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efi_loader: add EFI_TCG2_PROTOCOL.SubmitCommand

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This commit adds the EFI_TCG2_PROTOCOL.SubmitCommand
required in the TCG PC Client PFP spec.
SubmitCommand enables to send the raw command to the TPM device.

To implement this api, tpm2_submit_command() is added
into tpm-v2.c.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Masahisa Kojima 2021-11-04 22:59:16 +09:00 • committed by Heinrich Schuchardt
parent 14cbb330fe
commit 7fc93cae49
3 changed files with 51 additions and 6 deletions
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13
include/tpm-v2.h
View file

@ -641,4 +641,17 @@ u32 tpm2_write_lock(struct udevice *dev, u32 index);
*/
u32 tpm2_disable_platform_hierarchy(struct udevice *dev);
/**
* submit user specified data to the TPM and get response
*
* @dev TPM device
* @sendbuf: Buffer of the data to send
* @recvbuf: Buffer to save the response to
* @recv_size: Pointer to the size of the response buffer
*
* @return code of the operation
*/
u32 tpm2_submit_command(struct udevice *dev, const u8 *sendbuf,
u8 *recvbuf, size_t *recv_size);
#endif /* __TPM_V2_H */