- Add 2 new registers for invoking the start method and add CRB_INTF_CAP_CRB_CHUNK as the new TCG TPM specifies this CRB Interface Identifier that decides if chunking is allowed. - Refer section 6.4.2.2 of the specification document [1]
[1] https://trustedcomputinggroup.org/wp-content/uploads/PC-Client-Specific-Platform-TPM-Profile-for-TPM-2p0-v1p07_rc1_121225.pdf Signed-off-by: Arun Menon <[email protected]> --- drivers/char/tpm/tpm_crb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 6c25305c256ef..67c0061d4cab7 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -56,12 +56,18 @@ enum crb_ctrl_sts { enum crb_start { CRB_START_INVOKE = BIT(0), + CRB_START_RESP_RETRY = BIT(1), + CRB_START_NEXT_CHUNK = BIT(2), }; enum crb_cancel { CRB_CANCEL_INVOKE = BIT(0), }; +enum crb_intf { + CRB_INTF_CAP_CRB_CHUNK = BIT(10), +}; + struct crb_regs_head { u32 loc_state; u32 reserved1; -- 2.53.0
