From patchwork Mon Jan 22 21:11:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Brady X-Patchwork-Id: 13526258 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 078593D962 for ; Mon, 22 Jan 2024 21:11:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705957909; cv=none; b=DLA909kFJRk0FhhvgssRYncafna9CMnj5Zh09keA5jKWTnILjoqq9kQCx+ofeEJg8xkDaMO8a/683ANFSWimtHj6b0QlmK8tO7Xv5Qd832zS2yuhxUakx3piSuvtpyrRoPegjCkWQLnaH1omUgyu2W3QTUsP6F/Vy0/5fxiC4Sg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705957909; c=relaxed/simple; bh=Q1fi9rkFbgRgECvUVDlvyqmKnSKlcpa9Wv1HLK5jHXo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=o4SybioC6jysyFrathdzVNV0gcx9S2ZtniwpFfBXu7yK/QXA+3/vL57iI8wDnpYIjBUiK0ZLwTY6jeSp2htgUgpycp3+zEik/B8AK5NiVEMjp1kAfcOxBsysVHHcTcjS7U3rJ/0W2GOccSKVBZBHL252xskAaF0aZfgeSQz0jFs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=RQwX8ndu; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="RQwX8ndu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1705957908; x=1737493908; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q1fi9rkFbgRgECvUVDlvyqmKnSKlcpa9Wv1HLK5jHXo=; b=RQwX8ndufapwSKARdRc/D8hSg4JnpabsOqjM58qH5p+fMqcKxRZxZNzP zacb8mKohzUf3VD6FZ3njJ8FZ+lIJTXBIOYXQum5zxZj8FYwiTzWDKZ5K lIJjWQ/8j1JyVmgHAqw6ignU/8nMWxzRURoY0g+V7NyEcppblU3P4qj7w pNDGGN2mO7/JnqFVtv5X3nYXV0461duqvz7+F4GBXSwoHiIzWdgwWdaZ3 aBTzfFZ/hYrZLXA/Lf/wNXbiaE7Yqvo7/5URV88lLP8pyTNQBokCuOcHz XsMmexmNCF0NihMlIRJBMXt82vGmtu3fj4ifPQzGL4v+IeWPbIoWKK4Ev A==; X-IronPort-AV: E=McAfee;i="6600,9927,10961"; a="19897129" X-IronPort-AV: E=Sophos;i="6.05,212,1701158400"; d="scan'208";a="19897129" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jan 2024 13:11:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,212,1701158400"; d="scan'208";a="27494325" Received: from dev1-atbrady.jf.intel.com ([10.166.241.35]) by orviesa002.jf.intel.com with ESMTP; 22 Jan 2024 13:11:48 -0800 From: Alan Brady To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, Alan Brady , Igor Bagnucki , Przemek Kitszel , Joshua Hay Subject: [PATCH 2/6 iwl-next] idpf: refactor vport virtchnl messages Date: Mon, 22 Jan 2024 13:11:21 -0800 Message-Id: <20240122211125.840833-3-alan.brady@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240122211125.840833-1-alan.brady@intel.com> References: <20240122211125.840833-1-alan.brady@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org This reworks the way vport related virtchnl messages work to take advantage of the added transaction API. It is fairly mechanical as, to use the transaction API, the function just needs to fill out an appropriate idpf_vc_xn_params struct to pass to idpf_vc_xn_exec which will take care of the actual send and recv. Reviewed-by: Igor Bagnucki Reviewed-by: Przemek Kitszel Signed-off-by: Alan Brady Co-developed-by: Joshua Hay Signed-off-by: Joshua Hay --- .../net/ethernet/intel/idpf/idpf_virtchnl.c | 181 +++++++----------- 1 file changed, 69 insertions(+), 112 deletions(-) diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c index b33efa11e019..4cd5ffba184c 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c +++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c @@ -801,39 +801,12 @@ int idpf_recv_mb_msg(struct idpf_adapter *adapter, u32 op, */ switch (ctlq_msg.cookie.mbx.chnl_opcode) { case VIRTCHNL2_OP_VERSION: - err = idpf_vc_xn_forward_reply(adapter, &ctlq_msg); - break; case VIRTCHNL2_OP_GET_CAPS: - if (ctlq_msg.cookie.mbx.chnl_retval) { - dev_err(&adapter->pdev->dev, "Failure initializing, vc op: %u retval: %u\n", - ctlq_msg.cookie.mbx.chnl_opcode, - ctlq_msg.cookie.mbx.chnl_retval); - err = -EBADMSG; - } else if (msg) { - memcpy(msg, ctlq_msg.ctx.indirect.payload->va, - min_t(int, payload_size, msg_size)); - } - work_done = true; - break; case VIRTCHNL2_OP_CREATE_VPORT: - idpf_recv_vchnl_op(adapter, NULL, &ctlq_msg, - IDPF_VC_CREATE_VPORT, - IDPF_VC_CREATE_VPORT_ERR); - break; case VIRTCHNL2_OP_ENABLE_VPORT: - idpf_recv_vchnl_op(adapter, vport, &ctlq_msg, - IDPF_VC_ENA_VPORT, - IDPF_VC_ENA_VPORT_ERR); - break; case VIRTCHNL2_OP_DISABLE_VPORT: - idpf_recv_vchnl_op(adapter, vport, &ctlq_msg, - IDPF_VC_DIS_VPORT, - IDPF_VC_DIS_VPORT_ERR); - break; case VIRTCHNL2_OP_DESTROY_VPORT: - idpf_recv_vchnl_op(adapter, vport, &ctlq_msg, - IDPF_VC_DESTROY_VPORT, - IDPF_VC_DESTROY_VPORT_ERR); + err = idpf_vc_xn_forward_reply(adapter, &ctlq_msg); break; case VIRTCHNL2_OP_CONFIG_TX_QUEUES: idpf_recv_vchnl_op(adapter, vport, &ctlq_msg, @@ -1220,7 +1193,9 @@ static int idpf_send_ver_msg(struct idpf_adapter *adapter) */ static int idpf_send_get_caps_msg(struct idpf_adapter *adapter) { - struct virtchnl2_get_capabilities caps = { }; + struct virtchnl2_get_capabilities caps = {}; + struct idpf_vc_xn_params xn_params = {}; + ssize_t reply_sz; caps.csum_caps = cpu_to_le32(VIRTCHNL2_CAP_TX_CSUM_L3_IPV4 | @@ -1277,21 +1252,20 @@ static int idpf_send_get_caps_msg(struct idpf_adapter *adapter) VIRTCHNL2_CAP_PROMISC | VIRTCHNL2_CAP_LOOPBACK); - return idpf_send_mb_msg(adapter, VIRTCHNL2_OP_GET_CAPS, sizeof(caps), - (u8 *)&caps, 0); -} + xn_params.vc_op = VIRTCHNL2_OP_GET_CAPS; + xn_params.send_buf.iov_base = ∩︀ + xn_params.send_buf.iov_len = sizeof(caps); + xn_params.recv_buf.iov_base = &adapter->caps; + xn_params.recv_buf.iov_len = sizeof(adapter->caps); + xn_params.timeout_ms = IDPF_VC_XN_DEFAULT_TIMEOUT_MSEC; -/** - * idpf_recv_get_caps_msg - Receive virtchnl get capabilities message - * @adapter: Driver specific private structure - * - * Receive virtchnl get capabilities message. Returns 0 on success, negative on - * failure. - */ -static int idpf_recv_get_caps_msg(struct idpf_adapter *adapter) -{ - return idpf_recv_mb_msg(adapter, VIRTCHNL2_OP_GET_CAPS, &adapter->caps, - sizeof(struct virtchnl2_get_capabilities)); + reply_sz = idpf_vc_xn_exec(adapter, xn_params); + if (reply_sz < 0) + return reply_sz; + if (reply_sz < sizeof(adapter->caps)) + return -EIO; + + return 0; } /** @@ -1618,8 +1592,10 @@ int idpf_send_create_vport_msg(struct idpf_adapter *adapter, struct idpf_vport_max_q *max_q) { struct virtchnl2_create_vport *vport_msg; + struct idpf_vc_xn_params xn_params = {}; u16 idx = adapter->next_vport; int err, buf_size; + ssize_t reply_sz; buf_size = sizeof(struct virtchnl2_create_vport); if (!adapter->vport_params_reqd[idx]) { @@ -1650,35 +1626,38 @@ int idpf_send_create_vport_msg(struct idpf_adapter *adapter, return err; } - mutex_lock(&adapter->vc_buf_lock); - - err = idpf_send_mb_msg(adapter, VIRTCHNL2_OP_CREATE_VPORT, buf_size, - (u8 *)vport_msg, 0); - if (err) - goto rel_lock; - - err = idpf_wait_for_event(adapter, NULL, IDPF_VC_CREATE_VPORT, - IDPF_VC_CREATE_VPORT_ERR); - if (err) { - dev_err(&adapter->pdev->dev, "Failed to receive create vport message"); - - goto rel_lock; - } - if (!adapter->vport_params_recvd[idx]) { adapter->vport_params_recvd[idx] = kzalloc(IDPF_CTLQ_MAX_BUF_LEN, GFP_KERNEL); if (!adapter->vport_params_recvd[idx]) { err = -ENOMEM; - goto rel_lock; + goto free_vport_params; } } - vport_msg = adapter->vport_params_recvd[idx]; - memcpy(vport_msg, adapter->vc_msg, IDPF_CTLQ_MAX_BUF_LEN); + xn_params.vc_op = VIRTCHNL2_OP_CREATE_VPORT; + xn_params.send_buf.iov_base = vport_msg; + xn_params.send_buf.iov_len = buf_size; + xn_params.recv_buf.iov_base = adapter->vport_params_recvd[idx]; + xn_params.recv_buf.iov_len = IDPF_CTLQ_MAX_BUF_LEN; + xn_params.timeout_ms = IDPF_VC_XN_DEFAULT_TIMEOUT_MSEC; + reply_sz = idpf_vc_xn_exec(adapter, xn_params); + if (reply_sz < 0) { + err = reply_sz; + goto free_vport_params; + } + if (reply_sz < IDPF_CTLQ_MAX_BUF_LEN) { + err = -EIO; + goto free_vport_params; + } -rel_lock: - mutex_unlock(&adapter->vc_buf_lock); + return 0; + +free_vport_params: + kfree(adapter->vport_params_recvd[idx]); + adapter->vport_params_recvd[idx] = NULL; + kfree(adapter->vport_params_reqd[idx]); + adapter->vport_params_reqd[idx] = NULL; return err; } @@ -1730,26 +1709,19 @@ int idpf_check_supported_desc_ids(struct idpf_vport *vport) */ int idpf_send_destroy_vport_msg(struct idpf_vport *vport) { - struct idpf_adapter *adapter = vport->adapter; + struct idpf_vc_xn_params xn_params = {}; struct virtchnl2_vport v_id; - int err; + ssize_t reply_sz; v_id.vport_id = cpu_to_le32(vport->vport_id); - mutex_lock(&vport->vc_buf_lock); - - err = idpf_send_mb_msg(adapter, VIRTCHNL2_OP_DESTROY_VPORT, - sizeof(v_id), (u8 *)&v_id, 0); - if (err) - goto rel_lock; + xn_params.vc_op = VIRTCHNL2_OP_DESTROY_VPORT; + xn_params.send_buf.iov_base = &v_id; + xn_params.send_buf.iov_len = sizeof(v_id); + xn_params.timeout_ms = IDPF_VC_XN_MIN_TIMEOUT_MSEC; + reply_sz = idpf_vc_xn_exec(vport->adapter, xn_params); - err = idpf_min_wait_for_event(adapter, vport, IDPF_VC_DESTROY_VPORT, - IDPF_VC_DESTROY_VPORT_ERR); - -rel_lock: - mutex_unlock(&vport->vc_buf_lock); - - return err; + return reply_sz < 0 ? reply_sz : 0; } /** @@ -1761,26 +1733,19 @@ int idpf_send_destroy_vport_msg(struct idpf_vport *vport) */ int idpf_send_enable_vport_msg(struct idpf_vport *vport) { - struct idpf_adapter *adapter = vport->adapter; + struct idpf_vc_xn_params xn_params = {}; struct virtchnl2_vport v_id; - int err; + ssize_t reply_sz; v_id.vport_id = cpu_to_le32(vport->vport_id); - mutex_lock(&vport->vc_buf_lock); - - err = idpf_send_mb_msg(adapter, VIRTCHNL2_OP_ENABLE_VPORT, - sizeof(v_id), (u8 *)&v_id, 0); - if (err) - goto rel_lock; - - err = idpf_wait_for_event(adapter, vport, IDPF_VC_ENA_VPORT, - IDPF_VC_ENA_VPORT_ERR); - -rel_lock: - mutex_unlock(&vport->vc_buf_lock); + xn_params.vc_op = VIRTCHNL2_OP_ENABLE_VPORT; + xn_params.send_buf.iov_base = &v_id; + xn_params.send_buf.iov_len = sizeof(v_id); + xn_params.timeout_ms = IDPF_VC_XN_DEFAULT_TIMEOUT_MSEC; + reply_sz = idpf_vc_xn_exec(vport->adapter, xn_params); - return err; + return reply_sz < 0 ? reply_sz : 0; } /** @@ -1792,26 +1757,19 @@ int idpf_send_enable_vport_msg(struct idpf_vport *vport) */ int idpf_send_disable_vport_msg(struct idpf_vport *vport) { - struct idpf_adapter *adapter = vport->adapter; + struct idpf_vc_xn_params xn_params = {}; struct virtchnl2_vport v_id; - int err; + ssize_t reply_sz; v_id.vport_id = cpu_to_le32(vport->vport_id); - mutex_lock(&vport->vc_buf_lock); - - err = idpf_send_mb_msg(adapter, VIRTCHNL2_OP_DISABLE_VPORT, - sizeof(v_id), (u8 *)&v_id, 0); - if (err) - goto rel_lock; - - err = idpf_min_wait_for_event(adapter, vport, IDPF_VC_DIS_VPORT, - IDPF_VC_DIS_VPORT_ERR); + xn_params.vc_op = VIRTCHNL2_OP_DISABLE_VPORT; + xn_params.send_buf.iov_base = &v_id; + xn_params.send_buf.iov_len = sizeof(v_id); + xn_params.timeout_ms = IDPF_VC_XN_MIN_TIMEOUT_MSEC; + reply_sz = idpf_vc_xn_exec(vport->adapter, xn_params); -rel_lock: - mutex_unlock(&vport->vc_buf_lock); - - return err; + return reply_sz < 0 ? reply_sz : 0; } /** @@ -3429,9 +3387,6 @@ int idpf_vc_core_init(struct idpf_adapter *adapter) case 0: /* success, move state machine forward */ adapter->state = __IDPF_GET_CAPS; - err = idpf_send_get_caps_msg(adapter); - if (err) - goto init_failed; fallthrough; case -EAGAIN: goto restart; @@ -3442,13 +3397,15 @@ int idpf_vc_core_init(struct idpf_adapter *adapter) goto init_failed; } case __IDPF_GET_CAPS: - if (idpf_recv_get_caps_msg(adapter)) + err = idpf_send_get_caps_msg(adapter); + if (err) goto init_failed; adapter->state = __IDPF_INIT_SW; break; default: dev_err(&adapter->pdev->dev, "Device is in bad state: %d\n", adapter->state); + err = -EINVAL; goto init_failed; } break;