From patchwork Thu Aug 31 12:39:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13371478 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 22278C83F33 for ; Thu, 31 Aug 2023 12:40:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qbgxq-00081s-VC; Thu, 31 Aug 2023 08:39:58 -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 1qbgxk-0007vb-9Q; Thu, 31 Aug 2023 08:39:52 -0400 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3] helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qbgxh-0008Gs-VT; Thu, 31 Aug 2023 08:39:52 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Rc12W4w2kz4x2Y; Thu, 31 Aug 2023 22:39:47 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Rc12T1Cq1z4wb0; Thu, 31 Aug 2023 22:39:44 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, Peter Maydell , Joel Stanley , Andrew Jeffery , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Alistair Francis Subject: [PATCH v3 6/7] m25p80: Introduce an helper to retrieve the BlockBackend of a device Date: Thu, 31 Aug 2023 14:39:21 +0200 Message-ID: <20230831123922.105200-7-clg@kaod.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230831123922.105200-1-clg@kaod.org> References: <20230831123922.105200-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2404:9400:2221:ea00::3; envelope-from=SRS0=TXcQ=EQ=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-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 It will help in getting rid of some drive_get(IF_MTD) calls by retrieving the BlockBackend directly from the m25p80 device. Cc: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Joel Stanley Signed-off-by: Cédric Le Goater --- include/hw/block/flash.h | 4 ++++ hw/block/m25p80.c | 6 ++++++ 2 files changed, 10 insertions(+) diff --git a/include/hw/block/flash.h b/include/hw/block/flash.h index 7198953702b7..de93756cbe8f 100644 --- a/include/hw/block/flash.h +++ b/include/hw/block/flash.h @@ -76,4 +76,8 @@ uint8_t ecc_digest(ECCState *s, uint8_t sample); void ecc_reset(ECCState *s); extern const VMStateDescription vmstate_ecc_state; +/* m25p80.c */ + +BlockBackend *m25p80_get_blk(DeviceState *dev); + #endif diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index dc5ffbc4ff52..afc3fdf4d60b 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -25,6 +25,7 @@ #include "qemu/units.h" #include "sysemu/block-backend.h" #include "hw/block/block.h" +#include "hw/block/flash.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" #include "hw/ssi/ssi.h" @@ -1830,3 +1831,8 @@ static void m25p80_register_types(void) } type_init(m25p80_register_types) + +BlockBackend *m25p80_get_blk(DeviceState *dev) +{ + return M25P80(dev)->blk; +}