ioat_get_ring_ent identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/dma/ioat/dma.h, line 334 (as a function)

Referenced in 3 files:

Smatch caller information:

drivers/dma/ioat/dma.c __ioat_cleanup() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c __ioat_cleanup() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c __ioat_restart_chan() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
CAPPED_DATA	0	&ioat_chan->timer	1
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c __ioat_start_null_desc() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
BUF_SIZE	0	ioat_chan->ring	(-1),524288
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2	0	&ioat_chan->prep_lock

drivers/dma/ioat/dma.c ioat_abort_descs() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c ioat_abort_descs() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c ioat_abort_descs() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&ioat_chan->cleanup_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/dma.c ioat_eh() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->cleanup_lock
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock

drivers/dma/ioat/init.c ioat_free_chan_resources() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	1-u64max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
HOST_DATA	0	*ioat_chan->ioat_dma	s64min-s64max
LOCK2		bh
LOCK2	0	&ioat_chan->cleanup_lock
LOCK2	0	&ioat_chan->prep_lock
HALF_LOCKED2		global &dma_list_mutex
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/init.c ioat_free_chan_resources() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	1-u64max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->ioat_dma->cap	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->chancnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chan_ida.xa.xa_flags	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.chancnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.copy_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.desc_metadata_modes	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.descriptor_reuse	0-1
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dev_id	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.directions	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.dst_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.fill_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.filter.mapcnt	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_pq	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_sg_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.max_xor	0-u16max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.min_burst	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.pq_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.privatecnt	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.ref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.residue_granularity	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.src_addr_widths	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->dma_dev.xor_align	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->irq_mode	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixdata0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->msixpba	0-u32max
HOST_DATA	0	ioat_chan->ioat_dma->msixtba0	0-u64max
HOST_DATA	0	ioat_chan->ioat_dma->version	0-255
HOST_DATA	0	*ioat_chan->ioat_dma	s64min-s64max
LOCK2		bh
LOCK2	0	&ioat_chan->cleanup_lock
LOCK2	0	&ioat_chan->prep_lock
HALF_LOCKED2		global &dma_list_mutex
TYPE_LOCK		(struct ioatdma_chan)->cleanup_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_pq16_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_pq_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_pq_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_pq_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_xor_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_xor_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c __ioat_prep_xor_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
PARAM_VALUE	0	ioat_chan->ring	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c ioat_dma_prep_memcpy_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	ioat_chan->produce	2-u16max[c]
USER_DATA	0	ioat_chan->produce	2-u16max[c]
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
HALF_LOCKED2		&dmm->wa_lock
HALF_LOCKED2		&mem->spi->controller->bus_lock_mutex
HALF_LOCKED2		&mem->spi->controller->io_mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&qspi->list_lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct ioatdma_chan)->prep_lock

drivers/dma/ioat/prep.c ioat_prep_interrupt_lock() -> ioat_get_ring_ent()

Type	Parameter	Key	Value
PARAM_VALUE	0	ioat_chan	4096-ptr_max
DATA_SOURCE	0	ioat_chan	r to_ioat_chan
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		bh
LOCK2	0	&ioat_chan->prep_lock
TYPE_LOCK		(struct ioatdma_chan)->prep_lock