From patchwork Mon Mar 28 07:17:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Pei, Andy" X-Patchwork-Id: 108910 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8C0F8A034C; Mon, 28 Mar 2022 10:02:07 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5AFCA42886; Mon, 28 Mar 2022 10:01:57 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id 967BA42886 for ; Mon, 28 Mar 2022 10:01:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648454515; x=1679990515; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=m+sfQ7SnSTerI73CyYBt0TwISGCQxwb1DzCiEuH5IbA=; b=fSr/J3sBlOo8q6JA1RLzCxmiRojUkwTZMR9JWomVH2Je9CtK0bfRaa7t ZQhtB4jVwHgAKPn+0kJLK/qJyrFgRtsm1H2JRc7ejxNhznfnsbrVfG2jg 6gUvSNU4ONj0+JpeXegYECfZJgyu8cndIg4QmGfKY1P3W4RR7vhD9qNxt W7REpSRyFfyQPv9G+5yXS9tflEFaOGMJqXMMAis1mIXvMC/Ry6wBOCcKm oL5+IeNIhnwxjAnoQ7+mL9CyboUK3mm+3PDgxMdiEeLJohXbSsSJQjiGG gSLE/17OB7pQkeX4yoIAbIfl/R6whUHseGnOuar+FfdKO4MJpdmtxuDin A==; X-IronPort-AV: E=McAfee;i="6200,9189,10299"; a="256515727" X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="256515727" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2022 01:01:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,216,1643702400"; d="scan'208";a="563421566" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga008.jf.intel.com with ESMTP; 28 Mar 2022 01:01:46 -0700 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com, changpeng.liu@intel.com Subject: [PATCH v5 03/16] vhost: add support for VHOST_USER_GET_CONFIG and VHOST_USER_SET_CONFIG Date: Mon, 28 Mar 2022 15:17:29 +0800 Message-Id: <1648451862-123318-4-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1648451862-123318-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1648451862-123318-1-git-send-email-andy.pei@intel.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add support for VHOST_USER_GET_CONFIG and VHOST_USER_SET_CONFIG. VHOST_USER_GET_CONFIG and VHOST_USER_SET_CONFIG message is only supported by virtio blk VDPA device. Signed-off-by: Andy Pei --- lib/vhost/vhost_user.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ lib/vhost/vhost_user.h | 15 +++++++++++++++ 2 files changed, 65 insertions(+) diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c index 1d39067..55e8bd0 100644 --- a/lib/vhost/vhost_user.c +++ b/lib/vhost/vhost_user.c @@ -80,6 +80,8 @@ [VHOST_USER_NET_SET_MTU] = "VHOST_USER_NET_SET_MTU", [VHOST_USER_SET_SLAVE_REQ_FD] = "VHOST_USER_SET_SLAVE_REQ_FD", [VHOST_USER_IOTLB_MSG] = "VHOST_USER_IOTLB_MSG", + [VHOST_USER_GET_CONFIG] = "VHOST_USER_GET_CONFIG", + [VHOST_USER_SET_CONFIG] = "VHOST_USER_SET_CONFIG", [VHOST_USER_CRYPTO_CREATE_SESS] = "VHOST_USER_CRYPTO_CREATE_SESS", [VHOST_USER_CRYPTO_CLOSE_SESS] = "VHOST_USER_CRYPTO_CLOSE_SESS", [VHOST_USER_POSTCOPY_ADVISE] = "VHOST_USER_POSTCOPY_ADVISE", @@ -2542,6 +2544,52 @@ static int is_vring_iotlb(struct virtio_net *dev, } static int +vhost_user_get_config(struct virtio_net **pdev, + struct vhu_msg_context *ctx, + int main_fd __rte_unused) +{ + struct virtio_net *dev = *pdev; + struct rte_vdpa_device *vdpa_dev = dev->vdpa_dev; + int ret = 0; + + if (vdpa_dev->ops->get_config) { + ret = vdpa_dev->ops->get_config(dev->vid, + ctx->msg.payload.cfg.region, + ctx->msg.payload.cfg.size); + if (ret != 0) { + ctx->msg.size = 0; + VHOST_LOG_CONFIG(ERR, "get_config() return error!\n"); + } + } else { + VHOST_LOG_CONFIG(ERR, "get_config() not supported!\n"); + } + + return RTE_VHOST_MSG_RESULT_REPLY; +} + +static int +vhost_user_set_config(struct virtio_net **pdev, + struct vhu_msg_context *ctx, + int main_fd __rte_unused) +{ + struct virtio_net *dev = *pdev; + struct rte_vdpa_device *vdpa_dev = dev->vdpa_dev; + int ret = 0; + + if (vdpa_dev->ops->set_config) { + ret = vdpa_dev->ops->set_config(dev->vid, + ctx->msg.payload.cfg.region, + ctx->msg.payload.cfg.offset, + ctx->msg.payload.cfg.size, + ctx->msg.payload.cfg.flags); + } else { + VHOST_LOG_CONFIG(ERR, "set_config() not supported!\n"); + } + + return ret == 0 ? RTE_VHOST_MSG_RESULT_OK : RTE_VHOST_MSG_RESULT_ERR; +} + +static int vhost_user_iotlb_msg(struct virtio_net **pdev, struct vhu_msg_context *ctx, int main_fd __rte_unused) @@ -2782,6 +2830,8 @@ typedef int (*vhost_message_handler_t)(struct virtio_net **pdev, [VHOST_USER_NET_SET_MTU] = vhost_user_net_set_mtu, [VHOST_USER_SET_SLAVE_REQ_FD] = vhost_user_set_req_fd, [VHOST_USER_IOTLB_MSG] = vhost_user_iotlb_msg, + [VHOST_USER_GET_CONFIG] = vhost_user_get_config, + [VHOST_USER_SET_CONFIG] = vhost_user_set_config, [VHOST_USER_POSTCOPY_ADVISE] = vhost_user_set_postcopy_advise, [VHOST_USER_POSTCOPY_LISTEN] = vhost_user_set_postcopy_listen, [VHOST_USER_POSTCOPY_END] = vhost_user_postcopy_end, diff --git a/lib/vhost/vhost_user.h b/lib/vhost/vhost_user.h index c946cc2..d3f014e 100644 --- a/lib/vhost/vhost_user.h +++ b/lib/vhost/vhost_user.h @@ -50,6 +50,8 @@ VHOST_USER_NET_SET_MTU = 20, VHOST_USER_SET_SLAVE_REQ_FD = 21, VHOST_USER_IOTLB_MSG = 22, + VHOST_USER_GET_CONFIG = 24, + VHOST_USER_SET_CONFIG = 25, VHOST_USER_CRYPTO_CREATE_SESS = 26, VHOST_USER_CRYPTO_CLOSE_SESS = 27, VHOST_USER_POSTCOPY_ADVISE = 28, @@ -125,6 +127,18 @@ uint16_t queue_size; } VhostUserInflight; +#ifndef VHOST_USER_MAX_CONFIG_SIZE +#define VHOST_USER_MAX_CONFIG_SIZE 256 +#endif + +/** Get/set config msg payload */ +struct vhost_user_config { + uint32_t offset; + uint32_t size; + uint32_t flags; + uint8_t region[VHOST_USER_MAX_CONFIG_SIZE]; +}; + typedef struct VhostUserMsg { union { uint32_t master; /* a VhostUserRequest value */ @@ -148,6 +162,7 @@ VhostUserCryptoSessionParam crypto_session; VhostUserVringArea area; VhostUserInflight inflight; + struct vhost_user_config cfg; } payload; /* Nothing should be added after the payload */ } __rte_packed VhostUserMsg;