Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 201 insertions, 0 deletions

diff --git a/src/spdk/lib/bdev/bdev_zone.c b/src/spdk/lib/bdev/bdev_zone.c
new file mode 100644
index 000000000..3cf2ecb67
--- /dev/null
+++ b/src/spdk/lib/bdev/bdev_zone.c
@@ -0,0 +1,201 @@
+/*-
+ *   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/stdinc.h"
+
+#include "spdk/bdev_zone.h"
+#include "spdk/bdev_module.h"
+
+#include "bdev_internal.h"
+
+uint64_t
+spdk_bdev_get_zone_size(const struct spdk_bdev *bdev)
+{
+	return bdev->zone_size;
+}
+
+uint32_t
+spdk_bdev_get_max_open_zones(const struct spdk_bdev *bdev)
+{
+	return bdev->max_open_zones;
+}
+
+uint32_t
+spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev)
+{
+	return bdev->optimal_open_zones;
+}
+
+int
+spdk_bdev_get_zone_info(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			uint64_t zone_id, size_t num_zones, struct spdk_bdev_zone_info *info,
+			spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
+	struct spdk_bdev_io *bdev_io;
+	struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch);
+
+	bdev_io = bdev_channel_get_io(channel);
+	if (!bdev_io) {
+		return -ENOMEM;
+	}
+
+	bdev_io->internal.ch = channel;
+	bdev_io->internal.desc = desc;
+	bdev_io->type = SPDK_BDEV_IO_TYPE_GET_ZONE_INFO;
+	bdev_io->u.zone_mgmt.zone_id = zone_id;
+	bdev_io->u.zone_mgmt.num_zones = num_zones;
+	bdev_io->u.zone_mgmt.buf = info;
+	bdev_io_init(bdev_io, bdev, cb_arg, cb);
+
+	bdev_io_submit(bdev_io);
+	return 0;
+}
+
+int
+spdk_bdev_zone_management(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			  uint64_t zone_id, enum spdk_bdev_zone_action action,
+			  spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
+	struct spdk_bdev_io *bdev_io;
+	struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch);
+
+	bdev_io = bdev_channel_get_io(channel);
+	if (!bdev_io) {
+		return -ENOMEM;
+	}
+
+	bdev_io->internal.ch = channel;
+	bdev_io->internal.desc = desc;
+	bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT;
+	bdev_io->u.zone_mgmt.zone_action = action;
+	bdev_io->u.zone_mgmt.zone_id = zone_id;
+	bdev_io->u.zone_mgmt.num_zones = 1;
+	bdev_io_init(bdev_io, bdev, cb_arg, cb);
+
+	bdev_io_submit(bdev_io);
+	return 0;
+}
+
+static int
+zone_bdev_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			 void *buf, void *md_buf, uint64_t zone_id, uint64_t num_blocks,
+			 spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
+	struct spdk_bdev_io *bdev_io;
+	struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch);
+
+	bdev_io = bdev_channel_get_io(channel);
+	if (!bdev_io) {
+		return -ENOMEM;
+	}
+
+	bdev_io->internal.ch = channel;
+	bdev_io->internal.desc = desc;
+	bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_APPEND;
+	bdev_io->u.bdev.iovs = &bdev_io->iov;
+	bdev_io->u.bdev.iovs[0].iov_base = buf;
+	bdev_io->u.bdev.iovs[0].iov_len = num_blocks * bdev->blocklen;
+	bdev_io->u.bdev.iovcnt = 1;
+	bdev_io->u.bdev.md_buf = md_buf;
+	bdev_io->u.bdev.num_blocks = num_blocks;
+	bdev_io->u.bdev.offset_blocks = zone_id;
+	bdev_io_init(bdev_io, bdev, cb_arg, cb);
+
+	bdev_io_submit(bdev_io);
+	return 0;
+}
+
+int
+spdk_bdev_zone_append(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+		      void *buf, uint64_t start_lba, uint64_t num_blocks,
+		      spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	return zone_bdev_append_with_md(desc, ch, buf, NULL, start_lba, num_blocks,
+					cb, cb_arg);
+}
+
+int
+spdk_bdev_zone_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			      void *buf, void *md, uint64_t start_lba, uint64_t num_blocks,
+			      spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	return zone_bdev_append_with_md(desc, ch, buf, md, start_lba, num_blocks,
+					cb, cb_arg);
+}
+
+int
+spdk_bdev_zone_appendv_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			       struct iovec *iov, int iovcnt, void *md_buf, uint64_t zone_id,
+			       uint64_t num_blocks, spdk_bdev_io_completion_cb cb,
+			       void *cb_arg)
+{
+	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
+	struct spdk_bdev_io *bdev_io;
+	struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch);
+
+	bdev_io = bdev_channel_get_io(channel);
+	if (!bdev_io) {
+		return -ENOMEM;
+	}
+
+	bdev_io->internal.ch = channel;
+	bdev_io->internal.desc = desc;
+	bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_APPEND;
+	bdev_io->u.bdev.iovs = iov;
+	bdev_io->u.bdev.iovcnt = iovcnt;
+	bdev_io->u.bdev.md_buf = md_buf;
+	bdev_io->u.bdev.num_blocks = num_blocks;
+	bdev_io->u.bdev.offset_blocks = zone_id;
+	bdev_io_init(bdev_io, bdev, cb_arg, cb);
+
+	bdev_io_submit(bdev_io);
+	return 0;
+}
+
+int
+spdk_bdev_zone_appendv(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+		       struct iovec *iovs, int iovcnt, uint64_t zone_id, uint64_t num_blocks,
+		       spdk_bdev_io_completion_cb cb, void *cb_arg)
+{
+	return spdk_bdev_zone_appendv_with_md(desc, ch, iovs, iovcnt, NULL, zone_id, num_blocks,
+					      cb, cb_arg);
+}
+
+uint64_t
+spdk_bdev_io_get_append_location(struct spdk_bdev_io *bdev_io)
+{
+	return bdev_io->u.bdev.offset_blocks;
+}