1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* Copyright © 2014-2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#ifndef _INTEL_GUC_H_
#define _INTEL_GUC_H_
#include "intel_uncore.h"
#include "intel_guc_fw.h"
#include "intel_guc_fwif.h"
#include "intel_guc_ct.h"
#include "intel_guc_log.h"
#include "intel_guc_reg.h"
#include "intel_uc_fw.h"
#include "i915_vma.h"
struct guc_preempt_work {
struct work_struct work;
struct intel_engine_cs *engine;
};
/*
* Top level structure of GuC. It handles firmware loading and manages client
* pool and doorbells. intel_guc owns a intel_guc_client to replace the legacy
* ExecList submission.
*/
struct intel_guc {
struct intel_uc_fw fw;
struct intel_guc_log log;
struct intel_guc_ct ct;
/* Log snapshot if GuC errors during load */
struct drm_i915_gem_object *load_err_log;
/* intel_guc_recv interrupt related state */
bool interrupts_enabled;
struct i915_vma *ads_vma;
struct i915_vma *stage_desc_pool;
void *stage_desc_pool_vaddr;
struct ida stage_ids;
struct i915_vma *shared_data;
void *shared_data_vaddr;
struct intel_guc_client *execbuf_client;
struct intel_guc_client *preempt_client;
struct guc_preempt_work preempt_work[I915_NUM_ENGINES];
struct workqueue_struct *preempt_wq;
DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
/* Cyclic counter mod pagesize */
u32 db_cacheline;
/* GuC's FW specific registers used in MMIO send */
struct {
u32 base;
unsigned int count;
enum forcewake_domains fw_domains;
} send_regs;
/* To serialize the intel_guc_send actions */
struct mutex send_mutex;
/* GuC's FW specific send function */
int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
/* GuC's FW specific notify function */
void (*notify)(struct intel_guc *guc);
};
static
inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
{
return guc->send(guc, action, len);
}
static inline void intel_guc_notify(struct intel_guc *guc)
{
guc->notify(guc);
}
/*
* GuC does not allow any gfx GGTT address that falls into range [0, WOPCM_TOP),
* which is reserved for Boot ROM, SRAM and WOPCM. Currently this top address is
* 512K. In order to exclude 0-512K address space from GGTT, all gfx objects
* used by GuC is pinned with PIN_OFFSET_BIAS along with size of WOPCM.
*/
static inline u32 guc_ggtt_offset(struct i915_vma *vma)
{
u32 offset = i915_ggtt_offset(vma);
GEM_BUG_ON(offset < GUC_WOPCM_TOP);
GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
return offset;
}
void intel_guc_init_early(struct intel_guc *guc);
void intel_guc_init_send_regs(struct intel_guc *guc);
void intel_guc_init_params(struct intel_guc *guc);
int intel_guc_init_wq(struct intel_guc *guc);
void intel_guc_fini_wq(struct intel_guc *guc);
int intel_guc_init(struct intel_guc *guc);
void intel_guc_fini(struct intel_guc *guc);
int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_sample_forcewake(struct intel_guc *guc);
int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
int intel_guc_suspend(struct intel_guc *guc);
int intel_guc_resume(struct intel_guc *guc);
struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
#endif
|
