diff options
Diffstat (limited to 'drivers/char/tpm/tpm.h')
| -rw-r--r-- | drivers/char/tpm/tpm.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 72ff18c872d3..3409acf953f3 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -27,6 +27,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/tpm.h> +#include <linux/acpi.h> enum tpm_const { TPM_MINOR = 224, /* officially assigned */ @@ -94,8 +95,11 @@ struct tpm_vendor_specific { #define TPM_VID_WINBOND 0x1050 #define TPM_VID_STM 0x104A +#define TPM_PPI_VERSION_LEN 3 + enum tpm_chip_flags { TPM_CHIP_FLAG_REGISTERED = BIT(0), + TPM_CHIP_FLAG_PPI = BIT(1), }; struct tpm_chip { @@ -114,6 +118,11 @@ struct tpm_chip { struct dentry **bios_dir; +#ifdef CONFIG_ACPI + acpi_handle acpi_dev_handle; + char ppi_version[TPM_PPI_VERSION_LEN + 1]; +#endif /* CONFIG_ACPI */ + struct list_head list; }; @@ -345,15 +354,15 @@ void tpm_sysfs_del_device(struct tpm_chip *chip); int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf); #ifdef CONFIG_ACPI -extern int tpm_add_ppi(struct kobject *); -extern void tpm_remove_ppi(struct kobject *); +extern int tpm_add_ppi(struct tpm_chip *chip); +extern void tpm_remove_ppi(struct tpm_chip *chip); #else -static inline int tpm_add_ppi(struct kobject *parent) +static inline int tpm_add_ppi(struct tpm_chip *chip) { return 0; } -static inline void tpm_remove_ppi(struct kobject *parent) +static inline void tpm_remove_ppi(struct tpm_chip *chip) { } #endif |