1 /*
2  * Huawei HiNIC PCI Express Linux driver
3  * Copyright(c) 2017 Huawei Technologies Co., Ltd
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * for more details.
13  *
14  */
15 
16 #ifndef HINIC_HW_QP_CTXT_H
17 #define HINIC_HW_QP_CTXT_H
18 
19 #include <linux/types.h>
20 
21 #include "hinic_hw_cmdq.h"
22 
23 #define HINIC_SQ_CTXT_CEQ_ATTR_GLOBAL_SQ_ID_SHIFT       13
24 #define HINIC_SQ_CTXT_CEQ_ATTR_EN_SHIFT                 23
25 
26 #define HINIC_SQ_CTXT_CEQ_ATTR_GLOBAL_SQ_ID_MASK        0x3FF
27 #define HINIC_SQ_CTXT_CEQ_ATTR_EN_MASK                  0x1
28 
29 #define HINIC_SQ_CTXT_CEQ_ATTR_SET(val, member)         \
30 	(((u32)(val) & HINIC_SQ_CTXT_CEQ_ATTR_##member##_MASK) \
31 	 << HINIC_SQ_CTXT_CEQ_ATTR_##member##_SHIFT)
32 
33 #define HINIC_SQ_CTXT_CI_IDX_SHIFT                      11
34 #define HINIC_SQ_CTXT_CI_WRAPPED_SHIFT                  23
35 
36 #define HINIC_SQ_CTXT_CI_IDX_MASK                       0xFFF
37 #define HINIC_SQ_CTXT_CI_WRAPPED_MASK                   0x1
38 
39 #define HINIC_SQ_CTXT_CI_SET(val, member)               \
40 	(((u32)(val) & HINIC_SQ_CTXT_CI_##member##_MASK) \
41 	 << HINIC_SQ_CTXT_CI_##member##_SHIFT)
42 
43 #define HINIC_SQ_CTXT_WQ_PAGE_HI_PFN_SHIFT              0
44 #define HINIC_SQ_CTXT_WQ_PAGE_PI_SHIFT                  20
45 
46 #define HINIC_SQ_CTXT_WQ_PAGE_HI_PFN_MASK               0xFFFFF
47 #define HINIC_SQ_CTXT_WQ_PAGE_PI_MASK                   0xFFF
48 
49 #define HINIC_SQ_CTXT_WQ_PAGE_SET(val, member)          \
50 	(((u32)(val) & HINIC_SQ_CTXT_WQ_PAGE_##member##_MASK) \
51 	 << HINIC_SQ_CTXT_WQ_PAGE_##member##_SHIFT)
52 
53 #define HINIC_SQ_CTXT_PREF_CACHE_THRESHOLD_SHIFT        0
54 #define HINIC_SQ_CTXT_PREF_CACHE_MAX_SHIFT              14
55 #define HINIC_SQ_CTXT_PREF_CACHE_MIN_SHIFT              25
56 
57 #define HINIC_SQ_CTXT_PREF_CACHE_THRESHOLD_MASK         0x3FFF
58 #define HINIC_SQ_CTXT_PREF_CACHE_MAX_MASK               0x7FF
59 #define HINIC_SQ_CTXT_PREF_CACHE_MIN_MASK               0x7F
60 
61 #define HINIC_SQ_CTXT_PREF_WQ_HI_PFN_SHIFT              0
62 #define HINIC_SQ_CTXT_PREF_CI_SHIFT                     20
63 
64 #define HINIC_SQ_CTXT_PREF_WQ_HI_PFN_MASK               0xFFFFF
65 #define HINIC_SQ_CTXT_PREF_CI_MASK                      0xFFF
66 
67 #define HINIC_SQ_CTXT_PREF_SET(val, member)             \
68 	(((u32)(val) & HINIC_SQ_CTXT_PREF_##member##_MASK) \
69 	 << HINIC_SQ_CTXT_PREF_##member##_SHIFT)
70 
71 #define HINIC_SQ_CTXT_WQ_BLOCK_HI_PFN_SHIFT             0
72 
73 #define HINIC_SQ_CTXT_WQ_BLOCK_HI_PFN_MASK              0x7FFFFF
74 
75 #define HINIC_SQ_CTXT_WQ_BLOCK_SET(val, member)         \
76 	(((u32)(val) & HINIC_SQ_CTXT_WQ_BLOCK_##member##_MASK) \
77 	 << HINIC_SQ_CTXT_WQ_BLOCK_##member##_SHIFT)
78 
79 #define HINIC_RQ_CTXT_CEQ_ATTR_EN_SHIFT                 0
80 #define HINIC_RQ_CTXT_CEQ_ATTR_WRAPPED_SHIFT            1
81 
82 #define HINIC_RQ_CTXT_CEQ_ATTR_EN_MASK                  0x1
83 #define HINIC_RQ_CTXT_CEQ_ATTR_WRAPPED_MASK             0x1
84 
85 #define HINIC_RQ_CTXT_CEQ_ATTR_SET(val, member)         \
86 	(((u32)(val) & HINIC_RQ_CTXT_CEQ_ATTR_##member##_MASK) \
87 	 << HINIC_RQ_CTXT_CEQ_ATTR_##member##_SHIFT)
88 
89 #define HINIC_RQ_CTXT_PI_IDX_SHIFT                      0
90 #define HINIC_RQ_CTXT_PI_INTR_SHIFT                     22
91 
92 #define HINIC_RQ_CTXT_PI_IDX_MASK                       0xFFF
93 #define HINIC_RQ_CTXT_PI_INTR_MASK                      0x3FF
94 
95 #define HINIC_RQ_CTXT_PI_SET(val, member)               \
96 	(((u32)(val) & HINIC_RQ_CTXT_PI_##member##_MASK) << \
97 	 HINIC_RQ_CTXT_PI_##member##_SHIFT)
98 
99 #define HINIC_RQ_CTXT_WQ_PAGE_HI_PFN_SHIFT              0
100 #define HINIC_RQ_CTXT_WQ_PAGE_CI_SHIFT                  20
101 
102 #define HINIC_RQ_CTXT_WQ_PAGE_HI_PFN_MASK               0xFFFFF
103 #define HINIC_RQ_CTXT_WQ_PAGE_CI_MASK                   0xFFF
104 
105 #define HINIC_RQ_CTXT_WQ_PAGE_SET(val, member)          \
106 	(((u32)(val) & HINIC_RQ_CTXT_WQ_PAGE_##member##_MASK) << \
107 	 HINIC_RQ_CTXT_WQ_PAGE_##member##_SHIFT)
108 
109 #define HINIC_RQ_CTXT_PREF_CACHE_THRESHOLD_SHIFT        0
110 #define HINIC_RQ_CTXT_PREF_CACHE_MAX_SHIFT              14
111 #define HINIC_RQ_CTXT_PREF_CACHE_MIN_SHIFT              25
112 
113 #define HINIC_RQ_CTXT_PREF_CACHE_THRESHOLD_MASK         0x3FFF
114 #define HINIC_RQ_CTXT_PREF_CACHE_MAX_MASK               0x7FF
115 #define HINIC_RQ_CTXT_PREF_CACHE_MIN_MASK               0x7F
116 
117 #define HINIC_RQ_CTXT_PREF_WQ_HI_PFN_SHIFT              0
118 #define HINIC_RQ_CTXT_PREF_CI_SHIFT                     20
119 
120 #define HINIC_RQ_CTXT_PREF_WQ_HI_PFN_MASK               0xFFFFF
121 #define HINIC_RQ_CTXT_PREF_CI_MASK                      0xFFF
122 
123 #define HINIC_RQ_CTXT_PREF_SET(val, member)             \
124 	(((u32)(val) & HINIC_RQ_CTXT_PREF_##member##_MASK) << \
125 	 HINIC_RQ_CTXT_PREF_##member##_SHIFT)
126 
127 #define HINIC_RQ_CTXT_WQ_BLOCK_HI_PFN_SHIFT             0
128 
129 #define HINIC_RQ_CTXT_WQ_BLOCK_HI_PFN_MASK              0x7FFFFF
130 
131 #define HINIC_RQ_CTXT_WQ_BLOCK_SET(val, member)         \
132 	(((u32)(val) & HINIC_RQ_CTXT_WQ_BLOCK_##member##_MASK) << \
133 	 HINIC_RQ_CTXT_WQ_BLOCK_##member##_SHIFT)
134 
135 #define HINIC_SQ_CTXT_SIZE(num_sqs) (sizeof(struct hinic_qp_ctxt_header) \
136 				     + (num_sqs) * sizeof(struct hinic_sq_ctxt))
137 
138 #define HINIC_RQ_CTXT_SIZE(num_rqs) (sizeof(struct hinic_qp_ctxt_header) \
139 				     + (num_rqs) * sizeof(struct hinic_rq_ctxt))
140 
141 #define HINIC_WQ_PAGE_PFN_SHIFT         12
142 #define HINIC_WQ_BLOCK_PFN_SHIFT        9
143 
144 #define HINIC_WQ_PAGE_PFN(page_addr)    ((page_addr) >> HINIC_WQ_PAGE_PFN_SHIFT)
145 #define HINIC_WQ_BLOCK_PFN(page_addr)   ((page_addr) >> \
146 					 HINIC_WQ_BLOCK_PFN_SHIFT)
147 
148 #define HINIC_Q_CTXT_MAX                \
149 		((HINIC_CMDQ_BUF_SIZE - sizeof(struct hinic_qp_ctxt_header)) \
150 		 / sizeof(struct hinic_sq_ctxt))
151 
152 enum hinic_qp_ctxt_type {
153 	HINIC_QP_CTXT_TYPE_SQ,
154 	HINIC_QP_CTXT_TYPE_RQ
155 };
156 
157 struct hinic_qp_ctxt_header {
158 	u16     num_queues;
159 	u16     queue_type;
160 	u32     addr_offset;
161 };
162 
163 struct hinic_sq_ctxt {
164 	u32     ceq_attr;
165 
166 	u32     ci_wrapped;
167 
168 	u32     wq_hi_pfn_pi;
169 	u32     wq_lo_pfn;
170 
171 	u32     pref_cache;
172 	u32     pref_wrapped;
173 	u32     pref_wq_hi_pfn_ci;
174 	u32     pref_wq_lo_pfn;
175 
176 	u32     rsvd0;
177 	u32     rsvd1;
178 
179 	u32     wq_block_hi_pfn;
180 	u32     wq_block_lo_pfn;
181 };
182 
183 struct hinic_rq_ctxt {
184 	u32     ceq_attr;
185 
186 	u32     pi_intr_attr;
187 
188 	u32     wq_hi_pfn_ci;
189 	u32     wq_lo_pfn;
190 
191 	u32     pref_cache;
192 	u32     pref_wrapped;
193 
194 	u32     pref_wq_hi_pfn_ci;
195 	u32     pref_wq_lo_pfn;
196 
197 	u32     pi_paddr_hi;
198 	u32     pi_paddr_lo;
199 
200 	u32     wq_block_hi_pfn;
201 	u32     wq_block_lo_pfn;
202 };
203 
204 struct hinic_sq_ctxt_block {
205 	struct hinic_qp_ctxt_header hdr;
206 	struct hinic_sq_ctxt sq_ctxt[HINIC_Q_CTXT_MAX];
207 };
208 
209 struct hinic_rq_ctxt_block {
210 	struct hinic_qp_ctxt_header hdr;
211 	struct hinic_rq_ctxt rq_ctxt[HINIC_Q_CTXT_MAX];
212 };
213 
214 #endif
215