erdma.h (f0697bf078368d765b9e9ceef1dac0d5eb69b4b6) erdma.h (fdb09ed15f272adb7c0403f7a6f9b4db3959284d)
1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2
3/* Authors: Cheng Xu <chengyou@linux.alibaba.com> */
4/* Kai Shen <kaishen@linux.alibaba.com> */
5/* Copyright (c) 2020-2022, Alibaba Group. */
6
7#ifndef __ERDMA_H__
8#define __ERDMA_H__

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28
29 u16 ci;
30 u16 rsvd;
31
32 atomic64_t event_num;
33 atomic64_t notify_num;
34
35 void __iomem *db;
1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2
3/* Authors: Cheng Xu <chengyou@linux.alibaba.com> */
4/* Kai Shen <kaishen@linux.alibaba.com> */
5/* Copyright (c) 2020-2022, Alibaba Group. */
6
7#ifndef __ERDMA_H__
8#define __ERDMA_H__

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28
29 u16 ci;
30 u16 rsvd;
31
32 atomic64_t event_num;
33 atomic64_t notify_num;
34
35 void __iomem *db;
36 u64 *db_record;
37 dma_addr_t db_record_dma_addr;
36 u64 *dbrec;
37 dma_addr_t dbrec_dma;
38};
39
40struct erdma_cmdq_sq {
41 void *qbuf;
42 dma_addr_t qbuf_dma_addr;
43
44 spinlock_t lock;
45
46 u32 depth;
47 u16 ci;
48 u16 pi;
49
50 u16 wqebb_cnt;
51
38};
39
40struct erdma_cmdq_sq {
41 void *qbuf;
42 dma_addr_t qbuf_dma_addr;
43
44 spinlock_t lock;
45
46 u32 depth;
47 u16 ci;
48 u16 pi;
49
50 u16 wqebb_cnt;
51
52 u64 *db_record;
53 dma_addr_t db_record_dma_addr;
52 u64 *dbrec;
53 dma_addr_t dbrec_dma;
54};
55
56struct erdma_cmdq_cq {
57 void *qbuf;
58 dma_addr_t qbuf_dma_addr;
59
60 spinlock_t lock;
61
62 u32 depth;
63 u32 ci;
64 u32 cmdsn;
65
54};
55
56struct erdma_cmdq_cq {
57 void *qbuf;
58 dma_addr_t qbuf_dma_addr;
59
60 spinlock_t lock;
61
62 u32 depth;
63 u32 ci;
64 u32 cmdsn;
65
66 u64 *db_record;
67 dma_addr_t db_record_dma_addr;
66 u64 *dbrec;
67 dma_addr_t dbrec_dma;
68
69 atomic64_t armed_num;
70};
71
72enum {
73 ERDMA_CMD_STATUS_INIT,
74 ERDMA_CMD_STATUS_ISSUED,
75 ERDMA_CMD_STATUS_FINISHED,

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69 atomic64_t armed_num;
70};
71
72enum {
73 ERDMA_CMD_STATUS_INIT,
74 ERDMA_CMD_STATUS_ISSUED,
75 ERDMA_CMD_STATUS_FINISHED,

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