269 lines · c
1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB2/*3 * Copyright (c) 2017-2020, Mellanox Technologies inc. All rights reserved.4 */5 6#include "cmd.h"7 8int mlx5r_cmd_query_special_mkeys(struct mlx5_ib_dev *dev)9{10 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {};11 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {};12 bool is_terminate, is_dump, is_null;13 int err;14 15 is_terminate = MLX5_CAP_GEN(dev->mdev, terminate_scatter_list_mkey);16 is_dump = MLX5_CAP_GEN(dev->mdev, dump_fill_mkey);17 is_null = MLX5_CAP_GEN(dev->mdev, null_mkey);18 19 dev->mkeys.terminate_scatter_list_mkey = MLX5_TERMINATE_SCATTER_LIST_LKEY;20 if (!is_terminate && !is_dump && !is_null)21 return 0;22 23 MLX5_SET(query_special_contexts_in, in, opcode,24 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);25 err = mlx5_cmd_exec_inout(dev->mdev, query_special_contexts, in, out);26 if (err)27 return err;28 29 if (is_dump)30 dev->mkeys.dump_fill_mkey = MLX5_GET(query_special_contexts_out,31 out, dump_fill_mkey);32 33 if (is_null)34 dev->mkeys.null_mkey = cpu_to_be32(35 MLX5_GET(query_special_contexts_out, out, null_mkey));36 37 if (is_terminate)38 dev->mkeys.terminate_scatter_list_mkey =39 cpu_to_be32(MLX5_GET(query_special_contexts_out, out,40 terminate_scatter_list_mkey));41 42 return 0;43}44 45int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point,46 void *out)47{48 u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = {};49 50 MLX5_SET(query_cong_params_in, in, opcode,51 MLX5_CMD_OP_QUERY_CONG_PARAMS);52 MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point);53 54 return mlx5_cmd_exec_inout(dev, query_cong_params, in, out);55}56 57void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid)58{59 u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};60 61 MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);62 MLX5_SET(destroy_tir_in, in, tirn, tirn);63 MLX5_SET(destroy_tir_in, in, uid, uid);64 mlx5_cmd_exec_in(dev, destroy_tir, in);65}66 67void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid)68{69 u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {};70 71 MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);72 MLX5_SET(destroy_tis_in, in, tisn, tisn);73 MLX5_SET(destroy_tis_in, in, uid, uid);74 mlx5_cmd_exec_in(dev, destroy_tis, in);75}76 77int mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid)78{79 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {};80 81 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);82 MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);83 MLX5_SET(destroy_rqt_in, in, uid, uid);84 return mlx5_cmd_exec_in(dev, destroy_rqt, in);85}86 87int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,88 u16 uid)89{90 u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {};91 u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {};92 int err;93 94 MLX5_SET(alloc_transport_domain_in, in, opcode,95 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);96 MLX5_SET(alloc_transport_domain_in, in, uid, uid);97 98 err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out);99 if (!err)100 *tdn = MLX5_GET(alloc_transport_domain_out, out,101 transport_domain);102 103 return err;104}105 106void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,107 u16 uid)108{109 u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {};110 111 MLX5_SET(dealloc_transport_domain_in, in, opcode,112 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);113 MLX5_SET(dealloc_transport_domain_in, in, uid, uid);114 MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);115 mlx5_cmd_exec_in(dev, dealloc_transport_domain, in);116}117 118int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)119{120 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};121 122 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);123 MLX5_SET(dealloc_pd_in, in, pd, pdn);124 MLX5_SET(dealloc_pd_in, in, uid, uid);125 return mlx5_cmd_exec_in(dev, dealloc_pd, in);126}127 128int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,129 u32 qpn, u16 uid)130{131 u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};132 void *gid;133 134 MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);135 MLX5_SET(attach_to_mcg_in, in, qpn, qpn);136 MLX5_SET(attach_to_mcg_in, in, uid, uid);137 gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);138 memcpy(gid, mgid, sizeof(*mgid));139 return mlx5_cmd_exec_in(dev, attach_to_mcg, in);140}141 142int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,143 u32 qpn, u16 uid)144{145 u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};146 void *gid;147 148 MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);149 MLX5_SET(detach_from_mcg_in, in, qpn, qpn);150 MLX5_SET(detach_from_mcg_in, in, uid, uid);151 gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);152 memcpy(gid, mgid, sizeof(*mgid));153 return mlx5_cmd_exec_in(dev, detach_from_mcg, in);154}155 156int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid)157{158 u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};159 u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};160 int err;161 162 MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);163 MLX5_SET(alloc_xrcd_in, in, uid, uid);164 err = mlx5_cmd_exec_inout(dev, alloc_xrcd, in, out);165 if (!err)166 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);167 return err;168}169 170int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)171{172 u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};173 174 MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);175 MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);176 MLX5_SET(dealloc_xrcd_in, in, uid, uid);177 return mlx5_cmd_exec_in(dev, dealloc_xrcd, in);178}179 180int mlx5_cmd_mad_ifc(struct mlx5_ib_dev *dev, const void *inb, void *outb,181 u16 opmod, u8 port)182{183 int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out);184 int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in);185 int err = -ENOMEM;186 void *data;187 void *resp;188 u32 *out;189 u32 *in;190 191 in = kzalloc(inlen, GFP_KERNEL);192 out = kzalloc(outlen, GFP_KERNEL);193 if (!in || !out)194 goto out;195 196 MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC);197 MLX5_SET(mad_ifc_in, in, op_mod, opmod);198 if (dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI) {199 MLX5_SET(mad_ifc_in, in, plane_index, port);200 MLX5_SET(mad_ifc_in, in, port,201 smi_to_native_portnum(dev, port));202 } else {203 MLX5_SET(mad_ifc_in, in, port, port);204 }205 206 data = MLX5_ADDR_OF(mad_ifc_in, in, mad);207 memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad));208 209 err = mlx5_cmd_exec_inout(dev->mdev, mad_ifc, in, out);210 if (err)211 goto out;212 213 resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet);214 memcpy(outb, resp,215 MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet));216 217out:218 kfree(out);219 kfree(in);220 return err;221}222 223int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid)224{225 u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {};226 u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {};227 int err;228 229 MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR);230 MLX5_SET(alloc_uar_in, in, uid, uid);231 err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out);232 if (err)233 return err;234 235 *uarn = MLX5_GET(alloc_uar_out, out, uar);236 return 0;237}238 239int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid)240{241 u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {};242 243 MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR);244 MLX5_SET(dealloc_uar_in, in, uar, uarn);245 MLX5_SET(dealloc_uar_in, in, uid, uid);246 return mlx5_cmd_exec_in(dev, dealloc_uar, in);247}248 249int mlx5_cmd_query_vuid(struct mlx5_core_dev *dev, bool data_direct,250 char *out_vuid)251{252 u8 out[MLX5_ST_SZ_BYTES(query_vuid_out) +253 MLX5_ST_SZ_BYTES(array1024_auto)] = {};254 u8 in[MLX5_ST_SZ_BYTES(query_vuid_in)] = {};255 char *vuid;256 int err;257 258 MLX5_SET(query_vuid_in, in, opcode, MLX5_CMD_OPCODE_QUERY_VUID);259 MLX5_SET(query_vuid_in, in, vhca_id, MLX5_CAP_GEN(dev, vhca_id));260 MLX5_SET(query_vuid_in, in, data_direct, data_direct);261 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));262 if (err)263 return err;264 265 vuid = MLX5_ADDR_OF(query_vuid_out, out, vuid);266 memcpy(out_vuid, vuid, MLX5_ST_SZ_BYTES(array1024_auto));267 return 0;268}269