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16#ifndef HINIC_CMDQ_H
17#define HINIC_CMDQ_H
18
19#include <linux/types.h>
20#include <linux/spinlock.h>
21#include <linux/completion.h>
22#include <linux/pci.h>
23
24#include "hinic_hw_if.h"
25#include "hinic_hw_wq.h"
26
27#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_SHIFT 0
28#define HINIC_CMDQ_CTXT_EQ_ID_SHIFT 56
29#define HINIC_CMDQ_CTXT_CEQ_ARM_SHIFT 61
30#define HINIC_CMDQ_CTXT_CEQ_EN_SHIFT 62
31#define HINIC_CMDQ_CTXT_WRAPPED_SHIFT 63
32
33#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_MASK 0xFFFFFFFFFFFFF
34#define HINIC_CMDQ_CTXT_EQ_ID_MASK 0x1F
35#define HINIC_CMDQ_CTXT_CEQ_ARM_MASK 0x1
36#define HINIC_CMDQ_CTXT_CEQ_EN_MASK 0x1
37#define HINIC_CMDQ_CTXT_WRAPPED_MASK 0x1
38
39#define HINIC_CMDQ_CTXT_PAGE_INFO_SET(val, member) \
40 (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \
41 << HINIC_CMDQ_CTXT_##member##_SHIFT)
42
43#define HINIC_CMDQ_CTXT_PAGE_INFO_CLEAR(val, member) \
44 ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \
45 << HINIC_CMDQ_CTXT_##member##_SHIFT)))
46
47#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_SHIFT 0
48#define HINIC_CMDQ_CTXT_CI_SHIFT 52
49
50#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_MASK 0xFFFFFFFFFFFFF
51#define HINIC_CMDQ_CTXT_CI_MASK 0xFFF
52
53#define HINIC_CMDQ_CTXT_BLOCK_INFO_SET(val, member) \
54 (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \
55 << HINIC_CMDQ_CTXT_##member##_SHIFT)
56
57#define HINIC_CMDQ_CTXT_BLOCK_INFO_CLEAR(val, member) \
58 ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \
59 << HINIC_CMDQ_CTXT_##member##_SHIFT)))
60
61#define HINIC_SAVED_DATA_ARM_SHIFT 31
62
63#define HINIC_SAVED_DATA_ARM_MASK 0x1
64
65#define HINIC_SAVED_DATA_SET(val, member) \
66 (((u32)(val) & HINIC_SAVED_DATA_##member##_MASK) \
67 << HINIC_SAVED_DATA_##member##_SHIFT)
68
69#define HINIC_SAVED_DATA_GET(val, member) \
70 (((val) >> HINIC_SAVED_DATA_##member##_SHIFT) \
71 & HINIC_SAVED_DATA_##member##_MASK)
72
73#define HINIC_SAVED_DATA_CLEAR(val, member) \
74 ((val) & (~(HINIC_SAVED_DATA_##member##_MASK \
75 << HINIC_SAVED_DATA_##member##_SHIFT)))
76
77#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_SHIFT 0
78#define HINIC_CMDQ_DB_INFO_PATH_SHIFT 23
79#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_SHIFT 24
80#define HINIC_CMDQ_DB_INFO_DB_TYPE_SHIFT 27
81
82#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_MASK 0xFF
83#define HINIC_CMDQ_DB_INFO_PATH_MASK 0x1
84#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_MASK 0x7
85#define HINIC_CMDQ_DB_INFO_DB_TYPE_MASK 0x1F
86
87#define HINIC_CMDQ_DB_INFO_SET(val, member) \
88 (((u32)(val) & HINIC_CMDQ_DB_INFO_##member##_MASK) \
89 << HINIC_CMDQ_DB_INFO_##member##_SHIFT)
90
91#define HINIC_CMDQ_BUF_SIZE 2048
92
93#define HINIC_CMDQ_BUF_HW_RSVD 8
94#define HINIC_CMDQ_MAX_DATA_SIZE (HINIC_CMDQ_BUF_SIZE - \
95 HINIC_CMDQ_BUF_HW_RSVD)
96
97enum hinic_cmdq_type {
98 HINIC_CMDQ_SYNC,
99
100 HINIC_MAX_CMDQ_TYPES,
101};
102
103enum hinic_set_arm_qtype {
104 HINIC_SET_ARM_CMDQ,
105};
106
107enum hinic_cmd_ack_type {
108 HINIC_CMD_ACK_TYPE_CMDQ,
109};
110
111struct hinic_cmdq_buf {
112 void *buf;
113 dma_addr_t dma_addr;
114 size_t size;
115};
116
117struct hinic_cmdq_arm_bit {
118 u32 q_type;
119 u32 q_id;
120};
121
122struct hinic_cmdq_ctxt_info {
123 u64 curr_wqe_page_pfn;
124 u64 wq_block_pfn;
125};
126
127struct hinic_cmdq_ctxt {
128 u8 status;
129 u8 version;
130 u8 rsvd0[6];
131
132 u16 func_idx;
133 u8 cmdq_type;
134 u8 rsvd1[1];
135
136 u8 rsvd2[4];
137
138 struct hinic_cmdq_ctxt_info ctxt_info;
139};
140
141struct hinic_cmdq {
142 struct hinic_wq *wq;
143
144 enum hinic_cmdq_type cmdq_type;
145 int wrapped;
146
147
148 spinlock_t cmdq_lock;
149
150 struct completion **done;
151 int **errcode;
152
153
154 void __iomem *db_base;
155};
156
157struct hinic_cmdqs {
158 struct hinic_hwif *hwif;
159
160 struct dma_pool *cmdq_buf_pool;
161
162 struct hinic_wq *saved_wqs;
163
164 struct hinic_cmdq_pages cmdq_pages;
165
166 struct hinic_cmdq cmdq[HINIC_MAX_CMDQ_TYPES];
167};
168
169int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
170 struct hinic_cmdq_buf *cmdq_buf);
171
172void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,
173 struct hinic_cmdq_buf *cmdq_buf);
174
175int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs,
176 enum hinic_mod_type mod, u8 cmd,
177 struct hinic_cmdq_buf *buf_in, u64 *out_param);
178
179int hinic_set_arm_bit(struct hinic_cmdqs *cmdqs,
180 enum hinic_set_arm_qtype q_type, u32 q_id);
181
182int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
183 void __iomem **db_area);
184
185void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs);
186
187#endif
188
