1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB 2 /* 3 * Copyright (c) 2017-2020, Mellanox Technologies inc. All rights reserved. 4 */ 5 6 #include "cmd.h" 7 8 int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey) 9 { 10 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; 11 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; 12 int err; 13 14 MLX5_SET(query_special_contexts_in, in, opcode, 15 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); 16 err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); 17 if (!err) 18 *mkey = MLX5_GET(query_special_contexts_out, out, 19 dump_fill_mkey); 20 return err; 21 } 22 23 int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey) 24 { 25 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; 26 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; 27 int err; 28 29 MLX5_SET(query_special_contexts_in, in, opcode, 30 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); 31 err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); 32 if (!err) 33 *null_mkey = MLX5_GET(query_special_contexts_out, out, 34 null_mkey); 35 return err; 36 } 37 38 int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, 39 void *out) 40 { 41 u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = {}; 42 43 MLX5_SET(query_cong_params_in, in, opcode, 44 MLX5_CMD_OP_QUERY_CONG_PARAMS); 45 MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point); 46 47 return mlx5_cmd_exec_inout(dev, query_cong_params, in, out); 48 } 49 50 void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid) 51 { 52 u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {}; 53 54 MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR); 55 MLX5_SET(destroy_tir_in, in, tirn, tirn); 56 MLX5_SET(destroy_tir_in, in, uid, uid); 57 mlx5_cmd_exec_in(dev, destroy_tir, in); 58 } 59 60 void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid) 61 { 62 u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {}; 63 64 MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS); 65 MLX5_SET(destroy_tis_in, in, tisn, tisn); 66 MLX5_SET(destroy_tis_in, in, uid, uid); 67 mlx5_cmd_exec_in(dev, destroy_tis, in); 68 } 69 70 int mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid) 71 { 72 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {}; 73 74 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT); 75 MLX5_SET(destroy_rqt_in, in, rqtn, rqtn); 76 MLX5_SET(destroy_rqt_in, in, uid, uid); 77 return mlx5_cmd_exec_in(dev, destroy_rqt, in); 78 } 79 80 int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn, 81 u16 uid) 82 { 83 u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {}; 84 u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {}; 85 int err; 86 87 MLX5_SET(alloc_transport_domain_in, in, opcode, 88 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN); 89 MLX5_SET(alloc_transport_domain_in, in, uid, uid); 90 91 err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out); 92 if (!err) 93 *tdn = MLX5_GET(alloc_transport_domain_out, out, 94 transport_domain); 95 96 return err; 97 } 98 99 void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn, 100 u16 uid) 101 { 102 u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {}; 103 104 MLX5_SET(dealloc_transport_domain_in, in, opcode, 105 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN); 106 MLX5_SET(dealloc_transport_domain_in, in, uid, uid); 107 MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn); 108 mlx5_cmd_exec_in(dev, dealloc_transport_domain, in); 109 } 110 111 int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid) 112 { 113 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {}; 114 115 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); 116 MLX5_SET(dealloc_pd_in, in, pd, pdn); 117 MLX5_SET(dealloc_pd_in, in, uid, uid); 118 return mlx5_cmd_exec_in(dev, dealloc_pd, in); 119 } 120 121 int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, 122 u32 qpn, u16 uid) 123 { 124 u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {}; 125 void *gid; 126 127 MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); 128 MLX5_SET(attach_to_mcg_in, in, qpn, qpn); 129 MLX5_SET(attach_to_mcg_in, in, uid, uid); 130 gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); 131 memcpy(gid, mgid, sizeof(*mgid)); 132 return mlx5_cmd_exec_in(dev, attach_to_mcg, in); 133 } 134 135 int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, 136 u32 qpn, u16 uid) 137 { 138 u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {}; 139 void *gid; 140 141 MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); 142 MLX5_SET(detach_from_mcg_in, in, qpn, qpn); 143 MLX5_SET(detach_from_mcg_in, in, uid, uid); 144 gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); 145 memcpy(gid, mgid, sizeof(*mgid)); 146 return mlx5_cmd_exec_in(dev, detach_from_mcg, in); 147 } 148 149 int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid) 150 { 151 u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {}; 152 u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {}; 153 int err; 154 155 MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD); 156 MLX5_SET(alloc_xrcd_in, in, uid, uid); 157 err = mlx5_cmd_exec_inout(dev, alloc_xrcd, in, out); 158 if (!err) 159 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd); 160 return err; 161 } 162 163 int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid) 164 { 165 u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {}; 166 167 MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD); 168 MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn); 169 MLX5_SET(dealloc_xrcd_in, in, uid, uid); 170 return mlx5_cmd_exec_in(dev, dealloc_xrcd, in); 171 } 172 173 int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, 174 u16 opmod, u8 port) 175 { 176 int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out); 177 int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in); 178 int err = -ENOMEM; 179 void *data; 180 void *resp; 181 u32 *out; 182 u32 *in; 183 184 in = kzalloc(inlen, GFP_KERNEL); 185 out = kzalloc(outlen, GFP_KERNEL); 186 if (!in || !out) 187 goto out; 188 189 MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC); 190 MLX5_SET(mad_ifc_in, in, op_mod, opmod); 191 MLX5_SET(mad_ifc_in, in, port, port); 192 193 data = MLX5_ADDR_OF(mad_ifc_in, in, mad); 194 memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad)); 195 196 err = mlx5_cmd_exec_inout(dev, mad_ifc, in, out); 197 if (err) 198 goto out; 199 200 resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet); 201 memcpy(outb, resp, 202 MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet)); 203 204 out: 205 kfree(out); 206 kfree(in); 207 return err; 208 } 209 210 int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid) 211 { 212 u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {}; 213 u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {}; 214 int err; 215 216 MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR); 217 MLX5_SET(alloc_uar_in, in, uid, uid); 218 err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out); 219 if (err) 220 return err; 221 222 *uarn = MLX5_GET(alloc_uar_out, out, uar); 223 return 0; 224 } 225 226 int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid) 227 { 228 u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {}; 229 230 MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR); 231 MLX5_SET(dealloc_uar_in, in, uar, uarn); 232 MLX5_SET(dealloc_uar_in, in, uid, uid); 233 return mlx5_cmd_exec_in(dev, dealloc_uar, in); 234 } 235