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_APPNAME  "Bochs"
  13 #define ACPI_BUILD_APPNAME6 "BOCHS "
  14 #define ACPI_BUILD_APPNAME4 "BXPC"
  15
  16 #define ACPI_BUILD_TABLE_FILE "etc/acpi/tables"
  17 #define ACPI_BUILD_RSDP_FILE "etc/acpi/rsdp"
  18 #define ACPI_BUILD_TPMLOG_FILE "etc/tpm/log"
  19
  20 typedef enum {
  21     AML_NO_OPCODE = 0,/* has only data */
  22     AML_OPCODE,       /* has opcode optionally followed by data */
  23     AML_PACKAGE,      /* has opcode and uses PkgLength for its length */
  24     AML_EXT_PACKAGE,  /* Same as AML_PACKAGE but also has 'ExOpPrefix' */
  25     AML_BUFFER,       /* data encoded as 'DefBuffer' */
  26     AML_RES_TEMPLATE, /* encoded as ResourceTemplate macro */
  27 } AmlBlockFlags;
  28
  29 struct Aml {
  30     GArray *buf;
  31
  32     /*< private >*/
  33     uint8_t op;
  34     AmlBlockFlags block_flags;
  35 };
  36 typedef struct Aml Aml;
  37
  38 typedef enum {
  39     aml_decode10 = 0,
  40     aml_decode16 = 1,
  41 } AmlIODecode;
  42
  43 typedef enum {
  44     aml_any_acc = 0,
  45     aml_byte_acc = 1,
  46     aml_word_acc = 2,
  47     aml_dword_acc = 3,
  48     aml_qword_acc = 4,
  49     aml_buffer_acc = 5,
  50 } AmlAccessType;
  51
  52 typedef enum {
  53     aml_preserve = 0,
  54     aml_write_as_ones = 1,
  55     aml_write_as_zeros = 2,
  56 } AmlUpdateRule;
  57
  58 typedef enum {
  59     aml_system_memory = 0x00,
  60     aml_system_io = 0x01,
  61 } AmlRegionSpace;
  62
  63 typedef enum {
  64     aml_memory_range = 0,
  65     aml_io_range = 1,
  66     aml_bus_number_range = 2,
  67 } AmlResourceType;
  68
  69 typedef enum {
  70     aml_sub_decode = 1 << 1,
  71     aml_pos_decode = 0
  72 } AmlDecode;
  73
  74 typedef enum {
  75     aml_max_fixed = 1 << 3,
  76     aml_max_not_fixed = 0,
  77 } AmlMaxFixed;
  78
  79 typedef enum {
  80     aml_min_fixed = 1 << 2,
  81     aml_min_not_fixed = 0
  82 } AmlMinFixed;
  83
  84 /*
  85  * ACPI 1.0b: Table 6-26 I/O Resource Flag (Resource Type = 1) Definitions
  86  * _RNG field definition
  87  */
  88 typedef enum {
  89     aml_isa_only = 1,
  90     aml_non_isa_only = 2,
  91     aml_entire_range = 3,
  92 } AmlISARanges;
  93
  94 /*
  95  * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions
  96  * _MEM field definition
  97  */
  98 typedef enum {
  99     aml_non_cacheable = 0,
 100     aml_cacheable = 1,
 101     aml_write_combining = 2,
 102     aml_prefetchable = 3,
 103 } AmlCacheble;
 104
 105 /*
 106  * ACPI 1.0b: Table 6-25 Memory Resource Flag (Resource Type = 0) Definitions
 107  * _RW field definition
 108  */
 109 typedef enum {
 110     aml_ReadOnly = 0,
 111     aml_ReadWrite = 1,
 112 } AmlReadAndWrite;
 113
 114 typedef
 115 struct AcpiBuildTables {
 116     GArray *table_data;
 117     GArray *rsdp;
 118     GArray *tcpalog;
 119     GArray *linker;
 120 } AcpiBuildTables;
 121
 122 /**
 123  * init_aml_allocator:
 124  *
 125  * Called for initializing API allocator which allow to use
 126  * AML API.
 127  * Returns: toplevel container which accumulates all other
 128  * AML elements for a table.
 129  */
 130 Aml *init_aml_allocator(void);
 131
 132 /**
 133  * free_aml_allocator:
 134  *
 135  * Releases all elements used by AML API, frees associated memory
 136  * and invalidates AML allocator. After this call @init_aml_allocator
 137  * should be called again if AML API is to be used again.
 138  */
 139 void free_aml_allocator(void);
 140
 141 /**
 142  * aml_append:
 143  * @parent_ctx: context to which @child element is added
 144  * @child: element that is copied into @parent_ctx context
 145  *
 146  * Joins Aml elements together and helps to construct AML tables
 147  * Examle of usage:
 148  *   Aml *table = aml_def_block("SSDT", ...);
 149  *   Aml *sb = aml_scope("\\_SB");
 150  *   Aml *dev = aml_device("PCI0");
 151  *
 152  *   aml_append(dev, aml_name_decl("HID", aml_eisaid("PNP0A03")));
 153  *   aml_append(sb, dev);
 154  *   aml_append(table, sb);
 155  */
 156 void aml_append(Aml *parent_ctx, Aml *child);
 157
 158 /* non block AML object primitives */
 159 Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 160 Aml *aml_name_decl(const char *name, Aml *val);
 161 Aml *aml_return(Aml *val);
 162 Aml *aml_int(const uint64_t val);
 163 Aml *aml_arg(int pos);
 164 Aml *aml_store(Aml *val, Aml *target);
 165 Aml *aml_and(Aml *arg1, Aml *arg2);
 166 Aml *aml_notify(Aml *arg1, Aml *arg2);
 167 Aml *aml_call1(const char *method, Aml *arg1);
 168 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
 169 Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
 170 Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
 171 Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
 172             uint8_t aln, uint8_t len);
 173 Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
 174                           uint32_t offset, uint32_t len);
 175 Aml *aml_irq_no_flags(uint8_t irq);
 176 Aml *aml_named_field(const char *name, unsigned length);
 177 Aml *aml_reserved_field(unsigned length);
 178 Aml *aml_local(int num);
 179 Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 180 Aml *aml_equal(Aml *arg1, Aml *arg2);
 181 Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
 182                    const char *name_format, ...) GCC_FMT_ATTR(4, 5);
 183 Aml *aml_eisaid(const char *str);
 184 Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
 185                          AmlDecode dec, uint16_t addr_gran,
 186                          uint16_t addr_min, uint16_t addr_max,
 187                          uint16_t addr_trans, uint16_t len);
 188 Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
 189                  AmlDecode dec, AmlISARanges isa_ranges,
 190                  uint16_t addr_gran, uint16_t addr_min,
 191                  uint16_t addr_max, uint16_t addr_trans,
 192                  uint16_t len);
 193 Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed,
 194                       AmlMaxFixed max_fixed, AmlCacheble cacheable,
 195                       AmlReadAndWrite read_and_write,
 196                       uint32_t addr_gran, uint32_t addr_min,
 197                       uint32_t addr_max, uint32_t addr_trans,
 198                       uint32_t len);
 199 Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed,
 200                       AmlMaxFixed max_fixed, AmlCacheble cacheable,
 201                       AmlReadAndWrite read_and_write,
 202                       uint64_t addr_gran, uint64_t addr_min,
 203                       uint64_t addr_max, uint64_t addr_trans,
 204                       uint64_t len);
 205
 206 /* Block AML object primitives */
 207 Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 208 Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 209 Aml *aml_method(const char *name, int arg_count);
 210 Aml *aml_if(Aml *predicate);
 211 Aml *aml_package(uint8_t num_elements);
 212 Aml *aml_buffer(void);
 213 Aml *aml_resource_template(void);
 214 Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
 215 Aml *aml_varpackage(uint32_t num_elements);
 216
 217 void
 218 build_header(GArray *linker, GArray *table_data,
 219              AcpiTableHeader *h, const char *sig, int len, uint8_t rev);
 220 void *acpi_data_push(GArray *table_data, unsigned size);
 221 unsigned acpi_data_len(GArray *table);
 222 void acpi_add_table(GArray *table_offsets, GArray *table_data);
 223 void acpi_build_tables_init(AcpiBuildTables *tables);
 224 void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre);
 225
 226 #endif