Trait vm_memory::udmabuf::UdmabufDriverTrait

source · 
pub trait UdmabufDriverTrait {
    // Required methods
    fn new() -> UdmabufResult<Self>
       where Self: Sized;
    fn create_udmabuf(
        &self,
        mem: &GuestMemory,
        iovecs: &[(GuestAddress, usize)],
    ) -> UdmabufResult<SafeDescriptor>;
}
Expand description

Trait that the platform-specific type UdmabufDriver needs to implement.

Required Methods§

source

fn new() -> UdmabufResult<Self>
where Self: Sized,

Opens the udmabuf device on success.

source

fn create_udmabuf( &self, mem: &GuestMemory, iovecs: &[(GuestAddress, usize)], ) -> UdmabufResult<SafeDescriptor>

Creates a dma-buf fd for the given scatter-gather list of guest memory pages (iovecs).

Implementors§