tests/acpi-utils.h

   1 /*
   2  * Utilities for working with ACPI tables
   3  *
   4  * Copyright (c) 2013 Red Hat Inc.
   5  *
   6  * Authors:
   7  *  Michael S. Tsirkin <mst@redhat.com>,
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #ifndef TEST_ACPI_UTILS_H
  14 #define TEST_ACPI_UTILS_H
  15
  16 #include "hw/acpi/acpi-defs.h"
  17 #include "libqtest.h"
  18
  19 /* DSDT and SSDTs format */
  20 typedef struct {
  21     union {
  22         AcpiTableHeader *header;
  23         uint8_t *aml;            /* aml bytecode from guest */
  24     };
  25     uint32_t aml_len;
  26     gchar *aml_file;
  27     gchar *asl;            /* asl code generated from aml */
  28     gsize asl_len;
  29     gchar *asl_file;
  30     bool tmp_files_retain;   /* do not delete the temp asl/aml */
  31 } AcpiSdtTable;
  32
  33 #define ACPI_ASSERT_CMP(actual, expected) do { \
  34     char ACPI_ASSERT_CMP_str[5] = {}; \
  35     memcpy(ACPI_ASSERT_CMP_str, &actual, 4); \
  36     g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
  37 } while (0)
  38
  39 #define ACPI_ASSERT_CMP64(actual, expected) do { \
  40     char ACPI_ASSERT_CMP_str[9] = {}; \
  41     memcpy(ACPI_ASSERT_CMP_str, &actual, 8); \
  42     g_assert_cmpstr(ACPI_ASSERT_CMP_str, ==, expected); \
  43 } while (0)
  44
  45
  46 #define ACPI_FOREACH_RSDT_ENTRY(table, table_len, entry_ptr, entry_size) \
  47     for (entry_ptr = table + 36 /* 1st Entry */;                         \
  48          entry_ptr < table + table_len;                                  \
  49          entry_ptr += entry_size)
  50
  51 uint8_t acpi_calc_checksum(const uint8_t *data, int len);
  52 uint32_t acpi_find_rsdp_address(QTestState *qts);
  53 uint64_t acpi_get_xsdt_address(uint8_t *rsdp_table);
  54 void acpi_parse_rsdp_table(QTestState *qts, uint32_t addr, uint8_t *rsdp_table);
  55 void acpi_fetch_table(QTestState *qts, uint8_t **aml, uint32_t *aml_len,
  56                       const uint8_t *addr_ptr, const char *sig,
  57                       bool verify_checksum);
  58
  59 #endif  /* TEST_ACPI_UTILS_H */