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1/*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Author: Monk.liu@amd.com
23 */
24#ifndef AMDGPU_VIRT_H
25#define AMDGPU_VIRT_H
26
27#include "amdgv_sriovmsg.h"
28
29#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS (1 << 0) /* vBIOS is sr-iov ready */
30#define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */
31#define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */
32#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
33#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */
34#define AMDGPU_VF_MMIO_ACCESS_PROTECT (1 << 5) /* MMIO write access is not allowed in sriov runtime */
35
36/* flags for indirect register access path supported by rlcg for sriov */
37#define AMDGPU_RLCG_GC_WRITE_LEGACY (0x8 << 28)
38#define AMDGPU_RLCG_GC_WRITE (0x0 << 28)
39#define AMDGPU_RLCG_GC_READ (0x1 << 28)
40#define AMDGPU_RLCG_MMHUB_WRITE (0x2 << 28)
41
42/* error code for indirect register access path supported by rlcg for sriov */
43#define AMDGPU_RLCG_VFGATE_DISABLED 0x4000000
44#define AMDGPU_RLCG_WRONG_OPERATION_TYPE 0x2000000
45#define AMDGPU_RLCG_REG_NOT_IN_RANGE 0x1000000
46
47#define AMDGPU_RLCG_SCRATCH1_ADDRESS_MASK 0xFFFFF
48
49/* all asic after AI use this offset */
50#define mmRCC_IOV_FUNC_IDENTIFIER 0xDE5
51/* tonga/fiji use this offset */
52#define mmBIF_IOV_FUNC_IDENTIFIER 0x1503
53
54enum amdgpu_sriov_vf_mode {
55 SRIOV_VF_MODE_BARE_METAL = 0,
56 SRIOV_VF_MODE_ONE_VF,
57 SRIOV_VF_MODE_MULTI_VF,
58};
59
60struct amdgpu_mm_table {
61 struct amdgpu_bo *bo;
62 uint32_t *cpu_addr;
63 uint64_t gpu_addr;
64};
65
66#define AMDGPU_VF_ERROR_ENTRY_SIZE 16
67
68/* struct error_entry - amdgpu VF error information. */
69struct amdgpu_vf_error_buffer {
70 struct mutex lock;
71 int read_count;
72 int write_count;
73 uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
74 uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
75 uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
76};
77
78enum idh_request;
79
80/**
81 * struct amdgpu_virt_ops - amdgpu device virt operations
82 */
83struct amdgpu_virt_ops {
84 int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
85 int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
86 int (*req_init_data)(struct amdgpu_device *adev);
87 int (*reset_gpu)(struct amdgpu_device *adev);
88 int (*wait_reset)(struct amdgpu_device *adev);
89 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req,
90 u32 data1, u32 data2, u32 data3);
91};
92
93/*
94 * Firmware Reserve Frame buffer
95 */
96struct amdgpu_virt_fw_reserve {
97 struct amd_sriov_msg_pf2vf_info_header *p_pf2vf;
98 struct amd_sriov_msg_vf2pf_info_header *p_vf2pf;
99 unsigned int checksum_key;
100};
101
102/*
103 * Legacy GIM header
104 *
105 * Defination between PF and VF
106 * Structures forcibly aligned to 4 to keep the same style as PF.
107 */
108#define AMDGIM_DATAEXCHANGE_OFFSET (64 * 1024)
109
110#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
111 (total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
112
113enum AMDGIM_FEATURE_FLAG {
114 /* GIM supports feature of Error log collecting */
115 AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
116 /* GIM supports feature of loading uCodes */
117 AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
118 /* VRAM LOST by GIM */
119 AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
120 /* MM bandwidth */
121 AMDGIM_FEATURE_GIM_MM_BW_MGR = 0x8,
122 /* PP ONE VF MODE in GIM */
123 AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
124 /* Indirect Reg Access enabled */
125 AMDGIM_FEATURE_INDIRECT_REG_ACCESS = (1 << 5),
126};
127
128enum AMDGIM_REG_ACCESS_FLAG {
129 /* Use PSP to program IH_RB_CNTL */
130 AMDGIM_FEATURE_IH_REG_PSP_EN = (1 << 0),
131 /* Use RLC to program MMHUB regs */
132 AMDGIM_FEATURE_MMHUB_REG_RLC_EN = (1 << 1),
133 /* Use RLC to program GC regs */
134 AMDGIM_FEATURE_GC_REG_RLC_EN = (1 << 2),
135};
136
137struct amdgim_pf2vf_info_v1 {
138 /* header contains size and version */
139 struct amd_sriov_msg_pf2vf_info_header header;
140 /* max_width * max_height */
141 unsigned int uvd_enc_max_pixels_count;
142 /* 16x16 pixels/sec, codec independent */
143 unsigned int uvd_enc_max_bandwidth;
144 /* max_width * max_height */
145 unsigned int vce_enc_max_pixels_count;
146 /* 16x16 pixels/sec, codec independent */
147 unsigned int vce_enc_max_bandwidth;
148 /* MEC FW position in kb from the start of visible frame buffer */
149 unsigned int mecfw_kboffset;
150 /* The features flags of the GIM driver supports. */
151 unsigned int feature_flags;
152 /* use private key from mailbox 2 to create chueksum */
153 unsigned int checksum;
154} __aligned(4);
155
156struct amdgim_vf2pf_info_v1 {
157 /* header contains size and version */
158 struct amd_sriov_msg_vf2pf_info_header header;
159 /* driver version */
160 char driver_version[64];
161 /* driver certification, 1=WHQL, 0=None */
162 unsigned int driver_cert;
163 /* guest OS type and version: need a define */
164 unsigned int os_info;
165 /* in the unit of 1M */
166 unsigned int fb_usage;
167 /* guest gfx engine usage percentage */
168 unsigned int gfx_usage;
169 /* guest gfx engine health percentage */
170 unsigned int gfx_health;
171 /* guest compute engine usage percentage */
172 unsigned int compute_usage;
173 /* guest compute engine health percentage */
174 unsigned int compute_health;
175 /* guest vce engine usage percentage. 0xffff means N/A. */
176 unsigned int vce_enc_usage;
177 /* guest vce engine health percentage. 0xffff means N/A. */
178 unsigned int vce_enc_health;
179 /* guest uvd engine usage percentage. 0xffff means N/A. */
180 unsigned int uvd_enc_usage;
181 /* guest uvd engine usage percentage. 0xffff means N/A. */
182 unsigned int uvd_enc_health;
183 unsigned int checksum;
184} __aligned(4);
185
186struct amdgim_vf2pf_info_v2 {
187 /* header contains size and version */
188 struct amd_sriov_msg_vf2pf_info_header header;
189 uint32_t checksum;
190 /* driver version */
191 uint8_t driver_version[64];
192 /* driver certification, 1=WHQL, 0=None */
193 uint32_t driver_cert;
194 /* guest OS type and version: need a define */
195 uint32_t os_info;
196 /* in the unit of 1M */
197 uint32_t fb_usage;
198 /* guest gfx engine usage percentage */
199 uint32_t gfx_usage;
200 /* guest gfx engine health percentage */
201 uint32_t gfx_health;
202 /* guest compute engine usage percentage */
203 uint32_t compute_usage;
204 /* guest compute engine health percentage */
205 uint32_t compute_health;
206 /* guest vce engine usage percentage. 0xffff means N/A. */
207 uint32_t vce_enc_usage;
208 /* guest vce engine health percentage. 0xffff means N/A. */
209 uint32_t vce_enc_health;
210 /* guest uvd engine usage percentage. 0xffff means N/A. */
211 uint32_t uvd_enc_usage;
212 /* guest uvd engine usage percentage. 0xffff means N/A. */
213 uint32_t uvd_enc_health;
214 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amd_sriov_msg_vf2pf_info_header)/sizeof(uint32_t)), 0)];
215} __aligned(4);
216
217struct amdgpu_virt_ras_err_handler_data {
218 /* point to bad page records array */
219 struct eeprom_table_record *bps;
220 /* point to reserved bo array */
221 struct amdgpu_bo **bps_bo;
222 /* the count of entries */
223 int count;
224 /* last reserved entry's index + 1 */
225 int last_reserved;
226};
227
228/* GPU virtualization */
229struct amdgpu_virt {
230 uint32_t caps;
231 struct amdgpu_bo *csa_obj;
232 void *csa_cpu_addr;
233 bool chained_ib_support;
234 uint32_t reg_val_offs;
235 struct amdgpu_irq_src ack_irq;
236 struct amdgpu_irq_src rcv_irq;
237 struct work_struct flr_work;
238 struct amdgpu_mm_table mm_table;
239 const struct amdgpu_virt_ops *ops;
240 struct amdgpu_vf_error_buffer vf_errors;
241 struct amdgpu_virt_fw_reserve fw_reserve;
242 uint32_t gim_feature;
243 uint32_t reg_access_mode;
244 int req_init_data_ver;
245 bool tdr_debug;
246 struct amdgpu_virt_ras_err_handler_data *virt_eh_data;
247 bool ras_init_done;
248 uint32_t reg_access;
249
250 /* vf2pf message */
251 struct delayed_work vf2pf_work;
252 uint32_t vf2pf_update_interval_ms;
253
254 /* multimedia bandwidth config */
255 bool is_mm_bw_enabled;
256 uint32_t decode_max_dimension_pixels;
257 uint32_t decode_max_frame_pixels;
258 uint32_t encode_max_dimension_pixels;
259 uint32_t encode_max_frame_pixels;
260
261 /* the ucode id to signal the autoload */
262 uint32_t autoload_ucode_id;
263};
264
265struct amdgpu_video_codec_info;
266
267#define amdgpu_sriov_enabled(adev) \
268((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
269
270#define amdgpu_sriov_vf(adev) \
271((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
272
273#define amdgpu_sriov_bios(adev) \
274((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
275
276#define amdgpu_sriov_runtime(adev) \
277((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
278
279#define amdgpu_sriov_fullaccess(adev) \
280(amdgpu_sriov_vf((adev)) && !amdgpu_sriov_runtime((adev)))
281
282#define amdgpu_sriov_reg_indirect_en(adev) \
283(amdgpu_sriov_vf((adev)) && \
284 ((adev)->virt.gim_feature & (AMDGIM_FEATURE_INDIRECT_REG_ACCESS)))
285
286#define amdgpu_sriov_reg_indirect_ih(adev) \
287(amdgpu_sriov_vf((adev)) && \
288 ((adev)->virt.reg_access & (AMDGIM_FEATURE_IH_REG_PSP_EN)))
289
290#define amdgpu_sriov_reg_indirect_mmhub(adev) \
291(amdgpu_sriov_vf((adev)) && \
292 ((adev)->virt.reg_access & (AMDGIM_FEATURE_MMHUB_REG_RLC_EN)))
293
294#define amdgpu_sriov_reg_indirect_gc(adev) \
295(amdgpu_sriov_vf((adev)) && \
296 ((adev)->virt.reg_access & (AMDGIM_FEATURE_GC_REG_RLC_EN)))
297
298#define amdgpu_sriov_rlcg_error_report_enabled(adev) \
299 (amdgpu_sriov_reg_indirect_mmhub(adev) || amdgpu_sriov_reg_indirect_gc(adev))
300
301#define amdgpu_passthrough(adev) \
302((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
303
304#define amdgpu_sriov_vf_mmio_access_protection(adev) \
305((adev)->virt.caps & AMDGPU_VF_MMIO_ACCESS_PROTECT)
306
307static inline bool is_virtual_machine(void)
308{
309#if defined(CONFIG_X86)
310 return boot_cpu_has(X86_FEATURE_HYPERVISOR);
311#elif defined(CONFIG_ARM64)
312 return !is_kernel_in_hyp_mode();
313#else
314 return false;
315#endif
316}
317
318#define amdgpu_sriov_is_pp_one_vf(adev) \
319 ((adev)->virt.gim_feature & AMDGIM_FEATURE_PP_ONE_VF)
320#define amdgpu_sriov_is_debug(adev) \
321 ((!amdgpu_in_reset(adev)) && adev->virt.tdr_debug)
322#define amdgpu_sriov_is_normal(adev) \
323 ((!amdgpu_in_reset(adev)) && (!adev->virt.tdr_debug))
324bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
325void amdgpu_virt_init_setting(struct amdgpu_device *adev);
326void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
327 uint32_t reg0, uint32_t rreg1,
328 uint32_t ref, uint32_t mask);
329int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
330int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
331int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
332void amdgpu_virt_request_init_data(struct amdgpu_device *adev);
333int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
334int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
335void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
336void amdgpu_virt_release_ras_err_handler_data(struct amdgpu_device *adev);
337void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
338void amdgpu_virt_exchange_data(struct amdgpu_device *adev);
339void amdgpu_virt_fini_data_exchange(struct amdgpu_device *adev);
340void amdgpu_detect_virtualization(struct amdgpu_device *adev);
341
342bool amdgpu_virt_can_access_debugfs(struct amdgpu_device *adev);
343int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev);
344void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev);
345
346enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev);
347
348void amdgpu_virt_update_sriov_video_codec(struct amdgpu_device *adev,
349 struct amdgpu_video_codec_info *encode, uint32_t encode_array_size,
350 struct amdgpu_video_codec_info *decode, uint32_t decode_array_size);
351void amdgpu_sriov_wreg(struct amdgpu_device *adev,
352 u32 offset, u32 value,
353 u32 acc_flags, u32 hwip);
354u32 amdgpu_sriov_rreg(struct amdgpu_device *adev,
355 u32 offset, u32 acc_flags, u32 hwip);
356bool amdgpu_virt_fw_load_skip_check(struct amdgpu_device *adev,
357 uint32_t ucode_id);
358#endif
1/*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Author: Monk.liu@amd.com
23 */
24#ifndef AMDGPU_VIRT_H
25#define AMDGPU_VIRT_H
26
27#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS (1 << 0) /* vBIOS is sr-iov ready */
28#define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */
29#define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */
30#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
31#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */
32
33struct amdgpu_mm_table {
34 struct amdgpu_bo *bo;
35 uint32_t *cpu_addr;
36 uint64_t gpu_addr;
37};
38
39#define AMDGPU_VF_ERROR_ENTRY_SIZE 16
40
41/* struct error_entry - amdgpu VF error information. */
42struct amdgpu_vf_error_buffer {
43 struct mutex lock;
44 int read_count;
45 int write_count;
46 uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
47 uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
48 uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
49};
50
51/**
52 * struct amdgpu_virt_ops - amdgpu device virt operations
53 */
54struct amdgpu_virt_ops {
55 int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
56 int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
57 int (*reset_gpu)(struct amdgpu_device *adev);
58 int (*wait_reset)(struct amdgpu_device *adev);
59 void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
60};
61
62/*
63 * Firmware Reserve Frame buffer
64 */
65struct amdgpu_virt_fw_reserve {
66 struct amdgim_pf2vf_info_header *p_pf2vf;
67 struct amdgim_vf2pf_info_header *p_vf2pf;
68 unsigned int checksum_key;
69};
70/*
71 * Defination between PF and VF
72 * Structures forcibly aligned to 4 to keep the same style as PF.
73 */
74#define AMDGIM_DATAEXCHANGE_OFFSET (64 * 1024)
75
76#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
77 (total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
78
79enum AMDGIM_FEATURE_FLAG {
80 /* GIM supports feature of Error log collecting */
81 AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
82 /* GIM supports feature of loading uCodes */
83 AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
84 /* VRAM LOST by GIM */
85 AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
86};
87
88struct amdgim_pf2vf_info_header {
89 /* the total structure size in byte. */
90 uint32_t size;
91 /* version of this structure, written by the GIM */
92 uint32_t version;
93} __aligned(4);
94struct amdgim_pf2vf_info_v1 {
95 /* header contains size and version */
96 struct amdgim_pf2vf_info_header header;
97 /* max_width * max_height */
98 unsigned int uvd_enc_max_pixels_count;
99 /* 16x16 pixels/sec, codec independent */
100 unsigned int uvd_enc_max_bandwidth;
101 /* max_width * max_height */
102 unsigned int vce_enc_max_pixels_count;
103 /* 16x16 pixels/sec, codec independent */
104 unsigned int vce_enc_max_bandwidth;
105 /* MEC FW position in kb from the start of visible frame buffer */
106 unsigned int mecfw_kboffset;
107 /* The features flags of the GIM driver supports. */
108 unsigned int feature_flags;
109 /* use private key from mailbox 2 to create chueksum */
110 unsigned int checksum;
111} __aligned(4);
112
113struct amdgim_pf2vf_info_v2 {
114 /* header contains size and version */
115 struct amdgim_pf2vf_info_header header;
116 /* use private key from mailbox 2 to create chueksum */
117 uint32_t checksum;
118 /* The features flags of the GIM driver supports. */
119 uint32_t feature_flags;
120 /* max_width * max_height */
121 uint32_t uvd_enc_max_pixels_count;
122 /* 16x16 pixels/sec, codec independent */
123 uint32_t uvd_enc_max_bandwidth;
124 /* max_width * max_height */
125 uint32_t vce_enc_max_pixels_count;
126 /* 16x16 pixels/sec, codec independent */
127 uint32_t vce_enc_max_bandwidth;
128 /* MEC FW position in kb from the start of VF visible frame buffer */
129 uint64_t mecfw_kboffset;
130 /* MEC FW size in KB */
131 uint32_t mecfw_ksize;
132 /* UVD FW position in kb from the start of VF visible frame buffer */
133 uint64_t uvdfw_kboffset;
134 /* UVD FW size in KB */
135 uint32_t uvdfw_ksize;
136 /* VCE FW position in kb from the start of VF visible frame buffer */
137 uint64_t vcefw_kboffset;
138 /* VCE FW size in KB */
139 uint32_t vcefw_ksize;
140 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amdgim_pf2vf_info_header)/sizeof(uint32_t)), 3)];
141} __aligned(4);
142
143
144struct amdgim_vf2pf_info_header {
145 /* the total structure size in byte. */
146 uint32_t size;
147 /*version of this structure, written by the guest */
148 uint32_t version;
149} __aligned(4);
150
151struct amdgim_vf2pf_info_v1 {
152 /* header contains size and version */
153 struct amdgim_vf2pf_info_header header;
154 /* driver version */
155 char driver_version[64];
156 /* driver certification, 1=WHQL, 0=None */
157 unsigned int driver_cert;
158 /* guest OS type and version: need a define */
159 unsigned int os_info;
160 /* in the unit of 1M */
161 unsigned int fb_usage;
162 /* guest gfx engine usage percentage */
163 unsigned int gfx_usage;
164 /* guest gfx engine health percentage */
165 unsigned int gfx_health;
166 /* guest compute engine usage percentage */
167 unsigned int compute_usage;
168 /* guest compute engine health percentage */
169 unsigned int compute_health;
170 /* guest vce engine usage percentage. 0xffff means N/A. */
171 unsigned int vce_enc_usage;
172 /* guest vce engine health percentage. 0xffff means N/A. */
173 unsigned int vce_enc_health;
174 /* guest uvd engine usage percentage. 0xffff means N/A. */
175 unsigned int uvd_enc_usage;
176 /* guest uvd engine usage percentage. 0xffff means N/A. */
177 unsigned int uvd_enc_health;
178 unsigned int checksum;
179} __aligned(4);
180
181struct amdgim_vf2pf_info_v2 {
182 /* header contains size and version */
183 struct amdgim_vf2pf_info_header header;
184 uint32_t checksum;
185 /* driver version */
186 uint8_t driver_version[64];
187 /* driver certification, 1=WHQL, 0=None */
188 uint32_t driver_cert;
189 /* guest OS type and version: need a define */
190 uint32_t os_info;
191 /* in the unit of 1M */
192 uint32_t fb_usage;
193 /* guest gfx engine usage percentage */
194 uint32_t gfx_usage;
195 /* guest gfx engine health percentage */
196 uint32_t gfx_health;
197 /* guest compute engine usage percentage */
198 uint32_t compute_usage;
199 /* guest compute engine health percentage */
200 uint32_t compute_health;
201 /* guest vce engine usage percentage. 0xffff means N/A. */
202 uint32_t vce_enc_usage;
203 /* guest vce engine health percentage. 0xffff means N/A. */
204 uint32_t vce_enc_health;
205 /* guest uvd engine usage percentage. 0xffff means N/A. */
206 uint32_t uvd_enc_usage;
207 /* guest uvd engine usage percentage. 0xffff means N/A. */
208 uint32_t uvd_enc_health;
209 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amdgim_vf2pf_info_header)/sizeof(uint32_t)), 0)];
210} __aligned(4);
211
212#define AMDGPU_FW_VRAM_VF2PF_VER 2
213typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
214
215#define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
216 do { \
217 ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field = (val); \
218 } while (0)
219
220#define AMDGPU_FW_VRAM_VF2PF_READ(adev, field, val) \
221 do { \
222 (*val) = ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field; \
223 } while (0)
224
225#define AMDGPU_FW_VRAM_PF2VF_READ(adev, field, val) \
226 do { \
227 if (!adev->virt.fw_reserve.p_pf2vf) \
228 *(val) = 0; \
229 else { \
230 if (adev->virt.fw_reserve.p_pf2vf->version == 1) \
231 *(val) = ((struct amdgim_pf2vf_info_v1 *)adev->virt.fw_reserve.p_pf2vf)->field; \
232 if (adev->virt.fw_reserve.p_pf2vf->version == 2) \
233 *(val) = ((struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf)->field; \
234 } \
235 } while (0)
236
237/* GPU virtualization */
238struct amdgpu_virt {
239 uint32_t caps;
240 struct amdgpu_bo *csa_obj;
241 uint64_t csa_vmid0_addr;
242 bool chained_ib_support;
243 uint32_t reg_val_offs;
244 struct amdgpu_irq_src ack_irq;
245 struct amdgpu_irq_src rcv_irq;
246 struct work_struct flr_work;
247 struct amdgpu_mm_table mm_table;
248 const struct amdgpu_virt_ops *ops;
249 struct amdgpu_vf_error_buffer vf_errors;
250 struct amdgpu_virt_fw_reserve fw_reserve;
251 uint32_t gim_feature;
252};
253
254#define AMDGPU_CSA_SIZE (8 * 1024)
255
256#define amdgpu_sriov_enabled(adev) \
257((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
258
259#define amdgpu_sriov_vf(adev) \
260((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
261
262#define amdgpu_sriov_bios(adev) \
263((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
264
265#define amdgpu_sriov_runtime(adev) \
266((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
267
268#define amdgpu_passthrough(adev) \
269((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
270
271static inline bool is_virtual_machine(void)
272{
273#ifdef CONFIG_X86
274 return boot_cpu_has(X86_FEATURE_HYPERVISOR);
275#else
276 return false;
277#endif
278}
279
280struct amdgpu_vm;
281
282uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev);
283bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
284int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
285int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
286 struct amdgpu_bo_va **bo_va);
287void amdgpu_free_static_csa(struct amdgpu_device *adev);
288void amdgpu_virt_init_setting(struct amdgpu_device *adev);
289uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
290void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
291int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
292int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
293int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
294int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
295int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
296void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
297int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
298 unsigned int key,
299 unsigned int chksum);
300void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
301
302#endif