summaryrefslogtreecommitdiff
path: root/include/linux/psp-sev.h
blob: 7fd17e82bab43ff4409cf9e4c8827ff35c9df4d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * AMD Secure Encrypted Virtualization (SEV) driver interface
 *
 * Copyright (C) 2016-2017 Advanced Micro Devices, Inc.
 *
 * Author: Brijesh Singh <brijesh.singh@amd.com>
 *
 * SEV API spec is available at https://developer.amd.com/sev
 */

#ifndef __PSP_SEV_H__
#define __PSP_SEV_H__

#include <uapi/linux/psp-sev.h>

#define SEV_FW_BLOB_MAX_SIZE	0x4000	/* 16KB */

/**
 * SEV platform state
 */
enum sev_state {
	SEV_STATE_UNINIT		= 0x0,
	SEV_STATE_INIT			= 0x1,
	SEV_STATE_WORKING		= 0x2,

	SEV_STATE_MAX
};

/**
 * SEV platform and guest management commands
 */
enum sev_cmd {
	/* platform commands */
	SEV_CMD_INIT			= 0x001,
	SEV_CMD_SHUTDOWN		= 0x002,
	SEV_CMD_FACTORY_RESET		= 0x003,
	SEV_CMD_PLATFORM_STATUS		= 0x004,
	SEV_CMD_PEK_GEN			= 0x005,
	SEV_CMD_PEK_CSR			= 0x006,
	SEV_CMD_PEK_CERT_IMPORT		= 0x007,
	SEV_CMD_PDH_CERT_EXPORT		= 0x008,
	SEV_CMD_PDH_GEN			= 0x009,
	SEV_CMD_DF_FLUSH		= 0x00A,
	SEV_CMD_DOWNLOAD_FIRMWARE	= 0x00B,
	SEV_CMD_GET_ID			= 0x00C,
	SEV_CMD_INIT_EX                 = 0x00D,

	/* Guest commands */
	SEV_CMD_DECOMMISSION		= 0x020,
	SEV_CMD_ACTIVATE		= 0x021,
	SEV_CMD_DEACTIVATE		= 0x022,
	SEV_CMD_GUEST_STATUS		= 0x023,

	/* Guest launch commands */
	SEV_CMD_LAUNCH_START		= 0x030,
	SEV_CMD_LAUNCH_UPDATE_DATA	= 0x031,
	SEV_CMD_LAUNCH_UPDATE_VMSA	= 0x032,
	SEV_CMD_LAUNCH_MEASURE		= 0x033,
	SEV_CMD_LAUNCH_UPDATE_SECRET	= 0x034,
	SEV_CMD_LAUNCH_FINISH		= 0x035,
	SEV_CMD_ATTESTATION_REPORT	= 0x036,

	/* Guest migration commands (outgoing) */
	SEV_CMD_SEND_START		= 0x040,
	SEV_CMD_SEND_UPDATE_DATA	= 0x041,
	SEV_CMD_SEND_UPDATE_VMSA	= 0x042,
	SEV_CMD_SEND_FINISH		= 0x043,
	SEV_CMD_SEND_CANCEL		= 0x044,

	/* Guest migration commands (incoming) */
	SEV_CMD_RECEIVE_START		= 0x050,
	SEV_CMD_RECEIVE_UPDATE_DATA	= 0x051,
	SEV_CMD_RECEIVE_UPDATE_VMSA	= 0x052,
	SEV_CMD_RECEIVE_FINISH		= 0x053,

	/* Guest debug commands */
	SEV_CMD_DBG_DECRYPT		= 0x060,
	SEV_CMD_DBG_ENCRYPT		= 0x061,

	SEV_CMD_MAX,
};

/**
 * struct sev_data_init - INIT command parameters
 *
 * @flags: processing flags
 * @tmr_address: system physical address used for SEV-ES
 * @tmr_len: len of tmr_address
 */
struct sev_data_init {
	u32 flags;			/* In */
	u32 reserved;			/* In */
	u64 tmr_address;		/* In */
	u32 tmr_len;			/* In */
} __packed;

/**
 * struct sev_data_init_ex - INIT_EX command parameters
 *
 * @length: len of the command buffer read by the PSP
 * @flags: processing flags
 * @tmr_address: system physical address used for SEV-ES
 * @tmr_len: len of tmr_address
 * @nv_address: system physical address used for PSP NV storage
 * @nv_len: len of nv_address
 */
struct sev_data_init_ex {
	u32 length;                     /* In */
	u32 flags;                      /* In */
	u64 tmr_address;                /* In */
	u32 tmr_len;                    /* In */
	u32 reserved;                   /* In */
	u64 nv_address;                 /* In/Out */
	u32 nv_len;                     /* In */
} __packed;

#define SEV_INIT_FLAGS_SEV_ES	0x01

/**
 * struct sev_data_pek_csr - PEK_CSR command parameters
 *
 * @address: PEK certificate chain
 * @len: len of certificate
 */
struct sev_data_pek_csr {
	u64 address;				/* In */
	u32 len;				/* In/Out */
} __packed;

/**
 * struct sev_data_cert_import - PEK_CERT_IMPORT command parameters
 *
 * @pek_address: PEK certificate chain
 * @pek_len: len of PEK certificate
 * @oca_address: OCA certificate chain
 * @oca_len: len of OCA certificate
 */
struct sev_data_pek_cert_import {
	u64 pek_cert_address;			/* In */
	u32 pek_cert_len;			/* In */
	u32 reserved;				/* In */
	u64 oca_cert_address;			/* In */
	u32 oca_cert_len;			/* In */
} __packed;

/**
 * struct sev_data_download_firmware - DOWNLOAD_FIRMWARE command parameters
 *
 * @address: physical address of firmware image
 * @len: len of the firmware image
 */
struct sev_data_download_firmware {
	u64 address;				/* In */
	u32 len;				/* In */
} __packed;

/**
 * struct sev_data_get_id - GET_ID command parameters
 *
 * @address: physical address of region to place unique CPU ID(s)
 * @len: len of the region
 */
struct sev_data_get_id {
	u64 address;				/* In */
	u32 len;				/* In/Out */
} __packed;
/**
 * struct sev_data_pdh_cert_export - PDH_CERT_EXPORT command parameters
 *
 * @pdh_address: PDH certificate address
 * @pdh_len: len of PDH certificate
 * @cert_chain_address: PDH certificate chain
 * @cert_chain_len: len of PDH certificate chain
 */
struct sev_data_pdh_cert_export {
	u64 pdh_cert_address;			/* In */
	u32 pdh_cert_len;			/* In/Out */
	u32 reserved;				/* In */
	u64 cert_chain_address;			/* In */
	u32 cert_chain_len;			/* In/Out */
} __packed;

/**
 * struct sev_data_decommission - DECOMMISSION command parameters
 *
 * @handle: handle of the VM to decommission
 */
struct sev_data_decommission {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_activate - ACTIVATE command parameters
 *
 * @handle: handle of the VM to activate
 * @asid: asid assigned to the VM
 */
struct sev_data_activate {
	u32 handle;				/* In */
	u32 asid;				/* In */
} __packed;

/**
 * struct sev_data_deactivate - DEACTIVATE command parameters
 *
 * @handle: handle of the VM to deactivate
 */
struct sev_data_deactivate {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_guest_status - SEV GUEST_STATUS command parameters
 *
 * @handle: handle of the VM to retrieve status
 * @policy: policy information for the VM
 * @asid: current ASID of the VM
 * @state: current state of the VM
 */
struct sev_data_guest_status {
	u32 handle;				/* In */
	u32 policy;				/* Out */
	u32 asid;				/* Out */
	u8 state;				/* Out */
} __packed;

/**
 * struct sev_data_launch_start - LAUNCH_START command parameters
 *
 * @handle: handle assigned to the VM
 * @policy: guest launch policy
 * @dh_cert_address: physical address of DH certificate blob
 * @dh_cert_len: len of DH certificate blob
 * @session_address: physical address of session parameters
 * @session_len: len of session parameters
 */
struct sev_data_launch_start {
	u32 handle;				/* In/Out */
	u32 policy;				/* In */
	u64 dh_cert_address;			/* In */
	u32 dh_cert_len;			/* In */
	u32 reserved;				/* In */
	u64 session_address;			/* In */
	u32 session_len;			/* In */
} __packed;

/**
 * struct sev_data_launch_update_data - LAUNCH_UPDATE_DATA command parameter
 *
 * @handle: handle of the VM to update
 * @len: len of memory to be encrypted
 * @address: physical address of memory region to encrypt
 */
struct sev_data_launch_update_data {
	u32 handle;				/* In */
	u32 reserved;
	u64 address;				/* In */
	u32 len;				/* In */
} __packed;

/**
 * struct sev_data_launch_update_vmsa - LAUNCH_UPDATE_VMSA command
 *
 * @handle: handle of the VM
 * @address: physical address of memory region to encrypt
 * @len: len of memory region to encrypt
 */
struct sev_data_launch_update_vmsa {
	u32 handle;				/* In */
	u32 reserved;
	u64 address;				/* In */
	u32 len;				/* In */
} __packed;

/**
 * struct sev_data_launch_measure - LAUNCH_MEASURE command parameters
 *
 * @handle: handle of the VM to process
 * @address: physical address containing the measurement blob
 * @len: len of measurement blob
 */
struct sev_data_launch_measure {
	u32 handle;				/* In */
	u32 reserved;
	u64 address;				/* In */
	u32 len;				/* In/Out */
} __packed;

/**
 * struct sev_data_launch_secret - LAUNCH_SECRET command parameters
 *
 * @handle: handle of the VM to process
 * @hdr_address: physical address containing the packet header
 * @hdr_len: len of packet header
 * @guest_address: system physical address of guest memory region
 * @guest_len: len of guest_paddr
 * @trans_address: physical address of transport memory buffer
 * @trans_len: len of transport memory buffer
 */
struct sev_data_launch_secret {
	u32 handle;				/* In */
	u32 reserved1;
	u64 hdr_address;			/* In */
	u32 hdr_len;				/* In */
	u32 reserved2;
	u64 guest_address;			/* In */
	u32 guest_len;				/* In */
	u32 reserved3;
	u64 trans_address;			/* In */
	u32 trans_len;				/* In */
} __packed;

/**
 * struct sev_data_launch_finish - LAUNCH_FINISH command parameters
 *
 * @handle: handle of the VM to process
 */
struct sev_data_launch_finish {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_send_start - SEND_START command parameters
 *
 * @handle: handle of the VM to process
 * @policy: policy information for the VM
 * @pdh_cert_address: physical address containing PDH certificate
 * @pdh_cert_len: len of PDH certificate
 * @plat_certs_address: physical address containing platform certificate
 * @plat_certs_len: len of platform certificate
 * @amd_certs_address: physical address containing AMD certificate
 * @amd_certs_len: len of AMD certificate
 * @session_address: physical address containing Session data
 * @session_len: len of session data
 */
struct sev_data_send_start {
	u32 handle;				/* In */
	u32 policy;				/* Out */
	u64 pdh_cert_address;			/* In */
	u32 pdh_cert_len;			/* In */
	u32 reserved1;
	u64 plat_certs_address;			/* In */
	u32 plat_certs_len;			/* In */
	u32 reserved2;
	u64 amd_certs_address;			/* In */
	u32 amd_certs_len;			/* In */
	u32 reserved3;
	u64 session_address;			/* In */
	u32 session_len;			/* In/Out */
} __packed;

/**
 * struct sev_data_send_update - SEND_UPDATE_DATA command
 *
 * @handle: handle of the VM to process
 * @hdr_address: physical address containing packet header
 * @hdr_len: len of packet header
 * @guest_address: physical address of guest memory region to send
 * @guest_len: len of guest memory region to send
 * @trans_address: physical address of host memory region
 * @trans_len: len of host memory region
 */
struct sev_data_send_update_data {
	u32 handle;				/* In */
	u32 reserved1;
	u64 hdr_address;			/* In */
	u32 hdr_len;				/* In/Out */
	u32 reserved2;
	u64 guest_address;			/* In */
	u32 guest_len;				/* In */
	u32 reserved3;
	u64 trans_address;			/* In */
	u32 trans_len;				/* In */
} __packed;

/**
 * struct sev_data_send_update - SEND_UPDATE_VMSA command
 *
 * @handle: handle of the VM to process
 * @hdr_address: physical address containing packet header
 * @hdr_len: len of packet header
 * @guest_address: physical address of guest memory region to send
 * @guest_len: len of guest memory region to send
 * @trans_address: physical address of host memory region
 * @trans_len: len of host memory region
 */
struct sev_data_send_update_vmsa {
	u32 handle;				/* In */
	u64 hdr_address;			/* In */
	u32 hdr_len;				/* In/Out */
	u32 reserved2;
	u64 guest_address;			/* In */
	u32 guest_len;				/* In */
	u32 reserved3;
	u64 trans_address;			/* In */
	u32 trans_len;				/* In */
} __packed;

/**
 * struct sev_data_send_finish - SEND_FINISH command parameters
 *
 * @handle: handle of the VM to process
 */
struct sev_data_send_finish {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_send_cancel - SEND_CANCEL command parameters
 *
 * @handle: handle of the VM to process
 */
struct sev_data_send_cancel {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_receive_start - RECEIVE_START command parameters
 *
 * @handle: handle of the VM to perform receive operation
 * @pdh_cert_address: system physical address containing PDH certificate blob
 * @pdh_cert_len: len of PDH certificate blob
 * @session_address: system physical address containing session blob
 * @session_len: len of session blob
 */
struct sev_data_receive_start {
	u32 handle;				/* In/Out */
	u32 policy;				/* In */
	u64 pdh_cert_address;			/* In */
	u32 pdh_cert_len;			/* In */
	u32 reserved1;
	u64 session_address;			/* In */
	u32 session_len;			/* In */
} __packed;

/**
 * struct sev_data_receive_update_data - RECEIVE_UPDATE_DATA command parameters
 *
 * @handle: handle of the VM to update
 * @hdr_address: physical address containing packet header blob
 * @hdr_len: len of packet header
 * @guest_address: system physical address of guest memory region
 * @guest_len: len of guest memory region
 * @trans_address: system physical address of transport buffer
 * @trans_len: len of transport buffer
 */
struct sev_data_receive_update_data {
	u32 handle;				/* In */
	u32 reserved1;
	u64 hdr_address;			/* In */
	u32 hdr_len;				/* In */
	u32 reserved2;
	u64 guest_address;			/* In */
	u32 guest_len;				/* In */
	u32 reserved3;
	u64 trans_address;			/* In */
	u32 trans_len;				/* In */
} __packed;

/**
 * struct sev_data_receive_update_vmsa - RECEIVE_UPDATE_VMSA command parameters
 *
 * @handle: handle of the VM to update
 * @hdr_address: physical address containing packet header blob
 * @hdr_len: len of packet header
 * @guest_address: system physical address of guest memory region
 * @guest_len: len of guest memory region
 * @trans_address: system physical address of transport buffer
 * @trans_len: len of transport buffer
 */
struct sev_data_receive_update_vmsa {
	u32 handle;				/* In */
	u32 reserved1;
	u64 hdr_address;			/* In */
	u32 hdr_len;				/* In */
	u32 reserved2;
	u64 guest_address;			/* In */
	u32 guest_len;				/* In */
	u32 reserved3;
	u64 trans_address;			/* In */
	u32 trans_len;				/* In */
} __packed;

/**
 * struct sev_data_receive_finish - RECEIVE_FINISH command parameters
 *
 * @handle: handle of the VM to finish
 */
struct sev_data_receive_finish {
	u32 handle;				/* In */
} __packed;

/**
 * struct sev_data_dbg - DBG_ENCRYPT/DBG_DECRYPT command parameters
 *
 * @handle: handle of the VM to perform debug operation
 * @src_addr: source address of data to operate on
 * @dst_addr: destination address of data to operate on
 * @len: len of data to operate on
 */
struct sev_data_dbg {
	u32 handle;				/* In */
	u32 reserved;
	u64 src_addr;				/* In */
	u64 dst_addr;				/* In */
	u32 len;				/* In */
} __packed;

/**
 * struct sev_data_attestation_report - SEV_ATTESTATION_REPORT command parameters
 *
 * @handle: handle of the VM
 * @mnonce: a random nonce that will be included in the report.
 * @address: physical address where the report will be copied.
 * @len: length of the physical buffer.
 */
struct sev_data_attestation_report {
	u32 handle;				/* In */
	u32 reserved;
	u64 address;				/* In */
	u8 mnonce[16];				/* In */
	u32 len;				/* In/Out */
} __packed;

#ifdef CONFIG_CRYPTO_DEV_SP_PSP

/**
 * sev_platform_init - perform SEV INIT command
 *
 * @error: SEV command return code
 *
 * Returns:
 * 0 if the SEV successfully processed the command
 * -%ENODEV    if the SEV device is not available
 * -%ENOTSUPP  if the SEV does not support SEV
 * -%ETIMEDOUT if the SEV command timed out
 * -%EIO       if the SEV returned a non-zero return code
 */
int sev_platform_init(int *error);

/**
 * sev_platform_status - perform SEV PLATFORM_STATUS command
 *
 * @status: sev_user_data_status structure to be processed
 * @error: SEV command return code
 *
 * Returns:
 * 0 if the SEV successfully processed the command
 * -%ENODEV    if the SEV device is not available
 * -%ENOTSUPP  if the SEV does not support SEV
 * -%ETIMEDOUT if the SEV command timed out
 * -%EIO       if the SEV returned a non-zero return code
 */
int sev_platform_status(struct sev_user_data_status *status, int *error);

/**
 * sev_issue_cmd_external_user - issue SEV command by other driver with a file
 * handle.
 *
 * This function can be used by other drivers to issue a SEV command on
 * behalf of userspace. The caller must pass a valid SEV file descriptor
 * so that we know that it has access to SEV device.
 *
 * @filep - SEV device file pointer
 * @cmd - command to issue
 * @data - command buffer
 * @error: SEV command return code
 *
 * Returns:
 * 0 if the SEV successfully processed the command
 * -%ENODEV    if the SEV device is not available
 * -%ENOTSUPP  if the SEV does not support SEV
 * -%ETIMEDOUT if the SEV command timed out
 * -%EIO       if the SEV returned a non-zero return code
 * -%EINVAL    if the SEV file descriptor is not valid
 */
int sev_issue_cmd_external_user(struct file *filep, unsigned int id,
				void *data, int *error);

/**
 * sev_guest_deactivate - perform SEV DEACTIVATE command
 *
 * @deactivate: sev_data_deactivate structure to be processed
 * @sev_ret: sev command return code
 *
 * Returns:
 * 0 if the sev successfully processed the command
 * -%ENODEV    if the sev device is not available
 * -%ENOTSUPP  if the sev does not support SEV
 * -%ETIMEDOUT if the sev command timed out
 * -%EIO       if the sev returned a non-zero return code
 */
int sev_guest_deactivate(struct sev_data_deactivate *data, int *error);

/**
 * sev_guest_activate - perform SEV ACTIVATE command
 *
 * @activate: sev_data_activate structure to be processed
 * @sev_ret: sev command return code
 *
 * Returns:
 * 0 if the sev successfully processed the command
 * -%ENODEV    if the sev device is not available
 * -%ENOTSUPP  if the sev does not support SEV
 * -%ETIMEDOUT if the sev command timed out
 * -%EIO       if the sev returned a non-zero return code
 */
int sev_guest_activate(struct sev_data_activate *data, int *error);

/**
 * sev_guest_df_flush - perform SEV DF_FLUSH command
 *
 * @sev_ret: sev command return code
 *
 * Returns:
 * 0 if the sev successfully processed the command
 * -%ENODEV    if the sev device is not available
 * -%ENOTSUPP  if the sev does not support SEV
 * -%ETIMEDOUT if the sev command timed out
 * -%EIO       if the sev returned a non-zero return code
 */
int sev_guest_df_flush(int *error);

/**
 * sev_guest_decommission - perform SEV DECOMMISSION command
 *
 * @decommission: sev_data_decommission structure to be processed
 * @sev_ret: sev command return code
 *
 * Returns:
 * 0 if the sev successfully processed the command
 * -%ENODEV    if the sev device is not available
 * -%ENOTSUPP  if the sev does not support SEV
 * -%ETIMEDOUT if the sev command timed out
 * -%EIO       if the sev returned a non-zero return code
 */
int sev_guest_decommission(struct sev_data_decommission *data, int *error);

void *psp_copy_user_blob(u64 uaddr, u32 len);

#else	/* !CONFIG_CRYPTO_DEV_SP_PSP */

static inline int
sev_platform_status(struct sev_user_data_status *status, int *error) { return -ENODEV; }

static inline int sev_platform_init(int *error) { return -ENODEV; }

static inline int
sev_guest_deactivate(struct sev_data_deactivate *data, int *error) { return -ENODEV; }

static inline int
sev_guest_decommission(struct sev_data_decommission *data, int *error) { return -ENODEV; }

static inline int
sev_guest_activate(struct sev_data_activate *data, int *error) { return -ENODEV; }

static inline int sev_guest_df_flush(int *error) { return -ENODEV; }

static inline int
sev_issue_cmd_external_user(struct file *filep, unsigned int id, void *data, int *error) { return -ENODEV; }

static inline void *psp_copy_user_blob(u64 __user uaddr, u32 len) { return ERR_PTR(-EINVAL); }

#endif	/* CONFIG_CRYPTO_DEV_SP_PSP */

#endif	/* __PSP_SEV_H__ */