1 /*-
2  * Copyright (c) 2013-2017, Mellanox Technologies, Ltd.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #include "opt_rss.h"
29 #include "opt_ratelimit.h"
30 
31 #include <dev/mlx5/driver.h>
32 #include <dev/mlx5/mlx5_core/mlx5_core.h>
33 #include <dev/mlx5/mlx5_core/transobj.h>
34 
mlx5_alloc_transport_domain(struct mlx5_core_dev * dev,u32 * tdn)35 int mlx5_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn)
36 {
37 	u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
38 	u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
39 	int err;
40 
41 	MLX5_SET(alloc_transport_domain_in, in, opcode,
42 		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
43 
44 	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
45 	if (!err)
46 		*tdn = MLX5_GET(alloc_transport_domain_out, out,
47 				transport_domain);
48 
49 	return err;
50 }
51 
mlx5_dealloc_transport_domain(struct mlx5_core_dev * dev,u32 tdn)52 void mlx5_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn)
53 {
54 	u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {0};
55 	u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0};
56 
57 	MLX5_SET(dealloc_transport_domain_in, in, opcode,
58 		 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
59 	MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
60 
61 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
62 }
63 
mlx5_core_create_rq(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * rqn)64 int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
65 {
66 	u32 out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
67 	int err;
68 
69 	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
70 
71 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
72 	if (!err)
73 		*rqn = MLX5_GET(create_rq_out, out, rqn);
74 
75 	return err;
76 }
77 
mlx5_core_modify_rq(struct mlx5_core_dev * dev,u32 * in,int inlen)78 int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 *in, int inlen)
79 {
80 	u32 out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
81 
82 	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
83 
84 	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
85 }
86 
mlx5_core_destroy_rq(struct mlx5_core_dev * dev,u32 rqn)87 void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn)
88 {
89 	u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {0};
90 	u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {0};
91 
92 	MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
93 	MLX5_SET(destroy_rq_in, in, rqn, rqn);
94 
95 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
96 }
97 
mlx5_core_query_rq(struct mlx5_core_dev * dev,u32 rqn,u32 * out)98 int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out)
99 {
100 	u32 in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
101 	int outlen = MLX5_ST_SZ_BYTES(query_rq_out);
102 
103 	MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
104 	MLX5_SET(query_rq_in, in, rqn, rqn);
105 
106 	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
107 }
108 
mlx5_core_create_sq(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * sqn)109 int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
110 {
111 	u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
112 	int err;
113 
114 	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
115 
116 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
117 	if (!err)
118 		*sqn = MLX5_GET(create_sq_out, out, sqn);
119 
120 	return err;
121 }
122 
mlx5_core_modify_sq(struct mlx5_core_dev * dev,u32 * in,int inlen)123 int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 *in, int inlen)
124 {
125 	u32 out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
126 
127 	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
128 
129 	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
130 }
131 
mlx5_core_destroy_sq(struct mlx5_core_dev * dev,u32 sqn)132 void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn)
133 {
134 	u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {0};
135 	u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {0};
136 
137 	MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
138 	MLX5_SET(destroy_sq_in, in, sqn, sqn);
139 
140 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
141 }
142 
mlx5_core_query_sq(struct mlx5_core_dev * dev,u32 sqn,u32 * out)143 int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out)
144 {
145 	u32 in[MLX5_ST_SZ_DW(query_sq_in)] = {0};
146 	int outlen = MLX5_ST_SZ_BYTES(query_sq_out);
147 
148 	MLX5_SET(query_sq_in, in, opcode, MLX5_CMD_OP_QUERY_SQ);
149 	MLX5_SET(query_sq_in, in, sqn, sqn);
150 
151 	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
152 }
153 
mlx5_core_create_tir(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * tirn)154 int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
155 			 u32 *tirn)
156 {
157 	u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
158 	int err;
159 
160 	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
161 
162 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
163 	if (!err)
164 		*tirn = MLX5_GET(create_tir_out, out, tirn);
165 
166 	return err;
167 }
168 
mlx5_core_destroy_tir(struct mlx5_core_dev * dev,u32 tirn)169 void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
170 {
171 	u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {0};
172 	u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {0};
173 
174 	MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
175 	MLX5_SET(destroy_tir_in, in, tirn, tirn);
176 
177 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
178 }
179 
mlx5_core_create_tis(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * tisn)180 int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
181 			 u32 *tisn)
182 {
183 	u32 out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
184 	int err;
185 
186 	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
187 
188 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
189 	if (!err)
190 		*tisn = MLX5_GET(create_tis_out, out, tisn);
191 
192 	return err;
193 }
194 
mlx5_core_modify_tis(struct mlx5_core_dev * dev,u32 tisn,u32 * in,int inlen)195 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
196 			 int inlen)
197 {
198 	u32 out[MLX5_ST_SZ_DW(modify_tis_out)] = {0};
199 
200 	MLX5_SET(modify_tis_in, in, tisn, tisn);
201 	MLX5_SET(modify_tis_in, in, opcode, MLX5_CMD_OP_MODIFY_TIS);
202 
203 	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
204 }
205 
mlx5_core_destroy_tis(struct mlx5_core_dev * dev,u32 tisn)206 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
207 {
208 	u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {0};
209 	u32 out[MLX5_ST_SZ_DW(destroy_tis_out)] = {0};
210 
211 	MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
212 	MLX5_SET(destroy_tis_in, in, tisn, tisn);
213 
214 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
215 }
216 
mlx5_core_create_rmp(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * rmpn)217 int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rmpn)
218 {
219 	u32 out[MLX5_ST_SZ_DW(create_rmp_out)] = {0};
220 	int err;
221 
222 	MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
223 
224 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
225 	if (!err)
226 		*rmpn = MLX5_GET(create_rmp_out, out, rmpn);
227 
228 	return err;
229 }
230 
mlx5_core_modify_rmp(struct mlx5_core_dev * dev,u32 * in,int inlen)231 int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen)
232 {
233 	u32 out[MLX5_ST_SZ_DW(modify_rmp_out)] = {0};
234 
235 	MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
236 
237 	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
238 }
239 
mlx5_core_destroy_rmp(struct mlx5_core_dev * dev,u32 rmpn)240 int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn)
241 {
242 	u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)] = {0};
243 	u32 out[MLX5_ST_SZ_DW(destroy_rmp_out)] = {0};
244 
245 	MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
246 	MLX5_SET(destroy_rmp_in, in, rmpn, rmpn);
247 
248 	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
249 }
250 
mlx5_core_query_rmp(struct mlx5_core_dev * dev,u32 rmpn,u32 * out)251 int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out)
252 {
253 	u32 in[MLX5_ST_SZ_DW(query_rmp_in)] = {0};
254 	int outlen = MLX5_ST_SZ_BYTES(query_rmp_out);
255 
256 	MLX5_SET(query_rmp_in, in, opcode, MLX5_CMD_OP_QUERY_RMP);
257 	MLX5_SET(query_rmp_in, in, rmpn,   rmpn);
258 
259 	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
260 }
261 
mlx5_core_arm_rmp(struct mlx5_core_dev * dev,u32 rmpn,u16 lwm)262 int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm)
263 {
264 	void *in;
265 	void *rmpc;
266 	void *wq;
267 	void *bitmask;
268 	int  err;
269 
270 	in = mlx5_vzalloc(MLX5_ST_SZ_BYTES(modify_rmp_in));
271 	if (!in)
272 		return -ENOMEM;
273 
274 	rmpc    = MLX5_ADDR_OF(modify_rmp_in,   in,   ctx);
275 	bitmask = MLX5_ADDR_OF(modify_rmp_in,   in,   bitmask);
276 	wq      = MLX5_ADDR_OF(rmpc,	        rmpc, wq);
277 
278 	MLX5_SET(modify_rmp_in, in,	 rmp_state, MLX5_RMPC_STATE_RDY);
279 	MLX5_SET(modify_rmp_in, in,	 rmpn,      rmpn);
280 	MLX5_SET(wq,		wq,	 lwm,	    lwm);
281 	MLX5_SET(rmp_bitmask,	bitmask, lwm,	    1);
282 	MLX5_SET(rmpc,		rmpc,	 state,	    MLX5_RMPC_STATE_RDY);
283 
284 	err =  mlx5_core_modify_rmp(dev, in, MLX5_ST_SZ_BYTES(modify_rmp_in));
285 
286 	kvfree(in);
287 
288 	return err;
289 }
290 
mlx5_core_create_xsrq(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * xsrqn)291 int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *xsrqn)
292 {
293 	u32 out[MLX5_ST_SZ_DW(create_xrc_srq_out)] = {0};
294 	int err;
295 
296 	MLX5_SET(create_xrc_srq_in, in, opcode,     MLX5_CMD_OP_CREATE_XRC_SRQ);
297 
298 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
299 	if (!err)
300 		*xsrqn = MLX5_GET(create_xrc_srq_out, out, xrc_srqn);
301 
302 	return err;
303 }
304 
mlx5_core_destroy_xsrq(struct mlx5_core_dev * dev,u32 xsrqn)305 int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 xsrqn)
306 {
307 	u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)] = {0};
308 	u32 out[MLX5_ST_SZ_DW(destroy_xrc_srq_out)] = {0};
309 
310 	MLX5_SET(destroy_xrc_srq_in, in, opcode,   MLX5_CMD_OP_DESTROY_XRC_SRQ);
311 	MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, xsrqn);
312 
313 	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
314 }
315 
mlx5_core_query_xsrq(struct mlx5_core_dev * dev,u32 xsrqn,u32 * out)316 int mlx5_core_query_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u32 *out)
317 {
318 	int outlen = MLX5_ST_SZ_BYTES(query_xrc_srq_out);
319 	u32 in[MLX5_ST_SZ_DW(query_xrc_srq_in)] = {0};
320 	void *xrc_srqc;
321 	void *srqc;
322 	int err;
323 
324 	MLX5_SET(query_xrc_srq_in, in, opcode,   MLX5_CMD_OP_QUERY_XRC_SRQ);
325 	MLX5_SET(query_xrc_srq_in, in, xrc_srqn, xsrqn);
326 
327 	err =  mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
328 	if (!err) {
329 		xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, out,
330 					xrc_srq_context_entry);
331 		srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry);
332 		memcpy(srqc, xrc_srqc, MLX5_ST_SZ_BYTES(srqc));
333 	}
334 
335 	return err;
336 }
337 
mlx5_core_arm_xsrq(struct mlx5_core_dev * dev,u32 xsrqn,u16 lwm)338 int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u16 lwm)
339 {
340 	u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)] = {0};
341 	u32 out[MLX5_ST_SZ_DW(arm_xrc_srq_out)] = {0};
342 
343 	MLX5_SET(arm_xrc_srq_in, in, opcode,   MLX5_CMD_OP_ARM_XRC_SRQ);
344 	MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, xsrqn);
345 	MLX5_SET(arm_xrc_srq_in, in, lwm,      lwm);
346 	MLX5_SET(arm_xrc_srq_in, in, op_mod,
347 		 MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
348 
349 	return	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
350 
351 }
352 
mlx5_core_create_rqt(struct mlx5_core_dev * dev,u32 * in,int inlen,u32 * rqtn)353 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
354 			 u32 *rqtn)
355 {
356 	u32 out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
357 	int err;
358 
359 	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
360 
361 	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
362 	if (!err)
363 		*rqtn = MLX5_GET(create_rqt_out, out, rqtn);
364 
365 	return err;
366 }
367 
mlx5_core_modify_rqt(struct mlx5_core_dev * dev,u32 rqtn,u32 * in,int inlen)368 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
369 			 int inlen)
370 {
371 	u32 out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
372 
373 	MLX5_SET(modify_rqt_in, in, rqtn, rqtn);
374 	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
375 
376 	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
377 }
378 
mlx5_core_destroy_rqt(struct mlx5_core_dev * dev,u32 rqtn)379 void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn)
380 {
381 	u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {0};
382 	u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {0};
383 
384 	MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
385 	MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
386 
387 	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
388 }
389