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(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}