xref: /linux/drivers/gpu/drm/xe/xe_hw_engine_types.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #ifndef _XE_HW_ENGINE_TYPES_H_
7 #define _XE_HW_ENGINE_TYPES_H_
8 
9 #include "xe_force_wake_types.h"
10 #include "xe_lrc_types.h"
11 #include "xe_reg_sr_types.h"
12 
13 /* See "Engine ID Definition" struct in the Icelake PRM */
14 enum xe_engine_class {
15 	XE_ENGINE_CLASS_RENDER = 0,
16 	XE_ENGINE_CLASS_VIDEO_DECODE = 1,
17 	XE_ENGINE_CLASS_VIDEO_ENHANCE = 2,
18 	XE_ENGINE_CLASS_COPY = 3,
19 	XE_ENGINE_CLASS_OTHER = 4,
20 	XE_ENGINE_CLASS_COMPUTE = 5,
21 	XE_ENGINE_CLASS_MAX = 6,
22 };
23 
24 enum xe_hw_engine_id {
25 	XE_HW_ENGINE_RCS0,
26 #define XE_HW_ENGINE_RCS_MASK	GENMASK_ULL(XE_HW_ENGINE_RCS0, XE_HW_ENGINE_RCS0)
27 	XE_HW_ENGINE_BCS0,
28 	XE_HW_ENGINE_BCS1,
29 	XE_HW_ENGINE_BCS2,
30 	XE_HW_ENGINE_BCS3,
31 	XE_HW_ENGINE_BCS4,
32 	XE_HW_ENGINE_BCS5,
33 	XE_HW_ENGINE_BCS6,
34 	XE_HW_ENGINE_BCS7,
35 	XE_HW_ENGINE_BCS8,
36 #define XE_HW_ENGINE_BCS_MASK	GENMASK_ULL(XE_HW_ENGINE_BCS8, XE_HW_ENGINE_BCS0)
37 	XE_HW_ENGINE_VCS0,
38 	XE_HW_ENGINE_VCS1,
39 	XE_HW_ENGINE_VCS2,
40 	XE_HW_ENGINE_VCS3,
41 	XE_HW_ENGINE_VCS4,
42 	XE_HW_ENGINE_VCS5,
43 	XE_HW_ENGINE_VCS6,
44 	XE_HW_ENGINE_VCS7,
45 #define XE_HW_ENGINE_VCS_MASK	GENMASK_ULL(XE_HW_ENGINE_VCS7, XE_HW_ENGINE_VCS0)
46 	XE_HW_ENGINE_VECS0,
47 	XE_HW_ENGINE_VECS1,
48 	XE_HW_ENGINE_VECS2,
49 	XE_HW_ENGINE_VECS3,
50 #define XE_HW_ENGINE_VECS_MASK	GENMASK_ULL(XE_HW_ENGINE_VECS3, XE_HW_ENGINE_VECS0)
51 	XE_HW_ENGINE_CCS0,
52 	XE_HW_ENGINE_CCS1,
53 	XE_HW_ENGINE_CCS2,
54 	XE_HW_ENGINE_CCS3,
55 #define XE_HW_ENGINE_CCS_MASK	GENMASK_ULL(XE_HW_ENGINE_CCS3, XE_HW_ENGINE_CCS0)
56 	XE_HW_ENGINE_GSCCS0,
57 #define XE_HW_ENGINE_GSCCS_MASK	GENMASK_ULL(XE_HW_ENGINE_GSCCS0, XE_HW_ENGINE_GSCCS0)
58 	XE_NUM_HW_ENGINES,
59 };
60 
61 /* FIXME: s/XE_HW_ENGINE_MAX_INSTANCE/XE_HW_ENGINE_MAX_COUNT */
62 #define XE_HW_ENGINE_MAX_INSTANCE	9
63 
64 struct xe_bo;
65 struct xe_execlist_port;
66 struct xe_gt;
67 
68 /**
69  * struct xe_hw_engine_class_intf - per hw engine class struct interface
70  *
71  * Contains all the hw engine properties per engine class.
72  *
73  * @sched_props: scheduling properties
74  * @defaults: default scheduling properties
75  */
76 struct xe_hw_engine_class_intf {
77 	/**
78 	 * @sched_props: scheduling properties
79 	 * @defaults: default scheduling properties
80 	 */
81 	struct {
82 		/** @sched_props.set_job_timeout: Set job timeout in ms for engine */
83 		u32 job_timeout_ms;
84 		/** @sched_props.job_timeout_min: Min job timeout in ms for engine */
85 		u32 job_timeout_min;
86 		/** @sched_props.job_timeout_max: Max job timeout in ms for engine */
87 		u32 job_timeout_max;
88 		/** @sched_props.timeslice_us: timeslice period in micro-seconds */
89 		u32 timeslice_us;
90 		/** @sched_props.timeslice_min: min timeslice period in micro-seconds */
91 		u32 timeslice_min;
92 		/** @sched_props.timeslice_max: max timeslice period in micro-seconds */
93 		u32 timeslice_max;
94 		/** @sched_props.preempt_timeout_us: preemption timeout in micro-seconds */
95 		u32 preempt_timeout_us;
96 		/** @sched_props.preempt_timeout_min: min preemption timeout in micro-seconds */
97 		u32 preempt_timeout_min;
98 		/** @sched_props.preempt_timeout_max: max preemption timeout in micro-seconds */
99 		u32 preempt_timeout_max;
100 	} sched_props, defaults;
101 };
102 
103 /**
104  * struct xe_hw_engine - Hardware engine
105  *
106  * Contains all the hardware engine state for physical instances.
107  */
108 struct xe_hw_engine {
109 	/** @gt: graphics tile this hw engine belongs to */
110 	struct xe_gt *gt;
111 	/** @name: name of this hw engine */
112 	const char *name;
113 	/** @class: class of this hw engine */
114 	enum xe_engine_class class;
115 	/** @instance: physical instance of this hw engine */
116 	u16 instance;
117 	/** @logical_instance: logical instance of this hw engine */
118 	u16 logical_instance;
119 	/** @irq_offset: IRQ offset of this hw engine */
120 	u16 irq_offset;
121 	/** @mmio_base: MMIO base address of this hw engine*/
122 	u32 mmio_base;
123 	/**
124 	 * @reg_sr: table with registers to be restored on GT init/resume/reset
125 	 */
126 	struct xe_reg_sr reg_sr;
127 	/**
128 	 * @reg_whitelist: table with registers to be whitelisted
129 	 */
130 	struct xe_reg_sr reg_whitelist;
131 	/**
132 	 * @reg_lrc: LRC workaround registers
133 	 */
134 	struct xe_reg_sr reg_lrc;
135 	/** @domain: force wake domain of this hw engine */
136 	enum xe_force_wake_domains domain;
137 	/** @hwsp: hardware status page buffer object */
138 	struct xe_bo *hwsp;
139 	/** @exl_port: execlists port */
140 	struct xe_execlist_port *exl_port;
141 	/** @fence_irq: fence IRQ to run when a hw engine IRQ is received */
142 	struct xe_hw_fence_irq *fence_irq;
143 	/** @irq_handler: IRQ handler to run when hw engine IRQ is received */
144 	void (*irq_handler)(struct xe_hw_engine *hwe, u16 intr_vec);
145 	/** @engine_id: id  for this hw engine */
146 	enum xe_hw_engine_id engine_id;
147 	/** @eclass: pointer to per hw engine class interface */
148 	struct xe_hw_engine_class_intf *eclass;
149 	/** @oa_unit: oa unit for this hw engine */
150 	struct xe_oa_unit *oa_unit;
151 	/** @hw_engine_group: the group of hw engines this one belongs to */
152 	struct xe_hw_engine_group *hw_engine_group;
153 };
154 
155 enum xe_hw_engine_snapshot_source_id {
156 	XE_ENGINE_CAPTURE_SOURCE_MANUAL,
157 	XE_ENGINE_CAPTURE_SOURCE_GUC
158 };
159 
160 /**
161  * struct xe_hw_engine_snapshot - Hardware engine snapshot
162  *
163  * Contains the snapshot of useful hardware engine info and registers.
164  */
165 struct xe_hw_engine_snapshot {
166 	/** @name: name of the hw engine */
167 	char *name;
168 	/** @source: Data source, either manual or GuC */
169 	enum xe_hw_engine_snapshot_source_id source;
170 	/** @hwe: hw engine */
171 	struct xe_hw_engine *hwe;
172 	/** @logical_instance: logical instance of this hw engine */
173 	u16 logical_instance;
174 	/** @forcewake: Force Wake information snapshot */
175 	struct {
176 		/** @forcewake.domain: force wake domain of this hw engine */
177 		enum xe_force_wake_domains domain;
178 		/** @forcewake.ref: Forcewake ref for the above domain */
179 		int ref;
180 	} forcewake;
181 	/** @mmio_base: MMIO base address of this hw engine*/
182 	u32 mmio_base;
183 	/** @kernel_reserved: Engine reserved, can't be used by userspace */
184 	bool kernel_reserved;
185 };
186 
187 #endif
188