Defined in 1 files as a prototype:
Referenced in 4 files:
- drivers/pci/pci-sysfs.c
- drivers/pci/proc.c
- drivers/pci/syscall.c, line 108
- drivers/vfio/pci/vfio_pci_config.c, line 162
Smatch caller information:
drivers/pci/proc.c proc_bus_pci_write() -> pci_user_write_config_byte()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cfg_size | 1-s32max |
| PARAM_VALUE | 0 | dev->dev.parent | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->bus | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->type | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq->status | 0-4294967295 |
| PARAM_VALUE | 1 | pos | 1-1000000000 |
| BUF_SIZE | 0 | dev | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dev | s32min-(-2),1-s32max |
| CAPPED_DATA | 1 | pos | 1 |
| BIT_INFO | 1 | pos | 0x1,0x3fffffff |
| NOSPEC | 1 | pos | |
| NOSPEC | 1 | pos | |
| NOCHECK_CALL | |||
| USER_DATA | 1 | pos | 1-1000000000[c] |
| UNITS | 0 | dev | unit_array_size |
| UNITS | 1 | pos | unit_byte |
drivers/pci/proc.c proc_bus_pci_write() -> pci_user_write_config_byte()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cfg_size | 1-s32max |
| PARAM_VALUE | 0 | dev->dev.parent | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->bus | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->type | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq->status | 0-4294967295 |
| BUF_SIZE | 0 | dev | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | dev | s32min-(-2),1-s32max |
| NOSPEC | 1 | pos | |
| NOSPEC | 1 | pos | |
| NOCHECK_CALL | |||
| USER_DATA | 1 | pos | 0-1000000012[c] |
| UNITS | 0 | dev | unit_array_size |
| UNITS | 1 | pos | unit_byte |
drivers/pci/pci-sysfs.c pci_write_config() -> pci_user_write_config_byte()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->bus | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->type | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq->status | 0-4294967295 |
| CAPPED_DATA | 0 | dev->cfg_size | 1 |
| CAPPED_DATA | 1 | pos | 1 |
| DATA_SOURCE | 1 | pos | $4 |
| PARAM_COMPARE | 0 | dev->cfg_size | > $1 |
| PARAM_COMPARE | 1 | pos | < $0->cfg_size |
| BIT_INFO | 1 | pos | 0x1,0x7fffffff |
| NOSPEC | 1 | pos | |
| NOSPEC | 1 | pos | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | pos | 1-4095[c] |
| UNITS | 1 | pos | unit_byte |
| LOCK2 | &of->mutex | ||
| HALF_LOCKED2 | &of->prealloc_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct kernfs_open_file)->mutex |
drivers/pci/pci-sysfs.c pci_write_config() -> pci_user_write_config_byte()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->bus | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.parent->type | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq->status | 0-4294967295 |
| CAPPED_DATA | 0 | dev->cfg_size | 1 |
| DATA_SOURCE | 1 | pos | $4 [m] |
| NOSPEC | 1 | pos | |
| NOSPEC | 1 | pos | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 1 | pos | 0-4107[c] |
| UNITS | 1 | pos | unit_byte |
| LOCK2 | &of->mutex | ||
| HALF_LOCKED2 | &of->prealloc_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct kernfs_open_file)->mutex |
drivers/vfio/pci/vfio_pci_config.c vfio_user_config_write() -> pci_user_write_config_byte()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dev | 4096-ptr_max |
| PARAM_VALUE | 0 | dev->cfg_size | 1-s32max |
| PARAM_VALUE | 0 | dev->dev.bus | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.class | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.request | 0-4 |
| PARAM_VALUE | 0 | dev->dev.power.runtime_error | s32min-(-17),(-15)-(-14),(-12),(-10)-s32max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq | 0,4096-ptr_max |
| PARAM_VALUE | 0 | dev->dev.power.wakeirq->status | 0-4294967295 |
| PARAM_VALUE | 0 | dev->dev.type | 0,4096-ptr_max |
| PARAM_VALUE | 0 | *dev->saved_config_space | 0-4294967295 |
| PARAM_VALUE | 1 | pos | 0-2147483646 |
| CAPPED_DATA | 1 | pos | 1 |
| DATA_SOURCE | 0 | dev | $0 |
| DATA_SOURCE | 1 | pos | $1 |
| DATA_SOURCE | 2 | val | $2 |
| NOSPEC | 1 | pos | |
| HOST_DATA | 0 | dev->current_state | 0-3[c] |
| HOST_DATA | 2 | val | 0-255[c] |
| USER_DATA | 1 | pos | 0-1000000004[c] |
| USER_DATA | 2 | val | 0-255 |