id stringlengths 4 63 | text stringlengths 153 8.81M |
|---|---|
xe_info_printer(9) | NAME xe_info_printer - Construct a &drm_printer that outputs to xe_info()
SYNOPSIS struct drm_printer xe_info_printer (struct xe_device *xe );
ARGUMENTS xe the xe_device pointer to use in xe_info
RETURN The drm_printer object.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_printk.h xe_err_printer(9), xe_dbg_... |
xe_is_xe_file(9) | NAME xe_is_xe_file - Is the file an xe device file?
SYNOPSIS bool xe_is_xe_file (const struct file *file );
ARGUMENTS file The file.
DESCRIPTION Checks whether the file is opened against an xe device.
RETURN true if an xe file, false if not.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_device.c xe_f... |
xe_kunit_helper_alloc_xe_device(9) | NAME xe_kunit_helper_alloc_xe_device - Allocate a &xe_device for a KUnit test.
SYNOPSIS struct xe_device * xe_kunit_helper_alloc_xe_device (struct kunit *test , struct device *dev );
ARGUMENTS test the kunit where this xe_device will be used
dev The parent device object
DESCRIPTION This funct... |
xe_kunit_helper_xe_device_live_test_init(9) | NAME xe_kunit_helper_xe_device_live_test_init - Prepare a &xe_device for use in a live KUnit test.
SYNOPSIS int xe_kunit_helper_xe_device_live_test_init (struct kunit *test );
ARGUMENTS test the kunit where live xe_device will be used
DESCRIPTION This function expects pointer to the xe_device in the test.... |
xe_kunit_helper_xe_device_test_init(9) | NAME xe_kunit_helper_xe_device_test_init - Prepare a &xe_device for a KUnit test.
SYNOPSIS int xe_kunit_helper_xe_device_test_init (struct kunit *test );
ARGUMENTS test the kunit where this fake xe_device will be used
DESCRIPTION This function allocates and initializes a fake xe_device and stores its pointe... |
xe_late_bind_init(9) | NAME xe_late_bind_init - add xe mei late binding component
SYNOPSIS int xe_late_bind_init (struct xe_late_bind *late_bind );
ARGUMENTS late_bind pointer to late bind structure.
RETURN 0 if the initialization was successful, a negative errno otherwise.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_late_bind_fw.c
A... |
xe_lmtt_drop_pages(9) | NAME xe_lmtt_drop_pages - Remove VF's LMTT Pages.
SYNOPSIS void xe_lmtt_drop_pages (struct xe_lmtt *lmtt , unsigned int vfid );
ARGUMENTS lmtt the xe_lmtt to update
vfid the VF identifier (1-based)
DESCRIPTION This function removes all LMTT Page Tables prepared by xe_lmtt_prepare_pages. This f... |
xe_lmtt_estimate_pt_size(9) | NAME xe_lmtt_estimate_pt_size - Estimate size of LMTT PT allocations.
SYNOPSIS u64 xe_lmtt_estimate_pt_size (struct xe_lmtt *lmtt , u64 size );
ARGUMENTS lmtt the xe_lmtt
size the size of the LMEM to be mapped over LMTT (including any offset)
DESCRIPTION This function shall be called only by PF... |
xe_lmtt_init(9) | NAME xe_lmtt_init - LMTT software initialization.
SYNOPSIS int xe_lmtt_init (struct xe_lmtt *lmtt );
ARGUMENTS lmtt the xe_lmtt to initialize
DESCRIPTION The LMTT initialization requires two steps. The xe_lmtt_init checks if LMTT is required on current device and selects and initialize proper variant of the... |
xe_lmtt_init_hw(9) | NAME xe_lmtt_init_hw - Perform LMTT hardware initialization.
SYNOPSIS void xe_lmtt_init_hw (struct xe_lmtt *lmtt );
ARGUMENTS lmtt the xe_lmtt to initialize
DESCRIPTION This function is a second step of the LMTT initialization. This function registers LMTT Root Directory prepared in xe_lmtt_init. This fun... |
xe_lmtt_invalidate_hw(9) | NAME xe_lmtt_invalidate_hw - Invalidate LMTT hardware.
SYNOPSIS void xe_lmtt_invalidate_hw (struct xe_lmtt *lmtt );
ARGUMENTS lmtt the xe_lmtt to invalidate
DESCRIPTION Send requests to all GuCs on this tile to invalidate all TLBs. If the platform has a standalone MERT, also invalidate MERT's TLB. This func... |
xe_lmtt_populate_pages(9) | NAME xe_lmtt_populate_pages - Update VF's LMTT Page Table Entries.
SYNOPSIS int xe_lmtt_populate_pages (struct xe_lmtt *lmtt , unsigned int vfid , struct xe_bo *bo , u64 offset );
ARGUMENTS lmtt the xe_lmtt to update
vfid the VF identifier (1-based)
bo the buffer object with LME... |
xe_lmtt_prepare_pages(9) | NAME xe_lmtt_prepare_pages - Create VF's LMTT Page Tables.
SYNOPSIS int xe_lmtt_prepare_pages (struct xe_lmtt *lmtt , unsigned int vfid , u64 range );
ARGUMENTS lmtt the xe_lmtt to update
vfid the VF identifier (1-based)
range top range of LMEM offset to be supported
DESCRIPTION T... |
xe_lrc_alloc_seqno_fence(9) | NAME xe_lrc_alloc_seqno_fence - Allocate an lrc seqno fence.
SYNOPSIS struct dma_fence * xe_lrc_alloc_seqno_fence (void );
ARGUMENTS void no arguments
DESCRIPTION Allocate but don't initialize an lrc seqno fence.
RETURN Pointer to the allocated fence or negative error pointer on error.
SEE ALSO Kernel fil... |
xe_lrc_create(9) | NAME xe_lrc_create - Create a LRC
SYNOPSIS struct xe_lrc * xe_lrc_create (struct xe_hw_engine *hwe , struct xe_vm *vm , void *replay_state , u32 ring_size , u16 msix_vec , u32 flags );
ARGUMENTS hwe Hardware Engine
vm The VM (address space)
replay_state
GPU hang rep... |
xe_lrc_ctx_job_timestamp(9) | NAME xe_lrc_ctx_job_timestamp - Read ctx job timestamp value
SYNOPSIS u32 xe_lrc_ctx_job_timestamp (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN ctx timestamp job value
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lrc_reg_size(9), xe_lrc_ctx_ti... |
xe_lrc_ctx_job_timestamp_ggtt_addr(9) | NAME xe_lrc_ctx_job_timestamp_ggtt_addr - Get ctx job timestamp GGTT address
SYNOPSIS u32 xe_lrc_ctx_job_timestamp_ggtt_addr (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN ctx timestamp job GGTT address
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lr... |
xe_lrc_ctx_timestamp(9) | NAME xe_lrc_ctx_timestamp - Read ctx timestamp value
SYNOPSIS u64 xe_lrc_ctx_timestamp (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN ctx timestamp value
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lrc_reg_size(9), xe_lrc_ctx_timestamp_gg... |
xe_lrc_ctx_timestamp_ggtt_addr(9) | NAME xe_lrc_ctx_timestamp_ggtt_addr - Get ctx timestamp GGTT address
SYNOPSIS u32 xe_lrc_ctx_timestamp_ggtt_addr (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN ctx timestamp GGTT address
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lrc_reg_size(9)... |
xe_lrc_ctx_timestamp_udw_ggtt_addr(9) | NAME xe_lrc_ctx_timestamp_udw_ggtt_addr - Get ctx timestamp udw GGTT address
SYNOPSIS u32 xe_lrc_ctx_timestamp_udw_ggtt_addr (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN ctx timestamp udw GGTT address
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lr... |
xe_lrc_destroy(9) | NAME xe_lrc_destroy - Destroy the LRC
SYNOPSIS void xe_lrc_destroy (struct kref *ref );
ARGUMENTS ref reference to LRC
DESCRIPTION Called when ref == 0, release resources held by the Logical Ring Context (LRC) and free the LRC memory.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_rep... |
xe_lrc_engine_id(9) | NAME xe_lrc_engine_id - Read engine id value
SYNOPSIS u32 xe_lrc_engine_id (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
RETURN context id value
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lrc_reg_size(9), xe_lrc_ctx_timestamp_ggtt_addr(9), xe_lrc_c... |
xe_lrc_free_seqno_fence(9) | NAME xe_lrc_free_seqno_fence - Free an lrc seqno fence.
SYNOPSIS void xe_lrc_free_seqno_fence (struct dma_fence *fence );
ARGUMENTS fence Pointer to the fence to free.
DESCRIPTION Frees an lrc seqno fence that hasn't yet been initialized.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_r... |
xe_lrc_get(9) | NAME xe_lrc_get - Get reference to the LRC
SYNOPSIS struct xe_lrc * xe_lrc_get (struct xe_lrc *lrc );
ARGUMENTS lrc Logical Ring Context
DESCRIPTION Increment reference count of lrc
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.h xe_lrc_put(9), xe_lrc_ring_size(9), xe_lrc_update_timestamp(9)
April 2026 ... |
xe_lrc_init_seqno_fence(9) | NAME xe_lrc_init_seqno_fence - Initialize an lrc seqno fence.
SYNOPSIS void xe_lrc_init_seqno_fence (struct xe_lrc *lrc , struct dma_fence *fence );
ARGUMENTS lrc Pointer to the lrc.
fence Pointer to the fence to initialize.
DESCRIPTION Initializes a pre-allocated lrc seqno fence. After initia... |
xe_lrc_put(9) | NAME xe_lrc_put - Put reference of the LRC
SYNOPSIS void xe_lrc_put (struct xe_lrc *lrc );
ARGUMENTS lrc Logical Ring Context
DESCRIPTION Decrement reference count of lrc, call xe_lrc_destroy when reference count reaches 0.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.h xe_lrc_get(9), xe_lrc_ring_size(9... |
xe_lrc_reg_size(9) | NAME xe_lrc_reg_size - Get size of the LRC registers area within queues
SYNOPSIS size_t xe_lrc_reg_size (struct xe_device *xe );
ARGUMENTS xe the xe_device struct instance
RETURN Size of the LRC registers area for current platform
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_repl... |
xe_lrc_ring_is_idle(9) | NAME xe_lrc_ring_is_idle - LRC is idle
SYNOPSIS bool xe_lrc_ring_is_idle (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
DESCRIPTION Compare LRC ring head and tail to determine if idle.
RETURN True is ring is idle, False otherwise
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_ha... |
xe_lrc_ring_size(9) | NAME xe_lrc_ring_size - Xe LRC ring size
SYNOPSIS size_t xe_lrc_ring_size (void );
ARGUMENTS void no arguments
RETURN Size of LRC ring buffer
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.h xe_lrc_get(9), xe_lrc_put(9), xe_lrc_update_timestamp(9)
April 2026 ... |
xe_lrc_set_multi_queue_priority(9) | NAME xe_lrc_set_multi_queue_priority - Set multi queue priority in LRC
SYNOPSIS void xe_lrc_set_multi_queue_priority (struct xe_lrc *lrc , enum xe_multi_queue_priority priority );
ARGUMENTS lrc Logical Ring Context
priority Multi queue priority of the exec queue
DESCRIPTION Convert priority to LRC... |
xe_lrc_setup_wa_bb_with_scratch(9) | NAME xe_lrc_setup_wa_bb_with_scratch - Execute all wa bb setup callbacks.
SYNOPSIS int xe_lrc_setup_wa_bb_with_scratch (struct xe_lrc *lrc , struct xe_hw_engine *hwe , u32 *scratch );
ARGUMENTS lrc the xe_lrc struct instance
hwe the xe_hw_engine struct instance
scratch preallocated... |
xe_lrc_timestamp(9) | NAME xe_lrc_timestamp - Current ctx timestamp
SYNOPSIS u64 xe_lrc_timestamp (struct xe_lrc *lrc );
ARGUMENTS lrc Pointer to the lrc.
DESCRIPTION Return latest ctx timestamp. With support for active contexts, the calculation may be slightly racy, so follow a read-again logic to ensure that the context is stil... |
xe_lrc_update_hwctx_regs_with_address(9) | NAME xe_lrc_update_hwctx_regs_with_address - Re-compute GGTT references within given LRC.
SYNOPSIS void xe_lrc_update_hwctx_regs_with_address (struct xe_lrc *lrc );
ARGUMENTS lrc the xe_lrc struct instance
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_lrc.c xe_gt_lrc_hang_replay_size(9), xe_lrc_reg_size(... |
xe_lrc_update_memirq_regs_with_address(9) | NAME xe_lrc_update_memirq_regs_with_address - Re-compute GGTT references in mem interrupt data for given LRC.
SYNOPSIS void xe_lrc_update_memirq_regs_with_address (struct xe_lrc *lrc , struct xe_hw_engine *hwe , u32 *regs );
ARGUMENTS lrc the xe_lrc struct instance
hwe the xe_hw_engine struct ... |
xe_lrc_update_timestamp(9) | NAME xe_lrc_update_timestamp - readout LRC timestamp and update cached value
SYNOPSIS u64 xe_lrc_update_timestamp (struct xe_lrc *lrc , u64 *old_ts );
ARGUMENTS lrc logical ring context for this exec queue
old_ts pointer where to save the previous timestamp
DESCRIPTION Read the current timest... |
xe_managed_bo_reinit_in_vram(9) | NAME xe_managed_bo_reinit_in_vram -
SYNOPSIS int xe_managed_bo_reinit_in_vram (struct xe_device *xe , struct xe_tile *tile , struct xe_bo **src );
ARGUMENTS xe xe device
tile Tile where the new buffer will be created
src Managed buffer object allocated in system memory
DESCRIP... |
xe_memirq_enable_ptr(9) | NAME xe_memirq_enable_ptr - Get GGTT's offset of the Interrupt Enable Mask.
SYNOPSIS u32 xe_memirq_enable_ptr (struct xe_memirq *memirq );
ARGUMENTS memirq the xe_memirq to query
DESCRIPTION Shall be called when `Memory Based Interrupts`_ are used and xe_memirq_init didn't fail.
RETURN GGTT's offset of the Int... |
xe_memirq_guc_sw_int_0_irq_pending(9) | NAME xe_memirq_guc_sw_int_0_irq_pending - SW_INT_0 IRQ is pending
SYNOPSIS bool xe_memirq_guc_sw_int_0_irq_pending (struct xe_memirq *memirq , struct xe_guc *guc );
ARGUMENTS memirq the xe_memirq
guc the xe_guc to check for IRQ
RETURN True if SW_INT_0 IRQ is pending on guc, False otherwise
SEE ... |
xe_memirq_handler(9) | NAME xe_memirq_handler - The `Memory Based Interrupts`_ Handler.
SYNOPSIS void xe_memirq_handler (struct xe_memirq *memirq );
ARGUMENTS memirq the xe_memirq
DESCRIPTION This function reads and dispatches `Memory Based Interrupts`.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_memirq.c Kernel API(9), Kernel... |
xe_memirq_hwe_handler(9) | NAME xe_memirq_hwe_handler - Check and process interrupts for a specific HW engine.
SYNOPSIS void xe_memirq_hwe_handler (struct xe_memirq *memirq , struct xe_hw_engine *hwe );
ARGUMENTS memirq the xe_memirq
hwe the hw engine to process
DESCRIPTION This function reads and dispatches `Memory Based... |
xe_memirq_init(9) | NAME xe_memirq_init - Initialize data used by `Memory Based Interrupts`_.
SYNOPSIS int xe_memirq_init (struct xe_memirq *memirq );
ARGUMENTS memirq the xe_memirq to initialize
DESCRIPTION Allocate `Interrupt Source Report Page`_ and `Interrupt Status Report Page`_ used by `Memory Based Interrupts`_. These al... |
xe_memirq_init_guc(9) | NAME xe_memirq_init_guc - Prepare GuC for `Memory Based Interrupts`_.
SYNOPSIS int xe_memirq_init_guc (struct xe_memirq *memirq , struct xe_guc *guc );
ARGUMENTS memirq the xe_memirq
guc the xe_guc to setup
DESCRIPTION Register `Interrupt Source Report Page`_ and `Interrupt Status Report Page`_ ... |
xe_memirq_postinstall(9) | NAME xe_memirq_postinstall - Enable processing of `Memory Based Interrupts`_.
SYNOPSIS void xe_memirq_postinstall (struct xe_memirq *memirq );
ARGUMENTS memirq the xe_memirq
DESCRIPTION This is part of the driver IRQ setup flow. This function shall only be used on platforms that use `Memory Based Interrupts`_.... |
xe_memirq_reset(9) | NAME xe_memirq_reset - Disable processing of `Memory Based Interrupts`_.
SYNOPSIS void xe_memirq_reset (struct xe_memirq *memirq );
ARGUMENTS memirq struct xe_memirq
DESCRIPTION This is part of the driver IRQ setup flow. This function shall only be used on platforms that use `Memory Based Interrupts`_.
SEE AL... |
xe_memirq_source_ptr(9) | NAME xe_memirq_source_ptr - Get GGTT's offset of the `Interrupt Source Report Page`_.
SYNOPSIS u32 xe_memirq_source_ptr (struct xe_memirq *memirq , struct xe_hw_engine *hwe );
ARGUMENTS memirq the xe_memirq to query
hwe the hw engine for which we want the report page
DESCRIPTION Shall be called ... |
xe_memirq_status_ptr(9) | NAME xe_memirq_status_ptr - Get GGTT's offset of the `Interrupt Status Report Page`_.
SYNOPSIS u32 xe_memirq_status_ptr (struct xe_memirq *memirq , struct xe_hw_engine *hwe );
ARGUMENTS memirq the xe_memirq to query
hwe the hw engine for which we want the report page
DESCRIPTION Shall be called ... |
xe_mert_init_early(9) | NAME xe_mert_init_early - Initialize MERT data
SYNOPSIS void xe_mert_init_early (struct xe_device *xe );
ARGUMENTS xe the xe_device with MERT to init
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_mert.c xe_mert_invalidate_lmtt(9), xe_mert_irq_handler(9)
April 2026 ... |
xe_mert_invalidate_lmtt(9) | NAME xe_mert_invalidate_lmtt - Invalidate MERT LMTT
SYNOPSIS int xe_mert_invalidate_lmtt (struct xe_device *xe );
ARGUMENTS xe the xe_device with MERT
DESCRIPTION Trigger invalidation of the MERT LMTT and wait for completion.
RETURN 0 on success or -ETIMEDOUT in case of a timeout.
SEE ALSO Kernel file ./d... |
xe_mert_irq_handler(9) | NAME xe_mert_irq_handler - Handler for MERT interrupts
SYNOPSIS void xe_mert_irq_handler (struct xe_device *xe , u32 master_ctl );
ARGUMENTS xe the xe_device
master_ctl interrupt register
DESCRIPTION Handle interrupts generated by MERT.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_mert.c xe_mert_i... |
xe_migrate_access_memory(9) | NAME xe_migrate_access_memory - Access memory of a BO via GPU
SYNOPSIS int xe_migrate_access_memory (struct xe_migrate *m , struct xe_bo *bo , unsigned long offset , void *buf , int len , int write );
ARGUMENTS m The migration context.
bo buffer object
offset access offset into... |
xe_migrate_alloc(9) | NAME xe_migrate_alloc - Allocate a migrate struct for a given &xe_tile
SYNOPSIS struct xe_migrate * xe_migrate_alloc (struct xe_tile *tile );
ARGUMENTS tile xe_tile
DESCRIPTION Allocates a xe_migrate for a given tile.
RETURN xe_migrate on success, or NULL when out of memory.
SEE ALSO Kernel file ./drivers... |
xe_migrate_ccs_rw_copy(9) | NAME xe_migrate_ccs_rw_copy - Copy content of TTM resources.
SYNOPSIS int xe_migrate_ccs_rw_copy (struct xe_tile *tile , struct xe_exec_queue *q , struct xe_bo *src_bo , enum xe_sriov_vf_ccs_rw_ctxs read_write );
ARGUMENTS tile Tile whose migration context to be used.
q Execution to be used a... |
xe_migrate_ccs_rw_copy_clear(9) | NAME xe_migrate_ccs_rw_copy_clear - Clear the CCS read/write batch buffer content.
SYNOPSIS void xe_migrate_ccs_rw_copy_clear (struct xe_bo *src_bo , enum xe_sriov_vf_ccs_rw_ctxs read_write );
ARGUMENTS src_bo The buffer object src is currently bound to.
read_write Creates BB commands for CCS read/write... |
xe_migrate_clear(9) | NAME xe_migrate_clear - Copy content of TTM resources.
SYNOPSIS struct dma_fence * xe_migrate_clear (struct xe_migrate *m , struct xe_bo *bo , struct ttm_resource *dst , u32 clear_flags );
ARGUMENTS m The migration context.
bo The buffer object dst is currently bound to.
dst ... |
xe_migrate_copy(9) | NAME xe_migrate_copy - Copy content of TTM resources.
SYNOPSIS struct dma_fence * xe_migrate_copy (struct xe_migrate *m , struct xe_bo *src_bo , struct xe_bo *dst_bo , struct ttm_resource *src , struct ttm_resource *dst , bool copy_only_ccs );
ARGUMENTS m The migration context.
src_bo The buffe... |
xe_migrate_exec_queue(9) | NAME xe_migrate_exec_queue - Get the execution queue from migrate context.
SYNOPSIS struct xe_exec_queue * xe_migrate_exec_queue (struct xe_migrate *migrate );
ARGUMENTS migrate Migrate context.
RETURN Pointer to execution queue on success, error on failure
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_migrate... |
xe_migrate_from_vram(9) | NAME xe_migrate_from_vram - Migrate from VRAM
SYNOPSIS struct dma_fence * xe_migrate_from_vram (struct xe_migrate *m , unsigned long npages , u64 src_addr , struct drm_pagemap_addr *dst_addr , struct dma_fence *deps );
ARGUMENTS m The migration context.
npages Number of pages to migrate.
... |
xe_migrate_init(9) | NAME xe_migrate_init - Initialize a migrate context
SYNOPSIS int xe_migrate_init (struct xe_migrate *m );
ARGUMENTS m The migration context
RETURN 0 if successful, negative error code on failure
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_migrate.c struct xe_migrate(9), xe_migrate_alloc(9), xe_migrate_c... |
xe_migrate_job_lock(9) | NAME xe_migrate_job_lock - Lock migrate job lock
SYNOPSIS void xe_migrate_job_lock (struct xe_migrate *m , struct xe_exec_queue *q );
ARGUMENTS m The migration context.
q Queue associated with the operation which requires a lock
DESCRIPTION Lock the migrate job lock if the queue is a migr... |
xe_migrate_job_lock_assert(9) | NAME xe_migrate_job_lock_assert - Assert migrate job lock held of queue
SYNOPSIS void xe_migrate_job_lock_assert (struct xe_exec_queue *q );
ARGUMENTS q Migrate queue
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_migrate.c struct xe_migrate(9), xe_migrate_alloc(9), xe_migrate_init(9), xe_migrate_copy... |
xe_migrate_job_unlock(9) | NAME xe_migrate_job_unlock - Unlock migrate job lock
SYNOPSIS void xe_migrate_job_unlock (struct xe_migrate *m , struct xe_exec_queue *q );
ARGUMENTS m The migration context.
q Queue associated with the operation which requires a lock
DESCRIPTION Unlock the migrate job lock if the queue i... |
xe_migrate_lrc(9) | NAME xe_migrate_lrc - Get the LRC from migrate context.
SYNOPSIS struct xe_lrc * xe_migrate_lrc (struct xe_migrate *migrate );
ARGUMENTS migrate Migrate context.
RETURN Pointer to LRC on success, error on failure
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_migrate.c struct xe_migrate(9), xe_migrate_alloc(9), x... |
xe_migrate_to_vram(9) | NAME xe_migrate_to_vram - Migrate to VRAM
SYNOPSIS struct dma_fence * xe_migrate_to_vram (struct xe_migrate *m , unsigned long npages , struct drm_pagemap_addr *src_addr , u64 dst_addr , struct dma_fence *deps );
ARGUMENTS m The migration context.
npages Number of pages to migrate.
src_... |
xe_migrate_update_pgtables(9) | NAME xe_migrate_update_pgtables - Pipelined page-table update
SYNOPSIS struct dma_fence * xe_migrate_update_pgtables (struct xe_migrate *m , struct xe_migrate_pt_update *pt_update );
ARGUMENTS m The migrate context.
pt_update PT update arguments
DESCRIPTION Perform a pipelined page-table update. ... |
xe_migrate_vram_copy_chunk(9) | NAME xe_migrate_vram_copy_chunk - Copy a chunk of a VRAM buffer object.
SYNOPSIS struct dma_fence * xe_migrate_vram_copy_chunk (struct xe_bo *vram_bo , u64 vram_offset , struct xe_bo *sysmem_bo , u64 sysmem_offset , u64 size , enum xe_migrate_copy_dir dir );
ARGUMENTS vram_bo The VRAM buffer object.
vram_... |
xe_migrate_wait(9) | NAME xe_migrate_wait - Complete all operations using the xe_migrate context
SYNOPSIS void xe_migrate_wait (struct xe_migrate *m );
ARGUMENTS m Migrate context to wait for.
DESCRIPTION Waits until the GPU no longer uses the migrate context's default engine or its page-table objects. FIXME: What about separa... |
xe_mmio_gem_create(9) | NAME xe_mmio_gem_create - Expose an MMIO region to userspace
SYNOPSIS struct xe_mmio_gem * xe_mmio_gem_create (struct xe_device *xe , struct drm_file *file , phys_addr_t phys_addr , size_t size );
ARGUMENTS xe The xe device
file DRM file descriptor
phys_addr Start of the exposed MMIO... |
xe_mmio_gem_destroy(9) | NAME xe_mmio_gem_destroy - Destroy the GEM object that exposes an MMIO region
SYNOPSIS void xe_mmio_gem_destroy (struct xe_mmio_gem *gem );
ARGUMENTS gem the GEM object to destroy
DESCRIPTION This function releases resources associated with the GEM object created by xe_mmio_gem_create. See: "Exposing MMIO r... |
xe_mmio_gem_mmap_offset(9) | NAME xe_mmio_gem_mmap_offset - Return the mmap-able fake offset
SYNOPSIS u64 xe_mmio_gem_mmap_offset (struct xe_mmio_gem *gem );
ARGUMENTS gem the GEM object created with xe_mmio_gem_create
DESCRIPTION This function returns the mmap-able fake offset allocated during xe_mmio_gem_create. See: "Exposing MMIO r... |
xe_mmio_init(9) | NAME xe_mmio_init - Initialize an MMIO instance
SYNOPSIS void xe_mmio_init (struct xe_mmio *mmio , struct xe_tile *tile , void __iomem *ptr , u32 size );
ARGUMENTS mmio Pointer to the MMIO instance to initialize
tile The tile to which the MMIO region belongs
ptr Pointer to the st... |
xe_mmio_init_vf_view(9) | NAME xe_mmio_init_vf_view - Initialize an MMIO instance for accesses like the VF
SYNOPSIS void xe_mmio_init_vf_view (struct xe_mmio *mmio , const struct xe_mmio *base , unsigned int vfid );
ARGUMENTS mmio the target xe_mmio to initialize as VF's view
base the source xe_mmio to initialize from
... |
xe_mmio_read64_2x32(9) | NAME xe_mmio_read64_2x32 - Read a 64-bit register as two 32-bit reads
SYNOPSIS u64 xe_mmio_read64_2x32 (struct xe_mmio *mmio , struct xe_reg reg );
ARGUMENTS mmio MMIO target
reg register to read value from
DESCRIPTION Although Intel GPUs have some 64-bit registers, the hardware officially... |
xe_mmio_wait32(9) | NAME xe_mmio_wait32 - Wait for a register to match the desired masked value
SYNOPSIS int xe_mmio_wait32 (struct xe_mmio *mmio , struct xe_reg reg , u32 mask , u32 val , u32 timeout_us , u32 *out_val , bool atomic );
ARGUMENTS mmio MMIO target
reg register to read value from
mask ... |
xe_mmio_wait32_not(9) | NAME xe_mmio_wait32_not - Wait for a register to return anything other than the given masked value
SYNOPSIS int xe_mmio_wait32_not (struct xe_mmio *mmio , struct xe_reg reg , u32 mask , u32 val , u32 timeout_us , u32 *out_val , bool atomic );
ARGUMENTS mmio MMIO target
reg register to read valu... |
xe_mocs_dump(9) | NAME xe_mocs_dump - Dump MOCS table.
SYNOPSIS int xe_mocs_dump (struct xe_gt *gt , struct drm_printer *p );
ARGUMENTS gt the xe_gt with MOCS table
p the drm_printer to dump info to
RETURN 0 on success or a negative error code on failure.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_mocs.c... |
xe_oa_add_config_ioctl(9) | NAME xe_oa_add_config_ioctl - Adds one OA config
SYNOPSIS int xe_oa_add_config_ioctl (struct drm_device *dev , u64 data , struct drm_file *file );
ARGUMENTS dev drm_device
data pointer to struct drm_xe_oa_config
file drm_file
DESCRIPTION The functions adds an OA config to the se... |
xe_oa_init(9) | NAME xe_oa_init - OA initialization during device probe
SYNOPSIS int xe_oa_init (struct xe_device *xe );
ARGUMENTS xe xe_device
RETURN 0 on success or a negative error code on failure
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_oa.c xe_oa_timestamp_frequency(9), xe_oa_unit_id(9), xe_oa_stream_open_ioctl(9... |
xe_oa_register(9) | NAME xe_oa_register - Xe OA registration
SYNOPSIS int xe_oa_register (struct xe_device *xe );
ARGUMENTS xe xe_device
DESCRIPTION Exposes the metrics sysfs directory upon completion of module initialization
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_oa.c xe_oa_timestamp_frequency(9), xe_oa_unit_id(9), xe_... |
xe_oa_remove_config_ioctl(9) | NAME xe_oa_remove_config_ioctl - Removes one OA config
SYNOPSIS int xe_oa_remove_config_ioctl (struct drm_device *dev , u64 data , struct drm_file *file );
ARGUMENTS dev drm_device
data pointer to struct drm_xe_observation_param
file drm_file
SEE ALSO Kernel file ./drivers/gpu/d... |
xe_oa_stream_open_ioctl(9) | NAME xe_oa_stream_open_ioctl - Opens an OA stream
SYNOPSIS int xe_oa_stream_open_ioctl (struct drm_device *dev , u64 data , struct drm_file *file );
ARGUMENTS dev drm_device
data pointer to struct drm_xe_oa_config
file drm_file
DESCRIPTION The functions opens an OA stream. An OA... |
xe_oa_timestamp_frequency(9) | NAME xe_oa_timestamp_frequency - Return OA timestamp frequency
SYNOPSIS u32 xe_oa_timestamp_frequency (struct xe_gt *gt );
ARGUMENTS gt xe_gt
DESCRIPTION OA timestamp frequency = CS timestamp frequency in most platforms. On some platforms OA unit ignores the CTC_SHIFT and the 2 timestamps differ. In such ca... |
xe_oa_unit_id(9) | NAME xe_oa_unit_id - Return OA unit ID for a hardware engine
SYNOPSIS u16 xe_oa_unit_id (struct xe_hw_engine *hwe );
ARGUMENTS hwe xe_hw_engine
DESCRIPTION Return OA unit ID for a hardware engine when available
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_oa.c xe_oa_timestamp_frequency(9), xe_oa_stream_open... |
xe_observation_ioctl(9) | NAME xe_observation_ioctl - The top level observation layer ioctl
SYNOPSIS int xe_observation_ioctl (struct drm_device *dev , void *data , struct drm_file *file );
ARGUMENTS dev drm_device
data pointer to struct drm_xe_observation_param
file drm_file
DESCRIPTION The function is ... |
xe_observation_sysctl_register(9) | NAME xe_observation_sysctl_register - Register xe_observation_paranoid sysctl
SYNOPSIS int xe_observation_sysctl_register (void );
ARGUMENTS void no arguments
DESCRIPTION Normally only superuser/root can access observation stream data. However, superuser can set xe_observation_paranoid sysctl to 0 to allow no... |
xe_observation_sysctl_unregister(9) | NAME xe_observation_sysctl_unregister - Unregister xe_observation_paranoid sysctl
SYNOPSIS void xe_observation_sysctl_unregister (void );
ARGUMENTS void no arguments
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_observation.c xe_observation_ioctl(9), xe_observation_sysctl_register(9)
April 2026 ... |
xe_page_reclaim_create_prl_bo(9) | NAME xe_page_reclaim_create_prl_bo - Back a PRL with a suballocated GGTT BO
SYNOPSIS struct drm_suballoc * xe_page_reclaim_create_prl_bo (struct xe_tlb_inval *tlb_inval , struct xe_page_reclaim_list *prl , struct xe_tlb_inval_fence *fence );
ARGUMENTS tlb_inval TLB invalidation frontend associated with the request
... |
xe_page_reclaim_entries_get(9) | NAME xe_page_reclaim_entries_get - Increment the reference count of page reclaim entries.
SYNOPSIS void xe_page_reclaim_entries_get (struct xe_guc_page_reclaim_entry *entries );
ARGUMENTS entries Pointer to the array of page reclaim entries.
DESCRIPTION This function increments the reference count of the backing... |
xe_page_reclaim_entries_put(9) | NAME xe_page_reclaim_entries_put - Decrement the reference count of page reclaim entries.
SYNOPSIS void xe_page_reclaim_entries_put (struct xe_guc_page_reclaim_entry *entries );
ARGUMENTS entries Pointer to the array of page reclaim entries.
DESCRIPTION This function decrements the reference count of the backing... |
xe_page_reclaim_list_abort(9) | NAME xe_page_reclaim_list_abort - Invalidate a PRL and log an abort reason
SYNOPSIS xe_page_reclaim_list_abort (gt , prl , fmt , ... );
ARGUMENTS gt GT owning the page reclaim request
prl Page reclaim list to invalidate
fmt format string for the log message with args
.... |
xe_page_reclaim_list_alloc_entries(9) | NAME xe_page_reclaim_list_alloc_entries - Allocate page reclaim list entries
SYNOPSIS int xe_page_reclaim_list_alloc_entries (struct xe_page_reclaim_list *prl );
ARGUMENTS prl Page reclaim list to allocate entries for
DESCRIPTION Allocate one 4K page for the PRL entries, otherwise assign prl->entries to NULL... |
xe_page_reclaim_list_init(9) | NAME xe_page_reclaim_list_init - Initialize a page reclaim list
SYNOPSIS void xe_page_reclaim_list_init (struct xe_page_reclaim_list *prl );
ARGUMENTS prl Page reclaim list to initialize
DESCRIPTION NULLs both values in list to prepare on initalization.
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_page_recl... |
xe_page_reclaim_list_invalidate(9) | NAME xe_page_reclaim_list_invalidate - Mark a PRL as invalid
SYNOPSIS void xe_page_reclaim_list_invalidate (struct xe_page_reclaim_list *prl );
ARGUMENTS prl Page reclaim list to reset
DESCRIPTION Clears the entries pointer and marks the list as invalid so future use knows PRL is unusable. It is expected tha... |
xe_page_reclaim_list_is_new(9) | NAME xe_page_reclaim_list_is_new - Check if PRL is new allocation
SYNOPSIS bool xe_page_reclaim_list_is_new (struct xe_page_reclaim_list *prl );
ARGUMENTS prl Pointer to page reclaim list
DESCRIPTION PRL indicates it hasn't been allocated through both values being NULL
SEE ALSO Kernel file ./drivers/gpu/drm... |
xe_page_reclaim_list_valid(9) | NAME xe_page_reclaim_list_valid - Check if the page reclaim list is valid
SYNOPSIS bool xe_page_reclaim_list_valid (struct xe_page_reclaim_list *prl );
ARGUMENTS prl Pointer to page reclaim list
DESCRIPTION PRL uses the XE_PAGE_RECLAIM_INVALID_LIST to indicate that a PRL is unusable.
SEE ALSO Kernel file ./... |
xe_page_reclaim_skip(9) | NAME xe_page_reclaim_skip - Decide whether PRL should be skipped for a VMA
SYNOPSIS bool xe_page_reclaim_skip (struct xe_tile *tile , struct xe_vma *vma );
ARGUMENTS tile Tile owning the VMA
vma VMA under consideration
DESCRIPTION PPC flushing may be handled by HW for specific PAT encodings. ... |
xe_pagefault_handler(9) | NAME xe_pagefault_handler - Page fault handler
SYNOPSIS int xe_pagefault_handler (struct xe_device *xe , struct xe_pagefault *pf );
ARGUMENTS xe xe device instance
pf Page fault
DESCRIPTION Sink the page fault to a queue (i.e., a memory buffer) and queue a worker to service it. Safe to be c... |
xe_pagefault_init(9) | NAME xe_pagefault_init - Page fault init
SYNOPSIS int xe_pagefault_init (struct xe_device *xe );
ARGUMENTS xe xe device instance
DESCRIPTION Initialize Xe page fault state. Must be done after reading fuses.
RETURN 0 on Success, errno on failure
SEE ALSO Kernel file ./drivers/gpu/drm/xe/xe_pagefault.c Kern... |
xe_pagefault_reset(9) | NAME xe_pagefault_reset - Page fault reset for a GT
SYNOPSIS void xe_pagefault_reset (struct xe_device *xe , struct xe_gt *gt );
ARGUMENTS xe xe device instance
gt GT being reset
DESCRIPTION Reset the Xe page fault state for a GT; that is, squash any pending faults on the GT.
SEE ALSO Kern... |
xe_pagemap_cache_create(9) | NAME xe_pagemap_cache_create - Create a drm_pagemap cache
SYNOPSIS int xe_pagemap_cache_create (struct xe_tile *tile );
ARGUMENTS tile The tile to register the cache with
DESCRIPTION Create a drm_pagemap cache and register with the tile.
RETURN 0 on success, negative error code on failure.
SEE ALSO Kernel ... |
xe_pagemap_create(9) | NAME xe_pagemap_create - Create a struct xe_pagemap object
SYNOPSIS struct xe_pagemap * xe_pagemap_create (struct xe_device *xe , struct xe_vram_region *vr );
ARGUMENTS xe The xe device.
vr Back-pointer to the struct xe_vram_region.
DESCRIPTION Allocate and initialize a struct xe_pagemap. O... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.