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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

drivers/nvme/target/pci-epf.c nvmet_pci_epf_configure_bar() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->bar 4096-ptr_max
PARAM_VALUE 2 bar 0
PARAM_VALUE 3 epc_features 4096-ptr_max
PARAM_VALUE 3 epc_features->bar 4096-ptr_max
PARAM_VALUE 4 type 0
BUF_SIZE 3 epc_features (-1),208
BUF_SIZE 3 epc_features (-1),208
CAPPED_DATA 1 size 1
CAPPED_DATA 1 size 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 size unit_byte
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock

drivers/pci/endpoint/functions/pci-epf-ntb.c epf_ntb_config_spad_bar_alloc() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->dev.devres_head.prev 4096-ptr_max
PARAM_VALUE 0 epf->epc 4096-ptr_max
PARAM_VALUE 0 epf->func_no 0-254
PARAM_VALUE 0 epf->sec_epc 4096-ptr_max
PARAM_VALUE 0 epf->sec_epc_func_no 0-254
PARAM_VALUE 3 epc_features 4096-ptr_max
PARAM_VALUE 3 epc_features->bar 4096-ptr_max
PARAM_VALUE 4 type 0-1
CAPPED_DATA 0 epf->func_no 1
CAPPED_DATA 0 epf->sec_epc_func_no 1
CAPPED_DATA 0 epf->vfunc_no 1
DATA_SOURCE 4 type $1
FUZZY_MAX 4 type 1
HARD_MAX 4 type 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 size unit_byte
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock

drivers/pci/endpoint/functions/pci-epf-test.c pci_epf_test_alloc_space() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->driver 4096-ptr_max
PARAM_VALUE 0 epf->driver->ops 4096-ptr_max
PARAM_VALUE 0 epf->driver->owner 0,4096-ptr_max
PARAM_VALUE 0 epf->epc 4096-ptr_max
PARAM_VALUE 0 epf->epc->list_lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->epc->list_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->epc->lock.dep_map->name 0-255
PARAM_VALUE 0 epf->epc->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->epc->max_functions 1-255
PARAM_VALUE 0 epf->epc->max_vfs 0,4096-ptr_max
PARAM_VALUE 0 epf->func_no 0-63
PARAM_VALUE 0 epf->sec_epc 4096-ptr_max
PARAM_VALUE 0 epf->sec_epc->list_lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->sec_epc->list_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->sec_epc_func_no 0-63
PARAM_VALUE 1 size 128-1056880
PARAM_VALUE 3 epc_features 4096-ptr_max
PARAM_VALUE 4 type 0
CAPPED_DATA 0 epf->func_no 1
CAPPED_DATA 0 epf->vfunc_no 1
DATA_SOURCE 0 epf $0
CONSTRAINT 0 epf <2180
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
HALF_LOCKED2 0 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock

drivers/pci/endpoint/functions/pci-epf-test.c pci_epf_test_alloc_space() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->driver 4096-ptr_max
PARAM_VALUE 0 epf->driver->ops 4096-ptr_max
PARAM_VALUE 0 epf->driver->owner 0,4096-ptr_max
PARAM_VALUE 0 epf->epc 4096-ptr_max
PARAM_VALUE 0 epf->epc->dev.parent->cma_area->nranges s32min-s32max
PARAM_VALUE 0 epf->epc->list_lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->epc->list_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->epc->lock.dep_map->name 0-255
PARAM_VALUE 0 epf->epc->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->epc->max_functions 1-255
PARAM_VALUE 0 epf->epc->max_vfs 0,4096-ptr_max
PARAM_VALUE 0 epf->func_no 0-63
PARAM_VALUE 0 epf->sec_epc 4096-ptr_max
PARAM_VALUE 0 epf->sec_epc->list_lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 epf->sec_epc->list_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 epf->sec_epc_func_no 0-63
PARAM_VALUE 2 bar 0-5
PARAM_VALUE 3 epc_features 4096-ptr_max
PARAM_VALUE 3 epc_features->bar 4096-ptr_max
PARAM_VALUE 4 type 0
CAPPED_DATA 0 epf->func_no 1
CAPPED_DATA 0 epf->vfunc_no 1
CAPPED_DATA 2 bar 1
DATA_SOURCE 0 epf $0
DATA_SOURCE 2 bar r pci_epc_get_next_free_bar
CONSTRAINT 0 epf <2180
RX_PATH
TASK_NOT_RUNNING
UNITS 1 size unit_byte
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
HALF_LOCKED2 0 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock

drivers/pci/endpoint/functions/pci-epf-vntb.c epf_ntb_config_spad_bar_alloc() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->epc 0,4096-u64max
PARAM_VALUE 1 size 0-u32max
PARAM_VALUE 4 type 0
BUF_SIZE 3 epc_features (-1),208
BUF_SIZE 3 epc_features (-1),208
DATA_SOURCE 3 epc_features r pci_epc_get_features
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock

drivers/pci/endpoint/functions/pci-epf-vntb.c epf_ntb_db_bar_init() -> pci_epf_alloc_space()

Type Parameter Key Value
PARAM_VALUE 0 epf 4096-ptr_max
PARAM_VALUE 0 epf->bar 4096-ptr_max
PARAM_VALUE 0 epf->db_msg 0
PARAM_VALUE 0 epf->epc 4096-ptr_max
PARAM_VALUE 0 epf->epc->dev.parent->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 0 epf->epc->lock.dep_map->name 0-255
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 epf->epc->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 epf->epc->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 epf->epc->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 epf->epc->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 epf->epc->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 epf->epc->max_functions 1-255
PARAM_VALUE 0 epf->func_no 0-254
PARAM_VALUE 0 epf->num_db 0
PARAM_VALUE 0 *epf->epc->dev.driver_data->bar_to_atu 0-64
PARAM_VALUE 1 size 12-128
PARAM_VALUE 4 type 0
BUF_SIZE 3 epc_features (-1),208
BUF_SIZE 3 epc_features (-1),208
CAPPED_DATA 0 epf 1
CAPPED_DATA 0 epf->func_no 1
CAPPED_DATA 0 epf->vfunc_no 1
CAPPED_DATA 1 size 1
CAPPED_DATA 1 size 1
DATA_SOURCE 3 epc_features r pci_epc_get_features
FUZZY_MAX 1 size 128
PARAM_COMPARE 0 epf->epc->max_functions > $0->func_no
HARD_MAX 1 size 128
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dir->i_rwsem
HALF_LOCKED2 &epf->lock
TYPE_LOCK (struct inode)->i_rwsem
TYPE_LOCK (struct pci_epf)->lock