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The ACRN hypervisor can emulate a virtual device within hypervisor for a Guest VM. The emulated virtual device can work without the ACRN userspace after creation. The hypervisor do the emulation of that device. To support the virtual device creating/destroying, HSM provides the following ioctls: - ACRN_IOCTL_CREATE_VDEV Pass data struct acrn_vdev from userspace to the hypervisor, and inform the hypervisor to create a virtual device for a User VM. - ACRN_IOCTL_DESTROY_VDEV Pass data struct acrn_vdev from userspace to the hypervisor, and inform the hypervisor to destroy a virtual device of a User VM. These new APIs will be used by user space code vm_add_hv_vdev and vm_remove_hv_vdev in https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c Signed-off-by: Shuo Liu <shuo.a.liu@intel.com> Signed-off-by: Fei Li <fei1.li@intel.com> Link: https://lore.kernel.org/r/20210923084128.18902-3-fei1.li@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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acrn_drv.h | ||
hsm.c | ||
hypercall.h | ||
ioeventfd.c | ||
ioreq.c | ||
irqfd.c | ||
Kconfig | ||
Makefile | ||
mm.c | ||
vm.c |