738 static void *fake_store(unsigned long long lba)  in fake_store()  argument
740 	lba = do_div(lba, sdebug_store_sectors);  in fake_store()
742 	return fake_storep + lba * sdebug_sector_size;  in fake_store()
2459 				      unsigned long long lba, unsigned int num)  in check_device_access_params()  argument
2461 	if (lba + num > sdebug_capacity) {  in check_device_access_params()
2475 static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba,  in do_device_access()  argument
2497 	block = do_div(lba, sdebug_store_sectors);  in do_device_access()
2520 static bool comp_write_worker(u64 lba, u32 num, const u8 *arr)  in comp_write_worker()  argument
2527 	block = do_div(lba, store_blks);  in comp_write_worker()
2663 	u64 lba;  in resp_read_dt0()  local
2673 		lba = get_unaligned_be64(cmd + 2);  in resp_read_dt0()
2679 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2685 		lba = (u32)cmd[3] | (u32)cmd[2] << 8 |  in resp_read_dt0()
2692 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2698 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2703 		lba = get_unaligned_be64(cmd + 12);  in resp_read_dt0()
2732 	if (unlikely(lba + num > sdebug_capacity)) {  in resp_read_dt0()
2744 		     (lba <= (sdebug_medium_error_start + sdebug_medium_error_count - 1)) &&  in resp_read_dt0()
2745 		     ((lba + num) > sdebug_medium_error_start))) {  in resp_read_dt0()
2751 			ret = (lba < OPT_MEDIUM_ERR_ADDR)  in resp_read_dt0()
2752 			      ? OPT_MEDIUM_ERR_ADDR : (int)lba;  in resp_read_dt0()
2763 		int prot_ret = prot_verify_read(scp, lba, num, ei_lba);  in resp_read_dt0()
2772 	ret = do_device_access(scp, 0, lba, num, false);  in resp_read_dt0()
2894 static unsigned long lba_to_map_index(sector_t lba)  in lba_to_map_index()  argument
2897 		lba += sdebug_unmap_granularity - sdebug_unmap_alignment;  in lba_to_map_index()
2898 	sector_div(lba, sdebug_unmap_granularity);  in lba_to_map_index()
2899 	return lba;  in lba_to_map_index()
2904 	sector_t lba = index * sdebug_unmap_granularity;  in map_index_to_lba()  local
2907 		lba -= sdebug_unmap_granularity - sdebug_unmap_alignment;  in map_index_to_lba()
2908 	return lba;  in map_index_to_lba()
2911 static unsigned int map_state(sector_t lba, unsigned int *num)  in map_state()  argument
2918 	index = lba_to_map_index(lba);  in map_state()
2927 	*num = end - lba;  in map_state()
2931 static void map_region(sector_t lba, unsigned int len)  in map_region()  argument
2933 	sector_t end = lba + len;  in map_region()
2935 	while (lba < end) {  in map_region()
2936 		unsigned long index = lba_to_map_index(lba);  in map_region()
2941 		lba = map_index_to_lba(index + 1);  in map_region()
2945 static void unmap_region(sector_t lba, unsigned int len)  in unmap_region()  argument
2947 	sector_t end = lba + len;  in unmap_region()
2949 	while (lba < end) {  in unmap_region()
2950 		unsigned long index = lba_to_map_index(lba);  in unmap_region()
2952 		if (lba == map_index_to_lba(index) &&  in unmap_region()
2953 		    lba + sdebug_unmap_granularity <= end &&  in unmap_region()
2958 				       lba * sdebug_sector_size,  in unmap_region()
2964 				memset(dif_storep + lba, 0xff,  in unmap_region()
2969 		lba = map_index_to_lba(index + 1);  in unmap_region()
2976 	u64 lba;  in resp_write_dt0()  local
2986 		lba = get_unaligned_be64(cmd + 2);  in resp_write_dt0()
2992 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
2998 		lba = (u32)cmd[3] | (u32)cmd[2] << 8 |  in resp_write_dt0()
3005 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
3011 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
3016 		lba = get_unaligned_be64(cmd + 12);  in resp_write_dt0()
3036 	if (unlikely(lba + num > sdebug_capacity)) {  in resp_write_dt0()
3051 		int prot_ret = prot_verify_write(scp, lba, num, ei_lba);  in resp_write_dt0()
3060 	ret = do_device_access(scp, 0, lba, num, true);  in resp_write_dt0()
3062 		map_region(lba, num);  in resp_write_dt0()
3109 	u64 lba;  in resp_write_scat()  local
3177 		lba = get_unaligned_be64(up + 0);  in resp_write_scat()
3182 				my_name, __func__, k, lba, num, sg_off);  in resp_write_scat()
3185 		ret = check_device_access_params(scp, lba, num);  in resp_write_scat()
3204 			int prot_ret = prot_verify_write(scp, lba, num,  in resp_write_scat()
3215 		ret = do_device_access(scp, sg_off, lba, num, true);  in resp_write_scat()
3217 			map_region(lba, num);  in resp_write_scat()
3261 static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num,  in resp_write_same()  argument
3269 	ret = check_device_access_params(scp, lba, num);  in resp_write_same()
3276 		unmap_region(lba, num);  in resp_write_same()
3280 	lba_off = lba * sdebug_sector_size;  in resp_write_same()
3300 		memcpy(fake_storep + ((lba + i) * sdebug_sector_size),  in resp_write_same()
3305 		map_region(lba, num);  in resp_write_same()
3316 	u32 lba;  in resp_write_same_10()  local
3328 	lba = get_unaligned_be32(cmd + 2);  in resp_write_same_10()
3334 	return resp_write_same(scp, lba, num, ei_lba, unmap, false);  in resp_write_same_10()
3341 	u64 lba;  in resp_write_same_16()  local
3356 	lba = get_unaligned_be64(cmd + 2);  in resp_write_same_16()
3362 	return resp_write_same(scp, lba, num, ei_lba, unmap, ndob);  in resp_write_same_16()
3420 	u64 lba;  in resp_comp_write()  local
3428 	lba = get_unaligned_be64(cmd + 2);  in resp_comp_write()
3444 	if (lba + num > sdebug_capacity) {  in resp_comp_write()
3477 	if (!comp_write_worker(lba, num, arr)) {  in resp_comp_write()
3483 		map_region(lba, num);  in resp_comp_write()
3491 	__be64	lba;  member
3533 		unsigned long long lba = get_unaligned_be64(&desc[i].lba);  in resp_unmap()  local
3536 		ret = check_device_access_params(scp, lba, num);  in resp_unmap()
3540 		unmap_region(lba, num);  in resp_unmap()
3558 	u64 lba;  in resp_get_lba_status()  local
3563 	lba = get_unaligned_be64(cmd + 2);  in resp_get_lba_status()
3569 	ret = check_device_access_params(scp, lba, 1);  in resp_get_lba_status()
3574 		mapped = map_state(lba, &num);  in resp_get_lba_status()
3579 		if (sdebug_capacity - lba <= 0xffffffff)  in resp_get_lba_status()
3580 			num = sdebug_capacity - lba;  in resp_get_lba_status()
3587 	put_unaligned_be64(lba, arr + 8);	/* LBA */  in resp_get_lba_status()
3598 	u64 lba;  in resp_sync_cache()  local
3603 		lba = get_unaligned_be32(cmd + 2);  in resp_sync_cache()
3606 		lba = get_unaligned_be64(cmd + 2);  in resp_sync_cache()
3609 	if (lba + num_blocks > sdebug_capacity) {  in resp_sync_cache()
3721 static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,  in resp_xdwriteread()  argument
3761 	u64 lba;  in resp_xdwriteread_10()  local
3778 	lba = get_unaligned_be32(cmd + 2);  in resp_xdwriteread_10()
3780 	return resp_xdwriteread(scp, lba, num, devip);  in resp_xdwriteread_10()