/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2021 Intel Corporation
*/
#ifndef _XE_DEVICE_H_
#define _XE_DEVICE_H_
#include <drm/drm_util.h>
#include "xe_device_types.h"
#include "xe_gt_types.h"
#include "xe_sriov.h"
static inline struct xe_device *to_xe_device(const struct drm_device *dev)
{
return container_of(dev, struct xe_device, drm);
}
static inline struct xe_device *kdev_to_xe_device(struct device *kdev)
{
struct drm_device *drm = dev_get_drvdata(kdev);
return drm ? to_xe_device(drm) : NULL;
}
static inline struct xe_device *pdev_to_xe_device(struct pci_dev *pdev)
{
struct drm_device *drm = pci_get_drvdata(pdev);
return drm ? to_xe_device(drm) : NULL;
}
static inline struct xe_device *xe_device_const_cast(const struct xe_device *xe)
{
return (struct xe_device *)xe;
}
static inline struct xe_device *ttm_to_xe_device(struct ttm_device *ttm)
{
return container_of(ttm, struct xe_device, ttm);
}
struct xe_device *xe_device_create(struct pci_dev *pdev,
const struct pci_device_id *ent);
int xe_device_probe_early(struct xe_device *xe);
int xe_device_probe(struct xe_device *xe);
void xe_device_remove(struct xe_device *xe);
void xe_device_shutdown(struct xe_device *xe);
void xe_device_wmb(struct xe_device *xe);
static inline struct xe_file *to_xe_file(const struct drm_file *file)
{
return file->driver_priv;
}
static inline struct xe_tile *xe_device_get_root_tile(struct xe_device *xe)
{
return &xe->tiles[0 ];
}
/*
* Highest GT / tile count for any platform . Used only for memory allocation
* sizing . Any logic looping over GTs or mapping userspace GT IDs into GT
* structures should use the per - platform xe - > info . max_gt_per_tile instead .
*/
#define XE_MAX_GT_PER_TILE 2
static inline struct xe_gt *xe_device_get_gt(struct xe_device *xe, u8 gt_id)
{
struct xe_tile *tile;
struct xe_gt *gt;
if (gt_id >= xe->info.tile_count * xe->info.max_gt_per_tile)
return NULL;
tile = &xe->tiles[gt_id / xe->info.max_gt_per_tile];
switch (gt_id % xe->info.max_gt_per_tile) {
default :
xe_assert(xe, false );
fallthrough;
case 0 :
gt = tile->primary_gt;
break ;
case 1 :
gt = tile->media_gt;
break ;
}
if (!gt)
return NULL;
drm_WARN_ON(&xe->drm, gt->info.id != gt_id);
drm_WARN_ON(&xe->drm, gt->info.type == XE_GT_TYPE_UNINITIALIZED);
return gt;
}
/*
* Provide a GT structure suitable for performing non - GT MMIO operations against
* the primary tile . Primarily intended for early tile initialization , display
* handling , top - most interrupt enable / disable , etc . Since anything using the
* MMIO handle returned by this function doesn ' t need GSI offset translation ,
* we ' ll return the primary GT from the root tile .
*
* FIXME : Fix the driver design so that ' gt ' isn ' t the target of all MMIO
* operations .
*
* Returns the primary gt of the root tile .
*/
static inline struct xe_gt *xe_root_mmio_gt(struct xe_device *xe)
{
return xe_device_get_root_tile(xe)->primary_gt;
}
static inline bool xe_device_uc_enabled(struct xe_device *xe)
{
return !xe->info.force_execlist;
}
#define for_each_tile(tile__, xe__, id__) \
for ((id__) = 0 ; (id__) < (xe__)->info.tile_count; (id__)++) \
for_each_if((tile__) = &(xe__)->tiles[(id__)])
#define for_each_remote_tile(tile__, xe__, id__) \
for ((id__) = 1 ; (id__) < (xe__)->info.tile_count; (id__)++) \
for_each_if((tile__) = &(xe__)->tiles[(id__)])
#define for_each_gt(gt__, xe__, id__) \
for ((id__) = 0 ; (id__) < (xe__)->info.tile_count * (xe__)->info.max_gt_per_tile; (id__)++) \
for_each_if((gt__) = xe_device_get_gt((xe__), (id__)))
#define for_each_gt_on_tile(gt__, tile__, id__) \
for_each_gt((gt__), (tile__)->xe, (id__)) \
for_each_if((gt__)->tile == (tile__))
static inline struct xe_force_wake *gt_to_fw(struct xe_gt *gt)
{
return >->pm.fw;
}
void xe_device_assert_mem_access(struct xe_device *xe);
static inline bool xe_device_has_flat_ccs(struct xe_device *xe)
{
return xe->info.has_flat_ccs;
}
static inline bool xe_device_has_sriov(struct xe_device *xe)
{
return xe->info.has_sriov;
}
static inline bool xe_device_has_msix(struct xe_device *xe)
{
return xe->irq.msix.nvec > 0 ;
}
static inline bool xe_device_has_memirq(struct xe_device *xe)
{
return GRAPHICS_VERx100(xe) >= 1250 ;
}
static inline bool xe_device_uses_memirq(struct xe_device *xe)
{
return xe_device_has_memirq(xe) && (IS_SRIOV_VF(xe) || xe_device_has_msix(xe));
}
static inline bool xe_device_has_lmtt(struct xe_device *xe)
{
return IS_DGFX(xe);
}
u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size);
void xe_device_snapshot_print(struct xe_device *xe, struct drm_printer *p);
u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address);
u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address);
void xe_device_td_flush(struct xe_device *xe);
void xe_device_l2_flush(struct xe_device *xe);
static inline bool xe_device_wedged(struct xe_device *xe)
{
return atomic_read(&xe->wedged.flag);
}
void xe_device_declare_wedged(struct xe_device *xe);
struct xe_file *xe_file_get(struct xe_file *xef);
void xe_file_put(struct xe_file *xef);
int xe_is_injection_active(void );
/*
* Occasionally it is seen that the G2H worker starts running after a delay of more than
* a second even after being queued and activated by the Linux workqueue subsystem . This
* leads to G2H timeout error . The root cause of issue lies with scheduling latency of
* Lunarlake Hybrid CPU . Issue disappears if we disable Lunarlake atom cores from BIOS
* and this is beyond xe kmd .
*
* TODO : Drop this change once workqueue scheduling delay issue is fixed on LNL Hybrid CPU .
*/
#define LNL_FLUSH_WORKQUEUE(wq__) \
flush_workqueue(wq__)
#define LNL_FLUSH_WORK(wrk__) \
flush_work(wrk__)
#endif
Messung V0.5 in Prozent C=98 H=96 G=96
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-27)
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