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path: root/drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h62
1 files changed, 48 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h b/drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h
index da815a93d46e..d5748032674e 100644
--- a/drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h
+++ b/drivers/gpu/drm/amd/amdgpu/ta_xgmi_if.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2018 Advanced Micro Devices, Inc.
+ * Copyright 2018-2022 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"),
@@ -20,7 +20,6 @@
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
-
#ifndef _TA_XGMI_IF_H
#define _TA_XGMI_IF_H
@@ -28,20 +27,31 @@
#define RSP_ID_MASK (1U << 31)
#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
+#define EXTEND_PEER_LINK_INFO_CMD_FLAG 1
+
enum ta_command_xgmi {
+ /* Initialize the Context and Session Topology */
TA_COMMAND_XGMI__INITIALIZE = 0x00,
+ /* Gets the current GPU's node ID */
TA_COMMAND_XGMI__GET_NODE_ID = 0x01,
+ /* Gets the current GPU's hive ID */
TA_COMMAND_XGMI__GET_HIVE_ID = 0x02,
- TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO = 0x03,
+ /* Gets the Peer's topology Information */
+ TA_COMMAND_XGMI__GET_TOPOLOGY_INFO = 0x03,
+ /* Sets the Peer's topology Information */
TA_COMMAND_XGMI__SET_TOPOLOGY_INFO = 0x04,
- TA_COMMAND_XGMI__GET_PEER_LINKS = 0x0B
+ /* Gets the total links between adjacent peer dies in hive */
+ TA_COMMAND_XGMI__GET_PEER_LINKS = 0x0B,
+ /* Gets the total links and connected port numbers between adjacent peer dies in hive */
+ TA_COMMAND_XGMI__GET_EXTEND_PEER_LINKS = 0x0C
};
/* XGMI related enumerations */
/**********************************************************/;
-enum ta_xgmi_connected_nodes {
- TA_XGMI__MAX_CONNECTED_NODES = 64
-};
+enum { TA_XGMI__MAX_CONNECTED_NODES = 64 };
+enum { TA_XGMI__MAX_INTERNAL_STATE = 32 };
+enum { TA_XGMI__MAX_INTERNAL_STATE_BUFFER = 128 };
+enum { TA_XGMI__MAX_PORT_NUM = 8 };
enum ta_xgmi_status {
TA_XGMI_STATUS__SUCCESS = 0x00,
@@ -81,6 +91,18 @@ struct ta_xgmi_peer_link_info {
uint8_t num_links;
};
+struct xgmi_connected_port_num {
+ uint8_t dst_xgmi_port_num;
+ uint8_t src_xgmi_port_num;
+};
+
+/* support both the port num and num_links */
+struct ta_xgmi_extend_peer_link_info {
+ uint64_t node_id;
+ uint8_t num_links;
+ struct xgmi_connected_port_num port_num[TA_XGMI__MAX_PORT_NUM];
+};
+
struct ta_xgmi_cmd_initialize_output {
uint32_t status;
};
@@ -103,16 +125,21 @@ struct ta_xgmi_cmd_get_topology_info_output {
struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
};
-struct ta_xgmi_cmd_get_peer_link_info_output {
+struct ta_xgmi_cmd_set_topology_info_input {
uint32_t num_nodes;
- struct ta_xgmi_peer_link_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
+ struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
};
-struct ta_xgmi_cmd_set_topology_info_input {
+/* support XGMI TA w/ and w/o port_num both so two similar structs defined */
+struct ta_xgmi_cmd_get_peer_link_info {
uint32_t num_nodes;
- struct ta_xgmi_node_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
+ struct ta_xgmi_peer_link_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
};
+struct ta_xgmi_cmd_get_extend_peer_link_info {
+ uint32_t num_nodes;
+ struct ta_xgmi_extend_peer_link_info nodes[TA_XGMI__MAX_CONNECTED_NODES];
+};
/**********************************************************/
/* Common input structure for XGMI callbacks */
union ta_xgmi_cmd_input {
@@ -126,16 +153,23 @@ union ta_xgmi_cmd_output {
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_cmd_get_peer_link_info get_link_info;
+ struct ta_xgmi_cmd_get_extend_peer_link_info get_extend_link_info;
};
-/**********************************************************/
struct ta_xgmi_shared_memory {
uint32_t cmd_id;
uint32_t resp_id;
enum ta_xgmi_status xgmi_status;
+
+ /* if the number of xgmi link record is more than 128, driver will set the
+ * flag 0 to get the first 128 of the link records and will set to 1, to get
+ * the second set
+ */
uint8_t flag_extend_link_record;
- uint8_t reserved0[3];
+ /* bit0: port_num info support flag for GET_EXTEND_PEER_LINKS commmand */
+ uint8_t caps_flag;
+ uint8_t reserved[2];
union ta_xgmi_cmd_input xgmi_in_message;
union ta_xgmi_cmd_output xgmi_out_message;
};