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RISC-V: KVM: Allow Zaamo/Zalrsc extensions for Guest/VM

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Extend the KVM ISA extension ONE_REG interface to allow KVM user space
to detect and enable Zaamo/Zalrsc extensions for Guest/VM.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240619153913.867263-5-cleger@rivosinc.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
This commit is contained in:
Clément Léger
2024-06-19 17:39:11 +02:00
committed by Alexandre Ghiti
parent 9d45d1ff90
commit 2d79608cf6
2 changed files with 6 additions and 0 deletions
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2
arch/riscv/include/uapi/asm/kvm.h
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@@ -182,6 +182,8 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_SVVPTC,
KVM_RISCV_ISA_EXT_ZABHA,
KVM_RISCV_ISA_EXT_ZICCRSE,
KVM_RISCV_ISA_EXT_ZAAMO,
KVM_RISCV_ISA_EXT_ZALRSC,
KVM_RISCV_ISA_EXT_MAX,
};