[PATCH v3 3/3] testsuites/libtests: Add test for flashdev

aaron.nyholm at unfoldedeffective.com aaron.nyholm at unfoldedeffective.com
Thu Apr 20 07:23:30 UTC 2023


From: Aaron Nyholm <aaron.nyholm at southerninnovation.com>

---
 spec/build/testsuites/libtests/flashdev01.yml |  20 ++
 spec/build/testsuites/libtests/grp.yml        |   2 +
 testsuites/libtests/flashdev01/flashdev01.doc |  11 +
 testsuites/libtests/flashdev01/flashdev01.scn |   2 +
 testsuites/libtests/flashdev01/init.c         | 190 ++++++++++++
 .../libtests/flashdev01/test_flashdev.c       | 275 ++++++++++++++++++
 .../libtests/flashdev01/test_flashdev.h       |  35 +++
 7 files changed, 535 insertions(+)
 create mode 100644 spec/build/testsuites/libtests/flashdev01.yml
 create mode 100644 testsuites/libtests/flashdev01/flashdev01.doc
 create mode 100644 testsuites/libtests/flashdev01/flashdev01.scn
 create mode 100644 testsuites/libtests/flashdev01/init.c
 create mode 100644 testsuites/libtests/flashdev01/test_flashdev.c
 create mode 100644 testsuites/libtests/flashdev01/test_flashdev.h

diff --git a/spec/build/testsuites/libtests/flashdev01.yml b/spec/build/testsuites/libtests/flashdev01.yml
new file mode 100644
index 0000000000..c943caa2e7
--- /dev/null
+++ b/spec/build/testsuites/libtests/flashdev01.yml
@@ -0,0 +1,20 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: test-program
+cflags: []
+copyrights:
+- Copyright (C) 2023 Aaron Nyholm (Southern Innovation)
+cppflags: []
+cxxflags: []
+enabled-by: true
+features: c cprogram
+includes: []
+ldflags: []
+links: []
+source:
+- testsuites/libtests/flashdev01/init.c
+- testsuites/libtests/flashdev01/test_flashdev.c
+stlib: []
+target: testsuites/libtests/flashdev01.exe
+type: build
+use-after: []
+use-before: []
diff --git a/spec/build/testsuites/libtests/grp.yml b/spec/build/testsuites/libtests/grp.yml
index 8f2cadb890..30965e5b2c 100644
--- a/spec/build/testsuites/libtests/grp.yml
+++ b/spec/build/testsuites/libtests/grp.yml
@@ -124,6 +124,8 @@ links:
   uid: exit03
 - role: build-dependency
   uid: fcntl
+- role: build-dependency
+  uid: flashdev01
 - role: build-dependency
   uid: flashdisk01
 - role: build-dependency
diff --git a/testsuites/libtests/flashdev01/flashdev01.doc b/testsuites/libtests/flashdev01/flashdev01.doc
new file mode 100644
index 0000000000..0638a5a842
--- /dev/null
+++ b/testsuites/libtests/flashdev01/flashdev01.doc
@@ -0,0 +1,11 @@
+This file describes the directives and concepts testd by this test set.
+
+test set name: flashdev01
+
+directives:
+
+  TBD
+
+concepts:
+
+  - Ensure that the flashdev driver API works.
diff --git a/testsuites/libtests/flashdev01/flashdev01.scn b/testsuites/libtests/flashdev01/flashdev01.scn
new file mode 100644
index 0000000000..809ff3cd80
--- /dev/null
+++ b/testsuites/libtests/flashdev01/flashdev01.scn
@@ -0,0 +1,2 @@
+*** BEGIN OF TEST FLASHDEV 1 ***
+*** END OF TEST FLASHDEV 1 ***
diff --git a/testsuites/libtests/flashdev01/init.c b/testsuites/libtests/flashdev01/init.c
new file mode 100644
index 0000000000..d9a5364481
--- /dev/null
+++ b/testsuites/libtests/flashdev01/init.c
@@ -0,0 +1,190 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2023 Aaron Nyholm
+ *
+ * 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.
+ */
+
+#include "tmacros.h"
+
+#include "test_flashdev.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#define TEST_NAME_LENGTH 10
+
+#define TEST_DATA_SIZE (PAGE_SIZE * PAGE_COUNT)
+#define PAGE_COUNT 16
+#define PAGE_SIZE 128
+#define WB_SIZE 1
+
+const char rtems_test_name[] = "FLASHDEV 1";
+
+static void run_test(void);
+
+static void run_test(void) {
+  
+  char buff[TEST_DATA_SIZE] = {0};
+  FILE *file;
+  int fd;
+  rtems_flashdev* flash;
+  int status;
+  char* read_data;
+  rtems_flashdev_region e_args;
+  rtems_flashdev_ioctl_page_info pg_info;
+  rtems_flashdev_region region;
+  uint32_t jedec;
+  size_t page_count;
+  int type;
+  size_t wb_size;
+
+  /* Initalize the flash device driver and flashdev */
+  flash = test_flashdev_init();
+  rtems_test_assert(flash != NULL);
+
+  /* Register the flashdev as a device */
+  status = rtems_flashdev_register(flash, "dev/flashdev0");
+  rtems_test_assert(!status);
+
+  /* Open the flashdev */
+  file = fopen("dev/flashdev0", "r+");
+  rtems_test_assert(file != NULL);
+  fd = fileno(file);
+
+  /* Read data from flash */
+  read_data = fgets(buff, TEST_DATA_SIZE, file);
+  rtems_test_assert(read_data != NULL);
+
+  /* Fseek to start of flash */
+  status = fseek(file, 0x0, SEEK_SET);
+  rtems_test_assert(!status);
+
+  /* Write the test name to the flash */
+  status = fwrite(rtems_test_name, TEST_NAME_LENGTH, 1, file);
+  rtems_test_assert(status == 1);
+
+  /* Fseek to start of flash and read again */
+  status = fseek(file, 0x0, SEEK_SET);
+  rtems_test_assert(!status);
+  fgets(buff, TEST_DATA_SIZE, file);
+  rtems_test_assert(!strncmp(buff, rtems_test_name, TEST_NAME_LENGTH));
+
+  /* Test Erasing */
+  e_args.offset = 0x0;
+  e_args.size = PAGE_SIZE;
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_ERASE, &e_args);
+  rtems_test_assert(!status);
+
+  fseek(file, 0x0, SEEK_SET);
+  fgets(buff, TEST_DATA_SIZE, file);
+  rtems_test_assert(buff[0] == 0);
+
+  /* Test getting JEDEC ID */
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_JEDEC_ID, &jedec);
+  rtems_test_assert(!status);
+  rtems_test_assert(jedec == 0x00ABCDEF);
+
+  /* Test getting flash type */
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_TYPE, &type);
+  rtems_test_assert(!status);
+  rtems_test_assert(type == RTEMS_FLASHDEV_NOR);
+
+  /* Test getting page info from offset */
+  pg_info.location = PAGE_SIZE + PAGE_SIZE/2;
+
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_PAGEINFO_BY_OFFSET, &pg_info);
+  rtems_test_assert(!status);
+  rtems_test_assert(pg_info.page_info.offset == PAGE_SIZE);
+  rtems_test_assert(pg_info.page_info.size == PAGE_SIZE);
+  
+  /* Test getting page info from index */
+  pg_info.location = 2;
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_PAGEINFO_BY_INDEX, &pg_info);
+  rtems_test_assert(!status);
+  rtems_test_assert(pg_info.page_info.offset == 2*PAGE_SIZE);
+  rtems_test_assert(pg_info.page_info.size == PAGE_SIZE);
+
+  /* Test getting page count */
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_PAGE_COUNT, &page_count);
+  rtems_test_assert(!status);
+  rtems_test_assert(page_count == PAGE_COUNT);
+
+  /* Test getting write block size */
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_WRITE_BLOCK_SIZE, &wb_size);
+  rtems_test_assert(!status);
+  rtems_test_assert(wb_size == WB_SIZE);
+
+  /* Test Regions */
+  region.offset = 0x400;
+  region.size = 0x200;
+  status = ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_SET, &region);
+  rtems_test_assert(!status);
+
+  // Test read to larger then region
+  fseek(file, 0x0, SEEK_SET);
+  read_data = fgets(buff, 2048, file);
+  rtems_test_assert(read_data == NULL);
+
+  // Test fseek outside of region
+  status = fseek(file, 0x201, SEEK_SET);
+  rtems_test_assert(status);
+  
+  // Write to base unset region and check the writes location
+  fseek(file, 0x0, SEEK_SET);
+  fwrite("HELLO WORLD", 11, 1, file);
+  ioctl(fd, RTEMS_FLASHDEV_IOCTL_REGION_UNSET, NULL);
+  fseek(file, 0x400, SEEK_SET);
+  fgets(buff, 11, file);
+  rtems_test_assert(strncmp(buff, "HELLO WORLD", 11));
+}
+
+static void Init(rtems_task_argument arg)
+{
+  TEST_BEGIN();
+
+  run_test();
+  
+  TEST_END();
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_MICROSECONDS_PER_TICK 2000
+
+#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
+
+#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 7
+
+#define CONFIGURE_MAXIMUM_TASKS 2
+
+#define CONFIGURE_MAXIMUM_SEMAPHORES 1
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
diff --git a/testsuites/libtests/flashdev01/test_flashdev.c b/testsuites/libtests/flashdev01/test_flashdev.c
new file mode 100644
index 0000000000..255e13fb9c
--- /dev/null
+++ b/testsuites/libtests/flashdev01/test_flashdev.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2023 Aaron Nyholm
+ *
+ * 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.
+ */
+
+#include "test_flashdev.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rtems/seterr.h>
+
+#define TEST_DATA_SIZE (PAGE_SIZE * PAGE_COUNT)
+#define PAGE_COUNT 16
+#define PAGE_SIZE 128
+#define WB_SIZE 1
+#define MAX_NUM_REGIONS 48
+#define BITALLOC_SIZE 32
+#define NUM_BITALLOC ((MAX_NUM_REGIONS + BITALLOC_SIZE - 1) / BITALLOC_SIZE)
+
+/**
+ * This flash device driver is for testing flashdev
+ * API calls.
+ */
+typedef struct test_flashdev {
+  char* data;
+  uint32_t jedec_id;
+  uint32_t bit_allocator[NUM_BITALLOC];
+  rtems_flashdev_region regions[MAX_NUM_REGIONS];
+} test_flashdev;
+
+int test_flashdev_page_by_off(
+  rtems_flashdev *flash,
+  off_t search_offset,
+  off_t *page_offset,
+  size_t *page_size
+);
+
+int test_flashdev_page_by_index(
+  rtems_flashdev *flash,
+  off_t search_index,
+  off_t *page_offset,
+  size_t *page_size
+);
+
+int test_flashdev_page_count(
+  rtems_flashdev *flash,
+  int *page_count
+);
+
+int test_flashdev_wb_size(
+  rtems_flashdev *flash,
+  size_t *write_block_size
+);
+
+uint32_t test_flashdev_jedec_id(
+  rtems_flashdev* flash
+);
+
+int test_flashdev_type(
+  rtems_flashdev* flash,
+  rtems_flashdev_flash_type* type
+);
+
+int test_flashdev_read(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count,
+  void* buffer
+);
+
+int test_flashdev_write(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count,
+  const void* buffer
+);
+
+int test_flashdev_erase(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count
+);
+
+/* Function to handle find page info by offset */
+int test_flashdev_page_by_off(
+  rtems_flashdev *flash,
+  off_t search_offset,
+  off_t *page_offset,
+  size_t *page_size
+)
+{
+  *page_offset = search_offset - (search_offset%PAGE_SIZE);
+  *page_size = PAGE_SIZE;
+  return 0;
+}
+
+/* Function to handle find page by index */
+int test_flashdev_page_by_index(
+  rtems_flashdev *flash,
+  off_t search_index,
+  off_t *page_offset,
+  size_t *page_size
+)
+{
+  *page_offset = search_index * PAGE_SIZE;
+  *page_size = PAGE_SIZE;
+  return 0;
+}
+
+/* Page count handler */
+int test_flashdev_page_count(
+  rtems_flashdev *flash,
+  int *page_count
+)
+{
+  *page_count = PAGE_COUNT;
+  return 0;
+}
+
+/* Write block size handler */
+int test_flashdev_wb_size(
+  rtems_flashdev *flash,
+  size_t *write_block_size
+)
+{
+  *write_block_size = WB_SIZE;
+  return 0;
+}
+
+/* JEDEC ID handler, this would normally require a READID
+ * call to the physical flash device.
+ */
+uint32_t test_flashdev_jedec_id(
+  rtems_flashdev* flash
+)
+{
+  test_flashdev* driver = flash->driver;
+  return driver->jedec_id;
+}
+
+/* Function to identify what kind of flash is attached. */
+int test_flashdev_type(
+  rtems_flashdev *flash,
+  rtems_flashdev_flash_type *type
+)
+{
+  *type = RTEMS_FLASHDEV_NOR;
+  return 0;
+}
+
+/* Read flash call. Any offset or count protections are
+ * required to be done in the driver function. */
+int test_flashdev_read(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count,
+  void* buffer
+)
+{
+  test_flashdev* driver = flash->driver;
+
+  if (offset + count > TEST_DATA_SIZE) {
+    rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  memcpy(buffer, &driver->data[offset], count);
+  return 0;
+}
+
+/* Write Flash call. Any offset or count protections are
+ * required to be done in the driver function. */
+int test_flashdev_write(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count,
+  const void* buffer
+)
+{
+  test_flashdev* driver = flash->driver;
+
+  if (offset + count > TEST_DATA_SIZE) {
+    rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  memcpy(&driver->data[offset], buffer, count);
+  return 0;
+}
+
+/* Erase Flash call. Any offset or count protections are
+ * required to be done in the driver function. */
+int test_flashdev_erase(
+  rtems_flashdev* flash,
+  uintptr_t offset,
+  size_t count
+)
+{
+  test_flashdev* driver = flash->driver;
+
+  if (offset + count > TEST_DATA_SIZE) {
+    rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  if (offset%PAGE_SIZE || count%PAGE_SIZE) {
+    rtems_set_errno_and_return_minus_one( EINVAL );
+  }
+
+  memset(&driver->data[offset], 0, count);
+  return 0;
+}
+
+/* Initialize Flashdev and underlying driver. */
+rtems_flashdev* test_flashdev_init(void)
+{
+  rtems_flashdev *flash = rtems_flashdev_alloc_and_init(sizeof(rtems_flashdev));
+
+  if (flash == NULL) {
+    return NULL;
+  }
+
+  test_flashdev* flash_driver = calloc(1, sizeof(test_flashdev));
+
+  if (flash_driver == NULL) {
+    rtems_flashdev_destroy_and_free(flash);
+    return NULL;
+  }
+
+  flash_driver->data = calloc(1, TEST_DATA_SIZE);
+  if (flash_driver->data == NULL) {
+    free(flash_driver);
+    rtems_flashdev_destroy_and_free(flash);
+    return NULL;
+  }
+
+  flash_driver->jedec_id = 0x00ABCDEF;
+
+  rtems_flashdev_region_table *ftable = calloc(1, sizeof(rtems_flashdev_region_table));
+  ftable->max_regions = MAX_NUM_REGIONS;
+  ftable->regions = &(flash_driver->regions);
+  ftable->bit_allocator = &(flash_driver->bit_allocator);
+
+  flash->driver = flash_driver;
+  flash->read = &test_flashdev_read;
+  flash->write = &test_flashdev_write;
+  flash->erase = &test_flashdev_erase;
+  flash->jedec_id = &test_flashdev_jedec_id;
+  flash->flash_type = &test_flashdev_type;
+  flash->page_info_by_offset = &test_flashdev_page_by_off;
+  flash->page_info_by_index = &test_flashdev_page_by_index;
+  flash->page_count = &test_flashdev_page_count;
+  flash->write_block_size = &test_flashdev_wb_size;
+  flash->region_table = ftable;
+
+  return flash;
+}
diff --git a/testsuites/libtests/flashdev01/test_flashdev.h b/testsuites/libtests/flashdev01/test_flashdev.h
new file mode 100644
index 0000000000..8b03959c42
--- /dev/null
+++ b/testsuites/libtests/flashdev01/test_flashdev.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2023 Aaron Nyholm
+ *
+ * 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.
+ */
+
+#ifndef __TEST_FLASHDEV_H
+#define __TEST_FLASHDEV_H
+
+#include <dev/flash/flashdev.h>
+
+rtems_flashdev* test_flashdev_init(void);
+
+#endif /* __TEST_FLASHDEV_H */
-- 
2.25.1



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