Defined in 2 files as a function:
- drivers/gpu/drm/xen/xen_drm_front_evtchnl.c, line 155 (as a function)
- sound/xen/xen_snd_front_evtchnl.c, line 191 (as a function)
Referenced in 2 files:
Smatch caller information:
drivers/gpu/drm/xen/xen_drm_front_evtchnl.c xen_drm_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.be_alloc | 1 |
| PARAM_VALUE | 0 | front_info->cfg.front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.front_info->cfg.front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.front_info->drm_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.num_connectors | 1-s32max |
| PARAM_VALUE | 0 | front_info->drm_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 1 | index | 0-s32max |
| PARAM_VALUE | 3 | type | 0 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 640-1374389534080 |
| CAPPED_DATA | 1 | index | 1 |
| DATA_SOURCE | 0 | front_info | $0 |
| CONSTRAINT | 1 | index | <3283 |
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 1 | index | |
| UNITS | 0 | front_info | unit_byte |
| UNITS | 1 | index | unit_array_size |
| LOCK2 | global &xenwatch_mutex |
drivers/gpu/drm/xen/xen_drm_front_evtchnl.c xen_drm_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.be_alloc | 1 |
| PARAM_VALUE | 0 | front_info->cfg.front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.front_info->cfg.front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.front_info->drm_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->cfg.num_connectors | 1-s32max |
| PARAM_VALUE | 0 | front_info->drm_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 1 | index | 0-s32max |
| PARAM_VALUE | 2 | channel | 4096-ptr_max |
| PARAM_VALUE | 3 | type | 1 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 640-1374389534080 |
| CAPPED_DATA | 1 | index | 1 |
| DATA_SOURCE | 0 | front_info | $0 |
| CONSTRAINT | 1 | index | <3283 |
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 1 | index | |
| UNITS | 0 | front_info | unit_byte |
| UNITS | 1 | index | unit_array_size |
| LOCK2 | global &xenwatch_mutex |
sound/xen/xen_snd_front_evtchnl.c xen_snd_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info->card | 0 |
| PARAM_VALUE | 0 | front_info->cfg.num_pcm_instances | 1-s32max |
| PARAM_VALUE | 0 | front_info->cfg.pcm_instances | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | *front_info->card_info->card->debugfs_root->d_fsdata | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root->p->name | 0-255 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root_link->name | 0-255 |
| PARAM_VALUE | 3 | type | 0 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 0-12288 |
| DATA_SOURCE | 0 | front_info | $0 |
| TASK_NOT_RUNNING | |||
| UNITS | 0 | front_info | unit_byte |
| LOCK2 | global &xenwatch_mutex |
sound/xen/xen_snd_front_evtchnl.c xen_snd_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info->card | 0 |
| PARAM_VALUE | 0 | front_info->cfg.num_pcm_instances | 1-s32max |
| PARAM_VALUE | 0 | front_info->cfg.pcm_instances | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | *front_info->card_info->card->debugfs_root->d_fsdata | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root->p->name | 0-255 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root_link->name | 0-255 |
| PARAM_VALUE | 2 | channel | 4096-ptr_max |
| PARAM_VALUE | 3 | type | 1 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 0-12288 |
| DATA_SOURCE | 0 | front_info | $0 |
| TASK_NOT_RUNNING | |||
| UNITS | 0 | front_info | unit_byte |
| LOCK2 | global &xenwatch_mutex |
sound/xen/xen_snd_front_evtchnl.c xen_snd_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info->card | 0 |
| PARAM_VALUE | 0 | front_info->cfg.num_pcm_instances | 1-s32max |
| PARAM_VALUE | 0 | front_info->cfg.pcm_instances | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | *front_info->card_info->card->debugfs_root->d_fsdata | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root->p->name | 0-255 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root_link->name | 0-255 |
| PARAM_VALUE | 3 | type | 0 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 0-12288 |
| DATA_SOURCE | 0 | front_info | $0 |
| TASK_NOT_RUNNING | |||
| UNITS | 0 | front_info | unit_byte |
| LOCK2 | global &xenwatch_mutex |
sound/xen/xen_snd_front_evtchnl.c xen_snd_front_evtchnl_create_all() -> evtchnl_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | front_info | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info | 0,4096-ptr_max |
| PARAM_VALUE | 0 | front_info->card_info->card | 0 |
| PARAM_VALUE | 0 | front_info->cfg.num_pcm_instances | 1-s32max |
| PARAM_VALUE | 0 | front_info->cfg.pcm_instances | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->evt_pairs | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | front_info->xb_dev->dev.devres_head.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 0 | *front_info->card_info->card->debugfs_root->d_fsdata | (-4611686018427387904)-4611686018427387903 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root->p->name | 0-255 |
| PARAM_VALUE | 0 | *front_info->card_info->card->proc_root_link->name | 0-255 |
| PARAM_VALUE | 2 | channel | 4096-ptr_max |
| PARAM_VALUE | 3 | type | 1 |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | front_info->evt_pairs | 0-12288 |
| DATA_SOURCE | 0 | front_info | $0 |
| TASK_NOT_RUNNING | |||
| UNITS | 0 | front_info | unit_byte |
| LOCK2 | global &xenwatch_mutex |