Defined in 3 files as a function:
- drivers/iommu/iommufd/pages.c, line 724 (as a function)
- kernel/power/snapshot.c, line 1473 (as a function)
- kernel/power/snapshot.c, line 1506 (as a function)
Referenced in 2 files:
Smatch caller information:
drivers/iommu/iommufd/pages.c batch_rw() -> copy_data_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | data | 1-u64max |
| PARAM_VALUE | 4 | flags | 0-131070 |
| BUF_SIZE | 1 | data | (-1)-16777216 |
| BUF_SIZE | 1 | data | (-1)-16777216 |
| CAPPED_DATA | 3 | length | 1 |
| CAPPED_DATA | 3 | length | 1 |
| DATA_SOURCE | 1 | data | $1 |
| DATA_SOURCE | 2 | offset | $2 [m] |
| DATA_SOURCE | 4 | flags | $4 |
| PARAM_COMPARE | 2 | offset | >= $3 |
| BIT_INFO | 4 | flags | 0x0,0x10007 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | *data | s64min-s64max |
| USER_DATA | 4 | flags | 0-131070[u] |
| UNITS | 1 | data | unit_byte |
| UNITS | 3 | length | unit_byte |
| USER_PTR | 1 | data | |
| LOCK2 | &access->ioas_lock | ||
| LOCK2 | &iopt->iova_rwsem | ||
| LOCK2 | &pages->mutex | ||
| TYPE_LOCK | (struct io_pagetable)->iova_rwsem | ||
| TYPE_LOCK | (struct iommufd_access)->ioas_lock | ||
| TYPE_LOCK | (struct iopt_pages)->mutex |
drivers/iommu/iommufd/pages.c iopt_pages_rw_page() -> copy_data_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | data | 1-u64max |
| PARAM_VALUE | 4 | flags | 0-131070 |
| BUF_SIZE | 1 | data | (-1)-16777216 |
| BUF_SIZE | 1 | data | (-1)-16777216 |
| DATA_SOURCE | 1 | data | $3 |
| DATA_SOURCE | 2 | offset | $2 |
| DATA_SOURCE | 3 | length | $4 |
| DATA_SOURCE | 4 | flags | $5 |
| BIT_INFO | 4 | flags | 0x0,0x10005 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | *data | s64min-s64max |
| USER_DATA | 4 | flags | 0-131070[u] |
| UNITS | 1 | data | unit_byte |
| UNITS | 3 | length | unit_byte |
| USER_PTR | 1 | data | |
| LOCK2 | &access->ioas_lock | ||
| LOCK2 | &iopt->iova_rwsem | ||
| TYPE_LOCK | (struct io_pagetable)->iova_rwsem | ||
| TYPE_LOCK | (struct iommufd_access)->ioas_lock |
kernel/power/snapshot.c copy_data_pages() -> copy_data_page()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | data | 0-18446744073709551614 |
| CAPPED_DATA | 1 | data | 1 |
| CAPPED_DATA | 1 | data | 1 |
| DATA_SOURCE | 0 | page | r memory_bm_next_pfn |
| DATA_SOURCE | 1 | data | r memory_bm_next_pfn |
| UNITS | 1 | data | unit_page |