xref: /openbmc/linux/drivers/crypto/n2_core.h (revision 588b48ca)
1 #ifndef _N2_CORE_H
2 #define _N2_CORE_H
3 
4 #ifndef __ASSEMBLY__
5 
6 struct ino_blob {
7 	u64			intr;
8 	u64			ino;
9 };
10 
11 struct spu_mdesc_info {
12 	u64			cfg_handle;
13 	struct ino_blob		*ino_table;
14 	int			num_intrs;
15 };
16 
17 struct n2_crypto {
18 	struct spu_mdesc_info	cwq_info;
19 	struct list_head	cwq_list;
20 };
21 
22 struct n2_mau {
23 	struct spu_mdesc_info	mau_info;
24 	struct list_head	mau_list;
25 };
26 
27 #define CWQ_ENTRY_SIZE		64
28 #define CWQ_NUM_ENTRIES		64
29 
30 #define MAU_ENTRY_SIZE		64
31 #define MAU_NUM_ENTRIES		64
32 
33 struct cwq_initial_entry {
34 	u64			control;
35 	u64			src_addr;
36 	u64			auth_key_addr;
37 	u64			auth_iv_addr;
38 	u64			final_auth_state_addr;
39 	u64			enc_key_addr;
40 	u64			enc_iv_addr;
41 	u64			dest_addr;
42 };
43 
44 struct cwq_ext_entry {
45 	u64			len;
46 	u64			src_addr;
47 	u64			resv1;
48 	u64			resv2;
49 	u64			resv3;
50 	u64			resv4;
51 	u64			resv5;
52 	u64			resv6;
53 };
54 
55 struct cwq_final_entry {
56 	u64			control;
57 	u64			src_addr;
58 	u64			resv1;
59 	u64			resv2;
60 	u64			resv3;
61 	u64			resv4;
62 	u64			resv5;
63 	u64			resv6;
64 };
65 
66 #define CONTROL_LEN			0x000000000000ffffULL
67 #define CONTROL_LEN_SHIFT		0
68 #define CONTROL_HMAC_KEY_LEN		0x0000000000ff0000ULL
69 #define CONTROL_HMAC_KEY_LEN_SHIFT	16
70 #define CONTROL_ENC_TYPE		0x00000000ff000000ULL
71 #define CONTROL_ENC_TYPE_SHIFT		24
72 #define  ENC_TYPE_ALG_RC4_STREAM	0x00ULL
73 #define  ENC_TYPE_ALG_RC4_NOSTREAM	0x04ULL
74 #define  ENC_TYPE_ALG_DES		0x08ULL
75 #define  ENC_TYPE_ALG_3DES		0x0cULL
76 #define  ENC_TYPE_ALG_AES128		0x10ULL
77 #define  ENC_TYPE_ALG_AES192		0x14ULL
78 #define  ENC_TYPE_ALG_AES256		0x18ULL
79 #define  ENC_TYPE_ALG_RESERVED		0x1cULL
80 #define  ENC_TYPE_ALG_MASK		0x1cULL
81 #define  ENC_TYPE_CHAINING_ECB		0x00ULL
82 #define  ENC_TYPE_CHAINING_CBC		0x01ULL
83 #define  ENC_TYPE_CHAINING_CFB		0x02ULL
84 #define  ENC_TYPE_CHAINING_COUNTER	0x03ULL
85 #define  ENC_TYPE_CHAINING_MASK		0x03ULL
86 #define CONTROL_AUTH_TYPE		0x0000001f00000000ULL
87 #define CONTROL_AUTH_TYPE_SHIFT		32
88 #define  AUTH_TYPE_RESERVED		0x00ULL
89 #define  AUTH_TYPE_MD5			0x01ULL
90 #define  AUTH_TYPE_SHA1			0x02ULL
91 #define  AUTH_TYPE_SHA256		0x03ULL
92 #define  AUTH_TYPE_CRC32		0x04ULL
93 #define  AUTH_TYPE_HMAC_MD5		0x05ULL
94 #define  AUTH_TYPE_HMAC_SHA1		0x06ULL
95 #define  AUTH_TYPE_HMAC_SHA256		0x07ULL
96 #define  AUTH_TYPE_TCP_CHECKSUM		0x08ULL
97 #define  AUTH_TYPE_SSL_HMAC_MD5		0x09ULL
98 #define  AUTH_TYPE_SSL_HMAC_SHA1	0x0aULL
99 #define  AUTH_TYPE_SSL_HMAC_SHA256	0x0bULL
100 #define CONTROL_STRAND			0x000000e000000000ULL
101 #define CONTROL_STRAND_SHIFT		37
102 #define CONTROL_HASH_LEN		0x0000ff0000000000ULL
103 #define CONTROL_HASH_LEN_SHIFT		40
104 #define CONTROL_INTERRUPT		0x0001000000000000ULL
105 #define CONTROL_STORE_FINAL_AUTH_STATE	0x0002000000000000ULL
106 #define CONTROL_RESERVED		0x001c000000000000ULL
107 #define CONTROL_HV_DONE			0x0004000000000000ULL
108 #define CONTROL_HV_PROTOCOL_ERROR	0x0008000000000000ULL
109 #define CONTROL_HV_HARDWARE_ERROR	0x0010000000000000ULL
110 #define CONTROL_END_OF_BLOCK		0x0020000000000000ULL
111 #define CONTROL_START_OF_BLOCK		0x0040000000000000ULL
112 #define CONTROL_ENCRYPT			0x0080000000000000ULL
113 #define CONTROL_OPCODE			0xff00000000000000ULL
114 #define CONTROL_OPCODE_SHIFT		56
115 #define  OPCODE_INPLACE_BIT		0x80ULL
116 #define  OPCODE_SSL_KEYBLOCK		0x10ULL
117 #define  OPCODE_COPY			0x20ULL
118 #define  OPCODE_ENCRYPT			0x40ULL
119 #define  OPCODE_AUTH_MAC		0x41ULL
120 
121 #endif /* !(__ASSEMBLY__) */
122 
123 /* NCS v2.0 hypervisor interfaces */
124 #define HV_NCS_QTYPE_MAU		0x01
125 #define HV_NCS_QTYPE_CWQ		0x02
126 
127 /* ncs_qconf()
128  * TRAP:	HV_FAST_TRAP
129  * FUNCTION:	HV_FAST_NCS_QCONF
130  * ARG0:	Queue type (HV_NCS_QTYPE_{MAU,CWQ})
131  * ARG1:	Real address of queue, or handle for unconfigure
132  * ARG2:	Number of entries in queue, zero for unconfigure
133  * RET0:	status
134  * RET1:	queue handle
135  *
136  * Configure a queue in the stream processing unit.
137  *
138  * The real address given as the base must be 64-byte
139  * aligned.
140  *
141  * The queue size can range from a minimum of 2 to a maximum
142  * of 64.  The queue size must be a power of two.
143  *
144  * To unconfigure a queue, specify a length of zero and place
145  * the queue handle into ARG1.
146  *
147  * On configure success the hypervisor will set the FIRST, HEAD,
148  * and TAIL registers to the address of the first entry in the
149  * queue.  The LAST register will be set to point to the last
150  * entry in the queue.
151  */
152 #define HV_FAST_NCS_QCONF		0x111
153 
154 /* ncs_qinfo()
155  * TRAP:	HV_FAST_TRAP
156  * FUNCTION:	HV_FAST_NCS_QINFO
157  * ARG0:	Queue handle
158  * RET0:	status
159  * RET1:	Queue type (HV_NCS_QTYPE_{MAU,CWQ})
160  * RET2:	Queue base address
161  * RET3:	Number of entries
162  */
163 #define HV_FAST_NCS_QINFO		0x112
164 
165 /* ncs_gethead()
166  * TRAP:	HV_FAST_TRAP
167  * FUNCTION:	HV_FAST_NCS_GETHEAD
168  * ARG0:	Queue handle
169  * RET0:	status
170  * RET1:	queue head offset
171  */
172 #define HV_FAST_NCS_GETHEAD		0x113
173 
174 /* ncs_gettail()
175  * TRAP:	HV_FAST_TRAP
176  * FUNCTION:	HV_FAST_NCS_GETTAIL
177  * ARG0:	Queue handle
178  * RET0:	status
179  * RET1:	queue tail offset
180  */
181 #define HV_FAST_NCS_GETTAIL		0x114
182 
183 /* ncs_settail()
184  * TRAP:	HV_FAST_TRAP
185  * FUNCTION:	HV_FAST_NCS_SETTAIL
186  * ARG0:	Queue handle
187  * ARG1:	New tail offset
188  * RET0:	status
189  */
190 #define HV_FAST_NCS_SETTAIL		0x115
191 
192 /* ncs_qhandle_to_devino()
193  * TRAP:	HV_FAST_TRAP
194  * FUNCTION:	HV_FAST_NCS_QHANDLE_TO_DEVINO
195  * ARG0:	Queue handle
196  * RET0:	status
197  * RET1:	devino
198  */
199 #define HV_FAST_NCS_QHANDLE_TO_DEVINO	0x116
200 
201 /* ncs_sethead_marker()
202  * TRAP:	HV_FAST_TRAP
203  * FUNCTION:	HV_FAST_NCS_SETHEAD_MARKER
204  * ARG0:	Queue handle
205  * ARG1:	New head offset
206  * RET0:	status
207  */
208 #define HV_FAST_NCS_SETHEAD_MARKER	0x117
209 
210 #ifndef __ASSEMBLY__
211 extern unsigned long sun4v_ncs_qconf(unsigned long queue_type,
212 				     unsigned long queue_ra,
213 				     unsigned long num_entries,
214 				     unsigned long *qhandle);
215 extern unsigned long sun4v_ncs_qinfo(unsigned long qhandle,
216 				     unsigned long *queue_type,
217 				     unsigned long *queue_ra,
218 				     unsigned long *num_entries);
219 extern unsigned long sun4v_ncs_gethead(unsigned long qhandle,
220 				       unsigned long *head);
221 extern unsigned long sun4v_ncs_gettail(unsigned long qhandle,
222 				       unsigned long *tail);
223 extern unsigned long sun4v_ncs_settail(unsigned long qhandle,
224 				       unsigned long tail);
225 extern unsigned long sun4v_ncs_qhandle_to_devino(unsigned long qhandle,
226 						 unsigned long *devino);
227 extern unsigned long sun4v_ncs_sethead_marker(unsigned long qhandle,
228 					      unsigned long head);
229 #endif /* !(__ASSEMBLY__) */
230 
231 #endif /* _N2_CORE_H */
232