d(VirtIOGPU *g, bits, c2d.height ? res->hostmem / c2d.height : 0); #ifdef WIN32 if (res->image) { - pixman_image_set_destroy_function(res->image, qemu_pixman_win32_image_destroy, res->handle); + pixman_image_set_destroy_function(res->image, qemu_pixman_shared_image_destroy, res->handle); } #endif } @@ -1317,7 +1317,7 @@ static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size, return -EINVAL; } #ifdef WIN32 - pixman_image_set_destroy_function(res->image, qemu_pixman_win32_image_destroy, res->handle); + pixman_image_set_destroy_function(res->image, qemu_pixman_shared_image_destroy, res->handle); #endif res->addrs = g_new(uint64_t, res->iov_cnt); diff --git a/ui/console.c b/ui/console.c index 8f416ff0b9..fdd76c2be4 100644 --- a/ui/console.c +++ b/ui/console.c @@ -487,7 +487,7 @@ DisplaySurface *qemu_create_displaysurface(int width, int height) #ifdef WIN32 qemu_displaysurface_win32_set_handle(surface, handle, 0); pixman_image_set_destroy_function(surface->image, - qemu_pixman_win32_image_destroy, handle); + qemu_pixman_shared_image_destroy, handle); #endif return surface; } diff --git a/ui/qemu-pixman.c b/ui/qemu-pixman.c index 3870e1a215..46a91e7f7a 100644 --- a/ui/qemu-pixman.c +++ b/ui/qemu-pixman.c @@ -6,6 +6,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "ui/console.h" +#include "qemu/memfd.h" #include "standard-headers/drm/drm_fourcc.h" #include "trace.h" @@ -269,16 +270,19 @@ void qemu_pixman_glyph_render(pixman_image_t *glyph, } #endif /* CONFIG_PIXMAN */ -#ifdef WIN32 void -qemu_pixman_win32_image_destroy(pixman_image_t *image, void *data) +qemu_pixman_shared_image_destroy(pixman_image_t *image, void *data) { + void *ptr = pixman_image_get_data(image); + +#ifdef WIN32 HANDLE handle = data; - qemu_win32_map_free( - pixman_image_get_data(image), - handle, - &error_warn - ); -} + qemu_win32_map_free(ptr, handle, &error_warn); +#else + int shmfd = GPOINTER_TO_INT(data); + size_t size = pixman_image_get_height(image) * pixman_image_get_stride(image); + + qemu_memfd_free(ptr, size, shmfd); #endif +}