xe_map_memcpy_from identifier - Linux source code next-20260811

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/gpu/drm/xe/xe_map.h, line 31 (as a function)

Referenced in 15 files:

Smatch caller information:

drivers/gpu/drm/xe/xe_gsc_proxy.c proxy_query() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	36
PARAM_VALUE	4	len	16
NOCHECK_CALL
UNITS	3	src_offset	unit_byte
UNITS	4	len	unit_byte
LOCK2		&gsc->proxy.mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct xe_gsc)->proxy.mutex

drivers/gpu/drm/xe/xe_gsc_proxy.c proxy_query() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	52
NOCHECK_CALL
HOST_DATA	1	*dst	s64min-s64max
UNITS	1	dst	unit_byte
UNITS	3	src_offset	unit_byte
UNITS	4	len	unit_byte
LOCK2		&gsc->proxy.mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct xe_gsc)->proxy.mutex

drivers/gpu/drm/xe/xe_guc_ct.c g2h_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe->wedged.flag.counter	0
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	4	len	4
BUF_SIZE	1	dst	1024
DATA_SOURCE	0	xe	r ct_to_xe
DATA_SOURCE	1	dst	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte
LOCK2		&ct->fast_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct xe_guc_ct)->fast_lock

drivers/gpu/drm/xe/xe_guc_ct.c g2h_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe->wedged.flag.counter	0
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-17179869180
PARAM_VALUE	4	len	0-17179869180
BUF_SIZE	1	dst	1020
CAPPED_DATA	3	src_offset	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r ct_to_xe
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ct->fast_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct xe_guc_ct)->fast_lock

drivers/gpu/drm/xe/xe_guc_ct.c g2h_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe->wedged.flag.counter	0
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r ct_to_xe
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ct->fast_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct xe_guc_ct)->fast_lock

drivers/gpu/drm/xe/xe_guc_ct.c g2h_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe->wedged.flag.counter	0
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-17179869180
BUF_SIZE	1	dst	1020
CAPPED_DATA	3	src_offset	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r ct_to_xe
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ct->fast_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct xe_guc_ct)->fast_lock

drivers/gpu/drm/xe/xe_guc_ct.c guc_ct_snapshot_capture() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	1-u64max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
DATA_SOURCE	0	xe	r ct_to_xe
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&coredump->lock
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_guc_ct.c guc_ct_snapshot_capture() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
DATA_SOURCE	0	xe	r ct_to_xe
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&coredump->lock
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_guc_ct.c guc_ctb_snapshot_capture() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
PARAM_VALUE	4	len	64
BUF_SIZE	1	dst	64
DATA_SOURCE	0	xe	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte
HALF_LOCKED2		&coredump->lock
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_gsc.c memcpy_fw() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	16,4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
PARAM_VALUE	4	len	0-4000000
BUF_SIZE	1	dst	0-u32max
BUF_SIZE	1	dst	0-u32max
DATA_SOURCE	1	dst	r _kmalloc_noprof
NOCHECK_CALL
UNITS	4	len	unit_byte
BYTE_COUNT	1	==dst4	8050
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_guc_hwconfig.c xe_guc_hwconfig_copy() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
BUF_SIZE	1	dst	1-s32max
BUF_SIZE	1	dst	1-s32max
DATA_SOURCE	0	xe	r guc_to_xe
DATA_SOURCE	1	dst	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&m->lock

drivers/gpu/drm/xe/xe_oa.c xe_oa_copy_to_user() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	4	len	0-640,2147483648-u32max
BUF_SIZE	1	dst	64,128,192,256,320,576,640
CAPPED_DATA	3	src_offset	1
CAPPED_DATA	4	len	1
DATA_SOURCE	3	src_offset	$2
DATA_SOURCE	4	len	$3
NOCHECK_CALL
HOST_DATA	1	*dst	s64min-s64max
NO_OVERFLOW_SIMPLE	1	dst
LOCK2		&stream->stream_lock
TYPE_LOCK		(struct xe_oa_stream)->stream_lock

drivers/gpu/drm/xe/xe_gt.c xe_gt_record_default_lrcs() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe	4096-ptr_max
PARAM_VALUE	0	xe->drm.dev	4096-ptr_max
PARAM_VALUE	0	xe->pxp->status	s32min-s32max
PARAM_VALUE	0	xe->ttm.dev_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	xe->ttm.dev_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	xe->ttm.pool.dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	xe->ttm.pool.dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	xe->ttm.vma_manager->vm_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	xe->val.lock.first_waiter->handoff_set	0-1
PARAM_VALUE	1	dst	1-u64max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-u32max
PARAM_VALUE	4	len	8192,12288,16384,20480,24576,28672,32768,36864,57344,61440
DATA_SOURCE	1	dst	r drmm_kzalloc
BIT_INFO	4	len	0x0,0xffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/xe/xe_bo.c xe_bo_evict_pinned_copy() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0
BUF_SIZE	1	dst	s32min-(-2),1-s32max
DATA_SOURCE	0	xe	r ttm_to_xe_device
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	dst	unit_byte
HALF_LOCKED2		bo->ttm.base.resv

drivers/gpu/drm/xe/xe_bo.c xe_ttm_access_memory() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe	4096-ptr_max
PARAM_VALUE	2	src	4076072236734345216
PARAM_VALUE	2	src->is_iomem	1
PARAM_VALUE	2	src->vaddr	4096-ptr_max
PARAM_VALUE	2	src->vaddr_iomem	4096-ptr_max
PARAM_VALUE	3	src_offset	0-4095
PARAM_VALUE	4	len	1-4096
BUF_SIZE	1	dst	(-1),4,8,15,24,64,128,168-s32max
BUF_SIZE	1	dst	(-1),4,8,15,24,64,128,168-s32max
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r ttm_to_xe_device
DATA_SOURCE	1	dst	$2 [m]
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	*dst	s64min-s64max
USER_DATA	1	dst	4096-ptr_max[c][u]
USER_DATA	3	src_offset	0-4095[c]
USER_DATA	4	len	1-4096[c]
USER_PTR	1	dst
LOCK2		ttm_bo->base.resv
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_lrc.c xe_lrc_snapshot_capture_delayed() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe	4096-ptr_max
PARAM_VALUE	1	dst	1-18446744073709551614
PARAM_VALUE	2	src	8268368356959367168
PARAM_VALUE	2	src->vaddr	1-u64max
PARAM_VALUE	2	src->vaddr_iomem	1-u64max
BUF_SIZE	1	dst	0-u64max
DATA_SOURCE	1	dst	r __kvmalloc_node_noprof
NOCHECK_CALL
UNITS	3	src_offset	unit_byte
UNITS	4	len	unit_byte
BYTE_COUNT	1	==dst4	8050
LOCK2		bo->ttm.base.resv
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_lrc.c xe_lrc_update_memirq_regs_with_address() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	2	src	7270513640042909696
PARAM_VALUE	3	src_offset	0
PARAM_VALUE	4	len	320,384
DATA_SOURCE	1	dst	$2
DATA_SOURCE	4	len	r xe_lrc_reg_size
NOCHECK_CALL
LOCK2		&guc->submission_state.lock
LOCK2		&pool->lock
TYPE_LOCK		(struct xe_guc)->submission_state.lock

drivers/gpu/drm/xe/xe_uc_fw.c xe_uc_fw_copy_rsa() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	1254349869512167424
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-u32max
PARAM_VALUE	4	len	0-256
BUF_SIZE	1	dst	256
BUF_SIZE	1	dst	256
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r uc_fw_to_xe
DATA_SOURCE	1	dst	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte

drivers/gpu/drm/xe/xe_sa.c xe_sa_bo_sync_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	2	src->is_iomem	1
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_mem_pool.c xe_mem_pool_bo_sync_read() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	4096-ptr_max
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	2	src->is_iomem	1
NOCHECK_CALL
UNITS	1	dst	unit_byte

drivers/gpu/drm/xe/xe_guc_log.c xe_guc_log_snapshot_capture() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-s32max,18446744071562067968-u64max
PARAM_VALUE	4	len	0-2097152
BUF_SIZE	1	dst	1-2097152
CAPPED_DATA	3	src_offset	1
CAPPED_DATA	4	len	1
CAPPED_DATA	4	len	1
DATA_SOURCE	0	xe	r log_to_xe
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte
HALF_LOCKED2		&coredump->lock
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&pool->lock

drivers/gpu/drm/xe/xe_guc_capture.c __guc_capture_process_output() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	1	dst	7502716232230391808
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	72
PARAM_VALUE	4	len	36
BUF_SIZE	1	dst	36
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte
HALF_LOCKED2		&ct->lock

drivers/gpu/drm/xe/xe_guc_capture.c guc_capture_log_remove_bytes() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	0-u32max
PARAM_VALUE	4	len	0-s32max,18446744071562067968-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	4	len	unit_byte
HALF_LOCKED2		&ct->lock

drivers/gpu/drm/xe/xe_pxp_submit.c gsccs_send_message() -> xe_map_memcpy_from()

Type	Parameter	Key	Value
PARAM_VALUE	0	xe	4096-ptr_max
PARAM_VALUE	1	dst	478276304268435456,1907491080389136384
PARAM_VALUE	2	src	4096-ptr_max
PARAM_VALUE	3	src_offset	36
PARAM_VALUE	4	len	0-48
BUF_SIZE	1	dst	20,48
BUF_SIZE	1	dst	20,48
CAPPED_DATA	4	len	1
DATA_SOURCE	1	dst	$3
FUZZY_MAX	4	len	48
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	4	len	0-48[c]
UNITS	4	len	unit_byte