From patchwork Thu Jul 20 18:14:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 13320949 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D18D2EB64DA for ; Thu, 20 Jul 2023 18:16:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qMYBR-0004Ed-SU; Thu, 20 Jul 2023 14:15:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qMYBI-0004DJ-5k for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:17 -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 1qMYBG-0003I1-D6 for qemu-devel@nongnu.org; Thu, 20 Jul 2023 14:15:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1689876913; 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=PYBd5yDnfH/T6/KePGzF5vmEZfP6eou01c1gPkfVF3Q=; b=ZXeCD2r906BTMntaNtu/sNwv4LUhFIykdQVJFZ7NmnMlbPu+IiMggS5Em1jbynTzvwNNhJ c3MjCJoB8tOmgXbMyR0PzuKQwTzkVUh1YP0B9Nf4YQghxbtFDVmGJrvwnezAkViH7euL0R uXaZKeBmIW4QnKM5P92JhGtnpS0/h74= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-369-dpdhQeiUPC6mx4dH7L738g-1; Thu, 20 Jul 2023 14:15:11 -0400 X-MC-Unique: dpdhQeiUPC6mx4dH7L738g-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3D39B8F1840; Thu, 20 Jul 2023 18:15:11 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.122]) by smtp.corp.redhat.com (Postfix) with ESMTP id E133C2166B26; Thu, 20 Jul 2023 18:15:09 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: yvugenfi@redhat.com, =?utf-8?q?Eugenio_P=C3=A9rez?= , si-wei.liu@oracle.com, Jason Wang , "Michael S. Tsirkin" , Dragos Tatulea , Shannon Nelson Subject: [RFC PATCH 05/12] vdpa: add vhost_vdpa_set_vring_ready_internal Date: Thu, 20 Jul 2023 20:14:52 +0200 Message-Id: <20230720181459.607008-6-eperezma@redhat.com> In-Reply-To: <20230720181459.607008-1-eperezma@redhat.com> References: <20230720181459.607008-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Reset a virtqueue reuses this call with .num = 0, so let's make it possible to use that way. Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-vdpa.c | 12 +++++++++--- hw/virtio/trace-events | 2 +- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index f51f5d9969..e7ab69165c 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -528,19 +528,25 @@ int vhost_vdpa_get_iova_range(int fd, struct vhost_vdpa_iova_range *iova_range) return ret < 0 ? -errno : 0; } -int vhost_vdpa_set_vring_ready(struct vhost_vdpa *v, unsigned idx) +static int vhost_vdpa_set_vring_ready_internal(struct vhost_vdpa *v, + unsigned idx, bool enable) { struct vhost_dev *dev = v->dev; struct vhost_vring_state state = { .index = idx, - .num = 1, + .num = enable, }; int r = vhost_vdpa_call(dev, VHOST_VDPA_SET_VRING_ENABLE, &state); - trace_vhost_vdpa_set_vring_ready(dev, idx, r); + trace_vhost_vdpa_set_vring_ready(dev, idx, enable, r); return r; } +int vhost_vdpa_set_vring_ready(struct vhost_vdpa *v, unsigned idx) +{ + return vhost_vdpa_set_vring_ready_internal(v, idx, true); +} + /* * The use of this function is for requests that only need to be * applied once. Typically such request occurs at the beginning diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 4f6a6ba428..9b90da73af 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -46,7 +46,7 @@ vhost_vdpa_set_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRI vhost_vdpa_get_device_id(void *dev, uint32_t device_id) "dev: %p device_id %"PRIu32 vhost_vdpa_reset_device(void *dev, uint8_t status) "dev: %p status: 0x%"PRIx8 vhost_vdpa_get_vq_index(void *dev, int idx, int vq_idx) "dev: %p idx: %d vq idx: %d" -vhost_vdpa_set_vring_ready(void *dev, unsigned i, int r) "dev: %p, idx: %u, r: %d" +vhost_vdpa_set_vring_ready(void *dev, unsigned i, bool e, int r) "dev: %p, idx: %u, num: %d, r: %d" vhost_vdpa_dump_config(void *dev, const char *line) "dev: %p %s" vhost_vdpa_set_config(void *dev, uint32_t offset, uint32_t size, uint32_t flags) "dev: %p offset: %"PRIu32" size: %"PRIu32" flags: 0x%"PRIx32 vhost_vdpa_get_config(void *dev, void *config, uint32_t config_len) "dev: %p config: %p config_len: %"PRIu32