//! Delayed avail publication, late completion and reset based DMA return.

use super::*;

pub fn run(boot: &BootData,
    allocator: &mut memory::FrameAllocator) -> Result<(), &'static str> {
    let before = allocator.remaining_pages();
    let mut disk = virtio_ro_turkfs::RoDisk::open(
        boot, allocator, "TURKOS/OS/K1515-GET")?;
    if disk.capacity() != 2048 { return Err("k1515-disk-capacity"); }
    disk.unanswered_then_late()?;
    disk.close_after_timeout(allocator)?;
    if allocator.remaining_pages() != before {
        return Err("k1515-timeout-frame-leak");
    }
    let mut healthy = virtio_ro_turkfs::RoDisk::open(
        boot, allocator, "TURKOS/OS/K1515-GET")?;
    let mut data = [0xa5u8; 512];
    healthy.read(1, &mut data)?;
    if data.iter().any(|&byte| byte != 0) {
        return Err("k1515-healthy-read-data");
    }
    healthy.close(allocator)?;
    if allocator.remaining_pages() != before {
        return Err("k1515-healthy-frame-leak");
    }
    write_line("TURKOS/OS/K1515-TIMEOUT: NO_AVAIL=TIMEOUT CANCEL=LIVE LATE=REJECTED RESET=ACK FRAMES=RETURNED FRESH=OK");
    Ok(())
}