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 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B34DC433DF for ; Thu, 11 Jun 2020 20:34:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E9B7120720 for ; Thu, 11 Jun 2020 20:34:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aVXEa1wq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E9B7120720 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42666 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jjTu1-0002kk-6M for qemu-devel@archiver.kernel.org; Thu, 11 Jun 2020 16:34:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55658) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjTA3-0001F4-Lm for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:46:52 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:55704 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jjTA1-0001LR-Si for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:46:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591904809; 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=F81J/ZRp0YOpkDwfZ6abXb/SMvXJi0mCgUnRO82JJ0A=; b=aVXEa1wqKssPrZqFwBQ4HtqICC2MTefQ90TMBaA2XVy4FQTrgWu8eba9V6Xe+N4VPK1lZk TuVjOy+pUGsn8Bmo/6lM1A6ET3ecT+Pbp84/LiTUEsNtqMUuMCJfSCUyelfZdG7SGzkjSH 6kZtbZbg1/9YOUjByAYScujy9dPDcME= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-301-n7l9T1rvOumJbNpS-2jgzw-1; Thu, 11 Jun 2020 15:46:47 -0400 X-MC-Unique: n7l9T1rvOumJbNpS-2jgzw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1C9541005512; Thu, 11 Jun 2020 19:46:46 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id B0D6660CC0; Thu, 11 Jun 2020 19:46:45 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 072/115] hw/i386/amd_iommu: Fix the reserved bits definition of IOMMU commands Date: Thu, 11 Jun 2020 15:44:06 -0400 Message-Id: <20200611194449.31468-73-pbonzini@redhat.com> In-Reply-To: <20200611194449.31468-1-pbonzini@redhat.com> References: <20200611194449.31468-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 03:29:33 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Wei Huang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Wei Huang Many reserved bits of amd_iommu commands are defined incorrectly in QEMU. Because of it, QEMU incorrectly injects lots of illegal commands into guest VM's IOMMU event log. Signed-off-by: Wei Huang Message-Id: <20200418042845.596457-1-wei.huang2@amd.com> Signed-off-by: Paolo Bonzini --- hw/i386/amd_iommu.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index fd75cae024..4346060e62 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -370,7 +370,7 @@ static void amdvi_completion_wait(AMDVIState *s, uint64_t *cmd) hwaddr addr = cpu_to_le64(extract64(cmd[0], 3, 49)) << 3; uint64_t data = cpu_to_le64(cmd[1]); - if (extract64(cmd[0], 51, 8)) { + if (extract64(cmd[0], 52, 8)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); } @@ -395,7 +395,7 @@ static void amdvi_inval_devtab_entry(AMDVIState *s, uint64_t *cmd) uint16_t devid = cpu_to_le16((uint16_t)extract64(cmd[0], 0, 16)); /* This command should invalidate internal caches of which there isn't */ - if (extract64(cmd[0], 15, 16) || cmd[1]) { + if (extract64(cmd[0], 16, 44) || cmd[1]) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); } @@ -405,9 +405,9 @@ static void amdvi_inval_devtab_entry(AMDVIState *s, uint64_t *cmd) static void amdvi_complete_ppr(AMDVIState *s, uint64_t *cmd) { - if (extract64(cmd[0], 15, 16) || extract64(cmd[0], 19, 8) || + if (extract64(cmd[0], 16, 16) || extract64(cmd[0], 52, 8) || extract64(cmd[1], 0, 2) || extract64(cmd[1], 3, 29) - || extract64(cmd[1], 47, 16)) { + || extract64(cmd[1], 48, 16)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); } @@ -438,8 +438,8 @@ static void amdvi_inval_pages(AMDVIState *s, uint64_t *cmd) { uint16_t domid = cpu_to_le16((uint16_t)extract64(cmd[0], 32, 16)); - if (extract64(cmd[0], 20, 12) || extract64(cmd[0], 16, 12) || - extract64(cmd[0], 3, 10)) { + if (extract64(cmd[0], 20, 12) || extract64(cmd[0], 48, 12) || + extract64(cmd[1], 3, 9)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); } @@ -451,7 +451,7 @@ static void amdvi_inval_pages(AMDVIState *s, uint64_t *cmd) static void amdvi_prefetch_pages(AMDVIState *s, uint64_t *cmd) { - if (extract64(cmd[0], 16, 8) || extract64(cmd[0], 20, 8) || + if (extract64(cmd[0], 16, 8) || extract64(cmd[0], 52, 8) || extract64(cmd[1], 1, 1) || extract64(cmd[1], 3, 1) || extract64(cmd[1], 5, 7)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), @@ -463,7 +463,7 @@ static void amdvi_prefetch_pages(AMDVIState *s, uint64_t *cmd) static void amdvi_inval_inttable(AMDVIState *s, uint64_t *cmd) { - if (extract64(cmd[0], 16, 16) || cmd[1]) { + if (extract64(cmd[0], 16, 44) || cmd[1]) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); return; @@ -479,7 +479,8 @@ static void iommu_inval_iotlb(AMDVIState *s, uint64_t *cmd) { uint16_t devid = extract64(cmd[0], 0, 16); - if (extract64(cmd[1], 1, 1) || extract64(cmd[1], 3, 9)) { + if (extract64(cmd[1], 1, 1) || extract64(cmd[1], 3, 1) || + extract64(cmd[1], 6, 6)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), s->cmdbuf + s->cmdbuf_head); return; -- 2.26.2