diff options
| author |   Will Deacon <will@kernel.org> | 2021-02-12 15:13:14 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-02-12 15:13:14 +0000 |
| commit | 9dc8313cfd0b13771aedd8a53fca3438c7cbb880 (patch) | |
| tree | 469bd4e14861b0fa342800cf93747127e8de0092 /include/linux | |
| parent | Merge branch 'for-next/random' into for-next/core (diff) | |
| parent | arm64: Add support for SMCCC TRNG entropy source (diff) | |
| download | wireguard-linux-9dc8313cfd0b13771aedd8a53fca3438c7cbb880.tar.xz wireguard-linux-9dc8313cfd0b13771aedd8a53fca3438c7cbb880.zip | |
Merge branch 'for-next/rng' into for-next/core
Add support for the TRNG firmware call introduced by Arm spec DEN0098.
* for-next/rng:
arm64: Add support for SMCCC TRNG entropy source
firmware: smccc: Introduce SMCCC TRNG framework
firmware: smccc: Add SMCCC TRNG function call IDs
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/arm-smccc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index f860645f6512..62c54234576c 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -102,6 +102,37 @@ ARM_SMCCC_OWNER_STANDARD_HYP, \ 0x21) +/* TRNG entropy source calls (defined by ARM DEN0098) */ +#define ARM_SMCCC_TRNG_VERSION \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x50) + +#define ARM_SMCCC_TRNG_FEATURES \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x51) + +#define ARM_SMCCC_TRNG_GET_UUID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x52) + +#define ARM_SMCCC_TRNG_RND32 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x53) + +#define ARM_SMCCC_TRNG_RND64 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x53) + /* * Return codes defined in ARM DEN 0070A * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C |