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 BE5BDC83F05 for ; Fri, 4 Jul 2025 08:48:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uXc3v-00080b-0m; Fri, 04 Jul 2025 04:46:27 -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 1uXc3n-0007xM-Eb for qemu-devel@nongnu.org; Fri, 04 Jul 2025 04:46:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uXc3k-0000Xy-Po for qemu-devel@nongnu.org; Fri, 04 Jul 2025 04:46:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1751618776; 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=ulbI3NpOKSsNZ8nhES+eA9VoPutBs8AfUXJ+hy3Y7UI=; b=YbdbMzygWmBLrPr4ZgzautntQzMMt60dcqPoCqRKjjmCvTVgREAMao9MngKvvHBS/6lmRh PoWQeKSpEfYUWdIEQOjYA63l17Lqz6kLO99pbKNr0YEwYkM/rg0hORitP1Um8TWB+yCC8n ZsOeJb5YPVume94E6iRgvhsC0QbtvRQ= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-288-IjwxZeOgOD-0myZ7ceWXjA-1; Fri, 04 Jul 2025 04:46:10 -0400 X-MC-Unique: IjwxZeOgOD-0myZ7ceWXjA-1 X-Mimecast-MFC-AGG-ID: IjwxZeOgOD-0myZ7ceWXjA_1751618769 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7CAFD180029E; Fri, 4 Jul 2025 08:46:09 +0000 (UTC) Received: from corto.redhat.com (unknown [10.44.32.43]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 653FD19560A7; Fri, 4 Jul 2025 08:46:06 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Steve Sistare , Peter Xu , Zhenzhong Duan , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 13/27] physmem: qemu_ram_get_fd_offset Date: Fri, 4 Jul 2025 10:45:14 +0200 Message-ID: <20250704084528.1412959-14-clg@redhat.com> In-Reply-To: <20250704084528.1412959-1-clg@redhat.com> References: <20250704084528.1412959-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.133.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.237, RCVD_IN_VALIDITY_RPBL_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: Steve Sistare Define qemu_ram_get_fd_offset, so CPR can map a memory region using IOMMU_IOAS_MAP_FILE in a subsequent patch. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu Reviewed-by: Zhenzhong Duan Link: https://lore.kernel.org/qemu-devel/1751493538-202042-8-git-send-email-steven.sistare@oracle.com Signed-off-by: Cédric Le Goater --- include/exec/cpu-common.h | 1 + system/physmem.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index a68485547d5002e84306f5d82185fa7c6b2c2fcd..9b658a3f48f78ecd9ac49464c44d7e3dc3e5644c 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -85,6 +85,7 @@ void qemu_ram_unset_idstr(RAMBlock *block); const char *qemu_ram_get_idstr(RAMBlock *rb); void *qemu_ram_get_host_addr(RAMBlock *rb); ram_addr_t qemu_ram_get_offset(RAMBlock *rb); +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb); ram_addr_t qemu_ram_get_used_length(RAMBlock *rb); ram_addr_t qemu_ram_get_max_length(RAMBlock *rb); bool qemu_ram_is_shared(RAMBlock *rb); diff --git a/system/physmem.c b/system/physmem.c index ff0ca40222d3471f746632a21195dab1783e8345..130c148ffb5c1f8336bef0d346ee1e8035771fcf 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -1593,6 +1593,11 @@ ram_addr_t qemu_ram_get_offset(RAMBlock *rb) return rb->offset; } +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb) +{ + return rb->fd_offset; +} + ram_addr_t qemu_ram_get_used_length(RAMBlock *rb) { return rb->used_length; -- 2.50.0