DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
KBlock *dev = devs[drv];
ASSERT(dev);
switch (ctrl)
{
case CTRL_SYNC:
if (kblock_flush(dev) == 0)
return RES_OK;
else
return RES_ERROR;
case GET_SECTOR_SIZE:
*(WORD *)buff = dev->blk_size;
return RES_OK;
case GET_SECTOR_COUNT:
*(DWORD *)buff = dev->blk_cnt;
return RES_OK;
case GET_BLOCK_SIZE:
*(DWORD *)buff = 1;
return RES_OK;
default:
LOG_ERR("unknown command: [%d]\n", ctrl);
return RES_PARERR;
}
}
static int kfileblock_flush(struct KFile *fd)
{
KFileBlock *fb = KFILEBLOCK_CAST(fd);
return kblock_flush(fb->blk);
}
