1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _N2_CORE_H
3#define _N2_CORE_H
4
5#ifndef __ASSEMBLY__
6
7struct ino_blob {
8 u64 intr;
9 u64 ino;
10};
11
12struct spu_mdesc_info {
13 u64 cfg_handle;
14 struct ino_blob *ino_table;
15 int num_intrs;
16};
17
18struct n2_crypto {
19 struct spu_mdesc_info cwq_info;
20 struct list_head cwq_list;
21};
22
23struct n2_mau {
24 struct spu_mdesc_info mau_info;
25 struct list_head mau_list;
26};
27
28#define CWQ_ENTRY_SIZE 64
29#define CWQ_NUM_ENTRIES 64
30
31#define MAU_ENTRY_SIZE 64
32#define MAU_NUM_ENTRIES 64
33
34struct cwq_initial_entry {
35 u64 control;
36 u64 src_addr;
37 u64 auth_key_addr;
38 u64 auth_iv_addr;
39 u64 final_auth_state_addr;
40 u64 enc_key_addr;
41 u64 enc_iv_addr;
42 u64 dest_addr;
43};
44
45struct cwq_ext_entry {
46 u64 len;
47 u64 src_addr;
48 u64 resv1;
49 u64 resv2;
50 u64 resv3;
51 u64 resv4;
52 u64 resv5;
53 u64 resv6;
54};
55
56struct cwq_final_entry {
57 u64 control;
58 u64 src_addr;
59 u64 resv1;
60 u64 resv2;
61 u64 resv3;
62 u64 resv4;
63 u64 resv5;
64 u64 resv6;
65};
66
67#define CONTROL_LEN 0x000000000000ffffULL
68#define CONTROL_LEN_SHIFT 0
69#define CONTROL_HMAC_KEY_LEN 0x0000000000ff0000ULL
70#define CONTROL_HMAC_KEY_LEN_SHIFT 16
71#define CONTROL_ENC_TYPE 0x00000000ff000000ULL
72#define CONTROL_ENC_TYPE_SHIFT 24
73#define ENC_TYPE_ALG_RC4_STREAM 0x00ULL
74#define ENC_TYPE_ALG_RC4_NOSTREAM 0x04ULL
75#define ENC_TYPE_ALG_DES 0x08ULL
76#define ENC_TYPE_ALG_3DES 0x0cULL
77#define ENC_TYPE_ALG_AES128 0x10ULL
78#define ENC_TYPE_ALG_AES192 0x14ULL
79#define ENC_TYPE_ALG_AES256 0x18ULL
80#define ENC_TYPE_ALG_RESERVED 0x1cULL
81#define ENC_TYPE_ALG_MASK 0x1cULL
82#define ENC_TYPE_CHAINING_ECB 0x00ULL
83#define ENC_TYPE_CHAINING_CBC 0x01ULL
84#define ENC_TYPE_CHAINING_CFB 0x02ULL
85#define ENC_TYPE_CHAINING_COUNTER 0x03ULL
86#define ENC_TYPE_CHAINING_MASK 0x03ULL
87#define CONTROL_AUTH_TYPE 0x0000001f00000000ULL
88#define CONTROL_AUTH_TYPE_SHIFT 32
89#define AUTH_TYPE_RESERVED 0x00ULL
90#define AUTH_TYPE_MD5 0x01ULL
91#define AUTH_TYPE_SHA1 0x02ULL
92#define AUTH_TYPE_SHA256 0x03ULL
93#define AUTH_TYPE_CRC32 0x04ULL
94#define AUTH_TYPE_HMAC_MD5 0x05ULL
95#define AUTH_TYPE_HMAC_SHA1 0x06ULL
96#define AUTH_TYPE_HMAC_SHA256 0x07ULL
97#define AUTH_TYPE_TCP_CHECKSUM 0x08ULL
98#define AUTH_TYPE_SSL_HMAC_MD5 0x09ULL
99#define AUTH_TYPE_SSL_HMAC_SHA1 0x0aULL
100#define AUTH_TYPE_SSL_HMAC_SHA256 0x0bULL
101#define CONTROL_STRAND 0x000000e000000000ULL
102#define CONTROL_STRAND_SHIFT 37
103#define CONTROL_HASH_LEN 0x0000ff0000000000ULL
104#define CONTROL_HASH_LEN_SHIFT 40
105#define CONTROL_INTERRUPT 0x0001000000000000ULL
106#define CONTROL_STORE_FINAL_AUTH_STATE 0x0002000000000000ULL
107#define CONTROL_RESERVED 0x001c000000000000ULL
108#define CONTROL_HV_DONE 0x0004000000000000ULL
109#define CONTROL_HV_PROTOCOL_ERROR 0x0008000000000000ULL
110#define CONTROL_HV_HARDWARE_ERROR 0x0010000000000000ULL
111#define CONTROL_END_OF_BLOCK 0x0020000000000000ULL
112#define CONTROL_START_OF_BLOCK 0x0040000000000000ULL
113#define CONTROL_ENCRYPT 0x0080000000000000ULL
114#define CONTROL_OPCODE 0xff00000000000000ULL
115#define CONTROL_OPCODE_SHIFT 56
116#define OPCODE_INPLACE_BIT 0x80ULL
117#define OPCODE_SSL_KEYBLOCK 0x10ULL
118#define OPCODE_COPY 0x20ULL
119#define OPCODE_ENCRYPT 0x40ULL
120#define OPCODE_AUTH_MAC 0x41ULL
121
122#endif /* !(__ASSEMBLY__) */
123
124/* NCS v2.0 hypervisor interfaces */
125#define HV_NCS_QTYPE_MAU 0x01
126#define HV_NCS_QTYPE_CWQ 0x02
127
128/* ncs_qconf()
129 * TRAP: HV_FAST_TRAP
130 * FUNCTION: HV_FAST_NCS_QCONF
131 * ARG0: Queue type (HV_NCS_QTYPE_{MAU,CWQ})
132 * ARG1: Real address of queue, or handle for unconfigure
133 * ARG2: Number of entries in queue, zero for unconfigure
134 * RET0: status
135 * RET1: queue handle
136 *
137 * Configure a queue in the stream processing unit.
138 *
139 * The real address given as the base must be 64-byte
140 * aligned.
141 *
142 * The queue size can range from a minimum of 2 to a maximum
143 * of 64. The queue size must be a power of two.
144 *
145 * To unconfigure a queue, specify a length of zero and place
146 * the queue handle into ARG1.
147 *
148 * On configure success the hypervisor will set the FIRST, HEAD,
149 * and TAIL registers to the address of the first entry in the
150 * queue. The LAST register will be set to point to the last
151 * entry in the queue.
152 */
153#define HV_FAST_NCS_QCONF 0x111
154
155/* ncs_qinfo()
156 * TRAP: HV_FAST_TRAP
157 * FUNCTION: HV_FAST_NCS_QINFO
158 * ARG0: Queue handle
159 * RET0: status
160 * RET1: Queue type (HV_NCS_QTYPE_{MAU,CWQ})
161 * RET2: Queue base address
162 * RET3: Number of entries
163 */
164#define HV_FAST_NCS_QINFO 0x112
165
166/* ncs_gethead()
167 * TRAP: HV_FAST_TRAP
168 * FUNCTION: HV_FAST_NCS_GETHEAD
169 * ARG0: Queue handle
170 * RET0: status
171 * RET1: queue head offset
172 */
173#define HV_FAST_NCS_GETHEAD 0x113
174
175/* ncs_gettail()
176 * TRAP: HV_FAST_TRAP
177 * FUNCTION: HV_FAST_NCS_GETTAIL
178 * ARG0: Queue handle
179 * RET0: status
180 * RET1: queue tail offset
181 */
182#define HV_FAST_NCS_GETTAIL 0x114
183
184/* ncs_settail()
185 * TRAP: HV_FAST_TRAP
186 * FUNCTION: HV_FAST_NCS_SETTAIL
187 * ARG0: Queue handle
188 * ARG1: New tail offset
189 * RET0: status
190 */
191#define HV_FAST_NCS_SETTAIL 0x115
192
193/* ncs_qhandle_to_devino()
194 * TRAP: HV_FAST_TRAP
195 * FUNCTION: HV_FAST_NCS_QHANDLE_TO_DEVINO
196 * ARG0: Queue handle
197 * RET0: status
198 * RET1: devino
199 */
200#define HV_FAST_NCS_QHANDLE_TO_DEVINO 0x116
201
202/* ncs_sethead_marker()
203 * TRAP: HV_FAST_TRAP
204 * FUNCTION: HV_FAST_NCS_SETHEAD_MARKER
205 * ARG0: Queue handle
206 * ARG1: New head offset
207 * RET0: status
208 */
209#define HV_FAST_NCS_SETHEAD_MARKER 0x117
210
211#ifndef __ASSEMBLY__
212extern unsigned long sun4v_ncs_qconf(unsigned long queue_type,
213 unsigned long queue_ra,
214 unsigned long num_entries,
215 unsigned long *qhandle);
216extern unsigned long sun4v_ncs_qinfo(unsigned long qhandle,
217 unsigned long *queue_type,
218 unsigned long *queue_ra,
219 unsigned long *num_entries);
220extern unsigned long sun4v_ncs_gethead(unsigned long qhandle,
221 unsigned long *head);
222extern unsigned long sun4v_ncs_gettail(unsigned long qhandle,
223 unsigned long *tail);
224extern unsigned long sun4v_ncs_settail(unsigned long qhandle,
225 unsigned long tail);
226extern unsigned long sun4v_ncs_qhandle_to_devino(unsigned long qhandle,
227 unsigned long *devino);
228extern unsigned long sun4v_ncs_sethead_marker(unsigned long qhandle,
229 unsigned long head);
230#endif /* !(__ASSEMBLY__) */
231
232#endif /* _N2_CORE_H */
233

source code of linux/drivers/crypto/n2_core.h