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
|
/*
* Copyright 2018 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
#ifndef __AMDGPU_GMC_H__
#define __AMDGPU_GMC_H__
#include <linux/types.h>
#include "amdgpu_irq.h"
struct firmware;
/*
* VMHUB structures, functions & helpers
*/
struct amdgpu_vmhub {
uint32_t ctx0_ptb_addr_lo32;
uint32_t ctx0_ptb_addr_hi32;
uint32_t vm_inv_eng0_req;
uint32_t vm_inv_eng0_ack;
uint32_t vm_context0_cntl;
uint32_t vm_l2_pro_fault_status;
uint32_t vm_l2_pro_fault_cntl;
};
/*
* GPU MC structures, functions & helpers
*/
struct amdgpu_gmc_funcs {
/* flush the vm tlb via mmio */
void (*flush_gpu_tlb)(struct amdgpu_device *adev,
uint32_t vmid);
/* flush the vm tlb via ring */
uint64_t (*emit_flush_gpu_tlb)(struct amdgpu_ring *ring, unsigned vmid,
uint64_t pd_addr);
/* Change the VMID -> PASID mapping */
void (*emit_pasid_mapping)(struct amdgpu_ring *ring, unsigned vmid,
unsigned pasid);
/* write pte/pde updates using the cpu */
int (*set_pte_pde)(struct amdgpu_device *adev,
void *cpu_pt_addr, /* cpu addr of page table */
uint32_t gpu_page_idx, /* pte/pde to update */
uint64_t addr, /* addr to write into pte/pde */
uint64_t flags); /* access flags */
/* enable/disable PRT support */
void (*set_prt)(struct amdgpu_device *adev, bool enable);
/* set pte flags based per asic */
uint64_t (*get_vm_pte_flags)(struct amdgpu_device *adev,
uint32_t flags);
/* get the pde for a given mc addr */
void (*get_vm_pde)(struct amdgpu_device *adev, int level,
u64 *dst, u64 *flags);
};
struct amdgpu_gmc {
resource_size_t aper_size;
resource_size_t aper_base;
/* for some chips with <= 32MB we need to lie
* about vram size near mc fb location */
u64 mc_vram_size;
u64 visible_vram_size;
u64 gart_size;
u64 gart_start;
u64 gart_end;
u64 vram_start;
u64 vram_end;
unsigned vram_width;
u64 real_vram_size;
int vram_mtrr;
u64 mc_mask;
const struct firmware *fw; /* MC firmware */
uint32_t fw_version;
struct amdgpu_irq_src vm_fault;
uint32_t vram_type;
uint32_t srbm_soft_reset;
bool prt_warning;
uint64_t stolen_size;
/* apertures */
u64 shared_aperture_start;
u64 shared_aperture_end;
u64 private_aperture_start;
u64 private_aperture_end;
/* protects concurrent invalidation */
spinlock_t invalidate_lock;
bool translate_further;
const struct amdgpu_gmc_funcs *gmc_funcs;
};
#endif
|
