drm/amdgpu/psp: add xgmi ta header (4de5f005) · Commits · github.com / kvm-riscv / linux

drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h

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+130 −0

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		/*
		* Copyright 2018 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.
		*
		*/

		#ifndef _TA_XGMI_IF_H
		#define _TA_XGMI_IF_H

		/* Responses have bit 31 set */
		#define RSP_ID_MASK (1U << 31)
		#define RSP_ID(cmdId) (((uint32_t)(cmdId)) \| RSP_ID_MASK)

		enum ta_command_xgmi {
		TA_COMMAND_XGMI__INITIALIZE = 0x00,
		TA_COMMAND_XGMI__GET_NODE_ID = 0x01,
		TA_COMMAND_XGMI__GET_HIVE_ID = 0x02,
		TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO = 0x03,
		TA_COMMAND_XGMI__SET_TOPOLOGY_INFO = 0x04
		};

		/* XGMI related enumerations */
		/**********************************************************/;
		enum ta_xgmi_connected_nodes {
		TA_XGMI__MAX_CONNECTED_NODES = 64
		};

		enum ta_xgmi_status {
		TA_XGMI_STATUS__SUCCESS = 0x00,
		TA_XGMI_STATUS__GENERIC_FAILURE = 0x01,
		TA_XGMI_STATUS__NULL_POINTER = 0x02,
		TA_XGMI_STATUS__INVALID_PARAMETER = 0x03,
		TA_XGMI_STATUS__NOT_INITIALIZED = 0x04,
		TA_XGMI_STATUS__INVALID_NODE_NUM = 0x05,
		TA_XGMI_STATUS__INVALID_NODE_ID = 0x06,
		TA_XGMI_STATUS__INVALID_TOPOLOGY = 0x07,
		TA_XGMI_STATUS__FAILED_ID_GEN = 0x08,
		TA_XGMI_STATUS__FAILED_TOPOLOGY_INIT = 0x09,
		TA_XGMI_STATUS__SET_SHARING_ERROR = 0x0A
		};

		enum ta_xgmi_assigned_sdma_engine {
		TA_XGMI_ASSIGNED_SDMA_ENGINE__NOT_ASSIGNED = -1,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA0 = 0,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA1 = 1,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA2 = 2,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA3 = 3,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA4 = 4,
		TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA5 = 5
		};

		/* input/output structures for XGMI commands */
		/**********************************************************/
		struct ta_xgmi_node_info {
		uint64_t node_id;
		uint8_t num_hops;
		uint8_t is_sharing_enabled;
		enum ta_xgmi_assigned_sdma_engine sdma_engine;
		};

		struct ta_xgmi_cmd_initialize_output {
		uint32_t status;
		};

		struct ta_xgmi_cmd_get_node_id_output {
		uint64_t node_id;
		};

		struct ta_xgmi_cmd_get_hive_id_output {
		uint64_t hive_id;
		};

		struct ta_xgmi_cmd_get_topology_info_input {
		uint32_t num_nodes;
		struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
		};

		struct ta_xgmi_cmd_get_topology_info_output {
		uint32_t num_nodes;
		struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
		};

		struct ta_xgmi_cmd_set_topology_info_input {
		uint32_t num_nodes;
		struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
		};

		/**********************************************************/
		/* Common input structure for XGMI callbacks */
		union ta_xgmi_cmd_input {
		struct ta_xgmi_cmd_get_topology_info_input get_topology_info;
		struct ta_xgmi_cmd_set_topology_info_input set_topology_info;
		};

		/* Common output structure for XGMI callbacks */
		union ta_xgmi_cmd_output {
		struct ta_xgmi_cmd_initialize_output initialize;
		struct ta_xgmi_cmd_get_node_id_output get_node_id;
		struct ta_xgmi_cmd_get_hive_id_output get_hive_id;
		struct ta_xgmi_cmd_get_topology_info_output get_topology_info;
		};
		/**********************************************************/

		struct ta_xgmi_shared_memory {
		uint32_t cmd_id;
		uint32_t resp_id;
		enum ta_xgmi_status xgmi_status;
		uint32_t reserved;
		union ta_xgmi_cmd_input xgmi_in_message;
		union ta_xgmi_cmd_output xgmi_out_message;
		};

		#endif //_TA_XGMI_IF_H