39454b3f738d0300da86ed1838d6997be5318714
[sfrench/cifs-2.6.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 #define PCI_EXP_DEVCTL2_ATOMIC_REQ      0x0040
46
47 struct bnxt_qplib_dev_attr {
48 #define FW_VER_ARR_LEN                  4
49         u8                              fw_ver[FW_VER_ARR_LEN];
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         u32                             max_cq_wqes;
60         u32                             max_cq_sges;
61         u32                             max_mr;
62         u64                             max_mr_size;
63         u32                             max_pd;
64         u32                             max_mw;
65         u32                             max_raw_ethy_qp;
66         u32                             max_ah;
67         u32                             max_fmr;
68         u32                             max_map_per_fmr;
69         u32                             max_srq;
70         u32                             max_srq_wqes;
71         u32                             max_srq_sges;
72         u32                             max_pkey;
73         u32                             max_inline_data;
74         u32                             l2_db_size;
75         u8                              tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
76         bool                            is_atomic;
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_ah {
88         struct bnxt_qplib_gid           dgid;
89         struct bnxt_qplib_pd            *pd;
90         u32                             id;
91         u8                              sgid_index;
92         /* For Query AH if the hw table and SW table are differnt */
93         u8                              host_sgid_index;
94         u8                              traffic_class;
95         u32                             flow_label;
96         u8                              hop_limit;
97         u8                              sl;
98         u8                              dmac[6];
99         u16                             vlan_id;
100         u8                              nw_type;
101 };
102
103 struct bnxt_qplib_mrw {
104         struct bnxt_qplib_pd            *pd;
105         int                             type;
106         u32                             flags;
107 #define BNXT_QPLIB_FR_PMR               0x80000000
108         u32                             lkey;
109         u32                             rkey;
110 #define BNXT_QPLIB_RSVD_LKEY            0xFFFFFFFF
111         u64                             va;
112         u64                             total_size;
113         u32                             npages;
114         u64                             mr_handle;
115         struct bnxt_qplib_hwq           hwq;
116 };
117
118 struct bnxt_qplib_frpl {
119         int                             max_pg_ptrs;
120         struct bnxt_qplib_hwq           hwq;
121 };
122
123 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE   BIT(0)
124 #define BNXT_QPLIB_ACCESS_REMOTE_READ   BIT(1)
125 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE  BIT(2)
126 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC BIT(3)
127 #define BNXT_QPLIB_ACCESS_MW_BIND       BIT(4)
128 #define BNXT_QPLIB_ACCESS_ZERO_BASED    BIT(5)
129 #define BNXT_QPLIB_ACCESS_ON_DEMAND     BIT(6)
130
131 struct bnxt_qplib_roce_stats {
132         u64 to_retransmits;
133         u64 seq_err_naks_rcvd;
134         /* seq_err_naks_rcvd is 64 b */
135         u64 max_retry_exceeded;
136         /* max_retry_exceeded is 64 b */
137         u64 rnr_naks_rcvd;
138         /* rnr_naks_rcvd is 64 b */
139         u64 missing_resp;
140         u64 unrecoverable_err;
141         /* unrecoverable_err is 64 b */
142         u64 bad_resp_err;
143         /* bad_resp_err is 64 b */
144         u64 local_qp_op_err;
145         /* local_qp_op_err is 64 b */
146         u64 local_protection_err;
147         /* local_protection_err is 64 b */
148         u64 mem_mgmt_op_err;
149         /* mem_mgmt_op_err is 64 b */
150         u64 remote_invalid_req_err;
151         /* remote_invalid_req_err is 64 b */
152         u64 remote_access_err;
153         /* remote_access_err is 64 b */
154         u64 remote_op_err;
155         /* remote_op_err is 64 b */
156         u64 dup_req;
157         /* dup_req is 64 b */
158         u64 res_exceed_max;
159         /* res_exceed_max is 64 b */
160         u64 res_length_mismatch;
161         /* res_length_mismatch is 64 b */
162         u64 res_exceeds_wqe;
163         /* res_exceeds_wqe is 64 b */
164         u64 res_opcode_err;
165         /* res_opcode_err is 64 b */
166         u64 res_rx_invalid_rkey;
167         /* res_rx_invalid_rkey is 64 b */
168         u64 res_rx_domain_err;
169         /* res_rx_domain_err is 64 b */
170         u64 res_rx_no_perm;
171         /* res_rx_no_perm is 64 b */
172         u64 res_rx_range_err;
173         /* res_rx_range_err is 64 b */
174         u64 res_tx_invalid_rkey;
175         /* res_tx_invalid_rkey is 64 b */
176         u64 res_tx_domain_err;
177         /* res_tx_domain_err is 64 b */
178         u64 res_tx_no_perm;
179         /* res_tx_no_perm is 64 b */
180         u64 res_tx_range_err;
181         /* res_tx_range_err is 64 b */
182         u64 res_irrq_oflow;
183         /* res_irrq_oflow is 64 b */
184         u64 res_unsup_opcode;
185         /* res_unsup_opcode is 64 b */
186         u64 res_unaligned_atomic;
187         /* res_unaligned_atomic is 64 b */
188         u64 res_rem_inv_err;
189         /* res_rem_inv_err is 64 b */
190         u64 res_mem_error;
191         /* res_mem_error is 64 b */
192         u64 res_srq_err;
193         /* res_srq_err is 64 b */
194         u64 res_cmp_err;
195         /* res_cmp_err is 64 b */
196         u64 res_invalid_dup_rkey;
197         /* res_invalid_dup_rkey is 64 b */
198         u64 res_wqe_format_err;
199         /* res_wqe_format_err is 64 b */
200         u64 res_cq_load_err;
201         /* res_cq_load_err is 64 b */
202         u64 res_srq_load_err;
203         /* res_srq_load_err is 64 b */
204         u64 res_tx_pci_err;
205         /* res_tx_pci_err is 64 b */
206         u64 res_rx_pci_err;
207         /* res_rx_pci_err is 64 b */
208         u64 res_oos_drop_count;
209         /* res_oos_drop_count */
210         u64     active_qp_count_p0;
211         /* port 0 active qps */
212         u64     active_qp_count_p1;
213         /* port 1 active qps */
214         u64     active_qp_count_p2;
215         /* port 2 active qps */
216         u64     active_qp_count_p3;
217         /* port 3 active qps */
218 };
219
220 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
221                         struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
222                         struct bnxt_qplib_gid *gid);
223 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
224                         struct bnxt_qplib_gid *gid, bool update);
225 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
226                         struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
227                         bool update, u32 *index);
228 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
229                            struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
230 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
231                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
232                         u16 *pkey);
233 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
234                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
235                         bool update);
236 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
237                         struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
238                         bool update);
239 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
240                             struct bnxt_qplib_dev_attr *attr, bool vf);
241 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
242                                   struct bnxt_qplib_rcfw *rcfw,
243                                   struct bnxt_qplib_ctx *ctx);
244 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
245                          bool block);
246 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
247                           bool block);
248 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
249                          struct bnxt_qplib_mrw *mrw);
250 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
251                          bool block);
252 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
253                       u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size);
254 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
255 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
256                                  struct bnxt_qplib_mrw *mr, int max);
257 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
258                                         struct bnxt_qplib_frpl *frpl, int max);
259 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
260                                        struct bnxt_qplib_frpl *frpl);
261 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
262 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
263                               struct bnxt_qplib_roce_stats *stats);
264 #endif /* __BNXT_QPLIB_SP_H__*/