Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 2 files as a function:

Referenced in 9 files:

Smatch caller information:

drivers/comedi/drivers/das1800.c das1800_init_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 16
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 1-2
PARAM_VALUE 4 maxsize 130816
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
FUZZY_MAX 1 n_desc 2
CAPABLE 0 21
NOSPEC 0 dev->iobase
HARD_MAX 1 n_desc 2
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
USER_DATA 2 dma_chan1 0-u32max
USER_DATA 3 dma_chan2 0-u32max
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/das16.c das16_alloc_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 4096-ptr_max
PARAM_VALUE 0 dev->board_ptr->id 0,16-240
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-u32max
PARAM_VALUE 0 dev->iolen 0-1023
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->pacer 4096-ptr_max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 2
PARAM_VALUE 2 dma_chan1 1,3
PARAM_VALUE 3 dma_chan2 1,3
PARAM_VALUE 4 maxsize 65280
PARAM_VALUE 5 dma_dir 0
BUF_SIZE 0 dev->pacer 88
CAPPED_DATA 0 dev->board_ptr->id 1
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 dma_chan1 $1
DATA_SOURCE 3 dma_chan2 $1
FUZZY_MAX 0 dev->iolen 16
FUZZY_MAX 2 dma_chan1 3
FUZZY_MAX 3 dma_chan2 3
CAPABLE 0 21
BIT_INFO 0 dev->pacer->iocb 0x1108004000000,0xffffffffffffffff
BIT_INFO 2 dma_chan1 0x1,0x3
BIT_INFO 3 dma_chan2 0x1,0x3
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-u32max[c]
USER_DATA 0 dev->pacer->context 1-4294967307,18446744071562067968-u64max[c]
USER_DATA 0 dev->pacer->osc_base 100,1000[c]
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/pcl816.c pcl816_alloc_irq_and_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 0,4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 16
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 2
PARAM_VALUE 2 dma_chan1 1,3
PARAM_VALUE 3 dma_chan2 1,3
PARAM_VALUE 4 maxsize 16384
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
FUZZY_MAX 2 dma_chan1 3
FUZZY_MAX 3 dma_chan2 3
CAPABLE 0 21
BIT_INFO 2 dma_chan1 0x1,0x3
BIT_INFO 3 dma_chan2 0x1,0x3
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/ni_labpc_isadma.c labpc_init_dma_chan() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 0,4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 32
PARAM_VALUE 0 dev->irq 1-u32max
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->n_subdevices 5
PARAM_VALUE 0 dev->pacer 4096-ptr_max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 0 dev->private->cmd5 0-4294967163
PARAM_VALUE 0 dev->private->stat2 0-255
PARAM_VALUE 0 dev->read_subdev 4096-ptr_max
PARAM_VALUE 0 dev->read_subdev->insn_read 9099250592229588992
PARAM_VALUE 0 dev->read_subdev->len_chanlist 8
PARAM_VALUE 0 dev->read_subdev->maxdata 4095
PARAM_VALUE 0 dev->read_subdev->n_chan 8
PARAM_VALUE 0 dev->read_subdev->range_table 3126315317364846592,6193774383821656064
PARAM_VALUE 0 dev->read_subdev->subdev_flags 7405568
PARAM_VALUE 0 dev->read_subdev->type 1
PARAM_VALUE 0 dev->subdevices 4096-ptr_max
PARAM_VALUE 1 n_desc 1
PARAM_VALUE 2 dma_chan1 1,3
PARAM_VALUE 3 dma_chan2 1,3
PARAM_VALUE 4 maxsize 65280
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 dma_chan1 $1
DATA_SOURCE 3 dma_chan2 $1
CAPABLE 0 21
BIT_INFO 2 dma_chan1 0x1,0x3
BIT_INFO 3 dma_chan2 0x1,0x3
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
NO_OVERFLOW_SIMPLE 0 dev->n_subdevices
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/pcl818.c pcl818_alloc_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-u32max
PARAM_VALUE 0 dev->iolen 16,32
PARAM_VALUE 0 dev->irq 1-u32max
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 2
PARAM_VALUE 2 dma_chan1 1,3
PARAM_VALUE 3 dma_chan2 1,3
PARAM_VALUE 4 maxsize 16384
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 dma_chan1 $1
DATA_SOURCE 3 dma_chan2 $1
FUZZY_MAX 0 dev->iolen 32
FUZZY_MAX 2 dma_chan1 3
FUZZY_MAX 3 dma_chan2 3
CAPABLE 0 21
BIT_INFO 2 dma_chan1 0x1,0x3
BIT_INFO 3 dma_chan2 0x1,0x3
NOSPEC 0 dev->iobase
HARD_MAX 0 dev->iolen 32
USER_DATA 0 dev->iobase 1-u32max[c]
USER_DATA 0 dev->irq 2-7
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/ni_at_a2150.c a2150_alloc_irq_and_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_name 5074946973159563264,6725975048780611584
PARAM_VALUE 0 dev->board_ptr 4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 28
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 1
PARAM_VALUE 2 dma_chan1 0-7
PARAM_VALUE 3 dma_chan2 0-7
PARAM_VALUE 4 maxsize 65280
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
CAPABLE 0 21
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
USER_DATA 2 dma_chan1 0-7
USER_DATA 3 dma_chan2 0-7
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/pcl812.c pcl812_alloc_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 16
PARAM_VALUE 0 dev->irq 1-u32max
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 2
PARAM_VALUE 2 dma_chan1 1,3
PARAM_VALUE 3 dma_chan2 1,3
PARAM_VALUE 4 maxsize 8192
PARAM_VALUE 5 dma_dir 0
BUF_SIZE 0 dev->pacer (-1),88
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
DATA_SOURCE 2 dma_chan1 $1
DATA_SOURCE 3 dma_chan2 $1
FUZZY_MAX 2 dma_chan1 3
FUZZY_MAX 3 dma_chan2 3
CAPABLE 0 21
BIT_INFO 2 dma_chan1 0x1,0x3
BIT_INFO 3 dma_chan2 0x1,0x3
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
USER_DATA 0 dev->irq 1-15
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex

drivers/comedi/drivers/dt282x.c dt282x_alloc_dma() -> comedi_isadma_alloc()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 0 dev->attached 0
PARAM_VALUE 0 dev->board_ptr 0,4096-ptr_max
PARAM_VALUE 0 dev->driver 4096-ptr_max
PARAM_VALUE 0 dev->driver->attach 4096-ptr_max
PARAM_VALUE 0 dev->driver->board_name 0,4096-ptr_max
PARAM_VALUE 0 dev->driver->module 0
PARAM_VALUE 0 dev->driver->num_names 0-5,7-8,11,13-14,18,22
PARAM_VALUE 0 dev->iobase 1-s32max,18446744071562067968-u64max
PARAM_VALUE 0 dev->iolen 16
PARAM_VALUE 0 dev->minor s32min-65534
PARAM_VALUE 0 dev->mutex.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 dev->mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 dev->mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 dev->mutex.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 dev->mutex.wait_lock.owner (-1)
PARAM_VALUE 0 dev->mutex.wait_lock.owner_cpu u32max
PARAM_VALUE 0 dev->private 4096-ptr_max
PARAM_VALUE 1 n_desc 2
PARAM_VALUE 2 dma_chan1 5-7
PARAM_VALUE 3 dma_chan2 5-7
PARAM_VALUE 4 maxsize 4096
PARAM_VALUE 5 dma_dir 0
CAPPED_DATA 0 dev->minor 1
DATA_SOURCE 0 dev $0
CAPABLE 0 21
NOSPEC 0 dev->iobase
USER_DATA 0 dev->iobase 1-s32max,18446744071562067968-u64max[c]
UNITS 4 maxsize unit_byte
LOCK2 global &comedi_drivers_list_lock
LOCK2 0 &dev->mutex
TYPE_LOCK (struct comedi_device)->mutex