The newly introduced VM IOCTL allow the VMM to measure the pages used
to load the blobs. Hookup the VM ioctl.
Signed-off-by: Atish Patra <atishp@xxxxxxxxxxxx>
---
arch/riscv/kvm/vm.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/vm.c b/arch/riscv/kvm/vm.c
index 29d3221..1b59a8f 100644
--- a/arch/riscv/kvm/vm.c
+++ b/arch/riscv/kvm/vm.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/kvm_host.h>
+#include <asm/kvm_cove.h>
const struct _kvm_stats_desc kvm_vm_stats_desc[] = {
KVM_GENERIC_VM_STATS()
@@ -209,5 +210,20 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
long kvm_arch_vm_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg)
{
- return -EINVAL;
+ struct kvm *kvm = filp->private_data;
+ void __user *argp = (void __user *)arg;
+ struct kvm_riscv_cove_measure_region mr;
+
+ switch (ioctl) {
+ case KVM_RISCV_COVE_MEASURE_REGION:
+ if (!is_cove_vm(kvm))
+ return -EINVAL;
+ if (copy_from_user(&mr, argp, sizeof(mr)))
+ return -EFAULT;
+
+ return kvm_riscv_cove_vm_measure_pages(kvm, &mr);
+ default:
+ return -EINVAL;
+ }
+
}
--
2.25.1
