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16#ifndef HINIC_HW_QP_H
17#define HINIC_HW_QP_H
18
19#include <linux/kernel.h>
20#include <linux/types.h>
21#include <linux/sizes.h>
22#include <linux/pci.h>
23#include <linux/skbuff.h>
24
25#include "hinic_common.h"
26#include "hinic_hw_if.h"
27#include "hinic_hw_wqe.h"
28#include "hinic_hw_wq.h"
29#include "hinic_hw_qp_ctxt.h"
30
31#define HINIC_SQ_DB_INFO_PI_HI_SHIFT 0
32#define HINIC_SQ_DB_INFO_QID_SHIFT 8
33#define HINIC_SQ_DB_INFO_PATH_SHIFT 23
34#define HINIC_SQ_DB_INFO_COS_SHIFT 24
35#define HINIC_SQ_DB_INFO_TYPE_SHIFT 27
36
37#define HINIC_SQ_DB_INFO_PI_HI_MASK 0xFF
38#define HINIC_SQ_DB_INFO_QID_MASK 0x3FF
39#define HINIC_SQ_DB_INFO_PATH_MASK 0x1
40#define HINIC_SQ_DB_INFO_COS_MASK 0x7
41#define HINIC_SQ_DB_INFO_TYPE_MASK 0x1F
42
43#define HINIC_SQ_DB_INFO_SET(val, member) \
44 (((u32)(val) & HINIC_SQ_DB_INFO_##member##_MASK) \
45 << HINIC_SQ_DB_INFO_##member##_SHIFT)
46
47#define HINIC_SQ_WQEBB_SIZE 64
48#define HINIC_RQ_WQEBB_SIZE 32
49
50#define HINIC_SQ_PAGE_SIZE SZ_4K
51#define HINIC_RQ_PAGE_SIZE SZ_4K
52
53#define HINIC_SQ_DEPTH SZ_4K
54#define HINIC_RQ_DEPTH SZ_4K
55
56
57#define HINIC_RX_BUF_SZ 2048
58#define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX
59
60#define HINIC_MIN_TX_WQE_SIZE(wq) \
61 ALIGN(HINIC_SQ_WQE_SIZE(1), (wq)->wqebb_size)
62
63#define HINIC_MIN_TX_NUM_WQEBBS(sq) \
64 (HINIC_MIN_TX_WQE_SIZE((sq)->wq) / (sq)->wq->wqebb_size)
65
66enum hinic_rx_buf_sz_idx {
67 HINIC_RX_BUF_SZ_32_IDX,
68 HINIC_RX_BUF_SZ_64_IDX,
69 HINIC_RX_BUF_SZ_96_IDX,
70 HINIC_RX_BUF_SZ_128_IDX,
71 HINIC_RX_BUF_SZ_192_IDX,
72 HINIC_RX_BUF_SZ_256_IDX,
73 HINIC_RX_BUF_SZ_384_IDX,
74 HINIC_RX_BUF_SZ_512_IDX,
75 HINIC_RX_BUF_SZ_768_IDX,
76 HINIC_RX_BUF_SZ_1024_IDX,
77 HINIC_RX_BUF_SZ_1536_IDX,
78 HINIC_RX_BUF_SZ_2048_IDX,
79 HINIC_RX_BUF_SZ_3072_IDX,
80 HINIC_RX_BUF_SZ_4096_IDX,
81 HINIC_RX_BUF_SZ_8192_IDX,
82 HINIC_RX_BUF_SZ_16384_IDX,
83};
84
85struct hinic_sq {
86 struct hinic_hwif *hwif;
87
88 struct hinic_wq *wq;
89
90 u32 irq;
91 u16 msix_entry;
92
93 void *hw_ci_addr;
94 dma_addr_t hw_ci_dma_addr;
95
96 void __iomem *db_base;
97
98 struct sk_buff **saved_skb;
99};
100
101struct hinic_rq {
102 struct hinic_hwif *hwif;
103
104 struct hinic_wq *wq;
105
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};
119
120struct hinic_qp {
121 struct hinic_sq sq;
122 struct hinic_rq rq;
123
124 u16 q_id;
125};
126
127void hinic_qp_prepare_header(struct hinic_qp_ctxt_header *qp_ctxt_hdr,
128 enum hinic_qp_ctxt_type ctxt_type,
129 u16 num_queues, u16 max_queues);
130
131void hinic_sq_prepare_ctxt(struct hinic_sq_ctxt *sq_ctxt,
132 struct hinic_sq *sq, u16 global_qid);
133
134void hinic_rq_prepare_ctxt(struct hinic_rq_ctxt *rq_ctxt,
135 struct hinic_rq *rq, u16 global_qid);
136
137int hinic_init_sq(struct hinic_sq *sq, struct hinic_hwif *hwif,
138 struct hinic_wq *wq, struct msix_entry *entry, void *ci_addr,
139 dma_addr_t ci_dma_addr, void __iomem *db_base);
140
141void hinic_clean_sq(struct hinic_sq *sq);
142
143int hinic_init_rq(struct hinic_rq *rq, struct hinic_hwif *hwif,
144 struct hinic_wq *wq, struct msix_entry *entry);
145
146void hinic_clean_rq(struct hinic_rq *rq);
147
148int hinic_get_sq_free_wqebbs(struct hinic_sq *sq);
149
150int hinic_get_rq_free_wqebbs(struct hinic_rq *rq);
151
152void hinic_sq_prepare_wqe(struct hinic_sq *sq, u16 prod_idx,
153 struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
154 int nr_sges);
155
156void hinic_sq_write_db(struct hinic_sq *sq, u16 prod_idx, unsigned int wqe_size,
157 unsigned int cos);
158
159struct hinic_sq_wqe *hinic_sq_get_wqe(struct hinic_sq *sq,
160 unsigned int wqe_size, u16 *prod_idx);
161
162void hinic_sq_write_wqe(struct hinic_sq *sq, u16 prod_idx,
163 struct hinic_sq_wqe *wqe, struct sk_buff *skb,
164 unsigned int wqe_size);
165
166struct hinic_sq_wqe *hinic_sq_read_wqe(struct hinic_sq *sq,
167 struct sk_buff **skb,
168 unsigned int *wqe_size, u16 *cons_idx);
169
170void hinic_sq_put_wqe(struct hinic_sq *sq, unsigned int wqe_size);
171
172void hinic_sq_get_sges(struct hinic_sq_wqe *wqe, struct hinic_sge *sges,
173 int nr_sges);
174
175struct hinic_rq_wqe *hinic_rq_get_wqe(struct hinic_rq *rq,
176 unsigned int wqe_size, u16 *prod_idx);
177
178void hinic_rq_write_wqe(struct hinic_rq *rq, u16 prod_idx,
179 struct hinic_rq_wqe *wqe, struct sk_buff *skb);
180
181struct hinic_rq_wqe *hinic_rq_read_wqe(struct hinic_rq *rq,
182 unsigned int wqe_size,
183 struct sk_buff **skb, u16 *cons_idx);
184
185struct hinic_rq_wqe *hinic_rq_read_next_wqe(struct hinic_rq *rq,
186 unsigned int wqe_size,
187 struct sk_buff **skb,
188 u16 *cons_idx);
189
190void hinic_rq_put_wqe(struct hinic_rq *rq, u16 cons_idx,
191 unsigned int wqe_size);
192
193void hinic_rq_get_sge(struct hinic_rq *rq, struct hinic_rq_wqe *wqe,
194 u16 cons_idx, struct hinic_sge *sge);
195
196void hinic_rq_prepare_wqe(struct hinic_rq *rq, u16 prod_idx,
197 struct hinic_rq_wqe *wqe, struct hinic_sge *sge);
198
199void hinic_rq_update(struct hinic_rq *rq, u16 prod_idx);
200
201#endif
202
