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	Aligned the amd_sriov_msg_pf2vf_info_header and amd_sriov_msg_pf2vf_info_header's definition with libgv. Signed-off-by: Emily Deng <Emily.Deng@amd.com> Reviewed-by: Frank.Min <Frank.Min@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
			
				
	
	
		
			299 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			299 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2016 Advanced Micro Devices, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * Author: Monk.liu@amd.com
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 */
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#ifndef AMDGPU_VIRT_H
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#define AMDGPU_VIRT_H
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#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS  (1 << 0) /* vBIOS is sr-iov ready */
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#define AMDGPU_SRIOV_CAPS_ENABLE_IOV   (1 << 1) /* sr-iov is enabled on this GPU */
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#define AMDGPU_SRIOV_CAPS_IS_VF        (1 << 2) /* this GPU is a virtual function */
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#define AMDGPU_PASSTHROUGH_MODE        (1 << 3) /* thw whole GPU is pass through for VM */
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#define AMDGPU_SRIOV_CAPS_RUNTIME      (1 << 4) /* is out of full access mode */
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struct amdgpu_mm_table {
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	struct amdgpu_bo	*bo;
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	uint32_t		*cpu_addr;
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	uint64_t		gpu_addr;
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};
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#define AMDGPU_VF_ERROR_ENTRY_SIZE    16
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/* struct error_entry - amdgpu VF error information. */
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struct amdgpu_vf_error_buffer {
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	struct mutex lock;
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	int read_count;
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	int write_count;
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	uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
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	uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
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	uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
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};
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/**
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 * struct amdgpu_virt_ops - amdgpu device virt operations
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 */
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struct amdgpu_virt_ops {
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	int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
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	int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
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	int (*reset_gpu)(struct amdgpu_device *adev);
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	int (*wait_reset)(struct amdgpu_device *adev);
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	void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
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};
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/*
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 * Firmware Reserve Frame buffer
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 */
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struct amdgpu_virt_fw_reserve {
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	struct amd_sriov_msg_pf2vf_info_header *p_pf2vf;
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	struct amd_sriov_msg_vf2pf_info_header *p_vf2pf;
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	unsigned int checksum_key;
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};
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/*
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 * Defination between PF and VF
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 * Structures forcibly aligned to 4 to keep the same style as PF.
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 */
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#define AMDGIM_DATAEXCHANGE_OFFSET		(64 * 1024)
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#define AMDGIM_GET_STRUCTURE_RESERVED_SIZE(total, u8, u16, u32, u64) \
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		(total - (((u8)+3) / 4 + ((u16)+1) / 2 + (u32) + (u64)*2))
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enum AMDGIM_FEATURE_FLAG {
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	/* GIM supports feature of Error log collecting */
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	AMDGIM_FEATURE_ERROR_LOG_COLLECT = 0x1,
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	/* GIM supports feature of loading uCodes */
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	AMDGIM_FEATURE_GIM_LOAD_UCODES   = 0x2,
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	/* VRAM LOST by GIM */
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	AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
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};
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struct amd_sriov_msg_pf2vf_info_header {
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	/* the total structure size in byte. */
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	uint32_t size;
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	/* version of this structure, written by the GIM */
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	uint32_t version;
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	/* reserved */
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	uint32_t reserved[2];
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} __aligned(4);
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struct  amdgim_pf2vf_info_v1 {
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	/* header contains size and version */
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	struct amd_sriov_msg_pf2vf_info_header header;
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	/* max_width * max_height */
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	unsigned int uvd_enc_max_pixels_count;
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	/* 16x16 pixels/sec, codec independent */
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	unsigned int uvd_enc_max_bandwidth;
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	/* max_width * max_height */
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	unsigned int vce_enc_max_pixels_count;
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	/* 16x16 pixels/sec, codec independent */
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	unsigned int vce_enc_max_bandwidth;
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	/* MEC FW position in kb from the start of visible frame buffer */
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	unsigned int mecfw_kboffset;
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	/* The features flags of the GIM driver supports. */
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	unsigned int feature_flags;
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	/* use private key from mailbox 2 to create chueksum */
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	unsigned int checksum;
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} __aligned(4);
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struct  amdgim_pf2vf_info_v2 {
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	/* header contains size and version */
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	struct amd_sriov_msg_pf2vf_info_header header;
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	/* use private key from mailbox 2 to create chueksum */
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	uint32_t checksum;
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	/* The features flags of the GIM driver supports. */
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	uint32_t feature_flags;
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	/* max_width * max_height */
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	uint32_t uvd_enc_max_pixels_count;
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	/* 16x16 pixels/sec, codec independent */
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	uint32_t uvd_enc_max_bandwidth;
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	/* max_width * max_height */
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	uint32_t vce_enc_max_pixels_count;
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	/* 16x16 pixels/sec, codec independent */
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	uint32_t vce_enc_max_bandwidth;
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	/* MEC FW position in kb from the start of VF visible frame buffer */
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	uint64_t mecfw_kboffset;
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	/* MEC FW size in KB */
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	uint32_t mecfw_ksize;
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	/* UVD FW position in kb from the start of VF visible frame buffer */
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	uint64_t uvdfw_kboffset;
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	/* UVD FW size in KB */
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	uint32_t uvdfw_ksize;
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	/* VCE FW position in kb from the start of VF visible frame buffer */
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	uint64_t vcefw_kboffset;
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	/* VCE FW size in KB */
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	uint32_t vcefw_ksize;
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	uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 0, 0, (9 + sizeof(struct amd_sriov_msg_pf2vf_info_header)/sizeof(uint32_t)), 3)];
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} __aligned(4);
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struct amd_sriov_msg_vf2pf_info_header {
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	/* the total structure size in byte. */
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	uint32_t size;
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	/*version of this structure, written by the guest */
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	uint32_t version;
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	/* reserved */
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	uint32_t reserved[2];
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} __aligned(4);
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struct amdgim_vf2pf_info_v1 {
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	/* header contains size and version */
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	struct amd_sriov_msg_vf2pf_info_header header;
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	/* driver version */
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	char driver_version[64];
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	/* driver certification, 1=WHQL, 0=None */
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	unsigned int driver_cert;
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	/* guest OS type and version: need a define */
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	unsigned int os_info;
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	/* in the unit of 1M */
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	unsigned int fb_usage;
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	/* guest gfx engine usage percentage */
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	unsigned int gfx_usage;
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	/* guest gfx engine health percentage */
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	unsigned int gfx_health;
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	/* guest compute engine usage percentage */
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	unsigned int compute_usage;
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	/* guest compute engine health percentage */
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	unsigned int compute_health;
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	/* guest vce engine usage percentage. 0xffff means N/A. */
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	unsigned int vce_enc_usage;
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	/* guest vce engine health percentage. 0xffff means N/A. */
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	unsigned int vce_enc_health;
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	/* guest uvd engine usage percentage. 0xffff means N/A. */
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	unsigned int uvd_enc_usage;
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	/* guest uvd engine usage percentage. 0xffff means N/A. */
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	unsigned int uvd_enc_health;
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	unsigned int checksum;
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} __aligned(4);
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struct amdgim_vf2pf_info_v2 {
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	/* header contains size and version */
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	struct amd_sriov_msg_vf2pf_info_header header;
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	uint32_t checksum;
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	/* driver version */
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	uint8_t driver_version[64];
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	/* driver certification, 1=WHQL, 0=None */
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	uint32_t driver_cert;
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	/* guest OS type and version: need a define */
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	uint32_t os_info;
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	/* in the unit of 1M */
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	uint32_t fb_usage;
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	/* guest gfx engine usage percentage */
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	uint32_t gfx_usage;
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	/* guest gfx engine health percentage */
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	uint32_t gfx_health;
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	/* guest compute engine usage percentage */
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	uint32_t compute_usage;
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	/* guest compute engine health percentage */
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	uint32_t compute_health;
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	/* guest vce engine usage percentage. 0xffff means N/A. */
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	uint32_t vce_enc_usage;
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	/* guest vce engine health percentage. 0xffff means N/A. */
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	uint32_t vce_enc_health;
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	/* guest uvd engine usage percentage. 0xffff means N/A. */
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	uint32_t uvd_enc_usage;
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	/* guest uvd engine usage percentage. 0xffff means N/A. */
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	uint32_t uvd_enc_health;
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	uint32_t reserved[AMDGIM_GET_STRUCTURE_RESERVED_SIZE(256, 64, 0, (12 + sizeof(struct amd_sriov_msg_vf2pf_info_header)/sizeof(uint32_t)), 0)];
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} __aligned(4);
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#define AMDGPU_FW_VRAM_VF2PF_VER 2
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typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
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#define AMDGPU_FW_VRAM_VF2PF_WRITE(adev, field, val) \
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	do { \
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		((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field = (val); \
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	} while (0)
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#define AMDGPU_FW_VRAM_VF2PF_READ(adev, field, val) \
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	do { \
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		(*val) = ((amdgim_vf2pf_info *)adev->virt.fw_reserve.p_vf2pf)->field; \
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	} while (0)
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#define AMDGPU_FW_VRAM_PF2VF_READ(adev, field, val) \
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	do { \
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		if (!adev->virt.fw_reserve.p_pf2vf) \
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			*(val) = 0; \
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		else { \
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			if (adev->virt.fw_reserve.p_pf2vf->version == 1) \
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				*(val) = ((struct amdgim_pf2vf_info_v1 *)adev->virt.fw_reserve.p_pf2vf)->field; \
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			if (adev->virt.fw_reserve.p_pf2vf->version == 2) \
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				*(val) = ((struct amdgim_pf2vf_info_v2 *)adev->virt.fw_reserve.p_pf2vf)->field; \
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		} \
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	} while (0)
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/* GPU virtualization */
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struct amdgpu_virt {
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	uint32_t			caps;
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	struct amdgpu_bo		*csa_obj;
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	bool chained_ib_support;
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	uint32_t			reg_val_offs;
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	struct amdgpu_irq_src		ack_irq;
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	struct amdgpu_irq_src		rcv_irq;
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	struct work_struct		flr_work;
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	struct amdgpu_mm_table		mm_table;
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	const struct amdgpu_virt_ops	*ops;
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	struct amdgpu_vf_error_buffer   vf_errors;
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	struct amdgpu_virt_fw_reserve	fw_reserve;
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	uint32_t gim_feature;
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};
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#define amdgpu_sriov_enabled(adev) \
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((adev)->virt.caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
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#define amdgpu_sriov_vf(adev) \
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((adev)->virt.caps & AMDGPU_SRIOV_CAPS_IS_VF)
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#define amdgpu_sriov_bios(adev) \
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((adev)->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
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#define amdgpu_sriov_runtime(adev) \
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((adev)->virt.caps & AMDGPU_SRIOV_CAPS_RUNTIME)
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#define amdgpu_passthrough(adev) \
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((adev)->virt.caps & AMDGPU_PASSTHROUGH_MODE)
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static inline bool is_virtual_machine(void)
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{
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#ifdef CONFIG_X86
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	return boot_cpu_has(X86_FEATURE_HYPERVISOR);
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#else
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	return false;
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#endif
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}
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bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
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void amdgpu_virt_init_setting(struct amdgpu_device *adev);
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uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
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void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);
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void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
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					uint32_t reg0, uint32_t rreg1,
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					uint32_t ref, uint32_t mask);
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int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
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int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
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int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
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int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
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int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
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void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
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int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
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					unsigned int key,
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					unsigned int chksum);
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void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
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#endif
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