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[linux.git] / drivers / infiniband / hw / bnxt_re / qplib_sp.h
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 #define BNXT_QPLIB_RESERVED_QP_WRS      128
44
45 struct bnxt_qplib_dev_attr {
46 #define FW_VER_ARR_LEN                  4
47         u8                              fw_ver[FW_VER_ARR_LEN];
48 #define BNXT_QPLIB_NUM_GIDS_SUPPORTED   256
49         u16                             max_sgid;
50         u16                             max_mrw;
51         u32                             max_qp;
52 #define BNXT_QPLIB_MAX_OUT_RD_ATOM      126
53         u32                             max_qp_rd_atom;
54         u32                             max_qp_init_rd_atom;
55         u32                             max_qp_wqes;
56         u32                             max_qp_sges;
57         u32                             max_cq;
58         u32                             max_cq_wqes;
59         u32                             max_cq_sges;
60         u32                             max_mr;
61         u64                             max_mr_size;
62         u32                             max_pd;
63         u32                             max_mw;
64         u32                             max_raw_ethy_qp;
65         u32                             max_ah;
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         bool                            is_atomic;
74         u16                             dev_cap_flags;
75         u16                             dev_cap_flags2;
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         /* For Query AH if the hw table and SW table are differnt */
98         u8                              host_sgid_index;
99         u8                              traffic_class;
100         u32                             flow_label;
101         u8                              hop_limit;
102         u8                              sl;
103         u8                              dmac[6];
104         u16                             vlan_id;
105         u8                              nw_type;
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_frpl {
124         int                             max_pg_ptrs;
125         struct bnxt_qplib_hwq           hwq;
126 };
127
128 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
129 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
130 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
131 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
132 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
133 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
134 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
135
136 struct bnxt_qplib_roce_stats {
137         u64 to_retransmits;
138         u64 seq_err_naks_rcvd;
139         /* seq_err_naks_rcvd is 64 b */
140         u64 max_retry_exceeded;
141         /* max_retry_exceeded is 64 b */
142         u64 rnr_naks_rcvd;
143         /* rnr_naks_rcvd is 64 b */
144         u64 missing_resp;
145         u64 unrecoverable_err;
146         /* unrecoverable_err is 64 b */
147         u64 bad_resp_err;
148         /* bad_resp_err is 64 b */
149         u64 local_qp_op_err;
150         /* local_qp_op_err is 64 b */
151         u64 local_protection_err;
152         /* local_protection_err is 64 b */
153         u64 mem_mgmt_op_err;
154         /* mem_mgmt_op_err is 64 b */
155         u64 remote_invalid_req_err;
156         /* remote_invalid_req_err is 64 b */
157         u64 remote_access_err;
158         /* remote_access_err is 64 b */
159         u64 remote_op_err;
160         /* remote_op_err is 64 b */
161         u64 dup_req;
162         /* dup_req is 64 b */
163         u64 res_exceed_max;
164         /* res_exceed_max is 64 b */
165         u64 res_length_mismatch;
166         /* res_length_mismatch is 64 b */
167         u64 res_exceeds_wqe;
168         /* res_exceeds_wqe is 64 b */
169         u64 res_opcode_err;
170         /* res_opcode_err is 64 b */
171         u64 res_rx_invalid_rkey;
172         /* res_rx_invalid_rkey is 64 b */
173         u64 res_rx_domain_err;
174         /* res_rx_domain_err is 64 b */
175         u64 res_rx_no_perm;
176         /* res_rx_no_perm is 64 b */
177         u64 res_rx_range_err;
178         /* res_rx_range_err is 64 b */
179         u64 res_tx_invalid_rkey;
180         /* res_tx_invalid_rkey is 64 b */
181         u64 res_tx_domain_err;
182         /* res_tx_domain_err is 64 b */
183         u64 res_tx_no_perm;
184         /* res_tx_no_perm is 64 b */
185         u64 res_tx_range_err;
186         /* res_tx_range_err is 64 b */
187         u64 res_irrq_oflow;
188         /* res_irrq_oflow is 64 b */
189         u64 res_unsup_opcode;
190         /* res_unsup_opcode is 64 b */
191         u64 res_unaligned_atomic;
192         /* res_unaligned_atomic is 64 b */
193         u64 res_rem_inv_err;
194         /* res_rem_inv_err is 64 b */
195         u64 res_mem_error;
196         /* res_mem_error is 64 b */
197         u64 res_srq_err;
198         /* res_srq_err is 64 b */
199         u64 res_cmp_err;
200         /* res_cmp_err is 64 b */
201         u64 res_invalid_dup_rkey;
202         /* res_invalid_dup_rkey is 64 b */
203         u64 res_wqe_format_err;
204         /* res_wqe_format_err is 64 b */
205         u64 res_cq_load_err;
206         /* res_cq_load_err is 64 b */
207         u64 res_srq_load_err;
208         /* res_srq_load_err is 64 b */
209         u64 res_tx_pci_err;
210         /* res_tx_pci_err is 64 b */
211         u64 res_rx_pci_err;
212         /* res_rx_pci_err is 64 b */
213         u64 res_oos_drop_count;
214         /* res_oos_drop_count */
215         u64     active_qp_count_p0;
216         /* port 0 active qps */
217         u64     active_qp_count_p1;
218         /* port 1 active qps */
219         u64     active_qp_count_p2;
220         /* port 2 active qps */
221         u64     active_qp_count_p3;
222         /* port 3 active qps */
223 };
224
225 struct bnxt_qplib_ext_stat {
226         u64  tx_atomic_req;
227         u64  tx_read_req;
228         u64  tx_read_res;
229         u64  tx_write_req;
230         u64  tx_send_req;
231         u64  tx_roce_pkts;
232         u64  tx_roce_bytes;
233         u64  rx_atomic_req;
234         u64  rx_read_req;
235         u64  rx_read_res;
236         u64  rx_write_req;
237         u64  rx_send_req;
238         u64  rx_roce_pkts;
239         u64  rx_roce_bytes;
240         u64  rx_roce_good_pkts;
241         u64  rx_roce_good_bytes;
242         u64  rx_out_of_buffer;
243         u64  rx_out_of_sequence;
244         u64  tx_cnp;
245         u64  rx_cnp;
246         u64  rx_ecn_marked;
247 };
248
249 struct bnxt_qplib_cc_param_ext {
250         u64 ext_mask;
251         u16 inact_th_hi;
252         u16 min_delta_cnp;
253         u16 init_cp;
254         u8 tr_update_mode;
255         u8 tr_update_cyls;
256         u8 fr_rtt;
257         u8 ai_rate_incr;
258         u16 rr_rtt_th;
259         u16 ar_cr_th;
260         u16 cr_min_th;
261         u8 bw_avg_weight;
262         u8 cr_factor;
263         u16 cr_th_max_cp;
264         u8 cp_bias_en;
265         u8 cp_bias;
266         u8 cnp_ecn;
267         u8 rtt_jitter_en;
268         u16 bytes_per_usec;
269         u16 cc_cr_reset_th;
270         u8 cr_width;
271         u8 min_quota;
272         u8 max_quota;
273         u8 abs_max_quota;
274         u16 tr_lb;
275         u8 cr_prob_fac;
276         u8 tr_prob_fac;
277         u16 fair_cr_th;
278         u8 red_div;
279         u8 cnp_ratio_th;
280         u16 ai_ext_rtt;
281         u8 exp_crcp_ratio;
282         u8 low_rate_en;
283         u16 cpcr_update_th;
284         u16 ai_rtt_th1;
285         u16 ai_rtt_th2;
286         u16 cf_rtt_th;
287         u16 sc_cr_th1; /* severe congestion cr threshold 1 */
288         u16 sc_cr_th2; /* severe congestion cr threshold 2 */
289         u32 l64B_per_rtt;
290         u8 cc_ack_bytes;
291         u16 reduce_cf_rtt_th;
292 };
293
294 struct bnxt_qplib_cc_param {
295         u8 alt_vlan_pcp;
296         u16 alt_tos_dscp;
297         u8 cc_mode;
298         u8 enable;
299         u16 inact_th;
300         u16 init_cr;
301         u16 init_tr;
302         u16 rtt;
303         u8 g;
304         u8 nph_per_state;
305         u8 time_pph;
306         u8 pkts_pph;
307         u8 tos_ecn;
308         u8 tos_dscp;
309         u16 tcp_cp;
310         struct bnxt_qplib_cc_param_ext cc_ext;
311         u32 mask;
312 };
313
314 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
315                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
316                         struct bnxt_qplib_gid *gid);
317 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
318                         struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
319 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
320                         struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
321                         bool update, u32 *index);
322 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
323                            struct bnxt_qplib_gid *gid, u16 gid_idx,
324                            const u8 *smac);
325 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
326                             struct bnxt_qplib_dev_attr *attr);
327 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
328                                   struct bnxt_qplib_rcfw *rcfw,
329                                   struct bnxt_qplib_ctx *ctx);
330 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
331                          bool block);
332 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
333                           bool block);
334 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
335                          struct bnxt_qplib_mrw *mrw);
336 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
337                          bool block);
338 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
339                       struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
340 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
341 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
342                                  struct bnxt_qplib_mrw *mr, int max);
343 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
344                                         struct bnxt_qplib_frpl *frpl, int max);
345 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
346                                        struct bnxt_qplib_frpl *frpl);
347 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
348                               struct bnxt_qplib_roce_stats *stats);
349 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
350                          struct bnxt_qplib_ext_stat *estat);
351 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
352                          struct bnxt_qplib_cc_param *cc_param);
353
354 #endif /* __BNXT_QPLIB_SP_H__*/
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