sas_free_task identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/scsi/libsas/sas_internal.h, line 64 (as a prototype)

Defined in 1 files as a function:

drivers/scsi/libsas/sas_init.c, line 59 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/scsi/libsas/sas_expander.c smp_execute_task_sg() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->lldd_task->abort	0
PARAM_VALUE	0	task->lldd_task->buf	0
PARAM_VALUE	0	task->lldd_task->buf_dma	0
PARAM_VALUE	0	task->lldd_task->cmd_hdr	0
PARAM_VALUE	0	task->lldd_task->cmd_hdr_dma	0
PARAM_VALUE	0	task->lldd_task->cmplt_queue	0
PARAM_VALUE	0	task->lldd_task->cmplt_queue_slot	0
PARAM_VALUE	0	task->lldd_task->completion	0,7334469522470457344
PARAM_VALUE	0	task->lldd_task->delivery.next	0
PARAM_VALUE	0	task->lldd_task->delivery.prev	0
PARAM_VALUE	0	task->lldd_task->device_id	0
PARAM_VALUE	0	task->lldd_task->dlvry_queue	0
PARAM_VALUE	0	task->lldd_task->dlvry_queue_slot	0
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->lldd_task->ha->seq.tc_index_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->lldd_task->idx	0
PARAM_VALUE	0	task->lldd_task->is_internal	0
PARAM_VALUE	0	task->lldd_task->n_elem	0
PARAM_VALUE	0	task->lldd_task->n_elem_dif	0
PARAM_VALUE	0	task->lldd_task->port	0
PARAM_VALUE	0	task->lldd_task->ready	0
PARAM_VALUE	0	task->lldd_task->sci_status	0-4294967295
PARAM_VALUE	0	task->lldd_task->scu_status	0-4294967295
PARAM_VALUE	0	task->lldd_task->slot_tag	4294967295
PARAM_VALUE	0	task->lldd_task->sm.current_state_id	0-4294967295
PARAM_VALUE	0	task->lldd_task->sm.previous_state_id	0-4294967295
PARAM_VALUE	0	task->lldd_task->tag	0
PARAM_VALUE	0	task->lldd_task->tag_valid	0
PARAM_VALUE	0	task->lldd_task->task	0
PARAM_VALUE	0	task->lldd_task->tdata	0
PARAM_VALUE	0	task->lldd_task->tmf	0
PARAM_VALUE	0	task->slow_task	0,4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.done	0-4294967293,u32max
PARAM_VALUE	0	task->slow_task->completion.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry->pprev	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry.pprev	0,4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_state_flags	1-u32max
PARAM_VALUE	0	task->task_state_lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	task	r sas_alloc_slow_task
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&dev->ex_dev.cmd_mutex
TYPE_LOCK		(struct expander_device)->cmd_mutex

drivers/scsi/libsas/sas_expander.c smp_execute_task_sg() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	0,4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	task->dev->ex_dev.cmd_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->lldd_task->abort	0
PARAM_VALUE	0	task->lldd_task->buf	0
PARAM_VALUE	0	task->lldd_task->buf_dma	0
PARAM_VALUE	0	task->lldd_task->cmd_hdr	0
PARAM_VALUE	0	task->lldd_task->cmd_hdr_dma	0
PARAM_VALUE	0	task->lldd_task->cmplt_queue	0
PARAM_VALUE	0	task->lldd_task->cmplt_queue_slot	0
PARAM_VALUE	0	task->lldd_task->completion	0,7334469522470457344
PARAM_VALUE	0	task->lldd_task->delivery.next	0
PARAM_VALUE	0	task->lldd_task->delivery.prev	0
PARAM_VALUE	0	task->lldd_task->device_id	0
PARAM_VALUE	0	task->lldd_task->dlvry_queue	0
PARAM_VALUE	0	task->lldd_task->dlvry_queue_slot	0
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->cma_area->alloc_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	task->lldd_task->ha->scb_pool->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->lldd_task->ha->seq.tc_index_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->lldd_task->idx	0
PARAM_VALUE	0	task->lldd_task->is_internal	0
PARAM_VALUE	0	task->lldd_task->n_elem	0
PARAM_VALUE	0	task->lldd_task->n_elem_dif	0
PARAM_VALUE	0	task->lldd_task->port	0
PARAM_VALUE	0	task->lldd_task->ready	0
PARAM_VALUE	0	task->lldd_task->sci_status	0-4294967295
PARAM_VALUE	0	task->lldd_task->scu_status	0-4294967295
PARAM_VALUE	0	task->lldd_task->slot_tag	4294967295
PARAM_VALUE	0	task->lldd_task->sm.current_state_id	0-4294967295
PARAM_VALUE	0	task->lldd_task->sm.previous_state_id	0-4294967295
PARAM_VALUE	0	task->lldd_task->tag	0
PARAM_VALUE	0	task->lldd_task->tag_valid	0
PARAM_VALUE	0	task->lldd_task->task	0
PARAM_VALUE	0	task->lldd_task->tdata	0
PARAM_VALUE	0	task->lldd_task->tmf	0
PARAM_VALUE	0	task->slow_task	0,4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.done	0-4294967293,u32max
PARAM_VALUE	0	task->slow_task->completion.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry->pprev	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry.pprev	0,4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_state_lock.rlock.dep_map->name	0-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/libsas/sas_ata.c sas_ata_internal_abort() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->dev->port->ha	4096-ptr_max
PARAM_VALUE	0	task->dev->port->ha->shost	4096-ptr_max
PARAM_VALUE	0	task->task_state_flags	0,2-u32max
PARAM_VALUE	0	task->task_state_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->uldd_task	0
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&ap->host->eh_mutex

drivers/scsi/libsas/sas_ata.c sas_ata_qc_issue() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->task_done	3918347278450892800
PARAM_VALUE	0	task->task_proto	4
PARAM_VALUE	0	task->task_state_flags	1
PARAM_VALUE	0	task->uldd_task	4096-ptr_max
BUF_SIZE	0	task->dev	1,8,16,20,24,32,40,48,72,112,208,552,576,2080,2576,8064
BUF_SIZE	0	task->uldd_task	(-1),240
DATA_SOURCE	0	task	r sas_alloc_task
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	task->ata_task.dma_xfer	0
HOST_DATA	0	task->ata_task.use_ncq	0
NO_OVERFLOW_SIMPLE	0	task->num_scatter
LOCK2		ap->lock
HALF_LOCKED2		flags

drivers/scsi/libsas/sas_ata.c sas_ata_task_done() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->tmf->tmf	0-2,4,8,128
PARAM_VALUE	0	task->uldd_task	0,4096-ptr_max
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task->dev	(-1)-9216
CAPPED_DATA	0	task	1
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	task->ata_task.dma_xfer	0
HOST_DATA	0	task->ata_task.use_ncq	0
NO_OVERFLOW_SIMPLE	0	task->num_scatter
HALF_LOCKED2		&circularQ->oq_lock
HALF_LOCKED2		&hisi_hba->lock
HALF_LOCKED2		&mvi->lock
HALF_LOCKED2		&pm8001_ha->lock
HALF_LOCKED2		circularQ->lock_flags
HALF_LOCKED2		flags

drivers/scsi/libsas/sas_scsi_host.c sas_end_task() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task->tmf->tmf	0-2,4,8,128
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task->dev	(-1)-9216
DATA_SOURCE	0	task	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	task->ata_task.dma_xfer	0
HOST_DATA	0	task->ata_task.use_ncq	0
NO_OVERFLOW_SIMPLE	0	task->num_scatter
UNITS	0	task	unit_array_size

drivers/scsi/libsas/sas_scsi_host.c sas_execute_internal_abort() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->abort_task.type	0-1
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->lldd_task->task	0
PARAM_VALUE	0	task->slow_task	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.done	0-4294967293,u32max
PARAM_VALUE	0	task->slow_task->completion.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner	(-1)
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner_cpu	u32max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry->pprev	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry.pprev	0,4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_proto	16
PARAM_VALUE	0	task->task_state_flags	1
BUF_SIZE	0	task->dev	(-1),1,8,16,20,24,32,40,48,56,64,72,112,208,552,576,2080,2576,8064
DATA_SOURCE	0	task	r sas_alloc_slow_task
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/libsas/sas_scsi_host.c sas_execute_internal_abort() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	0,4096-ptr_max
PARAM_VALUE	0	task->abort_task.type	0-1
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->lldd_task->task	0
PARAM_VALUE	0	task->slow_task	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.done	0-4294967293,u32max
PARAM_VALUE	0	task->slow_task->completion.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner	(-1)
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner_cpu	u32max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry->pprev	4096-ptr_max
PARAM_VALUE	0	task->slow_task->timer.entry.pprev	0,4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_proto	16
PARAM_VALUE	0	task->task_state_flags	1
BUF_SIZE	0	task->dev	(-1),1,8,16,20,24,32,40,48,56,64,72,112,208,552,576,2080,2576,8064
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/libsas/sas_scsi_host.c sas_execute_tmf() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->slow_task	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.done	0-4294967293,u32max
PARAM_VALUE	0	task->slow_task->completion.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner	(-1)
PARAM_VALUE	0	task->slow_task->completion.wait.lock.owner_cpu	u32max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next	4096-ptr_max
PARAM_VALUE	0	task->slow_task->completion.wait.task_list.prev->next->next	4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_state_flags	1
PARAM_VALUE	0	task->tmf	553588228365553664,658506626405281792,6392034509983375360,6398807174501920768,8095472927543001088,8663343843161919488
PARAM_VALUE	0	task->tmf->tmf	0-2,4,8,128
BUF_SIZE	0	task->dev	(-1),1,8,16,20,24,32,40,48,56,64,72,112,208,552,576,2080,2576,8064
DATA_SOURCE	0	task	r sas_alloc_slow_task
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/libsas/sas_scsi_host.c sas_execute_tmf() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	0,4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->slow_task	4096-ptr_max
PARAM_VALUE	0	task->task_done	1642107022308868096
PARAM_VALUE	0	task->task_state_flags	1
PARAM_VALUE	0	task->tmf	553588228365553664,658506626405281792,6392034509983375360,6398807174501920768,8095472927543001088,8663343843161919488
PARAM_VALUE	0	task->tmf->tmf	0-2,4,8,128
BUF_SIZE	0	task->dev	(-1),1,8,16,20,24,32,40,48,56,64,72,112,208,552,576,2080,2576,8064
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/libsas/sas_scsi_host.c sas_queuecommand() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->dev_type	0-4,6,10-u32max
PARAM_VALUE	0	task->ssp_task.cmd	4096-ptr_max
PARAM_VALUE	0	task->ssp_task.cmd->device	4096-ptr_max
PARAM_VALUE	0	task->ssp_task.cmd->flags	0-s32max
PARAM_VALUE	0	task->ssp_task.cmd->host_scribble	4096-ptr_max
PARAM_VALUE	0	task->ssp_task.cmd->resid_len	0
PARAM_VALUE	0	task->ssp_task.cmd->submitter	0-1
PARAM_VALUE	0	task->ssp_task.task_attr	0
PARAM_VALUE	0	task->task_done	2805041232324952064
PARAM_VALUE	0	task->task_state_flags	1
PARAM_VALUE	0	task->uldd_task	4096-ptr_max
BUF_SIZE	0	task->dev	16,24,48,56,64
DATA_SOURCE	0	task	r sas_create_task
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&sdev->state_mutex

drivers/scsi/libsas/sas_scsi_host.c sas_scsi_task_done() -> sas_free_task()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->dev	4096-ptr_max
PARAM_VALUE	0	task->dev->port	4096-ptr_max
PARAM_VALUE	0	task->tmf->tmf	0-2,4,8,128
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task	(-1)-s32max
BUF_SIZE	0	task->dev	(-1)-9216
CAPPED_DATA	0	task	1
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	task->ata_task.dma_xfer	0
HOST_DATA	0	task->ata_task.use_ncq	0
NO_OVERFLOW_SIMPLE	0	task->num_scatter
HALF_LOCKED2		&circularQ->oq_lock
HALF_LOCKED2		&hisi_hba->lock
HALF_LOCKED2		&mvi->lock
HALF_LOCKED2		&pm8001_ha->lock
HALF_LOCKED2		circularQ->lock_flags
HALF_LOCKED2		flags