1 | /* |
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2 | * Copyright (c) 2012, 2018 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include "tmacros.h" |
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20 | |
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21 | #include <sys/stat.h> |
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22 | #include <assert.h> |
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23 | #include <errno.h> |
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24 | #include <fcntl.h> |
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25 | #include <string.h> |
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26 | #include <unistd.h> |
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27 | |
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28 | #include <rtems/blkdev.h> |
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29 | #include <rtems/bdbuf.h> |
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30 | |
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31 | const char rtems_test_name[] = "BLOCK 12"; |
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32 | |
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33 | #define BLOCK_COUNT 15 |
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34 | |
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35 | #define DISK_PATH "/disk" |
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36 | |
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37 | static int block_access_counts [BLOCK_COUNT]; |
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38 | |
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39 | static int expected_block_access_counts [BLOCK_COUNT] = { |
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40 | 2, 0, 2, 0, 2, 0, 2, 2, 2, 0, 2, 0, 2, 0, 2 |
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41 | }; |
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42 | |
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43 | static const rtems_blkdev_bnum read_sequence [] = { |
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44 | 0, 2, 4, 6, 8, 10, 12, 14, 7 |
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45 | }; |
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46 | |
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47 | static int test_disk_ioctl(rtems_disk_device *dd, uint32_t req, void *arg) |
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48 | { |
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49 | int rv = 0; |
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50 | |
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51 | if (req == RTEMS_BLKIO_REQUEST) { |
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52 | rtems_blkdev_request *breq = arg; |
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53 | rtems_blkdev_sg_buffer *sg = breq->bufs; |
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54 | uint32_t i; |
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55 | |
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56 | rtems_test_assert(breq->req == RTEMS_BLKDEV_REQ_READ); |
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57 | |
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58 | for (i = 0; i < breq->bufnum; ++i) { |
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59 | rtems_blkdev_bnum block = sg [i].block; |
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60 | |
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61 | rtems_test_assert(block < BLOCK_COUNT); |
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62 | |
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63 | ++block_access_counts [block]; |
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64 | } |
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65 | |
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66 | rtems_blkdev_request_done(breq, RTEMS_SUCCESSFUL); |
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67 | } else { |
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68 | rv = rtems_blkdev_ioctl(dd, req, arg); |
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69 | } |
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70 | |
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71 | return rv; |
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72 | } |
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73 | |
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74 | static void do_read_sequence(rtems_disk_device *dd) |
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75 | { |
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76 | size_t i; |
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77 | |
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78 | for (i = 0; i < sizeof(read_sequence) / sizeof(read_sequence [0]); ++i) { |
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79 | rtems_status_code sc; |
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80 | rtems_bdbuf_buffer *bd; |
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81 | |
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82 | sc = rtems_bdbuf_read(dd, read_sequence [i], &bd); |
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83 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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84 | |
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85 | sc = rtems_bdbuf_release(bd); |
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86 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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87 | } |
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88 | } |
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89 | |
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90 | static void test(void) |
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91 | { |
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92 | rtems_status_code sc; |
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93 | int fd; |
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94 | int rv; |
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95 | rtems_disk_device *dd; |
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96 | |
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97 | sc = rtems_blkdev_create( |
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98 | DISK_PATH, |
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99 | 1, |
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100 | BLOCK_COUNT, |
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101 | test_disk_ioctl, |
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102 | NULL |
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103 | ); |
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104 | rtems_test_assert(sc == RTEMS_SUCCESSFUL); |
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105 | |
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106 | fd = open(DISK_PATH, O_RDWR); |
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107 | rtems_test_assert(fd >= 0); |
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108 | |
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109 | rv = rtems_disk_fd_get_disk_device(fd, &dd); |
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110 | rtems_test_assert(rv == 0); |
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111 | |
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112 | rv = close(fd); |
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113 | rtems_test_assert(rv == 0); |
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114 | |
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115 | do_read_sequence(dd); |
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116 | rtems_bdbuf_purge_dev(dd); |
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117 | do_read_sequence(dd); |
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118 | |
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119 | rtems_test_assert( |
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120 | memcmp( |
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121 | block_access_counts, |
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122 | expected_block_access_counts, |
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123 | sizeof(block_access_counts) |
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124 | ) == 0 |
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125 | ); |
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126 | |
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127 | rv = unlink(DISK_PATH); |
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128 | rtems_test_assert(rv == 0); |
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129 | } |
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130 | |
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131 | static void Init(rtems_task_argument arg) |
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132 | { |
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133 | TEST_BEGIN(); |
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134 | |
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135 | test(); |
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136 | |
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137 | TEST_END(); |
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138 | |
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139 | rtems_test_exit(0); |
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140 | } |
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141 | |
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142 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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143 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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144 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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145 | |
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146 | #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4 |
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147 | |
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148 | #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE 1 |
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149 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE 1 |
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150 | #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE BLOCK_COUNT |
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151 | |
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152 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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153 | |
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154 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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155 | |
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156 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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157 | |
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158 | #define CONFIGURE_INIT |
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159 | |
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160 | #include <rtems/confdefs.h> |
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