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 
mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev * dev,u32 * mkey)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 
mlx5_cmd_null_mkey(struct mlx5_core_dev * dev,u32 * null_mkey)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 
mlx5_cmd_query_cong_params(struct mlx5_core_dev * dev,int cong_point,void * out)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 
mlx5_cmd_destroy_tir(struct mlx5_core_dev * dev,u32 tirn,u16 uid)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 
mlx5_cmd_destroy_tis(struct mlx5_core_dev * dev,u32 tisn,u16 uid)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 
mlx5_cmd_destroy_rqt(struct mlx5_core_dev * dev,u32 rqtn,u16 uid)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 
mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev * dev,u32 * tdn,u16 uid)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 
mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev * dev,u32 tdn,u16 uid)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 
mlx5_cmd_dealloc_pd(struct mlx5_core_dev * dev,u32 pdn,u16 uid)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 
mlx5_cmd_attach_mcg(struct mlx5_core_dev * dev,union ib_gid * mgid,u32 qpn,u16 uid)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 
mlx5_cmd_detach_mcg(struct mlx5_core_dev * dev,union ib_gid * mgid,u32 qpn,u16 uid)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 
mlx5_cmd_xrcd_alloc(struct mlx5_core_dev * dev,u32 * xrcdn,u16 uid)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 
mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev * dev,u32 xrcdn,u16 uid)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 
mlx5_cmd_mad_ifc(struct mlx5_core_dev * dev,const void * inb,void * outb,u16 opmod,u8 port)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 
mlx5_cmd_uar_alloc(struct mlx5_core_dev * dev,u32 * uarn,u16 uid)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 
mlx5_cmd_uar_dealloc(struct mlx5_core_dev * dev,u32 uarn,u16 uid)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