tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2021 Intel Corporation
4 */
5
6#ifndef _XE_HW_ENGINE_H_
7#define _XE_HW_ENGINE_H_
8
9#include "xe_hw_engine_types.h"
10
11struct drm_printer;
12struct drm_xe_engine_class_instance;
13struct xe_device;
14struct xe_exec_queue;
15
16#ifdef CONFIG_DRM_XE_JOB_TIMEOUT_MIN
17#define XE_HW_ENGINE_JOB_TIMEOUT_MIN CONFIG_DRM_XE_JOB_TIMEOUT_MIN
18#else
19#define XE_HW_ENGINE_JOB_TIMEOUT_MIN 1
20#endif
21#ifdef CONFIG_DRM_XE_JOB_TIMEOUT_MAX
22#define XE_HW_ENGINE_JOB_TIMEOUT_MAX CONFIG_DRM_XE_JOB_TIMEOUT_MAX
23#else
24#define XE_HW_ENGINE_JOB_TIMEOUT_MAX (10 * 1000)
25#endif
26#ifdef CONFIG_DRM_XE_TIMESLICE_MIN
27#define XE_HW_ENGINE_TIMESLICE_MIN CONFIG_DRM_XE_TIMESLICE_MIN
28#else
29#define XE_HW_ENGINE_TIMESLICE_MIN 1
30#endif
31#ifdef CONFIG_DRM_XE_TIMESLICE_MAX
32#define XE_HW_ENGINE_TIMESLICE_MAX CONFIG_DRM_XE_TIMESLICE_MAX
33#else
34#define XE_HW_ENGINE_TIMESLICE_MAX (10 * 1000 * 1000)
35#endif
36#ifdef CONFIG_DRM_XE_PREEMPT_TIMEOUT
37#define XE_HW_ENGINE_PREEMPT_TIMEOUT CONFIG_DRM_XE_PREEMPT_TIMEOUT
38#else
39#define XE_HW_ENGINE_PREEMPT_TIMEOUT (640 * 1000)
40#endif
41#ifdef CONFIG_DRM_XE_PREEMPT_TIMEOUT_MIN
42#define XE_HW_ENGINE_PREEMPT_TIMEOUT_MIN CONFIG_DRM_XE_PREEMPT_TIMEOUT_MIN
43#else
44#define XE_HW_ENGINE_PREEMPT_TIMEOUT_MIN 1
45#endif
46#ifdef CONFIG_DRM_XE_PREEMPT_TIMEOUT_MAX
47#define XE_HW_ENGINE_PREEMPT_TIMEOUT_MAX CONFIG_DRM_XE_PREEMPT_TIMEOUT_MAX
48#else
49#define XE_HW_ENGINE_PREEMPT_TIMEOUT_MAX (10 * 1000 * 1000)
50#endif
51
52int xe_hw_engines_init_early(struct xe_gt *gt);
53int xe_hw_engines_init(struct xe_gt *gt);
54void xe_hw_engine_handle_irq(struct xe_hw_engine *hwe, u16 intr_vec);
55void xe_hw_engine_enable_ring(struct xe_hw_engine *hwe);
56u32 xe_hw_engine_mask_per_class(struct xe_gt *gt,
57 enum xe_engine_class engine_class);
58struct xe_hw_engine_snapshot *
59xe_hw_engine_snapshot_capture(struct xe_hw_engine *hwe, struct xe_exec_queue *q);
60void xe_hw_engine_snapshot_free(struct xe_hw_engine_snapshot *snapshot);
61void xe_hw_engine_print(struct xe_hw_engine *hwe, struct drm_printer *p);
62void xe_hw_engine_setup_default_lrc_state(struct xe_hw_engine *hwe);
63
64bool xe_hw_engine_is_reserved(struct xe_hw_engine *hwe);
65
66struct xe_hw_engine *
67xe_hw_engine_lookup(struct xe_device *xe,
68 struct drm_xe_engine_class_instance eci);
69
70static inline bool xe_hw_engine_is_valid(struct xe_hw_engine *hwe)
71{
72 return hwe->name;
73}
74
75const char *xe_hw_engine_class_to_str(enum xe_engine_class class);
76u64 xe_hw_engine_read_timestamp(struct xe_hw_engine *hwe);
77enum xe_force_wake_domains xe_hw_engine_to_fw_domain(struct xe_hw_engine *hwe);
78
79void xe_hw_engine_mmio_write32(struct xe_hw_engine *hwe, struct xe_reg reg, u32 val);
80u32 xe_hw_engine_mmio_read32(struct xe_hw_engine *hwe, struct xe_reg reg);
81
82#endif