RISC-V: KVM: Add SBI PMU extension support

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SBI PMU extension allows KVM guests to configure/start/stop/query
about the PMU counters in virtualized enviornment as well.

In order to allow that, KVM implements the entire SBI PMU extension.

Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>

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Atish Patra 2023-02-07 01:55:23 -08:00 • committed by Anup Patel

parent 8f0153ecd3

commit cbddc4c4cb

3 changed files with 98 additions and 1 deletions

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2

arch/riscv/kvm/Makefile

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11

arch/riscv/kvm/vcpu_sbi.c

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86

arch/riscv/kvm/vcpu_sbi_pmu.c

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