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 
17 struct 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 
52 struct 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