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 #define BNXT_QPLIB_NUM_GIDS_SUPPORTED	256
51 	u16				max_sgid;
52 	u16				max_mrw;
53 	u32				max_qp;
54 #define BNXT_QPLIB_MAX_OUT_RD_ATOM	126
55 	u32				max_qp_rd_atom;
56 	u32				max_qp_init_rd_atom;
57 	u32				max_qp_wqes;
58 	u32				max_qp_sges;
59 	u32				max_cq;
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 };
77 
78 struct bnxt_qplib_pd {
79 	u32				id;
80 };
81 
82 struct bnxt_qplib_gid {
83 	u8				data[16];
84 };
85 
86 struct bnxt_qplib_gid_info {
87 	struct bnxt_qplib_gid gid;
88 	u16 vlan_id;
89 };
90 
91 struct bnxt_qplib_ah {
92 	struct bnxt_qplib_gid		dgid;
93 	struct bnxt_qplib_pd		*pd;
94 	u32				id;
95 	u8				sgid_index;
96 	/* For Query AH if the hw table and SW table are differnt */
97 	u8				host_sgid_index;
98 	u8				traffic_class;
99 	u32				flow_label;
100 	u8				hop_limit;
101 	u8				sl;
102 	u8				dmac[6];
103 	u16				vlan_id;
104 	u8				nw_type;
105 };
106 
107 struct bnxt_qplib_mrw {
108 	struct bnxt_qplib_pd		*pd;
109 	int				type;
110 	u32				flags;
111 #define BNXT_QPLIB_FR_PMR		0x80000000
112 	u32				lkey;
113 	u32				rkey;
114 #define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
115 	u64				va;
116 	u64				total_size;
117 	u32				npages;
118 	u64				mr_handle;
119 	struct bnxt_qplib_hwq		hwq;
120 };
121 
122 struct bnxt_qplib_frpl {
123 	int				max_pg_ptrs;
124 	struct bnxt_qplib_hwq		hwq;
125 };
126 
127 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
128 #define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
129 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
130 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
131 #define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
132 #define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
133 #define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)
134 
135 struct bnxt_qplib_roce_stats {
136 	u64 to_retransmits;
137 	u64 seq_err_naks_rcvd;
138 	/* seq_err_naks_rcvd is 64 b */
139 	u64 max_retry_exceeded;
140 	/* max_retry_exceeded is 64 b */
141 	u64 rnr_naks_rcvd;
142 	/* rnr_naks_rcvd is 64 b */
143 	u64 missing_resp;
144 	u64 unrecoverable_err;
145 	/* unrecoverable_err is 64 b */
146 	u64 bad_resp_err;
147 	/* bad_resp_err is 64 b */
148 	u64 local_qp_op_err;
149 	/* local_qp_op_err is 64 b */
150 	u64 local_protection_err;
151 	/* local_protection_err is 64 b */
152 	u64 mem_mgmt_op_err;
153 	/* mem_mgmt_op_err is 64 b */
154 	u64 remote_invalid_req_err;
155 	/* remote_invalid_req_err is 64 b */
156 	u64 remote_access_err;
157 	/* remote_access_err is 64 b */
158 	u64 remote_op_err;
159 	/* remote_op_err is 64 b */
160 	u64 dup_req;
161 	/* dup_req is 64 b */
162 	u64 res_exceed_max;
163 	/* res_exceed_max is 64 b */
164 	u64 res_length_mismatch;
165 	/* res_length_mismatch is 64 b */
166 	u64 res_exceeds_wqe;
167 	/* res_exceeds_wqe is 64 b */
168 	u64 res_opcode_err;
169 	/* res_opcode_err is 64 b */
170 	u64 res_rx_invalid_rkey;
171 	/* res_rx_invalid_rkey is 64 b */
172 	u64 res_rx_domain_err;
173 	/* res_rx_domain_err is 64 b */
174 	u64 res_rx_no_perm;
175 	/* res_rx_no_perm is 64 b */
176 	u64 res_rx_range_err;
177 	/* res_rx_range_err is 64 b */
178 	u64 res_tx_invalid_rkey;
179 	/* res_tx_invalid_rkey is 64 b */
180 	u64 res_tx_domain_err;
181 	/* res_tx_domain_err is 64 b */
182 	u64 res_tx_no_perm;
183 	/* res_tx_no_perm is 64 b */
184 	u64 res_tx_range_err;
185 	/* res_tx_range_err is 64 b */
186 	u64 res_irrq_oflow;
187 	/* res_irrq_oflow is 64 b */
188 	u64 res_unsup_opcode;
189 	/* res_unsup_opcode is 64 b */
190 	u64 res_unaligned_atomic;
191 	/* res_unaligned_atomic is 64 b */
192 	u64 res_rem_inv_err;
193 	/* res_rem_inv_err is 64 b */
194 	u64 res_mem_error;
195 	/* res_mem_error is 64 b */
196 	u64 res_srq_err;
197 	/* res_srq_err is 64 b */
198 	u64 res_cmp_err;
199 	/* res_cmp_err is 64 b */
200 	u64 res_invalid_dup_rkey;
201 	/* res_invalid_dup_rkey is 64 b */
202 	u64 res_wqe_format_err;
203 	/* res_wqe_format_err is 64 b */
204 	u64 res_cq_load_err;
205 	/* res_cq_load_err is 64 b */
206 	u64 res_srq_load_err;
207 	/* res_srq_load_err is 64 b */
208 	u64 res_tx_pci_err;
209 	/* res_tx_pci_err is 64 b */
210 	u64 res_rx_pci_err;
211 	/* res_rx_pci_err is 64 b */
212 	u64 res_oos_drop_count;
213 	/* res_oos_drop_count */
214 	u64     active_qp_count_p0;
215 	/* port 0 active qps */
216 	u64     active_qp_count_p1;
217 	/* port 1 active qps */
218 	u64     active_qp_count_p2;
219 	/* port 2 active qps */
220 	u64     active_qp_count_p3;
221 	/* port 3 active qps */
222 };
223 
224 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
225 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
226 			struct bnxt_qplib_gid *gid);
227 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
228 			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
229 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
230 			struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
231 			bool update, u32 *index);
232 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
233 			   struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
234 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
235 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
236 			u16 *pkey);
237 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
238 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
239 			bool update);
240 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
241 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
242 			bool update);
243 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
244 			    struct bnxt_qplib_dev_attr *attr, bool vf);
245 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
246 				  struct bnxt_qplib_rcfw *rcfw,
247 				  struct bnxt_qplib_ctx *ctx);
248 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
249 			 bool block);
250 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
251 			   bool block);
252 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
253 			 struct bnxt_qplib_mrw *mrw);
254 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
255 			 bool block);
256 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
257 		      struct ib_umem *umem, int num_pbls, u32 buf_pg_size);
258 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
259 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
260 				 struct bnxt_qplib_mrw *mr, int max);
261 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
262 					struct bnxt_qplib_frpl *frpl, int max);
263 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
264 				       struct bnxt_qplib_frpl *frpl);
265 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
266 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
267 			      struct bnxt_qplib_roce_stats *stats);
268 #endif /* __BNXT_QPLIB_SP_H__*/
269