DragonFlyBSD

ch->dma->alignment = 2;

ch->dma->boundary = 128 * DEV_BSIZE;

ch->dma->segsize = 128 * DEV_BSIZE;

ch->dma->max_address = BUS_SPACE_MAXADDR_32BIT;

}

args->nsegs = nsegs;

}

static int

ata_dmaload(device_t dev, caddr_t data, int32_t count, int dir,

void *addr, int *entries)

if (count > ch->dma->max_iosize) {

device_printf(dev, "FAILURE - oversized DMA transfer attempt %d > %d\n",

count, ch->dma->max_iosize);

return EIO;

}