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7#ifndef HINIC_HW_QP_H
8#define HINIC_HW_QP_H
9
10#include <linux/kernel.h>
11#include <linux/types.h>
12#include <linux/sizes.h>
13#include <linux/pci.h>
14#include <linux/skbuff.h>
15
16#include "hinic_common.h"
17#include "hinic_hw_if.h"
18#include "hinic_hw_wqe.h"
19#include "hinic_hw_wq.h"
20#include "hinic_hw_qp_ctxt.h"
21
22#define HINIC_SQ_DB_INFO_PI_HI_SHIFT 0
23#define HINIC_SQ_DB_INFO_QID_SHIFT 8
24#define HINIC_SQ_DB_INFO_PATH_SHIFT 23
25#define HINIC_SQ_DB_INFO_COS_SHIFT 24
26#define HINIC_SQ_DB_INFO_TYPE_SHIFT 27
27
28#define HINIC_SQ_DB_INFO_PI_HI_MASK 0xFF
29#define HINIC_SQ_DB_INFO_QID_MASK 0x3FF
30#define HINIC_SQ_DB_INFO_PATH_MASK 0x1
31#define HINIC_SQ_DB_INFO_COS_MASK 0x7
32#define HINIC_SQ_DB_INFO_TYPE_MASK 0x1F
33
34#define HINIC_SQ_DB_INFO_SET(val, member) \
35 (((u32)(val) & HINIC_SQ_DB_INFO_##member##_MASK) \
36 << HINIC_SQ_DB_INFO_##member##_SHIFT)
37
38#define HINIC_SQ_WQEBB_SIZE 64
39#define HINIC_RQ_WQEBB_SIZE 32
40
41#define HINIC_SQ_PAGE_SIZE SZ_256K
42#define HINIC_RQ_PAGE_SIZE SZ_256K
43
44#define HINIC_SQ_DEPTH SZ_4K
45#define HINIC_RQ_DEPTH SZ_4K
46
47#define HINIC_MAX_QUEUE_DEPTH SZ_4K
48#define HINIC_MIN_QUEUE_DEPTH 128
49
50
51#define HINIC_RX_BUF_SZ 2048
52#define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX
53
54#define HINIC_MIN_TX_WQE_SIZE(wq) \
55 ALIGN(HINIC_SQ_WQE_SIZE(1), (wq)->wqebb_size)
56
57#define HINIC_MIN_TX_NUM_WQEBBS(sq) \
58 (HINIC_MIN_TX_WQE_SIZE((sq)->wq) / (sq)->wq->wqebb_size)
59
60enum hinic_rx_buf_sz_idx {
61 HINIC_RX_BUF_SZ_32_IDX,
62 HINIC_RX_BUF_SZ_64_IDX,
63 HINIC_RX_BUF_SZ_96_IDX,
64 HINIC_RX_BUF_SZ_128_IDX,
65 HINIC_RX_BUF_SZ_192_IDX,
66 HINIC_RX_BUF_SZ_256_IDX,
67 HINIC_RX_BUF_SZ_384_IDX,
68 HINIC_RX_BUF_SZ_512_IDX,
69 HINIC_RX_BUF_SZ_768_IDX,
70 HINIC_RX_BUF_SZ_1024_IDX,
71 HINIC_RX_BUF_SZ_1536_IDX,
72 HINIC_RX_BUF_SZ_2048_IDX,
73 HINIC_RX_BUF_SZ_3072_IDX,
74 HINIC_RX_BUF_SZ_4096_IDX,
75 HINIC_RX_BUF_SZ_8192_IDX,
76 HINIC_RX_BUF_SZ_16384_IDX,
77};
78
79struct hinic_sq {
80 struct hinic_hwif *hwif;
81
82 struct hinic_wq *wq;
83
84 u16 qid;
85
86 u32 irq;
87 u16 msix_entry;
88
89 void *hw_ci_addr;
90 dma_addr_t hw_ci_dma_addr;
91
92 void __iomem *db_base;
93
94 struct sk_buff **saved_skb;
95 struct hinic_debug_priv *dbg;
96};
97
98struct hinic_rq {
99 struct hinic_hwif *hwif;
100
101 struct hinic_wq *wq;
102
103 u16 qid;
104
105 struct cpumask affinity_mask;
106 u32 irq;
107 u16 msix_entry;
108
109 size_t buf_sz;
110
111 struct sk_buff **saved_skb;
112
113 struct hinic_rq_cqe **cqe;
114 dma_addr_t *cqe_dma;
115
116 u16 *pi_virt_addr;
117 dma_addr_t pi_dma_addr;
118 struct hinic_debug_priv *dbg;
119};
120
121struct hinic_qp {
122 struct hinic_sq sq;
123 struct hinic_rq rq;
124
125 u16 q_id;
126};
127
128void hinic_qp_prepare_header(struct hinic_qp_ctxt_header *qp_ctxt_hdr,
129 enum hinic_qp_ctxt_type ctxt_type,
130 u16 num_queues, u16 max_queues);
131
132void hinic_sq_prepare_ctxt(struct hinic_sq_ctxt *sq_ctxt,
133 struct hinic_sq *sq, u16 global_qid);
134
135void hinic_rq_prepare_ctxt(struct hinic_rq_ctxt *rq_ctxt,
136 struct hinic_rq *rq, u16 global_qid);
137
138int hinic_init_sq(struct hinic_sq *sq, struct hinic_hwif *hwif,
139 struct hinic_wq *wq, struct msix_entry *entry, void *ci_addr,
140 dma_addr_t ci_dma_addr, void __iomem *db_base);
141
142void hinic_clean_sq(struct hinic_sq *sq);
143
144int hinic_init_rq(struct hinic_rq *rq, struct hinic_hwif *hwif,
145 struct hinic_wq *wq, struct msix_entry *entry);
146
147void hinic_clean_rq(struct hinic_rq *rq);
148
149int hinic_get_sq_free_wqebbs(struct hinic_sq *sq);
150
151int hinic_get_rq_free_wqebbs(struct hinic_rq *rq);
152
153void hinic_task_set_l2hdr(struct hinic_sq_task *task, u32 len);
154
155void hinic_task_set_outter_l3(struct hinic_sq_task *task,
156 enum hinic_l3_offload_type l3_type,
157 u32 network_len);
158
159void hinic_task_set_inner_l3(struct hinic_sq_task *task,
160 enum hinic_l3_offload_type l3_type,
161 u32 network_len);
162
163void hinic_task_set_tunnel_l4(struct hinic_sq_task *task,
164 enum hinic_l4_tunnel_type l4_type,
165 u32 tunnel_len);
166
167void hinic_set_cs_inner_l4(struct hinic_sq_task *task,
168 u32 *queue_info,
169 enum hinic_l4_offload_type l4_offload,
170 u32 l4_len, u32 offset);
171
172void hinic_set_tso_inner_l4(struct hinic_sq_task *task,
173 u32 *queue_info,
174 enum hinic_l4_offload_type l4_offload,
175 u32 l4_len,
176 u32 offset, u32 ip_ident, u32 mss);
177
178void hinic_sq_prepare_wqe(struct hinic_sq *sq, u16 prod_idx,
179 struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
180 int nr_sges);
181
182void hinic_sq_write_db(struct hinic_sq *sq, u16 prod_idx, unsigned int wqe_size,
183 unsigned int cos);
184
185struct hinic_sq_wqe *hinic_sq_get_wqe(struct hinic_sq *sq,
186 unsigned int wqe_size, u16 *prod_idx);
187
188void hinic_sq_return_wqe(struct hinic_sq *sq, unsigned int wqe_size);
189
190void hinic_sq_write_wqe(struct hinic_sq *sq, u16 prod_idx,
191 struct hinic_sq_wqe *wqe, struct sk_buff *skb,
192 unsigned int wqe_size);
193
194struct hinic_sq_wqe *hinic_sq_read_wqe(struct hinic_sq *sq,
195 struct sk_buff **skb,
196 unsigned int wqe_size, u16 *cons_idx);
197
198struct hinic_sq_wqe *hinic_sq_read_wqebb(struct hinic_sq *sq,
199 struct sk_buff **skb,
200 unsigned int *wqe_size, u16 *cons_idx);
201
202void hinic_sq_put_wqe(struct hinic_sq *sq, unsigned int wqe_size);
203
204void hinic_sq_get_sges(struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
205 int nr_sges);
206
207struct hinic_rq_wqe *hinic_rq_get_wqe(struct hinic_rq *rq,
208 unsigned int wqe_size, u16 *prod_idx);
209
210void hinic_rq_write_wqe(struct hinic_rq *rq, u16 prod_idx,
211 struct hinic_rq_wqe *wqe, struct sk_buff *skb);
212
213struct hinic_rq_wqe *hinic_rq_read_wqe(struct hinic_rq *rq,
214 unsigned int wqe_size,
215 struct sk_buff **skb, u16 *cons_idx);
216
217struct hinic_rq_wqe *hinic_rq_read_next_wqe(struct hinic_rq *rq,
218 unsigned int wqe_size,
219 struct sk_buff **skb,
220 u16 *cons_idx);
221
222void hinic_rq_put_wqe(struct hinic_rq *rq, u16 cons_idx,
223 unsigned int wqe_size);
224
225void hinic_rq_get_sge(struct hinic_rq *rq, struct hinic_rq_wqe *wqe,
226 u16 cons_idx, struct hinic_sge *sge);
227
228void hinic_rq_prepare_wqe(struct hinic_rq *rq, u16 prod_idx,
229 struct hinic_rq_wqe *wqe, struct hinic_sge *sge);
230
231void hinic_rq_update(struct hinic_rq *rq, u16 prod_idx);
232
233#endif
234
