2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Author: Monk.liu@amd.com
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 */
33 struct amdgpu_mm_table {
39 #define AMDGPU_VF_ERROR_ENTRY_SIZE 16
41 /* struct error_entry - amdgpu VF error information. */
42 struct amdgpu_vf_error_buffer {
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];
54 * struct amdgpu_virt_ops - amdgpu device virt operations
56 struct amdgpu_virt_ops {
57 int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
58 int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
59 int (*reset_gpu)(struct amdgpu_device *adev);
60 int (*wait_reset)(struct amdgpu_device *adev);
61 void (*trans_msg)(struct amdgpu_device *adev, enum idh_request req,
62 u32 data1, u32 data2, u32 data3);
66 * Firmware Reserve Frame buffer
68 struct amdgpu_virt_fw_reserve {
69 struct amdgim_pf2vf_info_header *p_pf2vf;
70 struct amdgim_vf2pf_info_header *p_vf2pf;
71 unsigned int checksum_key;
74 * Defination between PF and VF
75 * Structures forcibly aligned to 4 to keep the same style as PF.
77 #define AMDGIM_DATAEXCHANGE_OFFSET (64 * 1024)
79 #define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
80 (total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
82 enum AMDGIM_FEATURE_FLAG {
83 /* GIM supports feature of Error log collecting */
84 AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
85 /* GIM supports feature of loading uCodes */
86 AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
87 /* VRAM LOST by GIM */
88 AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
91 struct amdgim_pf2vf_info_header {
92 /* the total structure size in byte. */
94 /* version of this structure, written by the GIM */
97 struct amdgim_pf2vf_info_v1 {
98 /* header contains size and version */
99 struct amdgim_pf2vf_info_header header;
100 /* max_width * max_height */
101 unsigned int uvd_enc_max_pixels_count;
102 /* 16x16 pixels/sec, codec independent */
103 unsigned int uvd_enc_max_bandwidth;
104 /* max_width * max_height */
105 unsigned int vce_enc_max_pixels_count;
106 /* 16x16 pixels/sec, codec independent */
107 unsigned int vce_enc_max_bandwidth;
108 /* MEC FW position in kb from the start of visible frame buffer */
109 unsigned int mecfw_kboffset;
110 /* The features flags of the GIM driver supports. */
111 unsigned int feature_flags;
112 /* use private key from mailbox 2 to create chueksum */
113 unsigned int checksum;
116 struct amdgim_pf2vf_info_v2 {
117 /* header contains size and version */
118 struct amdgim_pf2vf_info_header header;
119 /* use private key from mailbox 2 to create chueksum */
121 /* The features flags of the GIM driver supports. */
122 uint32_t feature_flags;
123 /* max_width * max_height */
124 uint32_t uvd_enc_max_pixels_count;
125 /* 16x16 pixels/sec, codec independent */
126 uint32_t uvd_enc_max_bandwidth;
127 /* max_width * max_height */
128 uint32_t vce_enc_max_pixels_count;
129 /* 16x16 pixels/sec, codec independent */
130 uint32_t vce_enc_max_bandwidth;
131 /* MEC FW position in kb from the start of VF visible frame buffer */
132 uint64_t mecfw_kboffset;
133 /* MEC FW size in KB */
134 uint32_t mecfw_ksize;
135 /* UVD FW position in kb from the start of VF visible frame buffer */
136 uint64_t uvdfw_kboffset;
137 /* UVD FW size in KB */
138 uint32_t uvdfw_ksize;
139 /* VCE FW position in kb from the start of VF visible frame buffer */
140 uint64_t vcefw_kboffset;
141 /* VCE FW size in KB */
142 uint32_t vcefw_ksize;
143 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amdgim_pf2vf_info_header)/sizeof(uint32_t)), 3)];
147 struct amdgim_vf2pf_info_header {
148 /* the total structure size in byte. */
150 /*version of this structure, written by the guest */
154 struct amdgim_vf2pf_info_v1 {
155 /* header contains size and version */
156 struct amdgim_vf2pf_info_header header;
158 char driver_version[64];
159 /* driver certification, 1=WHQL, 0=None */
160 unsigned int driver_cert;
161 /* guest OS type and version: need a define */
162 unsigned int os_info;
163 /* in the unit of 1M */
164 unsigned int fb_usage;
165 /* guest gfx engine usage percentage */
166 unsigned int gfx_usage;
167 /* guest gfx engine health percentage */
168 unsigned int gfx_health;
169 /* guest compute engine usage percentage */
170 unsigned int compute_usage;
171 /* guest compute engine health percentage */
172 unsigned int compute_health;
173 /* guest vce engine usage percentage. 0xffff means N/A. */
174 unsigned int vce_enc_usage;
175 /* guest vce engine health percentage. 0xffff means N/A. */
176 unsigned int vce_enc_health;
177 /* guest uvd engine usage percentage. 0xffff means N/A. */
178 unsigned int uvd_enc_usage;
179 /* guest uvd engine usage percentage. 0xffff means N/A. */
180 unsigned int uvd_enc_health;
181 unsigned int checksum;
184 struct amdgim_vf2pf_info_v2 {
185 /* header contains size and version */
186 struct amdgim_vf2pf_info_header header;
189 uint8_t driver_version[64];
190 /* driver certification, 1=WHQL, 0=None */
191 uint32_t driver_cert;
192 /* guest OS type and version: need a define */
194 /* in the unit of 1M */
196 /* guest gfx engine usage percentage */
198 /* guest gfx engine health percentage */
200 /* guest compute engine usage percentage */
201 uint32_t compute_usage;
202 /* guest compute engine health percentage */
203 uint32_t compute_health;
204 /* guest vce engine usage percentage. 0xffff means N/A. */
205 uint32_t vce_enc_usage;
206 /* guest vce engine health percentage. 0xffff means N/A. */
207 uint32_t vce_enc_health;
208 /* guest uvd engine usage percentage. 0xffff means N/A. */
209 uint32_t uvd_enc_usage;
210 /* guest uvd engine usage percentage. 0xffff means N/A. */
211 uint32_t uvd_enc_health;
212 uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amdgim_vf2pf_info_header)/sizeof(uint32_t)), 0)];
215 #define AMDGPU_FW_VRAM_VF2PF_VER 2
216 typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
218 #define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
220 ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field = (val); \
223 #define AMDGPU_FW_VRAM_VF2PF_READ(adev, field, val) \
225 (*val) = ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field; \
228 #define AMDGPU_FW_VRAM_PF2VF_READ(adev, field, val) \
230 if (!adev->virt.fw_reserve.p_pf2vf) \
233 if (adev->virt.fw_reserve.p_pf2vf->version == 1) \
234 *(val) = ((struct amdgim_pf2vf_info_v1 *)adev->virt.fw_reserve.p_pf2vf)->field; \
235 if (adev->virt.fw_reserve.p_pf2vf->version == 2) \
236 *(val) = ((struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf)->field; \
240 /* GPU virtualization */
243 struct amdgpu_bo *csa_obj;
244 uint64_t csa_vmid0_addr;
245 bool chained_ib_support;
246 uint32_t reg_val_offs;
247 struct amdgpu_irq_src ack_irq;
248 struct amdgpu_irq_src rcv_irq;
249 struct work_struct flr_work;
250 struct amdgpu_mm_table mm_table;
251 const struct amdgpu_virt_ops *ops;
252 struct amdgpu_vf_error_buffer vf_errors;
253 struct amdgpu_virt_fw_reserve fw_reserve;
254 uint32_t gim_feature;
257 #define AMDGPU_CSA_SIZE (8 * 1024)
259 #define amdgpu_sriov_enabled(adev) \
260 ((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
262 #define amdgpu_sriov_vf(adev) \
263 ((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
265 #define amdgpu_sriov_bios(adev) \
266 ((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
268 #define amdgpu_sriov_runtime(adev) \
269 ((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
271 #define amdgpu_passthrough(adev) \
272 ((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
274 static inline bool is_virtual_machine(void)
277 return boot_cpu_has(X86_FEATURE_HYPERVISOR);
285 uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev);
286 bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
287 int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
288 int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
289 struct amdgpu_bo_va **bo_va);
290 void amdgpu_free_static_csa(struct amdgpu_device *adev);
291 void amdgpu_virt_init_setting(struct amdgpu_device *adev);
292 uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
293 void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
294 int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
295 int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
296 int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
297 int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
298 int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
299 void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
300 int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
302 unsigned int chksum);
303 void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);