[PATCH v9 0/3] crypto: Add EIP-93 crypto engine support

Christian Marangi
2024-12-14T13:28:45Z

This small series add support for the Inside Secure EIP-93.
This is a predecessor of the current supported EIP197. It doesn't
require a firmware but instead it's embedded in the SoC.

First patch extend guard for spinlock_bh.

The other actually implement Documentation and Driver.

The Driver pass all the normal selft test for the supported
algo and also pass the EXTRA test with fuzz_iterations set to 10000.

Changes v9:
- Rework hash code to alloc DMA only when needed
- Rework hash code to only alloc needed blocks and use
local struct in req for everything else
- Rework hash code to use GFP_ATOMIC
- Simplify hash update function
- Generalize hmac key set function
Changes v8:
- Rework export and update to not sleep on exporting state
(consume pending packet in update and return -EINPROGRESS)
Changes v7:
- Fix copypaste error in __eip93_hash_init
- Rework import/export to actually export the partial hash
(we actually unmap DMA on export)
- Rename no_finalize variable to better partial_hash
- Rename 3rd commit title and drop Mediatek from title.
- Add Cover Letter
- Add Reviewed-by to DT commit
(cumulative changes from old series that had changelog in each patch)
Changes v6:
- Add SoC specific compatible
- Add now supported entry for compatible with no user
Changes v5:
- Add Ack tag to guard patch
- Comment out compatible with no current user
- Fix smatch warning (reported by Dan Carpenter)
Changes v4:
- Out of RFC
- Add missing bitfield.h
- Drop useless header
Changes v3:
- Mute warning from Clang about C23
- Fix not inizialized err
- Drop unused variable
- Add SoC compatible with generic one
Changes v2:
- Rename all variables from mtk to eip93
- Move to inside-secure directory
- Check DMA map errors
- Use guard API for spinlock
- Minor improvements to code
- Add guard patch
- Change to better compatible
- Add description for EIP93 models

Christian Marangi (3):
spinlock: extend guard with spinlock_bh variants
dt-bindings: crypto: Add Inside Secure SafeXcel EIP-93 crypto engine
crypto: Add Inside Secure SafeXcel EIP-93 crypto engine support

.../crypto/inside-secure,safexcel-eip93.yaml | 67 ++
MAINTAINERS | 7 +
drivers/crypto/Kconfig | 1 +
drivers/crypto/Makefile | 1 +
drivers/crypto/inside-secure/eip93/Kconfig | 20 +
drivers/crypto/inside-secure/eip93/Makefile | 5 +
.../crypto/inside-secure/eip93/eip93-aead.c | 711 ++++++++++++++
.../crypto/inside-secure/eip93/eip93-aead.h | 38 +
.../crypto/inside-secure/eip93/eip93-aes.h | 16 +
.../crypto/inside-secure/eip93/eip93-cipher.c | 413 +++++++++
.../crypto/inside-secure/eip93/eip93-cipher.h | 60 ++
.../crypto/inside-secure/eip93/eip93-common.c | 816 +++++++++++++++++
.../crypto/inside-secure/eip93/eip93-common.h | 24 +
.../crypto/inside-secure/eip93/eip93-des.h | 16 +
.../crypto/inside-secure/eip93/eip93-hash.c | 866 ++++++++++++++++++
.../crypto/inside-secure/eip93/eip93-hash.h | 82 ++
.../crypto/inside-secure/eip93/eip93-main.c | 502 ++++++++++
.../crypto/inside-secure/eip93/eip93-main.h | 152 +++
.../crypto/inside-secure/eip93/eip93-regs.h | 335 +++++++
include/linux/spinlock.h | 13 +
20 files changed, 4145 insertions(+)
create mode 100644 Documentation/devicetree/bindings/crypto/inside-secure,safexcel-eip93.yaml
create mode 100644 drivers/crypto/inside-secure/eip93/Kconfig
create mode 100644 drivers/crypto/inside-secure/eip93/Makefile
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-aead.c
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-aead.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-aes.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-cipher.c
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-cipher.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-common.c
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-common.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-des.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-hash.c
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-hash.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-main.c
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-main.h
create mode 100644 drivers/crypto/inside-secure/eip93/eip93-regs.h

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2.45.2