diff options
Diffstat (limited to 'drivers/char/tpm/tpm.h')
| -rw-r--r-- | drivers/char/tpm/tpm.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index de0c796fce8..10cb450191a 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -25,23 +25,38 @@ #include <linux/fs.h> #include <linux/miscdevice.h> -#define TPM_TIMEOUT msecs_to_jiffies(5) +enum tpm_timeout { + TPM_TIMEOUT = 5, /* msecs */ +}; /* TPM addresses */ -#define TPM_ADDR 0x4E -#define TPM_DATA 0x4F +enum tpm_addr { + TPM_ADDR = 0x4E, + TPM_DATA = 0x4F +}; + +extern ssize_t tpm_show_pubek(struct device *, struct device_attribute *attr, + char *); +extern ssize_t tpm_show_pcrs(struct device *, struct device_attribute *attr, + char *); +extern ssize_t tpm_show_caps(struct device *, struct device_attribute *attr, + char *); +extern ssize_t tpm_store_cancel(struct device *, struct device_attribute *attr, + const char *, size_t); struct tpm_chip; struct tpm_vendor_specific { u8 req_complete_mask; u8 req_complete_val; + u8 req_canceled; u16 base; /* TPM base address */ int (*recv) (struct tpm_chip *, u8 *, size_t); int (*send) (struct tpm_chip *, u8 *, size_t); void (*cancel) (struct tpm_chip *); struct miscdevice miscdev; + struct attribute_group *attr_group; }; struct tpm_chip { @@ -58,8 +73,6 @@ struct tpm_chip { struct timer_list user_read_timer; /* user needs to claim result */ struct semaphore tpm_mutex; /* tpm is processing */ - struct timer_list device_timer; /* tpm is processing */ - struct semaphore timer_manipulation_mutex; struct tpm_vendor_specific *vendor; @@ -78,9 +91,6 @@ static inline void tpm_write_index(int index, int value) outb(value & 0xFF, TPM_DATA); } -extern void tpm_time_expired(unsigned long); -extern int tpm_lpc_bus_init(struct pci_dev *, u16); - extern int tpm_register_hardware(struct pci_dev *, struct tpm_vendor_specific *); extern int tpm_open(struct inode *, struct file *); |