VDPASIM_BLK_CAPACITY
blk_config->capacity = cpu_to_vdpasim64(vdpasim, VDPASIM_BLK_CAPACITY);
blk->buffer = kvzalloc(VDPASIM_BLK_CAPACITY << SECTOR_SHIFT,
shared_buffer = kvzalloc(VDPASIM_BLK_CAPACITY << SECTOR_SHIFT,
if (start_sector > VDPASIM_BLK_CAPACITY) {
start_sector, VDPASIM_BLK_CAPACITY);
if (num_sectors > VDPASIM_BLK_CAPACITY - start_sector) {
start_sector, num_sectors, VDPASIM_BLK_CAPACITY);