xref: /openbmc/linux/drivers/infiniband/hw/bnxt_re/qplib_sp.h (revision 9144f784f852f9a125cabe9927b986d909bfa439)
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				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  	u64				mr_handle;
122  	struct bnxt_qplib_hwq		hwq;
123  };
124  
125  struct bnxt_qplib_frpl {
126  	int				max_pg_ptrs;
127  	struct bnxt_qplib_hwq		hwq;
128  };
129  
130  #define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
131  #define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
132  #define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
133  #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
134  #define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
135  #define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
136  #define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)
137  
138  struct bnxt_qplib_roce_stats {
139  	u64 to_retransmits;
140  	u64 seq_err_naks_rcvd;
141  	/* seq_err_naks_rcvd is 64 b */
142  	u64 max_retry_exceeded;
143  	/* max_retry_exceeded is 64 b */
144  	u64 rnr_naks_rcvd;
145  	/* rnr_naks_rcvd is 64 b */
146  	u64 missing_resp;
147  	u64 unrecoverable_err;
148  	/* unrecoverable_err is 64 b */
149  	u64 bad_resp_err;
150  	/* bad_resp_err is 64 b */
151  	u64 local_qp_op_err;
152  	/* local_qp_op_err is 64 b */
153  	u64 local_protection_err;
154  	/* local_protection_err is 64 b */
155  	u64 mem_mgmt_op_err;
156  	/* mem_mgmt_op_err is 64 b */
157  	u64 remote_invalid_req_err;
158  	/* remote_invalid_req_err is 64 b */
159  	u64 remote_access_err;
160  	/* remote_access_err is 64 b */
161  	u64 remote_op_err;
162  	/* remote_op_err is 64 b */
163  	u64 dup_req;
164  	/* dup_req is 64 b */
165  	u64 res_exceed_max;
166  	/* res_exceed_max is 64 b */
167  	u64 res_length_mismatch;
168  	/* res_length_mismatch is 64 b */
169  	u64 res_exceeds_wqe;
170  	/* res_exceeds_wqe is 64 b */
171  	u64 res_opcode_err;
172  	/* res_opcode_err is 64 b */
173  	u64 res_rx_invalid_rkey;
174  	/* res_rx_invalid_rkey is 64 b */
175  	u64 res_rx_domain_err;
176  	/* res_rx_domain_err is 64 b */
177  	u64 res_rx_no_perm;
178  	/* res_rx_no_perm is 64 b */
179  	u64 res_rx_range_err;
180  	/* res_rx_range_err is 64 b */
181  	u64 res_tx_invalid_rkey;
182  	/* res_tx_invalid_rkey is 64 b */
183  	u64 res_tx_domain_err;
184  	/* res_tx_domain_err is 64 b */
185  	u64 res_tx_no_perm;
186  	/* res_tx_no_perm is 64 b */
187  	u64 res_tx_range_err;
188  	/* res_tx_range_err is 64 b */
189  	u64 res_irrq_oflow;
190  	/* res_irrq_oflow is 64 b */
191  	u64 res_unsup_opcode;
192  	/* res_unsup_opcode is 64 b */
193  	u64 res_unaligned_atomic;
194  	/* res_unaligned_atomic is 64 b */
195  	u64 res_rem_inv_err;
196  	/* res_rem_inv_err is 64 b */
197  	u64 res_mem_error;
198  	/* res_mem_error is 64 b */
199  	u64 res_srq_err;
200  	/* res_srq_err is 64 b */
201  	u64 res_cmp_err;
202  	/* res_cmp_err is 64 b */
203  	u64 res_invalid_dup_rkey;
204  	/* res_invalid_dup_rkey is 64 b */
205  	u64 res_wqe_format_err;
206  	/* res_wqe_format_err is 64 b */
207  	u64 res_cq_load_err;
208  	/* res_cq_load_err is 64 b */
209  	u64 res_srq_load_err;
210  	/* res_srq_load_err is 64 b */
211  	u64 res_tx_pci_err;
212  	/* res_tx_pci_err is 64 b */
213  	u64 res_rx_pci_err;
214  	/* res_rx_pci_err is 64 b */
215  	u64 res_oos_drop_count;
216  	/* res_oos_drop_count */
217  	u64     active_qp_count_p0;
218  	/* port 0 active qps */
219  	u64     active_qp_count_p1;
220  	/* port 1 active qps */
221  	u64     active_qp_count_p2;
222  	/* port 2 active qps */
223  	u64     active_qp_count_p3;
224  	/* port 3 active qps */
225  };
226  
227  struct bnxt_qplib_ext_stat {
228  	u64  tx_atomic_req;
229  	u64  tx_read_req;
230  	u64  tx_read_res;
231  	u64  tx_write_req;
232  	u64  tx_send_req;
233  	u64  tx_roce_pkts;
234  	u64  tx_roce_bytes;
235  	u64  rx_atomic_req;
236  	u64  rx_read_req;
237  	u64  rx_read_res;
238  	u64  rx_write_req;
239  	u64  rx_send_req;
240  	u64  rx_roce_pkts;
241  	u64  rx_roce_bytes;
242  	u64  rx_roce_good_pkts;
243  	u64  rx_roce_good_bytes;
244  	u64  rx_out_of_buffer;
245  	u64  rx_out_of_sequence;
246  	u64  tx_cnp;
247  	u64  rx_cnp;
248  	u64  rx_ecn_marked;
249  };
250  
251  struct bnxt_qplib_cc_param_ext {
252  	u64 ext_mask;
253  	u16 inact_th_hi;
254  	u16 min_delta_cnp;
255  	u16 init_cp;
256  	u8 tr_update_mode;
257  	u8 tr_update_cyls;
258  	u8 fr_rtt;
259  	u8 ai_rate_incr;
260  	u16 rr_rtt_th;
261  	u16 ar_cr_th;
262  	u16 cr_min_th;
263  	u8 bw_avg_weight;
264  	u8 cr_factor;
265  	u16 cr_th_max_cp;
266  	u8 cp_bias_en;
267  	u8 cp_bias;
268  	u8 cnp_ecn;
269  	u8 rtt_jitter_en;
270  	u16 bytes_per_usec;
271  	u16 cc_cr_reset_th;
272  	u8 cr_width;
273  	u8 min_quota;
274  	u8 max_quota;
275  	u8 abs_max_quota;
276  	u16 tr_lb;
277  	u8 cr_prob_fac;
278  	u8 tr_prob_fac;
279  	u16 fair_cr_th;
280  	u8 red_div;
281  	u8 cnp_ratio_th;
282  	u16 ai_ext_rtt;
283  	u8 exp_crcp_ratio;
284  	u8 low_rate_en;
285  	u16 cpcr_update_th;
286  	u16 ai_rtt_th1;
287  	u16 ai_rtt_th2;
288  	u16 cf_rtt_th;
289  	u16 sc_cr_th1; /* severe congestion cr threshold 1 */
290  	u16 sc_cr_th2; /* severe congestion cr threshold 2 */
291  	u32 l64B_per_rtt;
292  	u8 cc_ack_bytes;
293  	u16 reduce_cf_rtt_th;
294  };
295  
296  struct bnxt_qplib_cc_param {
297  	u8 alt_vlan_pcp;
298  	u16 alt_tos_dscp;
299  	u8 cc_mode;
300  	u8 enable;
301  	u16 inact_th;
302  	u16 init_cr;
303  	u16 init_tr;
304  	u16 rtt;
305  	u8 g;
306  	u8 nph_per_state;
307  	u8 time_pph;
308  	u8 pkts_pph;
309  	u8 tos_ecn;
310  	u8 tos_dscp;
311  	u16 tcp_cp;
312  	struct bnxt_qplib_cc_param_ext cc_ext;
313  	u32 mask;
314  };
315  
316  int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
317  			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
318  			struct bnxt_qplib_gid *gid);
319  int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
320  			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
321  int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
322  			struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
323  			bool update, u32 *index);
324  int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
325  			   struct bnxt_qplib_gid *gid, u16 gid_idx,
326  			   const u8 *smac);
327  int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
328  			    struct bnxt_qplib_dev_attr *attr);
329  int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
330  				  struct bnxt_qplib_rcfw *rcfw,
331  				  struct bnxt_qplib_ctx *ctx);
332  int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
333  			 bool block);
334  int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
335  			  bool block);
336  int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
337  			 struct bnxt_qplib_mrw *mrw);
338  int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
339  			 bool block);
340  int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
341  		      struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
342  int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
343  int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
344  				 struct bnxt_qplib_mrw *mr, int max);
345  int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
346  					struct bnxt_qplib_frpl *frpl, int max);
347  int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
348  				       struct bnxt_qplib_frpl *frpl);
349  int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
350  			      struct bnxt_qplib_roce_stats *stats);
351  int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
352  			 struct bnxt_qplib_ext_stat *estat);
353  int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
354  			 struct bnxt_qplib_cc_param *cc_param);
355  
356  #define BNXT_VAR_MAX_WQE       4352
357  #define BNXT_VAR_MAX_SLOT_ALIGN 256
358  #define BNXT_VAR_MAX_SGE        13
359  #define BNXT_RE_MAX_RQ_WQES     65536
360  
361  #define BNXT_STATIC_MAX_SGE	6
362  
363  #endif /* __BNXT_QPLIB_SP_H__*/
364