From patchwork Wed Sep 12 16:01:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Qiang X-Patchwork-Id: 969095 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=163.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=163.com header.i=@163.com header.b="jpSUhm7Y"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 429RVY1n8Yz9sB5 for ; Thu, 13 Sep 2018 02:06:45 +1000 (AEST) Received: from localhost ([::1]:37021 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07f8-0001tN-5k for incoming@patchwork.ozlabs.org; Wed, 12 Sep 2018 12:06:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60599) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07aT-00071k-AB for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g07aS-0003dc-Lj for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:53 -0400 Received: from m12-15.163.com ([220.181.12.15]:51598) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g07aR-0003ax-RU for qemu-devel@nongnu.org; Wed, 12 Sep 2018 12:01:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id; bh=r3D4FnlqdQLbsM2qHP EFoX20lKWH33ufcRfb3uptt+s=; b=jpSUhm7Y276FJRWsD11IcnT6EIaKMThRDI tlVlbB9DvqYTysI5/2rvylHVsDfZ3xKa8FAwgIJyNkhsvx5CFDEy3Pchejckw0Wo bKQd1QMCUlsXhKHvoCa1EK0zaKL2EhR70fkhx3Ma5WoUE+wtbBhpVaeuU1x2zPvY tLDLGf0tM= Received: from ubuntu.localdomain (unknown [36.27.41.0]) by smtp11 (Coremail) with SMTP id D8CowADHy0FjOJlbpTj+Gw--.61042S3; Thu, 13 Sep 2018 00:01:43 +0800 (CST) From: Li Qiang To: pbonzini@redhat.com, lersek@redhat.com, marcandre.lureau@gmail.com, ehabkost@redhat.com, mst@redhat.com, peter.maydell@linaro.org, ppandit@redhat.com Date: Wed, 12 Sep 2018 09:01:11 -0700 Message-Id: <20180912160118.21158-2-liq3ea@163.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180912160118.21158-1-liq3ea@163.com> References: <20180912160118.21158-1-liq3ea@163.com> X-CM-TRANSID: D8CowADHy0FjOJlbpTj+Gw--.61042S3 X-Coremail-Antispam: 1Uf129KBjvdXoW7Jw15Aw4DXw15uw1ktw4rGrg_yoWfAFc_uF W5Ar18ua4DCwn0kFykKr1xXryfWan5AFWjk34xtan7ta4kJ3WkZr42vayDGr1fXF4UuFya kF98uF1kKr12vjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnLF4tUUUUU== X-Originating-IP: [36.27.41.0] X-CM-SenderInfo: 5oltjvrd6rljoofrz/1tbiKQe-bVXln3E4FgAAsM X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 220.181.12.15 Subject: [Qemu-devel] [PATCH 1/8] fw_cfg_mem: add read memory region callback X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Qiang , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Li Qiang Signed-off-by: Li Qiang --- hw/nvram/fw_cfg.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index d79a568f54..6de7809f1a 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -434,6 +434,11 @@ static bool fw_cfg_data_mem_valid(void *opaque, hwaddr addr, return addr == 0; } +static uint64_t fw_cfg_ctl_mem_read(void *opaque, hwaddr addr, unsigned size) +{ + return 0; +} + static void fw_cfg_ctl_mem_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { @@ -468,6 +473,7 @@ static bool fw_cfg_comb_valid(void *opaque, hwaddr addr, } static const MemoryRegionOps fw_cfg_ctl_mem_ops = { + .read = fw_cfg_ctl_mem_read, .write = fw_cfg_ctl_mem_write, .endianness = DEVICE_BIG_ENDIAN, .valid.accepts = fw_cfg_ctl_mem_valid,