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| author | Tom Rini <trini@konsulko.com> | 2021-11-07 23:00:29 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-11-07 23:00:29 -0500 |
| commit | f8ed9059001d803b0eae4b49178789aa0e29edec (patch) | |
| tree | 5742b9a5d71cafcdc7a20c6c618122b8b82adc59 /lib/efi_loader/efi_tcg2.c | |
| parent | 52207514ba419a69a8105d16997b025f966c8879 (diff) | |
| parent | f8d7e6e941321e40c4afa39635116ca4144c4f29 (diff) | |
Merge tag 'efi-2022-01-rc2' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-01-rc2
Documentation:
* improve description of mmc rescan
* remove obsolete PPC documenation
UEFI
* Provide unit test for the EFI_TCG2_PROTOCOL
* Implement add EFI_TCG2_PROTOCOL.SubmitCommand
* Start the implementation of a 64 bit EFI app
* Reduce rcar3_salvator-x image size
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); } /** |