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Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

drivers/iommu/intel/nested.c intel_nested_set_dev_pasid() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
DATA_SOURCE 0 dev $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &group->mutex
HALF_LOCKED2 &igroup->lock
HALF_LOCKED2 _T->lock

drivers/iommu/intel/iommu.c device_block_translation() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
BUF_SIZE 0 dev (-1)-0,24-s32max
BUF_SIZE 0 dev (-1)-0,24-s32max
BUF_SIZE 0 dev->bus (-1),168
BUF_SIZE 0 dev->dma_mask (-1),8
BUF_SIZE 0 dev->dma_parms (-1),16
BUF_SIZE 0 dev->groups (-1),16
BUF_SIZE 0 dev->init_name (-1),14
BUF_SIZE 0 dev->parent (-1),1616
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $0
STR_LEN 0 dev->parent (-1),4-5,13
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 dev->class 0-16777215
HOST_DATA 0 dev->flags 0-u32max
HOST_DATA 0 dev->iommu.max_pasids 0-u32max
NO_OVERFLOW_SIMPLE 0 dev->cma_area->available_count
HALF_LOCKED2 0 &dev->mutex

drivers/iommu/intel/iommu.c dmar_domain_attach_device() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
BUF_SIZE 0 dev (-1),1616
BUF_SIZE 0 dev (-1),1616
BUF_SIZE 0 dev->dma_mask (-1),8
BUF_SIZE 0 dev->dma_parms (-1),16
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 dev->class 0-16777215
HOST_DATA 0 dev->flags 0-u32max
HOST_DATA 0 dev->iommu.max_pasids 0-u32max
NO_OVERFLOW_SIMPLE 0 dev->cma_area->available_count
HALF_LOCKED2 &group->mutex

drivers/iommu/intel/iommu.c identity_domain_attach_dev() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
DATA_SOURCE 0 dev $1

drivers/iommu/intel/iommu.c identity_domain_set_dev_pasid() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
DATA_SOURCE 0 dev $1

drivers/iommu/intel/iommu.c intel_iommu_probe_device() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &iommu_probe_device_lock

drivers/iommu/intel/iommu.c intel_iommu_probe_device() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &iommu_probe_device_lock

drivers/iommu/intel/iommu.c intel_iommu_probe_finalize() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
BUF_SIZE 0 dev (-1)-0,4,16,24-s32max
BUF_SIZE 0 dev (-1)-0,4,16,24-s32max
BUF_SIZE 0 dev->bus (-1),168
BUF_SIZE 0 dev->dma_mask (-1),8
BUF_SIZE 0 dev->dma_parms (-1),16
BUF_SIZE 0 dev->groups (-1),16
BUF_SIZE 0 dev->init_name (-1),14
BUF_SIZE 0 dev->parent (-1),1616
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $0
STR_LEN 0 dev->parent (-1),4-5,13
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 dev->flags 4096-u32max
HALF_LOCKED2 0 &dev->mutex

drivers/iommu/intel/iommu.c intel_iommu_release_device() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &group->mutex
HALF_LOCKED2 global &iommu_probe_device_lock
TYPE_LOCK (struct iommu_group)->mutex

drivers/iommu/intel/iommu.c intel_iommu_set_dev_pasid() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
DATA_SOURCE 0 dev $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &group->mutex
HALF_LOCKED2 &igroup->lock
HALF_LOCKED2 _T->lock

drivers/iommu/intel/iommu.c paging_domain_compatible() -> dev_is_real_dma_subdevice()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
BUF_SIZE 0 dev (-1),1616
BUF_SIZE 0 dev (-1),1616
BUF_SIZE 0 dev->dma_mask (-1),8
BUF_SIZE 0 dev->dma_parms (-1),16
CAPPED_DATA 0 dev 1
DATA_SOURCE 0 dev $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 dev->class 0-16777215
HOST_DATA 0 dev->flags 0-u32max
HOST_DATA 0 dev->iommu.max_pasids 0-u32max
NO_OVERFLOW_SIMPLE 0 dev->cma_area->available_count
HALF_LOCKED2 &group->mutex