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__ */