include/efi_selftest.h

   1 /*
   2  *  EFI application loader
   3  *
   4  *  Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
   5  *
   6  *  SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef _EFI_SELFTEST_H
  10 #define _EFI_SELFTEST_H
  11
  12 #include <common.h>
  13 #include <efi.h>
  14 #include <efi_api.h>
  15 #include <efi_loader.h>
  16 #include <linker_lists.h>
  17
  18 #define EFI_ST_SUCCESS 0
  19 #define EFI_ST_FAILURE 1
  20
  21 /*
  22  * Prints an error message.
  23  *
  24  * @... format string followed by fields to print
  25  */
  26 #define efi_st_error(...) \
  27         (efi_st_printf("%s(%u):\nERROR: ", __FILE__, __LINE__), \
  28         efi_st_printf(__VA_ARGS__)) \
  29
  30 /*
  31  * Prints a TODO message.
  32  *
  33  * @... format string followed by fields to print
  34  */
  35 #define efi_st_todo(...) \
  36         (efi_st_printf("%s(%u):\nTODO: ", __FILE__, __LINE__), \
  37         efi_st_printf(__VA_ARGS__)) \
  38
  39 /*
  40  * A test may be setup and executed at boottime,
  41  * it may be setup at boottime and executed at runtime,
  42  * or it may be setup and executed at runtime.
  43  */
  44 enum efi_test_phase {
  45         EFI_EXECUTE_BEFORE_BOOTTIME_EXIT = 1,
  46         EFI_SETUP_BEFORE_BOOTTIME_EXIT,
  47         EFI_SETUP_AFTER_BOOTTIME_EXIT,
  48 };
  49
  50 extern struct efi_simple_text_output_protocol *con_out;
  51 extern struct efi_simple_input_interface *con_in;
  52
  53 /*
  54  * Exit the boot services.
  55  *
  56  * The size of the memory map is determined.
  57  * Pool memory is allocated to copy the memory map.
  58  * The memory amp is copied and the map key is obtained.
  59  * The map key is used to exit the boot services.
  60  */
  61 void efi_st_exit_boot_services(void);
  62
  63 /*
  64  * Print a pointer to an u16 string
  65  *
  66  * @pointer: pointer
  67  * @buf: pointer to buffer address
  68  * on return position of terminating zero word
  69  */
  70 void efi_st_printf(const char *fmt, ...)
  71                  __attribute__ ((format (__printf__, 1, 2)));
  72
  73 /*
  74  * Compare memory.
  75  * We cannot use lib/string.c due to different CFLAGS values.
  76  *
  77  * @buf1:       first buffer
  78  * @buf2:       second buffer
  79  * @length:     number of bytes to compare
  80  * @return:     0 if both buffers contain the same bytes
  81  */
  82 int efi_st_memcmp(const void *buf1, const void *buf2, size_t length);
  83
  84 /*
  85  * Compare an u16 string to a char string.
  86  *
  87  * @buf1:       u16 string
  88  * @buf2:       char string
  89  * @return:     0 if both buffers contain the same bytes
  90  */
  91 int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2);
  92
  93 /*
  94  * Reads an Unicode character from the input device.
  95  *
  96  * @return: Unicode character
  97  */
  98 u16 efi_st_get_key(void);
  99
 100 /**
 101  * struct efi_unit_test - EFI unit test
 102  *
 103  * An efi_unit_test provides a interface to an EFI unit test.
 104  *
 105  * @name:       name of unit test
 106  * @phase:      specifies when setup and execute are executed
 107  * @setup:      set up the unit test
 108  * @teardown:   tear down the unit test
 109  * @execute:    execute the unit test
 110  * @on_request: test is only executed on request
 111  */
 112 struct efi_unit_test {
 113         const char *name;
 114         const enum efi_test_phase phase;
 115         int (*setup)(const efi_handle_t handle,
 116                      const struct efi_system_table *systable);
 117         int (*execute)(void);
 118         int (*teardown)(void);
 119         bool on_request;
 120 };
 121
 122 /* Declare a new EFI unit test */
 123 #define EFI_UNIT_TEST(__name)                                           \
 124         ll_entry_declare(struct efi_unit_test, __name, efi_unit_test)
 125
 126 #endif /* _EFI_SELFTEST_H */