diff options
Diffstat (limited to 'lib/efi_loader/efi_tcg2.c')
| -rw-r--r-- | lib/efi_loader/efi_tcg2.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c index ec20530b6b..586f73af6d 100644 --- a/lib/efi_loader/efi_tcg2.c +++ b/lib/efi_loader/efi_tcg2.c @@ -22,7 +22,8 @@ #include <u-boot/sha1.h> #include <u-boot/sha256.h> #include <u-boot/sha512.h> -#include <linux/unaligned/access_ok.h> +#include <linux/unaligned/be_byteshift.h> +#include <linux/unaligned/le_byteshift.h> #include <linux/unaligned/generic.h> #include <hexdump.h> @@ -1033,13 +1034,39 @@ out: * Return: status code */ static efi_status_t EFIAPI -efi_tcg2_submit_command(__maybe_unused struct efi_tcg2_protocol *this, - u32 __maybe_unused input_param_block_size, - u8 __maybe_unused *input_param_block, - u32 __maybe_unused output_param_block_size, - u8 __maybe_unused *output_param_block) +efi_tcg2_submit_command(struct efi_tcg2_protocol *this, + u32 input_param_block_size, + u8 *input_param_block, + u32 output_param_block_size, + u8 *output_param_block) { - return EFI_UNSUPPORTED; + struct udevice *dev; + efi_status_t ret; + u32 rc; + size_t resp_buf_size = output_param_block_size; + + EFI_ENTRY("%p, %u, %p, %u, %p", this, input_param_block_size, + input_param_block, output_param_block_size, output_param_block); + + if (!this || !input_param_block || !input_param_block_size) { + ret = EFI_INVALID_PARAMETER; + goto out; + } + + ret = platform_get_tpm2_device(&dev); + if (ret != EFI_SUCCESS) + goto out; + + rc = tpm2_submit_command(dev, input_param_block, + output_param_block, &resp_buf_size); + if (rc) { + ret = (rc == -ENOSPC) ? EFI_OUT_OF_RESOURCES : EFI_DEVICE_ERROR; + + goto out; + } + +out: + return EFI_EXIT(ret); } /** |