From patchwork Wed Feb 14 18:23:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corey Minyard X-Patchwork-Id: 128374 Delivered-To: patch@linaro.org Received: by 10.46.124.24 with SMTP id x24csp899593ljc; Wed, 14 Feb 2018 10:26:29 -0800 (PST) X-Google-Smtp-Source: AH8x225lJRbAV6lvVco6jxBKytRsgAB2o6AoNQYCT43qFm5/rUqFZZIppn8KVzdAbzgMdaBo6bYB X-Received: by 10.37.132.196 with SMTP id x4mr114958ybm.197.1518632789533; Wed, 14 Feb 2018 10:26:29 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1518632789; cv=none; d=google.com; s=arc-20160816; b=MVUpipLtXB4O5rICuNG2mChLap2i32+05r52kVYUVDt+BOvydL/Be3BXtKxU8Ip6dw B8vcnZ7xiguzoGxDqqcwtbl+3fHgdcn2gYDL9sFSx9K0Sf6HPut1JaAhYn4MU2ZxKE48 Y0uAGqvpWJrSlCbkGf/rk69y8Xx4VU13x/HXL+vTR71OdCwfJekcmN+DYdsnI5QO/VBT rINlg4mBDphKKe/uy7iv3Eil7dIMSxgfEIwY6as12O4cYDtFIScUNHbe7qxhGmfzQNZb trYmZfGmMd7RTXQEHW00rk7gQs6Q1ckguKhlVpZo1ILzfJIvT5WY7NgHq+jV7CXUJcjA wLXA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:references:in-reply-to :message-id:date:to:from:dkim-signature:arc-authentication-results; bh=xW43wuybE/Gh5PTxm4i4/rWSx+RsfVayvLsI/2XKrvQ=; b=O1kLTgEttqkvKfZUDASC1TQMqEZ8fEEF+BC67amFhHpDYHM6YFvrnhMl6Qi4GrdMly UF7ez3r2mx3ia8E1SgLjj5EiLuFylc13lp+dCdQ9GLjFMJJX0CnqMgG/ScyBSy5Ua5pI BuzpIOvHBt163ggLhppvloIrd5JS7DiFXkddNIaxxjI+2cx5D1UDml5Wuf0Imb4NpC3R 5YzzAoNbnBNFjbDLn/VshM6RHLBRJRWiSPS7VO1VY7/ega2TnphiXnXzNWtVDeoaozoB 7jBJsHcnnKWiYKmw+1sZJS0aMcgcAKqosXnmMFf8lXooVOTqSiJqNuU9KSIjcKeUdJMx yx6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=p/GtKl/X; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [2001:4830:134:3::11]) by mx.google.com with ESMTPS id r191si386312ywh.199.2018.02.14.10.26.29 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 14 Feb 2018 10:26:29 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=p/GtKl/X; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org Received: from localhost ([::1]:46970 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1em1lE-0001Xb-Sg for patch@linaro.org; Wed, 14 Feb 2018 13:26:28 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36328) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1em1io-0000CN-Tl for qemu-devel@nongnu.org; Wed, 14 Feb 2018 13:23:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1em1im-0003zJ-8N for qemu-devel@nongnu.org; Wed, 14 Feb 2018 13:23:58 -0500 Received: from mail-pg0-x241.google.com ([2607:f8b0:400e:c05::241]:45805) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1em1im-0003yi-1q for qemu-devel@nongnu.org; Wed, 14 Feb 2018 13:23:56 -0500 Received: by mail-pg0-x241.google.com with SMTP id e11so2233162pgq.12 for ; Wed, 14 Feb 2018 10:23:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=xW43wuybE/Gh5PTxm4i4/rWSx+RsfVayvLsI/2XKrvQ=; b=p/GtKl/XY9hUZNneBpYPhjTAO//APGnvXW80/EO4vRCYsFBpfKEoYdejHIuof65NUU EYDj4juHBcJsWD46bi+5GNXfGHfYfx+y2kApeMDnHc5AFQ5I6g/urosemHSGslBNVJkM goPCNeEarOBMQezwVByDRiheDtFu7JFWcTbOpGFb4NU7sngCY8tnPtgadRsc8om00t7r iPsO8XbDpM1hQkyZX5IpxjocQoKqMUeDsdXdpTxyiM6yKaVbzMpN3kWYocmvLq1bPo8y jxoHqs5qzQWRHYS/y96MiFH3UAnckYHXo7E6peFpkd3lnLBq3sPikmikBP319xjd8jZ2 zPaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=xW43wuybE/Gh5PTxm4i4/rWSx+RsfVayvLsI/2XKrvQ=; b=UD7WXWXcp6tTG923SeVjWWHTqzPd27lI8sx0WAHFF2+BuO+50OI8LPm2OAuRQ6barm MyuANFbfMX289smCigeFEL4ml7ah9CSO/AtOuxNR+acDxunn+3jonUeDh9cpI8ks/fJm O26uG5JSCKAqu+8RC5ibrHa8tflW6cZ7XwsD+JHkW+jTPYEOFCJ9NZ2OOijcpkyACSns TMmBjdX8GppN+sSUnVVC84wRvEGXXmI2xPUi7T0kKbmZbPBW9QBBKuOumkLnkNzwupgF E+Jpgv7DdCNnLEDGVueCKwwBmw8th+Xkx7jyAaz2mk+bvSnXr0Gza/9+mQyr3JqMM05E +qlw== X-Gm-Message-State: APf1xPBESnO+ZxT/qpQ5E8W49VLWVTNIwnj0aVdbZ6psCW0ksiA/UnR/ GE5dO9a+qbq6aH2J0sKMdQ== X-Received: by 10.101.75.70 with SMTP id k6mr70890pgt.335.1518632634378; Wed, 14 Feb 2018 10:23:54 -0800 (PST) Received: from serve.minyard.net ([47.184.168.85]) by smtp.gmail.com with ESMTPSA id i194sm38721259pfe.145.2018.02.14.10.23.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Feb 2018 10:23:52 -0800 (PST) Received: from t430.minyard.net (t430m.minyard.net [192.168.27.3]) by serve.minyard.net (Postfix) with ESMTPA id DF0C33B6; Wed, 14 Feb 2018 12:23:50 -0600 (CST) Received: by t430.minyard.net (Postfix, from userid 1000) id 80223300967; Wed, 14 Feb 2018 12:23:49 -0600 (CST) From: minyard@acm.org To: qemu-devel@nongnu.org Date: Wed, 14 Feb 2018 12:23:44 -0600 Message-Id: <1518632624-29965-3-git-send-email-minyard@acm.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518632624-29965-1-git-send-email-minyard@acm.org> References: <1518632624-29965-1-git-send-email-minyard@acm.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::241 Subject: [Qemu-devel] [PATCH v2 2/2] ipmi: Use proper struct reference for BT vmstate 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: Corey Minyard , "Dr . David Alan Gilbert" Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Corey Minyard The vmstate for isa_ipmi_bt was referencing into the bt structure, instead create a bt structure separate and use that. The version 1 of the BT transfer was fairly broken, if a migration occured during an IPMI operation, it is likely the migration would be corrupted because I misunderstood the VMSTATE_VBUFFER_UINT32() handling, I thought it handled transferring the length field, too. So I just remove support for that. I doubt anyone is using it at this point. This also removes the transfer of use_irq, since that should come from configuration. Signed-off-by: Corey Minyard Cc: Dr. David Alan Gilbert --- hw/ipmi/isa_ipmi_bt.c | 61 ++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 48 insertions(+), 13 deletions(-) -- 2.7.4 diff --git a/hw/ipmi/isa_ipmi_bt.c b/hw/ipmi/isa_ipmi_bt.c index e946030..b64dce2 100644 --- a/hw/ipmi/isa_ipmi_bt.c +++ b/hw/ipmi/isa_ipmi_bt.c @@ -450,22 +450,57 @@ static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp) isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base); } -static const VMStateDescription vmstate_ISAIPMIBTDevice = { - .name = TYPE_IPMI_INTERFACE, +static int ipmi_bt_vmstate_post_load(void *opaque, int version) +{ + IPMIBT *ib = opaque; + + /* Make sure all the values are sane. */ + if (ib->outpos >= MAX_IPMI_MSG_SIZE || ib->outlen >= MAX_IPMI_MSG_SIZE || + ib->outpos >= ib->outlen) { + ib->outpos = 0; + ib->outlen = 0; + } + + if (ib->inlen >= MAX_IPMI_MSG_SIZE) { + ib->inlen = 0; + } + + return 0; +} + +const VMStateDescription vmstate_IPMIBT = { + .name = TYPE_IPMI_INTERFACE_PREFIX "bt", .version_id = 1, .minimum_version_id = 1, + .post_load = ipmi_bt_vmstate_post_load, + .fields = (VMStateField[]) { + VMSTATE_BOOL(obf_irq_set, IPMIBT), + VMSTATE_BOOL(atn_irq_set, IPMIBT), + VMSTATE_BOOL(irqs_enabled, IPMIBT), + VMSTATE_UINT32(outpos, IPMIBT), + VMSTATE_UINT32(outlen, IPMIBT), + VMSTATE_UINT8_ARRAY(outmsg, IPMIBT, MAX_IPMI_MSG_SIZE), + VMSTATE_UINT32(inlen, IPMIBT), + VMSTATE_UINT8_ARRAY(inmsg, IPMIBT, MAX_IPMI_MSG_SIZE), + VMSTATE_UINT8(control_reg, IPMIBT), + VMSTATE_UINT8(mask_reg, IPMIBT), + VMSTATE_UINT8(waiting_rsp, IPMIBT), + VMSTATE_UINT8(waiting_seq, IPMIBT), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_ISAIPMIBTDevice = { + .name = TYPE_IPMI_INTERFACE_PREFIX "isa-bt", + .version_id = 2, + .minimum_version_id = 2, + /* + * Version 1 had messed up the array transfer, it's not even usable + * because it used VMSTATE_VBUFFER_UINT32, but it did not transfer + * the buffer length, so random things would happen. + */ .fields = (VMStateField[]) { - VMSTATE_BOOL(bt.obf_irq_set, ISAIPMIBTDevice), - VMSTATE_BOOL(bt.atn_irq_set, ISAIPMIBTDevice), - VMSTATE_BOOL(bt.use_irq, ISAIPMIBTDevice), - VMSTATE_BOOL(bt.irqs_enabled, ISAIPMIBTDevice), - VMSTATE_UINT32(bt.outpos, ISAIPMIBTDevice), - VMSTATE_VBUFFER_UINT32(bt.outmsg, ISAIPMIBTDevice, 1, NULL, bt.outlen), - VMSTATE_VBUFFER_UINT32(bt.inmsg, ISAIPMIBTDevice, 1, NULL, bt.inlen), - VMSTATE_UINT8(bt.control_reg, ISAIPMIBTDevice), - VMSTATE_UINT8(bt.mask_reg, ISAIPMIBTDevice), - VMSTATE_UINT8(bt.waiting_rsp, ISAIPMIBTDevice), - VMSTATE_UINT8(bt.waiting_seq, ISAIPMIBTDevice), + VMSTATE_STRUCT(bt, ISAIPMIBTDevice, 1, vmstate_IPMIBT, IPMIBT), VMSTATE_END_OF_LIST() } };