1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * Copyright 2016-2018 HabanaLabs, Ltd.
4 * All Rights Reserved.
5 *
6 */
7
8#ifndef QMAN_IF_H
9#define QMAN_IF_H
10
11#include <linux/types.h>
12
13/*
14 * PRIMARY QUEUE
15 */
16
17struct hl_bd {
18 __le64 ptr;
19 __le32 len;
20 __le32 ctl;
21};
22
23#define HL_BD_SIZE sizeof(struct hl_bd)
24
25/*
26 * S/W CTL FIELDS.
27 *
28 * BD_CTL_REPEAT_VALID tells the CP whether the repeat field in the BD CTL is
29 * valid. 1 means the repeat field is valid, 0 means not-valid,
30 * i.e. repeat == 1
31 */
32#define BD_CTL_REPEAT_VALID_SHIFT 24
33#define BD_CTL_REPEAT_VALID_MASK 0x01000000
34
35#define BD_CTL_SHADOW_INDEX_SHIFT 0
36#define BD_CTL_SHADOW_INDEX_MASK 0x00000FFF
37
38/*
39 * H/W CTL FIELDS
40 */
41
42#define BD_CTL_COMP_OFFSET_SHIFT 16
43#define BD_CTL_COMP_OFFSET_MASK 0x0FFF0000
44
45#define BD_CTL_COMP_DATA_SHIFT 0
46#define BD_CTL_COMP_DATA_MASK 0x0000FFFF
47
48/*
49 * COMPLETION QUEUE
50 */
51
52struct hl_cq_entry {
53 __le32 data;
54};
55
56#define HL_CQ_ENTRY_SIZE sizeof(struct hl_cq_entry)
57
58#define CQ_ENTRY_READY_SHIFT 31
59#define CQ_ENTRY_READY_MASK 0x80000000
60
61#define CQ_ENTRY_SHADOW_INDEX_VALID_SHIFT 30
62#define CQ_ENTRY_SHADOW_INDEX_VALID_MASK 0x40000000
63
64#define CQ_ENTRY_SHADOW_INDEX_SHIFT BD_CTL_SHADOW_INDEX_SHIFT
65#define CQ_ENTRY_SHADOW_INDEX_MASK BD_CTL_SHADOW_INDEX_MASK
66
67
68#endif /* QMAN_IF_H */
69

source code of linux/drivers/accel/habanalabs/include/common/qman_if.h