From patchwork Wed Dec 24 05:23:01 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ouyang Changchun X-Patchwork-Id: 2148 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 99F6795FD; Wed, 24 Dec 2014 06:23:23 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 1403695F2 for ; Wed, 24 Dec 2014 06:23:19 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP; 23 Dec 2014 21:19:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,637,1413270000"; d="scan'208";a="628543231" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga001.jf.intel.com with ESMTP; 23 Dec 2014 21:23:18 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id sBO5NFlW027874; Wed, 24 Dec 2014 13:23:15 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id sBO5NDYt019574; Wed, 24 Dec 2014 13:23:15 +0800 Received: (from couyang@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id sBO5NDwY019570; Wed, 24 Dec 2014 13:23:13 +0800 From: Ouyang Changchun To: dev@dpdk.org Date: Wed, 24 Dec 2014 13:23:01 +0800 Message-Id: <1419398584-19520-4-git-send-email-changchun.ouyang@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1419398584-19520-1-git-send-email-changchun.ouyang@intel.com> References: <1419389808-9559-1-git-send-email-changchun.ouyang@intel.com> <1419398584-19520-1-git-send-email-changchun.ouyang@intel.com> Subject: [dpdk-dev] [PATCH v3 3/6] ixgbe: Get VF queue number X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Get the available Rx and Tx queue number when receiving IXGBE_VF_GET_QUEUES message from VF. Signed-off-by: Changchun Ouyang --- lib/librte_pmd_ixgbe/ixgbe_pf.c | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/lib/librte_pmd_ixgbe/ixgbe_pf.c b/lib/librte_pmd_ixgbe/ixgbe_pf.c index 495aff5..cbb0145 100644 --- a/lib/librte_pmd_ixgbe/ixgbe_pf.c +++ b/lib/librte_pmd_ixgbe/ixgbe_pf.c @@ -53,6 +53,8 @@ #include "ixgbe_ethdev.h" #define IXGBE_MAX_VFTA (128) +#define IXGBE_VF_MSG_SIZE_DEFAULT 1 +#define IXGBE_VF_GET_QUEUE_MSG_SIZE 5 static inline uint16_t dev_num_vf(struct rte_eth_dev *eth_dev) @@ -491,9 +493,36 @@ ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) } static int +ixgbe_get_vf_queues(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf) +{ + struct ixgbe_vf_info *vfinfo = + *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private); + uint32_t default_q = vf * RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; + + /* Verify if the PF supports the mbox APIs version or not */ + switch (vfinfo[vf].api_version) { + case ixgbe_mbox_api_20: + case ixgbe_mbox_api_11: + break; + default: + return -1; + } + + /* Notify VF of Rx and Tx queue number */ + msgbuf[IXGBE_VF_RX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; + msgbuf[IXGBE_VF_TX_QUEUES] = RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool; + + /* Notify VF of default queue */ + msgbuf[IXGBE_VF_DEF_QUEUE] = default_q; + + return 0; +} + +static int ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) { uint16_t mbx_size = IXGBE_VFMAILBOX_SIZE; + uint16_t msg_size = IXGBE_VF_MSG_SIZE_DEFAULT; uint32_t msgbuf[IXGBE_VFMAILBOX_SIZE]; int32_t retval; struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -537,6 +566,10 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) case IXGBE_VF_API_NEGOTIATE: retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf); break; + case IXGBE_VF_GET_QUEUES: + retval = ixgbe_get_vf_queues(dev, vf, msgbuf); + msg_size = IXGBE_VF_GET_QUEUE_MSG_SIZE; + break; default: PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]); retval = IXGBE_ERR_MBX; @@ -551,7 +584,7 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf) msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; - ixgbe_write_mbx(hw, msgbuf, 1, vf); + ixgbe_write_mbx(hw, msgbuf, msg_size, vf); return retval; }