xref: /dpdk/drivers/common/mlx5/mlx5_devx_cmds.h (revision 0f27fe09)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2019 Mellanox Technologies, Ltd
3  */
4 
5 #ifndef RTE_PMD_MLX5_DEVX_CMDS_H_
6 #define RTE_PMD_MLX5_DEVX_CMDS_H_
7 
8 #include "mlx5_glue.h"
9 #include "mlx5_prm.h"
10 
11 
12 /* This is limitation of libibverbs: in length variable type is u16. */
13 #define MLX5_DEVX_MAX_KLM_ENTRIES ((UINT16_MAX - \
14 		MLX5_ST_SZ_DW(create_mkey_in) * 4) / (MLX5_ST_SZ_DW(klm) * 4))
15 
16 struct mlx5_devx_mkey_attr {
17 	uint64_t addr;
18 	uint64_t size;
19 	uint32_t umem_id;
20 	uint32_t pd;
21 	uint32_t log_entity_size;
22 	uint32_t pg_access:1;
23 	uint32_t relaxed_ordering:1;
24 	struct mlx5_klm *klm_array;
25 	int klm_num;
26 };
27 
28 /* HCA qos attributes. */
29 struct mlx5_hca_qos_attr {
30 	uint32_t sup:1;	/* Whether QOS is supported. */
31 	uint32_t srtcm_sup:1; /* Whether srTCM mode is supported. */
32 	uint32_t packet_pacing:1; /* Packet pacing is supported. */
33 	uint32_t wqe_rate_pp:1; /* Packet pacing WQE rate mode. */
34 	uint32_t flow_meter_reg_share:1;
35 	/* Whether reg_c share is supported. */
36 	uint8_t log_max_flow_meter;
37 	/* Power of the maximum supported meters. */
38 	uint8_t flow_meter_reg_c_ids;
39 	/* Bitmap of the reg_Cs available for flow meter to use. */
40 
41 };
42 
43 struct mlx5_hca_vdpa_attr {
44 	uint8_t virtio_queue_type;
45 	uint32_t valid:1;
46 	uint32_t desc_tunnel_offload_type:1;
47 	uint32_t eth_frame_offload_type:1;
48 	uint32_t virtio_version_1_0:1;
49 	uint32_t tso_ipv4:1;
50 	uint32_t tso_ipv6:1;
51 	uint32_t tx_csum:1;
52 	uint32_t rx_csum:1;
53 	uint32_t event_mode:3;
54 	uint32_t log_doorbell_stride:5;
55 	uint32_t log_doorbell_bar_size:5;
56 	uint32_t queue_counters_valid:1;
57 	uint32_t max_num_virtio_queues;
58 	struct {
59 		uint32_t a;
60 		uint32_t b;
61 	} umems[3];
62 	uint64_t doorbell_bar_offset;
63 };
64 
65 /* HCA supports this number of time periods for LRO. */
66 #define MLX5_LRO_NUM_SUPP_PERIODS 4
67 
68 /* HCA attributes. */
69 struct mlx5_hca_attr {
70 	uint32_t eswitch_manager:1;
71 	uint32_t flow_counters_dump:1;
72 	uint32_t log_max_rqt_size:5;
73 	uint32_t parse_graph_flex_node:1;
74 	uint8_t flow_counter_bulk_alloc_bitmap;
75 	uint32_t eth_net_offloads:1;
76 	uint32_t eth_virt:1;
77 	uint32_t wqe_vlan_insert:1;
78 	uint32_t wqe_inline_mode:2;
79 	uint32_t vport_inline_mode:3;
80 	uint32_t tunnel_stateless_geneve_rx:1;
81 	uint32_t geneve_max_opt_len:1; /* 0x0: 14DW, 0x1: 63DW */
82 	uint32_t tunnel_stateless_gtp:1;
83 	uint32_t lro_cap:1;
84 	uint32_t tunnel_lro_gre:1;
85 	uint32_t tunnel_lro_vxlan:1;
86 	uint32_t lro_max_msg_sz_mode:2;
87 	uint32_t lro_timer_supported_periods[MLX5_LRO_NUM_SUPP_PERIODS];
88 	uint16_t lro_min_mss_size;
89 	uint32_t flex_parser_protocols;
90 	uint32_t hairpin:1;
91 	uint32_t log_max_hairpin_queues:5;
92 	uint32_t log_max_hairpin_wq_data_sz:5;
93 	uint32_t log_max_hairpin_num_packets:5;
94 	uint32_t vhca_id:16;
95 	uint32_t relaxed_ordering_write:1;
96 	uint32_t relaxed_ordering_read:1;
97 	uint32_t access_register_user:1;
98 	uint32_t wqe_index_ignore:1;
99 	uint32_t cross_channel:1;
100 	uint32_t non_wire_sq:1; /* SQ with non-wire ops is supported. */
101 	uint32_t log_max_static_sq_wq:5; /* Static WQE size SQ. */
102 	uint32_t dev_freq_khz; /* Timestamp counter frequency, kHz. */
103 	uint32_t scatter_fcs_w_decap_disable:1;
104 	uint32_t regex:1;
105 	uint32_t regexp_num_of_engines;
106 	uint32_t log_max_ft_sampler_num:8;
107 	struct mlx5_hca_qos_attr qos;
108 	struct mlx5_hca_vdpa_attr vdpa;
109 };
110 
111 struct mlx5_devx_wq_attr {
112 	uint32_t wq_type:4;
113 	uint32_t wq_signature:1;
114 	uint32_t end_padding_mode:2;
115 	uint32_t cd_slave:1;
116 	uint32_t hds_skip_first_sge:1;
117 	uint32_t log2_hds_buf_size:3;
118 	uint32_t page_offset:5;
119 	uint32_t lwm:16;
120 	uint32_t pd:24;
121 	uint32_t uar_page:24;
122 	uint64_t dbr_addr;
123 	uint32_t hw_counter;
124 	uint32_t sw_counter;
125 	uint32_t log_wq_stride:4;
126 	uint32_t log_wq_pg_sz:5;
127 	uint32_t log_wq_sz:5;
128 	uint32_t dbr_umem_valid:1;
129 	uint32_t wq_umem_valid:1;
130 	uint32_t log_hairpin_num_packets:5;
131 	uint32_t log_hairpin_data_sz:5;
132 	uint32_t single_wqe_log_num_of_strides:4;
133 	uint32_t two_byte_shift_en:1;
134 	uint32_t single_stride_log_num_of_bytes:3;
135 	uint32_t dbr_umem_id;
136 	uint32_t wq_umem_id;
137 	uint64_t wq_umem_offset;
138 };
139 
140 /* Create RQ attributes structure, used by create RQ operation. */
141 struct mlx5_devx_create_rq_attr {
142 	uint32_t rlky:1;
143 	uint32_t delay_drop_en:1;
144 	uint32_t scatter_fcs:1;
145 	uint32_t vsd:1;
146 	uint32_t mem_rq_type:4;
147 	uint32_t state:4;
148 	uint32_t flush_in_error_en:1;
149 	uint32_t hairpin:1;
150 	uint32_t user_index:24;
151 	uint32_t cqn:24;
152 	uint32_t counter_set_id:8;
153 	uint32_t rmpn:24;
154 	struct mlx5_devx_wq_attr wq_attr;
155 };
156 
157 /* Modify RQ attributes structure, used by modify RQ operation. */
158 struct mlx5_devx_modify_rq_attr {
159 	uint32_t rqn:24;
160 	uint32_t rq_state:4; /* Current RQ state. */
161 	uint32_t state:4; /* Required RQ state. */
162 	uint32_t scatter_fcs:1;
163 	uint32_t vsd:1;
164 	uint32_t counter_set_id:8;
165 	uint32_t hairpin_peer_sq:24;
166 	uint32_t hairpin_peer_vhca:16;
167 	uint64_t modify_bitmask;
168 	uint32_t lwm:16; /* Contained WQ lwm. */
169 };
170 
171 struct mlx5_rx_hash_field_select {
172 	uint32_t l3_prot_type:1;
173 	uint32_t l4_prot_type:1;
174 	uint32_t selected_fields:30;
175 };
176 
177 /* TIR attributes structure, used by TIR operations. */
178 struct mlx5_devx_tir_attr {
179 	uint32_t disp_type:4;
180 	uint32_t lro_timeout_period_usecs:16;
181 	uint32_t lro_enable_mask:4;
182 	uint32_t lro_max_msg_sz:8;
183 	uint32_t inline_rqn:24;
184 	uint32_t rx_hash_symmetric:1;
185 	uint32_t tunneled_offload_en:1;
186 	uint32_t indirect_table:24;
187 	uint32_t rx_hash_fn:4;
188 	uint32_t self_lb_block:2;
189 	uint32_t transport_domain:24;
190 	uint8_t rx_hash_toeplitz_key[MLX5_RSS_HASH_KEY_LEN];
191 	struct mlx5_rx_hash_field_select rx_hash_field_selector_outer;
192 	struct mlx5_rx_hash_field_select rx_hash_field_selector_inner;
193 };
194 
195 /* TIR attributes structure, used by TIR modify. */
196 struct mlx5_devx_modify_tir_attr {
197 	uint32_t tirn:24;
198 	uint64_t modify_bitmask;
199 	struct mlx5_devx_tir_attr tir;
200 };
201 
202 /* RQT attributes structure, used by RQT operations. */
203 struct mlx5_devx_rqt_attr {
204 	uint8_t rq_type;
205 	uint32_t rqt_max_size:16;
206 	uint32_t rqt_actual_size:16;
207 	uint32_t rq_list[];
208 };
209 
210 /* TIS attributes structure. */
211 struct mlx5_devx_tis_attr {
212 	uint32_t strict_lag_tx_port_affinity:1;
213 	uint32_t tls_en:1;
214 	uint32_t lag_tx_port_affinity:4;
215 	uint32_t prio:4;
216 	uint32_t transport_domain:24;
217 };
218 
219 /* SQ attributes structure, used by SQ create operation. */
220 struct mlx5_devx_create_sq_attr {
221 	uint32_t rlky:1;
222 	uint32_t cd_master:1;
223 	uint32_t fre:1;
224 	uint32_t flush_in_error_en:1;
225 	uint32_t allow_multi_pkt_send_wqe:1;
226 	uint32_t min_wqe_inline_mode:3;
227 	uint32_t state:4;
228 	uint32_t reg_umr:1;
229 	uint32_t allow_swp:1;
230 	uint32_t hairpin:1;
231 	uint32_t non_wire:1;
232 	uint32_t static_sq_wq:1;
233 	uint32_t user_index:24;
234 	uint32_t cqn:24;
235 	uint32_t packet_pacing_rate_limit_index:16;
236 	uint32_t tis_lst_sz:16;
237 	uint32_t tis_num:24;
238 	struct mlx5_devx_wq_attr wq_attr;
239 };
240 
241 /* SQ attributes structure, used by SQ modify operation. */
242 struct mlx5_devx_modify_sq_attr {
243 	uint32_t sq_state:4;
244 	uint32_t state:4;
245 	uint32_t hairpin_peer_rq:24;
246 	uint32_t hairpin_peer_vhca:16;
247 };
248 
249 
250 /* CQ attributes structure, used by CQ operations. */
251 struct mlx5_devx_cq_attr {
252 	uint32_t q_umem_valid:1;
253 	uint32_t db_umem_valid:1;
254 	uint32_t use_first_only:1;
255 	uint32_t overrun_ignore:1;
256 	uint32_t cqe_comp_en:1;
257 	uint32_t mini_cqe_res_format:2;
258 	uint32_t cqe_size:3;
259 	uint32_t log_cq_size:5;
260 	uint32_t log_page_size:5;
261 	uint32_t uar_page_id;
262 	uint32_t q_umem_id;
263 	uint64_t q_umem_offset;
264 	uint32_t db_umem_id;
265 	uint64_t db_umem_offset;
266 	uint32_t eqn;
267 	uint64_t db_addr;
268 };
269 
270 /* Virtq attributes structure, used by VIRTQ operations. */
271 struct mlx5_devx_virtq_attr {
272 	uint16_t hw_available_index;
273 	uint16_t hw_used_index;
274 	uint16_t q_size;
275 	uint32_t pd:24;
276 	uint32_t virtio_version_1_0:1;
277 	uint32_t tso_ipv4:1;
278 	uint32_t tso_ipv6:1;
279 	uint32_t tx_csum:1;
280 	uint32_t rx_csum:1;
281 	uint32_t event_mode:3;
282 	uint32_t state:4;
283 	uint32_t dirty_bitmap_dump_enable:1;
284 	uint32_t dirty_bitmap_mkey;
285 	uint32_t dirty_bitmap_size;
286 	uint32_t mkey;
287 	uint32_t qp_id;
288 	uint32_t queue_index;
289 	uint32_t tis_id;
290 	uint32_t counters_obj_id;
291 	uint64_t dirty_bitmap_addr;
292 	uint64_t type;
293 	uint64_t desc_addr;
294 	uint64_t used_addr;
295 	uint64_t available_addr;
296 	struct {
297 		uint32_t id;
298 		uint32_t size;
299 		uint64_t offset;
300 	} umems[3];
301 };
302 
303 
304 struct mlx5_devx_qp_attr {
305 	uint32_t pd:24;
306 	uint32_t uar_index:24;
307 	uint32_t cqn:24;
308 	uint32_t log_page_size:5;
309 	uint32_t rq_size:17; /* Must be power of 2. */
310 	uint32_t log_rq_stride:3;
311 	uint32_t sq_size:17; /* Must be power of 2. */
312 	uint32_t dbr_umem_valid:1;
313 	uint32_t dbr_umem_id;
314 	uint64_t dbr_address;
315 	uint32_t wq_umem_id;
316 	uint64_t wq_umem_offset;
317 };
318 
319 struct mlx5_devx_virtio_q_couners_attr {
320 	uint64_t received_desc;
321 	uint64_t completed_desc;
322 	uint32_t error_cqes;
323 	uint32_t bad_desc_errors;
324 	uint32_t exceed_max_chain;
325 	uint32_t invalid_buffer;
326 };
327 
328 /*
329  * graph flow match sample attributes structure,
330  * used by flex parser operations.
331  */
332 struct mlx5_devx_match_sample_attr {
333 	uint32_t flow_match_sample_en:1;
334 	uint32_t flow_match_sample_field_offset:16;
335 	uint32_t flow_match_sample_offset_mode:4;
336 	uint32_t flow_match_sample_field_offset_mask;
337 	uint32_t flow_match_sample_field_offset_shift:4;
338 	uint32_t flow_match_sample_field_base_offset:8;
339 	uint32_t flow_match_sample_tunnel_mode:3;
340 	uint32_t flow_match_sample_field_id;
341 };
342 
343 /* graph node arc attributes structure, used by flex parser operations. */
344 struct mlx5_devx_graph_arc_attr {
345 	uint32_t compare_condition_value:16;
346 	uint32_t start_inner_tunnel:1;
347 	uint32_t arc_parse_graph_node:8;
348 	uint32_t parse_graph_node_handle;
349 };
350 
351 /* Maximal number of samples per graph node. */
352 #define MLX5_GRAPH_NODE_SAMPLE_NUM 8
353 
354 /* Maximal number of input/output arcs per graph node. */
355 #define MLX5_GRAPH_NODE_ARC_NUM 8
356 
357 /* parse graph node attributes structure, used by flex parser operations. */
358 struct mlx5_devx_graph_node_attr {
359 	uint32_t modify_field_select;
360 	uint32_t header_length_mode:4;
361 	uint32_t header_length_base_value:16;
362 	uint32_t header_length_field_shift:4;
363 	uint32_t header_length_field_offset:16;
364 	uint32_t header_length_field_mask;
365 	struct mlx5_devx_match_sample_attr sample[MLX5_GRAPH_NODE_SAMPLE_NUM];
366 	uint32_t next_header_field_offset:16;
367 	uint32_t next_header_field_size:5;
368 	struct mlx5_devx_graph_arc_attr in[MLX5_GRAPH_NODE_ARC_NUM];
369 	struct mlx5_devx_graph_arc_attr out[MLX5_GRAPH_NODE_ARC_NUM];
370 };
371 
372 /* mlx5_devx_cmds.c */
373 
374 __rte_internal
375 struct mlx5_devx_obj *mlx5_devx_cmd_flow_counter_alloc(void *ctx,
376 						       uint32_t bulk_sz);
377 __rte_internal
378 int mlx5_devx_cmd_destroy(struct mlx5_devx_obj *obj);
379 __rte_internal
380 int mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
381 				     int clear, uint32_t n_counters,
382 				     uint64_t *pkts, uint64_t *bytes,
383 				     uint32_t mkey, void *addr,
384 				     void *cmd_comp,
385 				     uint64_t async_id);
386 __rte_internal
387 int mlx5_devx_cmd_query_hca_attr(void *ctx,
388 				 struct mlx5_hca_attr *attr);
389 __rte_internal
390 struct mlx5_devx_obj *mlx5_devx_cmd_mkey_create(void *ctx,
391 					      struct mlx5_devx_mkey_attr *attr);
392 __rte_internal
393 int mlx5_devx_get_out_command_status(void *out);
394 __rte_internal
395 int mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
396 				  uint32_t *tis_td);
397 __rte_internal
398 struct mlx5_devx_obj *mlx5_devx_cmd_create_rq(void *ctx,
399 				       struct mlx5_devx_create_rq_attr *rq_attr,
400 				       int socket);
401 __rte_internal
402 int mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
403 			    struct mlx5_devx_modify_rq_attr *rq_attr);
404 __rte_internal
405 struct mlx5_devx_obj *mlx5_devx_cmd_create_tir(void *ctx,
406 					   struct mlx5_devx_tir_attr *tir_attr);
407 __rte_internal
408 struct mlx5_devx_obj *mlx5_devx_cmd_create_rqt(void *ctx,
409 					   struct mlx5_devx_rqt_attr *rqt_attr);
410 __rte_internal
411 struct mlx5_devx_obj *mlx5_devx_cmd_create_sq(void *ctx,
412 				      struct mlx5_devx_create_sq_attr *sq_attr);
413 __rte_internal
414 int mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
415 			    struct mlx5_devx_modify_sq_attr *sq_attr);
416 __rte_internal
417 struct mlx5_devx_obj *mlx5_devx_cmd_create_tis(void *ctx,
418 					   struct mlx5_devx_tis_attr *tis_attr);
419 __rte_internal
420 struct mlx5_devx_obj *mlx5_devx_cmd_create_td(void *ctx);
421 __rte_internal
422 int mlx5_devx_cmd_flow_dump(void *fdb_domain, void *rx_domain, void *tx_domain,
423 			    FILE *file);
424 __rte_internal
425 struct mlx5_devx_obj *mlx5_devx_cmd_create_cq(void *ctx,
426 					      struct mlx5_devx_cq_attr *attr);
427 __rte_internal
428 struct mlx5_devx_obj *mlx5_devx_cmd_create_virtq(void *ctx,
429 					     struct mlx5_devx_virtq_attr *attr);
430 __rte_internal
431 int mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
432 			       struct mlx5_devx_virtq_attr *attr);
433 __rte_internal
434 int mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
435 			      struct mlx5_devx_virtq_attr *attr);
436 __rte_internal
437 struct mlx5_devx_obj *mlx5_devx_cmd_create_qp(void *ctx,
438 					      struct mlx5_devx_qp_attr *attr);
439 __rte_internal
440 int mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp,
441 				  uint32_t qp_st_mod_op, uint32_t remote_qp_id);
442 __rte_internal
443 int mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
444 			     struct mlx5_devx_rqt_attr *rqt_attr);
445 __rte_internal
446 int mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
447 			     struct mlx5_devx_modify_tir_attr *tir_attr);
448 __rte_internal
449 int mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
450 				      uint32_t ids[], uint32_t num);
451 
452 __rte_internal
453 struct mlx5_devx_obj *mlx5_devx_cmd_create_flex_parser(void *ctx,
454 					struct mlx5_devx_graph_node_attr *data);
455 
456 __rte_internal
457 int mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id,
458 				uint32_t arg, uint32_t *data, uint32_t dw_cnt);
459 /**
460  * Create virtio queue counters object DevX API.
461  *
462  * @param[in] ctx
463  *   Device context.
464 
465  * @return
466  *   The DevX object created, NULL otherwise and rte_errno is set.
467  */
468 __rte_internal
469 struct mlx5_devx_obj *mlx5_devx_cmd_create_virtio_q_counters(void *ctx);
470 
471 /**
472  * Query virtio queue counters object using DevX API.
473  *
474  * @param[in] couners_obj
475  *   Pointer to virtq object structure.
476  * @param [in/out] attr
477  *   Pointer to virtio queue counters attributes structure.
478  *
479  * @return
480  *   0 on success, a negative errno value otherwise and rte_errno is set.
481  */
482 __rte_internal
483 int mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
484 				  struct mlx5_devx_virtio_q_couners_attr *attr);
485 
486 #endif /* RTE_PMD_MLX5_DEVX_CMDS_H_ */
487