This source file includes following definitions.
- mlx5_cmd_dump_fill_mkey
- mlx5_cmd_null_mkey
- mlx5_cmd_query_cong_params
- mlx5_cmd_modify_cong_params
- mlx5_cmd_alloc_memic
- mlx5_cmd_dealloc_memic
- mlx5_cmd_query_ext_ppcnt_counters
- mlx5_cmd_destroy_tir
- mlx5_cmd_destroy_tis
- mlx5_cmd_destroy_rqt
- mlx5_cmd_alloc_transport_domain
- mlx5_cmd_dealloc_transport_domain
- mlx5_cmd_dealloc_pd
- mlx5_cmd_attach_mcg
- mlx5_cmd_detach_mcg
- mlx5_cmd_xrcd_alloc
- mlx5_cmd_xrcd_dealloc
- mlx5_cmd_alloc_q_counter
- mlx5_cmd_mad_ifc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 #include "cmd.h"
34
35 int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey)
36 {
37 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {0};
38 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {0};
39 int err;
40
41 MLX5_SET(query_special_contexts_in, in, opcode,
42 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
43 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
44 if (!err)
45 *mkey = MLX5_GET(query_special_contexts_out, out,
46 dump_fill_mkey);
47 return err;
48 }
49
50 int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey)
51 {
52 u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {};
53 u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {};
54 int err;
55
56 MLX5_SET(query_special_contexts_in, in, opcode,
57 MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
58 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
59 if (!err)
60 *null_mkey = MLX5_GET(query_special_contexts_out, out,
61 null_mkey);
62 return err;
63 }
64
65 int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point,
66 void *out, int out_size)
67 {
68 u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = { };
69
70 MLX5_SET(query_cong_params_in, in, opcode,
71 MLX5_CMD_OP_QUERY_CONG_PARAMS);
72 MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point);
73
74 return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
75 }
76
77 int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev,
78 void *in, int in_size)
79 {
80 u32 out[MLX5_ST_SZ_DW(modify_cong_params_out)] = { };
81
82 return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out));
83 }
84
85 int mlx5_cmd_alloc_memic(struct mlx5_dm *dm, phys_addr_t *addr,
86 u64 length, u32 alignment)
87 {
88 struct mlx5_core_dev *dev = dm->dev;
89 u64 num_memic_hw_pages = MLX5_CAP_DEV_MEM(dev, memic_bar_size)
90 >> PAGE_SHIFT;
91 u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr);
92 u32 max_alignment = MLX5_CAP_DEV_MEM(dev, log_max_memic_addr_alignment);
93 u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE);
94 u32 out[MLX5_ST_SZ_DW(alloc_memic_out)] = {};
95 u32 in[MLX5_ST_SZ_DW(alloc_memic_in)] = {};
96 u32 mlx5_alignment;
97 u64 page_idx = 0;
98 int ret = 0;
99
100 if (!length || (length & MLX5_MEMIC_ALLOC_SIZE_MASK))
101 return -EINVAL;
102
103
104
105
106 mlx5_alignment = (alignment < MLX5_MEMIC_BASE_ALIGN) ? 0 :
107 alignment - MLX5_MEMIC_BASE_ALIGN;
108 if (mlx5_alignment > max_alignment)
109 return -EINVAL;
110
111 MLX5_SET(alloc_memic_in, in, opcode, MLX5_CMD_OP_ALLOC_MEMIC);
112 MLX5_SET(alloc_memic_in, in, range_size, num_pages * PAGE_SIZE);
113 MLX5_SET(alloc_memic_in, in, memic_size, length);
114 MLX5_SET(alloc_memic_in, in, log_memic_addr_alignment,
115 mlx5_alignment);
116
117 while (page_idx < num_memic_hw_pages) {
118 spin_lock(&dm->lock);
119 page_idx = bitmap_find_next_zero_area(dm->memic_alloc_pages,
120 num_memic_hw_pages,
121 page_idx,
122 num_pages, 0);
123
124 if (page_idx < num_memic_hw_pages)
125 bitmap_set(dm->memic_alloc_pages,
126 page_idx, num_pages);
127
128 spin_unlock(&dm->lock);
129
130 if (page_idx >= num_memic_hw_pages)
131 break;
132
133 MLX5_SET64(alloc_memic_in, in, range_start_addr,
134 hw_start_addr + (page_idx * PAGE_SIZE));
135
136 ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
137 if (ret) {
138 spin_lock(&dm->lock);
139 bitmap_clear(dm->memic_alloc_pages,
140 page_idx, num_pages);
141 spin_unlock(&dm->lock);
142
143 if (ret == -EAGAIN) {
144 page_idx++;
145 continue;
146 }
147
148 return ret;
149 }
150
151 *addr = dev->bar_addr +
152 MLX5_GET64(alloc_memic_out, out, memic_start_addr);
153
154 return 0;
155 }
156
157 return -ENOMEM;
158 }
159
160 int mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, u64 length)
161 {
162 struct mlx5_core_dev *dev = dm->dev;
163 u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr);
164 u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE);
165 u32 out[MLX5_ST_SZ_DW(dealloc_memic_out)] = {0};
166 u32 in[MLX5_ST_SZ_DW(dealloc_memic_in)] = {0};
167 u64 start_page_idx;
168 int err;
169
170 addr -= dev->bar_addr;
171 start_page_idx = (addr - hw_start_addr) >> PAGE_SHIFT;
172
173 MLX5_SET(dealloc_memic_in, in, opcode, MLX5_CMD_OP_DEALLOC_MEMIC);
174 MLX5_SET64(dealloc_memic_in, in, memic_start_addr, addr);
175 MLX5_SET(dealloc_memic_in, in, memic_size, length);
176
177 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
178
179 if (!err) {
180 spin_lock(&dm->lock);
181 bitmap_clear(dm->memic_alloc_pages,
182 start_page_idx, num_pages);
183 spin_unlock(&dm->lock);
184 }
185
186 return err;
187 }
188
189 int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out)
190 {
191 u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
192 int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
193
194 MLX5_SET(ppcnt_reg, in, local_port, 1);
195
196 MLX5_SET(ppcnt_reg, in, grp, MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP);
197 return mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPCNT,
198 0, 0);
199 }
200
201 void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid)
202 {
203 u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};
204 u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {};
205
206 MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
207 MLX5_SET(destroy_tir_in, in, tirn, tirn);
208 MLX5_SET(destroy_tir_in, in, uid, uid);
209 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
210 }
211
212 void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid)
213 {
214 u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {0};
215 u32 out[MLX5_ST_SZ_DW(destroy_tis_out)] = {0};
216
217 MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
218 MLX5_SET(destroy_tis_in, in, tisn, tisn);
219 MLX5_SET(destroy_tis_in, in, uid, uid);
220 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
221 }
222
223 void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid)
224 {
225 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {};
226 u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {};
227
228 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
229 MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
230 MLX5_SET(destroy_rqt_in, in, uid, uid);
231 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
232 }
233
234 int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn,
235 u16 uid)
236 {
237 u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
238 u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
239 int err;
240
241 MLX5_SET(alloc_transport_domain_in, in, opcode,
242 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
243 MLX5_SET(alloc_transport_domain_in, in, uid, uid);
244
245 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
246 if (!err)
247 *tdn = MLX5_GET(alloc_transport_domain_out, out,
248 transport_domain);
249
250 return err;
251 }
252
253 void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn,
254 u16 uid)
255 {
256 u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {0};
257 u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0};
258
259 MLX5_SET(dealloc_transport_domain_in, in, opcode,
260 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
261 MLX5_SET(dealloc_transport_domain_in, in, uid, uid);
262 MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
263 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
264 }
265
266 void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
267 {
268 u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {};
269 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};
270
271 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
272 MLX5_SET(dealloc_pd_in, in, pd, pdn);
273 MLX5_SET(dealloc_pd_in, in, uid, uid);
274 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
275 }
276
277 int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
278 u32 qpn, u16 uid)
279 {
280 u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {};
281 u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
282 void *gid;
283
284 MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
285 MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
286 MLX5_SET(attach_to_mcg_in, in, uid, uid);
287 gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
288 memcpy(gid, mgid, sizeof(*mgid));
289 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
290 }
291
292 int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
293 u32 qpn, u16 uid)
294 {
295 u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {};
296 u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
297 void *gid;
298
299 MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
300 MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
301 MLX5_SET(detach_from_mcg_in, in, uid, uid);
302 gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
303 memcpy(gid, mgid, sizeof(*mgid));
304 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
305 }
306
307 int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid)
308 {
309 u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
310 u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
311 int err;
312
313 MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
314 MLX5_SET(alloc_xrcd_in, in, uid, uid);
315 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
316 if (!err)
317 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
318 return err;
319 }
320
321 int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
322 {
323 u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {};
324 u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
325
326 MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
327 MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
328 MLX5_SET(dealloc_xrcd_in, in, uid, uid);
329 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
330 }
331
332 int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
333 u16 uid)
334 {
335 u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0};
336 u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
337 int err;
338
339 MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
340 MLX5_SET(alloc_q_counter_in, in, uid, uid);
341
342 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
343 if (!err)
344 *counter_id = MLX5_GET(alloc_q_counter_out, out,
345 counter_set_id);
346 return err;
347 }
348
349 int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
350 u16 opmod, u8 port)
351 {
352 int outlen = MLX5_ST_SZ_BYTES(mad_ifc_out);
353 int inlen = MLX5_ST_SZ_BYTES(mad_ifc_in);
354 int err = -ENOMEM;
355 void *data;
356 void *resp;
357 u32 *out;
358 u32 *in;
359
360 in = kzalloc(inlen, GFP_KERNEL);
361 out = kzalloc(outlen, GFP_KERNEL);
362 if (!in || !out)
363 goto out;
364
365 MLX5_SET(mad_ifc_in, in, opcode, MLX5_CMD_OP_MAD_IFC);
366 MLX5_SET(mad_ifc_in, in, op_mod, opmod);
367 MLX5_SET(mad_ifc_in, in, port, port);
368
369 data = MLX5_ADDR_OF(mad_ifc_in, in, mad);
370 memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad));
371
372 err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
373 if (err)
374 goto out;
375
376 resp = MLX5_ADDR_OF(mad_ifc_out, out, response_mad_packet);
377 memcpy(outb, resp,
378 MLX5_FLD_SZ_BYTES(mad_ifc_out, response_mad_packet));
379
380 out:
381 kfree(out);
382 kfree(in);
383 return err;
384 }