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 _DISCOVERY_H_
 25#define _DISCOVERY_H_
 26
 27#define PSP_HEADER_SIZE                 256
 28#define BINARY_SIGNATURE                0x28211407
 29#define DISCOVERY_TABLE_SIGNATURE       0x53445049
 30
 31typedef enum
 32{
 33	IP_DISCOVERY = 0,
 34	GC,
 35	HARVEST_INFO,
 36	TABLE_4,
 37	RESERVED_1,
 38	RESERVED_2,
 39	TOTAL_TABLES = 6
 40} table;
 41
 42#pragma pack(1)
 43
 44typedef struct table_info
 45{
 46	uint16_t offset;   /* Byte offset */
 47	uint16_t checksum; /* Byte sum of the table */
 48	uint16_t size;     /* Table size */
 49	uint16_t padding;
 50} table_info;
 51
 52typedef struct binary_header
 53{
 54	/* psp structure should go at the top of this structure */
 55	uint32_t binary_signature; /* 0x7, 0x14, 0x21, 0x28 */
 56	uint16_t version_major;
 57	uint16_t version_minor;
 58	uint16_t binary_checksum;  /* Byte sum of the binary after this field */
 59	uint16_t binary_size;      /* Binary Size*/
 60	table_info table_list[TOTAL_TABLES];
 61} binary_header;
 62
 63typedef struct die_info
 64{
 65	uint16_t die_id;
 66	uint16_t die_offset; /* Points to the corresponding die_header structure */
 67} die_info;
 68
 69
 70typedef struct ip_discovery_header
 71{
 72	uint32_t signature;    /* Table Signature */
 73	uint16_t version;      /* Table Version */
 74	uint16_t size;         /* Table Size */
 75	uint32_t id;           /* Table ID */
 76	uint16_t num_dies;     /* Number of Dies */
 77	die_info die_info[16]; /* list die information for up to 16 dies */
 78	uint16_t padding[1];   /* padding */
 79} ip_discovery_header;
 80
 81typedef struct ip
 82{
 83	uint16_t hw_id;           /* Hardware ID */
 84	uint8_t number_instance;  /* instance of the IP */
 85	uint8_t num_base_address; /* Number of Base Addresses */
 86	uint8_t major;            /* HCID Major */
 87	uint8_t minor;            /* HCID Minor */
 88	uint8_t revision;         /* HCID Revision */
 89#if defined(__BIG_ENDIAN)
 90	uint8_t reserved : 4;     /* Placeholder field */
 91	uint8_t harvest : 4;      /* Harvest */
 92#else
 93	uint8_t harvest : 4;      /* Harvest */
 94	uint8_t reserved : 4;     /* Placeholder field */
 95#endif
 96	uint32_t base_address[1]; /* variable number of Addresses */
 97} ip;
 98
 99typedef struct die_header
100{
101	uint16_t die_id;
102	uint16_t num_ips;
103} die_header;
104
105typedef struct ip_structure
106{
107	ip_discovery_header* header;
108	struct die
109	{
110		die_header *die_header;
111		ip *ip_list;
112	} die;
113} ip_structure;
114
115struct gpu_info_header {
116	uint32_t table_id;      /* table ID */
117	uint16_t version_major; /* table version */
118	uint16_t version_minor; /* table version */
119	uint32_t size;          /* size of the entire header+data in bytes */
120};
121
122struct gc_info_v1_0 {
123	struct gpu_info_header header;
124
125	uint32_t gc_num_se;
126	uint32_t gc_num_wgp0_per_sa;
127	uint32_t gc_num_wgp1_per_sa;
128	uint32_t gc_num_rb_per_se;
129	uint32_t gc_num_gl2c;
130	uint32_t gc_num_gprs;
131	uint32_t gc_num_max_gs_thds;
132	uint32_t gc_gs_table_depth;
133	uint32_t gc_gsprim_buff_depth;
134	uint32_t gc_parameter_cache_depth;
135	uint32_t gc_double_offchip_lds_buffer;
136	uint32_t gc_wave_size;
137	uint32_t gc_max_waves_per_simd;
138	uint32_t gc_max_scratch_slots_per_cu;
139	uint32_t gc_lds_size;
140	uint32_t gc_num_sc_per_se;
141	uint32_t gc_num_sa_per_se;
142	uint32_t gc_num_packer_per_sc;
143	uint32_t gc_num_gl2a;
144};
145
146typedef struct harvest_info_header {
147	uint32_t signature; /* Table Signature */
148	uint32_t version;   /* Table Version */
149} harvest_info_header;
150
151typedef struct harvest_info {
152	uint16_t hw_id;          /* Hardware ID */
153	uint8_t number_instance; /* Instance of the IP */
154	uint8_t reserved;        /* Reserved for alignment */
155} harvest_info;
156
157typedef struct harvest_table {
158	harvest_info_header header;
159	harvest_info list[32];
160} harvest_table;
161
162#pragma pack()
163
164#endif