1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2/*
3 * Copyright 2013-2016 Freescale Semiconductor Inc.
4 * Copyright 2017-2018 NXP
5 */
6
7#ifndef _DPSECI_CMD_H_
8#define _DPSECI_CMD_H_
9
10/* DPSECI Version */
11#define DPSECI_VER_MAJOR 5
12#define DPSECI_VER_MINOR 3
13
14#define DPSECI_VER(maj, min) (((maj) << 16) | (min))
15#define DPSECI_VERSION DPSECI_VER(DPSECI_VER_MAJOR, DPSECI_VER_MINOR)
16
17/* Command versioning */
18#define DPSECI_CMD_BASE_VERSION 1
19#define DPSECI_CMD_BASE_VERSION_V2 2
20#define DPSECI_CMD_ID_OFFSET 4
21
22#define DPSECI_CMD_V1(id) (((id) << DPSECI_CMD_ID_OFFSET) | \
23 DPSECI_CMD_BASE_VERSION)
24
25#define DPSECI_CMD_V2(id) (((id) << DPSECI_CMD_ID_OFFSET) | \
26 DPSECI_CMD_BASE_VERSION_V2)
27
28/* Command IDs */
29#define DPSECI_CMDID_CLOSE DPSECI_CMD_V1(0x800)
30#define DPSECI_CMDID_OPEN DPSECI_CMD_V1(0x809)
31#define DPSECI_CMDID_GET_API_VERSION DPSECI_CMD_V1(0xa09)
32
33#define DPSECI_CMDID_ENABLE DPSECI_CMD_V1(0x002)
34#define DPSECI_CMDID_DISABLE DPSECI_CMD_V1(0x003)
35#define DPSECI_CMDID_GET_ATTR DPSECI_CMD_V1(0x004)
36#define DPSECI_CMDID_RESET DPSECI_CMD_V1(0x005)
37#define DPSECI_CMDID_IS_ENABLED DPSECI_CMD_V1(0x006)
38
39#define DPSECI_CMDID_SET_RX_QUEUE DPSECI_CMD_V1(0x194)
40#define DPSECI_CMDID_GET_RX_QUEUE DPSECI_CMD_V1(0x196)
41#define DPSECI_CMDID_GET_TX_QUEUE DPSECI_CMD_V1(0x197)
42#define DPSECI_CMDID_GET_SEC_ATTR DPSECI_CMD_V2(0x198)
43#define DPSECI_CMDID_SET_CONGESTION_NOTIFICATION DPSECI_CMD_V1(0x170)
44#define DPSECI_CMDID_GET_CONGESTION_NOTIFICATION DPSECI_CMD_V1(0x171)
45
46/* Macros for accessing command fields smaller than 1 byte */
47#define DPSECI_MASK(field) \
48 GENMASK(DPSECI_##field##_SHIFT + DPSECI_##field##_SIZE - 1, \
49 DPSECI_##field##_SHIFT)
50
51#define dpseci_set_field(var, field, val) \
52 ((var) |= (((val) << DPSECI_##field##_SHIFT) & DPSECI_MASK(field)))
53
54#define dpseci_get_field(var, field) \
55 (((var) & DPSECI_MASK(field)) >> DPSECI_##field##_SHIFT)
56
57struct dpseci_cmd_open {
58 __le32 dpseci_id;
59};
60
61#define DPSECI_ENABLE_SHIFT 0
62#define DPSECI_ENABLE_SIZE 1
63
64struct dpseci_rsp_is_enabled {
65 u8 is_enabled;
66};
67
68struct dpseci_rsp_get_attributes {
69 __le32 id;
70 __le32 pad0;
71 u8 num_tx_queues;
72 u8 num_rx_queues;
73 u8 pad1[6];
74 __le32 options;
75};
76
77#define DPSECI_DEST_TYPE_SHIFT 0
78#define DPSECI_DEST_TYPE_SIZE 4
79
80#define DPSECI_ORDER_PRESERVATION_SHIFT 0
81#define DPSECI_ORDER_PRESERVATION_SIZE 1
82
83struct dpseci_cmd_queue {
84 __le32 dest_id;
85 u8 priority;
86 u8 queue;
87 u8 dest_type;
88 u8 pad;
89 __le64 user_ctx;
90 union {
91 __le32 options;
92 __le32 fqid;
93 };
94 u8 order_preservation_en;
95};
96
97struct dpseci_rsp_get_tx_queue {
98 __le32 pad;
99 __le32 fqid;
100 u8 priority;
101};
102
103struct dpseci_rsp_get_sec_attr {
104 __le16 ip_id;
105 u8 major_rev;
106 u8 minor_rev;
107 u8 era;
108 u8 pad0[3];
109 u8 deco_num;
110 u8 zuc_auth_acc_num;
111 u8 zuc_enc_acc_num;
112 u8 pad1;
113 u8 snow_f8_acc_num;
114 u8 snow_f9_acc_num;
115 u8 crc_acc_num;
116 u8 pad2;
117 u8 pk_acc_num;
118 u8 kasumi_acc_num;
119 u8 rng_acc_num;
120 u8 pad3;
121 u8 md_acc_num;
122 u8 arc4_acc_num;
123 u8 des_acc_num;
124 u8 aes_acc_num;
125 u8 ccha_acc_num;
126 u8 ptha_acc_num;
127};
128
129struct dpseci_rsp_get_api_version {
130 __le16 major;
131 __le16 minor;
132};
133
134#define DPSECI_CGN_DEST_TYPE_SHIFT 0
135#define DPSECI_CGN_DEST_TYPE_SIZE 4
136#define DPSECI_CGN_UNITS_SHIFT 4
137#define DPSECI_CGN_UNITS_SIZE 2
138
139struct dpseci_cmd_congestion_notification {
140 __le32 dest_id;
141 __le16 notification_mode;
142 u8 priority;
143 u8 options;
144 __le64 message_iova;
145 __le64 message_ctx;
146 __le32 threshold_entry;
147 __le32 threshold_exit;
148};
149
150#endif /* _DPSECI_CMD_H_ */
151

source code of linux/drivers/crypto/caam/dpseci_cmd.h