xref: /freebsd/sys/dev/bnxt/bnxt_re/qplib_sp.h (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 /*
2  * Copyright (c) 2015-2024, Broadcom. All rights reserved.  The term
3  * Broadcom refers to Broadcom Limited and/or its subsidiaries.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in
13  *    the documentation and/or other materials provided with the
14  *    distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
18  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * Description: Slow Path Operators (header)
29  */
30 
31 #ifndef __BNXT_QPLIB_SP_H__
32 #define __BNXT_QPLIB_SP_H__
33 
34 #include <rdma/ib_verbs.h>
35 
36 #define BNXT_QPLIB_RESERVED_QP_WRS	128
37 
38 /* Resource maximums reported by the firmware */
39 struct bnxt_qplib_dev_attr {
40 #define FW_VER_ARR_LEN			4
41 	u8				fw_ver[FW_VER_ARR_LEN];
42 	u16				max_sgid;
43 	u16				max_mrw;
44 	u32				max_qp;
45 #define BNXT_QPLIB_MAX_OUT_RD_ATOM	126
46 	u32				max_qp_rd_atom;
47 	u32				max_qp_init_rd_atom;
48 	u32				max_qp_wqes;
49 	u32				max_qp_sges;
50 	u32				max_cq;
51 	/* HW supports only 8K entries in PBL.
52 	 * So max CQEs that can be supported per CQ is 1M.
53 	 */
54 #define BNXT_QPLIB_MAX_CQ_WQES		0xfffff
55 	u32				max_cq_wqes;
56 	u32				max_cq_sges;
57 	u32				max_mr;
58 	u64				max_mr_size;
59 #define BNXT_QPLIB_MAX_PD		(64 * 1024)
60 	u32				max_pd;
61 	u32				max_mw;
62 	u32				max_raw_ethy_qp;
63 	u32				max_ah;
64 	u32				max_fmr;
65 	u32				max_map_per_fmr;
66 	u32				max_srq;
67 	u32				max_srq_wqes;
68 	u32				max_srq_sges;
69 	u32				max_pkey;
70 	u32				max_inline_data;
71 	u32				l2_db_size;
72 	u8				tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
73 	u8				is_atomic;
74 	u16				dev_cap_flags;
75 	u64				page_size_cap;
76 	u32				max_dpi;
77 };
78 
79 struct bnxt_qplib_pd {
80 	u32				id;
81 };
82 
83 struct bnxt_qplib_gid {
84 	u8				data[16];
85 };
86 
87 struct bnxt_qplib_gid_info {
88 	struct bnxt_qplib_gid gid;
89 	u16 vlan_id;
90 };
91 
92 struct bnxt_qplib_ah {
93 	struct bnxt_qplib_gid		dgid;
94 	struct bnxt_qplib_pd		*pd;
95 	u32				id;
96 	u8				sgid_index;
97 	u8				host_sgid_index; /* For Query AH if the hw table and SW table are differnt */
98 	u8				traffic_class;
99 	u32				flow_label;
100 	u8				hop_limit;
101 	u8				sl;
102 	u8				dmac[6];
103 	u16				vlan_id;
104 	u8				nw_type;
105 	u8				enable_cc;
106 };
107 
108 struct bnxt_qplib_mrw {
109 	struct bnxt_qplib_pd		*pd;
110 	int				type;
111 	u32				flags;
112 #define BNXT_QPLIB_FR_PMR		0x80000000
113 	u32				lkey;
114 	u32				rkey;
115 #define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
116 	u64				va;
117 	u64				total_size;
118 	u32				npages;
119 	u64				mr_handle;
120 	struct bnxt_qplib_hwq		hwq;
121 };
122 
123 struct bnxt_qplib_mrinfo {
124 	struct bnxt_qplib_mrw		*mrw;
125 	struct bnxt_qplib_sg_info	sg;
126 	u64				*ptes;
127 	bool				is_dma;
128 };
129 
130 struct bnxt_qplib_frpl {
131 	int				max_pg_ptrs;
132 	struct bnxt_qplib_hwq		hwq;
133 };
134 
135 struct bnxt_qplib_cc_param_ext {
136 	u64 ext_mask;
137 	u16 inact_th_hi;
138 	u16 min_delta_cnp;
139 	u16 init_cp;
140 	u8 tr_update_mode;
141 	u8 tr_update_cyls;
142 	u8 fr_rtt;
143 	u8 ai_rate_incr;
144 	u16 rr_rtt_th;
145 	u16 ar_cr_th;
146 	u16 cr_min_th;
147 	u8 bw_avg_weight;
148 	u8 cr_factor;
149 	u16 cr_th_max_cp;
150 	u8 cp_bias_en;
151 	u8 cp_bias;
152 	u8 cnp_ecn;
153 	u8 rtt_jitter_en;
154 	u16 bytes_per_usec;
155 	u16 cc_cr_reset_th;
156 	u8 cr_width;
157 	u8 min_quota;
158 	u8 max_quota;
159 	u8 abs_max_quota;
160 	u16 tr_lb;
161 	u8 cr_prob_fac;
162 	u8 tr_prob_fac;
163 	u16 fair_cr_th;
164 	u8 red_div;
165 	u8 cnp_ratio_th;
166 	u16 ai_ext_rtt;
167 	u8 exp_crcp_ratio;
168 	u8 low_rate_en;
169 	u16 cpcr_update_th;
170 	u16 ai_rtt_th1;
171 	u16 ai_rtt_th2;
172 	u16 cf_rtt_th;
173 	u16 sc_cr_th1; /* severe congestion cr threshold 1 */
174 	u16 sc_cr_th2; /* severe congestion cr threshold 2 */
175 	u32 l64B_per_rtt;
176 	u8 cc_ack_bytes;
177 	u16 reduce_cf_rtt_th;
178 };
179 
180 struct bnxt_qplib_cc_param {
181 	u8 alt_vlan_pcp;
182 	u16 alt_tos_dscp;
183 #define BNXT_QPLIB_USER_DSCP_VALID			0x80
184 	u8 cnp_dscp_user;
185 	u8 roce_dscp_user;
186 	u8 cc_mode;
187 	u8 enable;
188 	u16 inact_th;
189 	u16 init_cr;
190 	u16 init_tr;
191 	u16 rtt;
192 	u8 g;
193 	u8 nph_per_state;
194 	u8 time_pph;
195 	u8 pkts_pph;
196 	u8 tos_ecn;
197 	u8 tos_dscp;
198 	u8 qp1_tos_dscp;
199 	u16 tcp_cp;
200 	struct bnxt_qplib_cc_param_ext cc_ext;
201 	u8 disable_prio_vlan_tx;
202 	/* Mask used while programming the configfs values */
203 	u32 mask;
204 	/* Mask used while displaying the configfs values */
205 	u32 cur_mask;
206 	u8 roce_pri;
207 #define BNXT_QPLIB_CC_PARAM_MASK_VLAN_TX_DISABLE	0x40000
208 #define BNXT_QPLIB_CC_PARAM_MASK_ROCE_PRI		0x80000
209 	/* prev value to clear dscp table */
210 	u8 prev_roce_pri;
211 	u8 prev_alt_vlan_pcp;
212 	u8 prev_tos_dscp;
213 	u16 prev_alt_tos_dscp;
214 	/* To track if admin has enabled ECN explicitly */
215 	u8 admin_enable;
216 };
217 
218 struct bnxt_qplib_roce_stats {
219 	u64 to_retransmits;
220 	u64 seq_err_naks_rcvd;
221 	/* seq_err_naks_rcvd is 64 b */
222 	u64 max_retry_exceeded;
223 	/* max_retry_exceeded is 64 b */
224 	u64 rnr_naks_rcvd;
225 	/* rnr_naks_rcvd is 64 b */
226 	u64 missing_resp;
227 	u64 unrecoverable_err;
228 	/* unrecoverable_err is 64 b */
229 	u64 bad_resp_err;
230 	/* bad_resp_err is 64 b */
231 	u64 local_qp_op_err;
232 	/* local_qp_op_err is 64 b */
233 	u64 local_protection_err;
234 	/* local_protection_err is 64 b */
235 	u64 mem_mgmt_op_err;
236 	/* mem_mgmt_op_err is 64 b */
237 	u64 remote_invalid_req_err;
238 	/* remote_invalid_req_err is 64 b */
239 	u64 remote_access_err;
240 	/* remote_access_err is 64 b */
241 	u64 remote_op_err;
242 	/* remote_op_err is 64 b */
243 	u64 dup_req;
244 	/* dup_req is 64 b */
245 	u64 res_exceed_max;
246 	/* res_exceed_max is 64 b */
247 	u64 res_length_mismatch;
248 	/* res_length_mismatch is 64 b */
249 	u64 res_exceeds_wqe;
250 	/* res_exceeds_wqe is 64 b */
251 	u64 res_opcode_err;
252 	/* res_opcode_err is 64 b */
253 	u64 res_rx_invalid_rkey;
254 	/* res_rx_invalid_rkey is 64 b */
255 	u64 res_rx_domain_err;
256 	/* res_rx_domain_err is 64 b */
257 	u64 res_rx_no_perm;
258 	/* res_rx_no_perm is 64 b */
259 	u64 res_rx_range_err;
260 	/* res_rx_range_err is 64 b */
261 	u64 res_tx_invalid_rkey;
262 	/* res_tx_invalid_rkey is 64 b */
263 	u64 res_tx_domain_err;
264 	/* res_tx_domain_err is 64 b */
265 	u64 res_tx_no_perm;
266 	/* res_tx_no_perm is 64 b */
267 	u64 res_tx_range_err;
268 	/* res_tx_range_err is 64 b */
269 	u64 res_irrq_oflow;
270 	/* res_irrq_oflow is 64 b */
271 	u64 res_unsup_opcode;
272 	/* res_unsup_opcode is 64 b */
273 	u64 res_unaligned_atomic;
274 	/* res_unaligned_atomic is 64 b */
275 	u64 res_rem_inv_err;
276 	/* res_rem_inv_err is 64 b */
277 	u64 res_mem_error;
278 	/* res_mem_error is 64 b */
279 	u64 res_srq_err;
280 	/* res_srq_err is 64 b */
281 	u64 res_cmp_err;
282 	/* res_cmp_err is 64 b */
283 	u64 res_invalid_dup_rkey;
284 	/* res_invalid_dup_rkey is 64 b */
285 	u64 res_wqe_format_err;
286 	/* res_wqe_format_err is 64 b */
287 	u64 res_cq_load_err;
288 	/* res_cq_load_err is 64 b */
289 	u64 res_srq_load_err;
290 	/* res_srq_load_err is 64 b */
291 	u64 res_tx_pci_err;
292 	/* res_tx_pci_err is 64 b */
293 	u64 res_rx_pci_err;
294 	/* res_rx_pci_err is 64 b */
295 	u64 res_oos_drop_count;
296 	/* res_oos_drop_count */
297 	u64	active_qp_count_p0;
298 	/* port 0 active qps */
299 	u64	active_qp_count_p1;
300 	/* port 1 active qps */
301 	u64	active_qp_count_p2;
302 	/* port 2 active qps */
303 	u64	active_qp_count_p3;
304 	/* port 3 active qps */
305 };
306 
307 struct bnxt_qplib_ext_stat {
308 	u64  tx_atomic_req;
309 	u64  tx_read_req;
310 	u64  tx_read_res;
311 	u64  tx_write_req;
312 	u64  tx_send_req;
313 	u64  tx_roce_pkts;
314 	u64  tx_roce_bytes;
315 	u64  rx_atomic_req;
316 	u64  rx_read_req;
317 	u64  rx_read_res;
318 	u64  rx_write_req;
319 	u64  rx_send_req;
320 	u64  rx_roce_pkts;
321 	u64  rx_roce_bytes;
322 	u64  rx_roce_good_pkts;
323 	u64  rx_roce_good_bytes;
324 	u64  rx_out_of_buffer;
325 	u64  rx_out_of_sequence;
326 	u64  tx_cnp;
327 	u64  rx_cnp;
328 	u64  rx_ecn_marked;
329 	u64  seq_err_naks_rcvd;
330 	u64  rnr_naks_rcvd;
331 	u64  missing_resp;
332 	u64  to_retransmits;
333 	u64  dup_req;
334 	u64  rx_dcn_payload_cut;
335 	u64  te_bypassed;
336 };
337 
338 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE	(1 << 0)
339 #define BNXT_QPLIB_ACCESS_REMOTE_READ	(1 << 1)
340 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE	(1 << 2)
341 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	(1 << 3)
342 #define BNXT_QPLIB_ACCESS_MW_BIND	(1 << 4)
343 #define BNXT_QPLIB_ACCESS_ZERO_BASED	(1 << 5)
344 #define BNXT_QPLIB_ACCESS_ON_DEMAND	(1 << 6)
345 
346 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
347 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
348 			struct bnxt_qplib_gid *gid);
349 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
350 			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
351 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
352 			const union ib_gid *gid, const u8 *mac, u16 vlan_id,
353 			bool update, u32 *index);
354 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
355 			   struct bnxt_qplib_gid *gid, u16 gid_idx, const u8 *smac);
356 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw);
357 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res);
358 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
359 			 bool block);
360 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
361 			  bool block);
362 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw);
363 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
364 			 bool block);
365 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res,
366 		      struct bnxt_qplib_mrinfo *mrinfo, bool block);
367 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
368 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
369 				 struct bnxt_qplib_mrw *mr, int max);
370 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
371 					struct bnxt_qplib_frpl *frpl, int max);
372 void bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
373 					struct bnxt_qplib_frpl *frpl);
374 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
375 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
376 			 struct bnxt_qplib_cc_param *cc_param);
377 int bnxt_qplib_query_cc_param(struct bnxt_qplib_res *res,
378 			      struct bnxt_qplib_cc_param *cc_param);
379 int bnxt_qplib_set_link_aggr_mode(struct bnxt_qplib_res *res,
380 				  u8 aggr_mode, u8 member_port_map,
381 				  u8 active_port_map, bool aggr_en,
382 				  u32 stats_fw_id);
383 int bnxt_qplib_get_roce_error_stats(struct bnxt_qplib_rcfw *rcfw,
384 				    struct bnxt_qplib_roce_stats *stats,
385 				    struct bnxt_qplib_query_stats_info *sinfo);
386 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
387 			 struct bnxt_qplib_ext_stat *estat,
388 			 struct bnxt_qplib_query_stats_info *sinfo);
389 static inline void bnxt_re_set_max_gid(u16 *max_sgid);
390 bool ib_modify_qp_is_ok_compat(enum ib_qp_state cur_state, enum ib_qp_state next_state,
391 			       enum ib_qp_type type, enum ib_qp_attr_mask mask);
392 
393 #define BNXT_MAX_SQ_SIZE 0xFFFF
394 #define BNXT_MAX_VAR_WQE_SIZE 512
395 #define BNXT_SGE_SIZE 16
396 
397 /* PF defines */
398 #define BNXT_RE_MAX_QP_SUPPORTED(chip_gen) \
399 	chip_gen == BNXT_RE_DEFAULT ? (64 * 1024) : 0
400 
401 #define BNXT_RE_MAX_MRW_SUPPORTED(chip_gen) \
402 	chip_gen == BNXT_RE_DEFAULT ? (256 * 1024) : 0
403 
404 #define BNXT_RE_MAX_CQ_SUPPORTED(chip_gen) \
405 	chip_gen == BNXT_RE_DEFAULT ? (64 * 1024) : 0
406 
407 #define BNXT_RE_MAX_SRQ_SUPPORTED(chip_gen) \
408 	chip_gen == BNXT_RE_DEFAULT ? (4 * 1024) : 0
409 
410 #define BNXT_RE_MAX_AH_SUPPORTED(chip_gen) \
411 	chip_gen == BNXT_RE_DEFAULT ? (64 * 1024) : 0
412 
413 /* VF defines */
414 #define BNXT_RE_VF_MAX_QP_SUPPORTED(chip_gen) \
415 	chip_gen == BNXT_RE_DEFAULT ? (6 * 1024) : 0
416 
417 #define BNXT_RE_VF_MAX_MRW_SUPPORTED(chip_gen) \
418 	chip_gen == BNXT_RE_DEFAULT ? (6 * 1024) : 0
419 
420 #define BNXT_RE_VF_MAX_CQ_SUPPORTED(chip_gen) \
421 	chip_gen == BNXT_RE_DEFAULT ? (6 * 1024) : 0
422 
423 #define BNXT_RE_VF_MAX_SRQ_SUPPORTED(chip_gen) \
424 	chip_gen == BNXT_RE_DEFAULT ? (4 * 1024) : 0
425 
426 static inline void bnxt_re_set_max_gid(u16 *max_sgid)
427 {
428 	*max_sgid = max_t(u32, 256, *max_sgid);
429 	*max_sgid = min_t(u32, 256, *max_sgid);
430 }
431 
432 #endif
433