summaryrefslogtreecommitdiffstats
path: root/src/spdk/test/unit/lib/blob/bs_dev_common.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/spdk/test/unit/lib/blob/bs_dev_common.c')
-rw-r--r--src/spdk/test/unit/lib/blob/bs_dev_common.c395
1 files changed, 395 insertions, 0 deletions
diff --git a/src/spdk/test/unit/lib/blob/bs_dev_common.c b/src/spdk/test/unit/lib/blob/bs_dev_common.c
new file mode 100644
index 000000000..4e94fef8b
--- /dev/null
+++ b/src/spdk/test/unit/lib/blob/bs_dev_common.c
@@ -0,0 +1,395 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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 "spdk/thread.h"
+#include "bs_scheduler.c"
+
+
+#define DEV_BUFFER_SIZE (64 * 1024 * 1024)
+#define DEV_BUFFER_BLOCKLEN (4096)
+#define DEV_BUFFER_BLOCKCNT (DEV_BUFFER_SIZE / DEV_BUFFER_BLOCKLEN)
+uint8_t *g_dev_buffer;
+uint64_t g_dev_write_bytes;
+uint64_t g_dev_read_bytes;
+
+struct spdk_power_failure_counters {
+ uint64_t general_counter;
+ uint64_t read_counter;
+ uint64_t write_counter;
+ uint64_t unmap_counter;
+ uint64_t write_zero_counter;
+ uint64_t flush_counter;
+};
+
+static struct spdk_power_failure_counters g_power_failure_counters = {};
+
+struct spdk_power_failure_thresholds {
+ uint64_t general_threshold;
+ uint64_t read_threshold;
+ uint64_t write_threshold;
+ uint64_t unmap_threshold;
+ uint64_t write_zero_threshold;
+ uint64_t flush_threshold;
+};
+
+static struct spdk_power_failure_thresholds g_power_failure_thresholds = {};
+
+static uint64_t g_power_failure_rc;
+
+void dev_reset_power_failure_event(void);
+void dev_reset_power_failure_counters(void);
+void dev_set_power_failure_thresholds(struct spdk_power_failure_thresholds thresholds);
+
+void
+dev_reset_power_failure_event(void)
+{
+ memset(&g_power_failure_counters, 0, sizeof(g_power_failure_counters));
+ memset(&g_power_failure_thresholds, 0, sizeof(g_power_failure_thresholds));
+ g_power_failure_rc = 0;
+}
+
+void
+dev_reset_power_failure_counters(void)
+{
+ memset(&g_power_failure_counters, 0, sizeof(g_power_failure_counters));
+ g_power_failure_rc = 0;
+}
+
+/**
+ * Set power failure event. Power failure will occur after given number
+ * of IO operations. It may occure after number of particular operations
+ * (read, write, unmap, write zero or flush) or after given number of
+ * any IO operations (general_treshold). Value 0 means that the treshold
+ * is disabled. Any other value is the number of operation starting from
+ * which power failure event will happen.
+ */
+void
+dev_set_power_failure_thresholds(struct spdk_power_failure_thresholds thresholds)
+{
+ g_power_failure_thresholds = thresholds;
+}
+
+/* Define here for UT only. */
+struct spdk_io_channel g_io_channel;
+
+static struct spdk_io_channel *
+dev_create_channel(struct spdk_bs_dev *dev)
+{
+ return &g_io_channel;
+}
+
+static void
+dev_destroy_channel(struct spdk_bs_dev *dev, struct spdk_io_channel *channel)
+{
+}
+
+static void
+dev_destroy(struct spdk_bs_dev *dev)
+{
+ free(dev);
+}
+
+
+static void
+dev_complete_cb(void *arg)
+{
+ struct spdk_bs_dev_cb_args *cb_args = arg;
+
+ cb_args->cb_fn(cb_args->channel, cb_args->cb_arg, g_power_failure_rc);
+}
+
+static void
+dev_complete(void *arg)
+{
+ _bs_send_msg(dev_complete_cb, arg, NULL);
+}
+
+static void
+dev_read(struct spdk_bs_dev *dev, struct spdk_io_channel *channel, void *payload,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+
+ if (g_power_failure_thresholds.read_threshold != 0) {
+ g_power_failure_counters.read_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.read_threshold == 0 ||
+ g_power_failure_counters.read_counter < g_power_failure_thresholds.read_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+
+ memcpy(payload, &g_dev_buffer[offset], length);
+ g_dev_read_bytes += length;
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+dev_write(struct spdk_bs_dev *dev, struct spdk_io_channel *channel, void *payload,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+
+ if (g_power_failure_thresholds.write_threshold != 0) {
+ g_power_failure_counters.write_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.write_threshold == 0 ||
+ g_power_failure_counters.write_counter < g_power_failure_thresholds.write_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+
+ memcpy(&g_dev_buffer[offset], payload, length);
+ g_dev_write_bytes += length;
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+__check_iov(struct iovec *iov, int iovcnt, uint64_t length)
+{
+ int i;
+
+ for (i = 0; i < iovcnt; i++) {
+ length -= iov[i].iov_len;
+ }
+
+ CU_ASSERT(length == 0);
+}
+
+static void
+dev_readv(struct spdk_bs_dev *dev, struct spdk_io_channel *channel,
+ struct iovec *iov, int iovcnt,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+ int i;
+
+ if (g_power_failure_thresholds.read_threshold != 0) {
+ g_power_failure_counters.read_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.read_threshold == 0 ||
+ g_power_failure_counters.read_counter < g_power_failure_thresholds.read_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+ __check_iov(iov, iovcnt, length);
+
+ for (i = 0; i < iovcnt; i++) {
+ memcpy(iov[i].iov_base, &g_dev_buffer[offset], iov[i].iov_len);
+ offset += iov[i].iov_len;
+ }
+
+ g_dev_read_bytes += length;
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+dev_writev(struct spdk_bs_dev *dev, struct spdk_io_channel *channel,
+ struct iovec *iov, int iovcnt,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+ int i;
+
+ if (g_power_failure_thresholds.write_threshold != 0) {
+ g_power_failure_counters.write_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.write_threshold == 0 ||
+ g_power_failure_counters.write_counter < g_power_failure_thresholds.write_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+ __check_iov(iov, iovcnt, length);
+
+ for (i = 0; i < iovcnt; i++) {
+ memcpy(&g_dev_buffer[offset], iov[i].iov_base, iov[i].iov_len);
+ offset += iov[i].iov_len;
+ }
+
+ g_dev_write_bytes += length;
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+dev_flush(struct spdk_bs_dev *dev, struct spdk_io_channel *channel,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ if (g_power_failure_thresholds.flush_threshold != 0) {
+ g_power_failure_counters.flush_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.flush_threshold != 0 &&
+ g_power_failure_counters.flush_counter >= g_power_failure_thresholds.flush_threshold) ||
+ (g_power_failure_thresholds.general_threshold != 0 &&
+ g_power_failure_counters.general_counter >= g_power_failure_thresholds.general_threshold)) {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+dev_unmap(struct spdk_bs_dev *dev, struct spdk_io_channel *channel,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+
+ if (g_power_failure_thresholds.unmap_threshold != 0) {
+ g_power_failure_counters.unmap_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.unmap_threshold == 0 ||
+ g_power_failure_counters.unmap_counter < g_power_failure_thresholds.unmap_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+ memset(&g_dev_buffer[offset], 0, length);
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static void
+dev_write_zeroes(struct spdk_bs_dev *dev, struct spdk_io_channel *channel,
+ uint64_t lba, uint32_t lba_count,
+ struct spdk_bs_dev_cb_args *cb_args)
+{
+ uint64_t offset, length;
+
+ if (g_power_failure_thresholds.write_zero_threshold != 0) {
+ g_power_failure_counters.write_zero_counter++;
+ }
+
+ if (g_power_failure_thresholds.general_threshold != 0) {
+ g_power_failure_counters.general_counter++;
+ }
+
+ if ((g_power_failure_thresholds.write_zero_threshold == 0 ||
+ g_power_failure_counters.write_zero_counter < g_power_failure_thresholds.write_zero_threshold) &&
+ (g_power_failure_thresholds.general_threshold == 0 ||
+ g_power_failure_counters.general_counter < g_power_failure_thresholds.general_threshold)) {
+ offset = lba * dev->blocklen;
+ length = lba_count * dev->blocklen;
+ SPDK_CU_ASSERT_FATAL(offset + length <= DEV_BUFFER_SIZE);
+ memset(&g_dev_buffer[offset], 0, length);
+ g_dev_write_bytes += length;
+ } else {
+ g_power_failure_rc = -EIO;
+ }
+
+ spdk_thread_send_msg(spdk_get_thread(), dev_complete, cb_args);
+}
+
+static struct spdk_bs_dev *
+init_dev(void)
+{
+ struct spdk_bs_dev *dev = calloc(1, sizeof(*dev));
+
+ SPDK_CU_ASSERT_FATAL(dev != NULL);
+
+ dev->create_channel = dev_create_channel;
+ dev->destroy_channel = dev_destroy_channel;
+ dev->destroy = dev_destroy;
+ dev->read = dev_read;
+ dev->write = dev_write;
+ dev->readv = dev_readv;
+ dev->writev = dev_writev;
+ dev->flush = dev_flush;
+ dev->unmap = dev_unmap;
+ dev->write_zeroes = dev_write_zeroes;
+ dev->blockcnt = DEV_BUFFER_BLOCKCNT;
+ dev->blocklen = DEV_BUFFER_BLOCKLEN;
+
+ return dev;
+}