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RISC-V: KVM: Allow scalar crypto extensions for Guest/VM

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We extend the KVM ISA extension ONE_REG interface to allow KVM
user space to detect and enable scalar crypto extensions for
Guest/VM. This includes extensions Zbkb, Zbkc, Zbkx, Zknd, Zkne,
Zknh, Zkr, Zksed, Zksh, and Zkt.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2023-11-27 20:36:36 +05:30
committed by Anup Patel
parent ac39614130
commit f370b4e668
2 changed files with 30 additions and 0 deletions
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10
arch/riscv/include/uapi/asm/kvm.h
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@@ -140,6 +140,16 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_SMSTATEEN,
KVM_RISCV_ISA_EXT_ZICOND,
KVM_RISCV_ISA_EXT_ZBC,
KVM_RISCV_ISA_EXT_ZBKB,
KVM_RISCV_ISA_EXT_ZBKC,
KVM_RISCV_ISA_EXT_ZBKX,
KVM_RISCV_ISA_EXT_ZKND,
KVM_RISCV_ISA_EXT_ZKNE,
KVM_RISCV_ISA_EXT_ZKNH,
KVM_RISCV_ISA_EXT_ZKR,
KVM_RISCV_ISA_EXT_ZKSED,
KVM_RISCV_ISA_EXT_ZKSH,
KVM_RISCV_ISA_EXT_ZKT,
KVM_RISCV_ISA_EXT_MAX,
};