Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/md/dm-switch.c initialise_region_table() -> switch_region_table_write()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sctx | 4096-ptr_max |
| PARAM_VALUE | 2 | value | 0-4294967294 |
| BUF_SIZE | 0 | sctx | 40-s32max |
| BUF_SIZE | 0 | sctx | 40-s32max |
| CAPPED_DATA | 0 | sctx->ti->begin | 1 |
| CAPPED_DATA | 1 | region_nr | 1 |
| CAPPED_DATA | 1 | region_nr | 1 |
| DATA_SOURCE | 0 | sctx | $0 |
| FUZZY_MAX | 2 | value | 0 |
| STR_LEN | 0 | sctx->ti->error | 13 |
| PARAM_COMPARE | 1 | region_nr | < $0->nr_regions |
| PARAM_COMPARE | 1 | region_nr | < $0->nr_regions |
| TERMINATED | 0 | sctx->ti->error | 1 |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sctx->ti->begin | |
| NO_OVERFLOW_SIMPLE | 0 | sctx->ti->len | |
| UNITS | 1 | region_nr | unit_byte |
| HALF_LOCKED2 | &md->type_lock |
drivers/md/dm-switch.c process_set_region_mappings() -> switch_region_table_write()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sctx | 4096-ptr_max |
| PARAM_VALUE | 0 | sctx->region_table | 4096-ptr_max |
| BUF_SIZE | 0 | sctx | 16,40-s32max |
| BUF_SIZE | 0 | sctx | 16,40-s32max |
| CAPPED_DATA | 2 | value | 1 |
| DATA_SOURCE | 0 | sctx | $0 |
| DATA_SOURCE | 2 | value | r switch_region_table_read |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | region_nr | |
| LOCK2 | &md->io_barrier | ||
| LOCK2 | &message_mutex | ||
| TYPE_LOCK | (struct mapped_device)->io_barrier |
drivers/md/dm-switch.c process_set_region_mappings() -> switch_region_table_write()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sctx | 4096-ptr_max |
| PARAM_VALUE | 1 | region_nr | 0-18446744073709551614 |
| PARAM_VALUE | 2 | value | 0-15 |
| BUF_SIZE | 0 | sctx | 16,40-s32max |
| BUF_SIZE | 0 | sctx | 16,40-s32max |
| CAPPED_DATA | 1 | region_nr | 1 |
| CAPPED_DATA | 1 | region_nr | 1 |
| CAPPED_DATA | 2 | value | 1 |
| DATA_SOURCE | 0 | sctx | $0 |
| DATA_SOURCE | 2 | value | r parse_hex |
| PARAM_COMPARE | 1 | region_nr | < $0->nr_regions |
| PARAM_COMPARE | 1 | region_nr | < $0->nr_regions |
| PARAM_COMPARE | 2 | value | < $0->nr_paths |
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | region_nr | |
| UNITS | 1 | region_nr | unit_byte |
| LOCK2 | &md->io_barrier | ||
| LOCK2 | &message_mutex | ||
| TYPE_LOCK | (struct mapped_device)->io_barrier |