xref: /openbmc/linux/drivers/crypto/n2_core.h (revision 6c33a6f4)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _N2_CORE_H
3 #define _N2_CORE_H
4 
5 #ifndef __ASSEMBLY__
6 
7 struct ino_blob {
8 	u64			intr;
9 	u64			ino;
10 };
11 
12 struct spu_mdesc_info {
13 	u64			cfg_handle;
14 	struct ino_blob		*ino_table;
15 	int			num_intrs;
16 };
17 
18 struct n2_crypto {
19 	struct spu_mdesc_info	cwq_info;
20 	struct list_head	cwq_list;
21 };
22 
23 struct 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 
34 struct 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 
45 struct 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 
56 struct 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__
212 extern unsigned long sun4v_ncs_qconf(unsigned long queue_type,
213 				     unsigned long queue_ra,
214 				     unsigned long num_entries,
215 				     unsigned long *qhandle);
216 extern unsigned long sun4v_ncs_qinfo(unsigned long qhandle,
217 				     unsigned long *queue_type,
218 				     unsigned long *queue_ra,
219 				     unsigned long *num_entries);
220 extern unsigned long sun4v_ncs_gethead(unsigned long qhandle,
221 				       unsigned long *head);
222 extern unsigned long sun4v_ncs_gettail(unsigned long qhandle,
223 				       unsigned long *tail);
224 extern unsigned long sun4v_ncs_settail(unsigned long qhandle,
225 				       unsigned long tail);
226 extern unsigned long sun4v_ncs_qhandle_to_devino(unsigned long qhandle,
227 						 unsigned long *devino);
228 extern unsigned long sun4v_ncs_sethead_marker(unsigned long qhandle,
229 					      unsigned long head);
230 #endif /* !(__ASSEMBLY__) */
231 
232 #endif /* _N2_CORE_H */
233