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7#ifndef HINIC_HW_EQS_H
8#define HINIC_HW_EQS_H
9
10#include <linux/types.h>
11#include <linux/workqueue.h>
12#include <linux/pci.h>
13#include <linux/sizes.h>
14#include <linux/bitops.h>
15#include <linux/interrupt.h>
16
17#include "hinic_hw_if.h"
18
19#define HINIC_AEQ_CTRL_0_INT_IDX_SHIFT 0
20#define HINIC_AEQ_CTRL_0_DMA_ATTR_SHIFT 12
21#define HINIC_AEQ_CTRL_0_PCI_INTF_IDX_SHIFT 20
22#define HINIC_AEQ_CTRL_0_INT_MODE_SHIFT 31
23
24#define HINIC_AEQ_CTRL_0_INT_IDX_MASK 0x3FF
25#define HINIC_AEQ_CTRL_0_DMA_ATTR_MASK 0x3F
26#define HINIC_AEQ_CTRL_0_PCI_INTF_IDX_MASK 0x3
27#define HINIC_AEQ_CTRL_0_INT_MODE_MASK 0x1
28
29#define HINIC_AEQ_CTRL_0_SET(val, member) \
30 (((u32)(val) & HINIC_AEQ_CTRL_0_##member##_MASK) << \
31 HINIC_AEQ_CTRL_0_##member##_SHIFT)
32
33#define HINIC_AEQ_CTRL_0_CLEAR(val, member) \
34 ((val) & (~(HINIC_AEQ_CTRL_0_##member##_MASK \
35 << HINIC_AEQ_CTRL_0_##member##_SHIFT)))
36
37#define HINIC_AEQ_CTRL_1_LEN_SHIFT 0
38#define HINIC_AEQ_CTRL_1_ELEM_SIZE_SHIFT 24
39#define HINIC_AEQ_CTRL_1_PAGE_SIZE_SHIFT 28
40
41#define HINIC_AEQ_CTRL_1_LEN_MASK 0x1FFFFF
42#define HINIC_AEQ_CTRL_1_ELEM_SIZE_MASK 0x3
43#define HINIC_AEQ_CTRL_1_PAGE_SIZE_MASK 0xF
44
45#define HINIC_AEQ_CTRL_1_SET(val, member) \
46 (((u32)(val) & HINIC_AEQ_CTRL_1_##member##_MASK) << \
47 HINIC_AEQ_CTRL_1_##member##_SHIFT)
48
49#define HINIC_AEQ_CTRL_1_CLEAR(val, member) \
50 ((val) & (~(HINIC_AEQ_CTRL_1_##member##_MASK \
51 << HINIC_AEQ_CTRL_1_##member##_SHIFT)))
52
53#define HINIC_CEQ_CTRL_0_INTR_IDX_SHIFT 0
54#define HINIC_CEQ_CTRL_0_DMA_ATTR_SHIFT 12
55#define HINIC_CEQ_CTRL_0_KICK_THRESH_SHIFT 20
56#define HINIC_CEQ_CTRL_0_PCI_INTF_IDX_SHIFT 24
57#define HINIC_CEQ_CTRL_0_INTR_MODE_SHIFT 31
58
59#define HINIC_CEQ_CTRL_0_INTR_IDX_MASK 0x3FF
60#define HINIC_CEQ_CTRL_0_DMA_ATTR_MASK 0x3F
61#define HINIC_CEQ_CTRL_0_KICK_THRESH_MASK 0xF
62#define HINIC_CEQ_CTRL_0_PCI_INTF_IDX_MASK 0x3
63#define HINIC_CEQ_CTRL_0_INTR_MODE_MASK 0x1
64
65#define HINIC_CEQ_CTRL_0_SET(val, member) \
66 (((u32)(val) & HINIC_CEQ_CTRL_0_##member##_MASK) << \
67 HINIC_CEQ_CTRL_0_##member##_SHIFT)
68
69#define HINIC_CEQ_CTRL_0_CLEAR(val, member) \
70 ((val) & (~(HINIC_CEQ_CTRL_0_##member##_MASK \
71 << HINIC_CEQ_CTRL_0_##member##_SHIFT)))
72
73#define HINIC_CEQ_CTRL_1_LEN_SHIFT 0
74#define HINIC_CEQ_CTRL_1_PAGE_SIZE_SHIFT 28
75
76#define HINIC_CEQ_CTRL_1_LEN_MASK 0x1FFFFF
77#define HINIC_CEQ_CTRL_1_PAGE_SIZE_MASK 0xF
78
79#define HINIC_CEQ_CTRL_1_SET(val, member) \
80 (((u32)(val) & HINIC_CEQ_CTRL_1_##member##_MASK) << \
81 HINIC_CEQ_CTRL_1_##member##_SHIFT)
82
83#define HINIC_CEQ_CTRL_1_CLEAR(val, member) \
84 ((val) & (~(HINIC_CEQ_CTRL_1_##member##_MASK \
85 << HINIC_CEQ_CTRL_1_##member##_SHIFT)))
86
87#define HINIC_EQ_ELEM_DESC_TYPE_SHIFT 0
88#define HINIC_EQ_ELEM_DESC_SRC_SHIFT 7
89#define HINIC_EQ_ELEM_DESC_SIZE_SHIFT 8
90#define HINIC_EQ_ELEM_DESC_WRAPPED_SHIFT 31
91
92#define HINIC_EQ_ELEM_DESC_TYPE_MASK 0x7F
93#define HINIC_EQ_ELEM_DESC_SRC_MASK 0x1
94#define HINIC_EQ_ELEM_DESC_SIZE_MASK 0xFF
95#define HINIC_EQ_ELEM_DESC_WRAPPED_MASK 0x1
96
97#define HINIC_EQ_ELEM_DESC_SET(val, member) \
98 (((u32)(val) & HINIC_EQ_ELEM_DESC_##member##_MASK) << \
99 HINIC_EQ_ELEM_DESC_##member##_SHIFT)
100
101#define HINIC_EQ_ELEM_DESC_GET(val, member) \
102 (((val) >> HINIC_EQ_ELEM_DESC_##member##_SHIFT) & \
103 HINIC_EQ_ELEM_DESC_##member##_MASK)
104
105#define HINIC_EQ_CI_IDX_SHIFT 0
106#define HINIC_EQ_CI_WRAPPED_SHIFT 20
107#define HINIC_EQ_CI_XOR_CHKSUM_SHIFT 24
108#define HINIC_EQ_CI_INT_ARMED_SHIFT 31
109
110#define HINIC_EQ_CI_IDX_MASK 0xFFFFF
111#define HINIC_EQ_CI_WRAPPED_MASK 0x1
112#define HINIC_EQ_CI_XOR_CHKSUM_MASK 0xF
113#define HINIC_EQ_CI_INT_ARMED_MASK 0x1
114
115#define HINIC_EQ_CI_SET(val, member) \
116 (((u32)(val) & HINIC_EQ_CI_##member##_MASK) << \
117 HINIC_EQ_CI_##member##_SHIFT)
118
119#define HINIC_EQ_CI_CLEAR(val, member) \
120 ((val) & (~(HINIC_EQ_CI_##member##_MASK \
121 << HINIC_EQ_CI_##member##_SHIFT)))
122
123#define HINIC_MAX_AEQS 4
124#define HINIC_MAX_CEQS 32
125
126#define HINIC_AEQE_SIZE 64
127#define HINIC_CEQE_SIZE 4
128
129#define HINIC_AEQE_DESC_SIZE 4
130#define HINIC_AEQE_DATA_SIZE \
131 (HINIC_AEQE_SIZE - HINIC_AEQE_DESC_SIZE)
132
133#define HINIC_DEFAULT_AEQ_LEN 64
134#define HINIC_DEFAULT_CEQ_LEN 1024
135
136#define HINIC_EQ_PAGE_SIZE SZ_4K
137
138#define HINIC_CEQ_ID_CMDQ 0
139
140enum hinic_eq_type {
141 HINIC_AEQ,
142 HINIC_CEQ,
143};
144
145enum hinic_aeq_type {
146 HINIC_MSG_FROM_MGMT_CPU = 2,
147
148 HINIC_MAX_AEQ_EVENTS,
149};
150
151enum hinic_ceq_type {
152 HINIC_CEQ_CMDQ = 3,
153
154 HINIC_MAX_CEQ_EVENTS,
155};
156
157enum hinic_eqe_state {
158 HINIC_EQE_ENABLED = BIT(0),
159 HINIC_EQE_RUNNING = BIT(1),
160};
161
162struct hinic_aeq_elem {
163 u8 data[HINIC_AEQE_DATA_SIZE];
164 u32 desc;
165};
166
167struct hinic_eq_work {
168 struct work_struct work;
169 void *data;
170};
171
172struct hinic_eq {
173 struct hinic_hwif *hwif;
174
175 enum hinic_eq_type type;
176 int q_id;
177 u32 q_len;
178 u32 page_size;
179
180 u32 cons_idx;
181 int wrapped;
182
183 size_t elem_size;
184 int num_pages;
185 int num_elem_in_pg;
186
187 struct msix_entry msix_entry;
188
189 dma_addr_t *dma_addr;
190 void **virt_addr;
191
192 struct hinic_eq_work aeq_work;
193
194 struct tasklet_struct ceq_tasklet;
195};
196
197struct hinic_hw_event_cb {
198 void (*hwe_handler)(void *handle, void *data, u8 size);
199 void *handle;
200 unsigned long hwe_state;
201};
202
203struct hinic_aeqs {
204 struct hinic_hwif *hwif;
205
206 struct hinic_eq aeq[HINIC_MAX_AEQS];
207 int num_aeqs;
208
209 struct hinic_hw_event_cb hwe_cb[HINIC_MAX_AEQ_EVENTS];
210
211 struct workqueue_struct *workq;
212};
213
214struct hinic_ceq_cb {
215 void (*handler)(void *handle, u32 ceqe_data);
216 void *handle;
217 enum hinic_eqe_state ceqe_state;
218};
219
220struct hinic_ceqs {
221 struct hinic_hwif *hwif;
222
223 struct hinic_eq ceq[HINIC_MAX_CEQS];
224 int num_ceqs;
225
226 struct hinic_ceq_cb ceq_cb[HINIC_MAX_CEQ_EVENTS];
227};
228
229void hinic_aeq_register_hw_cb(struct hinic_aeqs *aeqs,
230 enum hinic_aeq_type event, void *handle,
231 void (*hwe_handler)(void *handle, void *data,
232 u8 size));
233
234void hinic_aeq_unregister_hw_cb(struct hinic_aeqs *aeqs,
235 enum hinic_aeq_type event);
236
237void hinic_ceq_register_cb(struct hinic_ceqs *ceqs,
238 enum hinic_ceq_type event, void *handle,
239 void (*ceq_cb)(void *handle, u32 ceqe_data));
240
241void hinic_ceq_unregister_cb(struct hinic_ceqs *ceqs,
242 enum hinic_ceq_type event);
243
244int hinic_aeqs_init(struct hinic_aeqs *aeqs, struct hinic_hwif *hwif,
245 int num_aeqs, u32 q_len, u32 page_size,
246 struct msix_entry *msix_entries);
247
248void hinic_aeqs_free(struct hinic_aeqs *aeqs);
249
250int hinic_ceqs_init(struct hinic_ceqs *ceqs, struct hinic_hwif *hwif,
251 int num_ceqs, u32 q_len, u32 page_size,
252 struct msix_entry *msix_entries);
253
254void hinic_ceqs_free(struct hinic_ceqs *ceqs);
255
256#endif
257
