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discovery.h revision 1.1.1.1 
      1 /*	$NetBSD: discovery.h,v 1.1.1.1 2021/12/18 20:11:27 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2018 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  */
     25 
     26 #ifndef _DISCOVERY_H_
     27 #define _DISCOVERY_H_
     28 
     29 #define PSP_HEADER_SIZE                 256
     30 #define BINARY_SIGNATURE                0x28211407
     31 #define DISCOVERY_TABLE_SIGNATURE       0x53445049
     32 
     33 typedef enum
     34 {
     35 	IP_DISCOVERY = 0,
     36 	GC,
     37 	HARVEST_INFO,
     38 	TABLE_4,
     39 	RESERVED_1,
     40 	RESERVED_2,
     41 	TOTAL_TABLES = 6
     42 } table;
     43 
     44 #pragma pack(1)
     45 
     46 typedef struct table_info
     47 {
     48 	uint16_t offset;   /* Byte offset */
     49 	uint16_t checksum; /* Byte sum of the table */
     50 	uint16_t size;     /* Table size */
     51 	uint16_t padding;
     52 } table_info;
     53 
     54 typedef struct binary_header
     55 {
     56 	/* psp structure should go at the top of this structure */
     57 	uint32_t binary_signature; /* 0x7, 0x14, 0x21, 0x28 */
     58 	uint16_t version_major;
     59 	uint16_t version_minor;
     60 	uint16_t binary_checksum;  /* Byte sum of the binary after this field */
     61 	uint16_t binary_size;      /* Binary Size*/
     62 	table_info table_list[TOTAL_TABLES];
     63 } binary_header;
     64 
     65 typedef struct die_info
     66 {
     67 	uint16_t die_id;
     68 	uint16_t die_offset; /* Points to the corresponding die_header structure */
     69 } die_info;
     70 
     71 
     72 typedef struct ip_discovery_header
     73 {
     74 	uint32_t signature;    /* Table Signature */
     75 	uint16_t version;      /* Table Version */
     76 	uint16_t size;         /* Table Size */
     77 	uint32_t id;           /* Table ID */
     78 	uint16_t num_dies;     /* Number of Dies */
     79 	die_info die_info[16]; /* list die information for up to 16 dies */
     80 	uint16_t padding[1];   /* padding */
     81 } ip_discovery_header;
     82 
     83 typedef struct ip
     84 {
     85 	uint16_t hw_id;           /* Hardware ID */
     86 	uint8_t number_instance;  /* instance of the IP */
     87 	uint8_t num_base_address; /* Number of Base Addresses */
     88 	uint8_t major;            /* HCID Major */
     89 	uint8_t minor;            /* HCID Minor */
     90 	uint8_t revision;         /* HCID Revision */
     91 #if defined(__BIG_ENDIAN)
     92 	uint8_t reserved : 4;     /* Placeholder field */
     93 	uint8_t harvest : 4;      /* Harvest */
     94 #else
     95 	uint8_t harvest : 4;      /* Harvest */
     96 	uint8_t reserved : 4;     /* Placeholder field */
     97 #endif
     98 	uint32_t base_address[1]; /* variable number of Addresses */
     99 } ip;
    100 
    101 typedef struct die_header
    102 {
    103 	uint16_t die_id;
    104 	uint16_t num_ips;
    105 } die_header;
    106 
    107 typedef struct ip_structure
    108 {
    109 	ip_discovery_header* header;
    110 	struct die
    111 	{
    112 		die_header *die_header;
    113 		ip *ip_list;
    114 	} die;
    115 } ip_structure;
    116 
    117 struct gpu_info_header {
    118 	uint32_t table_id;      /* table ID */
    119 	uint16_t version_major; /* table version */
    120 	uint16_t version_minor; /* table version */
    121 	uint32_t size;          /* size of the entire header+data in bytes */
    122 };
    123 
    124 struct gc_info_v1_0 {
    125 	struct gpu_info_header header;
    126 
    127 	uint32_t gc_num_se;
    128 	uint32_t gc_num_wgp0_per_sa;
    129 	uint32_t gc_num_wgp1_per_sa;
    130 	uint32_t gc_num_rb_per_se;
    131 	uint32_t gc_num_gl2c;
    132 	uint32_t gc_num_gprs;
    133 	uint32_t gc_num_max_gs_thds;
    134 	uint32_t gc_gs_table_depth;
    135 	uint32_t gc_gsprim_buff_depth;
    136 	uint32_t gc_parameter_cache_depth;
    137 	uint32_t gc_double_offchip_lds_buffer;
    138 	uint32_t gc_wave_size;
    139 	uint32_t gc_max_waves_per_simd;
    140 	uint32_t gc_max_scratch_slots_per_cu;
    141 	uint32_t gc_lds_size;
    142 	uint32_t gc_num_sc_per_se;
    143 	uint32_t gc_num_sa_per_se;
    144 	uint32_t gc_num_packer_per_sc;
    145 	uint32_t gc_num_gl2a;
    146 };
    147 
    148 typedef struct harvest_info_header {
    149 	uint32_t signature; /* Table Signature */
    150 	uint32_t version;   /* Table Version */
    151 } harvest_info_header;
    152 
    153 typedef struct harvest_info {
    154 	uint16_t hw_id;          /* Hardware ID */
    155 	uint8_t number_instance; /* Instance of the IP */
    156 	uint8_t reserved;        /* Reserved for alignment */
    157 } harvest_info;
    158 
    159 typedef struct harvest_table {
    160 	harvest_info_header header;
    161 	harvest_info list[32];
    162 } harvest_table;
    163 
    164 #pragma pack()
    165 
    166 #endif
    167