From patchwork Wed Jun 17 05:39:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasad Pandit X-Patchwork-Id: 280284 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 8A9E2C433DF for ; Wed, 17 Jun 2020 05:46:26 +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 5597A2082F for ; Wed, 17 Jun 2020 05:46:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Vd7yh5HD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5597A2082F 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]:52500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jlQu0-0007VA-Vv for qemu-devel@archiver.kernel.org; Wed, 17 Jun 2020 01:46:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jlQq8-0001RS-EJ for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:24 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:54717 helo=us-smtp-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 1jlQq6-0002xd-U5 for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592372541; 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=v9Uf99ruqFduJMxH6Qvqbix/JbNg2q9u7s/EVuRNmos=; b=Vd7yh5HD2IPJRNw9BqRMzamLGERDcJZh4tbLMFEEc4kUh+pWpDpUMCNZexuvZp/Th30kbq BNoU4JVsxX8BGwp+iXE+Ov9Yx8J24TfmPnM+2vWRkFehi9JNU+87+W1ZG95qybOpXgaXG0 vnzk0PYKvKpPPem8WscyXg8s3jnZsQU= 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-280-QgV_EMCnPGiuoCxItA3wPw-1; Wed, 17 Jun 2020 01:42:19 -0400 X-MC-Unique: QgV_EMCnPGiuoCxItA3wPw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DA7001883620; Wed, 17 Jun 2020 05:42:17 +0000 (UTC) Received: from localhost.localdomain (vpn2-54-83.bne.redhat.com [10.64.54.83]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9B77F19D7B; Wed, 17 Jun 2020 05:42:11 +0000 (UTC) From: P J P To: Peter Maydell Subject: [PATCH 3/6] vfio: add quirk device write method Date: Wed, 17 Jun 2020 11:09:30 +0530 Message-Id: <20200617053934.122642-4-ppandit@redhat.com> In-Reply-To: <20200617053934.122642-1-ppandit@redhat.com> References: <20200617053934.122642-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=ppandit@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/16 23:30:45 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: Prasad J Pandit , QEMU Developers , Lei Sun , Alex Williamson , =?utf-8?q?Herv=C3=A9_Poussin?= =?utf-8?q?eau?= , Joel Stanley , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Prasad J Pandit Add vfio quirk device mmio write method to avoid NULL pointer dereference issue. Reported-by: Lei Sun Signed-off-by: Prasad J Pandit --- hw/vfio/pci-quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index f2155ddb1d..5bd98885d5 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -13,6 +13,7 @@ #include "qemu/osdep.h" #include "exec/memop.h" #include "qemu/units.h" +#include "qemu/log.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/module.h" @@ -263,8 +264,15 @@ static uint64_t vfio_ati_3c3_quirk_read(void *opaque, return data; } +static void vfio_ati_3c3_quirk_write(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__); +} + static const MemoryRegionOps vfio_ati_3c3_quirk = { .read = vfio_ati_3c3_quirk_read, + .write = vfio_ati_3c3_quirk_write, .endianness = DEVICE_LITTLE_ENDIAN, }; From patchwork Wed Jun 17 05:39:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasad Pandit X-Patchwork-Id: 280286 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 ACF4DC433DF for ; Wed, 17 Jun 2020 05:43:32 +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 77838207E8 for ; Wed, 17 Jun 2020 05:43:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="g2wgA+g6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 77838207E8 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]:42600 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jlQrD-0002rs-Mt for qemu-devel@archiver.kernel.org; Wed, 17 Jun 2020 01:43:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48022) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jlQqE-0001bb-Px for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:30 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:58873 helo=us-smtp-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 1jlQqD-0002yQ-7I for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592372548; 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=VKx7iSvqId1U58YggDYrmaFz5CuGPxBP34L170G72K4=; b=g2wgA+g6TwrPFXwGUQ+lbHCoqC5QSfUzgoGMlW2q2iF6eTn2x+5iJPqo25q+C2Xu5LHsVg oZiuRMRd45EquFaBZEzAjwqEt3F1IRJbXQHvAviyEWnykgM+KEqqwiu3RApFtUsbbwxX9M LaiJiLjM9D0A3KixW+RavBHjis/n/gQ= 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-460-88d2ZwnHNOG6jZtciGRoDw-1; Wed, 17 Jun 2020 01:42:26 -0400 X-MC-Unique: 88d2ZwnHNOG6jZtciGRoDw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4969180F5C8; Wed, 17 Jun 2020 05:42:25 +0000 (UTC) Received: from localhost.localdomain (vpn2-54-83.bne.redhat.com [10.64.54.83]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 14B7119D61; Wed, 17 Jun 2020 05:42:18 +0000 (UTC) From: P J P To: Peter Maydell Subject: [PATCH 4/6] prep: add ppc-parity write method Date: Wed, 17 Jun 2020 11:09:31 +0530 Message-Id: <20200617053934.122642-5-ppandit@redhat.com> In-Reply-To: <20200617053934.122642-1-ppandit@redhat.com> References: <20200617053934.122642-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=ppandit@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/16 23:30:45 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: Prasad J Pandit , QEMU Developers , Lei Sun , Alex Williamson , =?utf-8?q?Herv=C3=A9_Poussin?= =?utf-8?q?eau?= , Joel Stanley , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Prasad J Pandit Add ppc-parity mmio write method to avoid NULL pointer dereference issue. Reported-by: Lei Sun Signed-off-by: Prasad J Pandit --- hw/ppc/prep_systemio.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/ppc/prep_systemio.c b/hw/ppc/prep_systemio.c index bbc51b6e9a..aacd7831fd 100644 --- a/hw/ppc/prep_systemio.c +++ b/hw/ppc/prep_systemio.c @@ -23,6 +23,7 @@ */ #include "qemu/osdep.h" +#include "qemu/log.h" #include "hw/irq.h" #include "hw/isa/isa.h" #include "hw/qdev-properties.h" @@ -235,8 +236,15 @@ static uint64_t ppc_parity_error_readl(void *opaque, hwaddr addr, return val; } +static void ppc_parity_error_writel(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__); +} + static const MemoryRegionOps ppc_parity_error_ops = { .read = ppc_parity_error_readl, + .write = ppc_parity_error_writel, .valid = { .min_access_size = 4, .max_access_size = 4, From patchwork Wed Jun 17 05:39:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prasad Pandit X-Patchwork-Id: 280285 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 E16EEC433DF for ; Wed, 17 Jun 2020 05:44:53 +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 A8EDD20853 for ; Wed, 17 Jun 2020 05:44:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JtyOEl0v" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8EDD20853 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]:47944 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jlQsW-0004zu-Rj for qemu-devel@archiver.kernel.org; Wed, 17 Jun 2020 01:44:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48082) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jlQqW-0001tv-Mt for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:48 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:56113 helo=us-smtp-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 1jlQqV-00030I-2b for qemu-devel@nongnu.org; Wed, 17 Jun 2020 01:42:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592372566; 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=XWYMPDRh+neFtWFOzmo98db/SZtFroYAWOZ4b0kaGpM=; b=JtyOEl0vPqWLv7irTkOzpep3L+ui3YCTfn5xUeywYvY/g0X1e8UhzHt4eUszETpInO/QWd Kjz77Tgobn5y0bz9oKsttipliJ/2kxs/l397rE7MMYDlcQqELIKwfJmqmFePqPmNPpNIx6 SZJen1EhJaxMcdeuqMhwnzKYh+e+MUc= 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-472-ASLmE1APPOaqqKHtc_9E0w-1; Wed, 17 Jun 2020 01:42:44 -0400 X-MC-Unique: ASLmE1APPOaqqKHtc_9E0w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EE4E28730E9; Wed, 17 Jun 2020 05:42:42 +0000 (UTC) Received: from localhost.localdomain (vpn2-54-83.bne.redhat.com [10.64.54.83]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4642219D61; Wed, 17 Jun 2020 05:42:35 +0000 (UTC) From: P J P To: Peter Maydell Subject: [PATCH 6/6] spapr_pci: add spapr msi read method Date: Wed, 17 Jun 2020 11:09:33 +0530 Message-Id: <20200617053934.122642-7-ppandit@redhat.com> In-Reply-To: <20200617053934.122642-1-ppandit@redhat.com> References: <20200617053934.122642-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=ppandit@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/16 23:30:45 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: Prasad J Pandit , QEMU Developers , Lei Sun , Alex Williamson , =?utf-8?q?Herv=C3=A9_Poussin?= =?utf-8?q?eau?= , Joel Stanley , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Prasad J Pandit Add spapr msi mmio read method to avoid NULL pointer dereference issue. Reported-by: Lei Sun Signed-off-by: Prasad J Pandit --- hw/ppc/spapr_pci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 83f1453096..d4193be205 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -52,6 +52,7 @@ #include "sysemu/kvm.h" #include "sysemu/hostmem.h" #include "sysemu/numa.h" +#include "qemu/log.h" /* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */ #define RTAS_QUERY_FN 0 @@ -738,6 +739,12 @@ static PCIINTxRoute spapr_route_intx_pin_to_irq(void *opaque, int pin) return route; } +static uint64_t spapr_msi_read(void *opaque, hwaddr addr, unsigned size) +{ + qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__); + return 0; +} + /* * MSI/MSIX memory region implementation. * The handler handles both MSI and MSIX. @@ -756,7 +763,7 @@ static void spapr_msi_write(void *opaque, hwaddr addr, static const MemoryRegionOps spapr_msi_ops = { /* There is no .read as the read result is undefined by PCI spec */ - .read = NULL, + .read = spapr_msi_read, .write = spapr_msi_write, .endianness = DEVICE_LITTLE_ENDIAN };