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fe56b9e6 YM |
1 | /* QLogic qed NIC Driver |
2 | * Copyright (c) 2015 QLogic Corporation | |
3 | * | |
4 | * This software is available under the terms of the GNU General Public License | |
5 | * (GPL) Version 2, available from the file COPYING in the main directory of | |
6 | * this source tree. | |
7 | */ | |
8 | ||
9 | #ifndef _QED_CXT_H | |
10 | #define _QED_CXT_H | |
11 | ||
12 | #include <linux/types.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/qed/qed_if.h> | |
15 | #include "qed_hsi.h" | |
16 | #include "qed.h" | |
17 | ||
18 | struct qed_cxt_info { | |
19 | void *p_cxt; | |
20 | u32 iid; | |
21 | enum protocol_type type; | |
22 | }; | |
23 | ||
dbb799c3 YM |
24 | #define MAX_TID_BLOCKS 512 |
25 | struct qed_tid_mem { | |
26 | u32 tid_size; | |
27 | u32 num_tids_per_block; | |
28 | u32 waste; | |
29 | u8 *blocks[MAX_TID_BLOCKS]; /* 4K */ | |
30 | }; | |
31 | ||
fe56b9e6 YM |
32 | /** |
33 | * @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type | |
34 | * | |
35 | * @param p_hwfn | |
36 | * @param type | |
37 | * @param p_cid | |
38 | * | |
39 | * @return int | |
40 | */ | |
41 | int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, | |
42 | enum protocol_type type, | |
43 | u32 *p_cid); | |
44 | ||
45 | /** | |
46 | * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid | |
47 | * | |
48 | * | |
49 | * @param p_hwfn | |
50 | * @param p_info in/out | |
51 | * | |
52 | * @return int | |
53 | */ | |
54 | int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, | |
55 | struct qed_cxt_info *p_info); | |
56 | ||
dbb799c3 YM |
57 | /** |
58 | * @brief qed_cxt_get_tid_mem_info | |
59 | * | |
60 | * @param p_hwfn | |
61 | * @param p_info | |
62 | * | |
63 | * @return int | |
64 | */ | |
65 | int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, | |
66 | struct qed_tid_mem *p_info); | |
67 | ||
68 | #define QED_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI | |
69 | #define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE | |
fe56b9e6 YM |
70 | enum qed_cxt_elem_type { |
71 | QED_ELEM_CXT, | |
dbb799c3 | 72 | QED_ELEM_SRQ, |
fe56b9e6 YM |
73 | QED_ELEM_TASK |
74 | }; | |
75 | ||
1408cc1f YM |
76 | u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, |
77 | enum protocol_type type, u32 *vf_cid); | |
78 | ||
fe56b9e6 YM |
79 | /** |
80 | * @brief qed_cxt_set_pf_params - Set the PF params for cxt init | |
81 | * | |
82 | * @param p_hwfn | |
83 | * | |
84 | * @return int | |
85 | */ | |
86 | int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn); | |
87 | ||
88 | /** | |
89 | * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters | |
90 | * | |
91 | * @param p_hwfn | |
92 | * | |
93 | * @return int | |
94 | */ | |
95 | int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn); | |
96 | ||
97 | /** | |
98 | * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct | |
99 | * | |
100 | * @param p_hwfn | |
101 | * | |
102 | * @return int | |
103 | */ | |
104 | int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); | |
105 | ||
106 | /** | |
107 | * @brief qed_cxt_mngr_free | |
108 | * | |
109 | * @param p_hwfn | |
110 | */ | |
111 | void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); | |
112 | ||
113 | /** | |
114 | * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map | |
115 | * | |
116 | * @param p_hwfn | |
117 | * | |
118 | * @return int | |
119 | */ | |
120 | int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); | |
121 | ||
122 | /** | |
123 | * @brief qed_cxt_mngr_setup - Reset the acquired CIDs | |
124 | * | |
125 | * @param p_hwfn | |
126 | */ | |
127 | void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); | |
128 | ||
129 | /** | |
130 | * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. | |
131 | * | |
132 | * | |
133 | * | |
134 | * @param p_hwfn | |
135 | */ | |
136 | void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); | |
137 | ||
138 | /** | |
139 | * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. | |
140 | * | |
141 | * | |
142 | * | |
143 | * @param p_hwfn | |
144 | */ | |
145 | void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn); | |
146 | ||
147 | /** | |
148 | * @brief qed_qm_init_pf - Initailze the QM PF phase, per path | |
149 | * | |
150 | * @param p_hwfn | |
151 | */ | |
152 | ||
153 | void qed_qm_init_pf(struct qed_hwfn *p_hwfn); | |
154 | ||
39651abd SRK |
155 | /** |
156 | * @brief Reconfigures QM pf on the fly | |
157 | * | |
158 | * @param p_hwfn | |
159 | * @param p_ptt | |
160 | * | |
161 | * @return int | |
162 | */ | |
163 | int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); | |
164 | ||
fe56b9e6 YM |
165 | /** |
166 | * @brief qed_cxt_release - Release a cid | |
167 | * | |
168 | * @param p_hwfn | |
169 | * @param cid | |
170 | */ | |
171 | void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, | |
172 | u32 cid); | |
173 | ||
dbb799c3 YM |
174 | #define QED_CTX_WORKING_MEM 0 |
175 | #define QED_CTX_FL_MEM 1 | |
fe56b9e6 | 176 | #endif |