Add the psp xgmi driver interface. Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
			
				
	
	
		
			131 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 2018 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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|  */
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| 
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| #ifndef _TA_XGMI_IF_H
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| #define _TA_XGMI_IF_H
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| 
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| /* Responses have bit 31 set */
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| #define RSP_ID_MASK (1U << 31)
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| #define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
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| 
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| enum ta_command_xgmi {
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| 	TA_COMMAND_XGMI__INITIALIZE			= 0x00,
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| 	TA_COMMAND_XGMI__GET_NODE_ID			= 0x01,
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| 	TA_COMMAND_XGMI__GET_HIVE_ID			= 0x02,
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| 	TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO		= 0x03,
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| 	TA_COMMAND_XGMI__SET_TOPOLOGY_INFO		= 0x04
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| };
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| 
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| /* XGMI related enumerations */
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| /**********************************************************/;
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| enum ta_xgmi_connected_nodes {
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| 	TA_XGMI__MAX_CONNECTED_NODES			= 64
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| };
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| 
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| enum ta_xgmi_status {
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| 	TA_XGMI_STATUS__SUCCESS				= 0x00,
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| 	TA_XGMI_STATUS__GENERIC_FAILURE			= 0x01,
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| 	TA_XGMI_STATUS__NULL_POINTER			= 0x02,
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| 	TA_XGMI_STATUS__INVALID_PARAMETER		= 0x03,
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| 	TA_XGMI_STATUS__NOT_INITIALIZED			= 0x04,
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| 	TA_XGMI_STATUS__INVALID_NODE_NUM		= 0x05,
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| 	TA_XGMI_STATUS__INVALID_NODE_ID			= 0x06,
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| 	TA_XGMI_STATUS__INVALID_TOPOLOGY		= 0x07,
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| 	TA_XGMI_STATUS__FAILED_ID_GEN			= 0x08,
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| 	TA_XGMI_STATUS__FAILED_TOPOLOGY_INIT		= 0x09,
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| 	TA_XGMI_STATUS__SET_SHARING_ERROR		= 0x0A
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| };
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| 
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| enum ta_xgmi_assigned_sdma_engine {
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__NOT_ASSIGNED	= -1,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA0		= 0,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA1		= 1,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA2		= 2,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA3		= 3,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA4		= 4,
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| 	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA5		= 5
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| };
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| 
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| /* input/output structures for XGMI commands */
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| /**********************************************************/
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| struct ta_xgmi_node_info {
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| 	uint64_t				node_id;
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| 	uint8_t					num_hops;
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| 	uint8_t					is_sharing_enabled;
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| 	enum ta_xgmi_assigned_sdma_engine	sdma_engine;
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| };
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| 
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| struct ta_xgmi_cmd_initialize_output {
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| 	uint32_t	status;
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| };
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| 
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| struct ta_xgmi_cmd_get_node_id_output {
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| 	uint64_t	node_id;
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| };
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| 
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| struct ta_xgmi_cmd_get_hive_id_output {
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| 	uint64_t	hive_id;
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| };
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| 
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| struct ta_xgmi_cmd_get_topology_info_input {
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| 	uint32_t			num_nodes;
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| 	struct ta_xgmi_node_info	nodes[TA_XGMI__MAX_CONNECTED_NODES];
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| };
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| 
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| struct ta_xgmi_cmd_get_topology_info_output {
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| 	uint32_t			num_nodes;
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| 	struct ta_xgmi_node_info	nodes[TA_XGMI__MAX_CONNECTED_NODES];
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| };
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| 
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| struct ta_xgmi_cmd_set_topology_info_input {
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| 	uint32_t			num_nodes;
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| 	struct ta_xgmi_node_info	nodes[TA_XGMI__MAX_CONNECTED_NODES];
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| };
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| 
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| /**********************************************************/
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| /* Common input structure for XGMI callbacks */
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| union ta_xgmi_cmd_input {
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| 	struct ta_xgmi_cmd_get_topology_info_input	get_topology_info;
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| 	struct ta_xgmi_cmd_set_topology_info_input	set_topology_info;
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| };
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| 
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| /* Common output structure for XGMI callbacks */
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| union ta_xgmi_cmd_output {
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| 	struct ta_xgmi_cmd_initialize_output		initialize;
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| 	struct ta_xgmi_cmd_get_node_id_output		get_node_id;
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| 	struct ta_xgmi_cmd_get_hive_id_output		get_hive_id;
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| 	struct ta_xgmi_cmd_get_topology_info_output	get_topology_info;
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| };
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| /**********************************************************/
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| 
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| struct ta_xgmi_shared_memory {
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| 	uint32_t			cmd_id;
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| 	uint32_t			resp_id;
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| 	enum ta_xgmi_status		xgmi_status;
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| 	uint32_t			reserved;
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| 	union ta_xgmi_cmd_input		xgmi_in_message;
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| 	union ta_xgmi_cmd_output	xgmi_out_message;
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| };
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| 
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| #endif   //_TA_XGMI_IF_H
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