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#include <rdma/bnxt_re-abi.h>
 44#define BNXT_QPLIB_RESERVED_QP_WRS	128
 45
 46struct 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
 81struct bnxt_qplib_pd {
 82	u32				id;
 83};
 84
 85struct bnxt_qplib_gid {
 86	u8				data[16];
 87};
 88
 89struct bnxt_qplib_gid_info {
 90	struct bnxt_qplib_gid gid;
 91	u16 vlan_id;
 92};
 93
 94struct 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
110struct bnxt_qplib_mrw {
111	struct bnxt_qplib_pd		*pd;
112	int				type;
113	u32				access_flags;
114#define BNXT_QPLIB_MR_ACCESS_MASK	0xFF
115#define BNXT_QPLIB_FR_PMR		0x80000000
116	u32				lkey;
117	u32				rkey;
118#define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
119	u64				va;
120	u64				total_size;
121	u32				npages;
122	u16				flags;
123	u64				mr_handle;
124	struct bnxt_qplib_hwq		hwq;
125};
126
127struct bnxt_qplib_frpl {
128	int				max_pg_ptrs;
129	struct bnxt_qplib_hwq		hwq;
130};
131
132#define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
133#define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
134#define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
135#define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
136#define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
137#define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
138#define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)
139
140struct bnxt_qplib_roce_stats {
141	u64 to_retransmits;
142	u64 seq_err_naks_rcvd;
143	/* seq_err_naks_rcvd is 64 b */
144	u64 max_retry_exceeded;
145	/* max_retry_exceeded is 64 b */
146	u64 rnr_naks_rcvd;
147	/* rnr_naks_rcvd is 64 b */
148	u64 missing_resp;
149	u64 unrecoverable_err;
150	/* unrecoverable_err is 64 b */
151	u64 bad_resp_err;
152	/* bad_resp_err is 64 b */
153	u64 local_qp_op_err;
154	/* local_qp_op_err is 64 b */
155	u64 local_protection_err;
156	/* local_protection_err is 64 b */
157	u64 mem_mgmt_op_err;
158	/* mem_mgmt_op_err is 64 b */
159	u64 remote_invalid_req_err;
160	/* remote_invalid_req_err is 64 b */
161	u64 remote_access_err;
162	/* remote_access_err is 64 b */
163	u64 remote_op_err;
164	/* remote_op_err is 64 b */
165	u64 dup_req;
166	/* dup_req is 64 b */
167	u64 res_exceed_max;
168	/* res_exceed_max is 64 b */
169	u64 res_length_mismatch;
170	/* res_length_mismatch is 64 b */
171	u64 res_exceeds_wqe;
172	/* res_exceeds_wqe is 64 b */
173	u64 res_opcode_err;
174	/* res_opcode_err is 64 b */
175	u64 res_rx_invalid_rkey;
176	/* res_rx_invalid_rkey is 64 b */
177	u64 res_rx_domain_err;
178	/* res_rx_domain_err is 64 b */
179	u64 res_rx_no_perm;
180	/* res_rx_no_perm is 64 b */
181	u64 res_rx_range_err;
182	/* res_rx_range_err is 64 b */
183	u64 res_tx_invalid_rkey;
184	/* res_tx_invalid_rkey is 64 b */
185	u64 res_tx_domain_err;
186	/* res_tx_domain_err is 64 b */
187	u64 res_tx_no_perm;
188	/* res_tx_no_perm is 64 b */
189	u64 res_tx_range_err;
190	/* res_tx_range_err is 64 b */
191	u64 res_irrq_oflow;
192	/* res_irrq_oflow is 64 b */
193	u64 res_unsup_opcode;
194	/* res_unsup_opcode is 64 b */
195	u64 res_unaligned_atomic;
196	/* res_unaligned_atomic is 64 b */
197	u64 res_rem_inv_err;
198	/* res_rem_inv_err is 64 b */
199	u64 res_mem_error;
200	/* res_mem_error is 64 b */
201	u64 res_srq_err;
202	/* res_srq_err is 64 b */
203	u64 res_cmp_err;
204	/* res_cmp_err is 64 b */
205	u64 res_invalid_dup_rkey;
206	/* res_invalid_dup_rkey is 64 b */
207	u64 res_wqe_format_err;
208	/* res_wqe_format_err is 64 b */
209	u64 res_cq_load_err;
210	/* res_cq_load_err is 64 b */
211	u64 res_srq_load_err;
212	/* res_srq_load_err is 64 b */
213	u64 res_tx_pci_err;
214	/* res_tx_pci_err is 64 b */
215	u64 res_rx_pci_err;
216	/* res_rx_pci_err is 64 b */
217	u64 res_oos_drop_count;
218	/* res_oos_drop_count */
219	u64     active_qp_count_p0;
220	/* port 0 active qps */
221	u64     active_qp_count_p1;
222	/* port 1 active qps */
223	u64     active_qp_count_p2;
224	/* port 2 active qps */
225	u64     active_qp_count_p3;
226	/* port 3 active qps */
227};
228
229struct bnxt_qplib_ext_stat {
230	u64  tx_atomic_req;
231	u64  tx_read_req;
232	u64  tx_read_res;
233	u64  tx_write_req;
234	u64  tx_send_req;
235	u64  tx_roce_pkts;
236	u64  tx_roce_bytes;
237	u64  rx_atomic_req;
238	u64  rx_read_req;
239	u64  rx_read_res;
240	u64  rx_write_req;
241	u64  rx_send_req;
242	u64  rx_roce_pkts;
243	u64  rx_roce_bytes;
244	u64  rx_roce_good_pkts;
245	u64  rx_roce_good_bytes;
246	u64  rx_out_of_buffer;
247	u64  rx_out_of_sequence;
248	u64  tx_cnp;
249	u64  rx_cnp;
250	u64  rx_ecn_marked;
251};
252
253struct bnxt_qplib_cc_param_ext {
254	u64 ext_mask;
255	u16 inact_th_hi;
256	u16 min_delta_cnp;
257	u16 init_cp;
258	u8 tr_update_mode;
259	u8 tr_update_cyls;
260	u8 fr_rtt;
261	u8 ai_rate_incr;
262	u16 rr_rtt_th;
263	u16 ar_cr_th;
264	u16 cr_min_th;
265	u8 bw_avg_weight;
266	u8 cr_factor;
267	u16 cr_th_max_cp;
268	u8 cp_bias_en;
269	u8 cp_bias;
270	u8 cnp_ecn;
271	u8 rtt_jitter_en;
272	u16 bytes_per_usec;
273	u16 cc_cr_reset_th;
274	u8 cr_width;
275	u8 min_quota;
276	u8 max_quota;
277	u8 abs_max_quota;
278	u16 tr_lb;
279	u8 cr_prob_fac;
280	u8 tr_prob_fac;
281	u16 fair_cr_th;
282	u8 red_div;
283	u8 cnp_ratio_th;
284	u16 ai_ext_rtt;
285	u8 exp_crcp_ratio;
286	u8 low_rate_en;
287	u16 cpcr_update_th;
288	u16 ai_rtt_th1;
289	u16 ai_rtt_th2;
290	u16 cf_rtt_th;
291	u16 sc_cr_th1; /* severe congestion cr threshold 1 */
292	u16 sc_cr_th2; /* severe congestion cr threshold 2 */
293	u32 l64B_per_rtt;
294	u8 cc_ack_bytes;
295	u16 reduce_cf_rtt_th;
296};
297
298struct bnxt_qplib_cc_param {
299	u8 alt_vlan_pcp;
300	u8 qp1_tos_dscp;
301	u16 alt_tos_dscp;
302	u8 cc_mode;
303	u8 enable;
304	u16 inact_th;
305	u16 init_cr;
306	u16 init_tr;
307	u16 rtt;
308	u8 g;
309	u8 nph_per_state;
310	u8 time_pph;
311	u8 pkts_pph;
312	u8 tos_ecn;
313	u8 tos_dscp;
314	u16 tcp_cp;
315	struct bnxt_qplib_cc_param_ext cc_ext;
316	u32 mask;
317};
318
319int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
320			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
321			struct bnxt_qplib_gid *gid);
322int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
323			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
324int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
325			struct bnxt_qplib_gid *gid, const u8 *mac, u16 vlan_id,
326			bool update, u32 *index,
327			bool is_ugid, u32 stats_ctx_id);
328int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
329			   struct bnxt_qplib_gid *gid, u16 gid_idx,
330			   const u8 *smac);
331int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw);
332int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
333				  struct bnxt_qplib_rcfw *rcfw,
334				  struct bnxt_qplib_ctx *ctx);
335int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
336			 bool block);
337int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
338			  bool block);
339int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
340			 struct bnxt_qplib_mrw *mrw);
341int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
342			 bool block);
343int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
344		      struct ib_umem *umem, int num_pbls, u32 buf_pg_size, bool unified_mr);
345int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
346int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
347				 struct bnxt_qplib_mrw *mr, int max);
348int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
349					struct bnxt_qplib_frpl *frpl, int max);
350int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
351				       struct bnxt_qplib_frpl *frpl);
352int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
353			      struct bnxt_qplib_roce_stats *stats);
354int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
355			 struct bnxt_qplib_ext_stat *estat);
356int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
357			 struct bnxt_qplib_cc_param *cc_param);
358int bnxt_qplib_read_context(struct bnxt_qplib_rcfw *rcfw, u8 type, u32 xid,
359			    u32 resp_size, void *resp_va);
360int bnxt_qplib_query_cc_param(struct bnxt_qplib_res *res,
361			      struct bnxt_qplib_cc_param *cc_param);
362void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw);
363int bnxt_qplib_create_flow(struct bnxt_qplib_res *res);
364int bnxt_qplib_destroy_flow(struct bnxt_qplib_res *res);
365
366#define BNXT_VAR_MAX_WQE       4352
367#define BNXT_VAR_MAX_SLOT_ALIGN 256
368#define BNXT_VAR_MAX_SGE        13
369#define BNXT_RE_MAX_RQ_WQES     65536
370
371#define BNXT_STATIC_MAX_SGE	6
372
373#endif /* __BNXT_QPLIB_SP_H__*/