include/hw/acpi/aml-build.h

   1 #ifndef HW_ACPI_GEN_UTILS_H
   2 #define HW_ACPI_GEN_UTILS_H
   3
   4 #include <stdint.h>
   5 #include <glib.h>
   6 #include "qemu/compiler.h"
   7 #include "hw/acpi/acpi-defs.h"
   8
   9 /* Reserve RAM space for tables: add another order of magnitude. */
  10 #define ACPI_BUILD_TABLE_MAX_SIZE         0x200000
  11
  12 #define ACPI_BUILD_APPNAME6 "BOCHS "
  13 #define ACPI_BUILD_APPNAME4 "BXPC"
  14
  15 #define ACPI_BUILD_TABLE_FILE "etc/acpi/tables"
  16 #define ACPI_BUILD_RSDP_FILE "etc/acpi/rsdp"
  17 #define ACPI_BUILD_TPMLOG_FILE "etc/tpm/log"
  18
  19 typedef enum {
  20     AML_NO_OPCODE = 0,/* has only data */
  21     AML_OPCODE,       /* has opcode optionally followed by data */
  22     AML_PACKAGE,      /* has opcode and uses PkgLength for its length */
  23     AML_EXT_PACKAGE,  /* Same as AML_PACKAGE but also has 'ExOpPrefix' */
  24     AML_BUFFER,       /* data encoded as 'DefBuffer' */
  25     AML_RES_TEMPLATE, /* encoded as ResourceTemplate macro */
  26 } AmlBlockFlags;
  27
  28 struct Aml {
  29     GArray *buf;
  30
  31     /*< private >*/
  32     uint8_t op;
  33     AmlBlockFlags block_flags;
  34 };
  35 typedef struct Aml Aml;
  36
  37 typedef enum {
  38     AML_DECODE10 = 0,
  39     AML_DECODE16 = 1,
  40 } AmlIODecode;
  41
  42 typedef enum {
  43     AML_ANY_ACC = 0,
  44     AML_BYTE_ACC = 1,
  45     AML_WORD_ACC = 2,
  46     AML_DWORD_ACC = 3,
  47     AML_QWORD_ACC = 4,
  48     AML_BUFFER_ACC = 5,
  49 } AmlAccessType;
  50
  51 typedef enum {
  52     AML_PRESERVE = 0,
  53     AML_WRITE_AS_ONES = 1,
  54     AML_WRITE_AS_ZEROS = 2,
  55 } AmlUpdateRule;
  56
  57 typedef enum {
  58     AML_SYSTEM_MEMORY = 0X00,
  59     AML_SYSTEM_IO = 0X01,
  60 } AmlRegionSpace;
  61
  62 typedef enum {
  63     AML_MEMORY_RANGE = 0,
  64     AML_IO_RANGE = 1,
  65     AML_BUS_NUMBER_RANGE = 2,
  66 } AmlResourceType;
  67
  68 typedef enum {
  69     AML_SUB_DECODE = 1 << 1,
  70     AML_POS_DECODE = 0
  71 } AmlDecode;
  72
  73 typedef enum {
  74     AML_MAX_FIXED = 1 << 3,
  75     AML_MAX_NOT_FIXED = 0,
  76 } AmlMaxFixed;
  77
  78 typedef enum {
  79     AML_MIN_FIXED = 1 << 2,
  80     AML_MIN_NOT_FIXED = 0
  81 } AmlMinFixed;
  82
  83 /*
  84  * ACPI 1.0b: Table 6-26 I/O Resource Flag (Resource Type = 1) Definitions
  85  * _RNG field definition
  86  */
  87 typedef enum {
  88     AML_ISA_ONLY = 1,
  89     AML_NON_ISA_ONLY = 2,
  90     AML_ENTIRE_RANGE = 3,
  91 } AmlISARanges;
  92
  93 /*
  94  * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions
  95  * _MEM field definition
  96  */
  97 typedef enum {
  98     AML_NON_CACHEABLE = 0,
  99     AML_CACHEABLE = 1,
 100     AML_WRITE_COMBINING = 2,
 101     AML_PREFETCHABLE = 3,
 102 } AmlCacheable;
 103
 104 /*
 105  * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions
 106  * _RW field definition
 107  */
 108 typedef enum {
 109     AML_READ_ONLY = 0,
 110     AML_READ_WRITE = 1,
 111 } AmlReadAndWrite;
 112
 113 /*
 114  * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
 115  * Interrupt Vector Flags Bits[0] Consumer/Producer
 116  */
 117 typedef enum {
 118     AML_CONSUMER_PRODUCER = 0,
 119     AML_CONSUMER = 1,
 120 } AmlConsumerAndProducer;
 121
 122 /*
 123  * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
 124  * _HE field definition
 125  */
 126 typedef enum {
 127     AML_LEVEL = 0,
 128     AML_EDGE = 1,
 129 } AmlLevelAndEdge;
 130
 131 /*
 132  * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
 133  * _LL field definition
 134  */
 135 typedef enum {
 136     AML_ACTIVE_HIGH = 0,
 137     AML_ACTIVE_LOW = 1,
 138 } AmlActiveHighAndLow;
 139
 140 /*
 141  * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition
 142  * _SHR field definition
 143  */
 144 typedef enum {
 145     AML_EXCLUSIVE = 0,
 146     AML_SHARED = 1,
 147     AML_EXCLUSIVE_AND_WAKE = 2,
 148     AML_SHARED_AND_WAKE = 3,
 149 } AmlShared;
 150
 151 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: MethodFlags */
 152 typedef enum {
 153     AML_NOTSERIALIZED = 0,
 154     AML_SERIALIZED = 1,
 155 } AmlSerializeFlag;
 156
 157 /*
 158  * ACPI 5.0: Table 6-189 GPIO Connection Descriptor Definition
 159  * GPIO Connection Type
 160  */
 161 typedef enum {
 162     AML_INTERRUPT_CONNECTION = 0,
 163     AML_IO_CONNECTION = 1,
 164 } AmlGpioConnectionType;
 165
 166 /*
 167  * ACPI 5.0: Table 6-189 GPIO Connection Descriptor Definition
 168  * _PPI field definition
 169  */
 170 typedef enum {
 171     AML_PULL_DEFAULT = 0,
 172     AML_PULL_UP = 1,
 173     AML_PULL_DOWN = 2,
 174     AML_PULL_NONE = 3,
 175 } AmlPinConfig;
 176
 177 typedef
 178 struct AcpiBuildTables {
 179     GArray *table_data;
 180     GArray *rsdp;
 181     GArray *tcpalog;
 182     GArray *linker;
 183 } AcpiBuildTables;
 184
 185 /**
 186  * init_aml_allocator:
 187  *
 188  * Called for initializing API allocator which allow to use
 189  * AML API.
 190  * Returns: toplevel container which accumulates all other
 191  * AML elements for a table.
 192  */
 193 Aml *init_aml_allocator(void);
 194
 195 /**
 196  * free_aml_allocator:
 197  *
 198  * Releases all elements used by AML API, frees associated memory
 199  * and invalidates AML allocator. After this call @init_aml_allocator
 200  * should be called again if AML API is to be used again.
 201  */
 202 void free_aml_allocator(void);
 203
 204 /**
 205  * aml_append:
 206  * @parent_ctx: context to which @child element is added
 207  * @child: element that is copied into @parent_ctx context
 208  *
 209  * Joins Aml elements together and helps to construct AML tables
 210  * Examle of usage:
 211  *   Aml *table = aml_def_block("SSDT", ...);
 212  *   Aml *sb = aml_scope("\\_SB");
 213  *   Aml *dev = aml_device("PCI0");
 214  *
 215  *   aml_append(dev, aml_name_decl("HID", aml_eisaid("PNP0A03")));
 216  *   aml_append(sb, dev);
 217  *   aml_append(table, sb);
 218  */
 219 void aml_append(Aml *parent_ctx, Aml *child);
 220
 221 /* non block AML object primitives */
 222 Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 223 Aml *aml_name_decl(const char *name, Aml *val);
 224 Aml *aml_return(Aml *val);
 225 Aml *aml_int(const uint64_t val);
 226 Aml *aml_arg(int pos);
 227 Aml *aml_store(Aml *val, Aml *target);
 228 Aml *aml_and(Aml *arg1, Aml *arg2);
 229 Aml *aml_or(Aml *arg1, Aml *arg2);
 230 Aml *aml_shiftleft(Aml *arg1, Aml *count);
 231 Aml *aml_shiftright(Aml *arg1, Aml *count);
 232 Aml *aml_lless(Aml *arg1, Aml *arg2);
 233 Aml *aml_add(Aml *arg1, Aml *arg2);
 234 Aml *aml_increment(Aml *arg);
 235 Aml *aml_index(Aml *arg1, Aml *idx);
 236 Aml *aml_notify(Aml *arg1, Aml *arg2);
 237 Aml *aml_call1(const char *method, Aml *arg1);
 238 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
 239 Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
 240 Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
 241 Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
 242                   AmlLevelAndEdge edge_level,
 243                   AmlActiveHighAndLow active_level, AmlShared shared,
 244                   AmlPinConfig pin_config, uint16_t debounce_timeout,
 245                   const uint32_t pin_list[], uint32_t pin_count,
 246                   const char *resource_source_name,
 247                   const uint8_t *vendor_data, uint16_t vendor_data_len);
 248 Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
 249                         AmlReadAndWrite read_and_write);
 250 Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro,
 251                    AmlLevelAndEdge level_and_edge,
 252                    AmlActiveHighAndLow high_and_low, AmlShared shared,
 253                    uint32_t *irq_list, uint8_t irq_count);
 254 Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
 255             uint8_t aln, uint8_t len);
 256 Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
 257                           uint32_t offset, uint32_t len);
 258 Aml *aml_irq_no_flags(uint8_t irq);
 259 Aml *aml_named_field(const char *name, unsigned length);
 260 Aml *aml_reserved_field(unsigned length);
 261 Aml *aml_local(int num);
 262 Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 263 Aml *aml_lnot(Aml *arg);
 264 Aml *aml_equal(Aml *arg1, Aml *arg2);
 265 Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
 266                    const char *name_format, ...) GCC_FMT_ATTR(4, 5);
 267 Aml *aml_eisaid(const char *str);
 268 Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
 269                          AmlDecode dec, uint16_t addr_gran,
 270                          uint16_t addr_min, uint16_t addr_max,
 271                          uint16_t addr_trans, uint16_t len);
 272 Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
 273                  AmlDecode dec, AmlISARanges isa_ranges,
 274                  uint16_t addr_gran, uint16_t addr_min,
 275                  uint16_t addr_max, uint16_t addr_trans,
 276                  uint16_t len);
 277 Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
 278                  AmlDecode dec, AmlISARanges isa_ranges,
 279                  uint32_t addr_gran, uint32_t addr_min,
 280                  uint32_t addr_max, uint32_t addr_trans,
 281                  uint32_t len);
 282 Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed,
 283                       AmlMaxFixed max_fixed, AmlCacheable cacheable,
 284                       AmlReadAndWrite read_and_write,
 285                       uint32_t addr_gran, uint32_t addr_min,
 286                       uint32_t addr_max, uint32_t addr_trans,
 287                       uint32_t len);
 288 Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed,
 289                       AmlMaxFixed max_fixed, AmlCacheable cacheable,
 290                       AmlReadAndWrite read_and_write,
 291                       uint64_t addr_gran, uint64_t addr_min,
 292                       uint64_t addr_max, uint64_t addr_trans,
 293                       uint64_t len);
 294
 295 /* Block AML object primitives */
 296 Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 297 Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 298 Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag);
 299 Aml *aml_if(Aml *predicate);
 300 Aml *aml_else(void);
 301 Aml *aml_while(Aml *predicate);
 302 Aml *aml_package(uint8_t num_elements);
 303 Aml *aml_buffer(int buffer_size, uint8_t *byte_list);
 304 Aml *aml_resource_template(void);
 305 Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
 306 Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
 307 Aml *aml_varpackage(uint32_t num_elements);
 308 Aml *aml_touuid(const char *uuid);
 309 Aml *aml_unicode(const char *str);
 310
 311 void
 312 build_header(GArray *linker, GArray *table_data,
 313              AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
 314              const char *oem_table_id);
 315 void *acpi_data_push(GArray *table_data, unsigned size);
 316 unsigned acpi_data_len(GArray *table);
 317 void acpi_add_table(GArray *table_offsets, GArray *table_data);
 318 void acpi_build_tables_init(AcpiBuildTables *tables);
 319 void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre);
 320 void
 321 build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets);
 322
 323 #endif