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_srq;
68 	u32				max_srq_wqes;
69 	u32				max_srq_sges;
70 	u32				max_pkey;
71 	u32				max_inline_data;
72 	u32				l2_db_size;
73 	u8				tqm_alloc_reqs[MAX_TQM_ALLOC_REQ];
74 	bool				is_atomic;
75 };
76 
77 struct bnxt_qplib_pd {
78 	u32				id;
79 };
80 
81 struct bnxt_qplib_gid {
82 	u8				data[16];
83 };
84 
85 struct bnxt_qplib_gid_info {
86 	struct bnxt_qplib_gid gid;
87 	u16 vlan_id;
88 };
89 
90 struct bnxt_qplib_ah {
91 	struct bnxt_qplib_gid		dgid;
92 	struct bnxt_qplib_pd		*pd;
93 	u32				id;
94 	u8				sgid_index;
95 	/* For Query AH if the hw table and SW table are differnt */
96 	u8				host_sgid_index;
97 	u8				traffic_class;
98 	u32				flow_label;
99 	u8				hop_limit;
100 	u8				sl;
101 	u8				dmac[6];
102 	u16				vlan_id;
103 	u8				nw_type;
104 };
105 
106 struct bnxt_qplib_mrw {
107 	struct bnxt_qplib_pd		*pd;
108 	int				type;
109 	u32				flags;
110 #define BNXT_QPLIB_FR_PMR		0x80000000
111 	u32				lkey;
112 	u32				rkey;
113 #define BNXT_QPLIB_RSVD_LKEY		0xFFFFFFFF
114 	u64				va;
115 	u64				total_size;
116 	u32				npages;
117 	u64				mr_handle;
118 	struct bnxt_qplib_hwq		hwq;
119 };
120 
121 struct bnxt_qplib_frpl {
122 	int				max_pg_ptrs;
123 	struct bnxt_qplib_hwq		hwq;
124 };
125 
126 #define BNXT_QPLIB_ACCESS_LOCAL_WRITE	BIT(0)
127 #define BNXT_QPLIB_ACCESS_REMOTE_READ	BIT(1)
128 #define BNXT_QPLIB_ACCESS_REMOTE_WRITE	BIT(2)
129 #define BNXT_QPLIB_ACCESS_REMOTE_ATOMIC	BIT(3)
130 #define BNXT_QPLIB_ACCESS_MW_BIND	BIT(4)
131 #define BNXT_QPLIB_ACCESS_ZERO_BASED	BIT(5)
132 #define BNXT_QPLIB_ACCESS_ON_DEMAND	BIT(6)
133 
134 struct bnxt_qplib_roce_stats {
135 	u64 to_retransmits;
136 	u64 seq_err_naks_rcvd;
137 	/* seq_err_naks_rcvd is 64 b */
138 	u64 max_retry_exceeded;
139 	/* max_retry_exceeded is 64 b */
140 	u64 rnr_naks_rcvd;
141 	/* rnr_naks_rcvd is 64 b */
142 	u64 missing_resp;
143 	u64 unrecoverable_err;
144 	/* unrecoverable_err is 64 b */
145 	u64 bad_resp_err;
146 	/* bad_resp_err is 64 b */
147 	u64 local_qp_op_err;
148 	/* local_qp_op_err is 64 b */
149 	u64 local_protection_err;
150 	/* local_protection_err is 64 b */
151 	u64 mem_mgmt_op_err;
152 	/* mem_mgmt_op_err is 64 b */
153 	u64 remote_invalid_req_err;
154 	/* remote_invalid_req_err is 64 b */
155 	u64 remote_access_err;
156 	/* remote_access_err is 64 b */
157 	u64 remote_op_err;
158 	/* remote_op_err is 64 b */
159 	u64 dup_req;
160 	/* dup_req is 64 b */
161 	u64 res_exceed_max;
162 	/* res_exceed_max is 64 b */
163 	u64 res_length_mismatch;
164 	/* res_length_mismatch is 64 b */
165 	u64 res_exceeds_wqe;
166 	/* res_exceeds_wqe is 64 b */
167 	u64 res_opcode_err;
168 	/* res_opcode_err is 64 b */
169 	u64 res_rx_invalid_rkey;
170 	/* res_rx_invalid_rkey is 64 b */
171 	u64 res_rx_domain_err;
172 	/* res_rx_domain_err is 64 b */
173 	u64 res_rx_no_perm;
174 	/* res_rx_no_perm is 64 b */
175 	u64 res_rx_range_err;
176 	/* res_rx_range_err is 64 b */
177 	u64 res_tx_invalid_rkey;
178 	/* res_tx_invalid_rkey is 64 b */
179 	u64 res_tx_domain_err;
180 	/* res_tx_domain_err is 64 b */
181 	u64 res_tx_no_perm;
182 	/* res_tx_no_perm is 64 b */
183 	u64 res_tx_range_err;
184 	/* res_tx_range_err is 64 b */
185 	u64 res_irrq_oflow;
186 	/* res_irrq_oflow is 64 b */
187 	u64 res_unsup_opcode;
188 	/* res_unsup_opcode is 64 b */
189 	u64 res_unaligned_atomic;
190 	/* res_unaligned_atomic is 64 b */
191 	u64 res_rem_inv_err;
192 	/* res_rem_inv_err is 64 b */
193 	u64 res_mem_error;
194 	/* res_mem_error is 64 b */
195 	u64 res_srq_err;
196 	/* res_srq_err is 64 b */
197 	u64 res_cmp_err;
198 	/* res_cmp_err is 64 b */
199 	u64 res_invalid_dup_rkey;
200 	/* res_invalid_dup_rkey is 64 b */
201 	u64 res_wqe_format_err;
202 	/* res_wqe_format_err is 64 b */
203 	u64 res_cq_load_err;
204 	/* res_cq_load_err is 64 b */
205 	u64 res_srq_load_err;
206 	/* res_srq_load_err is 64 b */
207 	u64 res_tx_pci_err;
208 	/* res_tx_pci_err is 64 b */
209 	u64 res_rx_pci_err;
210 	/* res_rx_pci_err is 64 b */
211 	u64 res_oos_drop_count;
212 	/* res_oos_drop_count */
213 	u64     active_qp_count_p0;
214 	/* port 0 active qps */
215 	u64     active_qp_count_p1;
216 	/* port 1 active qps */
217 	u64     active_qp_count_p2;
218 	/* port 2 active qps */
219 	u64     active_qp_count_p3;
220 	/* port 3 active qps */
221 };
222 
223 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
224 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
225 			struct bnxt_qplib_gid *gid);
226 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
227 			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
228 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
229 			struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
230 			bool update, u32 *index);
231 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
232 			   struct bnxt_qplib_gid *gid, u16 gid_idx, u8 *smac);
233 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
234 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
235 			u16 *pkey);
236 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
237 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
238 			bool update);
239 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
240 			struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
241 			bool update);
242 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
243 			    struct bnxt_qplib_dev_attr *attr, bool vf);
244 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
245 				  struct bnxt_qplib_rcfw *rcfw,
246 				  struct bnxt_qplib_ctx *ctx);
247 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
248 			 bool block);
249 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
250 			   bool block);
251 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
252 			 struct bnxt_qplib_mrw *mrw);
253 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
254 			 bool block);
255 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
256 		      u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size);
257 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr);
258 int bnxt_qplib_alloc_fast_reg_mr(struct bnxt_qplib_res *res,
259 				 struct bnxt_qplib_mrw *mr, int max);
260 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
261 					struct bnxt_qplib_frpl *frpl, int max);
262 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
263 				       struct bnxt_qplib_frpl *frpl);
264 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
265 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
266 			      struct bnxt_qplib_roce_stats *stats);
267 #endif /* __BNXT_QPLIB_SP_H__*/
268