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-rw-r--r--tests/ubi-tests/io_update.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/tests/ubi-tests/io_update.c b/tests/ubi-tests/io_update.c
new file mode 100644
index 0000000..2e3422a
--- /dev/null
+++ b/tests/ubi-tests/io_update.c
@@ -0,0 +1,370 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2006
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Author: Artem B. Bityutskiy
+ *
+ * Test UBI volume update.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "libubi.h"
+#define TESTNAME "io_update"
+#include "common.h"
+
+static libubi_t libubi;
+static struct ubi_dev_info dev_info;
+const char *node;
+
+static int test_update(int type);
+static int test_update_ff(void);
+
+int main(int argc, char * const argv[])
+{
+ if (initial_check(argc, argv))
+ return 1;
+
+ node = argv[1];
+
+ libubi = libubi_open();
+ if (libubi == NULL) {
+ failed("libubi_open");
+ return 1;
+ }
+
+ if (ubi_get_dev_info(libubi, node, &dev_info)) {
+ failed("ubi_get_dev_info");
+ goto close;
+ }
+
+ if (test_update(UBI_DYNAMIC_VOLUME))
+ goto close;
+ if (test_update(UBI_STATIC_VOLUME))
+ goto close;
+ if (test_update_ff())
+ goto close;
+
+ libubi_close(libubi);
+ return 0;
+
+close:
+ libubi_close(libubi);
+ return 1;
+}
+
+static int test_update1(struct ubi_vol_info *vol_info);
+
+/**
+ * test_update - check volume update capabilities.
+ *
+ * @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
+ *
+ * This function returns %0 in case of success and %-1 in case of failure.
+ */
+static int test_update(int type)
+{
+ struct ubi_mkvol_request req;
+ const char *name = TESTNAME ":io_update()";
+ int alignments[] = ALIGNMENTS(dev_info.eb_size);
+ struct ubi_vol_info vol_info;
+ char vol_node[strlen(UBI_VOLUME_PATTERN) + 100];
+ int i;
+
+ for (i = 0; i < sizeof(alignments)/sizeof(int); i++) {
+ int eb_size;
+
+ req.vol_id = UBI_VOL_NUM_AUTO;
+ req.vol_type = type;
+ req.name = name;
+
+ req.alignment = alignments[i];
+ req.alignment -= req.alignment % dev_info.min_io_size;
+ if (req.alignment == 0)
+ req.alignment = dev_info.min_io_size;
+
+ eb_size = dev_info.eb_size - dev_info.eb_size % req.alignment;
+ req.bytes = MIN_AVAIL_EBS * eb_size;
+
+ if (ubi_mkvol(libubi, node, &req)) {
+ failed("ubi_mkvol");
+ return -1;
+ }
+
+ sprintf(&vol_node[0], UBI_VOLUME_PATTERN, dev_info.dev_num,
+ req.vol_id);
+ if (ubi_get_vol_info(libubi, vol_node, &vol_info)) {
+ failed("ubi_get_vol_info");
+ goto remove;
+ }
+
+ if (test_update1(&vol_info)) {
+ err_msg("alignment = %d", req.alignment);
+ goto remove;
+ }
+
+ if (ubi_rmvol(libubi, node, req.vol_id)) {
+ failed("ubi_rmvol");
+ return -1;
+ }
+ }
+
+ return 0;
+
+remove:
+ ubi_rmvol(libubi, node, req.vol_id);
+ return -1;
+}
+
+#define SEQUENCES(io, s) { \
+ {3*(s)-(io)-1, 1}, \
+ {512}, \
+ {666}, \
+ {2048}, \
+ {(io), (io), PAGE_SIZE}, \
+ {(io)+1, (io)+1, PAGE_SIZE}, \
+ {PAGE_SIZE}, \
+ {PAGE_SIZE-1}, \
+ {PAGE_SIZE+(io)}, \
+ {(s)}, \
+ {(s)-1}, \
+ {(s)+1}, \
+ {(io), (s)+1}, \
+ {(s)+(io), PAGE_SIZE}, \
+ {2*(s), PAGE_SIZE}, \
+ {PAGE_SIZE, 2*(s), 1}, \
+ {PAGE_SIZE, 2*(s)}, \
+ {2*(s)-1, 2*(s)-1}, \
+ {3*(s), PAGE_SIZE + 1}, \
+ {1, PAGE_SIZE}, \
+ {(io), (s)} \
+}
+#define SEQ_SZ 21
+
+/*
+ * test_update1 - helper function for test_update().
+ */
+static int test_update1(struct ubi_vol_info *vol_info)
+{
+ int sequences[SEQ_SZ][3] = SEQUENCES(dev_info.min_io_size,
+ vol_info->eb_size);
+ char vol_node[strlen(UBI_VOLUME_PATTERN) + 100];
+ unsigned char buf[vol_info->rsvd_bytes];
+ int fd, i, j;
+
+ sprintf(&vol_node[0], UBI_VOLUME_PATTERN, dev_info.dev_num,
+ vol_info->vol_id);
+
+ for (i = 0; i < vol_info->rsvd_bytes; i++)
+ buf[i] = (unsigned char)i;
+
+ fd = open(vol_node, O_RDWR);
+ if (fd == -1) {
+ failed("open");
+ err_msg("cannot open \"%s\"\n", node);
+ return -1;
+ }
+
+ for (i = 0; i < SEQ_SZ; i++) {
+ int ret, stop = 0, len;
+ off_t off = 0;
+ unsigned char buf1[vol_info->rsvd_bytes];
+
+ if (ubi_update_start(libubi, fd, vol_info->rsvd_bytes)) {
+ failed("ubi_update_start");
+ goto close;
+ }
+
+ for (j = 0; off < vol_info->rsvd_bytes; j++) {
+ if (!stop) {
+ if (sequences[i][j] != 0)
+ len = sequences[i][j];
+ else
+ stop = 1;
+ }
+
+ ret = write(fd, &buf[off], len);
+ if (ret < 0) {
+ failed("write");
+ err_msg("failed to write %d bytes at offset "
+ "%lld", len, (long long) off);
+ goto close;
+ }
+ if (off + len > vol_info->rsvd_bytes)
+ len = vol_info->rsvd_bytes - off;
+ if (ret != len) {
+ err_msg("failed to write %d bytes at offset "
+ "%lld, wrote %d", len, (long long) off, ret);
+ goto close;
+ }
+ off += len;
+ }
+
+ /* Check data */
+ if ((ret = lseek(fd, SEEK_SET, 0)) != 0) {
+ if (ret < 0)
+ failed("lseek");
+ err_msg("cannot seek to 0");
+ goto close;
+ }
+ memset(&buf1[0], 0x01, vol_info->rsvd_bytes);
+ ret = read(fd, &buf1[0], vol_info->rsvd_bytes + 1);
+ if (ret < 0) {
+ failed("read");
+ err_msg("failed to read %d bytes",
+ vol_info->rsvd_bytes + 1);
+ goto close;
+ }
+ if (ret != vol_info->rsvd_bytes) {
+ err_msg("failed to read %d bytes, read %d",
+ vol_info->rsvd_bytes, ret);
+ goto close;
+ }
+ if (memcmp(&buf[0], &buf1[0], vol_info->rsvd_bytes)) {
+ err_msg("data corruption");
+ goto close;
+ }
+ }
+
+ close(fd);
+ return 0;
+
+close:
+ close(fd);
+ return -1;
+}
+
+/**
+ * test_update_ff - check volume with 0xFF data
+ *
+ * This function returns %0 in case of success and %-1 in case of failure.
+ */
+static int test_update_ff(void)
+{
+ struct ubi_mkvol_request req;
+ const char *name = TESTNAME ":io_update()";
+ struct ubi_vol_info vol_info;
+ char vol_node[strlen(UBI_VOLUME_PATTERN) + 100];
+ int i, fd, ret, types[2];
+ int upd_len = MIN_AVAIL_EBS * dev_info.eb_size;
+ char buf[upd_len], buf1[upd_len];
+
+ for(i = 0; i < MIN_AVAIL_EBS; i++) {
+ if (i % 1)
+ memset(&buf[0], 0xAB, upd_len);
+ else
+ memset(&buf[0], 0xFF, upd_len);
+ }
+
+ types[0] = UBI_DYNAMIC_VOLUME;
+ types[1] = UBI_STATIC_VOLUME;
+
+ for (i = 0; i < 2; i++) {
+ req.vol_id = UBI_VOL_NUM_AUTO;
+ req.vol_type = types[i];
+ req.name = name;
+
+ req.alignment = 1;
+ req.bytes = upd_len;
+
+ if (ubi_mkvol(libubi, node, &req)) {
+ failed("ubi_mkvol");
+ return -1;
+ }
+
+ sprintf(&vol_node[0], UBI_VOLUME_PATTERN, dev_info.dev_num,
+ req.vol_id);
+ if (ubi_get_vol_info(libubi, vol_node, &vol_info)) {
+ failed("ubi_get_vol_info");
+ goto remove;
+ }
+
+ fd = open(vol_node, O_RDWR);
+ if (fd == -1) {
+ failed("open");
+ err_msg("cannot open \"%s\"\n", node);
+ goto remove;
+ }
+
+ if (ubi_update_start(libubi, fd, upd_len)) {
+ failed("ubi_update_start");
+ goto close;
+ }
+
+
+ ret = write(fd, &buf[0], upd_len);
+ if (ret < 0 || ret != upd_len) {
+ failed("write");
+ err_msg("failed to write %d bytes", upd_len);
+ goto close;
+ }
+
+ /* Check data */
+ if ((ret = lseek(fd, SEEK_SET, 0)) != 0) {
+ if (ret < 0)
+ failed("lseek");
+ err_msg("cannot seek to 0");
+ goto close;
+ }
+
+ close(fd);
+
+ fd = open(vol_node, O_RDWR);
+ if (fd == -1) {
+ failed("open");
+ err_msg("cannot open \"%s\"\n", node);
+ goto remove;
+ }
+
+ memset(&buf1[0], 0x00, upd_len);
+ ret = read(fd, &buf1[0], upd_len);
+ if (ret < 0) {
+ failed("read");
+ err_msg("failed to read %d bytes", upd_len);
+ goto close;
+ }
+ if (ret != upd_len) {
+ err_msg("failed to read %d bytes, read %d",
+ upd_len, ret);
+ goto close;
+ }
+ if (memcmp(&buf[0], &buf1[0], upd_len)) {
+ err_msg("data corruption");
+ goto close;
+ }
+
+ close(fd);
+
+ if (ubi_rmvol(libubi, node, req.vol_id)) {
+ failed("ubi_rmvol");
+ return -1;
+ }
+ }
+
+ return 0;
+
+close:
+ close(fd);
+remove:
+ ubi_rmvol(libubi, node, req.vol_id);
+ return -1;
+}
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