xref: /linux/drivers/infiniband/hw/bnxt_re/qplib_sp.h (revision ac6df537)
1 /*
2  * Broadcom NetXtreme-E RoCE driver.
3  *
4  * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
5  * Broadcom refers to Broadcom Limited and/or its subsidiaries.
6  *
7  * This software is available to you under a choice of one of two
8  * licenses.  You may choose to be licensed under the terms of the GNU
9  * General Public License (GPL) Version 2, available from the file
10  * COPYING in the main directory of this source tree, or the
11  * BSD license below:
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  *
17  * 1. Redistributions of source code must retain the above copyright
18  *    notice, this list of conditions and the following disclaimer.
19  * 2. Redistributions in binary form must reproduce the above copyright
20  *    notice, this list of conditions and the following disclaimer in
21  *    the documentation and/or other materials provided with the
22  *    distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
33  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
34  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  *
36  * Description: Slow Path Operators (header)
37  *
38  */
39 
40 #ifndef __BNXT_QPLIB_SP_H__
41 #define __BNXT_QPLIB_SP_H__
42 
43 #include <rdma/bnxt_re-abi.h>
44 #define BNXT_QPLIB_RESERVED_QP_WRS	128
45 
46 struct bnxt_qplib_dev_attr {
47 #define FW_VER_ARR_LEN			4
48 	u8				fw_ver[FW_VER_ARR_LEN];
49 #define BNXT_QPLIB_NUM_GIDS_SUPPORTED	256
50 	u16				max_sgid;
51 	u16				max_mrw;
52 	u32				max_qp;
53 #define BNXT_QPLIB_MAX_OUT_RD_ATOM	126
54 	u32				max_qp_rd_atom;
55 	u32				max_qp_init_rd_atom;
56 	u32				max_qp_wqes;
57 	u32				max_qp_sges;
58 	u32				max_cq;
59 #define BNXT_QPLIB_MAX_CQ_WQES          0xfffff
60 	u32				max_cq_wqes;
61 	u32				max_cq_sges;
62 	u32				max_mr;
63 	u64				max_mr_size;
64 	u32				max_pd;
65 	u32				max_mw;
66 	u32				max_raw_ethy_qp;
67 	u32				max_ah;
68 	u32				max_srq;
69 	u32				max_srq_wqes;
70 	u32				max_srq_sges;
71 	u32				max_pkey;
72 	u32				max_inline_data;
73 	u32				l2_db_size;
74 	u8				tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
75 	bool				is_atomic;
76 	u16                             dev_cap_flags;
77 	u16                             dev_cap_flags2;
78 	u32                             max_dpi;
79 };
80 
81 struct bnxt_qplib_pd {
82 	u32				id;
83 };
84 
85 struct bnxt_qplib_gid {
86 	u8				data[16];
87 };
88 
89 struct bnxt_qplib_gid_info {
90 	struct bnxt_qplib_gid gid;
91 	u16 vlan_id;
92 };
93 
94 struct bnxt_qplib_ah {
95 	struct bnxt_qplib_gid		dgid;
96 	struct bnxt_qplib_pd		*pd;
97 	u32				id;
98 	u8				sgid_index;
99 	/* For Query AH if the hw table and SW table are differnt */
100 	u8				host_sgid_index;
101 	u8				traffic_class;
102 	u32				flow_label;
103 	u8				hop_limit;
104 	u8				sl;
105 	u8				dmac[6];
106 	u16				vlan_id;
107 	u8				nw_type;
108 };
109 
110 struct bnxt_qplib_mrw {
111 	struct bnxt_qplib_pd		*pd;
112 	int				type;
113 	u32				access_flags;
114 #define BNXT_QPLIB_FR_PMR		0x80000000
115 	u32				lkey;
116 	u32				rkey;
117 #define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
118 	u64				va;
119 	u64				total_size;
120 	u32				npages;
121 	u16				flags;
122 	u64				mr_handle;
123 	struct bnxt_qplib_hwq		hwq;
124 };
125 
126 struct bnxt_qplib_frpl {
127 	int				max_pg_ptrs;
128 	struct bnxt_qplib_hwq		hwq;
129 };
130 
131 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
132 #define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
133 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
134 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
135 #define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
136 #define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
137 #define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)
138 
139 struct bnxt_qplib_roce_stats {
140 	u64 to_retransmits;
141 	u64 seq_err_naks_rcvd;
142 	/* seq_err_naks_rcvd is 64 b */
143 	u64 max_retry_exceeded;
144 	/* max_retry_exceeded is 64 b */
145 	u64 rnr_naks_rcvd;
146 	/* rnr_naks_rcvd is 64 b */
147 	u64 missing_resp;
148 	u64 unrecoverable_err;
149 	/* unrecoverable_err is 64 b */
150 	u64 bad_resp_err;
151 	/* bad_resp_err is 64 b */
152 	u64 local_qp_op_err;
153 	/* local_qp_op_err is 64 b */
154 	u64 local_protection_err;
155 	/* local_protection_err is 64 b */
156 	u64 mem_mgmt_op_err;
157 	/* mem_mgmt_op_err is 64 b */
158 	u64 remote_invalid_req_err;
159 	/* remote_invalid_req_err is 64 b */
160 	u64 remote_access_err;
161 	/* remote_access_err is 64 b */
162 	u64 remote_op_err;
163 	/* remote_op_err is 64 b */
164 	u64 dup_req;
165 	/* dup_req is 64 b */
166 	u64 res_exceed_max;
167 	/* res_exceed_max is 64 b */
168 	u64 res_length_mismatch;
169 	/* res_length_mismatch is 64 b */
170 	u64 res_exceeds_wqe;
171 	/* res_exceeds_wqe is 64 b */
172 	u64 res_opcode_err;
173 	/* res_opcode_err is 64 b */
174 	u64 res_rx_invalid_rkey;
175 	/* res_rx_invalid_rkey is 64 b */
176 	u64 res_rx_domain_err;
177 	/* res_rx_domain_err is 64 b */
178 	u64 res_rx_no_perm;
179 	/* res_rx_no_perm is 64 b */
180 	u64 res_rx_range_err;
181 	/* res_rx_range_err is 64 b */
182 	u64 res_tx_invalid_rkey;
183 	/* res_tx_invalid_rkey is 64 b */
184 	u64 res_tx_domain_err;
185 	/* res_tx_domain_err is 64 b */
186 	u64 res_tx_no_perm;
187 	/* res_tx_no_perm is 64 b */
188 	u64 res_tx_range_err;
189 	/* res_tx_range_err is 64 b */
190 	u64 res_irrq_oflow;
191 	/* res_irrq_oflow is 64 b */
192 	u64 res_unsup_opcode;
193 	/* res_unsup_opcode is 64 b */
194 	u64 res_unaligned_atomic;
195 	/* res_unaligned_atomic is 64 b */
196 	u64 res_rem_inv_err;
197 	/* res_rem_inv_err is 64 b */
198 	u64 res_mem_error;
199 	/* res_mem_error is 64 b */
200 	u64 res_srq_err;
201 	/* res_srq_err is 64 b */
202 	u64 res_cmp_err;
203 	/* res_cmp_err is 64 b */
204 	u64 res_invalid_dup_rkey;
205 	/* res_invalid_dup_rkey is 64 b */
206 	u64 res_wqe_format_err;
207 	/* res_wqe_format_err is 64 b */
208 	u64 res_cq_load_err;
209 	/* res_cq_load_err is 64 b */
210 	u64 res_srq_load_err;
211 	/* res_srq_load_err is 64 b */
212 	u64 res_tx_pci_err;
213 	/* res_tx_pci_err is 64 b */
214 	u64 res_rx_pci_err;
215 	/* res_rx_pci_err is 64 b */
216 	u64 res_oos_drop_count;
217 	/* res_oos_drop_count */
218 	u64     active_qp_count_p0;
219 	/* port 0 active qps */
220 	u64     active_qp_count_p1;
221 	/* port 1 active qps */
222 	u64     active_qp_count_p2;
223 	/* port 2 active qps */
224 	u64     active_qp_count_p3;
225 	/* port 3 active qps */
226 };
227 
228 struct bnxt_qplib_ext_stat {
229 	u64  tx_atomic_req;
230 	u64  tx_read_req;
231 	u64  tx_read_res;
232 	u64  tx_write_req;
233 	u64  tx_send_req;
234 	u64  tx_roce_pkts;
235 	u64  tx_roce_bytes;
236 	u64  rx_atomic_req;
237 	u64  rx_read_req;
238 	u64  rx_read_res;
239 	u64  rx_write_req;
240 	u64  rx_send_req;
241 	u64  rx_roce_pkts;
242 	u64  rx_roce_bytes;
243 	u64  rx_roce_good_pkts;
244 	u64  rx_roce_good_bytes;
245 	u64  rx_out_of_buffer;
246 	u64  rx_out_of_sequence;
247 	u64  tx_cnp;
248 	u64  rx_cnp;
249 	u64  rx_ecn_marked;
250 };
251 
252 struct bnxt_qplib_cc_param_ext {
253 	u64 ext_mask;
254 	u16 inact_th_hi;
255 	u16 min_delta_cnp;
256 	u16 init_cp;
257 	u8 tr_update_mode;
258 	u8 tr_update_cyls;
259 	u8 fr_rtt;
260 	u8 ai_rate_incr;
261 	u16 rr_rtt_th;
262 	u16 ar_cr_th;
263 	u16 cr_min_th;
264 	u8 bw_avg_weight;
265 	u8 cr_factor;
266 	u16 cr_th_max_cp;
267 	u8 cp_bias_en;
268 	u8 cp_bias;
269 	u8 cnp_ecn;
270 	u8 rtt_jitter_en;
271 	u16 bytes_per_usec;
272 	u16 cc_cr_reset_th;
273 	u8 cr_width;
274 	u8 min_quota;
275 	u8 max_quota;
276 	u8 abs_max_quota;
277 	u16 tr_lb;
278 	u8 cr_prob_fac;
279 	u8 tr_prob_fac;
280 	u16 fair_cr_th;
281 	u8 red_div;
282 	u8 cnp_ratio_th;
283 	u16 ai_ext_rtt;
284 	u8 exp_crcp_ratio;
285 	u8 low_rate_en;
286 	u16 cpcr_update_th;
287 	u16 ai_rtt_th1;
288 	u16 ai_rtt_th2;
289 	u16 cf_rtt_th;
290 	u16 sc_cr_th1; /* severe congestion cr threshold 1 */
291 	u16 sc_cr_th2; /* severe congestion cr threshold 2 */
292 	u32 l64B_per_rtt;
293 	u8 cc_ack_bytes;
294 	u16 reduce_cf_rtt_th;
295 };
296 
297 struct bnxt_qplib_cc_param {
298 	u8 alt_vlan_pcp;
299 	u16 alt_tos_dscp;
300 	u8 cc_mode;
301 	u8 enable;
302 	u16 inact_th;
303 	u16 init_cr;
304 	u16 init_tr;
305 	u16 rtt;
306 	u8 g;
307 	u8 nph_per_state;
308 	u8 time_pph;
309 	u8 pkts_pph;
310 	u8 tos_ecn;
311 	u8 tos_dscp;
312 	u16 tcp_cp;
313 	struct bnxt_qplib_cc_param_ext cc_ext;
314 	u32 mask;
315 };
316 
317 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
318 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
319 			struct bnxt_qplib_gid *gid);
320 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
321 			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
322 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
323 			struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
324 			bool update, u32 *index);
325 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
326 			   struct bnxt_qplib_gid *gid, u16 gid_idx,
327 			   const u8 *smac);
328 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
329 			    struct bnxt_qplib_dev_attr *attr);
330 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
331 				  struct bnxt_qplib_rcfw *rcfw,
332 				  struct bnxt_qplib_ctx *ctx);
333 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
334 			 bool block);
335 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
336 			  bool block);
337 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
338 			 struct bnxt_qplib_mrw *mrw);
339 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
340 			 bool block);
341 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
342 		      struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
343 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
344 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
345 				 struct bnxt_qplib_mrw *mr, int max);
346 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
347 					struct bnxt_qplib_frpl *frpl, int max);
348 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
349 				       struct bnxt_qplib_frpl *frpl);
350 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
351 			      struct bnxt_qplib_roce_stats *stats);
352 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
353 			 struct bnxt_qplib_ext_stat *estat);
354 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
355 			 struct bnxt_qplib_cc_param *cc_param);
356 
357 #define BNXT_VAR_MAX_WQE       4352
358 #define BNXT_VAR_MAX_SLOT_ALIGN 256
359 #define BNXT_VAR_MAX_SGE        13
360 #define BNXT_RE_MAX_RQ_WQES     65536
361 
362 #define BNXT_STATIC_MAX_SGE	6
363 
364 #endif /* __BNXT_QPLIB_SP_H__*/
365