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
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(objp: out);
219 kfree(objp: 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, in_size: sizeof(in), out, out_size: 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

source code of linux/drivers/infiniband/hw/mlx5/cmd.c