68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (C) 2022 Intel Corporation.
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* All rights reserved.
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*/
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#include "spdk/bdev_module.h"
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#include "spdk/crc32.h"
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#include "spdk/env.h"
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#include "spdk/log.h"
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#include "spdk/string.h"
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#include "spdk/util.h"
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#include "bdev_raid_sb.h"
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struct raid_bdev_save_sb_ctx {
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raid_bdev_save_sb_cb cb;
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void *cb_ctx;
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};
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static void
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raid_bdev_write_sb_cb(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
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{
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struct raid_bdev_save_sb_ctx *ctx = cb_arg;
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spdk_bdev_free_io(bdev_io);
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if (ctx->cb) {
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ctx->cb(success ? 0 : -EIO, ctx->cb_ctx);
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}
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free(ctx);
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}
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int
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raid_bdev_save_base_bdev_superblock(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
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const struct raid_bdev_superblock *sb,
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raid_bdev_save_sb_cb cb, void *cb_ctx)
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{
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struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
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uint64_t nbytes = SPDK_ALIGN_CEIL(sb->length, spdk_bdev_get_block_size(bdev));
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struct raid_bdev_save_sb_ctx *ctx;
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int rc;
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ctx = calloc(1, sizeof(*ctx));
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if (!ctx) {
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return -ENOMEM;
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}
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ctx->cb = cb;
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ctx->cb_ctx = cb_ctx;
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rc = spdk_bdev_write(desc, ch, (void *)sb, 0, nbytes, raid_bdev_write_sb_cb, ctx);
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if (rc) {
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free(ctx);
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}
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return rc;
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}
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void
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raid_bdev_sb_update_crc(struct raid_bdev_superblock *sb)
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{
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sb->crc = 0;
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sb->crc = spdk_crc32c_update(sb, sb->length, 0);
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}
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SPDK_LOG_REGISTER_COMPONENT(bdev_raid_sb)
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