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RISCV: KVM: Add sstateen0 context save/restore

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Define sstateen0 and add sstateen0 save/restore for guest VCPUs.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Mayuresh Chitale
2023-09-13 22:09:04 +05:30
committed by Anup Patel
parent db3c01c7a3
commit 81f0f314fe
3 changed files with 21 additions and 0 deletions
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8
arch/riscv/include/asm/kvm_host.h
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@@ -170,6 +170,10 @@ struct kvm_vcpu_config {
u64 hstateen0;
};
struct kvm_vcpu_smstateen_csr {
unsigned long sstateen0;
};
struct kvm_vcpu_arch {
/* VCPU ran at least once */
bool ran_atleast_once;
@@ -190,6 +194,7 @@ struct kvm_vcpu_arch {
unsigned long host_stvec;
unsigned long host_scounteren;
unsigned long host_senvcfg;
unsigned long host_sstateen0;
/* CPU context of Host */
struct kvm_cpu_context host_context;
@@ -200,6 +205,9 @@ struct kvm_vcpu_arch {
/* CPU CSR context of Guest VCPU */
struct kvm_vcpu_csr guest_csr;
/* CPU Smstateen CSR context of Guest VCPU */
struct kvm_vcpu_smstateen_csr smstateen_csr;
/* CPU context upon Guest VCPU reset */
struct kvm_cpu_context guest_reset_context;