From 4c57ec76b7254cf1743748b70239bddf6100237a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 30 Aug 2022 21:05:37 -0600 Subject: tpm: Implement state command for Cr50 Add a vendor-specific TPM2 command for this and implement it for Cr50. Note: This is not part of the TPM spec, but is a Cr50 extension. Signed-off-by: Simon Glass Reviewed-by: Ilias Apalodimas Signed-off-by: Ilias Apalodimas --- include/tpm-v2.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/tpm-v2.h b/include/tpm-v2.h index e79c90b9395..36c6ac0be6e 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -658,4 +658,17 @@ u32 tpm2_disable_platform_hierarchy(struct udevice *dev); u32 tpm2_submit_command(struct udevice *dev, const u8 *sendbuf, u8 *recvbuf, size_t *recv_size); +/** + * tpm_cr50_report_state() - Report the Cr50 internal state + * + * @dev: TPM device + * @vendor_cmd: Vendor command number to send + * @vendor_subcmd: Vendor sub-command number to send + * @recvbuf: Buffer to save the response to + * @recv_size: Pointer to the size of the response buffer + * Return: result of the operation + */ +u32 tpm2_report_state(struct udevice *dev, uint vendor_cmd, uint vendor_subcmd, + u8 *recvbuf, size_t *recv_size); + #endif /* __TPM_V2_H */ -- cgit v1.3.1