tpm: Introduce function to poll for result of self test

This patch introduces a function that runs the TPM_ContinueSelfTest()
function and then polls the TPM to check whether it finished the selftest
and can receive new commands.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 5d2be8ae1b48..e264de16285f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -38,6 +38,8 @@ enum tpm_addr {
         TPM_ADDR = 0x4E,
 };
 
+#define TPM_WARN_DOING_SELFTEST 0x802
+
 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,
@@ -281,7 +283,7 @@ ssize_t	tpm_getcap(struct device *, __be32, cap_t *, const char *);
 
 extern int tpm_get_timeouts(struct tpm_chip *);
 extern void tpm_gen_interrupt(struct tpm_chip *);
-extern int tpm_continue_selftest(struct tpm_chip *);
+extern int tpm_do_selftest(struct tpm_chip *);
 extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
 extern struct tpm_chip* tpm_register_hardware(struct device *,
                                  const struct tpm_vendor_specific *);