X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fchar%2Ftpm%2Ftpm.h;h=8e00b4ddd0830699bca8bab65c3e855657b21978;hb=cec4a69cfc2bc780b4107193cb9bd621b67ab2b6;hp=e885148b4cfbd0b177f77b87e6e629511db16983;hpb=5bd91f18be2fc0dd0384fbfca6d3cdd79a8050dd;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index e885148..8e00b4d 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -26,6 +26,7 @@ #include #include #include +#include enum tpm_timeout { TPM_TIMEOUT = 5, /* msecs */ @@ -90,7 +91,7 @@ struct tpm_chip { struct device *dev; /* Device stuff */ int dev_num; /* /dev/tpm# */ - int num_opens; /* only one allowed */ + unsigned long is_open; /* only one allowed */ int time_expired; /* Data passed to and from the tpm via the read/write calls */ @@ -123,6 +124,147 @@ static inline void tpm_write_index(int base, int index, int value) outb(index, base); outb(value & 0xFF, base+1); } +struct tpm_input_header { + __be16 tag; + __be32 length; + __be32 ordinal; +}__attribute__((packed)); + +struct tpm_output_header { + __be16 tag; + __be32 length; + __be32 return_code; +}__attribute__((packed)); + +struct stclear_flags_t { + __be16 tag; + u8 deactivated; + u8 disableForceClear; + u8 physicalPresence; + u8 physicalPresenceLock; + u8 bGlobalLock; +}__attribute__((packed)); + +struct tpm_version_t { + u8 Major; + u8 Minor; + u8 revMajor; + u8 revMinor; +}__attribute__((packed)); + +struct tpm_version_1_2_t { + __be16 tag; + u8 Major; + u8 Minor; + u8 revMajor; + u8 revMinor; +}__attribute__((packed)); + +struct timeout_t { + __be32 a; + __be32 b; + __be32 c; + __be32 d; +}__attribute__((packed)); + +struct duration_t { + __be32 tpm_short; + __be32 tpm_medium; + __be32 tpm_long; +}__attribute__((packed)); + +struct permanent_flags_t { + __be16 tag; + u8 disable; + u8 ownership; + u8 deactivated; + u8 readPubek; + u8 disableOwnerClear; + u8 allowMaintenance; + u8 physicalPresenceLifetimeLock; + u8 physicalPresenceHWEnable; + u8 physicalPresenceCMDEnable; + u8 CEKPUsed; + u8 TPMpost; + u8 TPMpostLock; + u8 FIPS; + u8 operator; + u8 enableRevokeEK; + u8 nvLocked; + u8 readSRKPub; + u8 tpmEstablished; + u8 maintenanceDone; + u8 disableFullDALogicInfo; +}__attribute__((packed)); + +typedef union { + struct permanent_flags_t perm_flags; + struct stclear_flags_t stclear_flags; + bool owned; + __be32 num_pcrs; + struct tpm_version_t tpm_version; + struct tpm_version_1_2_t tpm_version_1_2; + __be32 manufacturer_id; + struct timeout_t timeout; + struct duration_t duration; +} cap_t; + +struct tpm_getcap_params_in { + __be32 cap; + __be32 subcap_size; + __be32 subcap; +}__attribute__((packed)); + +struct tpm_getcap_params_out { + __be32 cap_size; + cap_t cap; +}__attribute__((packed)); + +struct tpm_readpubek_params_out { + u8 algorithm[4]; + u8 encscheme[2]; + u8 sigscheme[2]; + u8 parameters[12]; /*assuming RSA*/ + __be32 keysize; + u8 modulus[256]; + u8 checksum[20]; +}__attribute__((packed)); + +typedef union { + struct tpm_input_header in; + struct tpm_output_header out; +} tpm_cmd_header; + +#define TPM_DIGEST_SIZE 20 +struct tpm_pcrread_out { + u8 pcr_result[TPM_DIGEST_SIZE]; +}__attribute__((packed)); + +struct tpm_pcrread_in { + __be32 pcr_idx; +}__attribute__((packed)); + +struct tpm_pcrextend_in { + __be32 pcr_idx; + u8 hash[TPM_DIGEST_SIZE]; +}__attribute__((packed)); + +typedef union { + struct tpm_getcap_params_out getcap_out; + struct tpm_readpubek_params_out readpubek_out; + u8 readpubek_out_buffer[sizeof(struct tpm_readpubek_params_out)]; + struct tpm_getcap_params_in getcap_in; + struct tpm_pcrread_in pcrread_in; + struct tpm_pcrread_out pcrread_out; + struct tpm_pcrextend_in pcrextend_in; +} tpm_cmd_params; + +struct tpm_cmd_t { + tpm_cmd_header header; + tpm_cmd_params params; +}__attribute__((packed)); + +ssize_t tpm_getcap(struct device *, __be32, cap_t *, const char *); extern void tpm_get_timeouts(struct tpm_chip *); extern void tpm_gen_interrupt(struct tpm_chip *); @@ -132,6 +274,7 @@ extern struct tpm_chip* tpm_register_hardware(struct device *, const struct tpm_vendor_specific *); extern int tpm_open(struct inode *, struct file *); extern int tpm_release(struct inode *, struct file *); +extern void tpm_dev_vendor_release(struct tpm_chip *); extern ssize_t tpm_write(struct file *, const char __user *, size_t, loff_t *); extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *);