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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,
TA_COMMAND_XGMI__GET_PEER_LINKS = 0x0B
};
/* 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_peer_link_info {
uint64_t node_id;
uint8_t num_links;
};
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_get_peer_link_info_output {
uint32_t num_nodes;
struct ta_xgmi_peer_link_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_cmd_get_peer_link_info_output get_link_info;
};
/**********************************************************/
struct ta_xgmi_shared_memory {
uint32_t cmd_id;
uint32_t resp_id;
enum ta_xgmi_status xgmi_status;
uint8_t flag_extend_link_record;
uint8_t reserved0[3];
union ta_xgmi_cmd_input xgmi_in_message;
union ta_xgmi_cmd_output xgmi_out_message;
};
#endif //_TA_XGMI_IF_H
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