Defined in 1 files as a function:
Referenced in 6 files:
- arch/alpha/kernel/pci_iommu.c, line 120
- arch/sparc/kernel/iommu_common.h, line 48
- drivers/parisc/ccio-dma.c, line 289
- drivers/parisc/sba_iommu.c
- kernel/dma/swiotlb.c, line 1177
- lib/iommu-helper.c, line 21
Smatch caller information:
lib/iommu-helper.c iommu_area_alloc() -> iommu_is_span_boundary()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | shift | 0-4503599627370495 |
| PARAM_VALUE | 3 | boundary_size | 1-4503599627370496 |
| CAPPED_DATA | 0 | index | 1 |
| CAPPED_DATA | 2 | shift | 1 |
| CAPPED_DATA | 2 | shift | 1 |
| CAPPED_DATA | 3 | boundary_size | 1 |
| CAPPED_DATA | 3 | boundary_size | 1 |
| DATA_SOURCE | 0 | index | r bitmap_find_next_zero_area |
| DATA_SOURCE | 1 | nr | $3 |
| DATA_SOURCE | 2 | shift | $4 |
| DATA_SOURCE | 3 | boundary_size | $5 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | index | 0-4096[c] |
| HOST_DATA | 1 | nr | 2-1048578[c] |
| UNITS | 0 | index | unit_page |
| UNITS | 2 | shift | unit_page |
| LOCK2 | flags | ||
| LOCK2 | global &iommu_bitmap_lock |
kernel/dma/swiotlb.c swiotlb_search_pool_area() -> iommu_is_span_boundary()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | nr | 1-128 |
| PARAM_VALUE | 3 | boundary_size | 1-9007199254740992 |
| CAPPED_DATA | 1 | nr | 1 |
| CAPPED_DATA | 3 | boundary_size | 1 |
| CAPPED_DATA | 3 | boundary_size | 1 |
| DATA_SOURCE | 1 | nr | r nr_slots |
| DATA_SOURCE | 3 | boundary_size | r get_max_slots |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | nr | 1-128[c] |
| USER_DATA | 1 | nr | 1-128[c] |
| LOCK2 | &area->lock | ||
| LOCK2 | flags | ||
| HALF_LOCKED2 | rcu_read | ||
| TYPE_LOCK | (struct io_tlb_area)->lock |