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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /**
  * @file
  *
  * @ingroup tests
  *
  * @brief Block device tests.
  */
 
 /*
  * Copyright (c) 2012 embedded brains GmbH & Co. KG
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "tmacros.h"
 
 #include <sys/stat.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <rtems.h>
 #include <rtems/ramdisk.h>
 #include <rtems/diskdevs.h>
 #include <rtems/malloc.h>
 
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 
 const char rtems_test_name[] = "BLOCK 11";
 
 #define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL)
 
 #define CHUNK_MAX 32U
 
 #define AREA_SIZE ((CHUNK_MAX * (CHUNK_MAX + 1U)) / 2U)
 
 #define BLOCK_SIZE 4U
 
 #define BLOCK_COUNT (AREA_SIZE / BLOCK_SIZE)
 
 static const char rda [] = "/dev/rda";
 
 static const char rda1 [] = "/dev/rda1";
 
 static const char dev_invalid [] = "/dev/invalid";
 
 static const char not_exist [] = "not_exist";
 
 static const char not_blkdev [] = "not_blkdev";
 
 static const char invalid_blkdev [] = "invalid_blkdev";
 
 static long area_a [AREA_SIZE / sizeof(long)];
 
 static long area_b [AREA_SIZE / sizeof(long)];
 
 static rtems_status_code invalid_initialize(
   rtems_device_major_number major,
   rtems_device_minor_number minor,
   void *arg
 )
 {
   rtems_status_code sc;
 
   sc = rtems_io_register_name(&dev_invalid[0], major, 0);
   ASSERT_SC(sc);
 
   return sc;
 }
 
 static rtems_status_code invalid_control(
   rtems_device_major_number major,
   rtems_device_minor_number minor,
   void *arg
 )
 {
   return RTEMS_INVALID_NUMBER;
 }
 
 static void area_init(long *area)
 {
   size_t i;
   size_t n = AREA_SIZE / sizeof(long);
 
   for (i = 0; i < n; ++i) {
     area [i] = mrand48();
   }
 }
 
 static void area_read(int fd, long *area)
 {
   size_t i;
   size_t n = CHUNK_MAX;
   char *dst = (char *) area;
 
   for (i = 0; i <= n; ++i) {
     ssize_t m = read(fd, dst, i);
     rtems_test_assert(m == (ssize_t) i);
     dst += i;
   }
 }
 
 static void area_write(int fd, const long *area)
 {
   size_t i;
   size_t n = CHUNK_MAX;
   const char *src = (const char *) area;
 
   for (i = 0; i <= n; ++i) {
     ssize_t m = write(fd, src, i);
     rtems_test_assert(m == (ssize_t) i);
     src += i;
   }
 }
 
 static void area_compare(const long *area_a, const long *area_b, bool equal)
 {
   bool actual_equal = memcmp(area_a, area_b, AREA_SIZE) == 0;
   rtems_test_assert(actual_equal == equal);
 }
 
 static void test_blkdev_imfs_read_and_write(void)
 {
   rtems_status_code sc;
   int rv;
   ramdisk *rd;
   int fd;
   off_t off;
 
   rd = ramdisk_allocate(area_a, BLOCK_SIZE, BLOCK_COUNT, false);
   rtems_test_assert(rd != NULL);
 
   ramdisk_enable_free_at_delete_request(rd);
 
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   ASSERT_SC(sc);
 
   fd = open(rda, O_RDWR);
   rtems_test_assert(fd >= 0);
 
   area_init(area_a);
   area_read(fd, area_b);
   area_compare(area_a, area_b, true);
 
   off = lseek(fd, 0, SEEK_SET);
   rtems_test_assert(off == 0);
 
   area_init(area_b);
   area_write(fd, area_b);
   area_compare(area_a, area_b, false);
 
   rv = close(fd);
   rtems_test_assert(rv == 0);
 
   rv = unlink(rda);
   rtems_test_assert(rv == 0);
 
   area_compare(area_a, area_b, true);
 }
 
 static void test_blkdev_imfs_parameters(void)
 {
   rtems_status_code sc;
   int rv;
   ramdisk *rd;
   int fd;
   rtems_disk_device *dd;
   struct stat st;
 
   rd = ramdisk_allocate(NULL, BLOCK_SIZE, BLOCK_COUNT, false);
   rtems_test_assert(rd != NULL);
 
   ramdisk_enable_free_at_delete_request(rd);
 
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   ASSERT_SC(sc);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     1,
     BLOCK_COUNT - 1
   );
   ASSERT_SC(sc);
 
   fd = open(rda, O_RDWR);
   rtems_test_assert(fd >= 0);
 
   rv = fstat(fd, &st);
   rtems_test_assert(rv == 0);
 
   rv = rtems_disk_fd_get_disk_device(fd, &dd);
   rtems_test_assert(rv == 0);
 
   rtems_test_assert(rtems_disk_get_driver_data(dd) == rd);
   rtems_test_assert(rtems_disk_get_device_identifier(dd) == st.st_rdev);
   rtems_test_assert(rtems_disk_get_media_block_size(dd) == BLOCK_SIZE);
   rtems_test_assert(rtems_disk_get_block_size(dd) == BLOCK_SIZE);
   rtems_test_assert(rtems_disk_get_block_begin(dd) == 0);
   rtems_test_assert(rtems_disk_get_block_count(dd) == BLOCK_COUNT);
 
   rv = close(fd);
   rtems_test_assert(rv == 0);
 
   fd = open(rda1, O_RDWR);
   rtems_test_assert(fd >= 0);
 
   rv = fstat(fd, &st);
   rtems_test_assert(rv == 0);
 
   rv = rtems_disk_fd_get_disk_device(fd, &dd);
   rtems_test_assert(rv == 0);
 
   rtems_test_assert(rtems_disk_get_driver_data(dd) == rd);
   rtems_test_assert(rtems_disk_get_device_identifier(dd) == st.st_rdev);
   rtems_test_assert(rtems_disk_get_media_block_size(dd) == BLOCK_SIZE);
   rtems_test_assert(rtems_disk_get_block_size(dd) == BLOCK_SIZE);
   rtems_test_assert(rtems_disk_get_block_begin(dd) == 1);
   rtems_test_assert(rtems_disk_get_block_count(dd) == BLOCK_COUNT - 1);
 
   rv = close(fd);
   rtems_test_assert(rv == 0);
 
   rv = unlink(rda1);
   rtems_test_assert(rv == 0);
 
   rv = unlink(rda);
   rtems_test_assert(rv == 0);
 }
 
 static void test_blkdev_imfs_errors(void)
 {
   static uintptr_t disk_size [] = { sizeof(rtems_disk_device) + sizeof(int) };
 
   rtems_status_code sc;
   int rv;
   ramdisk *rd;
   void *opaque;
   struct stat st;
 
   rd = ramdisk_allocate(NULL, BLOCK_SIZE, BLOCK_COUNT, false);
   rtems_test_assert(rd != NULL);
 
   ramdisk_enable_free_at_delete_request(rd);
 
   sc = rtems_blkdev_create(
     rda,
     0,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
 
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     0,
     ramdisk_ioctl,
     rd
   );
   rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
 
   opaque = rtems_heap_greedy_allocate(NULL, 0);
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   rtems_test_assert(sc == RTEMS_NO_MEMORY);
   rtems_heap_greedy_free(opaque);
 
   opaque = rtems_heap_greedy_allocate(disk_size, 1);
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   rtems_test_assert(sc == RTEMS_UNSATISFIED);
   rtems_heap_greedy_free(opaque);
 
   sc = rtems_blkdev_create(
     rda,
     BLOCK_SIZE,
     BLOCK_COUNT,
     ramdisk_ioctl,
     rd
   );
   ASSERT_SC(sc);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     not_exist,
     0,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_INVALID_ID);
 
   rv = lstat(&dev_invalid[0], &st);
   rtems_test_assert(rv == 0);
 
   rv = mknod(not_blkdev, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, st.st_rdev);
   rtems_test_assert(rv == 0);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     not_blkdev,
     0,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_INVALID_NODE);
 
   rv = mknod(invalid_blkdev, S_IFBLK | S_IRWXU | S_IRWXG | S_IRWXO, st.st_rdev);
   rtems_test_assert(rv == 0);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     invalid_blkdev,
     0,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_NOT_IMPLEMENTED);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     0,
     0
   );
   rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     BLOCK_COUNT,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
 
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     0,
     BLOCK_COUNT + 1
   );
   rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
 
   opaque = rtems_heap_greedy_allocate(NULL, 0);
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     0,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_NO_MEMORY);
   rtems_heap_greedy_free(opaque);
 
   opaque = rtems_heap_greedy_allocate(disk_size, 1);
   sc = rtems_blkdev_create_partition(
     rda1,
     rda,
     0,
     BLOCK_COUNT
   );
   rtems_test_assert(sc == RTEMS_UNSATISFIED);
   rtems_heap_greedy_free(opaque);
 
   rv = unlink(rda);
   rtems_test_assert(rv == 0);
 }
 
 static rtems_task Init(rtems_task_argument argument)
 {
   TEST_BEGIN();
 
   test_blkdev_imfs_read_and_write();
   test_blkdev_imfs_parameters();
   test_blkdev_imfs_errors();
 
   TEST_END();
   exit(0);
 }
 
 #define CONFIGURE_INIT
 
 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
 
 #define CONFIGURE_APPLICATION_EXTRA_DRIVERS \
   { .initialization_entry = invalid_initialize, \
     .control_entry = invalid_control }
 
 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 5
 
 #define CONFIGURE_MAXIMUM_TASKS 1
 
 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
 
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #include <rtems/confdefs.h>

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