From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E1149A00C5; Sun, 5 Jul 2020 11:25:39 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8D9C21DB26; Sun, 5 Jul 2020 11:24:49 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id D54EF1DB40 for ; Sun, 5 Jul 2020 11:24:47 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE1 (envelope-from orika@mellanox.com) with SMTP; 5 Jul 2020 12:24:46 +0300 Received: from pegasus04.mtr.labs.mlnx. (pegasus04.mtr.labs.mlnx [10.210.16.126]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 0659OC3t028191; Sun, 5 Jul 2020 12:24:45 +0300 From: Ori Kam To: jerinj@marvell.com, xiang.w.wang@intel.com, matan@mellanox.com, viacheslavo@mellanox.com, Shahaf Shuler , Ray Kinsella , Neil Horman Cc: guyk@marvell.com, dev@dpdk.org, pbhagavatula@marvell.com, hemant.agrawal@nxp.com, opher@mellanox.com, alexr@mellanox.com, dovrat@marvell.com, pkapoor@marvell.com, nipun.gupta@nxp.com, bruce.richardson@intel.com, yang.a.hong@intel.com, harry.chang@intel.com, gu.jian1@zte.com.cn, shanjiangh@chinatelecom.cn, zhangy.yun@chinatelecom.cn, lixingfu@huachentel.com, wushuai@inspur.com, yuyingxia@yxlink.com, fanchenggang@sunyainfo.com, davidfgao@tencent.com, liuzhong1@chinaunicom.cn, zhaoyong11@huawei.com, oc@yunify.com, jim@netgate.com, hongjun.ni@intel.com, deri@ntop.org, fc@napatech.com, arthur.su@lionic.com, thomas@monjalon.net, orika@mellanox.com, rasland@mellanox.com Date: Sun, 5 Jul 2020 09:23:36 +0000 Message-Id: <1593941027-86651-10-git-send-email-orika@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1593941027-86651-1-git-send-email-orika@mellanox.com> References: <1593941027-86651-1-git-send-email-orika@mellanox.com> Subject: [dpdk-dev] [PATCH 09/20] common/mlx5: add write and read RXP registers X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This commits add the write and read RXP registers functionality. Signed-off-by: Ori Kam --- drivers/common/mlx5/mlx5_devx_cmds.c | 78 +++++++++++++++++++++++++ drivers/common/mlx5/mlx5_devx_cmds.h | 10 ++++ drivers/common/mlx5/rte_common_mlx5_version.map | 2 + 3 files changed, 90 insertions(+) diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c index f8760e6..4fad7cd 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.c +++ b/drivers/common/mlx5/mlx5_devx_cmds.c @@ -1720,3 +1720,81 @@ struct mlx5_devx_obj * return 0; } +/** + * Write to RXP registers. + * + * @param ctx + * ibv device handle + * @param engine_id + * Chooses on which engine the register will be written.. + * @param addr + * Register address. + * @param data + * Data to be written to the register. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +int +mlx5_devx_regex_register_write(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t data) +{ + uint32_t out[DEVX_ST_SZ_DW(set_regexp_register_out)] = {}; + uint32_t in[DEVX_ST_SZ_DW(set_regexp_register_in)] = {}; + int ret; + + DEVX_SET(set_regexp_register_in, in, opcode, + MLX5_CMD_SET_REGEX_REGISTERS); + DEVX_SET(set_regexp_register_in, in, engine_id, engine_id); + DEVX_SET(set_regexp_register_in, in, register_address, addr); + DEVX_SET(set_regexp_register_in, in, register_data, data); + + ret = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, + sizeof(out)); + if (ret) { + DRV_LOG(ERR, "Set regexp register failed %d", ret); + rte_errno = errno; + return -errno; + } + return 0; +} + + +/** + * Read from RXP registers + * + * @param ctx + * ibv device handle + * @param engine_id + * Chooses from which engine to read. + * @param addr + * Register address. + * @param data + * Output containing the pointer to the data.. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +int +mlx5_devx_regex_register_read(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t *data) +{ + uint32_t out[DEVX_ST_SZ_DW(query_regexp_register_out)] = {}; + uint32_t in[DEVX_ST_SZ_DW(query_regexp_register_in)] = {}; + int ret; + + DEVX_SET(query_regexp_register_in, in, opcode, + MLX5_CMD_QUERY_REGEX_REGISTERS); + DEVX_SET(query_regexp_register_in, in, engine_id, engine_id); + DEVX_SET(query_regexp_register_in, in, register_address, addr); + + ret = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, + sizeof(out)); + if (ret) { + DRV_LOG(ERR, "Query regexp register failed %d", ret); + rte_errno = errno; + return -errno; + } + *data = DEVX_GET(query_regexp_register_out, out, register_data); + return 0; +} diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h index 655e31f..a2a9045 100644 --- a/drivers/common/mlx5/mlx5_devx_cmds.h +++ b/drivers/common/mlx5/mlx5_devx_cmds.h @@ -374,6 +374,10 @@ int mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, __rte_internal int mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt, struct mlx5_devx_rqt_attr *rqt_attr); +int mlx5_devx_regex_register_write(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t data); +int mlx5_devx_regex_register_read(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t *data); /** * Create virtio queue counters object DevX API. @@ -408,4 +412,10 @@ int mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj, __rte_internal int mlx5_devx_regex_database_program(void *ctx, uint8_t engine, uint32_t umem_id, uint64_t umem_offset); +__rte_internal +int mlx5_devx_regex_register_read(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t *data); +__rte_internal +int mlx5_devx_regex_register_write(struct ibv_context *ctx, int engine_id, + uint32_t addr, uint32_t data); #endif /* RTE_PMD_MLX5_DEVX_CMDS_H_ */ diff --git a/drivers/common/mlx5/rte_common_mlx5_version.map b/drivers/common/mlx5/rte_common_mlx5_version.map index 6054d39..138719d 100644 --- a/drivers/common/mlx5/rte_common_mlx5_version.map +++ b/drivers/common/mlx5/rte_common_mlx5_version.map @@ -38,6 +38,8 @@ INTERNAL { mlx5_devx_regex_database_program; mlx5_devx_regex_database_resume; mlx5_devx_regex_database_stop; + mlx5_devx_regex_register_read; + mlx5_devx_regex_register_write; mlx5_get_ifname_sysfs; mlx5_get_dbr; -- 1.8.3.1