Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) 2004 IBM Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2015 Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Leendert van Doorn <leendert@watson.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Dave Safford <safford@watson.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Reiner Sailer <sailer@watson.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Kylene Hall <kjhall@us.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Maintained by: <tpmdd-devel@lists.sourceforge.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * Device driver for TCG/TCPA TPM (trusted platform module).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Specifications at www.trustedcomputinggroup.org
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #ifndef __TPM_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define __TPM_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/tpm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/tpm_eventlog.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #ifdef CONFIG_X86
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include <asm/intel-family.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define TPM_MINOR		224	/* officially assigned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define TPM_BUFSIZE		4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define TPM_NUM_DEVICES		65536
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define TPM_RETRY		50
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) enum tpm_timeout {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	TPM_TIMEOUT = 5,	/* msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	TPM_TIMEOUT_RETRY = 100, /* msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	TPM_TIMEOUT_RANGE_US = 300,	/* usecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	TPM_TIMEOUT_POLL = 1,	/* msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	TPM_TIMEOUT_USECS_MIN = 100,      /* usecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	TPM_TIMEOUT_USECS_MAX = 500      /* usecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) /* TPM addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) enum tpm_addr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	TPM_SUPERIO_ADDR = 0x2E,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	TPM_ADDR = 0x4E,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define TPM_WARN_RETRY          0x800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define TPM_WARN_DOING_SELFTEST 0x802
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define TPM_ERR_DEACTIVATED     0x6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define TPM_ERR_DISABLED        0x7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) #define TPM_ERR_INVALID_POSTINIT 38
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define TPM_TAG_RQU_COMMAND 193
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) /* TPM2 specific constants. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define TPM2_SPACE_BUFFER_SIZE		16384 /* 16 kB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) struct	stclear_flags_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	__be16	tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	u8	deactivated;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	u8	disableForceClear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	u8	physicalPresence;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	u8	physicalPresenceLock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	u8	bGlobalLock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) struct tpm1_version {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	u8 major;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	u8 minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	u8 rev_major;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	u8 rev_minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) struct tpm1_version2 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	__be16 tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	struct tpm1_version version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) struct	timeout_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	__be32	a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	__be32	b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	__be32	c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	__be32	d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) struct duration_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	__be32	tpm_short;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	__be32	tpm_medium;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	__be32	tpm_long;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) struct permanent_flags_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	__be16	tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	u8	disable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	u8	ownership;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	u8	deactivated;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	u8	readPubek;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	u8	disableOwnerClear;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	u8	allowMaintenance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	u8	physicalPresenceLifetimeLock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	u8	physicalPresenceHWEnable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	u8	physicalPresenceCMDEnable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	u8	CEKPUsed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	u8	TPMpost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	u8	TPMpostLock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	u8	FIPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	u8	operator;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	u8	enableRevokeEK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	u8	nvLocked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	u8	readSRKPub;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	u8	tpmEstablished;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	u8	maintenanceDone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	u8	disableFullDALogicInfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) typedef union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	struct	permanent_flags_t perm_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	struct	stclear_flags_t	stclear_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	__u8	owned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	__be32	num_pcrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	struct tpm1_version version1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct tpm1_version2 version2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	__be32	manufacturer_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct timeout_t  timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct duration_t duration;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) } cap_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) enum tpm_capabilities {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	TPM_CAP_FLAG = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	TPM_CAP_PROP = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	TPM_CAP_VERSION_1_1 = 0x06,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	TPM_CAP_VERSION_1_2 = 0x1A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) enum tpm_sub_capabilities {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	TPM_CAP_PROP_PCR = 0x101,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	TPM_CAP_PROP_MANUFACTURER = 0x103,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	TPM_CAP_FLAG_PERM = 0x108,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	TPM_CAP_FLAG_VOL = 0x109,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	TPM_CAP_PROP_OWNER = 0x111,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	TPM_CAP_PROP_TIS_TIMEOUT = 0x115,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	TPM_CAP_PROP_TIS_DURATION = 0x120,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) /* 128 bytes is an arbitrary cap. This could be as large as TPM_BUFSIZE - 18
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)  * bytes, but 128 is still a relatively large number of random bytes and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  * anything much bigger causes users of struct tpm_cmd_t to start getting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  * compiler warnings about stack frame size. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) #define TPM_MAX_RNG_DATA	128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) extern struct class *tpm_class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) extern struct class *tpmrm_class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) extern dev_t tpm_devt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) extern const struct file_operations tpm_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) extern const struct file_operations tpmrm_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) extern struct idr dev_nums_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ssize_t tpm_transmit(struct tpm_chip *chip, u8 *buf, size_t bufsiz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int tpm_get_timeouts(struct tpm_chip *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int tpm_auto_startup(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int tpm1_pm_suspend(struct tpm_chip *chip, u32 tpm_suspend_pcr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int tpm1_auto_startup(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int tpm1_do_selftest(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int tpm1_get_timeouts(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) unsigned long tpm1_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int tpm1_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, const u8 *hash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		    const char *log_msg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int tpm1_pcr_read(struct tpm_chip *chip, u32 pcr_idx, u8 *res_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) ssize_t tpm1_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		    const char *desc, size_t min_cap_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int tpm1_get_random(struct tpm_chip *chip, u8 *out, size_t max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int tpm1_get_pcr_allocation(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int tpm_pm_suspend(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int tpm_pm_resume(struct device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) static inline void tpm_msleep(unsigned int delay_msec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	usleep_range((delay_msec * 1000) - TPM_TIMEOUT_RANGE_US,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		     delay_msec * 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) int tpm_chip_start(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) void tpm_chip_stop(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct tpm_chip *tpm_find_get_ops(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) struct tpm_chip *tpm_chip_alloc(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 				const struct tpm_class_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) struct tpm_chip *tpmm_chip_alloc(struct device *pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				 const struct tpm_class_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int tpm_chip_register(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) void tpm_chip_unregister(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) void tpm_sysfs_add_device(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) #ifdef CONFIG_ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) extern void tpm_add_ppi(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static inline void tpm_add_ppi(struct tpm_chip *chip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int tpm2_get_timeouts(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) int tpm2_pcr_read(struct tpm_chip *chip, u32 pcr_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		  struct tpm_digest *digest, u16 *digest_size_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		    struct tpm_digest *digests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) int tpm2_get_random(struct tpm_chip *chip, u8 *dest, size_t max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			u32 *value, const char *desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) ssize_t tpm2_get_pcr_allocation(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) int tpm2_auto_startup(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) int tpm2_probe(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) int tpm2_find_cc(struct tpm_chip *chip, u32 cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) int tpm2_init_space(struct tpm_space *space, unsigned int buf_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) void tpm2_del_space(struct tpm_chip *chip, struct tpm_space *space);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) void tpm2_flush_space(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u8 *cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		       size_t cmdsiz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space, void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		      size_t *bufsiz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) int tpm_devs_add(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) void tpm_devs_remove(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) void tpm_bios_log_setup(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) void tpm_bios_log_teardown(struct tpm_chip *chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int tpm_dev_common_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) void tpm_dev_common_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #endif