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Spdk/lib/ublk/ublk_internal.h

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ublk: add ublk target creation and destruction Add rpc methond for ublk target creation and destruction. Before to add ublk device, need to initialize ublk target to create ublk threads, corresponding an rpc methond to destroy ublk target is also added. It will deinitialize ublk target and release all ublk devices. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I5db0cf9cc68745440df999169aa1c61111010e02 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15962 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
2022-12-15 08:51:18 +00:00
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (C) 2022 Intel Corporation.
* All rights reserved.
*/
/** \file
* Userspace block device layer
*/
#ifndef SPDK_UBLK_INTERNAL_H
#define SPDK_UBLK_INTERNAL_H
#include "spdk/ublk.h"
ublk: add ublk to export block device 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>
2022-12-16 02:04:37 +00:00
#define UBLK_DEV_QUEUE_DEPTH 128
#define UBLK_DEV_NUM_QUEUE 1
ublk: add ublk target creation and destruction Add rpc methond for ublk target creation and destruction. Before to add ublk device, need to initialize ublk target to create ublk threads, corresponding an rpc methond to destroy ublk target is also added. It will deinitialize ublk target and release all ublk devices. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I5db0cf9cc68745440df999169aa1c61111010e02 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15962 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
2022-12-15 08:51:18 +00:00
#ifdef __cplusplus
extern "C" {
#endif
ublk: turn ublk_start_disk in async Since ublk_start_disk internally runs ublk_ctrl_cmd asynchorously, the result should be returned after the whole process of ublk_start_disk is completed. Add a callback into ublk_start_disk parameter, and change rpc_ublk_start_disk to send response in callback. Change-Id: Icc0d9e8cb81f2b67bf99fdead423bfe8159714bc Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16500 Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2023-01-25 12:56:58 +00:00
typedef void (*ublk_start_cb)(void *cb_arg, int result);
ublk: add ublk to export block device 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>
2022-12-16 02:04:37 +00:00
typedef void (*ublk_del_cb)(void *cb_arg);
ublk: add ublk target creation and destruction Add rpc methond for ublk target creation and destruction. Before to add ublk device, need to initialize ublk target to create ublk threads, corresponding an rpc methond to destroy ublk target is also added. It will deinitialize ublk target and release all ublk devices. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I5db0cf9cc68745440df999169aa1c61111010e02 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15962 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
2022-12-15 08:51:18 +00:00
int ublk_create_target(const char *cpumask_str);
int ublk_destroy_target(spdk_ublk_fini_cb cb_fn, void *cb_arg);
ublk: add ublk to export block device 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>
2022-12-16 02:04:37 +00:00
int ublk_start_disk(const char *bdev_name, uint32_t ublk_id,
ublk: turn ublk_start_disk in async Since ublk_start_disk internally runs ublk_ctrl_cmd asynchorously, the result should be returned after the whole process of ublk_start_disk is completed. Add a callback into ublk_start_disk parameter, and change rpc_ublk_start_disk to send response in callback. Change-Id: Icc0d9e8cb81f2b67bf99fdead423bfe8159714bc Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16500 Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2023-01-25 12:56:58 +00:00
uint32_t num_queues, uint32_t queue_depth,
ublk_start_cb start_cb, void *cb_arg);
ublk: add ublk to export block device 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>
2022-12-16 02:04:37 +00:00
int ublk_stop_disk(uint32_t ublk_id, ublk_del_cb del_cb, void *cb_arg);
struct spdk_ublk_dev *ublk_dev_find_by_id(uint32_t ublk_id);
ublk: add an rpc method to get current ublk devices Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I3fdf9795b90d7a30478ba81d8144bbf2f1cbdd2a Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15987 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
2022-12-16 08:40:11 +00:00
uint32_t ublk_dev_get_id(struct spdk_ublk_dev *ublk);
ublk: add ublk to export block device 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>
2022-12-16 02:04:37 +00:00
const char *ublk_dev_get_bdev_name(struct spdk_ublk_dev *ublk);
ublk: add an rpc method to get current ublk devices Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I3fdf9795b90d7a30478ba81d8144bbf2f1cbdd2a Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15987 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
2022-12-16 08:40:11 +00:00
struct spdk_ublk_dev *ublk_dev_first(void);
struct spdk_ublk_dev *ublk_dev_next(struct spdk_ublk_dev *prev);
uint32_t ublk_dev_get_queue_depth(struct spdk_ublk_dev *ublk);
uint32_t ublk_dev_get_num_queues(struct spdk_ublk_dev *ublk);
ublk: add ublk target creation and destruction Add rpc methond for ublk target creation and destruction. Before to add ublk device, need to initialize ublk target to create ublk threads, corresponding an rpc methond to destroy ublk target is also added. It will deinitialize ublk target and release all ublk devices. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I5db0cf9cc68745440df999169aa1c61111010e02 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15962 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
2022-12-15 08:51:18 +00:00
#ifdef __cplusplus
}
#endif
#endif /* SPDK_UBLK_INTERNAL_H */
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