[64734fc] | 1 | /** |
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| 2 | * @file |
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| 3 | * |
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| 4 | * @ingroup test_bdbuf |
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| 5 | * |
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| 6 | * @brief Bdbuf test for disk driver error handling.. |
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| 7 | */ |
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| 8 | |
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| 9 | /* |
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[796967c] | 10 | * Copyright (c) 2009-2012 embedded brains GmbH. All rights reserved. |
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| 11 | * |
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| 12 | * embedded brains GmbH |
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| 13 | * Obere Lagerstr. 30 |
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| 14 | * 82178 Puchheim |
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| 15 | * Germany |
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| 16 | * <rtems@embedded-brains.de> |
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[64734fc] | 17 | * |
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| 18 | * The license and distribution terms for this file may be |
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| 19 | * found in the file LICENSE in this distribution or at |
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[c499856] | 20 | * http://www.rtems.org/license/LICENSE. |
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[64734fc] | 21 | */ |
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| 22 | |
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[7d3f9c6] | 23 | #ifdef HAVE_CONFIG_H |
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| 24 | #include "config.h" |
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| 25 | #endif |
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| 26 | |
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[24d0ee57] | 27 | #include "tmacros.h" |
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| 28 | |
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[64734fc] | 29 | #include <assert.h> |
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| 30 | #include <errno.h> |
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[4cf41fd] | 31 | #include <stdlib.h> |
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[64734fc] | 32 | |
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| 33 | #include <rtems.h> |
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| 34 | #include <rtems/bdbuf.h> |
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| 35 | #include <rtems/diskdevs.h> |
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[f8b2eb03] | 36 | #include <rtems/test.h> |
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[64734fc] | 37 | |
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[dc0eed7] | 38 | #include <bsp.h> |
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| 39 | |
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[f8b2eb03] | 40 | const char rtems_test_name[] = "BLOCK 9"; |
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| 41 | |
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[4c86e3d] | 42 | /* forward declarations to avoid warnings */ |
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| 43 | static rtems_task Init(rtems_task_argument argument); |
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| 44 | |
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[64734fc] | 45 | #define ASSERT_SC(sc) assert((sc) == RTEMS_SUCCESSFUL) |
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| 46 | |
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| 47 | #define BLOCK_SIZE sizeof(char) |
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| 48 | |
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| 49 | #define BLOCK_COUNT 4 |
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| 50 | |
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| 51 | #define BLOCK_READ_IO_ERROR 0 |
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| 52 | #define BLOCK_READ_UNSATISFIED 1 |
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| 53 | #define BLOCK_READ_SUCCESSFUL 2 |
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| 54 | #define BLOCK_WRITE_IO_ERROR 3 |
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| 55 | |
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| 56 | static char disk_data [BLOCK_COUNT]; |
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| 57 | |
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| 58 | static const rtems_driver_address_table disk_ops = { |
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| 59 | .initialization_entry = NULL, |
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| 60 | RTEMS_GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES |
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| 61 | }; |
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| 62 | |
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| 63 | static int disk_ioctl(rtems_disk_device *dd, uint32_t req, void *arg) |
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| 64 | { |
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| 65 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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| 66 | |
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| 67 | if (req == RTEMS_BLKIO_REQUEST) { |
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| 68 | rtems_blkdev_request *r = arg; |
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| 69 | uint32_t i = 0; |
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| 70 | |
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| 71 | for (i = 0; i < r->bufnum; ++i) { |
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| 72 | rtems_blkdev_sg_buffer *sg = &r->bufs [i]; |
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| 73 | char *buf = sg->buffer; |
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| 74 | |
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[9f0a68c] | 75 | if (sg->length == 1) { |
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| 76 | switch (r->req) { |
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| 77 | case RTEMS_BLKDEV_REQ_READ: |
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| 78 | switch (sg->block) { |
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| 79 | case BLOCK_READ_IO_ERROR: |
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| 80 | sc = RTEMS_IO_ERROR; |
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| 81 | break; |
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| 82 | case BLOCK_READ_UNSATISFIED: |
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| 83 | sc = RTEMS_UNSATISFIED; |
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| 84 | break; |
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| 85 | case BLOCK_READ_SUCCESSFUL: |
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| 86 | case BLOCK_WRITE_IO_ERROR: |
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| 87 | *buf = disk_data [sg->block]; |
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| 88 | break; |
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| 89 | default: |
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| 90 | sc = RTEMS_IO_ERROR; |
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| 91 | break; |
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| 92 | } |
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| 93 | break; |
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| 94 | case RTEMS_BLKDEV_REQ_WRITE: |
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| 95 | switch (sg->block) { |
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| 96 | case BLOCK_READ_IO_ERROR: |
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| 97 | case BLOCK_READ_UNSATISFIED: |
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| 98 | case BLOCK_READ_SUCCESSFUL: |
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| 99 | disk_data [sg->block] = *buf; |
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| 100 | break; |
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| 101 | case BLOCK_WRITE_IO_ERROR: |
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| 102 | sc = RTEMS_IO_ERROR; |
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| 103 | break; |
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| 104 | default: |
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| 105 | sc = RTEMS_IO_ERROR; |
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| 106 | break; |
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| 107 | } |
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| 108 | break; |
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| 109 | default: |
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| 110 | sc = RTEMS_IO_ERROR; |
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| 111 | break; |
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| 112 | } |
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| 113 | } else { |
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| 114 | sc = RTEMS_IO_ERROR; |
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[64734fc] | 115 | } |
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| 116 | } |
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| 117 | |
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[9f0a68c] | 118 | rtems_blkdev_request_done(r, sc); |
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[64734fc] | 119 | |
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| 120 | return 0; |
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| 121 | } else { |
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| 122 | return rtems_blkdev_ioctl(dd, req, arg); |
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| 123 | } |
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| 124 | } |
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| 125 | |
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[796967c] | 126 | static rtems_status_code disk_register( |
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[64734fc] | 127 | uint32_t block_size, |
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| 128 | rtems_blkdev_bnum block_count, |
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| 129 | dev_t *dev_ptr |
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| 130 | ) |
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| 131 | { |
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| 132 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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| 133 | rtems_device_major_number major = 0; |
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| 134 | dev_t dev = 0; |
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| 135 | |
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| 136 | sc = rtems_io_register_driver(0, &disk_ops, &major); |
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| 137 | ASSERT_SC(sc); |
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| 138 | |
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| 139 | dev = rtems_filesystem_make_dev_t(major, 0); |
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| 140 | |
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| 141 | sc = rtems_disk_create_phys( |
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| 142 | dev, |
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| 143 | block_size, |
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| 144 | block_count, |
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| 145 | disk_ioctl, |
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| 146 | NULL, |
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| 147 | NULL |
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| 148 | ); |
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| 149 | ASSERT_SC(sc); |
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| 150 | |
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| 151 | *dev_ptr = dev; |
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| 152 | |
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| 153 | return RTEMS_SUCCESSFUL; |
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| 154 | } |
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| 155 | |
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| 156 | static void check_read( |
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[40284de] | 157 | rtems_disk_device *dd, |
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[64734fc] | 158 | rtems_blkdev_bnum block, |
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| 159 | rtems_status_code expected_sc |
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| 160 | ) |
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| 161 | { |
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| 162 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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| 163 | rtems_bdbuf_buffer *bd = NULL; |
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| 164 | |
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[796967c] | 165 | sc = rtems_bdbuf_read(dd, block, &bd); |
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[64734fc] | 166 | assert(sc == expected_sc); |
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| 167 | |
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| 168 | if (sc == RTEMS_SUCCESSFUL) { |
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| 169 | sc = rtems_bdbuf_release(bd); |
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| 170 | ASSERT_SC(sc); |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | static rtems_task Init(rtems_task_argument argument) |
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| 175 | { |
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| 176 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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| 177 | rtems_bdbuf_buffer *bd = NULL; |
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| 178 | dev_t dev = 0; |
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[796967c] | 179 | rtems_disk_device *dd = NULL; |
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[64734fc] | 180 | |
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[24d0ee57] | 181 | TEST_BEGIN(); |
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[64734fc] | 182 | |
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| 183 | sc = rtems_disk_io_initialize(); |
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| 184 | ASSERT_SC(sc); |
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| 185 | |
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| 186 | sc = disk_register(BLOCK_SIZE, BLOCK_COUNT, &dev); |
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| 187 | ASSERT_SC(sc); |
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| 188 | |
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[796967c] | 189 | dd = rtems_disk_obtain(dev); |
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| 190 | assert(dd != NULL); |
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| 191 | |
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| 192 | check_read(dd, BLOCK_READ_IO_ERROR, RTEMS_IO_ERROR); |
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| 193 | check_read(dd, BLOCK_READ_UNSATISFIED, RTEMS_UNSATISFIED); |
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| 194 | check_read(dd, BLOCK_READ_SUCCESSFUL, RTEMS_SUCCESSFUL); |
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| 195 | check_read(dd, BLOCK_WRITE_IO_ERROR, RTEMS_SUCCESSFUL); |
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[64734fc] | 196 | |
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| 197 | /* Check write IO error */ |
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| 198 | |
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[796967c] | 199 | sc = rtems_bdbuf_read(dd, BLOCK_WRITE_IO_ERROR, &bd); |
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[64734fc] | 200 | ASSERT_SC(sc); |
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| 201 | |
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| 202 | bd->buffer [0] = 1; |
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| 203 | |
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| 204 | sc = rtems_bdbuf_sync(bd); |
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| 205 | ASSERT_SC(sc); |
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| 206 | |
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[796967c] | 207 | sc = rtems_bdbuf_read(dd, BLOCK_WRITE_IO_ERROR, &bd); |
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[64734fc] | 208 | ASSERT_SC(sc); |
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| 209 | |
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| 210 | assert(bd->buffer [0] == 0); |
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| 211 | |
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| 212 | sc = rtems_bdbuf_release(bd); |
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| 213 | ASSERT_SC(sc); |
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| 214 | |
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| 215 | /* Check write to deleted disk */ |
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| 216 | |
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[796967c] | 217 | sc = rtems_bdbuf_read(dd, BLOCK_READ_SUCCESSFUL, &bd); |
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[64734fc] | 218 | ASSERT_SC(sc); |
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| 219 | |
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| 220 | sc = rtems_disk_delete(dev); |
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| 221 | ASSERT_SC(sc); |
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| 222 | |
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| 223 | sc = rtems_bdbuf_sync(bd); |
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| 224 | ASSERT_SC(sc); |
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| 225 | |
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[796967c] | 226 | sc = rtems_disk_release(dd); |
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| 227 | ASSERT_SC(sc); |
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| 228 | |
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[24d0ee57] | 229 | TEST_END(); |
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[64734fc] | 230 | |
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| 231 | exit(0); |
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| 232 | } |
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| 233 | |
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| 234 | #define CONFIGURE_INIT |
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| 235 | |
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| 236 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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[c4b8b147] | 237 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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[64734fc] | 238 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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| 239 | |
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[b6911069] | 240 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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[64734fc] | 241 | #define CONFIGURE_MAXIMUM_DRIVERS 4 |
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| 242 | |
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[f8b2eb03] | 243 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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| 244 | |
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[64734fc] | 245 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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| 246 | |
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| 247 | #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE |
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| 248 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE |
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| 249 | #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE (BLOCK_SIZE * BLOCK_COUNT) |
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| 250 | |
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| 251 | #include <rtems/confdefs.h> |
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