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 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
 23int 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
 38int 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
 50void 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
 60void 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
 70int 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
 80int 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
 99void 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
111int 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
121int 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
135int 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
149int 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
163int 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
173int 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
204out:
205	kfree(out);
206	kfree(in);
207	return err;
208}