To implement target type KVM_ARM_TARGET_HOST we make the KVM_ARM_VCPU_INIT ioctl bi-direction so that KVM ARM/ARM64 can return appropriate target type to user space via struct kvm_vcpu_init.
Signed-off-by: Anup Patel anup.patel@linaro.org Signed-off-by: Pranavkumar Sawargaonkar pranavkumar@linaro.org --- Documentation/virtual/kvm/api.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index ef925ea..c0a3a05 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -2283,7 +2283,7 @@ current state. "addr" is ignored. Capability: basic Architectures: arm, arm64 Type: vcpu ioctl -Parameters: struct struct kvm_vcpu_init (in) +Parameters: struct kvm_vcpu_init (in/out) Returns: 0 on success; -1 on error Errors: EINVAL: the target is unknown, or the combination of features is invalid. @@ -2303,6 +2303,9 @@ Possible features: - KVM_ARM_VCPU_EL1_32BIT: Starts the CPU in a 32bit mode. Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only).
+This ioctl returns updated struct kvm_vcpu_init showing VCPU target +type and VCPU features that will be available. +
4.83 KVM_GET_REG_LIST