730 static void *lba2fake_store(unsigned long long lba)  in lba2fake_store()  argument
732 	lba = do_div(lba, sdebug_store_sectors);  in lba2fake_store()
734 	return fake_storep + lba * sdebug_sector_size;  in lba2fake_store()
2459 	unsigned long long lba, unsigned int num, bool write)  in check_device_access_params()  argument
2461 	if (lba + num > sdebug_capacity) {  in check_device_access_params()
2479 static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba,  in do_device_access()  argument
2499 	block = do_div(lba, sdebug_store_sectors);  in do_device_access()
2522 static bool comp_write_worker(u64 lba, u32 num, const u8 *arr)  in comp_write_worker()  argument
2529 	block = do_div(lba, store_blks);  in comp_write_worker()
2665 	u64 lba;  in resp_read_dt0()  local
2675 		lba = get_unaligned_be64(cmd + 2);  in resp_read_dt0()
2681 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2687 		lba = (u32)cmd[3] | (u32)cmd[2] << 8 |  in resp_read_dt0()
2694 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2700 		lba = get_unaligned_be32(cmd + 2);  in resp_read_dt0()
2705 		lba = get_unaligned_be64(cmd + 12);  in resp_read_dt0()
2733 	ret = check_device_access_params(scp, lba, num, false);  in resp_read_dt0()
2737 		     (lba <= (sdebug_medium_error_start + sdebug_medium_error_count - 1)) &&  in resp_read_dt0()
2738 		     ((lba + num) > sdebug_medium_error_start))) {  in resp_read_dt0()
2744 			ret = (lba < OPT_MEDIUM_ERR_ADDR)  in resp_read_dt0()
2745 			      ? OPT_MEDIUM_ERR_ADDR : (int)lba;  in resp_read_dt0()
2756 		int prot_ret = prot_verify_read(scp, lba, num, ei_lba);  in resp_read_dt0()
2765 	ret = do_device_access(scp, 0, lba, num, false);  in resp_read_dt0()
2887 static unsigned long lba_to_map_index(sector_t lba)  in lba_to_map_index()  argument
2890 		lba += sdebug_unmap_granularity - sdebug_unmap_alignment;  in lba_to_map_index()
2891 	sector_div(lba, sdebug_unmap_granularity);  in lba_to_map_index()
2892 	return lba;  in lba_to_map_index()
2897 	sector_t lba = index * sdebug_unmap_granularity;  in map_index_to_lba()  local
2900 		lba -= sdebug_unmap_granularity - sdebug_unmap_alignment;  in map_index_to_lba()
2901 	return lba;  in map_index_to_lba()
2904 static unsigned int map_state(sector_t lba, unsigned int *num)  in map_state()  argument
2911 	index = lba_to_map_index(lba);  in map_state()
2920 	*num = end - lba;  in map_state()
2924 static void map_region(sector_t lba, unsigned int len)  in map_region()  argument
2926 	sector_t end = lba + len;  in map_region()
2928 	while (lba < end) {  in map_region()
2929 		unsigned long index = lba_to_map_index(lba);  in map_region()
2934 		lba = map_index_to_lba(index + 1);  in map_region()
2938 static void unmap_region(sector_t lba, unsigned int len)  in unmap_region()  argument
2940 	sector_t end = lba + len;  in unmap_region()
2942 	while (lba < end) {  in unmap_region()
2943 		unsigned long index = lba_to_map_index(lba);  in unmap_region()
2945 		if (lba == map_index_to_lba(index) &&  in unmap_region()
2946 		    lba + sdebug_unmap_granularity <= end &&  in unmap_region()
2951 				       lba * sdebug_sector_size,  in unmap_region()
2957 				memset(dif_storep + lba, 0xff,  in unmap_region()
2962 		lba = map_index_to_lba(index + 1);  in unmap_region()
2969 	u64 lba;  in resp_write_dt0()  local
2979 		lba = get_unaligned_be64(cmd + 2);  in resp_write_dt0()
2985 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
2991 		lba = (u32)cmd[3] | (u32)cmd[2] << 8 |  in resp_write_dt0()
2998 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
3004 		lba = get_unaligned_be32(cmd + 2);  in resp_write_dt0()
3009 		lba = get_unaligned_be64(cmd + 12);  in resp_write_dt0()
3027 	ret = check_device_access_params(scp, lba, num, true);  in resp_write_dt0()
3034 		int prot_ret = prot_verify_write(scp, lba, num, ei_lba);  in resp_write_dt0()
3043 	ret = do_device_access(scp, 0, lba, num, true);  in resp_write_dt0()
3045 		map_region(lba, num);  in resp_write_dt0()
3092 	u64 lba;  in resp_write_scat()  local
3160 		lba = get_unaligned_be64(up + 0);  in resp_write_scat()
3165 				my_name, __func__, k, lba, num, sg_off);  in resp_write_scat()
3168 		ret = check_device_access_params(scp, lba, num, true);  in resp_write_scat()
3187 			int prot_ret = prot_verify_write(scp, lba, num,  in resp_write_scat()
3198 		ret = do_device_access(scp, sg_off, lba, num, true);  in resp_write_scat()
3200 			map_region(lba, num);  in resp_write_scat()
3244 static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num,  in resp_write_same()  argument
3254 	ret = check_device_access_params(scp, lba, num, true);  in resp_write_same()
3261 		unmap_region(lba, num);  in resp_write_same()
3264 	lbaa = lba;  in resp_write_same()
3284 		lbaa = lba + i;  in resp_write_same()
3289 		map_region(lba, num);  in resp_write_same()
3300 	u32 lba;  in resp_write_same_10()  local
3312 	lba = get_unaligned_be32(cmd + 2);  in resp_write_same_10()
3318 	return resp_write_same(scp, lba, num, ei_lba, unmap, false);  in resp_write_same_10()
3325 	u64 lba;  in resp_write_same_16()  local
3340 	lba = get_unaligned_be64(cmd + 2);  in resp_write_same_16()
3346 	return resp_write_same(scp, lba, num, ei_lba, unmap, ndob);  in resp_write_same_16()
3404 	u64 lba;  in resp_comp_write()  local
3412 	lba = get_unaligned_be64(cmd + 2);  in resp_comp_write()
3426 	ret = check_device_access_params(scp, lba, num, false);  in resp_comp_write()
3452 	if (!comp_write_worker(lba, num, arr)) {  in resp_comp_write()
3458 		map_region(lba, num);  in resp_comp_write()
3466 	__be64	lba;  member
3508 		unsigned long long lba = get_unaligned_be64(&desc[i].lba);  in resp_unmap()  local
3511 		ret = check_device_access_params(scp, lba, num, true);  in resp_unmap()
3515 		unmap_region(lba, num);  in resp_unmap()
3533 	u64 lba;  in resp_get_lba_status()  local
3538 	lba = get_unaligned_be64(cmd + 2);  in resp_get_lba_status()
3544 	ret = check_device_access_params(scp, lba, 1, false);  in resp_get_lba_status()
3549 		mapped = map_state(lba, &num);  in resp_get_lba_status()
3554 		if (sdebug_capacity - lba <= 0xffffffff)  in resp_get_lba_status()
3555 			num = sdebug_capacity - lba;  in resp_get_lba_status()
3562 	put_unaligned_be64(lba, arr + 8);	/* LBA */  in resp_get_lba_status()
3573 	u64 lba;  in resp_sync_cache()  local
3578 		lba = get_unaligned_be32(cmd + 2);  in resp_sync_cache()
3581 		lba = get_unaligned_be64(cmd + 2);  in resp_sync_cache()
3584 	if (lba + num_blocks > sdebug_capacity) {  in resp_sync_cache()