xref: /openbmc/linux/drivers/crypto/caam/dpseci_cmd.h (revision 0c874100)
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_IS_ENABLED				DPSECI_CMD_V1(0x006)
37 
38 #define DPSECI_CMDID_SET_RX_QUEUE			DPSECI_CMD_V1(0x194)
39 #define DPSECI_CMDID_GET_RX_QUEUE			DPSECI_CMD_V1(0x196)
40 #define DPSECI_CMDID_GET_TX_QUEUE			DPSECI_CMD_V1(0x197)
41 #define DPSECI_CMDID_GET_SEC_ATTR			DPSECI_CMD_V2(0x198)
42 #define DPSECI_CMDID_SET_CONGESTION_NOTIFICATION	DPSECI_CMD_V1(0x170)
43 #define DPSECI_CMDID_GET_CONGESTION_NOTIFICATION	DPSECI_CMD_V1(0x171)
44 
45 /* Macros for accessing command fields smaller than 1 byte */
46 #define DPSECI_MASK(field)	\
47 	GENMASK(DPSECI_##field##_SHIFT + DPSECI_##field##_SIZE - 1,	\
48 		DPSECI_##field##_SHIFT)
49 
50 #define dpseci_set_field(var, field, val)	\
51 	((var) |= (((val) << DPSECI_##field##_SHIFT) & DPSECI_MASK(field)))
52 
53 #define dpseci_get_field(var, field)	\
54 	(((var) & DPSECI_MASK(field)) >> DPSECI_##field##_SHIFT)
55 
56 struct dpseci_cmd_open {
57 	__le32 dpseci_id;
58 };
59 
60 #define DPSECI_ENABLE_SHIFT	0
61 #define DPSECI_ENABLE_SIZE	1
62 
63 struct dpseci_rsp_is_enabled {
64 	u8 is_enabled;
65 };
66 
67 struct dpseci_rsp_get_attributes {
68 	__le32 id;
69 	__le32 pad0;
70 	u8 num_tx_queues;
71 	u8 num_rx_queues;
72 	u8 pad1[6];
73 	__le32 options;
74 };
75 
76 #define DPSECI_DEST_TYPE_SHIFT	0
77 #define DPSECI_DEST_TYPE_SIZE	4
78 
79 #define DPSECI_ORDER_PRESERVATION_SHIFT	0
80 #define DPSECI_ORDER_PRESERVATION_SIZE	1
81 
82 struct dpseci_cmd_queue {
83 	__le32 dest_id;
84 	u8 priority;
85 	u8 queue;
86 	u8 dest_type;
87 	u8 pad;
88 	__le64 user_ctx;
89 	union {
90 		__le32 options;
91 		__le32 fqid;
92 	};
93 	u8 order_preservation_en;
94 };
95 
96 struct dpseci_rsp_get_tx_queue {
97 	__le32 pad;
98 	__le32 fqid;
99 	u8 priority;
100 };
101 
102 struct dpseci_rsp_get_sec_attr {
103 	__le16 ip_id;
104 	u8 major_rev;
105 	u8 minor_rev;
106 	u8 era;
107 	u8 pad0[3];
108 	u8 deco_num;
109 	u8 zuc_auth_acc_num;
110 	u8 zuc_enc_acc_num;
111 	u8 pad1;
112 	u8 snow_f8_acc_num;
113 	u8 snow_f9_acc_num;
114 	u8 crc_acc_num;
115 	u8 pad2;
116 	u8 pk_acc_num;
117 	u8 kasumi_acc_num;
118 	u8 rng_acc_num;
119 	u8 pad3;
120 	u8 md_acc_num;
121 	u8 arc4_acc_num;
122 	u8 des_acc_num;
123 	u8 aes_acc_num;
124 	u8 ccha_acc_num;
125 	u8 ptha_acc_num;
126 };
127 
128 struct dpseci_rsp_get_api_version {
129 	__le16 major;
130 	__le16 minor;
131 };
132 
133 #define DPSECI_CGN_DEST_TYPE_SHIFT	0
134 #define DPSECI_CGN_DEST_TYPE_SIZE	4
135 #define DPSECI_CGN_UNITS_SHIFT		4
136 #define DPSECI_CGN_UNITS_SIZE		2
137 
138 struct dpseci_cmd_congestion_notification {
139 	__le32 dest_id;
140 	__le16 notification_mode;
141 	u8 priority;
142 	u8 options;
143 	__le64 message_iova;
144 	__le64 message_ctx;
145 	__le32 threshold_entry;
146 	__le32 threshold_exit;
147 };
148 
149 #endif /* _DPSECI_CMD_H_ */
150