Hi All,
Here is a ton of patches working on the state framework:
- make code easier to follow
- Drop cached backend, replace with open coded more direct code
- drop backend as extra struct type
- drop lazy init code
- update documentation
- Add keystore command
Using authenticated state requires hardware support which currently
is only available for i.MX6. At least for testing purposes a keystore
command to set keys is useful. This way authenticated state can be
tested without hardware support
- more robust conversion of the backend path to a device node
- make work better with NOR flash: The current code ended up reading
from NOR Flash byte by byte which was painfully slow
----------------------------------------------------------------
Sascha Hauer (42):
state: Make pointing to the backend using a phandle the only supported method
state: Use positive logic
state: backend: remove .get_packed_len
state: backend: remove len_hint argument from state_storage_read
state: Drop backend as extra struct type
state: merge backend.c into state.c
state: open code state_backend_init in caller
state: remove unnecessary argument from state_format_init
state: pass struct state * to storage functions
state: storage: initialize variable once outside loop
state: backend_circular: Read whole PEB
state: drop lazy_init
state: simplify direct backend
state: replace len_hint logic
state: Convert all bufs to void *
state: Drop cache bucket
state: backend-direct: Fix max_size
state: bucket: Make output more informative
state: backend_bucket_direct: max_size is always given
state: backend: Add more fields to struct state_backend_storage
state: backend_circular: remove unnecessary warning
state: storage: direct: do not close file that is not opened
state: backend: Add some documentation
state: backend_circular: default to circular storage
state: backend_circular: rewrite function doc
state: backend_storage: Rename variable nr_copies to n_buckets
state: backend_storage: Rename variable desired_copies to desired_buckets
state: backend_storage: rewrite function doc
state: backend_storage: make locally used variable static
state: backend_storage: rename more variables
keystore: implement forgetting secrets
commands: implement keystore command
commands: state: allow loading state with -l
crypto: digest: initialize earlier
state: backend_raw: alloc digest only when needed
state: backend_circular: Set minumum writesize to 8
state: backend bucket circular: Explain metadata
state: Allow to load without authentification
state: Update documentation
state: Do not load state during state_new_from_node
state: Remove -EUCLEAN check from userspace tool
state: find device node from device path, not from device node path
.../devicetree/bindings/barebox/barebox,state.rst | 33 +-
Documentation/user/state.rst | 33 +-
commands/Kconfig | 6 +
commands/Makefile | 1 +
commands/keystore.c | 100 +++++
commands/state.c | 21 +-
common/state/Makefile | 2 -
common/state/backend.c | 189 ---------
common/state/backend_bucket_cached.c | 155 -------
common/state/backend_bucket_circular.c | 96 ++---
common/state/backend_bucket_direct.c | 20 +-
common/state/backend_format_dtb.c | 13 +-
common/state/backend_format_raw.c | 127 +++---
common/state/backend_storage.c | 456 ++++++++-------------
common/state/state.c | 188 +++++++--
common/state/state.h | 71 ++--
crypto/hmac.c | 2 +-
crypto/keystore.c | 53 ++-
crypto/sha1.c | 2 +-
crypto/sha2.c | 2 +-
crypto/sha4.c | 2 +-
drivers/misc/state.c | 6 +
include/crypto/keystore.h | 4 +
include/state.h | 1 +
24 files changed, 713 insertions(+), 870 deletions(-)
create mode 100644 commands/keystore.c
delete mode 100644 common/state/backend.c
delete mode 100644 common/state/backend_bucket_cached.c
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