diff options
Diffstat (limited to 'src/spdk/lib/bdev/bdev_zone.c')
| -rw-r--r-- | src/spdk/lib/bdev/bdev_zone.c | 201 |
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; +} |