diff options
author | Kylene Jo Hall <kjhall@us.ibm.com> | 2006-01-08 09:03:15 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 04:13:55 (GMT) |
commit | 55a82ab3181be039c6440d3f2f69260ad6fe2988 (patch) | |
tree | 6acf566ae3831b0f4f8b428fbaa0e335bc7a2691 /drivers/char/tpm/tpm.h | |
parent | 485a6435abc3897934ce0dc530e31db93e9296a6 (diff) | |
download | linux-fsl-qoriq-55a82ab3181be039c6440d3f2f69260ad6fe2988.tar.xz |
[PATCH] tpm: add bios measurement log
According to the TCG specifications measurements or hashes of the BIOS code
and data are extended into TPM PCRS and a log is kept in an ACPI table of
these extensions for later validation if desired. This patch exports the
values in the ACPI table through a security-fs seq_file.
Signed-off-by: Seiji Munetoh <munetoh@jp.ibm.com>
Signed-off-by: Stefan Berger <stefanb@us.ibm.com>
Signed-off-by: Reiner Sailer <sailer@us.ibm.com>
Signed-off-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char/tpm/tpm.h')
-rw-r--r-- | drivers/char/tpm/tpm.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 159882c..fd3a4be 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -82,6 +82,8 @@ struct tpm_chip { struct tpm_vendor_specific *vendor; + struct dentry **bios_dir; + struct list_head list; }; @@ -107,3 +109,16 @@ extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *); extern void tpm_remove_hardware(struct device *); extern int tpm_pm_suspend(struct device *, pm_message_t); extern int tpm_pm_resume(struct device *); + +#ifdef CONFIG_ACPI +extern struct dentry ** tpm_bios_log_setup(char *); +extern void tpm_bios_log_teardown(struct dentry **); +#else +static inline struct dentry* tpm_bios_log_setup(char *name) +{ + return NULL; +} +static inline void tpm_bios_log_teardown(struct dentry **dir) +{ +} +#endif |