1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use std::fmt;

/// Memory used for buffer exchange
#[allow(clippy::unreadable_literal)]
#[rustfmt::skip]
#[repr(u32)]
pub enum Memory {
    Mmap        = 1,
    UserPtr     = 2,
    Overlay     = 3,
    DmaBuf      = 4,
}

impl fmt::Display for Memory {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match *self {
            Memory::Mmap => write!(f, "memory-mapped"),
            Memory::UserPtr => write!(f, "user pointer"),
            Memory::Overlay => write!(f, "overlay"),
            Memory::DmaBuf => write!(f, "DMA buffered"),
        }
    }
}