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7 #ifndef HINIC_CMDQ_H
8 #define HINIC_CMDQ_H
9
10 #include <linux/types.h>
11 #include <linux/spinlock.h>
12 #include <linux/completion.h>
13 #include <linux/pci.h>
14
15 #include "hinic_hw_if.h"
16 #include "hinic_hw_wq.h"
17
18 #define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_SHIFT 0
19 #define HINIC_CMDQ_CTXT_EQ_ID_SHIFT 56
20 #define HINIC_CMDQ_CTXT_CEQ_ARM_SHIFT 61
21 #define HINIC_CMDQ_CTXT_CEQ_EN_SHIFT 62
22 #define HINIC_CMDQ_CTXT_WRAPPED_SHIFT 63
23
24 #define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_MASK 0xFFFFFFFFFFFFF
25 #define HINIC_CMDQ_CTXT_EQ_ID_MASK 0x1F
26 #define HINIC_CMDQ_CTXT_CEQ_ARM_MASK 0x1
27 #define HINIC_CMDQ_CTXT_CEQ_EN_MASK 0x1
28 #define HINIC_CMDQ_CTXT_WRAPPED_MASK 0x1
29
30 #define HINIC_CMDQ_CTXT_PAGE_INFO_SET(val, member) \
31 (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \
32 << HINIC_CMDQ_CTXT_##member##_SHIFT)
33
34 #define HINIC_CMDQ_CTXT_PAGE_INFO_CLEAR(val, member) \
35 ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \
36 << HINIC_CMDQ_CTXT_##member##_SHIFT)))
37
38 #define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_SHIFT 0
39 #define HINIC_CMDQ_CTXT_CI_SHIFT 52
40
41 #define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_MASK 0xFFFFFFFFFFFFF
42 #define HINIC_CMDQ_CTXT_CI_MASK 0xFFF
43
44 #define HINIC_CMDQ_CTXT_BLOCK_INFO_SET(val, member) \
45 (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \
46 << HINIC_CMDQ_CTXT_##member##_SHIFT)
47
48 #define HINIC_CMDQ_CTXT_BLOCK_INFO_CLEAR(val, member) \
49 ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \
50 << HINIC_CMDQ_CTXT_##member##_SHIFT)))
51
52 #define HINIC_SAVED_DATA_ARM_SHIFT 31
53
54 #define HINIC_SAVED_DATA_ARM_MASK 0x1
55
56 #define HINIC_SAVED_DATA_SET(val, member) \
57 (((u32)(val) & HINIC_SAVED_DATA_##member##_MASK) \
58 << HINIC_SAVED_DATA_##member##_SHIFT)
59
60 #define HINIC_SAVED_DATA_GET(val, member) \
61 (((val) >> HINIC_SAVED_DATA_##member##_SHIFT) \
62 & HINIC_SAVED_DATA_##member##_MASK)
63
64 #define HINIC_SAVED_DATA_CLEAR(val, member) \
65 ((val) & (~(HINIC_SAVED_DATA_##member##_MASK \
66 << HINIC_SAVED_DATA_##member##_SHIFT)))
67
68 #define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_SHIFT 0
69 #define HINIC_CMDQ_DB_INFO_PATH_SHIFT 23
70 #define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_SHIFT 24
71 #define HINIC_CMDQ_DB_INFO_DB_TYPE_SHIFT 27
72
73 #define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_MASK 0xFF
74 #define HINIC_CMDQ_DB_INFO_PATH_MASK 0x1
75 #define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_MASK 0x7
76 #define HINIC_CMDQ_DB_INFO_DB_TYPE_MASK 0x1F
77
78 #define HINIC_CMDQ_DB_INFO_SET(val, member) \
79 (((u32)(val) & HINIC_CMDQ_DB_INFO_##member##_MASK) \
80 << HINIC_CMDQ_DB_INFO_##member##_SHIFT)
81
82 #define HINIC_CMDQ_BUF_SIZE 2048
83
84 #define HINIC_CMDQ_BUF_HW_RSVD 8
85 #define HINIC_CMDQ_MAX_DATA_SIZE (HINIC_CMDQ_BUF_SIZE - \
86 HINIC_CMDQ_BUF_HW_RSVD)
87
88 enum hinic_cmdq_type {
89 HINIC_CMDQ_SYNC,
90
91 HINIC_MAX_CMDQ_TYPES,
92 };
93
94 enum hinic_set_arm_qtype {
95 HINIC_SET_ARM_CMDQ,
96 };
97
98 enum hinic_cmd_ack_type {
99 HINIC_CMD_ACK_TYPE_CMDQ,
100 };
101
102 struct hinic_cmdq_buf {
103 void *buf;
104 dma_addr_t dma_addr;
105 size_t size;
106 };
107
108 struct hinic_cmdq_arm_bit {
109 u32 q_type;
110 u32 q_id;
111 };
112
113 struct hinic_cmdq_ctxt_info {
114 u64 curr_wqe_page_pfn;
115 u64 wq_block_pfn;
116 };
117
118 struct hinic_cmdq_ctxt {
119 u8 status;
120 u8 version;
121 u8 rsvd0[6];
122
123 u16 func_idx;
124 u8 cmdq_type;
125 u8 rsvd1[1];
126
127 u8 rsvd2[4];
128
129 struct hinic_cmdq_ctxt_info ctxt_info;
130 };
131
132 struct hinic_cmdq {
133 struct hinic_wq *wq;
134
135 enum hinic_cmdq_type cmdq_type;
136 int wrapped;
137
138
139 spinlock_t cmdq_lock;
140
141 struct completion **done;
142 int **errcode;
143
144
145 void __iomem *db_base;
146 };
147
148 struct hinic_cmdqs {
149 struct hinic_hwif *hwif;
150
151 struct dma_pool *cmdq_buf_pool;
152
153 struct hinic_wq *saved_wqs;
154
155 struct hinic_cmdq_pages cmdq_pages;
156
157 struct hinic_cmdq cmdq[HINIC_MAX_CMDQ_TYPES];
158 };
159
160 int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
161 struct hinic_cmdq_buf *cmdq_buf);
162
163 void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,
164 struct hinic_cmdq_buf *cmdq_buf);
165
166 int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs,
167 enum hinic_mod_type mod, u8 cmd,
168 struct hinic_cmdq_buf *buf_in, u64 *out_param);
169
170 int hinic_set_arm_bit(struct hinic_cmdqs *cmdqs,
171 enum hinic_set_arm_qtype q_type, u32 q_id);
172
173 int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
174 void __iomem **db_area);
175
176 void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs);
177
178 #endif