src/include/acpi/acpi_crat.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __ACPI_CRAT_H__
   4 #define __ACPI_CRAT_H__
   5
   6 #include <stdint.h>
   7
   8 enum crat_entry_type {
   9         CRAT_HSA_PROC_UNIT_TYPE,
  10         CRAT_MEMORY_TYPE,
  11         CRAT_CACHE_TYPE,
  12         CRAT_TLB_TYPE,
  13         CRAT_FPU_TYPE,
  14         CRAT_IO_TYPE,
  15         CRAT_MAX_TYPE,
  16 };
  17
  18 #define CRAT_HSA_PR_FLAG_EN_SHFT                0
  19 #define CRAT_HSA_PR_FLAG_EN                     (0x1 << CRAT_HSA_PR_FLAG_EN_SHFT)
  20 #define CRAT_HSA_PR_FLAG_HOT_PLUG_SHFT          1
  21 #define CRAT_HSA_PR_FLAG_HOT_PLUG               (0x1 << CRAT_HSA_PR_FLAG_HOT_PLUG_SHFT)
  22 #define CRAT_HSA_PR_FLAG_CPU_PRES_SHFT          2
  23 #define CRAT_HSA_PR_FLAG_CPU_PRES               (0x1 << CRAT_HSA_PR_FLAG_CPU_PRES_SHFT)
  24 #define CRAT_HSA_PR_FLAG_GPU_PRES_SHFT          3
  25 #define CRAT_HSA_PR_FLAG_GPU_PRES               (0x1 << CRAT_HSA_PR_FLAG_GPU_PRES_SHFT)
  26 #define CRAT_HSA_PR_FLAG_CRAT_HSAMMU_SHFT       4
  27 #define CRAT_HSA_PR_FLAG_CRAT_HSAMMU            (0x1 << CRAT_HSA_PR_FLAG_CRAT_HSAMMU_SHFT)
  28 #define CRAT_HSA_PR_FLAG_VAL_LIM_SHFT           5
  29 #define CRAT_HSA_PR_FLAG_VAL_LIM                (0x7 << CRAT_HSA_PR_FLAG_VAL_LIM_SHFT)
  30 #define CRAT_HSA_PR_FLAG_ATOM_OPS_SHFT          8
  31 #define CRAT_HSA_PR_FLAG_ATOM_OPS               (0x3 << CRAT_HSA_PR_FLAG_ATOM_OPS_SHFT)
  32 #define CRAT_HSA_PR_FLAG_SMT_CAPS_SHFT          10
  33 #define CRAT_HSA_PR_FLAG_SMT_CAPS               (0x3 << CRAT_HSA_PR_FLAG_SMT_CAPS_SHFT)
  34
  35 /* CRAT HSA Processing Unit Affinity Structure */
  36 struct crat_hsa_processing_unit {
  37         uint8_t type;
  38         uint8_t length;
  39         uint16_t reserved;
  40         uint32_t flags;
  41         uint32_t proximity_node;
  42         uint32_t processor_id_low;
  43         uint16_t num_cpu_cores;
  44         uint16_t num_simd_cores;
  45         uint16_t max_waves_simd;
  46         uint16_t io_count;
  47         uint16_t hsa_capability;
  48         uint16_t lds_size_in_kb;
  49         uint8_t wave_front_size;
  50         uint8_t num_shader_banks;
  51         uint16_t uengine_identifier;
  52         uint8_t num_arrays;
  53         uint8_t num_cu_per_array;
  54         uint8_t num_simd_per_cu;
  55         uint8_t max_slots_scratch_cu;
  56         uint8_t reserved1[4];
  57 } __packed;
  58
  59 #define CRAT_L1_CACHE                   1
  60 #define CRAT_L2_CACHE                   2
  61 #define CRAT_L3_CACHE                   3
  62
  63 #define CRAT_MEM_FLAG_EN_SHFT           0
  64 #define CRAT_MEM_FLAG_EN                (0x1 << CRAT_MEM_FLAG_EN_SHFT)
  65 #define CRAT_MEM_FLAG_HOT_PLUG_SHFT     1
  66 #define CRAT_MEM_FLAG_HOT_PLUG          (0x1 << CRAT_MEM_FLAG_HOT_PLUG_SHFT)
  67 #define CRAT_MEM_FLAG_NV_SHFT           2
  68 #define CRAT_MEM_FLAG_NV                (0x1 << CRAT_MEM_FLAG_NV_SHFT)
  69 #define CRAT_MEM_FLAG_ATOM_OPS_SHFT     3
  70 #define CRAT_MEM_FLAG_ATOM_OPS          (0x3 << CRAT_MEM_FLAG_ATOM_OPS_SHFT)
  71
  72 /* CRAT Memory Affinity Structure */
  73 struct crat_memory {
  74         uint8_t type;
  75         uint8_t length;
  76         uint16_t reserved;
  77         uint32_t flags;
  78         uint32_t proximity_domain;
  79         uint32_t base_address_low;
  80         uint32_t base_address_high;
  81         uint32_t length_low;
  82         uint32_t length_high;
  83         uint32_t width;
  84         uint8_t reserved1[8];
  85 } __packed;
  86
  87 #define CRAT_CACHE_FLAG_EN_SHFT                 0
  88 #define CRAT_CACHE_FLAG_EN                      (0x1 << CRAT_CACHE_FLAG_EN_SHFT)
  89 #define CRAT_CACHE_FLAG_DATA_CACHE_SHFT         1
  90 #define CRAT_CACHE_FLAG_DATA_CACHE              (0x1 << CRAT_CACHE_FLAG_DATA_CACHE_SHFT)
  91 #define CRAT_CACHE_FLAG_INSTR_CACHE_SHFT        2
  92 #define CRAT_CACHE_FLAG_INSTR_CACHE             (0x1 << CRAT_CACHE_FLAG_INSTR_CACHE_SHFT)
  93 #define CRAT_CACHE_FLAG_CPU_CACHE_SHFT          3
  94 #define CRAT_CACHE_FLAG_CPU_CACHE               (0x1 << CRAT_CACHE_FLAG_CPU_CACHE_SHFT)
  95 #define CRAT_CACHE_FLAG_SIMD_CACHE_SHFT         4
  96 #define CRAT_CACHE_FLAG_SIMD_CACHE              (0x1 << CRAT_CACHE_FLAG_SIMD_CACHE_SHFT)
  97 #define CRAT_CACHE_FLAG_GDS_SHFT                5
  98 #define CRAT_CACHE_FLAG_GDS                     (0x1 << CRAT_CACHE_FLAG_GDS_SHFT)
  99 #define CRAT_CACHE_FLAG_ATOMIC_OPS_SHFT         6
 100 #define CRAT_CACHE_FLAG_ATOMIC_OPS              (0x1 << CRAT_CACHE_FLAG_ATOMIC_OPS_SHFT)
 101
 102 /* CRAT Cache Affinity Structure */
 103 struct crat_cache {
 104         uint8_t type;
 105         uint8_t length;
 106         uint16_t reserved;
 107         uint32_t flags;
 108         uint32_t proc_id_low;
 109         uint8_t sibling_map[32];
 110         uint32_t cache_size;
 111         uint8_t cache_level;
 112         uint8_t lines_per_tag;
 113         uint16_t cache_line_size;
 114         uint8_t associativity;
 115         uint8_t cache_properties;
 116         uint16_t cache_latency;
 117         uint8_t reserved1[8];
 118 } __packed;
 119
 120 enum tlb_type {
 121         tlb_2m,
 122         tlb_4k,
 123         tlb_1g,
 124         tlb_type_max,
 125 };
 126
 127 #define CRAT_TLB_FLAG_EN_SHFT                   0
 128 #define CRAT_TLB_FLAG_EN                        (0x1 << CRAT_TLB_FLAG_EN_SHFT)
 129 #define CRAT_TLB_FLAG_DATA_TLB_SHFT             1
 130 #define CRAT_TLB_FLAG_DATA_TLB                  (0x1 << CRAT_TLB_FLAG_DATA_TLB_SHFT)
 131 #define CRAT_TLB_FLAG_INSTR_TLB_SHFT            2
 132 #define CRAT_TLB_FLAG_INSTR_TLB                 (0x1 << CRAT_TLB_FLAG_INSTR_TLB_SHFT)
 133 #define CRAT_TLB_FLAG_CPU_TLB_SHFT              3
 134 #define CRAT_TLB_FLAG_CPU_TLB                   (0x1 << CRAT_TLB_FLAG_CPU_TLB_SHFT)
 135 #define CRAT_TLB_FLAG_SIMD_TLB_SHFT             4
 136 #define CRAT_TLB_FLAG_SIMD_TLB                  (0x1 << CRAT_TLB_FLAG_SIMD_TLB_SHFT)
 137 #define CRAT_TLB_FLAG_4K_BASE_256_SHFT          5
 138 #define CRAT_TLB_FLAG_4K_BASE_256               (0x1 << CRAT_TLB_FLAG_4K_BASE_256_SHFT)
 139 #define CRAT_TLB_FLAG_2MB_BASE_256_SHFT         7
 140 #define CRAT_TLB_FLAG_2MB_BASE_256              (0x1 << CRAT_TLB_FLAG_2MB_BASE_256_SHFT)
 141 #define CRAT_TLB_FLAG_1GB_BASE_256_SHFT         9
 142 #define CRAT_TLB_FLAG_1GB_BASE_256              (0x1 << CRAT_TLB_FLAG_1GB_BASE_256_SHFT)
 143
 144 /* CRAT TLB Affinity Structure */
 145 struct crat_tlb {
 146         uint8_t type;
 147         uint8_t length;
 148         uint16_t reserved;
 149         uint32_t flags;
 150         uint32_t proc_id_low;
 151         uint8_t sibling_map[32];
 152         uint32_t tlb_level;
 153         uint8_t data_tlb_2mb_assoc;
 154         uint8_t data_tlb_2mb_size;
 155         uint8_t instr_tlb_2mb_assoc;
 156         uint8_t instr_tlb_2mb_size;
 157         uint8_t data_tlb_4k_assoc;
 158         uint8_t data_tlb_4k_size;
 159         uint8_t instr_tlb_4k_assoc;
 160         uint8_t instr_tlb_4k_size;
 161         uint8_t data_tlb_1g_assoc;
 162         uint8_t data_tlb_1g_size;
 163         uint8_t instr_tlb_1g_assoc;
 164         uint8_t instr_tlb_1g_size;
 165         uint8_t reserved1[4];
 166 } __packed;
 167
 168 #define CRAT_FPU_FLAG_EN_SHFT           0
 169 #define CRAT_FPU_FLAG_EN                (0x1 << CRAT_TLB_FLAG_EN_SHFT)
 170
 171 /* CRAT FPU Affinity Structure */
 172 struct crat_fpu {
 173         uint8_t type;
 174         uint8_t length;
 175         uint16_t reserved;
 176         uint32_t flags;
 177         uint32_t proc_id_low;
 178         uint8_t sibling_map[32];
 179         uint32_t fpu_size;
 180         uint8_t reserved1[16];
 181 } __packed;
 182
 183 #define CRAT_IO_FLAG_EN_SHFT            0
 184 #define CRAT_IO_FLAG_EN                 (0x1 << CRAT_IO_FLAG_EN_SHFT)
 185 #define CRAT_IO_FLAG_COHER_SHFT         1
 186 #define CRAT_IO_FLAG_COHER              (0x1 << CRAT_IO_FLAG_COHER_SHFT)
 187
 188 /* CRAT IO Affinity Structure */
 189 struct crat_io {
 190         uint8_t type;
 191         uint8_t length;
 192         uint16_t reserved;
 193         uint32_t flags;
 194         uint32_t proximity_domain_from;
 195         uint32_t proximity_domain_to;
 196         uint8_t io_type;
 197         uint8_t version_major;
 198         uint16_t version_minor;
 199         uint32_t minimum_latency;
 200         uint32_t maximum_latency;
 201         uint32_t minimum_bandwidth;
 202         uint32_t maximum_bandwidth;
 203         uint32_t recommended_transfer_size;
 204         uint8_t reserved1[24];
 205 } __packed;
 206
 207 #endif /* __ACPI_CRAT_H__ */