1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Huawei HiNIC PCI Express Linux driver
* Copyright(c) 2017 Huawei Technologies Co., Ltd
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
*/
#ifndef HINIC_HW_QP_H
#define HINIC_HW_QP_H
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/sizes.h>
#include <linux/pci.h>
#include <linux/skbuff.h>
#include "hinic_common.h"
#include "hinic_hw_if.h"
#include "hinic_hw_wqe.h"
#include "hinic_hw_wq.h"
#include "hinic_hw_qp_ctxt.h"
#define HINIC_SQ_DB_INFO_PI_HI_SHIFT 0
#define HINIC_SQ_DB_INFO_QID_SHIFT 8
#define HINIC_SQ_DB_INFO_PATH_SHIFT 23
#define HINIC_SQ_DB_INFO_COS_SHIFT 24
#define HINIC_SQ_DB_INFO_TYPE_SHIFT 27
#define HINIC_SQ_DB_INFO_PI_HI_MASK 0xFF
#define HINIC_SQ_DB_INFO_QID_MASK 0x3FF
#define HINIC_SQ_DB_INFO_PATH_MASK 0x1
#define HINIC_SQ_DB_INFO_COS_MASK 0x7
#define HINIC_SQ_DB_INFO_TYPE_MASK 0x1F
#define HINIC_SQ_DB_INFO_SET(val, member) \
(((u32)(val) & HINIC_SQ_DB_INFO_##member##_MASK) \
<< HINIC_SQ_DB_INFO_##member##_SHIFT)
#define HINIC_SQ_WQEBB_SIZE 64
#define HINIC_RQ_WQEBB_SIZE 32
#define HINIC_SQ_PAGE_SIZE SZ_4K
#define HINIC_RQ_PAGE_SIZE SZ_4K
#define HINIC_SQ_DEPTH SZ_4K
#define HINIC_RQ_DEPTH SZ_4K
/* In any change to HINIC_RX_BUF_SZ, HINIC_RX_BUF_SZ_IDX must be changed */
#define HINIC_RX_BUF_SZ 2048
#define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX
#define HINIC_MIN_TX_WQE_SIZE(wq) \
ALIGN(HINIC_SQ_WQE_SIZE(1), (wq)->wqebb_size)
#define HINIC_MIN_TX_NUM_WQEBBS(sq) \
(HINIC_MIN_TX_WQE_SIZE((sq)->wq) / (sq)->wq->wqebb_size)
enum hinic_rx_buf_sz_idx {
HINIC_RX_BUF_SZ_32_IDX,
HINIC_RX_BUF_SZ_64_IDX,
HINIC_RX_BUF_SZ_96_IDX,
HINIC_RX_BUF_SZ_128_IDX,
HINIC_RX_BUF_SZ_192_IDX,
HINIC_RX_BUF_SZ_256_IDX,
HINIC_RX_BUF_SZ_384_IDX,
HINIC_RX_BUF_SZ_512_IDX,
HINIC_RX_BUF_SZ_768_IDX,
HINIC_RX_BUF_SZ_1024_IDX,
HINIC_RX_BUF_SZ_1536_IDX,
HINIC_RX_BUF_SZ_2048_IDX,
HINIC_RX_BUF_SZ_3072_IDX,
HINIC_RX_BUF_SZ_4096_IDX,
HINIC_RX_BUF_SZ_8192_IDX,
HINIC_RX_BUF_SZ_16384_IDX,
};
struct hinic_sq {
struct hinic_hwif *hwif;
struct hinic_wq *wq;
u32 irq;
u16 msix_entry;
void *hw_ci_addr;
dma_addr_t hw_ci_dma_addr;
void __iomem *db_base;
struct sk_buff **saved_skb;
};
struct hinic_rq {
struct hinic_hwif *hwif;
struct hinic_wq *wq;
u32 irq;
u16 msix_entry;
size_t buf_sz;
struct sk_buff **saved_skb;
struct hinic_rq_cqe **cqe;
dma_addr_t *cqe_dma;
u16 *pi_virt_addr;
dma_addr_t pi_dma_addr;
};
struct hinic_qp {
struct hinic_sq sq;
struct hinic_rq rq;
u16 q_id;
};
void hinic_qp_prepare_header(struct hinic_qp_ctxt_header *qp_ctxt_hdr,
enum hinic_qp_ctxt_type ctxt_type,
u16 num_queues, u16 max_queues);
void hinic_sq_prepare_ctxt(struct hinic_sq_ctxt *sq_ctxt,
struct hinic_sq *sq, u16 global_qid);
void hinic_rq_prepare_ctxt(struct hinic_rq_ctxt *rq_ctxt,
struct hinic_rq *rq, u16 global_qid);
int hinic_init_sq(struct hinic_sq *sq, struct hinic_hwif *hwif,
struct hinic_wq *wq, struct msix_entry *entry, void *ci_addr,
dma_addr_t ci_dma_addr, void __iomem *db_base);
void hinic_clean_sq(struct hinic_sq *sq);
int hinic_init_rq(struct hinic_rq *rq, struct hinic_hwif *hwif,
struct hinic_wq *wq, struct msix_entry *entry);
void hinic_clean_rq(struct hinic_rq *rq);
int hinic_get_sq_free_wqebbs(struct hinic_sq *sq);
int hinic_get_rq_free_wqebbs(struct hinic_rq *rq);
void hinic_sq_prepare_wqe(struct hinic_sq *sq, u16 prod_idx,
struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
int nr_sges);
void hinic_sq_write_db(struct hinic_sq *sq, u16 prod_idx, unsigned int wqe_size,
unsigned int cos);
struct hinic_sq_wqe *hinic_sq_get_wqe(struct hinic_sq *sq,
unsigned int wqe_size, u16 *prod_idx);
void hinic_sq_write_wqe(struct hinic_sq *sq, u16 prod_idx,
struct hinic_sq_wqe *wqe, struct sk_buff *skb,
unsigned int wqe_size);
struct hinic_sq_wqe *hinic_sq_read_wqe(struct hinic_sq *sq,
struct sk_buff **skb,
unsigned int *wqe_size, u16 *cons_idx);
void hinic_sq_put_wqe(struct hinic_sq *sq, unsigned int wqe_size);
void hinic_sq_get_sges(struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
int nr_sges);
struct hinic_rq_wqe *hinic_rq_get_wqe(struct hinic_rq *rq,
unsigned int wqe_size, u16 *prod_idx);
void hinic_rq_write_wqe(struct hinic_rq *rq, u16 prod_idx,
struct hinic_rq_wqe *wqe, struct sk_buff *skb);
struct hinic_rq_wqe *hinic_rq_read_wqe(struct hinic_rq *rq,
unsigned int wqe_size,
struct sk_buff **skb, u16 *cons_idx);
struct hinic_rq_wqe *hinic_rq_read_next_wqe(struct hinic_rq *rq,
unsigned int wqe_size,
struct sk_buff **skb,
u16 *cons_idx);
void hinic_rq_put_wqe(struct hinic_rq *rq, u16 cons_idx,
unsigned int wqe_size);
void hinic_rq_get_sge(struct hinic_rq *rq, struct hinic_rq_wqe *wqe,
u16 cons_idx, struct hinic_sge *sge);
void hinic_rq_prepare_wqe(struct hinic_rq *rq, u16 prod_idx,
struct hinic_rq_wqe *wqe, struct hinic_sge *sge);
void hinic_rq_update(struct hinic_rq *rq, u16 prod_idx);
#endif
|
