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author | Anup Patel <apatel@ventanamicro.com> | 2022-01-31 10:29:31 +0530 |
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committer | Anup Patel <anup@brainfault.org> | 2022-03-11 19:02:29 +0530 |
commit | 4b11d86571c44738f5ef12fcfac2ee36f998cf23 (patch) | |
tree | 17777b48d4b91da4f2ccb4c66ad2542ec55d10dc /arch/riscv/kvm/vcpu_sbi.c | |
parent | a03faf01a5e32012172a41f5f9d5f02d1cc93ccf (diff) | |
download | linux-stable-4b11d86571c44738f5ef12fcfac2ee36f998cf23.tar.gz linux-stable-4b11d86571c44738f5ef12fcfac2ee36f998cf23.tar.bz2 linux-stable-4b11d86571c44738f5ef12fcfac2ee36f998cf23.zip |
RISC-V: KVM: Add common kvm_riscv_vcpu_sbi_system_reset() function
We rename kvm_sbi_system_shutdown() to kvm_riscv_vcpu_sbi_system_reset()
and move it to vcpu_sbi.c so that it can be shared by SBI v0.1 shutdown
and SBI v0.3 SRST extension.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/kvm/vcpu_sbi.c')
-rw-r--r-- | arch/riscv/kvm/vcpu_sbi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu_sbi.c b/arch/riscv/kvm/vcpu_sbi.c index 78aa3db76225..11ae4f621f0d 100644 --- a/arch/riscv/kvm/vcpu_sbi.c +++ b/arch/riscv/kvm/vcpu_sbi.c @@ -79,6 +79,23 @@ void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run) run->riscv_sbi.ret[1] = cp->a1; } +void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu, + struct kvm_run *run, + u32 type, u64 flags) +{ + unsigned long i; + struct kvm_vcpu *tmp; + + kvm_for_each_vcpu(i, tmp, vcpu->kvm) + tmp->arch.power_off = true; + kvm_make_all_cpus_request(vcpu->kvm, KVM_REQ_SLEEP); + + memset(&run->system_event, 0, sizeof(run->system_event)); + run->system_event.type = type; + run->system_event.flags = flags; + run->exit_reason = KVM_EXIT_SYSTEM_EVENT; +} + int kvm_riscv_vcpu_sbi_return(struct kvm_vcpu *vcpu, struct kvm_run *run) { struct kvm_cpu_context *cp = &vcpu->arch.guest_context; |