From nobody Mon Feb 9 03:13:37 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1563292962; cv=none; d=zoho.com; s=zohoarc; b=YPED0ALNT3T+Jmb9qhBXQKy5Zll4I5iUCKuOBwoIKbR6GtCwH6TY3LBYkw/9oSXkEZ7AlUExHfdwdaFBvyb1H8U/Iv5cByoCzj9QGOsbuqfOLSr+elz1ekxqvnkhx1NduE5uNphHPE7/JBYjYndvs07l1XFWE1P/mYDhoM5o8VI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1563292962; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=IrR99K248ncgs9waD760/o4TWrxB/4fGetjYcUL+aLs=; b=M1MinbSSg3zx+w7MXkK+BQtaiFTliteBD86vYZk6xOvLunFKr1xHtp6UHyMaNFBksoeo1x/4BITgYUvpZLckVLKc6DzfKPjqCI6vZnXqG7H3348jgVXjXVyKtSYl4CAS7yoiyFghe9lwwenZVOsVBDrJTg9/M26clW/n29sMd4E= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1563292962840259.0104805394692; Tue, 16 Jul 2019 09:02:42 -0700 (PDT) Received: from localhost ([::1]:50804 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnPub-0007jV-KM for importer@patchew.org; Tue, 16 Jul 2019 12:02:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44136) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hnPuG-0006ff-J9 for qemu-devel@nongnu.org; Tue, 16 Jul 2019 12:02:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hnPuF-0000ZK-Aa for qemu-devel@nongnu.org; Tue, 16 Jul 2019 12:02:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41960) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hnPuC-0000WB-Qo; Tue, 16 Jul 2019 12:02:16 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AD687300CA4C; Tue, 16 Jul 2019 16:02:15 +0000 (UTC) Received: from x1w.redhat.com (ovpn-204-58.brq.redhat.com [10.40.204.58]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 40CF35C640; Tue, 16 Jul 2019 16:01:57 +0000 (UTC) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Date: Tue, 16 Jul 2019 18:01:43 +0200 Message-Id: <20190716160143.394-3-philmd@redhat.com> In-Reply-To: <20190716160143.394-1-philmd@redhat.com> References: <20190716160143.394-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Tue, 16 Jul 2019 16:02:15 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 2/2] hw/block/pflash_cfi01: Start state machine as READY to accept commands X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laszlo Ersek , Max Reitz , Alistair Francis , John Snow Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" When the state machine is ready to accept command, the bit 7 of the status register (SR) is set to 1. The guest polls the status register and check this bit before writting command to the internal 'Write State Machine' (WSM). Set SR.7 bit to 1 when the device is created. There is no migration impact by this change. Reference: Read Array Flowchart "Common Flash Interface (CFI) and Command Sets" (Intel Application Note 646) Appendix B "Basic Command Set" Reviewed-by: John Snow Reviewed-by: Alistair Francis Regression-tested-by: Laszlo Ersek Message-Id: <20190715121338.20600-5-philmd@redhat.com> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/block/pflash_cfi01.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c index db4a246b22..435be1e35c 100644 --- a/hw/block/pflash_cfi01.c +++ b/hw/block/pflash_cfi01.c @@ -777,7 +777,7 @@ static void pflash_cfi01_realize(DeviceState *dev, Erro= r **errp) pfl->timer =3D timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl); pfl->wcycle =3D 0; pfl->cmd =3D 0; - pfl->status =3D 0; + pfl->status =3D 0x80; /* WSM ready */ /* Hardcoded CFI table */ /* Standard "QRY" string */ pfl->cfi_table[0x10] =3D 'Q'; --=20 2.20.1