[linux-2.6-block.git] / drivers / gpu / drm / amd / amdgpu / ta_xgmi_if.h

/*
 * 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
Commit	Line	Data
4de5f005 HZ	1	/*
	2	* Copyright 2018 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	*/
	23
	24	#ifndef _TA_XGMI_IF_H
	25	#define _TA_XGMI_IF_H
	26
	27	/* Responses have bit 31 set */
	28	#define RSP_ID_MASK (1U << 31)
	29	#define RSP_ID(cmdId) (((uint32_t)(cmdId)) \| RSP_ID_MASK)
	30
	31	enum ta_command_xgmi {
	32	TA_COMMAND_XGMI__INITIALIZE = 0x00,
	33	TA_COMMAND_XGMI__GET_NODE_ID = 0x01,
	34	TA_COMMAND_XGMI__GET_HIVE_ID = 0x02,
	35	TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO = 0x03,
	36	TA_COMMAND_XGMI__SET_TOPOLOGY_INFO = 0x04
	37	};
	38
	39	/* XGMI related enumerations */
	40	/**********************************************************/;
	41	enum ta_xgmi_connected_nodes {
	42	TA_XGMI__MAX_CONNECTED_NODES = 64
	43	};
	44
	45	enum ta_xgmi_status {
	46	TA_XGMI_STATUS__SUCCESS = 0x00,
	47	TA_XGMI_STATUS__GENERIC_FAILURE = 0x01,
	48	TA_XGMI_STATUS__NULL_POINTER = 0x02,
	49	TA_XGMI_STATUS__INVALID_PARAMETER = 0x03,
	50	TA_XGMI_STATUS__NOT_INITIALIZED = 0x04,
	51	TA_XGMI_STATUS__INVALID_NODE_NUM = 0x05,
	52	TA_XGMI_STATUS__INVALID_NODE_ID = 0x06,
	53	TA_XGMI_STATUS__INVALID_TOPOLOGY = 0x07,
	54	TA_XGMI_STATUS__FAILED_ID_GEN = 0x08,
	55	TA_XGMI_STATUS__FAILED_TOPOLOGY_INIT = 0x09,
	56	TA_XGMI_STATUS__SET_SHARING_ERROR = 0x0A
	57	};
	58
	59	enum ta_xgmi_assigned_sdma_engine {
	60	TA_XGMI_ASSIGNED_SDMA_ENGINE__NOT_ASSIGNED = -1,
	61	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA0 = 0,
	62	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA1 = 1,
	63	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA2 = 2,
	64	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA3 = 3,
65	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA4 = 4,
66	TA_XGMI_ASSIGNED_SDMA_ENGINE__SDMA5 = 5
67	};
68
69	/* input/output structures for XGMI commands */
70	/**********************************************************/
71	struct ta_xgmi_node_info {
72	uint64_t node_id;
73	uint8_t num_hops;
74	uint8_t is_sharing_enabled;
75	enum ta_xgmi_assigned_sdma_engine sdma_engine;
76	};
77
78	struct ta_xgmi_cmd_initialize_output {
79	uint32_t status;
80	};
81
82	struct ta_xgmi_cmd_get_node_id_output {
83	uint64_t node_id;
84	};
85
86	struct ta_xgmi_cmd_get_hive_id_output {
87	uint64_t hive_id;
88	};
89
90	struct ta_xgmi_cmd_get_topology_info_input {
91	uint32_t num_nodes;
92	struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
93	};
94
95	struct ta_xgmi_cmd_get_topology_info_output {
96	uint32_t num_nodes;
97	struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
98	};
99
100	struct ta_xgmi_cmd_set_topology_info_input {
101	uint32_t num_nodes;
102	struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
103	};
104
105	/**********************************************************/
106	/* Common input structure for XGMI callbacks */
107	union ta_xgmi_cmd_input {
108	struct ta_xgmi_cmd_get_topology_info_input get_topology_info;
109	struct ta_xgmi_cmd_set_topology_info_input set_topology_info;
110	};
111
112	/* Common output structure for XGMI callbacks */
113	union ta_xgmi_cmd_output {
114	struct ta_xgmi_cmd_initialize_output initialize;
115	struct ta_xgmi_cmd_get_node_id_output get_node_id;
116	struct ta_xgmi_cmd_get_hive_id_output get_hive_id;
117	struct ta_xgmi_cmd_get_topology_info_output get_topology_info;
118	};
119	/**********************************************************/
120
121	struct ta_xgmi_shared_memory {
122	uint32_t cmd_id;
123	uint32_t resp_id;
124	enum ta_xgmi_status xgmi_status;
125	uint32_t reserved;
126	union ta_xgmi_cmd_input xgmi_in_message;
127	union ta_xgmi_cmd_output xgmi_out_message;
128	};
129
130	#endif //_TA_XGMI_IF_H