Re: [PATCH v7 08/18] virt: acrn: Introduce EPT mapping management

[Shuo A Liu]

On Fri  8.Jan'21 at 16:34:06 +0100, Greg Kroah-Hartman wrote:
> On Wed, Jan 06, 2021 at 03:50:45PM +0800, shuo.a.liu@xxxxxxxxx wrote:
> > +/**
> > + * struct acrn_vm_memmap - A EPT memory mapping info for a User VM.
> > + * @type:		Type of the memory mapping (ACRM_MEMMAP_*).
> > + *			Pass to hypervisor directly.
> > + * @attr:		Attribute of the memory mapping.
> > + *			Pass to hypervisor directly.
> > + * @user_vm_pa:		Physical address of User VM.
> > + *			Pass to hypervisor directly.
> > + * @service_vm_pa:	Physical address of Service VM.
> > + *			Pass to hypervisor directly.
> > + * @vma_base:		VMA address of Service VM. Pass to hypervisor directly.
> > + * @len:		Length of the memory mapping.
> > + *			Pass to hypervisor directly.
> > + */
> > +struct acrn_vm_memmap {
> > +	__u32	type;
> > +	__u32	attr;
> > +	__u64	user_vm_pa;
> > +	union {
> > +		__u64	service_vm_pa;
> > +		__u64	vma_base;
> > +	};
> > +	__u64	len;
> > +};
>
> Endianness?

Same consideration within patch 06/18. Need i specify these values? They
are more like ioctls' paramter values.

Thanks
shuo
>