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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
|
/*
* Copyright 2016 Advanced Micro Devices, Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Author: Monk.liu@amd.com
*/
#ifndef AMDGPU_VIRT_H
#define AMDGPU_VIRT_H
#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS (1 << 0) /* vBIOS is sr-iov ready */
#define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */
#define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */
#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */
struct amdgpu_mm_table {
struct amdgpu_bo *bo;
uint32_t *cpu_addr;
uint64_t gpu_addr;
};
#define AMDGPU_VF_ERROR_ENTRY_SIZE 16
/* struct error_entry - amdgpu VF error information. */
struct amdgpu_vf_error_buffer {
struct mutex lock;
int read_count;
int write_count;
uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
};
/**
* struct amdgpu_virt_ops - amdgpu device virt operations
*/
struct amdgpu_virt_ops {
int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
int (*reset_gpu)(struct amdgpu_device *adev);
int (*wait_reset)(struct amdgpu_device *adev);
void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
int (*get_pp_clk)(struct amdgpu_device *adev, u32 type, char *buf);
int (*force_dpm_level)(struct amdgpu_device *adev, u32 level);
};
/*
* Firmware Reserve Frame buffer
*/
struct amdgpu_virt_fw_reserve {
struct amd_sriov_msg_pf2vf_info_header *p_pf2vf;
struct amd_sriov_msg_vf2pf_info_header *p_vf2pf;
unsigned int checksum_key;
};
/*
* Defination between PF and VF
* Structures forcibly aligned to 4 to keep the same style as PF.
*/
#define AMDGIM_DATAEXCHANGE_OFFSET (64 * 1024)
#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
(total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
enum AMDGIM_FEATURE_FLAG {
/* GIM supports feature of Error log collecting */
AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
/* GIM supports feature of loading uCodes */
AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
/* VRAM LOST by GIM */
AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
/* HW PERF SIM in GIM */
AMDGIM_FEATURE_HW_PERF_SIMULATION = (1 << 3),
};
struct amd_sriov_msg_pf2vf_info_header {
/* the total structure size in byte. */
uint32_t size;
/* version of this structure, written by the GIM */
uint32_t version;
/* reserved */
uint32_t reserved[2];
} __aligned(4);
struct amdgim_pf2vf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header;
/* max_width * max_height */
unsigned int uvd_enc_max_pixels_count;
/* 16x16 pixels/sec, codec independent */
unsigned int uvd_enc_max_bandwidth;
/* max_width * max_height */
unsigned int vce_enc_max_pixels_count;
/* 16x16 pixels/sec, codec independent */
unsigned int vce_enc_max_bandwidth;
/* MEC FW position in kb from the start of visible frame buffer */
unsigned int mecfw_kboffset;
/* The features flags of the GIM driver supports. */
unsigned int feature_flags;
/* use private key from mailbox 2 to create chueksum */
unsigned int checksum;
} __aligned(4);
struct amdgim_pf2vf_info_v2 {
/* header contains size and version */
struct amd_sriov_msg_pf2vf_info_header header;
/* use private key from mailbox 2 to create chueksum */
uint32_t checksum;
/* The features flags of the GIM driver supports. */
uint32_t feature_flags;
/* max_width * max_height */
uint32_t uvd_enc_max_pixels_count;
/* 16x16 pixels/sec, codec independent */
uint32_t uvd_enc_max_bandwidth;
/* max_width * max_height */
uint32_t vce_enc_max_pixels_count;
/* 16x16 pixels/sec, codec independent */
uint32_t vce_enc_max_bandwidth;
/* MEC FW position in kb from the start of VF visible frame buffer */
uint64_t mecfw_kboffset;
/* MEC FW size in KB */
uint32_t mecfw_ksize;
/* UVD FW position in kb from the start of VF visible frame buffer */
uint64_t uvdfw_kboffset;
/* UVD FW size in KB */
uint32_t uvdfw_ksize;
/* VCE FW position in kb from the start of VF visible frame buffer */
uint64_t vcefw_kboffset;
/* VCE FW size in KB */
uint32_t vcefw_ksize;
uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amd_sriov_msg_pf2vf_info_header)/sizeof(uint32_t)), 3)];
} __aligned(4);
struct amd_sriov_msg_vf2pf_info_header {
/* the total structure size in byte. */
uint32_t size;
/*version of this structure, written by the guest */
uint32_t version;
/* reserved */
uint32_t reserved[2];
} __aligned(4);
struct amdgim_vf2pf_info_v1 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header;
/* driver version */
char driver_version[64];
/* driver certification, 1=WHQL, 0=None */
unsigned int driver_cert;
/* guest OS type and version: need a define */
unsigned int os_info;
/* in the unit of 1M */
unsigned int fb_usage;
/* guest gfx engine usage percentage */
unsigned int gfx_usage;
/* guest gfx engine health percentage */
unsigned int gfx_health;
/* guest compute engine usage percentage */
unsigned int compute_usage;
/* guest compute engine health percentage */
unsigned int compute_health;
/* guest vce engine usage percentage. 0xffff means N/A. */
unsigned int vce_enc_usage;
/* guest vce engine health percentage. 0xffff means N/A. */
unsigned int vce_enc_health;
/* guest uvd engine usage percentage. 0xffff means N/A. */
unsigned int uvd_enc_usage;
/* guest uvd engine usage percentage. 0xffff means N/A. */
unsigned int uvd_enc_health;
unsigned int checksum;
} __aligned(4);
struct amdgim_vf2pf_info_v2 {
/* header contains size and version */
struct amd_sriov_msg_vf2pf_info_header header;
uint32_t checksum;
/* driver version */
uint8_t driver_version[64];
/* driver certification, 1=WHQL, 0=None */
uint32_t driver_cert;
/* guest OS type and version: need a define */
uint32_t os_info;
/* in the unit of 1M */
uint32_t fb_usage;
/* guest gfx engine usage percentage */
uint32_t gfx_usage;
/* guest gfx engine health percentage */
uint32_t gfx_health;
/* guest compute engine usage percentage */
uint32_t compute_usage;
/* guest compute engine health percentage */
uint32_t compute_health;
/* guest vce engine usage percentage. 0xffff means N/A. */
uint32_t vce_enc_usage;
/* guest vce engine health percentage. 0xffff means N/A. */
uint32_t vce_enc_health;
/* guest uvd engine usage percentage. 0xffff means N/A. */
uint32_t uvd_enc_usage;
/* guest uvd engine usage percentage. 0xffff means N/A. */
uint32_t uvd_enc_health;
uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amd_sriov_msg_vf2pf_info_header)/sizeof(uint32_t)), 0)];
} __aligned(4);
#define AMDGPU_FW_VRAM_VF2PF_VER 2
typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
#define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
do { \
((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field = (val); \
} while (0)
#define AMDGPU_FW_VRAM_VF2PF_READ(adev, field, val) \
do { \
(*val) = ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field; \
} while (0)
#define AMDGPU_FW_VRAM_PF2VF_READ(adev, field, val) \
do { \
if (!adev->virt.fw_reserve.p_pf2vf) \
*(val) = 0; \
else { \
if (adev->virt.fw_reserve.p_pf2vf->version == 1) \
*(val) = ((struct amdgim_pf2vf_info_v1 *)adev->virt.fw_reserve.p_pf2vf)->field; \
if (adev->virt.fw_reserve.p_pf2vf->version == 2) \
*(val) = ((struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf)->field; \
} \
} while (0)
/* GPU virtualization */
struct amdgpu_virt {
uint32_t caps;
struct amdgpu_bo *csa_obj;
bool chained_ib_support;
uint32_t reg_val_offs;
struct amdgpu_irq_src ack_irq;
struct amdgpu_irq_src rcv_irq;
struct work_struct flr_work;
struct amdgpu_mm_table mm_table;
const struct amdgpu_virt_ops *ops;
struct amdgpu_vf_error_buffer vf_errors;
struct amdgpu_virt_fw_reserve fw_reserve;
uint32_t gim_feature;
/* protect DPM events to GIM */
struct mutex dpm_mutex;
};
#define amdgpu_sriov_enabled(adev) \
((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
#define amdgpu_sriov_vf(adev) \
((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
#define amdgpu_sriov_bios(adev) \
((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
#define amdgpu_sriov_runtime(adev) \
((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
#define amdgpu_passthrough(adev) \
((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
static inline bool is_virtual_machine(void)
{
#ifdef CONFIG_X86
return boot_cpu_has(X86_FEATURE_HYPERVISOR);
#else
return false;
#endif
}
#define amdgim_is_hwperf(adev) \
((adev)->virt.gim_feature & AMDGIM_FEATURE_HW_PERF_SIMULATION)
bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
void amdgpu_virt_init_setting(struct amdgpu_device *adev);
uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
uint32_t reg0, uint32_t rreg1,
uint32_t ref, uint32_t mask);
int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
unsigned int key,
unsigned int chksum);
void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
uint32_t amdgpu_virt_get_sclk(struct amdgpu_device *adev, bool lowest);
uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest);
#endif
|
