From nobody Fri Oct 23 21:01:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1792563931; cv=none; d=zohomail.com; s=zohoarc; b=XW5eUxmeTGxbcGsOMhLEgYvfZy5+nQMG3l4lELYgKPzyu9S9y6tytd6EU66EiJrE537wxHwQ9XE33TtwkusfpHtHEv5izKPod2DnCFO/LeATHg5Dt12bNmILCHzBUa+liILIe5pZdfjGxGnhw253Zj57co7b7QSDIyu4TgGEu4M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1792563931; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=4NWXi+DmU3pbERalV9z7QnaT+VkJs1iz9orAgvw1uzc=; b=cyyV2/oNqfgOKlh7VIg0XwKfUGt1fyR1Rps3gtfwV2R/Hlhu2RNOnX+K1OChtWcHyWd2aCNv/6BsNVr0vExkcp7jaywqVOE+Qm5/I6ne6jrwav3y/4R62QeAif0w+mPq7mPAkY0K6+OCcmy75mFEtpOeNF5cCVeqi0WeMCw7xCg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1792563931142584.1915165642085; Tue, 20 Oct 2026 23:25:31 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xJPkb-0003GD-31; Wed, 21 Oct 2026 02:24:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xJPkR-0003FI-Nq for qemu-devel@nongnu.org; Wed, 21 Oct 2026 02:24:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xJPkO-0003h2-BI for qemu-devel@nongnu.org; Wed, 21 Oct 2026 02:24:27 -0400 Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-183-1NSfUVW-MEGmurezAmYodg-1; Wed, 21 Oct 2026 02:23:06 -0400 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 656101955EA1; Wed, 21 Oct 2026 06:23:05 +0000 (UTC) Received: from desktop (headnet04.pony-001.prod.iad2.dc.redhat.com [10.2.32.116]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B589F1800446; Wed, 21 Oct 2026 06:23:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1792563861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4NWXi+DmU3pbERalV9z7QnaT+VkJs1iz9orAgvw1uzc=; b=IPBoHweU7tV3slfJ3eQ8FoWwI6FyxKeHaFFrg/74/1CSSQwOuhQ0iabFMUYwUZjBzQoxCZ WjJrGhdmcsrcFE6UQzru8IhcxCQ3zgUMQHTOXrfLN4Y2xEenl8ovhwoAtCXFJgWveSQw8Y 3y07spz/7lEhSJS6Zv4VuYhztMi7JMo= X-MC-Unique: 1NSfUVW-MEGmurezAmYodg-1 X-Mimecast-MFC-AGG-ID: 1NSfUVW-MEGmurezAmYodg_1792563785 From: Alberto Faria To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Zhao Liu , Paolo Bonzini , "Michael S. Tsirkin" , Stefan Hajnoczi , Cornelia Huck , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alberto Faria Subject: [PATCH 1/2] include: Add virtio-blk request flag FUA definitions Date: Wed, 21 Oct 2026 07:22:56 +0100 Message-ID: <20261021062257.735757-2-afaria@redhat.com> In-Reply-To: <20261021062257.735757-1-afaria@redhat.com> References: <20261021062257.735757-1-afaria@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass (zohomail.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=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=afaria@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 9 X-Spam_score: 0.9 X-Spam_bar: / X-Spam_report: (0.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.329, 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_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1792563931662158500 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alberto Faria --- include/standard-headers/linux/virtio_blk.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/include/standard-headers/linux/virtio_blk.h b/include/standard= -headers/linux/virtio_blk.h index d7be3cf5e4..c6c8ce1eec 100644 --- a/include/standard-headers/linux/virtio_blk.h +++ b/include/standard-headers/linux/virtio_blk.h @@ -42,6 +42,8 @@ #define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */ #define VIRTIO_BLK_F_SECURE_ERASE 16 /* Secure Erase is supported */ #define VIRTIO_BLK_F_ZONED 17 /* Zoned block device */ +#define VIRTIO_BLK_F_REQ_FLAGS 18 /* Request flags supported */ +#define VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA 19 /* FUA flag supported */ =20 /* Legacy feature bits */ #ifndef VIRTIO_BLK_NO_LEGACY @@ -209,6 +211,9 @@ struct virtio_blk_config { #define VIRTIO_BLK_T_BARRIER 0x80000000 #endif /* !VIRTIO_BLK_NO_LEGACY */ =20 +/* Request flag bits */ +#define VIRTIO_BLK_REQ_FLAG_OUT_FUA 0 + /* * This comes first in the read scatter-gather list. * For legacy virtio, if VIRTIO_F_ANY_LAYOUT is not negotiated, @@ -217,8 +222,12 @@ struct virtio_blk_config { struct virtio_blk_outhdr { /* VIRTIO_BLK_T* */ __virtio32 type; - /* io priority. */ - __virtio32 ioprio; + union { + /* io priority. */ + __virtio32 ioprio; + /* Request flags. */ + __virtio32 flags; + }; /* Sector (ie. 512 byte offset) */ __virtio64 sector; }; --=20 2.56.0 From nobody Fri Oct 23 21:01:47 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1792563936; cv=none; d=zohomail.com; s=zohoarc; b=jJK2rFr6C+Mnin4vMqJUUooCTnX7buXuUkqH2ixOcItZSeAnT/4EMh/RGVOxqk/F35yanM2mwNQ4w+vvb/uRecJ+hMTwrVdowpcFtg4bLrkDTliqPn60HJqVlgi+a4aaJiCnegbjYJbpW9PZ8B/lLTVPZAPq/FrDlK+zRKOFYL4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1792563936; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ITQQf4+9OUpXt15a1JuTTXOMTcTV+MZs10sDbYWERXw=; b=fp75t7Ohpn2077ISHm/5NrrwRCnrQIUl5Uv7L3kE7wn+UmbW1bXz2hFk68NG9qIvdOs/i7eR5yOlHXBADy6cImSn1L1HSxp3G1uRpBp/Ux0mfwmx+NUURIw0yGTeXsEXwaWtlI2tl63/nZMWV23cdiQSPAeK+9BEzwOaaB2UZQo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1792563936145340.4113351698286; Tue, 20 Oct 2026 23:25:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xJPkV-0003Fn-I2; Wed, 21 Oct 2026 02:24:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xJPkQ-0003F3-Mw for qemu-devel@nongnu.org; Wed, 21 Oct 2026 02:24:26 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xJPkO-0003h1-C6 for qemu-devel@nongnu.org; Wed, 21 Oct 2026 02:24:26 -0400 Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-286--a9iRdhpMsOWxIteUR4szA-1; Wed, 21 Oct 2026 02:23:09 -0400 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 674511800611; Wed, 21 Oct 2026 06:23:08 +0000 (UTC) Received: from desktop (headnet04.pony-001.prod.iad2.dc.redhat.com [10.2.32.116]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id C81821800446; Wed, 21 Oct 2026 06:23:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1792563861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ITQQf4+9OUpXt15a1JuTTXOMTcTV+MZs10sDbYWERXw=; b=I9y+pCxsHCPKnXTvmcNFHAwY6eUbUrrb/nOsIj3Z6OqMsBZVk4LQBPA+jyUy+g28Kl3IoY ISPn1Pftj+4EZPRSMqBpAbMzPJS9zNKruihq6pavUGZlBQ9qAltnxiW7XHL7IzCUYJtNm2 PGjQmXsam23J9iTnEFYB+rydhETyOvY= X-MC-Unique: -a9iRdhpMsOWxIteUR4szA-1 X-Mimecast-MFC-AGG-ID: -a9iRdhpMsOWxIteUR4szA_1792563788 From: Alberto Faria To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , Zhao Liu , Paolo Bonzini , "Michael S. Tsirkin" , Stefan Hajnoczi , Cornelia Huck , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alberto Faria Subject: [PATCH 2/2] virtio-blk: Add support for FUA write requests Date: Wed, 21 Oct 2026 07:22:57 +0100 Message-ID: <20261021062257.735757-3-afaria@redhat.com> In-Reply-To: <20261021062257.735757-1-afaria@redhat.com> References: <20261021062257.735757-1-afaria@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass (zohomail.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=lists1p.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=afaria@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.329, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1792563937935158500 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alberto Faria --- hw/block/virtio-blk.c | 27 +++++++++++++++++++++++++++ hw/core/machine.c | 1 + hw/virtio/virtio-qmp.c | 4 ++++ include/hw/virtio/virtio-blk.h | 1 + 4 files changed, 33 insertions(+) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 61c341ce2c..3e01e043bd 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -219,6 +219,7 @@ static inline void submit_requests(VirtIOBlock *s, Mult= iReqBuffer *mrb, QEMUIOVector *qiov =3D &mrb->reqs[start]->qiov; int64_t sector_num =3D mrb->reqs[start]->sector_num; bool is_write =3D mrb->is_write; + bool is_fua =3D mrb->is_fua; BdrvRequestFlags flags =3D 0; =20 if (num_reqs > 1) { @@ -255,6 +256,9 @@ static inline void submit_requests(VirtIOBlock *s, Mult= iReqBuffer *mrb, } =20 if (is_write) { + if (is_fua) { + flags |=3D BDRV_REQ_FUA; + } blk_aio_pwritev(blk, sector_num << BDRV_SECTOR_BITS, qiov, flags, virtio_blk_rw_complete, mrb->reqs[start]); @@ -829,6 +833,7 @@ out: static int virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *= mrb) { uint32_t type; + uint32_t flags; struct iovec *in_iov =3D req->elem.in_sg; struct iovec *out_iov =3D req->elem.out_sg; unsigned in_num =3D req->elem.in_num; @@ -865,6 +870,7 @@ static int virtio_blk_handle_request(VirtIOBlockReq *re= q, MultiReqBuffer *mrb) &req->inhdr_undo); =20 type =3D virtio_ldl_p(vdev, &req->out.type); + flags =3D virtio_ldl_p(vdev, &req->out.flags); =20 /* VIRTIO_BLK_T_OUT defines the command direction. VIRTIO_BLK_T_BARRIER * is an optional flag. Although a guest should not send this flag if @@ -873,6 +879,9 @@ static int virtio_blk_handle_request(VirtIOBlockReq *re= q, MultiReqBuffer *mrb) case VIRTIO_BLK_T_IN: { bool is_write =3D type & VIRTIO_BLK_T_OUT; + bool is_fua =3D is_write && + virtio_vdev_has_feature(vdev, VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA) = && + (flags & (1U << VIRTIO_BLK_REQ_FLAG_OUT_FUA)); req->sector_num =3D virtio_ldq_p(vdev, &req->out.sector); =20 if (is_write) { @@ -900,6 +909,7 @@ static int virtio_blk_handle_request(VirtIOBlockReq *re= q, MultiReqBuffer *mrb) * changes */ if (mrb->num_reqs > 0 && (mrb->num_reqs =3D=3D VIRTIO_BLK_MAX_MERG= E_REQS || is_write !=3D mrb->is_write || + is_fua !=3D mrb->is_fua || !s->conf.request_merging)) { virtio_blk_submit_multireq(s, mrb); } @@ -907,6 +917,7 @@ static int virtio_blk_handle_request(VirtIOBlockReq *re= q, MultiReqBuffer *mrb) assert(mrb->num_reqs < VIRTIO_BLK_MAX_MERGE_REQS); mrb->reqs[mrb->num_reqs++] =3D req; mrb->is_write =3D is_write; + mrb->is_fua =3D is_fua; break; } case VIRTIO_BLK_T_FLUSH: @@ -1283,6 +1294,10 @@ static uint64_t virtio_blk_get_features(VirtIODevice= *vdev, uint64_t features, /* Firstly sync all virtio-blk possible supported features */ features |=3D s->host_features; =20 + if (virtio_has_feature(features, VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA)) { + virtio_add_feature(&features, VIRTIO_BLK_F_REQ_FLAGS); + } + virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX); virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY); virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY); @@ -1308,6 +1323,15 @@ static uint64_t virtio_blk_get_features(VirtIODevice= *vdev, uint64_t features, return features; } =20 +static int virtio_blk_validate_features(VirtIODevice *vdev) +{ + if (virtio_vdev_has_feature(vdev, VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA) && + !virtio_vdev_has_feature(vdev, VIRTIO_BLK_F_REQ_FLAGS)) { + return -EINVAL; + } + return 0; +} + static int virtio_blk_set_status(VirtIODevice *vdev, uint8_t status) { VirtIOBlock *s =3D VIRTIO_BLK(vdev); @@ -1925,6 +1949,8 @@ static const Property virtio_blk_properties[] =3D { conf.max_discard_sectors, BDRV_REQUEST_MAX_SECTORS), DEFINE_PROP_UINT32("max-write-zeroes-sectors", VirtIOBlock, conf.max_write_zeroes_sectors, BDRV_REQUEST_MAX_SEC= TORS), + DEFINE_PROP_BIT64("fua", VirtIOBlock, host_features, + VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA, true), DEFINE_PROP_BOOL("x-enable-wce-if-config-wce", VirtIOBlock, conf.x_enable_wce_if_config_wce, true), }; @@ -1942,6 +1968,7 @@ static void virtio_blk_class_init(ObjectClass *klass,= const void *data) vdc->get_config =3D virtio_blk_update_config; vdc->set_config =3D virtio_blk_set_config; vdc->get_features =3D virtio_blk_get_features; + vdc->validate_features =3D virtio_blk_validate_features; vdc->set_status =3D virtio_blk_set_status; vdc->reset =3D virtio_blk_reset; vdc->save =3D virtio_blk_save_device; diff --git a/hw/core/machine.c b/hw/core/machine.c index d9ac4b419a..7fc1853dab 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -43,6 +43,7 @@ GlobalProperty hw_compat_11_1[] =3D { { "sysbus-ehci-usb", "x-migrate-fetch-addr-64bit", "off" }, { "pci-ehci-usb", "x-migrate-fetch-addr-64bit", "off" }, + { "virtio-blk-device", "fua", "off" }, }; const size_t hw_compat_11_1_len =3D G_N_ELEMENTS(hw_compat_11_1); =20 diff --git a/hw/virtio/virtio-qmp.c b/hw/virtio/virtio-qmp.c index 5aaeebdd96..4aaab650c6 100644 --- a/hw/virtio/virtio-qmp.c +++ b/hw/virtio/virtio-qmp.c @@ -171,6 +171,10 @@ static const qmp_virtio_feature_map_t virtio_blk_featu= re_map[] =3D { "VIRTIO_BLK_F_SECURE_ERASE: Secure erase supported"), FEATURE_ENTRY(VIRTIO_BLK_F_ZONED, \ "VIRTIO_BLK_F_ZONED: Zoned block devices"), + FEATURE_ENTRY(VIRTIO_BLK_F_REQ_FLAGS, \ + "VIRTIO_BLK_F_REQ_FLAGS: Request flags supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA, \ + "VIRTIO_BLK_F_REQ_FLAGS_OUT_FUA: FUA flag for OUT requests"), FEATURE_ENTRY(VIRTIO_BLK_F_BARRIER, \ "VIRTIO_BLK_F_BARRIER: Request barriers supported"), FEATURE_ENTRY(VIRTIO_BLK_F_SCSI, \ diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h index 3d8dee7ec1..916df26b6f 100644 --- a/include/hw/virtio/virtio-blk.h +++ b/include/hw/virtio/virtio-blk.h @@ -98,6 +98,7 @@ typedef struct MultiReqBuffer { VirtIOBlockReq *reqs[VIRTIO_BLK_MAX_MERGE_REQS]; unsigned int num_reqs; bool is_write; + bool is_fua; } MultiReqBuffer; =20 typedef struct VirtIOBlkClass { --=20 2.56.0