Defined in 2 files as a function:
- include/linux/dmaengine.h, line 684 (as a function)
- include/linux/dmaengine.h, line 712 (as a function)
Referenced in 1 files:
Smatch caller information:
crypto/async_tx/async_tx.c async_tx_channel_switch() -> txd_chain()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | txd | 4096-ptr_max |
| PARAM_VALUE | 0 | txd->next | 0 |
| PARAM_VALUE | 1 | next | 4096-ptr_max |
| PARAM_VALUE | 1 | next->parent | 0 |
| BUF_SIZE | 0 | txd | (-1)-0,176 |
| BUF_SIZE | 0 | txd | (-1)-0,176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next->callback_param | (-1)-0,96 |
| CAPPED_DATA | 0 | txd->chan | 1 |
| CAPPED_DATA | 1 | next->chan | 1 |
| DATA_SOURCE | 0 | txd | $0 |
| DATA_SOURCE | 1 | next | $1 |
| PARAM_COMPARE | 0 | txd->chan | == $1->chan |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | bh | ||
| LOCK2 | 0 | &txd->lock | |
| TYPE_LOCK | (struct dma_async_tx_descriptor)->lock |
crypto/async_tx/async_tx.c async_tx_channel_switch() -> txd_chain()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | txd | 4096-ptr_max |
| PARAM_VALUE | 1 | next | 4096-ptr_max |
| PARAM_VALUE | 1 | next->parent | 0 |
| BUF_SIZE | 0 | txd | 176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next->callback_param | (-1)-0,96 |
| DATA_SOURCE | 1 | next | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &ioat_chan->prep_lock | ||
| HALF_LOCKED2 | bh |
crypto/async_tx/async_tx.c async_tx_channel_switch() -> txd_chain()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | txd | 4096-ptr_max |
| PARAM_VALUE | 0 | txd->next | 0 |
| PARAM_VALUE | 1 | next | 4096-ptr_max |
| BUF_SIZE | 0 | txd | (-1)-0,176 |
| BUF_SIZE | 0 | txd | (-1)-0,176 |
| BUF_SIZE | 1 | next | 176 |
| CAPPED_DATA | 0 | txd->chan | 1 |
| DATA_SOURCE | 0 | txd | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | bh | ||
| LOCK2 | 0 | &txd->lock | |
| HALF_LOCKED2 | &ioat_chan->prep_lock | ||
| TYPE_LOCK | (struct dma_async_tx_descriptor)->lock |
crypto/async_tx/async_tx.c async_tx_submit() -> txd_chain()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | txd | 4096-ptr_max |
| PARAM_VALUE | 0 | txd->next | 0 |
| PARAM_VALUE | 1 | next | 4096-ptr_max |
| PARAM_VALUE | 1 | next->parent | 0 |
| BUF_SIZE | 0 | txd | (-1),176 |
| BUF_SIZE | 0 | txd | (-1),176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next | (-1),176 |
| BUF_SIZE | 1 | next->callback_param | (-1)-0,96 |
| CAPPED_DATA | 0 | txd->chan | 1 |
| DATA_SOURCE | 1 | next | $1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | bh | ||
| LOCK2 | 0 | &txd->lock | |
| TYPE_LOCK | (struct dma_async_tx_descriptor)->lock |