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| author | Clément Léger <cleger@rivosinc.com> | 2023-11-14 17:12:40 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-12-13 02:45:01 +0300 |
| commit | 794983f292cd71b27106f1226360b2cf0f4a881b (patch) | |
| tree | 7d819d1b3662d5df1bb61c6b9fa71865ac28d5d0 /arch/riscv | |
| parent | 0d8295ed975b6df487f0b4018770a60b070fc76d (diff) | |
| download | linux-794983f292cd71b27106f1226360b2cf0f4a881b.tar.xz | |
riscv: hwprobe: add support for scalar crypto ISA extensions
Export the following scalar crypto extensions through hwprobe:
- Zbkb
- Zbkc
- Zbkx
- Zknd
- Zkne
- Zknh
- Zksed
- Zksh
- Zkt
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-5-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/include/uapi/asm/hwprobe.h | 9 | ||||
| -rw-r--r-- | arch/riscv/kernel/sys_riscv.c | 10 |
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index aca5abc7ebee..624abd5cde29 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -31,6 +31,15 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZBS (1 << 5) #define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6) #define RISCV_HWPROBE_EXT_ZBC (1 << 7) +#define RISCV_HWPROBE_EXT_ZBKB (1 << 8) +#define RISCV_HWPROBE_EXT_ZBKC (1 << 9) +#define RISCV_HWPROBE_EXT_ZBKX (1 << 10) +#define RISCV_HWPROBE_EXT_ZKND (1 << 11) +#define RISCV_HWPROBE_EXT_ZKNE (1 << 12) +#define RISCV_HWPROBE_EXT_ZKNH (1 << 13) +#define RISCV_HWPROBE_EXT_ZKSED (1 << 14) +#define RISCV_HWPROBE_EXT_ZKSH (1 << 15) +#define RISCV_HWPROBE_EXT_ZKT (1 << 16) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 7a40145e9628..43aa66e71418 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -163,6 +163,16 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, EXT_KEY(ZBS); EXT_KEY(ZICBOZ); EXT_KEY(ZBC); + + EXT_KEY(ZBKB); + EXT_KEY(ZBKC); + EXT_KEY(ZBKX); + EXT_KEY(ZKND); + EXT_KEY(ZKNE); + EXT_KEY(ZKNH); + EXT_KEY(ZKSED); + EXT_KEY(ZKSH); + EXT_KEY(ZKT); #undef EXT_KEY } |