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/*-
* 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;
}
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