Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
- drivers/comedi/comedi_buf.c, line 465
- drivers/comedi/drivers/ni_660x.c, line 464
- drivers/comedi/drivers/ni_mio_common.c
Smatch caller information:
drivers/comedi/drivers/ni_660x.c ni_660x_input_poll() -> comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async->events | 0,4-u32max |
| PARAM_VALUE | 0 | s->async->run_complete.wait.lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | s->async->run_complete.wait.lock.owner | (-1) |
| PARAM_VALUE | 0 | s->async->run_complete.wait.lock.owner_cpu | u32max |
| PARAM_VALUE | 0 | s->async->run_complete.wait.lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | s->busy | 4096-ptr_max |
| PARAM_VALUE | 0 | s->poll | 1-u64max |
| PARAM_VALUE | 0 | s->private | 4096-ptr_max |
| PARAM_VALUE | 0 | s->spin_lock.rlock.dep_map->name | 0-255 |
| CAPPED_DATA | 0 | s->async->prealloc_bufsz | 1 |
| CAPPED_DATA | 0 | s->busy | 1 |
| DATA_SOURCE | 0 | s | $1 |
| LOCK2 | &dev->mutex | ||
| TYPE_LOCK | (struct comedi_device)->mutex |
drivers/comedi/drivers/ni_mio_cs.c ni_ao_fifo_half_empty() -> comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &dev->spinlock | ||
| HALF_LOCKED2 | &desc->request_mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| TYPE_LOCK | (struct comedi_device)->spinlock |
drivers/comedi/drivers/ni_mio_cs.c ni_ao_prep_fifo() -> comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $1 |
| LOCK2 | &dev->mutex | ||
| TYPE_LOCK | (struct comedi_device)->mutex |
drivers/comedi/drivers/ni_atmio.c ni_ao_fifo_half_empty() -> comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| PARAM_VALUE | 0 | s->async | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &dev->spinlock | ||
| HALF_LOCKED2 | &desc->request_mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| TYPE_LOCK | (struct comedi_device)->spinlock |
drivers/comedi/drivers/ni_atmio.c ni_ao_prep_fifo() -> comedi_buf_read_n_available()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | s | 4096-ptr_max |
| DATA_SOURCE | 0 | s | $1 |
| LOCK2 | &dev->mutex | ||
| TYPE_LOCK | (struct comedi_device)->mutex |