devm_register_dax_mapping identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/dax/bus.c, line 809 (as a function)

Referenced in 1 files:

drivers/dax/bus.c
- line 905
- line 1549

Smatch caller information:

drivers/dax/bus.c __devm_create_dev_dax() -> devm_register_dax_mapping()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev_dax	4096-ptr_max
PARAM_VALUE	0	dev_dax->dax_dev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.devres_head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->defpool.nareas	0-s32max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->dyn_alloc.data.counter	0,9007199250546704
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->pools.next	0
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_mem->pools.prev	0,1473117533515866408
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_io_tlb_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_ops->alloc	0,1744715142275031040,2065280936184246272,2938795245442469888
PARAM_VALUE	0	dev_dax->dev.dma_ops->alloc_pages_op	0,4686288359180861440,6350905364812603392,6978773206971854848
PARAM_VALUE	0	dev_dax->dev.dma_ops->cache_sync	0
PARAM_VALUE	0	dev_dax->dev.dma_ops->dma_supported	0,2528523692154392576,3617072262637035520,5023592177070743552,5276104885786021888
PARAM_VALUE	0	dev_dax->dev.dma_ops->free	0,4778164490434129920,7144974343242604544,7861694134817480704
PARAM_VALUE	0	dev_dax->dev.dma_ops->free_pages	0,239457316199952384,5196233516945883136,7413093576918179840
PARAM_VALUE	0	dev_dax->dev.dma_ops->get_required_mask	0,7770840938859397120
PARAM_VALUE	0	dev_dax->dev.dma_ops->get_sgtable	0,1322759480623644672
PARAM_VALUE	0	dev_dax->dev.dma_ops->map_phys	0,2506261230157742080,4169194063996235776,4848421345171935232,6326163439792029696
PARAM_VALUE	0	dev_dax->dev.dma_ops->map_sg	0,2118452656510775296,2518538481676259328,5872201013595766784,6630017431831871488
PARAM_VALUE	0	dev_dax->dev.dma_ops->max_mapping_size	0,8830639662091943936
PARAM_VALUE	0	dev_dax->dev.dma_ops->mmap	0,5761417605877342208,7694740394750603264
PARAM_VALUE	0	dev_dax->dev.dma_ops->opt_mapping_size	0
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_sg_for_cpu	0,4862850025765572608
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_sg_for_device	0,3732476178258022400
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_single_for_cpu	0,1155325867376779264
PARAM_VALUE	0	dev_dax->dev.dma_ops->sync_single_for_device	0,8781567156597239808
PARAM_VALUE	0	dev_dax->dev.dma_ops->unmap_phys	0,3634718672199266304,5690836758666383360,6257189515678003200,7756707427785986048
PARAM_VALUE	0	dev_dax->dev.dma_ops->unmap_sg	0,1256335292805263360,8472845699660435456,8676762248147066880,8920167536469053440
PARAM_VALUE	0	dev_dax->dev.dma_pools.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_pools.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.dma_pools.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.flags	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->dev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->dev->fwnode	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->dev->p	1-u64max
PARAM_VALUE	0	dev_dax->dev.fwnode->dev->power.set_latency_tolerance	5740181548905971712
PARAM_VALUE	0	dev_dax->dev.fwnode->suppliers.next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.fwnode->suppliers.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev_dax->dev.kobj.release->timer->entry.pprev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.release.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	dev_dax->dev.links.consumers.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.consumers.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.consumers.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.defer_sync.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.links.suppliers.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.p->klist_children.get	2213798222526185472
PARAM_VALUE	0	dev_dax->dev.p->klist_children.put	3126867300421632000
PARAM_VALUE	0	dev_dax->dev.p->knode_bus.n_ref.refcount.refs.counter	1
PARAM_VALUE	0	dev_dax->dev.p->knode_class.n_ref.refcount.refs.counter	1
PARAM_VALUE	0	dev_dax->dev.p->knode_parent.n_ref.refcount.refs.counter	1
PARAM_VALUE	0	dev_dax->dev.physical_location->horizontal_position	0-3
PARAM_VALUE	0	dev_dax->dev.physical_location->panel	0-7
PARAM_VALUE	0	dev_dax->dev.physical_location->vertical_position	0-3
PARAM_VALUE	0	dev_dax->dev.power.entry.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.entry.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.entry.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.power.wait_queue.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev_dax->dyn_id	1
PARAM_VALUE	0	dev_dax->id	0-s32max
PARAM_VALUE	0	dev_dax->ida.xa.xa_flags	33554437
PARAM_VALUE	0	dev_dax->ida.xa.xa_head	0
PARAM_VALUE	0	dev_dax->memmap_on_memory	0
PARAM_VALUE	0	dev_dax->ranges	4096-ptr_max
PARAM_VALUE	0	dev_dax->region	4096-ptr_max
PARAM_VALUE	1	range_id	0
BUF_SIZE	0	dev_dax	1768
BUF_SIZE	0	dev_dax->pgmap	(-1),216
DATA_SOURCE	0	dev_dax	r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &dax_region_rwsem
HALF_LOCKED2		&of->mutex

drivers/dax/bus.c alloc_dev_dax_range() -> devm_register_dax_mapping()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev_dax	4096-ptr_max
PARAM_VALUE	0	dev_dax->dev.kobj.state_in_sysfs	1
PARAM_VALUE	0	dev_dax->ranges	4096-ptr_max
PARAM_VALUE	0	dev_dax->region	4096-ptr_max
PARAM_VALUE	0	dev_dax->region->dev	4096-ptr_max
PARAM_VALUE	0	dev_dax->region->dev->driver	1-u64max
PARAM_VALUE	0	dev_dax->region->res.child	4096-ptr_max
PARAM_VALUE	0	dev_dax->region->res.flags	0-2147483646,4294967296-u64max
BUF_SIZE	0	dev_dax->ranges	0-u64max
DATA_SOURCE	0	dev_dax	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&of->mutex
LOCK2		global &dax_dev_rwsem
LOCK2		global &dax_region_rwsem
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex