e8a94a7122
ublk could export a backend device as ublk block device (/dev/ublkb*). A rpc method is used to add ublk device and it should be done after creating ublk target. Corresponding, ublk_del_dev is used to delete the specified ublk device. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I3a4ba8d8dc5f5ad241511ccbc9d3336b582a6dc5 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15976 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com>
35 lines
877 B
C
35 lines
877 B
C
/* 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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/** \file
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* Userspace block device layer
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*/
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#ifndef SPDK_UBLK_INTERNAL_H
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#define SPDK_UBLK_INTERNAL_H
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#include "spdk/ublk.h"
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#define UBLK_DEV_QUEUE_DEPTH 128
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#define UBLK_DEV_NUM_QUEUE 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*ublk_del_cb)(void *cb_arg);
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int ublk_create_target(const char *cpumask_str);
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int ublk_destroy_target(spdk_ublk_fini_cb cb_fn, void *cb_arg);
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int ublk_start_disk(const char *bdev_name, uint32_t ublk_id,
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uint32_t num_queues, uint32_t queue_depth);
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int ublk_stop_disk(uint32_t ublk_id, ublk_del_cb del_cb, void *cb_arg);
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struct spdk_ublk_dev *ublk_dev_find_by_id(uint32_t ublk_id);
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const char *ublk_dev_get_bdev_name(struct spdk_ublk_dev *ublk);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SPDK_UBLK_INTERNAL_H */
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