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Diffstat (limited to 'arch/riscv/kvm/vcpu_sbi_hsm.c')
-rw-r--r--arch/riscv/kvm/vcpu_sbi_hsm.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/riscv/kvm/vcpu_sbi_hsm.c b/arch/riscv/kvm/vcpu_sbi_hsm.c
index 239dec0a628a..7dca0e9381d9 100644
--- a/arch/riscv/kvm/vcpu_sbi_hsm.c
+++ b/arch/riscv/kvm/vcpu_sbi_hsm.c
@@ -9,7 +9,6 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/kvm_host.h>
-#include <asm/csr.h>
#include <asm/sbi.h>
#include <asm/kvm_vcpu_sbi.h>
@@ -22,9 +21,9 @@ static int kvm_sbi_hsm_vcpu_start(struct kvm_vcpu *vcpu)
target_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, target_vcpuid);
if (!target_vcpu)
- return -EINVAL;
+ return SBI_ERR_INVALID_PARAM;
if (!target_vcpu->arch.power_off)
- return -EALREADY;
+ return SBI_ERR_ALREADY_AVAILABLE;
reset_cntx = &target_vcpu->arch.guest_reset_context;
/* start address */
@@ -43,7 +42,7 @@ static int kvm_sbi_hsm_vcpu_start(struct kvm_vcpu *vcpu)
static int kvm_sbi_hsm_vcpu_stop(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.power_off)
- return -EINVAL;
+ return SBI_ERR_FAILURE;
kvm_riscv_vcpu_power_off(vcpu);
@@ -58,7 +57,7 @@ static int kvm_sbi_hsm_vcpu_get_status(struct kvm_vcpu *vcpu)
target_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, target_vcpuid);
if (!target_vcpu)
- return -EINVAL;
+ return SBI_ERR_INVALID_PARAM;
if (!target_vcpu->arch.power_off)
return SBI_HSM_STATE_STARTED;
else if (vcpu->stat.generic.blocking)
@@ -68,9 +67,7 @@ static int kvm_sbi_hsm_vcpu_get_status(struct kvm_vcpu *vcpu)
}
static int kvm_sbi_ext_hsm_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
- unsigned long *out_val,
- struct kvm_cpu_trap *utrap,
- bool *exit)
+ struct kvm_vcpu_sbi_return *retdata)
{
int ret = 0;
struct kvm_cpu_context *cp = &vcpu->arch.guest_context;
@@ -89,27 +86,29 @@ static int kvm_sbi_ext_hsm_handler(struct kvm_vcpu *vcpu, struct kvm_run *run,
case SBI_EXT_HSM_HART_STATUS:
ret = kvm_sbi_hsm_vcpu_get_status(vcpu);
if (ret >= 0) {
- *out_val = ret;
- ret = 0;
+ retdata->out_val = ret;
+ retdata->err_val = 0;
}
- break;
+ return 0;
case SBI_EXT_HSM_HART_SUSPEND:
switch (cp->a0) {
case SBI_HSM_SUSPEND_RET_DEFAULT:
kvm_riscv_vcpu_wfi(vcpu);
break;
case SBI_HSM_SUSPEND_NON_RET_DEFAULT:
- ret = -EOPNOTSUPP;
+ ret = SBI_ERR_NOT_SUPPORTED;
break;
default:
- ret = -EINVAL;
+ ret = SBI_ERR_INVALID_PARAM;
}
break;
default:
- ret = -EOPNOTSUPP;
+ ret = SBI_ERR_NOT_SUPPORTED;
}
- return ret;
+ retdata->err_val = ret;
+
+ return 0;
}
const struct kvm_vcpu_sbi_extension vcpu_sbi_ext_hsm = {