efi/libstub: Fall back to CC proto for measurement
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- v3 Latest5 patches 4 repliesIn review
- v25 patches 3 repliesSuperseded
- v14 patches 16 repliesSuperseded
Changes since v1 from the cover letter
- add patch to switch to the TCG2 spec's symbolic GUID name for the final events table
- omit flex array member in efi_cc_event_t
- avoid version confusion between CC and TCG2 both using version 2
Patches in v3 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/5 | efi/libstub: Use correct event size when measuring data into the TPMdrivers/ drivers/ | +17 | 4 replies | |
| 2/5 | efi/tpm: Use symbolic GUID name from spec for final events tabledrivers/ drivers/ include/ | +3 | 0 replies | |
| 3/5 | efi/libstub: Add Confidential Computing (CC) measurement typedefsdrivers/ include/ | +80 | 0 replies | |
| 4/5 | efi/libstub: Measure into CC protocol if TCG2 protocol is absentdrivers/ | +62 | 0 replies | |
| 5/5 | efi/libstub: Add get_event_log() support for CC platformsdrivers/ drivers/ drivers/ +3 more | +61 | 0 replies |
Reviews trailers per patch
2 of 5 patches have a Reviewed-by or Acked-by.
| Patch | Kuppuswamy Sathyanarayanan | Ilias Apalodimas |
|---|---|---|
| 1/5 | ||
| 2/5 | R-b | R-b |
| 3/5 | ||
| 4/5 | R-b | |
| 5/5 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH v3 0/5] efi/libstub: Fall back to CC proto for measurement
From: Ard Biesheuvel <[email protected]>
This is a follow-up to Kuppuswamy's series [0] to add TDX based measurement of the initrd and command line to the EFI stub.
Changes since v2 [1]:
- fix incorrect assertion that efi_tcg2_tagged_event is a local invention; it comes from the TCG PC Client spec
- fix deviation from TCG PC Client spec in how the event size field is populated
Changes since v1:
- add patch to switch to the TCG2 spec's symbolic GUID name for the final events table
- omit flex array member in efi_cc_event_t
- avoid version confusion between CC and TCG2 both using version 2
[0] https://lore.kernel.org/all/20240215030002.281456-1-sathyanarayanan.kuppuswamy@linux.intel.com/
[1] https://lkml.kernel.org/r/20240307162214.272314-7-ardb%2Bgit%40google.com
Ard Biesheuvel (3):
efi/libstub: Use correct event size when measuring data into the TPM efi/tpm: Use symbolic GUID name from spec for final events table efi/libstub: Measure into CC protocol if TCG2 protocol is absent
Kuppuswamy Sathyanarayanan (2):
efi/libstub: Add Confidential Computing (CC) measurement typedefs efi/libstub: Add get_event_log() support for CC platforms
drivers/firmware/efi/efi.c | 3 +- drivers/firmware/efi/libstub/efi-stub-helper.c | 98 ++++++++++++++------ drivers/firmware/efi/libstub/efi-stub.c | 2 +- drivers/firmware/efi/libstub/efistub.h | 95 +++++++++++++++++-- drivers/firmware/efi/libstub/tpm.c | 82 ++++++++++------ drivers/firmware/efi/libstub/x86-stub.c | 2 +- include/linux/efi.h | 4 +- 7 files changed, 219 insertions(+), 67 deletions(-)
Signature · 1 line
2.44.0.278.ge034bb2e1d-goog