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 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /*
  * 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 <assert.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <rtems/bdbuf.h>
 
 const char rtems_test_name[] = "BLOCK 15";
 
 #define BLOCK_COUNT 20
 
 #define ACTION_COUNT 8
 
 #define REQUEST_COUNT 4
 
 #define WRITE_COUNT 16
 
 #define MAX_WRITE_BLOCKS 3
 
 #define MEDIA_BLOCK_SIZE 2
 
 #define BLOCK_SIZE 4
 
 #define DISK_PATH "/disk"
 
 static const rtems_blkdev_bnum action_sequence [ACTION_COUNT] = {
   2, 1, 0, 4, 5, 6, 7, 9
 };
 
 static size_t request_index;
 
 static const uint32_t expected_request_bufnums [REQUEST_COUNT] = {
   3, 3, 1, 1
 };
 
 static size_t write_index;
 
 static const rtems_blkdev_bnum expected_write_blocks [WRITE_COUNT] = {
   0, 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 18, 19
 };
 
 static int test_disk_ioctl(rtems_disk_device *dd, uint32_t req, void *arg)
 {
   int rv = 0;
 
   if (req == RTEMS_BLKIO_REQUEST) {
     rtems_blkdev_request *breq = arg;
     uint32_t i;
 
     printf("REQ %" PRIu32 "\n", breq->bufnum);
 
     rtems_test_assert(breq->req == RTEMS_BLKDEV_REQ_WRITE);
     rtems_test_assert(breq->bufnum == expected_request_bufnums [request_index]);
     ++request_index;
 
     for (i = 0; i < breq->bufnum; ++i) {
       rtems_blkdev_sg_buffer *sg = &breq->bufs [i];
       rtems_blkdev_bnum j;
 
       printf("W %" PRIu32 "\n", sg->block);
 
       rtems_test_assert(sg->block < BLOCK_COUNT);
       rtems_test_assert(sg->length == BLOCK_SIZE);
 
       for (j = 0; j < BLOCK_SIZE / MEDIA_BLOCK_SIZE; ++j) {
         rtems_test_assert(expected_write_blocks [write_index] == sg->block + j);
         ++write_index;
       }
     }
 
     rtems_blkdev_request_done(breq, RTEMS_SUCCESSFUL);
   } else if (req == RTEMS_BLKIO_CAPABILITIES) {
     *(uint32_t *) arg = RTEMS_BLKDEV_CAP_MULTISECTOR_CONT;
   } else {
     rv = rtems_blkdev_ioctl(dd, req, arg);
   }
 
   return rv;
 }
 
 static void test_write_requests(rtems_disk_device *dd)
 {
   rtems_status_code sc;
   int i;
 
   sc = rtems_bdbuf_set_block_size(dd, BLOCK_SIZE, true);
   rtems_test_assert(sc == RTEMS_SUCCESSFUL);
 
   for (i = 0; i < ACTION_COUNT; ++i) {
     rtems_blkdev_bnum block = action_sequence [i];
     rtems_bdbuf_buffer *bd;
 
     sc = rtems_bdbuf_get(dd, block, &bd);
     rtems_test_assert(sc == RTEMS_SUCCESSFUL);
 
     sc = rtems_bdbuf_release_modified(bd);
     rtems_test_assert(sc == RTEMS_SUCCESSFUL);
   }
 
   sc = rtems_bdbuf_syncdev(dd);
   rtems_test_assert(sc == RTEMS_SUCCESSFUL);
 
   rtems_test_assert(request_index == REQUEST_COUNT);
   rtems_test_assert(write_index == WRITE_COUNT);
 }
 
 static void test(void)
 {
   rtems_status_code sc;
   rtems_disk_device *dd;
   int fd;
   int rv;
 
   sc = rtems_blkdev_create(
     DISK_PATH,
     MEDIA_BLOCK_SIZE,
     BLOCK_COUNT,
     test_disk_ioctl,
     NULL
   );
   rtems_test_assert(sc == RTEMS_SUCCESSFUL);
 
   fd = open(DISK_PATH, O_RDWR);
   rtems_test_assert(fd >= 0);
 
   rv = rtems_disk_fd_get_disk_device(fd, &dd);
   rtems_test_assert(rv == 0);
 
   rv = close(fd);
   rtems_test_assert(rv == 0);
 
   test_write_requests(dd);
 
   rv = unlink(DISK_PATH);
   rtems_test_assert(rv == 0);
 }
 
 static void Init(rtems_task_argument arg)
 {
   TEST_BEGIN();
 
   test();
 
   TEST_END();
 
   rtems_test_exit(0);
 }
 
 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
 #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
 
 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
 
 #define CONFIGURE_BDBUF_BUFFER_MIN_SIZE 1
 #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE 4
 #define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE (BLOCK_COUNT * BLOCK_SIZE)
 #define CONFIGURE_BDBUF_MAX_WRITE_BLOCKS MAX_WRITE_BLOCKS
 
 #define CONFIGURE_MAXIMUM_TASKS 1
 
 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
 
 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
 
 #define CONFIGURE_INIT
 
 #include <rtems/confdefs.h>

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