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 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 45 int 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 57 void 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 67 void 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 77 int 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 87 int 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 } 105 106 void 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 } 117 118 int 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 } 127 128 int 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 } 141 142 int 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 } 155 156 int 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 } 169 170 int 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 } 179 180 int mlx5_cmd_mad_ifc(struct mlx5_core_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 MLX5_SET(mad_ifc_in, in, port, port); 199 200 data = MLX5_ADDR_OF(mad_ifc_in, in, mad); 201 memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad)); 202 203 err = mlx5_cmd_exec_inout(dev, mad_ifc, in, out); 204 if (err) 205 goto out; 206 207 resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet); 208 memcpy(outb, resp, 209 MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet)); 210 211 out: 212 kfree(out); 213 kfree(in); 214 return err; 215 } 216 217 int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid) 218 { 219 u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {}; 220 u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {}; 221 int err; 222 223 MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR); 224 MLX5_SET(alloc_uar_in, in, uid, uid); 225 err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out); 226 if (err) 227 return err; 228 229 *uarn = MLX5_GET(alloc_uar_out, out, uar); 230 return 0; 231 } 232 233 int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid) 234 { 235 u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {}; 236 237 MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR); 238 MLX5_SET(dealloc_uar_in, in, uar, uarn); 239 MLX5_SET(dealloc_uar_in, in, uid, uid); 240 return mlx5_cmd_exec_in(dev, dealloc_uar, in); 241 } 242