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Changed the queue size to only take one page.

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This commit is contained in:
Stephen Marz 2020-03-12 13:36:18 -04:00
parent f5ce75dbe8
commit bc9158bd23
1 changed files with 4 additions and 1 deletions
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5
risc_v/ch9/src/virtio.rs
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@ -17,7 +17,10 @@ pub const VIRTIO_AVAIL_F_NO_INTERRUPT: u16 = 1;
pub const VIRTIO_USED_F_NO_NOTIFY: u16 = 1;
pub const VIRTIO_RING_SIZE: usize = 256;
// 157 is the maximum ring size so that the structure
// takes up only 1 - 4KiB page. Kinda' an odd number,
// but let's go with it.
pub const VIRTIO_RING_SIZE: usize = 157;
// VirtIO structures
#[repr(C)]