xref: /spdk/scripts/rpc.py (revision fe7bb7bdf652057795d1e897c5b2021471fc5996)
1#!/usr/bin/env python3
2#  SPDX-License-Identifier: BSD-3-Clause
3#  Copyright (C) 2016 Intel Corporation
4#  All rights reserved.
5#  Copyright (c) 2022 Dell Inc, or its subsidiaries.
6#  Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
7#
8
9import logging
10import argparse
11import importlib
12import os
13import sys
14import shlex
15import json
16
17try:
18    from shlex import quote
19except ImportError:
20    from pipes import quote
21
22sys.path.append(os.path.dirname(__file__) + '/../python')
23
24import spdk.rpc as rpc  # noqa
25from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
26from spdk.rpc.helpers import deprecated_aliases  # noqa
27
28
29def print_array(a):
30    print(" ".join((quote(v) for v in a)))
31
32
33if __name__ == "__main__":
34    parser = argparse.ArgumentParser(
35        description='SPDK RPC command line interface', usage='%(prog)s [options]')
36    parser.add_argument('-s', dest='server_addr',
37                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
38    parser.add_argument('-p', dest='port',
39                        help='RPC port number (if server_addr is IP address)',
40                        default=5260, type=int)
41    parser.add_argument('-t', dest='timeout',
42                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
43                        default=None, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent,
98                        subsystems=args.subsystems)
99
100    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
101    """)
102    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
103    """, type=int, default=2)
104    p.add_argument('-s', '--subsystems', help="""Comma-separated list of subsystems (and their dependencies) to save""")
105    p.set_defaults(func=save_config)
106
107    def load_config(args):
108        rpc.load_config(args.client, args.json_conf,
109                        include_aliases=args.include_aliases)
110
111    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
112    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
113    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
114    p.set_defaults(func=load_config)
115
116    def save_subsystem_config(args):
117        rpc.save_subsystem_config(args.client,
118                                  sys.stdout,
119                                  indent=args.indent,
120                                  name=args.name)
121
122    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
123    """)
124    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
125    """, type=int, default=2)
126    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
127    p.set_defaults(func=save_subsystem_config)
128
129    def load_subsystem_config(args):
130        rpc.load_subsystem_config(args.client,
131                                  args.json_conf)
132
133    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
134    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
135    p.set_defaults(func=load_subsystem_config)
136
137    # app
138    def spdk_kill_instance(args):
139        rpc.app.spdk_kill_instance(args.client,
140                                   sig_name=args.sig_name)
141
142    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
143    p.add_argument('sig_name', help='signal will be sent to server.')
144    p.set_defaults(func=spdk_kill_instance)
145
146    def framework_monitor_context_switch(args):
147        enabled = None
148        if args.enable:
149            enabled = True
150        if args.disable:
151            enabled = False
152        print_dict(rpc.app.framework_monitor_context_switch(args.client,
153                                                            enabled=enabled))
154
155    p = subparsers.add_parser('framework_monitor_context_switch',
156                              help='Control whether the context switch monitor is enabled')
157    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
158    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
159    p.set_defaults(func=framework_monitor_context_switch)
160
161    def framework_get_reactors(args):
162        print_dict(rpc.app.framework_get_reactors(args.client))
163
164    p = subparsers.add_parser(
165        'framework_get_reactors', help='Display list of all reactors')
166    p.set_defaults(func=framework_get_reactors)
167
168    def framework_set_scheduler(args):
169        rpc.app.framework_set_scheduler(args.client,
170                                        name=args.name,
171                                        period=args.period,
172                                        load_limit=args.load_limit,
173                                        core_limit=args.core_limit,
174                                        core_busy=args.core_busy)
175
176    p = subparsers.add_parser(
177        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
178    p.add_argument('name', help="Name of a scheduler")
179    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
180    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
181    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
182    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic scheduler", type=int)
183    p.set_defaults(func=framework_set_scheduler)
184
185    def framework_get_scheduler(args):
186        print_dict(rpc.app.framework_get_scheduler(args.client))
187
188    p = subparsers.add_parser(
189        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
190    p.set_defaults(func=framework_get_scheduler)
191
192    def framework_get_governor(args):
193        print_dict(rpc.app.framework_get_governor(args.client))
194
195    p = subparsers.add_parser(
196        'framework_get_governor', help='Display currently set governor and the available, set CPU frequencies.')
197    p.set_defaults(func=framework_get_governor)
198
199    def scheduler_set_options(args):
200        rpc.app.scheduler_set_options(args.client,
201                                      isolated_core_mask=args.isolated_core_mask,
202                                      scheduling_core=args.scheduling_core)
203    p = subparsers.add_parser('scheduler_set_options', help='Set scheduler options')
204    p.add_argument('-i', '--isolated-core-mask', help="Mask of CPU cores to isolate from scheduling change", type=str)
205    p.add_argument('-s', '--scheduling-core', help="Scheduler scheduling core. Idle threads will move to scheduling core."
206                   "Reserved for dynamic scheduler.", type=int)
207    p.set_defaults(func=scheduler_set_options)
208
209    def framework_disable_cpumask_locks(args):
210        rpc.framework_disable_cpumask_locks(args.client)
211
212    p = subparsers.add_parser('framework_disable_cpumask_locks',
213                              help='Disable CPU core lock files.')
214    p.set_defaults(func=framework_disable_cpumask_locks)
215
216    def framework_enable_cpumask_locks(args):
217        rpc.framework_enable_cpumask_locks(args.client)
218
219    p = subparsers.add_parser('framework_enable_cpumask_locks',
220                              help='Enable CPU core lock files.')
221    p.set_defaults(func=framework_enable_cpumask_locks)
222
223    # bdev
224    def bdev_set_options(args):
225        rpc.bdev.bdev_set_options(args.client,
226                                  bdev_io_pool_size=args.bdev_io_pool_size,
227                                  bdev_io_cache_size=args.bdev_io_cache_size,
228                                  bdev_auto_examine=args.bdev_auto_examine,
229                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
230                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
231
232    p = subparsers.add_parser('bdev_set_options',
233                              help="""Set options of bdev subsystem""")
234    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
235    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
236    group = p.add_mutually_exclusive_group()
237    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
238    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
239    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
240    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
241    p.set_defaults(bdev_auto_examine=True)
242    p.set_defaults(func=bdev_set_options)
243
244    def bdev_examine(args):
245        rpc.bdev.bdev_examine(args.client,
246                              name=args.name)
247
248    p = subparsers.add_parser('bdev_examine',
249                              help="""examine a bdev if it exists, or will examine it after it is created""")
250    p.add_argument('-b', '--name', help='Name or alias of the bdev')
251    p.set_defaults(func=bdev_examine)
252
253    def bdev_wait_for_examine(args):
254        rpc.bdev.bdev_wait_for_examine(args.client)
255
256    p = subparsers.add_parser('bdev_wait_for_examine',
257                              help="""Report when all bdevs have been examined""")
258    p.set_defaults(func=bdev_wait_for_examine)
259
260    def bdev_compress_create(args):
261        print_json(rpc.bdev.bdev_compress_create(args.client,
262                                                 base_bdev_name=args.base_bdev_name,
263                                                 pm_path=args.pm_path,
264                                                 lb_size=args.lb_size,
265                                                 comp_algo=args.comp_algo,
266                                                 comp_level=args.comp_level))
267
268    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
269    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev", required=True)
270    p.add_argument('-p', '--pm-path', help="Path to persistent memory", required=True)
271    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
272    p.add_argument('-c', '--comp-algo', help='Compression algorithm, (deflate, lz4). Default is deflate')
273    p.add_argument('-L', '--comp-level',
274                   help="""Compression algorithm level.
275                   if algo == deflate, level ranges from 0 to 3.
276                   if algo == lz4, level ranges from 1 to 65537""",
277                   default=1, type=int)
278    p.set_defaults(func=bdev_compress_create)
279
280    def bdev_compress_delete(args):
281        rpc.bdev.bdev_compress_delete(args.client,
282                                      name=args.name)
283
284    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
285    p.add_argument('name', help='compress bdev name')
286    p.set_defaults(func=bdev_compress_delete)
287
288    def bdev_compress_get_orphans(args):
289        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
290                                                      name=args.name))
291    p = subparsers.add_parser(
292        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
293    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
294    p.set_defaults(func=bdev_compress_get_orphans)
295
296    def bdev_crypto_create(args):
297        print_json(rpc.bdev.bdev_crypto_create(args.client,
298                                               base_bdev_name=args.base_bdev_name,
299                                               name=args.name,
300                                               crypto_pmd=args.crypto_pmd,
301                                               key=args.key,
302                                               cipher=args.cipher,
303                                               key2=args.key2,
304                                               key_name=args.key_name))
305    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
306    p.add_argument('base_bdev_name', help="Name of the base bdev")
307    p.add_argument('name', help="Name of the crypto vbdev")
308    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
309    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
310    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
311    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
312    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
313    p.set_defaults(func=bdev_crypto_create)
314
315    def bdev_crypto_delete(args):
316        rpc.bdev.bdev_crypto_delete(args.client,
317                                    name=args.name)
318
319    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
320    p.add_argument('name', help='crypto bdev name')
321    p.set_defaults(func=bdev_crypto_delete)
322
323    def bdev_ocf_create(args):
324        print_json(rpc.bdev.bdev_ocf_create(args.client,
325                                            name=args.name,
326                                            mode=args.mode,
327                                            cache_line_size=args.cache_line_size,
328                                            cache_bdev_name=args.cache_bdev_name,
329                                            core_bdev_name=args.core_bdev_name))
330    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
331    p.add_argument('name', help='Name of resulting OCF bdev')
332    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
333    p.add_argument(
334        '--cache-line-size',
335        help='OCF cache line size. The unit is KiB',
336        type=int,
337        choices=[4, 8, 16, 32, 64]
338    )
339    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
340    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
341    p.set_defaults(func=bdev_ocf_create)
342
343    def bdev_ocf_delete(args):
344        rpc.bdev.bdev_ocf_delete(args.client,
345                                 name=args.name)
346
347    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
348    p.add_argument('name', help='Name of OCF bdev')
349    p.set_defaults(func=bdev_ocf_delete)
350
351    def bdev_ocf_get_stats(args):
352        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
353                                               name=args.name))
354    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
355    p.add_argument('name', help='Name of OCF bdev')
356    p.set_defaults(func=bdev_ocf_get_stats)
357
358    def bdev_ocf_reset_stats(args):
359        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
360                                                 name=args.name))
361    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
362    p.add_argument('name', help='Name of OCF bdev')
363    p.set_defaults(func=bdev_ocf_reset_stats)
364
365    def bdev_ocf_get_bdevs(args):
366        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
367                                               name=args.name))
368    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
369    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
370    p.set_defaults(func=bdev_ocf_get_bdevs)
371
372    def bdev_ocf_set_cache_mode(args):
373        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
374                                                    name=args.name,
375                                                    mode=args.mode))
376    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
377                              help='Set cache mode of OCF block device')
378    p.add_argument('name', help='Name of OCF bdev')
379    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
380    p.set_defaults(func=bdev_ocf_set_cache_mode)
381
382    def bdev_ocf_set_seqcutoff(args):
383        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
384                                        name=args.name,
385                                        policy=args.policy,
386                                        threshold=args.threshold,
387                                        promotion_count=args.promotion_count)
388    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
389                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
390    p.add_argument('name', help='Name of OCF cache bdev')
391    p.add_argument('-t', '--threshold', type=int,
392                   help='Activation threshold [KiB]')
393    p.add_argument('-c', '--promotion-count', type=int,
394                   help='Promotion request count')
395    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
396                   help='Sequential cutoff policy')
397    p.set_defaults(func=bdev_ocf_set_seqcutoff)
398
399    def bdev_ocf_flush_start(args):
400        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
401    p = subparsers.add_parser('bdev_ocf_flush_start',
402                              help='Start flushing OCF cache device')
403    p.add_argument('name', help='Name of OCF bdev')
404    p.set_defaults(func=bdev_ocf_flush_start)
405
406    def bdev_ocf_flush_status(args):
407        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
408    p = subparsers.add_parser('bdev_ocf_flush_status',
409                              help='Get flush status of OCF cache device')
410    p.add_argument('name', help='Name of OCF bdev')
411    p.set_defaults(func=bdev_ocf_flush_status)
412
413    def bdev_malloc_create(args):
414        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
415        print_json(rpc.bdev.bdev_malloc_create(args.client,
416                                               num_blocks=int(num_blocks),
417                                               block_size=args.block_size,
418                                               physical_block_size=args.physical_block_size,
419                                               name=args.name,
420                                               uuid=args.uuid,
421                                               optimal_io_boundary=args.optimal_io_boundary,
422                                               md_size=args.md_size,
423                                               md_interleave=args.md_interleave,
424                                               dif_type=args.dif_type,
425                                               dif_is_head_of_md=args.dif_is_head_of_md,
426                                               dif_pi_format=args.dif_pi_format))
427    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
428    p.add_argument('-b', '--name', help="Name of the bdev")
429    p.add_argument('-u', '--uuid', help="UUID of the bdev (optional)")
430    p.add_argument(
431        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
432    p.add_argument('block_size', help='Data block size for this bdev', type=int)
433    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
434    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
435    blocks, default 0 (disabled)""", type=int)
436    p.add_argument('-m', '--md-size', type=int,
437                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
438    p.add_argument('-i', '--md-interleave', action='store_true',
439                   help='Metadata location, interleaved if set, and separated if omitted.')
440    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
441                   help='Protection information type. Parameter --md-size needs'
442                        'to be set along --dif-type. Default=0 - no protection.')
443    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
444                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
445    p.add_argument('-f', '--dif-pi-format', type=int, choices=[0, 1, 2],
446                   help='Protection infromation format. Parameter --dif-type needs to be set together.'
447                        '0=16b Guard PI, 1=32b Guard PI, 2=64b Guard PI. Default=0.')
448    p.set_defaults(func=bdev_malloc_create)
449
450    def bdev_malloc_delete(args):
451        rpc.bdev.bdev_malloc_delete(args.client,
452                                    name=args.name)
453
454    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
455    p.add_argument('name', help='malloc bdev name')
456    p.set_defaults(func=bdev_malloc_delete)
457
458    def bdev_null_create(args):
459        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
460        if args.dif_type and not args.md_size:
461            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
462            exit(1)
463        print_json(rpc.bdev.bdev_null_create(args.client,
464                                             num_blocks=num_blocks,
465                                             block_size=args.block_size,
466                                             physical_block_size=args.physical_block_size,
467                                             name=args.name,
468                                             uuid=args.uuid,
469                                             md_size=args.md_size,
470                                             dif_type=args.dif_type,
471                                             dif_is_head_of_md=args.dif_is_head_of_md,
472                                             dif_pi_format=args.dif_pi_format))
473
474    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
475    p.add_argument('name', help='Block device name')
476    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
477    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
478    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
479    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
480    p.add_argument('-m', '--md-size', type=int,
481                   help='Metadata size for this bdev. Default=0.')
482    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
483                   help='Protection information type. Parameter --md-size needs'
484                        'to be set along --dif-type. Default=0 - no protection.')
485    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
486                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
487    p.add_argument('-f', '--dif-pi-format', type=int, choices=[0, 1, 2],
488                   help='Protection infromation format. Parameter --dif-type needs to be set together.'
489                        '0=16b Guard PI, 1=32b Guard PI, 2=64b Guard PI. Default=0.')
490    p.set_defaults(func=bdev_null_create)
491
492    def bdev_null_delete(args):
493        rpc.bdev.bdev_null_delete(args.client,
494                                  name=args.name)
495
496    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
497    p.add_argument('name', help='null bdev name')
498    p.set_defaults(func=bdev_null_delete)
499
500    def bdev_null_resize(args):
501        print_json(rpc.bdev.bdev_null_resize(args.client,
502                                             name=args.name,
503                                             new_size=int(args.new_size)))
504
505    p = subparsers.add_parser('bdev_null_resize',
506                              help='Resize a null bdev')
507    p.add_argument('name', help='null bdev name')
508    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
509    p.set_defaults(func=bdev_null_resize)
510
511    def bdev_aio_create(args):
512        print_json(rpc.bdev.bdev_aio_create(args.client,
513                                            filename=args.filename,
514                                            name=args.name,
515                                            block_size=args.block_size,
516                                            readonly=args.readonly,
517                                            fallocate=args.fallocate,
518                                            uuid=args.uuid))
519
520    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
521    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
522    p.add_argument('name', help='Block device name')
523    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
524    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
525    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
526    p.add_argument('-u', '--uuid', help="UUID of the bdev (optional)")
527    p.set_defaults(func=bdev_aio_create)
528
529    def bdev_aio_rescan(args):
530        print_json(rpc.bdev.bdev_aio_rescan(args.client,
531                                            name=args.name))
532
533    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
534    p.add_argument('name', help='Block device name')
535    p.set_defaults(func=bdev_aio_rescan)
536
537    def bdev_aio_delete(args):
538        rpc.bdev.bdev_aio_delete(args.client,
539                                 name=args.name)
540
541    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
542    p.add_argument('name', help='aio bdev name')
543    p.set_defaults(func=bdev_aio_delete)
544
545    def bdev_uring_create(args):
546        print_json(rpc.bdev.bdev_uring_create(args.client,
547                                              filename=args.filename,
548                                              name=args.name,
549                                              block_size=args.block_size,
550                                              uuid=args.uuid))
551
552    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
553    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
554    p.add_argument('name', help='bdev name')
555    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
556    p.add_argument('-u', '--uuid', help="UUID of the bdev")
557    p.set_defaults(func=bdev_uring_create)
558
559    def bdev_uring_rescan(args):
560        print_json(rpc.bdev.bdev_uring_rescan(args.client,
561                                              name=args.name))
562
563    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
564    p.add_argument('name', help='Block device name')
565    p.set_defaults(func=bdev_uring_rescan)
566
567    def bdev_uring_delete(args):
568        rpc.bdev.bdev_uring_delete(args.client,
569                                   name=args.name)
570
571    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
572    p.add_argument('name', help='uring bdev name')
573    p.set_defaults(func=bdev_uring_delete)
574
575    def bdev_xnvme_create(args):
576        print_json(rpc.bdev.bdev_xnvme_create(args.client,
577                                              filename=args.filename,
578                                              name=args.name,
579                                              io_mechanism=args.io_mechanism))
580
581    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
582    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
583    p.add_argument('name', help='name of xNVMe bdev to create')
584    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
585    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
586    p.set_defaults(func=bdev_xnvme_create)
587
588    def bdev_xnvme_delete(args):
589        rpc.bdev.bdev_xnvme_delete(args.client,
590                                   name=args.name)
591
592    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
593    p.add_argument('name', help='xNVMe bdev name')
594    p.set_defaults(func=bdev_xnvme_delete)
595
596    def bdev_nvme_set_options(args):
597        rpc.bdev.bdev_nvme_set_options(args.client,
598                                       action_on_timeout=args.action_on_timeout,
599                                       timeout_us=args.timeout_us,
600                                       timeout_admin_us=args.timeout_admin_us,
601                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
602                                       arbitration_burst=args.arbitration_burst,
603                                       low_priority_weight=args.low_priority_weight,
604                                       medium_priority_weight=args.medium_priority_weight,
605                                       high_priority_weight=args.high_priority_weight,
606                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
607                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
608                                       io_queue_requests=args.io_queue_requests,
609                                       delay_cmd_submit=args.delay_cmd_submit,
610                                       transport_retry_count=args.transport_retry_count,
611                                       bdev_retry_count=args.bdev_retry_count,
612                                       transport_ack_timeout=args.transport_ack_timeout,
613                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
614                                       reconnect_delay_sec=args.reconnect_delay_sec,
615                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
616                                       disable_auto_failback=args.disable_auto_failback,
617                                       generate_uuids=args.generate_uuids,
618                                       transport_tos=args.transport_tos,
619                                       nvme_error_stat=args.nvme_error_stat,
620                                       rdma_srq_size=args.rdma_srq_size,
621                                       io_path_stat=args.io_path_stat,
622                                       allow_accel_sequence=args.allow_accel_sequence,
623                                       rdma_max_cq_size=args.rdma_max_cq_size,
624                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
625                                       dhchap_digests=args.dhchap_digests,
626                                       dhchap_dhgroups=args.dhchap_dhgroups)
627
628    p = subparsers.add_parser('bdev_nvme_set_options',
629                              help='Set options for the bdev nvme type. This is startup command.')
630    p.add_argument('-a', '--action-on-timeout',
631                   help="Action to take on command time out. Valid values are: none, reset, abort")
632    p.add_argument('-t', '--timeout-us',
633                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
634    p.add_argument('--timeout-admin-us',
635                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
636    p.add_argument('-k', '--keep-alive-timeout-ms',
637                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
638    p.add_argument('--arbitration-burst',
639                   help='the value is expressed as a power of two', type=int)
640    p.add_argument('--low-priority-weight',
641                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
642    p.add_argument('--medium-priority-weight',
643                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
644    p.add_argument('--high-priority-weight',
645                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
646    p.add_argument('-p', '--nvme-adminq-poll-period-us',
647                   help='How often the admin queue is polled for asynchronous events', type=int)
648    p.add_argument('-i', '--nvme-ioq-poll-period-us',
649                   help='How often to poll I/O queues for completions', type=int)
650    p.add_argument('-s', '--io-queue-requests',
651                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
652    p.add_argument('-d', '--disable-delay-cmd-submit',
653                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
654                   action='store_false', dest='delay_cmd_submit')
655    p.add_argument('-c', '--transport-retry-count',
656                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
657    p.add_argument('-r', '--bdev-retry-count',
658                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
659    p.add_argument('-e', '--transport-ack-timeout',
660                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
661                   Range 0-31 where 0 is driver-specific default value.""", type=int)
662    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
663                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
664                   -1 means infinite reconnect retries. 0 means no reconnect retry.
665                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
666                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
667                   reconnect_delay_sec.
668                   This can be overridden by bdev_nvme_attach_controller.""",
669                   type=int)
670    p.add_argument('-o', '--reconnect-delay-sec',
671                   help="""Time to delay a reconnect retry.
672                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
673                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
674                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
675                   less than ctrlr_loss_timeout_sec.
676                   This can be overridden by bdev_nvme_attach_controller.""",
677                   type=int)
678    p.add_argument('-u', '--fast-io-fail-timeout-sec',
679                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
680                   0 means no such timeout.
681                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
682                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
683                   This can be overridden by bdev_nvme_attach_controller.""",
684                   type=int)
685    p.add_argument('-f', '--disable-auto-failback',
686                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
687                   By default, immediately failback to the preferred I/O path if it restored.""",
688                   action='store_true')
689    p.add_argument('--generate-uuids',
690                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
691                   not provide UUID themselves. These strings are based on device serial number and
692                   namespace ID and will always be the same for that device.""", action='store_true')
693    p.add_argument('--transport-tos',
694                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
695                   The default is 0 which means no TOS is applied.""", type=int)
696    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
697    p.add_argument('-q', '--rdma-srq-size',
698                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
699    p.add_argument('--io-path-stat',
700                   help="""Enable collecting I/O path stat of each io path.""",
701                   action='store_true')
702    p.add_argument('--allow-accel-sequence',
703                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
704                   controller also supports them.''', action='store_true')
705    p.add_argument('--rdma-max-cq-size',
706                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
707    p.add_argument('--rdma-cm-event-timeout-ms',
708                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
709    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
710                   type=lambda d: d.split(','))
711    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
712                   type=lambda d: d.split(','))
713
714    p.set_defaults(func=bdev_nvme_set_options)
715
716    def bdev_nvme_set_hotplug(args):
717        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
718
719    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
720    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
721    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
722    p.add_argument('-r', '--period-us',
723                   help='How often the hotplug is processed for insert and remove events', type=int)
724    p.set_defaults(func=bdev_nvme_set_hotplug)
725
726    def bdev_nvme_attach_controller(args):
727        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
728                                                         name=args.name,
729                                                         trtype=args.trtype,
730                                                         traddr=args.traddr,
731                                                         adrfam=args.adrfam,
732                                                         trsvcid=args.trsvcid,
733                                                         priority=args.priority,
734                                                         subnqn=args.subnqn,
735                                                         hostnqn=args.hostnqn,
736                                                         hostaddr=args.hostaddr,
737                                                         hostsvcid=args.hostsvcid,
738                                                         prchk_reftag=args.prchk_reftag,
739                                                         prchk_guard=args.prchk_guard,
740                                                         hdgst=args.hdgst,
741                                                         ddgst=args.ddgst,
742                                                         fabrics_connect_timeout_us=args.fabrics_connect_timeout_us,
743                                                         multipath=args.multipath,
744                                                         num_io_queues=args.num_io_queues,
745                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
746                                                         reconnect_delay_sec=args.reconnect_delay_sec,
747                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
748                                                         psk=args.psk,
749                                                         max_bdevs=args.max_bdevs,
750                                                         dhchap_key=args.dhchap_key,
751                                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key,
752                                                         allow_unrecognized_csi=args.allow_unrecognized_csi))
753
754    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
755    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
756    p.add_argument('-t', '--trtype',
757                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
758    p.add_argument('-a', '--traddr',
759                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
760    p.add_argument('-f', '--adrfam',
761                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
762    p.add_argument('-s', '--trsvcid',
763                   help='NVMe-oF target trsvcid: e.g., a port number')
764    p.add_argument('-p', '--priority',
765                   help='NVMe-oF connection priority: e.g., a priority number')
766    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
767    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
768    p.add_argument('-i', '--hostaddr',
769                   help='NVMe-oF host address: e.g., an ip address')
770    p.add_argument('-c', '--hostsvcid',
771                   help='NVMe-oF host svcid: e.g., a port number')
772    p.add_argument('-r', '--prchk-reftag',
773                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
774    p.add_argument('-g', '--prchk-guard',
775                   help='Enable checking of PI guard for I/O processing.', action='store_true')
776    p.add_argument('-e', '--hdgst',
777                   help='Enable TCP header digest.', action='store_true')
778    p.add_argument('-d', '--ddgst',
779                   help='Enable TCP data digest.', action='store_true')
780    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds',
781                   dest="fabrics_connect_timeout_us")
782    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
783    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
784    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
785                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
786                   -1 means infinite reconnect retries. 0 means no reconnect retry.
787                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
788                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
789                   reconnect_delay_sec.""",
790                   type=int)
791    p.add_argument('-o', '--reconnect-delay-sec',
792                   help="""Time to delay a reconnect retry.
793                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
794                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
795                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
796                   less than ctrlr_loss_timeout_sec.""",
797                   type=int)
798    p.add_argument('-u', '--fast-io-fail-timeout-sec',
799                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
800                   0 means no such timeout.
801                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
802                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
803                   type=int)
804    p.add_argument('-k', '--psk',
805                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
806                   name of a key attached to the keyring or a path to a file containing the key.  The
807                   latter method is deprecated.""")
808    p.add_argument('-m', '--max-bdevs', type=int,
809                   help='The size of the name array for newly created bdevs. Default is 128',)
810    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
811    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
812    p.add_argument('-U', '--allow-unrecognized-csi', help="""Allow attaching namespaces with unrecognized command set identifiers.
813                   These will only support NVMe passthrough.""", action='store_true')
814
815    p.set_defaults(func=bdev_nvme_attach_controller)
816
817    def bdev_nvme_get_controllers(args):
818        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
819                                                      name=args.name))
820
821    p = subparsers.add_parser(
822        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
823    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
824    p.set_defaults(func=bdev_nvme_get_controllers)
825
826    def bdev_nvme_detach_controller(args):
827        rpc.bdev.bdev_nvme_detach_controller(args.client,
828                                             name=args.name,
829                                             trtype=args.trtype,
830                                             traddr=args.traddr,
831                                             adrfam=args.adrfam,
832                                             trsvcid=args.trsvcid,
833                                             subnqn=args.subnqn,
834                                             hostaddr=args.hostaddr,
835                                             hostsvcid=args.hostsvcid)
836
837    p = subparsers.add_parser('bdev_nvme_detach_controller',
838                              help='Detach an NVMe controller and delete any associated bdevs')
839    p.add_argument('name', help="Name of the controller")
840    p.add_argument('-t', '--trtype',
841                   help='NVMe-oF target trtype: e.g., rdma, pcie')
842    p.add_argument('-a', '--traddr',
843                   help='NVMe-oF target address: e.g., an ip address or BDF')
844    p.add_argument('-f', '--adrfam',
845                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
846    p.add_argument('-s', '--trsvcid',
847                   help='NVMe-oF target trsvcid: e.g., a port number')
848    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
849    p.add_argument('-i', '--hostaddr',
850                   help='NVMe-oF host address: e.g., an ip address')
851    p.add_argument('-c', '--hostsvcid',
852                   help='NVMe-oF host svcid: e.g., a port number')
853    p.set_defaults(func=bdev_nvme_detach_controller)
854
855    def bdev_nvme_reset_controller(args):
856        rpc.bdev.bdev_nvme_reset_controller(args.client,
857                                            name=args.name,
858                                            cntlid=args.cntlid)
859
860    p = subparsers.add_parser('bdev_nvme_reset_controller',
861                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
862    p.add_argument('name', help="Name of the NVMe controller")
863    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
864    p.set_defaults(func=bdev_nvme_reset_controller)
865
866    def bdev_nvme_enable_controller(args):
867        rpc.bdev.bdev_nvme_enable_controller(args.client,
868                                             name=args.name,
869                                             cntlid=args.cntlid)
870
871    p = subparsers.add_parser('bdev_nvme_enable_controller',
872                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
873    p.add_argument('name', help="Name of the NVMe controller")
874    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
875    p.set_defaults(func=bdev_nvme_enable_controller)
876
877    def bdev_nvme_disable_controller(args):
878        rpc.bdev.bdev_nvme_disable_controller(args.client,
879                                              name=args.name,
880                                              cntlid=args.cntlid)
881
882    p = subparsers.add_parser('bdev_nvme_disable_controller',
883                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
884    p.add_argument('name', help="Name of the NVMe controller")
885    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
886    p.set_defaults(func=bdev_nvme_disable_controller)
887
888    def bdev_nvme_start_discovery(args):
889        rpc.bdev.bdev_nvme_start_discovery(args.client,
890                                           name=args.name,
891                                           trtype=args.trtype,
892                                           traddr=args.traddr,
893                                           adrfam=args.adrfam,
894                                           trsvcid=args.trsvcid,
895                                           hostnqn=args.hostnqn,
896                                           wait_for_attach=args.wait_for_attach,
897                                           attach_timeout_ms=args.attach_timeout_ms,
898                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
899                                           reconnect_delay_sec=args.reconnect_delay_sec,
900                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
901
902    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
903    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
904    p.add_argument('-t', '--trtype',
905                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
906    p.add_argument('-a', '--traddr',
907                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
908    p.add_argument('-f', '--adrfam',
909                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
910    p.add_argument('-s', '--trsvcid',
911                   help='NVMe-oF target trsvcid: e.g., a port number')
912    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
913    p.add_argument('-w', '--wait-for-attach', action='store_true',
914                   help='Do not complete RPC until all discovered NVM subsystems are attached')
915    p.add_argument('-T', '--attach-timeout-ms', type=int,
916                   help="""Time to wait until the discovery and all discovered NVM subsystems
917                        are attached (default: 0, meaning wait indefinitely).  Automatically
918                        selects the --wait-for-attach option.""")
919    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
920                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
921                   -1 means infinite reconnect retries. 0 means no reconnect retry.
922                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
923                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
924                   reconnect_delay_sec.""",
925                   type=int)
926    p.add_argument('-o', '--reconnect-delay-sec',
927                   help="""Time to delay a reconnect retry.
928                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
929                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
930                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
931                   less than ctrlr_loss_timeout_sec.""",
932                   type=int)
933    p.add_argument('-u', '--fast-io-fail-timeout-sec',
934                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
935                   0 means no such timeout.
936                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
937                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
938                   type=int)
939    p.set_defaults(func=bdev_nvme_start_discovery)
940
941    def bdev_nvme_stop_discovery(args):
942        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
943
944    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
945    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
946    p.set_defaults(func=bdev_nvme_stop_discovery)
947
948    def bdev_nvme_get_discovery_info(args):
949        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
950
951    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
952    p.set_defaults(func=bdev_nvme_get_discovery_info)
953
954    def bdev_nvme_get_io_paths(args):
955        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
956
957    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
958    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
959    p.set_defaults(func=bdev_nvme_get_io_paths)
960
961    def bdev_nvme_set_preferred_path(args):
962        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
963                                              name=args.name,
964                                              cntlid=args.cntlid)
965
966    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
967                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
968    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
969    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
970    p.set_defaults(func=bdev_nvme_set_preferred_path)
971
972    def bdev_nvme_set_multipath_policy(args):
973        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
974                                                name=args.name,
975                                                policy=args.policy,
976                                                selector=args.selector,
977                                                rr_min_io=args.rr_min_io)
978
979    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
980                              help="""Set multipath policy of the NVMe bdev""")
981    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
982    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
983    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
984    p.add_argument('-r', '--rr-min-io',
985                   help='Number of IO to route to a path before switching to another for round-robin',
986                   type=int)
987    p.set_defaults(func=bdev_nvme_set_multipath_policy)
988
989    def bdev_nvme_get_path_iostat(args):
990        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
991                                                      name=args.name))
992
993    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
994                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
995                              called when io_path_stat is true.""")
996    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
997    p.set_defaults(func=bdev_nvme_get_path_iostat)
998
999    def bdev_nvme_cuse_register(args):
1000        rpc.bdev.bdev_nvme_cuse_register(args.client,
1001                                         name=args.name)
1002
1003    p = subparsers.add_parser('bdev_nvme_cuse_register',
1004                              help='Register CUSE devices on NVMe controller')
1005    p.add_argument('-n', '--name',
1006                   help='Name of the NVMe controller. Example: Nvme0', required=True)
1007    p.set_defaults(func=bdev_nvme_cuse_register)
1008
1009    def bdev_nvme_cuse_unregister(args):
1010        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
1011                                           name=args.name)
1012
1013    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
1014                              help='Unregister CUSE devices on NVMe controller')
1015    p.add_argument('-n', '--name',
1016                   help='Name of the NVMe controller. Example: Nvme0', required=True)
1017    p.set_defaults(func=bdev_nvme_cuse_unregister)
1018
1019    def bdev_zone_block_create(args):
1020        print_json(rpc.bdev.bdev_zone_block_create(args.client,
1021                                                   name=args.name,
1022                                                   base_bdev=args.base_bdev,
1023                                                   zone_capacity=args.zone_capacity,
1024                                                   optimal_open_zones=args.optimal_open_zones))
1025
1026    p = subparsers.add_parser('bdev_zone_block_create',
1027                              help='Create virtual zone namespace device with block device backend')
1028    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
1029    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
1030    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
1031    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
1032    p.set_defaults(func=bdev_zone_block_create)
1033
1034    def bdev_zone_block_delete(args):
1035        rpc.bdev.bdev_zone_block_delete(args.client,
1036                                        name=args.name)
1037
1038    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
1039    p.add_argument('name', help='Virtual zone bdev name')
1040    p.set_defaults(func=bdev_zone_block_delete)
1041
1042    def bdev_rbd_register_cluster(args):
1043        config_param = None
1044        if args.config_param:
1045            config_param = {}
1046            for entry in args.config_param:
1047                parts = entry.split('=', 1)
1048                if len(parts) != 2:
1049                    raise Exception('--config %s not in key=value form' % entry)
1050                config_param[parts[0]] = parts[1]
1051        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1052                                                      name=args.name,
1053                                                      user_id=args.user,
1054                                                      config_param=config_param,
1055                                                      config_file=args.config_file,
1056                                                      key_file=args.key_file,
1057                                                      core_mask=args.core_mask))
1058
1059    p = subparsers.add_parser('bdev_rbd_register_cluster',
1060                              help='Add a Rados cluster with ceph rbd backend')
1061    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1062    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1063    p.add_argument('--config-param', action='append', metavar='key=value',
1064                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1065    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1066    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1067    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1068    p.set_defaults(func=bdev_rbd_register_cluster)
1069
1070    def bdev_rbd_unregister_cluster(args):
1071        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1072
1073    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1074                              help='Unregister a Rados cluster object')
1075    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1076    p.set_defaults(func=bdev_rbd_unregister_cluster)
1077
1078    def bdev_rbd_get_clusters_info(args):
1079        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1080
1081    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1082                              help='Display registered Rados Cluster names and related info')
1083    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1084    p.set_defaults(func=bdev_rbd_get_clusters_info)
1085
1086    def bdev_rbd_create(args):
1087        config = None
1088        if args.config:
1089            config = {}
1090            for entry in args.config:
1091                parts = entry.split('=', 1)
1092                if len(parts) != 2:
1093                    raise Exception('--config %s not in key=value form' % entry)
1094                config[parts[0]] = parts[1]
1095        print_json(rpc.bdev.bdev_rbd_create(args.client,
1096                                            name=args.name,
1097                                            user_id=args.user,
1098                                            config=config,
1099                                            pool_name=args.pool_name,
1100                                            rbd_name=args.rbd_name,
1101                                            block_size=args.block_size,
1102                                            cluster_name=args.cluster_name,
1103                                            uuid=args.uuid))
1104
1105    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1106    p.add_argument('-b', '--name', help="Name of the bdev")
1107    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1108    p.add_argument('--config', action='append', metavar='key=value',
1109                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1110    p.add_argument('pool_name', help='rbd pool name')
1111    p.add_argument('rbd_name', help='rbd image name')
1112    p.add_argument('block_size', help='rbd block size', type=int)
1113    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1114    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1115    p.set_defaults(func=bdev_rbd_create)
1116
1117    def bdev_rbd_delete(args):
1118        rpc.bdev.bdev_rbd_delete(args.client,
1119                                 name=args.name)
1120
1121    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1122    p.add_argument('name', help='rbd bdev name')
1123    p.set_defaults(func=bdev_rbd_delete)
1124
1125    def bdev_rbd_resize(args):
1126        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1127                                            name=args.name,
1128                                            new_size=int(args.new_size)))
1129
1130    p = subparsers.add_parser('bdev_rbd_resize',
1131                              help='Resize a rbd bdev')
1132    p.add_argument('name', help='rbd bdev name')
1133    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1134    p.set_defaults(func=bdev_rbd_resize)
1135
1136    def bdev_delay_create(args):
1137        print_json(rpc.bdev.bdev_delay_create(args.client,
1138                                              base_bdev_name=args.base_bdev_name,
1139                                              name=args.name,
1140                                              uuid=args.uuid,
1141                                              avg_read_latency=args.avg_read_latency,
1142                                              p99_read_latency=args.nine_nine_read_latency,
1143                                              avg_write_latency=args.avg_write_latency,
1144                                              p99_write_latency=args.nine_nine_write_latency))
1145
1146    p = subparsers.add_parser('bdev_delay_create',
1147                              help='Add a delay bdev on existing bdev')
1148    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1149    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1150    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1151    p.add_argument('-r', '--avg-read-latency',
1152                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1153    p.add_argument('-t', '--nine-nine-read-latency',
1154                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1155    p.add_argument('-w', '--avg-write-latency',
1156                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1157    p.add_argument('-n', '--nine-nine-write-latency',
1158                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1159    p.set_defaults(func=bdev_delay_create)
1160
1161    def bdev_delay_delete(args):
1162        rpc.bdev.bdev_delay_delete(args.client,
1163                                   name=args.name)
1164
1165    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1166    p.add_argument('name', help='delay bdev name')
1167    p.set_defaults(func=bdev_delay_delete)
1168
1169    def bdev_delay_update_latency(args):
1170        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1171                                                      delay_bdev_name=args.delay_bdev_name,
1172                                                      latency_type=args.latency_type,
1173                                                      latency_us=args.latency_us))
1174    p = subparsers.add_parser('bdev_delay_update_latency',
1175                              help='Update one of the latency values for a given delay bdev')
1176    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1177    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1178    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1179    p.set_defaults(func=bdev_delay_update_latency)
1180
1181    def bdev_error_create(args):
1182        print_json(rpc.bdev.bdev_error_create(args.client,
1183                                              base_name=args.base_name,
1184                                              uuid=args.uuid))
1185
1186    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1187    p.add_argument('base_name', help='base bdev name')
1188    p.add_argument('--uuid', help='UUID for this bdev')
1189    p.set_defaults(func=bdev_error_create)
1190
1191    def bdev_error_delete(args):
1192        rpc.bdev.bdev_error_delete(args.client,
1193                                   name=args.name)
1194
1195    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1196    p.add_argument('name', help='error bdev name')
1197    p.set_defaults(func=bdev_error_delete)
1198
1199    def bdev_iscsi_set_options(args):
1200        rpc.bdev.bdev_iscsi_set_options(args.client,
1201                                        timeout_sec=args.timeout_sec)
1202
1203    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1204    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1205    p.set_defaults(func=bdev_iscsi_set_options)
1206
1207    def bdev_iscsi_create(args):
1208        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1209                                              name=args.name,
1210                                              url=args.url,
1211                                              initiator_iqn=args.initiator_iqn))
1212
1213    p = subparsers.add_parser('bdev_iscsi_create',
1214                              help='Add bdev with iSCSI initiator backend')
1215    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1216    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1217    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1218    p.set_defaults(func=bdev_iscsi_create)
1219
1220    def bdev_iscsi_delete(args):
1221        rpc.bdev.bdev_iscsi_delete(args.client,
1222                                   name=args.name)
1223
1224    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1225    p.add_argument('name', help='iSCSI bdev name')
1226    p.set_defaults(func=bdev_iscsi_delete)
1227
1228    def bdev_passthru_create(args):
1229        print_json(rpc.bdev.bdev_passthru_create(args.client,
1230                                                 base_bdev_name=args.base_bdev_name,
1231                                                 name=args.name,
1232                                                 uuid=args.uuid))
1233
1234    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1235    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1236    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1237    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1238    p.set_defaults(func=bdev_passthru_create)
1239
1240    def bdev_passthru_delete(args):
1241        rpc.bdev.bdev_passthru_delete(args.client,
1242                                      name=args.name)
1243
1244    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1245    p.add_argument('name', help='pass through bdev name')
1246    p.set_defaults(func=bdev_passthru_delete)
1247
1248    def bdev_get_bdevs(args):
1249        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1250                                           name=args.name, timeout=args.timeout_ms))
1251
1252    p = subparsers.add_parser('bdev_get_bdevs',
1253                              help='Display current blockdev list or required blockdev')
1254    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1255    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1256    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1257    whether the bdev exists or not.""",
1258                   type=int)
1259    p.set_defaults(func=bdev_get_bdevs)
1260
1261    def bdev_get_iostat(args):
1262        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1263                                            name=args.name,
1264                                            per_channel=args.per_channel))
1265
1266    p = subparsers.add_parser('bdev_get_iostat',
1267                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1268    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1269    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1270                   action='store_true')
1271    p.set_defaults(func=bdev_get_iostat)
1272
1273    def bdev_reset_iostat(args):
1274        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1275
1276    p = subparsers.add_parser('bdev_reset_iostat',
1277                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1278    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1279    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1280    p.set_defaults(func=bdev_reset_iostat)
1281
1282    def bdev_enable_histogram(args):
1283        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable, opc=args.opc)
1284
1285    p = subparsers.add_parser('bdev_enable_histogram',
1286                              help='Enable or disable histogram for specified bdev')
1287    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1288    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1289    p.add_argument('-o', '--opc', help='Enable histogram for specified io type. Defaults to all io types if not specified.'
1290                   ' Refer to bdev_get_bdevs RPC for the list of io types.')
1291    p.add_argument('name', help='bdev name')
1292    p.set_defaults(func=bdev_enable_histogram)
1293
1294    def bdev_get_histogram(args):
1295        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1296
1297    p = subparsers.add_parser('bdev_get_histogram',
1298                              help='Get histogram for specified bdev')
1299    p.add_argument('name', help='bdev name')
1300    p.set_defaults(func=bdev_get_histogram)
1301
1302    def bdev_set_qd_sampling_period(args):
1303        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1304                                             name=args.name,
1305                                             period=args.period)
1306
1307    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1308                              help="Enable or disable tracking of a bdev's queue depth.")
1309    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1310    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1311                   ' If set to 0, polling will be disabled.',
1312                   type=int)
1313    p.set_defaults(func=bdev_set_qd_sampling_period)
1314
1315    def bdev_set_qos_limit(args):
1316        rpc.bdev.bdev_set_qos_limit(args.client,
1317                                    name=args.name,
1318                                    rw_ios_per_sec=args.rw_ios_per_sec,
1319                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1320                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1321                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1322
1323    p = subparsers.add_parser('bdev_set_qos_limit',
1324                              help='Set QoS rate limit on a blockdev')
1325    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1326    p.add_argument('--rw-ios-per-sec',
1327                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1328                   type=int)
1329    p.add_argument('--rw-mbytes-per-sec',
1330                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1331                   type=int)
1332    p.add_argument('--r-mbytes-per-sec',
1333                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1334                   type=int)
1335    p.add_argument('--w-mbytes-per-sec',
1336                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1337                   type=int)
1338    p.set_defaults(func=bdev_set_qos_limit)
1339
1340    def bdev_error_inject_error(args):
1341        rpc.bdev.bdev_error_inject_error(args.client,
1342                                         name=args.name,
1343                                         io_type=args.io_type,
1344                                         error_type=args.error_type,
1345                                         num=args.num,
1346                                         queue_depth=args.queue_depth,
1347                                         corrupt_offset=args.corrupt_offset,
1348                                         corrupt_value=args.corrupt_value)
1349
1350    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1351    p.add_argument('name', help="""the name of the error injection bdev""")
1352    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1353    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1354    p.add_argument(
1355        '-n', '--num', help='the number of commands you want to fail', type=int)
1356    p.add_argument(
1357        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1358    p.add_argument(
1359        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1360    p.add_argument(
1361        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1362    p.set_defaults(func=bdev_error_inject_error)
1363
1364    def bdev_nvme_apply_firmware(args):
1365        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1366                                                     bdev_name=args.bdev_name,
1367                                                     filename=args.filename))
1368
1369    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1370    p.add_argument('filename', help='filename of the firmware to download')
1371    p.add_argument('bdev_name', help='name of the NVMe device')
1372    p.set_defaults(func=bdev_nvme_apply_firmware)
1373
1374    def bdev_nvme_get_transport_statistics(args):
1375        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1376
1377    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1378                              help='Get bdev_nvme poll group transport statistics')
1379    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1380
1381    def bdev_nvme_get_controller_health_info(args):
1382        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1383                                                                 name=args.name))
1384
1385    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1386                              help='Display health log of the required NVMe bdev controller.')
1387    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1388    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1389
1390    # iSCSI
1391    def iscsi_set_options(args):
1392        rpc.iscsi.iscsi_set_options(
1393            args.client,
1394            auth_file=args.auth_file,
1395            node_base=args.node_base,
1396            nop_timeout=args.nop_timeout,
1397            nop_in_interval=args.nop_in_interval,
1398            disable_chap=args.disable_chap,
1399            require_chap=args.require_chap,
1400            mutual_chap=args.mutual_chap,
1401            chap_group=args.chap_group,
1402            max_sessions=args.max_sessions,
1403            max_queue_depth=args.max_queue_depth,
1404            max_connections_per_session=args.max_connections_per_session,
1405            default_time2wait=args.default_time2wait,
1406            default_time2retain=args.default_time2retain,
1407            first_burst_length=args.first_burst_length,
1408            immediate_data=args.immediate_data,
1409            error_recovery_level=args.error_recovery_level,
1410            allow_duplicated_isid=args.allow_duplicated_isid,
1411            max_large_datain_per_connection=args.max_large_datain_per_connection,
1412            max_r2t_per_connection=args.max_r2t_per_connection,
1413            pdu_pool_size=args.pdu_pool_size,
1414            immediate_data_pool_size=args.immediate_data_pool_size,
1415            data_out_pool_size=args.data_out_pool_size)
1416
1417    p = subparsers.add_parser('iscsi_set_options',
1418                              help="""Set options of iSCSI subsystem""")
1419    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1420    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1421    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1422    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1423    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1424    *** Mutually exclusive with --require-chap""", action='store_true')
1425    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1426    *** Mutually exclusive with --disable-chap""", action='store_true')
1427    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1428    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1429    *** Authentication group must be precreated ***""", type=int)
1430    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1431    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1432    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1433    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1434    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1435    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1436    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1437    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1438    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1439    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1440    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1441    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1442    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1443    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1444    p.set_defaults(func=iscsi_set_options)
1445
1446    def iscsi_set_discovery_auth(args):
1447        rpc.iscsi.iscsi_set_discovery_auth(
1448            args.client,
1449            disable_chap=args.disable_chap,
1450            require_chap=args.require_chap,
1451            mutual_chap=args.mutual_chap,
1452            chap_group=args.chap_group)
1453
1454    p = subparsers.add_parser('iscsi_set_discovery_auth',
1455                              help="""Set CHAP authentication for discovery session.""")
1456    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1457    *** Mutually exclusive with --require-chap""", action='store_true')
1458    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1459    *** Mutually exclusive with --disable-chap""", action='store_true')
1460    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1461    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1462    *** Authentication group must be precreated ***""", type=int)
1463    p.set_defaults(func=iscsi_set_discovery_auth)
1464
1465    def iscsi_create_auth_group(args):
1466        secrets = None
1467        if args.secrets:
1468            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1469
1470        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1471
1472    p = subparsers.add_parser('iscsi_create_auth_group',
1473                              help='Create authentication group for CHAP authentication.')
1474    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1475    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1476<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1477Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1478    p.set_defaults(func=iscsi_create_auth_group)
1479
1480    def iscsi_delete_auth_group(args):
1481        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1482
1483    p = subparsers.add_parser('iscsi_delete_auth_group',
1484                              help='Delete an authentication group.')
1485    p.add_argument('tag', help='Authentication group tag', type=int)
1486    p.set_defaults(func=iscsi_delete_auth_group)
1487
1488    def iscsi_auth_group_add_secret(args):
1489        rpc.iscsi.iscsi_auth_group_add_secret(
1490            args.client,
1491            tag=args.tag,
1492            user=args.user,
1493            secret=args.secret,
1494            muser=args.muser,
1495            msecret=args.msecret)
1496
1497    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1498                              help='Add a secret to an authentication group.')
1499    p.add_argument('tag', help='Authentication group tag', type=int)
1500    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1501    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1502    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1503    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1504    p.set_defaults(func=iscsi_auth_group_add_secret)
1505
1506    def iscsi_auth_group_remove_secret(args):
1507        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1508
1509    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1510                              help='Remove a secret from an authentication group.')
1511    p.add_argument('tag', help='Authentication group tag', type=int)
1512    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1513    p.set_defaults(func=iscsi_auth_group_remove_secret)
1514
1515    def iscsi_get_auth_groups(args):
1516        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1517
1518    p = subparsers.add_parser('iscsi_get_auth_groups',
1519                              help='Display current authentication group configuration')
1520    p.set_defaults(func=iscsi_get_auth_groups)
1521
1522    def iscsi_get_portal_groups(args):
1523        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1524
1525    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1526    p.set_defaults(func=iscsi_get_portal_groups)
1527
1528    def iscsi_get_initiator_groups(args):
1529        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1530
1531    p = subparsers.add_parser('iscsi_get_initiator_groups',
1532                              help='Display current initiator group configuration')
1533    p.set_defaults(func=iscsi_get_initiator_groups)
1534
1535    def iscsi_get_target_nodes(args):
1536        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1537
1538    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1539    p.set_defaults(func=iscsi_get_target_nodes)
1540
1541    def iscsi_enable_histogram(args):
1542        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1543
1544    p = subparsers.add_parser('iscsi_enable_histogram',
1545                              help='Enable or disable histogram for specified iscsi target')
1546    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1547    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1548    p.add_argument('name', help='iscsi target name')
1549    p.set_defaults(func=iscsi_enable_histogram)
1550
1551    def iscsi_get_histogram(args):
1552        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1553
1554    p = subparsers.add_parser('iscsi_get_histogram',
1555                              help='Get histogram for specified iscsi target')
1556    p.add_argument('name', help='target name')
1557    p.set_defaults(func=iscsi_get_histogram)
1558
1559    def iscsi_create_target_node(args):
1560        luns = []
1561        for u in args.bdev_name_id_pairs.strip().split(" "):
1562            bdev_name, lun_id = u.split(":")
1563            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1564
1565        pg_ig_maps = []
1566        for u in args.pg_ig_mappings.strip().split(" "):
1567            pg, ig = u.split(":")
1568            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1569
1570        rpc.iscsi.iscsi_create_target_node(
1571            args.client,
1572            luns=luns,
1573            pg_ig_maps=pg_ig_maps,
1574            name=args.name,
1575            alias_name=args.alias_name,
1576            queue_depth=args.queue_depth,
1577            chap_group=args.chap_group,
1578            disable_chap=args.disable_chap,
1579            require_chap=args.require_chap,
1580            mutual_chap=args.mutual_chap,
1581            header_digest=args.header_digest,
1582            data_digest=args.data_digest)
1583
1584    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1585    p.add_argument('name', help='Target node name (ASCII)')
1586    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1587    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1588    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1589    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1590    *** The bdevs must pre-exist ***
1591    *** LUN0 (id = 0) is required ***
1592    *** bdevs names cannot contain space or colon characters ***""")
1593    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1594    Whitespace separated, quoted, mapping defined with colon
1595    separated list of "tags" (int > 0)
1596    Example: '1:1 2:2 2:1'
1597    *** The Portal/Initiator Groups must be precreated ***""")
1598    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1599    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1600    *** Authentication group must be precreated ***""", type=int)
1601    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1602    *** Mutually exclusive with --require-chap ***""", action='store_true')
1603    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1604    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1605    p.add_argument(
1606        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1607    p.add_argument('-H', '--header-digest',
1608                   help='Header Digest should be required for this target node.', action='store_true')
1609    p.add_argument('-D', '--data-digest',
1610                   help='Data Digest should be required for this target node.', action='store_true')
1611    p.set_defaults(func=iscsi_create_target_node)
1612
1613    def iscsi_target_node_add_lun(args):
1614        rpc.iscsi.iscsi_target_node_add_lun(
1615            args.client,
1616            name=args.name,
1617            bdev_name=args.bdev_name,
1618            lun_id=args.lun_id)
1619
1620    p = subparsers.add_parser('iscsi_target_node_add_lun',
1621                              help='Add LUN to the target node')
1622    p.add_argument('name', help='Target node name (ASCII)')
1623    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1624    *** bdev name cannot contain space or colon characters ***""")
1625    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1626    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1627    p.set_defaults(func=iscsi_target_node_add_lun)
1628
1629    def iscsi_target_node_set_auth(args):
1630        rpc.iscsi.iscsi_target_node_set_auth(
1631            args.client,
1632            name=args.name,
1633            chap_group=args.chap_group,
1634            disable_chap=args.disable_chap,
1635            require_chap=args.require_chap,
1636            mutual_chap=args.mutual_chap)
1637
1638    p = subparsers.add_parser('iscsi_target_node_set_auth',
1639                              help='Set CHAP authentication for the target node')
1640    p.add_argument('name', help='Target node name (ASCII)')
1641    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1642    *** Authentication group must be precreated ***""", type=int)
1643    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1644    *** Mutually exclusive with --require-chap ***""", action='store_true')
1645    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1646    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1647    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1648                   action='store_true')
1649    p.set_defaults(func=iscsi_target_node_set_auth)
1650
1651    def iscsi_target_node_add_pg_ig_maps(args):
1652        pg_ig_maps = []
1653        for u in args.pg_ig_mappings.strip().split(" "):
1654            pg, ig = u.split(":")
1655            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1656        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1657            args.client,
1658            pg_ig_maps=pg_ig_maps,
1659            name=args.name)
1660
1661    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1662                              help='Add PG-IG maps to the target node')
1663    p.add_argument('name', help='Target node name (ASCII)')
1664    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1665    Whitespace separated, quoted, mapping defined with colon
1666    separated list of "tags" (int > 0)
1667    Example: '1:1 2:2 2:1'
1668    *** The Portal/Initiator Groups must be precreated ***""")
1669    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1670
1671    def iscsi_target_node_remove_pg_ig_maps(args):
1672        pg_ig_maps = []
1673        for u in args.pg_ig_mappings.strip().split(" "):
1674            pg, ig = u.split(":")
1675            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1676        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1677            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1678
1679    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1680                              help='Delete PG-IG maps from the target node')
1681    p.add_argument('name', help='Target node name (ASCII)')
1682    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1683    Whitespace separated, quoted, mapping defined with colon
1684    separated list of "tags" (int > 0)
1685    Example: '1:1 2:2 2:1'
1686    *** The Portal/Initiator Groups must be precreated ***""")
1687    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1688
1689    def iscsi_target_node_set_redirect(args):
1690        rpc.iscsi.iscsi_target_node_set_redirect(
1691            args.client,
1692            name=args.name,
1693            pg_tag=args.pg_tag,
1694            redirect_host=args.redirect_host,
1695            redirect_port=args.redirect_port)
1696
1697    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1698                              help="""Update redirect portal of the public portal group for the target node.
1699    Omit redirect host and port to clear previously set redirect settings.""")
1700    p.add_argument('name', help='Target node name (ASCII)')
1701    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1702    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1703    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1704    p.set_defaults(func=iscsi_target_node_set_redirect)
1705
1706    def iscsi_target_node_request_logout(args):
1707        rpc.iscsi.iscsi_target_node_request_logout(
1708            args.client,
1709            name=args.name,
1710            pg_tag=args.pg_tag)
1711
1712    p = subparsers.add_parser('iscsi_target_node_request_logout',
1713                              help="""For the target node, request connections whose portal group tag
1714    match to logout, or request all connections if portal group tag is omitted.""")
1715    p.add_argument('name', help='Target node name (ASCII)')
1716    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1717    p.set_defaults(func=iscsi_target_node_request_logout)
1718
1719    def iscsi_create_portal_group(args):
1720        portals = []
1721        for p in args.portal_list.strip().split(' '):
1722            ip, separator, port_cpumask = p.rpartition(':')
1723            split_port_cpumask = port_cpumask.split('@')
1724            if len(split_port_cpumask) == 1:
1725                port = port_cpumask
1726                portals.append({'host': ip, 'port': port})
1727            else:
1728                port = split_port_cpumask[0]
1729                cpumask = split_port_cpumask[1]
1730                portals.append({'host': ip, 'port': port})
1731                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1732        rpc.iscsi.iscsi_create_portal_group(
1733            args.client,
1734            portals=portals,
1735            tag=args.tag,
1736            private=args.private,
1737            wait=args.wait)
1738
1739    p = subparsers.add_parser('iscsi_create_portal_group',
1740                              help='Add a portal group')
1741    p.add_argument(
1742        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1743    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1744    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1745    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1746    Private portal groups do not have their portals returned by a discovery session. A public
1747    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1748    portal must be from a private portal group.""", action='store_true')
1749    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1750    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1751    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1752    p.set_defaults(func=iscsi_create_portal_group)
1753
1754    def iscsi_start_portal_group(args):
1755        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1756
1757    p = subparsers.add_parser('iscsi_start_portal_group',
1758                              help='Start listening on portals if it is not started yet.')
1759    p.add_argument(
1760        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1761    p.set_defaults(func=iscsi_start_portal_group)
1762
1763    def iscsi_create_initiator_group(args):
1764        initiators = []
1765        netmasks = []
1766        for i in args.initiator_list.strip().split(' '):
1767            initiators.append(i)
1768        for n in args.netmask_list.strip().split(' '):
1769            netmasks.append(n)
1770        rpc.iscsi.iscsi_create_initiator_group(
1771            args.client,
1772            tag=args.tag,
1773            initiators=initiators,
1774            netmasks=netmasks)
1775
1776    p = subparsers.add_parser('iscsi_create_initiator_group',
1777                              help='Add an initiator group')
1778    p.add_argument(
1779        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1780    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1781    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1782    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1783    Example: '255.255.0.0 255.248.0.0' etc""")
1784    p.set_defaults(func=iscsi_create_initiator_group)
1785
1786    def iscsi_initiator_group_add_initiators(args):
1787        initiators = None
1788        netmasks = None
1789        if args.initiator_list:
1790            initiators = []
1791            for i in args.initiator_list.strip().split(' '):
1792                initiators.append(i)
1793        if args.netmask_list:
1794            netmasks = []
1795            for n in args.netmask_list.strip().split(' '):
1796                netmasks.append(n)
1797        rpc.iscsi.iscsi_initiator_group_add_initiators(
1798            args.client,
1799            tag=args.tag,
1800            initiators=initiators,
1801            netmasks=netmasks)
1802
1803    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1804                              help='Add initiators to an existing initiator group')
1805    p.add_argument(
1806        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1807    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1808    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1809    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1810    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1811    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1812    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1813
1814    def iscsi_initiator_group_remove_initiators(args):
1815        initiators = None
1816        netmasks = None
1817        if args.initiator_list:
1818            initiators = []
1819            for i in args.initiator_list.strip().split(' '):
1820                initiators.append(i)
1821        if args.netmask_list:
1822            netmasks = []
1823            for n in args.netmask_list.strip().split(' '):
1824                netmasks.append(n)
1825        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1826            args.client,
1827            tag=args.tag,
1828            initiators=initiators,
1829            netmasks=netmasks)
1830
1831    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1832                              help='Delete initiators from an existing initiator group')
1833    p.add_argument(
1834        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1835    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1836    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1837    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1838    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1839    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1840    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1841
1842    def iscsi_delete_target_node(args):
1843        rpc.iscsi.iscsi_delete_target_node(
1844            args.client, target_node_name=args.target_node_name)
1845
1846    p = subparsers.add_parser('iscsi_delete_target_node',
1847                              help='Delete a target node')
1848    p.add_argument('target_node_name',
1849                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1850    p.set_defaults(func=iscsi_delete_target_node)
1851
1852    def iscsi_delete_portal_group(args):
1853        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1854
1855    p = subparsers.add_parser('iscsi_delete_portal_group',
1856                              help='Delete a portal group')
1857    p.add_argument(
1858        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1859    p.set_defaults(func=iscsi_delete_portal_group)
1860
1861    def iscsi_delete_initiator_group(args):
1862        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1863
1864    p = subparsers.add_parser('iscsi_delete_initiator_group',
1865                              help='Delete an initiator group')
1866    p.add_argument(
1867        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1868    p.set_defaults(func=iscsi_delete_initiator_group)
1869
1870    def iscsi_portal_group_set_auth(args):
1871        rpc.iscsi.iscsi_portal_group_set_auth(
1872            args.client,
1873            tag=args.tag,
1874            chap_group=args.chap_group,
1875            disable_chap=args.disable_chap,
1876            require_chap=args.require_chap,
1877            mutual_chap=args.mutual_chap)
1878
1879    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1880                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1881    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1882    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1883    *** Authentication group must be precreated ***""", type=int)
1884    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1885    *** Mutually exclusive with --require-chap ***""", action='store_true')
1886    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1887    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1888    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1889                   action='store_true')
1890    p.set_defaults(func=iscsi_portal_group_set_auth)
1891
1892    def iscsi_get_connections(args):
1893        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1894
1895    p = subparsers.add_parser('iscsi_get_connections',
1896                              help='Display iSCSI connections')
1897    p.set_defaults(func=iscsi_get_connections)
1898
1899    def iscsi_get_stats(args):
1900        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1901
1902    p = subparsers.add_parser('iscsi_get_stats',
1903                              help='Display stat information of iSCSI connections.')
1904    p.set_defaults(func=iscsi_get_stats)
1905
1906    def iscsi_get_options(args):
1907        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1908
1909    p = subparsers.add_parser('iscsi_get_options',
1910                              help='Display iSCSI global parameters')
1911    p.set_defaults(func=iscsi_get_options)
1912
1913    def scsi_get_devices(args):
1914        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1915
1916    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1917    p.set_defaults(func=scsi_get_devices)
1918
1919    # trace
1920    def trace_enable_tpoint_group(args):
1921        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1922
1923    p = subparsers.add_parser('trace_enable_tpoint_group',
1924                              help='enable trace on a specific tpoint group')
1925    p.add_argument(
1926        'name', help="""trace group name we want to enable in tpoint_group_mask.
1927        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1928    p.set_defaults(func=trace_enable_tpoint_group)
1929
1930    def trace_disable_tpoint_group(args):
1931        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1932
1933    p = subparsers.add_parser('trace_disable_tpoint_group',
1934                              help='disable trace on a specific tpoint group')
1935    p.add_argument(
1936        'name', help="""trace group name we want to disable in tpoint_group_mask.
1937        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1938    p.set_defaults(func=trace_disable_tpoint_group)
1939
1940    def trace_set_tpoint_mask(args):
1941        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1942
1943    p = subparsers.add_parser('trace_set_tpoint_mask',
1944                              help='enable tracepoint mask on a specific tpoint group')
1945    p.add_argument(
1946        'name', help="""trace group name we want to enable in tpoint_group_mask.
1947        (for example "bdev" for bdev trace group)""")
1948    p.add_argument(
1949        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1950        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1951        type=lambda m: int(m, 16))
1952    p.set_defaults(func=trace_set_tpoint_mask)
1953
1954    def trace_clear_tpoint_mask(args):
1955        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1956
1957    p = subparsers.add_parser('trace_clear_tpoint_mask',
1958                              help='disable tracepoint mask on a specific tpoint group')
1959    p.add_argument(
1960        'name', help="""trace group name we want to disable in tpoint_group_mask.
1961        (for example "bdev" for bdev trace group)""")
1962    p.add_argument(
1963        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1964        (for example value of "0x3" will disable the first two tpoints in this group)""",
1965        type=lambda m: int(m, 16))
1966    p.set_defaults(func=trace_clear_tpoint_mask)
1967
1968    def trace_get_tpoint_group_mask(args):
1969        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1970
1971    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1972    p.set_defaults(func=trace_get_tpoint_group_mask)
1973
1974    def trace_get_info(args):
1975        print_dict(rpc.trace.trace_get_info(args.client))
1976
1977    p = subparsers.add_parser('trace_get_info',
1978                              help='get name of shared memory file and list of the available trace point groups')
1979    p.set_defaults(func=trace_get_info)
1980
1981    # log
1982    def log_set_flag(args):
1983        rpc.log.log_set_flag(args.client, flag=args.flag)
1984
1985    p = subparsers.add_parser('log_set_flag', help='set log flag')
1986    p.add_argument(
1987        'flag', help='log flag we want to set. (for example "nvme").')
1988    p.set_defaults(func=log_set_flag)
1989
1990    def log_clear_flag(args):
1991        rpc.log.log_clear_flag(args.client, flag=args.flag)
1992
1993    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1994    p.add_argument(
1995        'flag', help='log flag we want to clear. (for example "nvme").')
1996    p.set_defaults(func=log_clear_flag)
1997
1998    def log_get_flags(args):
1999        print_dict(rpc.log.log_get_flags(args.client))
2000
2001    p = subparsers.add_parser('log_get_flags', help='get log flags')
2002    p.set_defaults(func=log_get_flags)
2003
2004    def log_set_level(args):
2005        rpc.log.log_set_level(args.client, level=args.level)
2006
2007    p = subparsers.add_parser('log_set_level', help='set log level')
2008    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
2009    p.set_defaults(func=log_set_level)
2010
2011    def log_get_level(args):
2012        print_dict(rpc.log.log_get_level(args.client))
2013
2014    p = subparsers.add_parser('log_get_level', help='get log level')
2015    p.set_defaults(func=log_get_level)
2016
2017    def log_set_print_level(args):
2018        rpc.log.log_set_print_level(args.client, level=args.level)
2019
2020    p = subparsers.add_parser('log_set_print_level', help='set log print level')
2021    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
2022    p.set_defaults(func=log_set_print_level)
2023
2024    def log_get_print_level(args):
2025        print_dict(rpc.log.log_get_print_level(args.client))
2026
2027    p = subparsers.add_parser('log_get_print_level', help='get log print level')
2028    p.set_defaults(func=log_get_print_level)
2029
2030    # lvol
2031    def bdev_lvol_create_lvstore(args):
2032        # The default unmap clear method may take over 60.0 sec.
2033        if args.timeout is None:
2034            args.client.timeout = 90.0
2035        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
2036                                                     bdev_name=args.bdev_name,
2037                                                     lvs_name=args.lvs_name,
2038                                                     cluster_sz=args.cluster_sz,
2039                                                     clear_method=args.clear_method,
2040                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
2041
2042    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2043    p.add_argument('bdev_name', help='base bdev name')
2044    p.add_argument('lvs_name', help='name for lvol store')
2045    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2046    p.add_argument('--clear-method', help="""Change clear method for data region.
2047        Available: none, unmap, write_zeroes""")
2048    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2049    p.set_defaults(func=bdev_lvol_create_lvstore)
2050
2051    def bdev_lvol_rename_lvstore(args):
2052        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2053                                          old_name=args.old_name,
2054                                          new_name=args.new_name)
2055
2056    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2057    p.add_argument('old_name', help='old name')
2058    p.add_argument('new_name', help='new name')
2059    p.set_defaults(func=bdev_lvol_rename_lvstore)
2060
2061    def bdev_lvol_grow_lvstore(args):
2062        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2063                                                   uuid=args.uuid,
2064                                                   lvs_name=args.lvs_name))
2065
2066    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2067                              help='Grow the lvstore size to the underlying bdev size')
2068    p.add_argument('-u', '--uuid', help='lvol store UUID')
2069    p.add_argument('-l', '--lvs-name', help='lvol store name')
2070    p.set_defaults(func=bdev_lvol_grow_lvstore)
2071
2072    def bdev_lvol_create(args):
2073        print_json(rpc.lvol.bdev_lvol_create(args.client,
2074                                             lvol_name=args.lvol_name,
2075                                             size_in_mib=args.size_in_mib,
2076                                             thin_provision=args.thin_provision,
2077                                             clear_method=args.clear_method,
2078                                             uuid=args.uuid,
2079                                             lvs_name=args.lvs_name))
2080
2081    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2082    p.add_argument('-u', '--uuid', help='lvol store UUID')
2083    p.add_argument('-l', '--lvs-name', help='lvol store name')
2084    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2085    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2086        Available: none, unmap, write_zeroes""")
2087    p.add_argument('lvol_name', help='name for this lvol')
2088    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2089    p.set_defaults(func=bdev_lvol_create)
2090
2091    def bdev_lvol_snapshot(args):
2092        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2093                                               lvol_name=args.lvol_name,
2094                                               snapshot_name=args.snapshot_name))
2095
2096    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2097    p.add_argument('lvol_name', help='lvol bdev name')
2098    p.add_argument('snapshot_name', help='lvol snapshot name')
2099    p.set_defaults(func=bdev_lvol_snapshot)
2100
2101    def bdev_lvol_clone(args):
2102        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2103                                            snapshot_name=args.snapshot_name,
2104                                            clone_name=args.clone_name))
2105
2106    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2107    p.add_argument('snapshot_name', help='lvol snapshot name')
2108    p.add_argument('clone_name', help='lvol clone name')
2109    p.set_defaults(func=bdev_lvol_clone)
2110
2111    def bdev_lvol_clone_bdev(args):
2112        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2113                                                 bdev=args.bdev,
2114                                                 lvs_name=args.lvs_name,
2115                                                 clone_name=args.clone_name))
2116
2117    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2118                              help='Create a clone of a non-lvol bdev')
2119    p.add_argument('bdev', help='bdev to clone')
2120    p.add_argument('lvs_name', help='logical volume store name')
2121    p.add_argument('clone_name', help='lvol clone name')
2122    p.set_defaults(func=bdev_lvol_clone_bdev)
2123
2124    def bdev_lvol_rename(args):
2125        rpc.lvol.bdev_lvol_rename(args.client,
2126                                  old_name=args.old_name,
2127                                  new_name=args.new_name)
2128
2129    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2130    p.add_argument('old_name', help='lvol bdev name')
2131    p.add_argument('new_name', help='new lvol name')
2132    p.set_defaults(func=bdev_lvol_rename)
2133
2134    def bdev_lvol_inflate(args):
2135        rpc.lvol.bdev_lvol_inflate(args.client,
2136                                   name=args.name)
2137
2138    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2139    p.add_argument('name', help='lvol bdev name')
2140    p.set_defaults(func=bdev_lvol_inflate)
2141
2142    def bdev_lvol_decouple_parent(args):
2143        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2144                                           name=args.name)
2145
2146    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2147    p.add_argument('name', help='lvol bdev name')
2148    p.set_defaults(func=bdev_lvol_decouple_parent)
2149
2150    def bdev_lvol_resize(args):
2151        rpc.lvol.bdev_lvol_resize(args.client,
2152                                  name=args.name,
2153                                  size_in_mib=args.size_in_mib)
2154
2155    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2156    p.add_argument('name', help='lvol bdev name')
2157    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2158    p.set_defaults(func=bdev_lvol_resize)
2159
2160    def bdev_lvol_set_read_only(args):
2161        rpc.lvol.bdev_lvol_set_read_only(args.client,
2162                                         name=args.name)
2163
2164    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2165    p.add_argument('name', help='lvol bdev name')
2166    p.set_defaults(func=bdev_lvol_set_read_only)
2167
2168    def bdev_lvol_delete(args):
2169        rpc.lvol.bdev_lvol_delete(args.client,
2170                                  name=args.name)
2171
2172    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2173    p.add_argument('name', help='lvol bdev name')
2174    p.set_defaults(func=bdev_lvol_delete)
2175
2176    def bdev_lvol_start_shallow_copy(args):
2177        print_json(rpc.lvol.bdev_lvol_start_shallow_copy(args.client,
2178                                                         src_lvol_name=args.src_lvol_name,
2179                                                         dst_bdev_name=args.dst_bdev_name))
2180
2181    p = subparsers.add_parser('bdev_lvol_start_shallow_copy',
2182                              help="""Start a shallow copy of an lvol over a given bdev.  The status of the operation
2183    can be obtained with bdev_lvol_check_shallow_copy""")
2184    p.add_argument('src_lvol_name', help='source lvol name')
2185    p.add_argument('dst_bdev_name', help='destination bdev name')
2186    p.set_defaults(func=bdev_lvol_start_shallow_copy)
2187
2188    def bdev_lvol_check_shallow_copy(args):
2189        print_json(rpc.lvol.bdev_lvol_check_shallow_copy(args.client,
2190                                                         operation_id=args.operation_id))
2191
2192    p = subparsers.add_parser('bdev_lvol_check_shallow_copy', help='Get shallow copy status')
2193    p.add_argument('operation_id', help='operation identifier', type=int)
2194    p.set_defaults(func=bdev_lvol_check_shallow_copy)
2195
2196    def bdev_lvol_set_parent(args):
2197        rpc.lvol.bdev_lvol_set_parent(args.client,
2198                                      lvol_name=args.lvol_name,
2199                                      parent_name=args.parent_name)
2200
2201    p = subparsers.add_parser('bdev_lvol_set_parent', help='Set the parent snapshot of a lvol')
2202    p.add_argument('lvol_name', help='lvol name')
2203    p.add_argument('parent_name', help='parent snapshot name')
2204    p.set_defaults(func=bdev_lvol_set_parent)
2205
2206    def bdev_lvol_set_parent_bdev(args):
2207        rpc.lvol.bdev_lvol_set_parent_bdev(args.client,
2208                                           lvol_name=args.lvol_name,
2209                                           parent_name=args.parent_name)
2210
2211    p = subparsers.add_parser('bdev_lvol_set_parent_bdev', help='Set the parent external snapshot of a lvol')
2212    p.add_argument('lvol_name', help='lvol name')
2213    p.add_argument('parent_name', help='parent external snapshot name')
2214    p.set_defaults(func=bdev_lvol_set_parent_bdev)
2215
2216    def bdev_lvol_delete_lvstore(args):
2217        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2218                                          uuid=args.uuid,
2219                                          lvs_name=args.lvs_name)
2220
2221    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2222    p.add_argument('-u', '--uuid', help='lvol store UUID')
2223    p.add_argument('-l', '--lvs-name', help='lvol store name')
2224    p.set_defaults(func=bdev_lvol_delete_lvstore)
2225
2226    def bdev_lvol_get_lvstores(args):
2227        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2228                                                   uuid=args.uuid,
2229                                                   lvs_name=args.lvs_name))
2230
2231    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2232    p.add_argument('-u', '--uuid', help='lvol store UUID')
2233    p.add_argument('-l', '--lvs-name', help='lvol store name')
2234    p.set_defaults(func=bdev_lvol_get_lvstores)
2235
2236    def bdev_lvol_get_lvols(args):
2237        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2238                                                lvs_uuid=args.lvs_uuid,
2239                                                lvs_name=args.lvs_name))
2240
2241    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2242    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2243    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2244    p.set_defaults(func=bdev_lvol_get_lvols)
2245
2246    def bdev_raid_set_options(args):
2247        rpc.bdev.bdev_raid_set_options(args.client,
2248                                       process_window_size_kb=args.process_window_size_kb,
2249                                       process_max_bandwidth_mb_sec=args.process_max_bandwidth_mb_sec)
2250
2251    p = subparsers.add_parser('bdev_raid_set_options',
2252                              help='Set options for bdev raid.')
2253    p.add_argument('-w', '--process-window-size-kb', type=int,
2254                   help="Background process (e.g. rebuild) window size in KiB")
2255    p.add_argument('-b', '--process-max-bandwidth-mb-sec', type=int,
2256                   help="Background process (e.g. rebuild) maximum bandwidth in MiB/Sec")
2257
2258    p.set_defaults(func=bdev_raid_set_options)
2259
2260    def bdev_raid_get_bdevs(args):
2261        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2262                                                category=args.category))
2263
2264    p = subparsers.add_parser('bdev_raid_get_bdevs',
2265                              help="""This is used to list all the raid bdev details based on the input category
2266    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2267    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2268    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2269    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2270    p.add_argument('category', help='all or online or configuring or offline')
2271    p.set_defaults(func=bdev_raid_get_bdevs)
2272
2273    def bdev_raid_create(args):
2274        base_bdevs = []
2275        for u in args.base_bdevs.strip().split():
2276            base_bdevs.append(u)
2277
2278        rpc.bdev.bdev_raid_create(args.client,
2279                                  name=args.name,
2280                                  strip_size_kb=args.strip_size_kb,
2281                                  raid_level=args.raid_level,
2282                                  base_bdevs=base_bdevs,
2283                                  uuid=args.uuid,
2284                                  superblock=args.superblock)
2285    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2286    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2287    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2288    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2289    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2290    p.add_argument('--uuid', help='UUID for this raid bdev')
2291    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2292                                              'disabled by default due to backward compatibility', action='store_true')
2293    p.set_defaults(func=bdev_raid_create)
2294
2295    def bdev_raid_delete(args):
2296        rpc.bdev.bdev_raid_delete(args.client,
2297                                  name=args.name)
2298    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2299    p.add_argument('name', help='raid bdev name')
2300    p.set_defaults(func=bdev_raid_delete)
2301
2302    def bdev_raid_add_base_bdev(args):
2303        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2304                                         raid_bdev=args.raid_bdev,
2305                                         base_bdev=args.base_bdev)
2306    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2307    p.add_argument('raid_bdev', help='raid bdev name')
2308    p.add_argument('base_bdev', help='base bdev name')
2309    p.set_defaults(func=bdev_raid_add_base_bdev)
2310
2311    def bdev_raid_remove_base_bdev(args):
2312        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2313                                            name=args.name)
2314    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2315    p.add_argument('name', help='base bdev name')
2316    p.set_defaults(func=bdev_raid_remove_base_bdev)
2317
2318    # split
2319    def bdev_split_create(args):
2320        print_array(rpc.bdev.bdev_split_create(args.client,
2321                                               base_bdev=args.base_bdev,
2322                                               split_count=args.split_count,
2323                                               split_size_mb=args.split_size_mb))
2324
2325    p = subparsers.add_parser('bdev_split_create',
2326                              help="""Add given disk name to split config. If bdev with base_name
2327    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2328    available (during examination process).""")
2329    p.add_argument('base_bdev', help='base bdev name')
2330    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2331    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2332    exceed the base bdev size.""", type=int)
2333    p.set_defaults(func=bdev_split_create)
2334
2335    def bdev_split_delete(args):
2336        rpc.bdev.bdev_split_delete(args.client,
2337                                   base_bdev=args.base_bdev)
2338
2339    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2340    p.add_argument('base_bdev', help='base bdev name')
2341    p.set_defaults(func=bdev_split_delete)
2342
2343    # ftl
2344    def bdev_ftl_create(args):
2345        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2346                                            name=args.name,
2347                                            base_bdev=args.base_bdev,
2348                                            uuid=args.uuid,
2349                                            cache=args.cache,
2350                                            overprovisioning=args.overprovisioning,
2351                                            l2p_dram_limit=args.l2p_dram_limit,
2352                                            core_mask=args.core_mask,
2353                                            fast_shutdown=args.fast_shutdown))
2354
2355    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2356    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2357    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2358                   required=True)
2359    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2360                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2361    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2362                   required=True)
2363    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2364                   ' to user (optional); default 20', type=int)
2365    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2366                   type=int)
2367    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2368                   'by default core thread will be set to the main application core (optional)')
2369    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2370    p.set_defaults(func=bdev_ftl_create)
2371
2372    def bdev_ftl_load(args):
2373        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2374                                          name=args.name,
2375                                          base_bdev=args.base_bdev,
2376                                          uuid=args.uuid,
2377                                          cache=args.cache,
2378                                          overprovisioning=args.overprovisioning,
2379                                          l2p_dram_limit=args.l2p_dram_limit,
2380                                          core_mask=args.core_mask,
2381                                          fast_shutdown=args.fast_shutdown))
2382
2383    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2384    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2385    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2386                   required=True)
2387    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2388    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2389                   required=True)
2390    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2391                   ' to user (optional); default 20', type=int)
2392    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2393                   type=int)
2394    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2395                   'by default core thread will be set to the main application core (optional)')
2396    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2397    p.set_defaults(func=bdev_ftl_load)
2398
2399    def bdev_ftl_unload(args):
2400        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2401
2402    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2403    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2404    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2405    p.set_defaults(func=bdev_ftl_unload)
2406
2407    def bdev_ftl_delete(args):
2408        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2409
2410    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2411    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2412    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2413    p.set_defaults(func=bdev_ftl_delete)
2414
2415    def bdev_ftl_unmap(args):
2416        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2417                                           lba=args.lba,
2418                                           num_blocks=args.num_blocks))
2419
2420    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2421    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2422    p.add_argument('--lba', help='start LBA', required=True, type=int)
2423    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2424    p.set_defaults(func=bdev_ftl_unmap)
2425
2426    def bdev_ftl_get_stats(args):
2427        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2428
2429    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2430    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2431    p.set_defaults(func=bdev_ftl_get_stats)
2432
2433    def bdev_ftl_get_properties(args):
2434        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2435
2436    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2437    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2438    p.set_defaults(func=bdev_ftl_get_properties)
2439
2440    def bdev_ftl_set_property(args):
2441        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2442                   ftl_property=args.property,
2443                   value=args.value))
2444
2445    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2446    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2447    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2448    p.add_argument('-v', '--value', help="Value of the property", required=True)
2449    p.set_defaults(func=bdev_ftl_set_property)
2450
2451    # vmd
2452    def vmd_enable(args):
2453        print_dict(rpc.vmd.vmd_enable(args.client))
2454
2455    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2456    p.set_defaults(func=vmd_enable)
2457
2458    def vmd_remove_device(args):
2459        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2460
2461    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2462    p.add_argument('addr', help='Address of the device to remove', type=str)
2463    p.set_defaults(func=vmd_remove_device)
2464
2465    def vmd_rescan(args):
2466        print_dict(rpc.vmd.vmd_rescan(args.client))
2467
2468    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2469    p.set_defaults(func=vmd_rescan)
2470
2471    # ublk
2472    def ublk_create_target(args):
2473        rpc.ublk.ublk_create_target(args.client,
2474                                    cpumask=args.cpumask,
2475                                    disable_user_copy=args.disable_user_copy)
2476    p = subparsers.add_parser('ublk_create_target',
2477                              help='Create spdk ublk target for ublk dev')
2478    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2479    p.add_argument('--disable-user-copy', help='Disable user copy feature', action='store_true')
2480    p.set_defaults(func=ublk_create_target)
2481
2482    def ublk_destroy_target(args):
2483        rpc.ublk.ublk_destroy_target(args.client)
2484    p = subparsers.add_parser('ublk_destroy_target',
2485                              help='Destroy spdk ublk target for ublk dev')
2486    p.set_defaults(func=ublk_destroy_target)
2487
2488    def ublk_start_disk(args):
2489        print(rpc.ublk.ublk_start_disk(args.client,
2490                                       bdev_name=args.bdev_name,
2491                                       ublk_id=args.ublk_id,
2492                                       num_queues=args.num_queues,
2493                                       queue_depth=args.queue_depth))
2494
2495    p = subparsers.add_parser('ublk_start_disk',
2496                              help='Export a bdev as a ublk device')
2497    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2498    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2499    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2500    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2501    p.set_defaults(func=ublk_start_disk)
2502
2503    def ublk_stop_disk(args):
2504        rpc.ublk.ublk_stop_disk(args.client,
2505                                ublk_id=args.ublk_id)
2506
2507    p = subparsers.add_parser('ublk_stop_disk',
2508                              help='Stop a ublk device')
2509    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2510    p.set_defaults(func=ublk_stop_disk)
2511
2512    def ublk_recover_disk(args):
2513        print(rpc.ublk.ublk_recover_disk(args.client,
2514                                         bdev_name=args.bdev_name,
2515                                         ublk_id=args.ublk_id))
2516
2517    p = subparsers.add_parser('ublk_recover_disk',
2518                              help='Recover ublk device')
2519    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2520    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2521    p.set_defaults(func=ublk_recover_disk)
2522
2523    def ublk_get_disks(args):
2524        print_dict(rpc.ublk.ublk_get_disks(args.client,
2525                                           ublk_id=args.ublk_id))
2526
2527    p = subparsers.add_parser('ublk_get_disks',
2528                              help='Display full or specified ublk device list')
2529    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2530    p.set_defaults(func=ublk_get_disks)
2531
2532    # nbd
2533    def nbd_start_disk(args):
2534        print(rpc.nbd.nbd_start_disk(args.client,
2535                                     bdev_name=args.bdev_name,
2536                                     nbd_device=args.nbd_device))
2537
2538    p = subparsers.add_parser('nbd_start_disk',
2539                              help='Export a bdev as an nbd disk')
2540    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2541    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2542    p.set_defaults(func=nbd_start_disk)
2543
2544    def nbd_stop_disk(args):
2545        rpc.nbd.nbd_stop_disk(args.client,
2546                              nbd_device=args.nbd_device)
2547
2548    p = subparsers.add_parser('nbd_stop_disk',
2549                              help='Stop an nbd disk')
2550    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2551    p.set_defaults(func=nbd_stop_disk)
2552
2553    def nbd_get_disks(args):
2554        print_dict(rpc.nbd.nbd_get_disks(args.client,
2555                                         nbd_device=args.nbd_device))
2556
2557    p = subparsers.add_parser('nbd_get_disks',
2558                              help='Display full or specified nbd device list')
2559    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2560    p.set_defaults(func=nbd_get_disks)
2561
2562    # NVMe-oF
2563    def nvmf_set_max_subsystems(args):
2564        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2565                                         max_subsystems=args.max_subsystems)
2566
2567    p = subparsers.add_parser('nvmf_set_max_subsystems',
2568                              help='Set the maximum number of NVMf target subsystems')
2569    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2570    p.set_defaults(func=nvmf_set_max_subsystems)
2571
2572    def nvmf_set_config(args):
2573        rpc.nvmf.nvmf_set_config(args.client,
2574                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2575                                 poll_groups_mask=args.poll_groups_mask,
2576                                 discovery_filter=args.discovery_filter,
2577                                 dhchap_digests=args.dhchap_digests,
2578                                 dhchap_dhgroups=args.dhchap_dhgroups)
2579
2580    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2581    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2582    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2583    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2584    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2585         comma separated values: `transport`, `address`, `svcid`""", type=str)
2586    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
2587                   type=lambda d: d.split(','))
2588    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
2589                   type=lambda d: d.split(','))
2590    p.set_defaults(func=nvmf_set_config)
2591
2592    def nvmf_create_transport(args):
2593        rpc.nvmf.nvmf_create_transport(**vars(args))
2594
2595    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2596    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2597    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2598    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2599    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2600    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2601    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2602    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2603    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2604    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2605    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2606    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2607    underlying bdev supports them''')
2608    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2609    Relevant only for RDMA transport""", type=int)
2610    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2611    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2612    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2613    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2614    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2615    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2616    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2617    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2618    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2619    Relevant only for TCP transport""", type=int)
2620    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2621    Relevant only for VFIO-USER transport""")
2622    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2623    Relevant only for VFIO-USER transport""")
2624    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2625    Relevant only for VFIO-USER transport""")
2626    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2627    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2628    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2629    p.add_argument('--disable-command-passthru', help='Disallow command passthru', action='store_true')
2630    p.set_defaults(func=nvmf_create_transport)
2631
2632    def nvmf_get_transports(args):
2633        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2634
2635    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2636    p.add_argument('--trtype', help='Transport type (optional)')
2637    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2638    p.set_defaults(func=nvmf_get_transports)
2639
2640    def nvmf_get_subsystems(args):
2641        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2642
2643    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2644    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2645    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2646    p.set_defaults(func=nvmf_get_subsystems)
2647
2648    def nvmf_create_subsystem(args):
2649        rpc.nvmf.nvmf_create_subsystem(args.client,
2650                                       nqn=args.nqn,
2651                                       tgt_name=args.tgt_name,
2652                                       serial_number=args.serial_number,
2653                                       model_number=args.model_number,
2654                                       allow_any_host=args.allow_any_host,
2655                                       max_namespaces=args.max_namespaces,
2656                                       ana_reporting=args.ana_reporting,
2657                                       min_cntlid=args.min_cntlid,
2658                                       max_cntlid=args.max_cntlid,
2659                                       max_discard_size_kib=args.max_discard_size,
2660                                       max_write_zeroes_size_kib=args.max_write_zeroes_size,
2661                                       passthrough=args.passthrough)
2662
2663    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2664    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2665    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2666    p.add_argument("-s", "--serial-number", help="""
2667    Format:  'sn' etc
2668    Example: 'SPDK00000000000001'""")
2669    p.add_argument("-d", "--model-number", help="""
2670    Format:  'mn' etc
2671    Example: 'SPDK Controller'""")
2672    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2673    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2674                   type=int)
2675    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2676    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2677    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2678    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2679    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2680    p.add_argument("-p", "--passthrough", action='store_true', help="""Use NVMe passthrough for all I/O commands and namespace-directed
2681                   admin commands""")
2682    p.set_defaults(func=nvmf_create_subsystem)
2683
2684    def nvmf_delete_subsystem(args):
2685        rpc.nvmf.nvmf_delete_subsystem(args.client,
2686                                       nqn=args.subsystem_nqn,
2687                                       tgt_name=args.tgt_name)
2688
2689    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2690    p.add_argument('subsystem_nqn',
2691                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2692    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2693    p.set_defaults(func=nvmf_delete_subsystem)
2694
2695    def nvmf_subsystem_add_listener(args):
2696        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2697
2698    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2699    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2700    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2701    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2702    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2703    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2704    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2705    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2706    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2707    p.add_argument('-S', '--sock-impl', help='The socket implementation to use for the listener (ex. posix)', type=str)
2708    p.set_defaults(func=nvmf_subsystem_add_listener)
2709
2710    def nvmf_subsystem_remove_listener(args):
2711        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2712                                                nqn=args.nqn,
2713                                                trtype=args.trtype,
2714                                                traddr=args.traddr,
2715                                                tgt_name=args.tgt_name,
2716                                                adrfam=args.adrfam,
2717                                                trsvcid=args.trsvcid)
2718
2719    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2720    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2721    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2722    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2723    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2724    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2725    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2726    p.set_defaults(func=nvmf_subsystem_remove_listener)
2727
2728    def nvmf_subsystem_listener_set_ana_state(args):
2729        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2730                                                       nqn=args.nqn,
2731                                                       ana_state=args.ana_state,
2732                                                       trtype=args.trtype,
2733                                                       traddr=args.traddr,
2734                                                       tgt_name=args.tgt_name,
2735                                                       adrfam=args.adrfam,
2736                                                       trsvcid=args.trsvcid,
2737                                                       anagrpid=args.anagrpid)
2738
2739    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2740    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2741    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2742    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2743    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2744    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2745    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2746    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2747    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2748    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2749
2750    def nvmf_discovery_add_referral(args):
2751        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2752
2753    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2754    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2755    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2756    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2757    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2758    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2759    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2760                   action="store_true")
2761    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2762    p.set_defaults(func=nvmf_discovery_add_referral)
2763
2764    def nvmf_discovery_remove_referral(args):
2765        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2766                                                trtype=args.trtype,
2767                                                traddr=args.traddr,
2768                                                tgt_name=args.tgt_name,
2769                                                adrfam=args.adrfam,
2770                                                trsvcid=args.trsvcid,
2771                                                subnqn=args.subnqn)
2772
2773    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2774    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2775    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2776    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2777    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2778    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2779    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2780    p.set_defaults(func=nvmf_discovery_remove_referral)
2781
2782    def nvmf_discovery_get_referrals(args):
2783        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2784                                                         tgt_name=args.tgt_name))
2785
2786    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2787                              help='Display discovery subsystem referrals of an NVMe-oF target')
2788    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2789    p.set_defaults(func=nvmf_discovery_get_referrals)
2790
2791    def nvmf_subsystem_add_ns(args):
2792        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2793
2794    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2795    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2796    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2797    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2798    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2799    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2800    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2801    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2802    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2803    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2804    p.add_argument('-i', '--no-auto-visible', action='store_true',
2805                   help='Do not auto make namespace visible to controllers (optional)')
2806    p.set_defaults(func=nvmf_subsystem_add_ns)
2807
2808    def nvmf_subsystem_set_ns_ana_group(args):
2809        rpc.nvmf.nvmf_subsystem_set_ns_ana_group(args.client,
2810                                                 nqn=args.nqn,
2811                                                 nsid=args.nsid,
2812                                                 anagrpid=args.anagrpid,
2813                                                 tgt_name=args.tgt_name)
2814
2815    p = subparsers.add_parser('nvmf_subsystem_set_ns_ana_group', help='Change ANA group ID of a namespace')
2816    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2817    p.add_argument('nsid', help='The requested NSID', type=int)
2818    p.add_argument('anagrpid', help='ANA group ID', type=int)
2819    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2820    p.set_defaults(func=nvmf_subsystem_set_ns_ana_group)
2821
2822    def nvmf_subsystem_remove_ns(args):
2823        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2824                                          nqn=args.nqn,
2825                                          nsid=args.nsid,
2826                                          tgt_name=args.tgt_name)
2827
2828    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2829    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2830    p.add_argument('nsid', help='The requested NSID', type=int)
2831    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2832    p.set_defaults(func=nvmf_subsystem_remove_ns)
2833
2834    def nvmf_ns_add_host(args):
2835        rpc.nvmf.nvmf_ns_visible(True,
2836                                 args.client,
2837                                 nqn=args.nqn,
2838                                 nsid=args.nsid,
2839                                 host=args.host,
2840                                 tgt_name=args.tgt_name)
2841
2842    def nvmf_ns_visible_add_args(p):
2843        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2844        p.add_argument('nsid', help='The requested NSID', type=int)
2845        p.add_argument('host', help='Host NQN to make namespace visible to')
2846        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2847
2848    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2849    nvmf_ns_visible_add_args(p)
2850    p.set_defaults(func=nvmf_ns_add_host)
2851
2852    def nvmf_ns_remove_host(args):
2853        rpc.nvmf.nvmf_ns_visible(False,
2854                                 args.client,
2855                                 nqn=args.nqn,
2856                                 nsid=args.nsid,
2857                                 host=args.host,
2858                                 tgt_name=args.tgt_name)
2859
2860    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controllers of host')
2861    nvmf_ns_visible_add_args(p)
2862    p.set_defaults(func=nvmf_ns_remove_host)
2863
2864    def nvmf_subsystem_add_host(args):
2865        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2866                                         nqn=args.nqn,
2867                                         host=args.host,
2868                                         tgt_name=args.tgt_name,
2869                                         psk=args.psk,
2870                                         dhchap_key=args.dhchap_key,
2871                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key)
2872
2873    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2874    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2875    p.add_argument('host', help='Host NQN to allow')
2876    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2877    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2878    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name (optional)')
2879    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name (optional)')
2880    p.set_defaults(func=nvmf_subsystem_add_host)
2881
2882    def nvmf_subsystem_remove_host(args):
2883        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2884                                            nqn=args.nqn,
2885                                            host=args.host,
2886                                            tgt_name=args.tgt_name)
2887
2888    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2889    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2890    p.add_argument('host', help='Host NQN to remove')
2891    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2892    p.set_defaults(func=nvmf_subsystem_remove_host)
2893
2894    def nvmf_subsystem_set_keys(args):
2895        rpc.nvmf.nvmf_subsystem_set_keys(args.client,
2896                                         nqn=args.nqn,
2897                                         host=args.host,
2898                                         tgt_name=args.tgt_name,
2899                                         dhchap_key=args.dhchap_key,
2900                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key)
2901
2902    p = subparsers.add_parser('nvmf_subsystem_set_keys', help='Set keys required for a host to connect to a given subsystem')
2903    p.add_argument('nqn', help='Subsystem NQN')
2904    p.add_argument('host', help='Host NQN')
2905    p.add_argument('-t', '--tgt-name', help='Name of the NVMe-oF target')
2906    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
2907    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
2908    p.set_defaults(func=nvmf_subsystem_set_keys)
2909
2910    def nvmf_subsystem_allow_any_host(args):
2911        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2912                                               nqn=args.nqn,
2913                                               disable=args.disable,
2914                                               tgt_name=args.tgt_name)
2915
2916    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2917    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2918    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2919    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2920    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2921    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2922
2923    def nvmf_subsystem_get_controllers(args):
2924        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2925                                                           nqn=args.nqn,
2926                                                           tgt_name=args.tgt_name))
2927
2928    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2929                              help='Display controllers of an NVMe-oF subsystem.')
2930    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2931    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2932    p.set_defaults(func=nvmf_subsystem_get_controllers)
2933
2934    def nvmf_subsystem_get_qpairs(args):
2935        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2936                                                      nqn=args.nqn,
2937                                                      tgt_name=args.tgt_name))
2938
2939    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2940                              help='Display queue pairs of an NVMe-oF subsystem.')
2941    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2942    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2943    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2944
2945    def nvmf_subsystem_get_listeners(args):
2946        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2947                                                         nqn=args.nqn,
2948                                                         tgt_name=args.tgt_name))
2949
2950    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2951                              help='Display listeners of an NVMe-oF subsystem.')
2952    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2953    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2954    p.set_defaults(func=nvmf_subsystem_get_listeners)
2955
2956    def nvmf_get_stats(args):
2957        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2958
2959    p = subparsers.add_parser(
2960        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2961    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2962    p.set_defaults(func=nvmf_get_stats)
2963
2964    def nvmf_set_crdt(args):
2965        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2966
2967    p = subparsers.add_parser(
2968        'nvmf_set_crdt',
2969        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2970        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2971    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2972    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2973    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2974    p.set_defaults(func=nvmf_set_crdt)
2975
2976    def nvmf_publish_mdns_prr(args):
2977        rpc.nvmf.nvmf_publish_mdns_prr(args.client, args.tgt_name)
2978
2979    p = subparsers.add_parser('nvmf_publish_mdns_prr',
2980                              help='Publish pull registration request through mdns')
2981    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2982    p.set_defaults(func=nvmf_publish_mdns_prr)
2983
2984    def nvmf_stop_mdns_prr(args):
2985        rpc.nvmf.nvmf_stop_mdns_prr(args.client, args.tgt_name)
2986
2987    p = subparsers.add_parser('nvmf_stop_mdns_prr',
2988                              help='Stop publishing pull registration request through mdns')
2989    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2990    p.set_defaults(func=nvmf_stop_mdns_prr)
2991
2992    # subsystem
2993    def framework_get_subsystems(args):
2994        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2995
2996    p = subparsers.add_parser('framework_get_subsystems',
2997                              help="""Print subsystems array in initialization order. Each subsystem
2998    entry contain (unsorted) array of subsystems it depends on.""")
2999    p.set_defaults(func=framework_get_subsystems)
3000
3001    def framework_get_config(args):
3002        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
3003
3004    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
3005    p.add_argument('name', help='Name of subsystem to query')
3006    p.set_defaults(func=framework_get_config)
3007
3008    # vhost
3009    def vhost_controller_set_coalescing(args):
3010        rpc.vhost.vhost_controller_set_coalescing(args.client,
3011                                                  ctrlr=args.ctrlr,
3012                                                  delay_base_us=args.delay_base_us,
3013                                                  iops_threshold=args.iops_threshold)
3014
3015    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
3016    p.add_argument('ctrlr', help='controller name')
3017    p.add_argument('delay_base_us', help='Base delay time', type=int)
3018    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
3019    p.set_defaults(func=vhost_controller_set_coalescing)
3020
3021    def virtio_blk_create_transport(args):
3022        rpc.vhost.virtio_blk_create_transport(**vars(args))
3023
3024    p = subparsers.add_parser('virtio_blk_create_transport',
3025                              help='Create virtio blk transport')
3026    p.add_argument('name', help='transport name')
3027    p.set_defaults(func=virtio_blk_create_transport)
3028
3029    def virtio_blk_get_transports(args):
3030        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
3031
3032    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
3033    p.add_argument('--name', help='Transport name (optional)', type=str)
3034    p.set_defaults(func=virtio_blk_get_transports)
3035
3036    def vhost_create_scsi_controller(args):
3037        rpc.vhost.vhost_create_scsi_controller(args.client,
3038                                               ctrlr=args.ctrlr,
3039                                               cpumask=args.cpumask,
3040                                               delay=args.delay)
3041
3042    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
3043    p.add_argument('ctrlr', help='controller name')
3044    p.add_argument('--cpumask', help='cpu mask for this controller')
3045    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
3046    p.set_defaults(func=vhost_create_scsi_controller)
3047
3048    def vhost_start_scsi_controller(args):
3049        rpc.vhost.vhost_start_scsi_controller(args.client,
3050                                              ctrlr=args.ctrlr)
3051
3052    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
3053    p.add_argument('ctrlr', help='controller name')
3054    p.set_defaults(func=vhost_start_scsi_controller)
3055
3056    def vhost_scsi_controller_add_target(args):
3057        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
3058                                                              ctrlr=args.ctrlr,
3059                                                              scsi_target_num=args.scsi_target_num,
3060                                                              bdev_name=args.bdev_name))
3061
3062    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
3063    p.add_argument('ctrlr', help='controller name where add lun')
3064    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
3065    p.add_argument('bdev_name', help='bdev name')
3066    p.set_defaults(func=vhost_scsi_controller_add_target)
3067
3068    def vhost_scsi_controller_remove_target(args):
3069        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
3070                                                      ctrlr=args.ctrlr,
3071                                                      scsi_target_num=args.scsi_target_num)
3072
3073    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
3074                              help='Remove target from vhost controller')
3075    p.add_argument('ctrlr', help='controller name to remove target from')
3076    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
3077    p.set_defaults(func=vhost_scsi_controller_remove_target)
3078
3079    def vhost_create_blk_controller(args):
3080        rpc.vhost.vhost_create_blk_controller(**vars(args))
3081
3082    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
3083    p.add_argument('ctrlr', help='controller name')
3084    p.add_argument('dev_name', help='device name')
3085    p.add_argument('--cpumask', help='cpu mask for this controller')
3086    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
3087    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
3088    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
3089    p.set_defaults(func=vhost_create_blk_controller)
3090
3091    def vhost_get_controllers(args):
3092        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
3093
3094    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
3095    p.add_argument('-n', '--name', help="Name of vhost controller")
3096    p.set_defaults(func=vhost_get_controllers)
3097
3098    def vhost_delete_controller(args):
3099        rpc.vhost.vhost_delete_controller(args.client,
3100                                          ctrlr=args.ctrlr)
3101
3102    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
3103    p.add_argument('ctrlr', help='controller name')
3104    p.set_defaults(func=vhost_delete_controller)
3105
3106    def bdev_virtio_attach_controller(args):
3107        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
3108                                                            name=args.name,
3109                                                            trtype=args.trtype,
3110                                                            traddr=args.traddr,
3111                                                            dev_type=args.dev_type,
3112                                                            vq_count=args.vq_count,
3113                                                            vq_size=args.vq_size))
3114
3115    p = subparsers.add_parser('bdev_virtio_attach_controller',
3116                              help="""Attach virtio controller using provided
3117    transport type and device type. This will also create bdevs for any block devices connected to the
3118    controller (for example, SCSI devices for a virtio-scsi controller).
3119    Result is array of added bdevs.""")
3120    p.add_argument('name', help="Use this name as base for new created bdevs")
3121    p.add_argument('-t', '--trtype',
3122                   help='Virtio target transport type: pci or user', required=True)
3123    p.add_argument('-a', '--traddr',
3124                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
3125    p.add_argument('-d', '--dev-type',
3126                   help='Device type: blk or scsi', required=True)
3127    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
3128    p.add_argument('--vq-size', help='Size of each queue', type=int)
3129    p.set_defaults(func=bdev_virtio_attach_controller)
3130
3131    def bdev_virtio_scsi_get_devices(args):
3132        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
3133
3134    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
3135    p.set_defaults(func=bdev_virtio_scsi_get_devices)
3136
3137    def bdev_virtio_detach_controller(args):
3138        rpc.vhost.bdev_virtio_detach_controller(args.client,
3139                                                name=args.name)
3140
3141    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
3142    This will delete all bdevs exposed by this device""")
3143    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
3144    p.set_defaults(func=bdev_virtio_detach_controller)
3145
3146    def bdev_virtio_blk_set_hotplug(args):
3147        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3148
3149    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3150    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3151    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3152    p.add_argument('-r', '--period-us',
3153                   help='How often the hotplug is processed for insert and remove events', type=int)
3154    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3155
3156    # vfio-user target
3157    def vfu_tgt_set_base_path(args):
3158        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3159
3160    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3161    p.add_argument('path', help='socket base path')
3162    p.set_defaults(func=vfu_tgt_set_base_path)
3163
3164    def vfu_virtio_delete_endpoint(args):
3165        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3166
3167    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3168    p.add_argument('name', help='Endpoint name')
3169    p.set_defaults(func=vfu_virtio_delete_endpoint)
3170
3171    def vfu_virtio_create_blk_endpoint(args):
3172        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3173                                                     name=args.name,
3174                                                     bdev_name=args.bdev_name,
3175                                                     cpumask=args.cpumask,
3176                                                     num_queues=args.num_queues,
3177                                                     qsize=args.qsize,
3178                                                     packed_ring=args.packed_ring)
3179
3180    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3181    p.add_argument('name', help='Name of the endpoint')
3182    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3183    p.add_argument('--cpumask', help='CPU masks')
3184    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3185    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3186    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3187    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3188
3189    def vfu_virtio_scsi_add_target(args):
3190        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3191                                                 name=args.name,
3192                                                 scsi_target_num=args.scsi_target_num,
3193                                                 bdev_name=args.bdev_name)
3194
3195    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3196    p.add_argument('name', help='Name of the endpoint')
3197    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3198    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3199    p.set_defaults(func=vfu_virtio_scsi_add_target)
3200
3201    def vfu_virtio_scsi_remove_target(args):
3202        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3203                                                    name=args.name,
3204                                                    scsi_target_num=args.scsi_target_num)
3205
3206    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3207    p.add_argument('name', help='Name of the endpoint')
3208    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3209    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3210
3211    def vfu_virtio_create_scsi_endpoint(args):
3212        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3213                                                      name=args.name,
3214                                                      cpumask=args.cpumask,
3215                                                      num_io_queues=args.num_io_queues,
3216                                                      qsize=args.qsize,
3217                                                      packed_ring=args.packed_ring)
3218
3219    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3220    p.add_argument('name', help='Name of the endpoint')
3221    p.add_argument('--cpumask', help='CPU masks')
3222    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3223    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3224    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3225    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3226
3227    def vfu_virtio_create_fs_endpoint(args):
3228        rpc.vfio_user.vfu_virtio_create_fs_endpoint(args.client,
3229                                                    name=args.name,
3230                                                    fsdev_name=args.fsdev_name,
3231                                                    tag=args.tag,
3232                                                    cpumask=args.cpumask,
3233                                                    num_queues=args.num_queues,
3234                                                    qsize=args.qsize,
3235                                                    packed_ring=args.packed_ring)
3236
3237    p = subparsers.add_parser('vfu_virtio_create_fs_endpoint', help='Create virtio-fs endpoint.')
3238    p.add_argument('name', help='Name of the endpoint')
3239    p.add_argument('--fsdev-name', help='fsdev name', type=str, required=True)
3240    p.add_argument('--tag', help='virtiofs tag', type=str, required=True)
3241    p.add_argument('--cpumask', help='CPU masks')
3242    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3243    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3244    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3245    p.set_defaults(func=vfu_virtio_create_fs_endpoint)
3246
3247    # accel_fw
3248    def accel_get_opc_assignments(args):
3249        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3250
3251    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3252    p.set_defaults(func=accel_get_opc_assignments)
3253
3254    def accel_get_module_info(args):
3255        print_dict(rpc.accel.accel_get_module_info(args.client))
3256
3257    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3258                              help='Get list of valid module names and their operations.')
3259    p.set_defaults(func=accel_get_module_info)
3260
3261    def accel_assign_opc(args):
3262        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3263
3264    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3265    p.add_argument('-o', '--opname', help='opname')
3266    p.add_argument('-m', '--module', help='name of module')
3267    p.set_defaults(func=accel_assign_opc)
3268
3269    def accel_crypto_key_create(args):
3270        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3271                                                     cipher=args.cipher,
3272                                                     key=args.key,
3273                                                     key2=args.key2,
3274                                                     tweak_mode=args.tweak_mode,
3275                                                     name=args.name))
3276
3277    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3278    p.add_argument('-c', '--cipher', help='cipher', required=True)
3279    p.add_argument('-k', '--key', help='key', required=True)
3280    p.add_argument('-e', '--key2', help='key2', default=None)
3281    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3282    p.add_argument('-n', '--name', help='key name', required=True)
3283    p.set_defaults(func=accel_crypto_key_create)
3284
3285    def accel_crypto_key_destroy(args):
3286        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3287                                                      key_name=args.name))
3288
3289    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3290    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3291    p.set_defaults(func=accel_crypto_key_destroy)
3292
3293    def accel_crypto_keys_get(args):
3294        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3295                                                   key_name=args.key_name))
3296
3297    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3298    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3299    p.set_defaults(func=accel_crypto_keys_get)
3300
3301    def accel_set_driver(args):
3302        rpc.accel.accel_set_driver(args.client, name=args.name)
3303
3304    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3305                              'operation chains')
3306    p.add_argument('name', help='name of the platform driver')
3307    p.set_defaults(func=accel_set_driver)
3308
3309    def accel_set_options(args):
3310        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3311                                    args.task_count, args.sequence_count, args.buf_count)
3312
3313    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3314    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3315    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3316    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3317    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3318    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3319    p.set_defaults(func=accel_set_options)
3320
3321    def accel_get_stats(args):
3322        print_dict(rpc.accel.accel_get_stats(args.client))
3323
3324    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3325    p.set_defaults(func=accel_get_stats)
3326
3327    # ioat
3328    def ioat_scan_accel_module(args):
3329        rpc.ioat.ioat_scan_accel_module(args.client)
3330
3331    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3332                              help='Enable IOAT accel module offload.')
3333    p.set_defaults(func=ioat_scan_accel_module)
3334
3335    # dpdk compressdev
3336    def compressdev_scan_accel_module(args):
3337        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3338
3339    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3340    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only, 3 = uadk only')
3341    p.set_defaults(func=compressdev_scan_accel_module)
3342
3343    # dsa
3344    def dsa_scan_accel_module(args):
3345        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3346
3347    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3348                              help='Set config and enable dsa accel module offload.')
3349    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3350                   action='store_true', dest='config_kernel_mode')
3351    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3352
3353    # iaa
3354    def iaa_scan_accel_module(args):
3355        rpc.iaa.iaa_scan_accel_module(args.client)
3356
3357    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3358                              help='Set config and enable iaa accel module offload.')
3359    p.set_defaults(func=iaa_scan_accel_module)
3360
3361    def dpdk_cryptodev_scan_accel_module(args):
3362        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3363
3364    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3365                              help='Enable dpdk_cryptodev accel module offload.')
3366    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3367
3368    def dpdk_cryptodev_set_driver(args):
3369        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3370                                                     driver_name=args.driver_name)
3371
3372    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3373                              help='Set the DPDK cryptodev driver.')
3374    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3375    p.set_defaults(func=dpdk_cryptodev_set_driver)
3376
3377    def dpdk_cryptodev_get_driver(args):
3378        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3379
3380    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3381    p.set_defaults(func=dpdk_cryptodev_get_driver)
3382
3383    # mlx5
3384    def mlx5_scan_accel_module(args):
3385        rpc.mlx5.mlx5_scan_accel_module(args.client,
3386                                        qp_size=args.qp_size,
3387                                        num_requests=args.num_requests,
3388                                        allowed_devs=args.allowed_devs,
3389                                        crypto_split_blocks=args.crypto_split_blocks)
3390
3391    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3392    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3393    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3394    p.add_argument('-d', '--allowed-devs', help="Comma separated list of allowed device names, e.g. mlx5_0,mlx5_1")
3395    p.add_argument('-s', '--crypto-split-blocks', type=int,
3396                   help="Number of data blocks to be processed in 1 crypto UMR. [0-65535], 0 means no limit")
3397    p.set_defaults(func=mlx5_scan_accel_module)
3398
3399    def accel_mlx5_dump_stats(args):
3400        print_dict(rpc.mlx5.accel_mlx5_dump_stats(args.client, level=args.level))
3401
3402    p = subparsers.add_parser('accel_mlx5_dump_stats', help='Dump accel mlx5 module statistics.')
3403    p.add_argument('-l', '--level', type=str, help='Verbose level, one of \"total\", \"channel\" or \"device\"')
3404    p.set_defaults(func=accel_mlx5_dump_stats)
3405
3406    # accel_error
3407    def accel_error_inject_error(args):
3408        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3409                                           type=args.type, count=args.count,
3410                                           interval=args.interval, errcode=args.errcode)
3411
3412    p = subparsers.add_parser('accel_error_inject_error',
3413                              help='Inject an error to processing accel operation')
3414    p.add_argument('-o', '--opcode', help='Opcode')
3415    p.add_argument('-t', '--type',
3416                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3417    p.add_argument('-c', '--count', type=int,
3418                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3419    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3420    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3421    p.set_defaults(func=accel_error_inject_error)
3422
3423    # opal
3424    def bdev_nvme_opal_init(args):
3425        rpc.nvme.bdev_nvme_opal_init(args.client,
3426                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3427                                     password=args.password)
3428
3429    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3430    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3431    p.add_argument('-p', '--password', help='password for admin')
3432    p.set_defaults(func=bdev_nvme_opal_init)
3433
3434    def bdev_nvme_opal_revert(args):
3435        rpc.nvme.bdev_nvme_opal_revert(args.client,
3436                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3437                                       password=args.password)
3438    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3439    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3440    p.add_argument('-p', '--password', help='password')
3441    p.set_defaults(func=bdev_nvme_opal_revert)
3442
3443    def bdev_opal_create(args):
3444        print_json(rpc.bdev.bdev_opal_create(args.client,
3445                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3446                                             nsid=args.nsid,
3447                                             locking_range_id=args.locking_range_id,
3448                                             range_start=args.range_start,
3449                                             range_length=args.range_length,
3450                                             password=args.password))
3451
3452    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3453    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3454    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3455    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3456    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3457    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3458    p.add_argument('-p', '--password', help='admin password', required=True)
3459    p.set_defaults(func=bdev_opal_create)
3460
3461    def bdev_opal_get_info(args):
3462        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3463                                               bdev_name=args.bdev_name,
3464                                               password=args.password))
3465
3466    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3467    p.add_argument('-b', '--bdev-name', help='opal bdev')
3468    p.add_argument('-p', '--password', help='password')
3469    p.set_defaults(func=bdev_opal_get_info)
3470
3471    def bdev_opal_delete(args):
3472        rpc.bdev.bdev_opal_delete(args.client,
3473                                  bdev_name=args.bdev_name,
3474                                  password=args.password)
3475
3476    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3477    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3478    p.add_argument('-p', '--password', help='admin password', required=True)
3479    p.set_defaults(func=bdev_opal_delete)
3480
3481    def bdev_opal_new_user(args):
3482        rpc.bdev.bdev_opal_new_user(args.client,
3483                                    bdev_name=args.bdev_name,
3484                                    admin_password=args.admin_password,
3485                                    user_id=args.user_id,
3486                                    user_password=args.user_password)
3487
3488    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3489    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3490    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3491    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3492    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3493    p.set_defaults(func=bdev_opal_new_user)
3494
3495    def bdev_opal_set_lock_state(args):
3496        rpc.bdev.bdev_opal_set_lock_state(args.client,
3497                                          bdev_name=args.bdev_name,
3498                                          user_id=args.user_id,
3499                                          password=args.password,
3500                                          lock_state=args.lock_state)
3501
3502    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3503    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3504    p.add_argument('-i', '--user-id', help='ID of the user who want to set lock state, either admin or a user assigned to this bdev',
3505                   type=int, required=True)
3506    p.add_argument('-p', '--password', help='password of this user', required=True)
3507    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3508    p.set_defaults(func=bdev_opal_set_lock_state)
3509
3510    # bdev_nvme_send_cmd
3511    def bdev_nvme_send_cmd(args):
3512        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3513                                               name=args.nvme_name,
3514                                               cmd_type=args.cmd_type,
3515                                               data_direction=args.data_direction,
3516                                               cmdbuf=args.cmdbuf,
3517                                               data=args.data,
3518                                               metadata=args.metadata,
3519                                               data_len=args.data_length,
3520                                               metadata_len=args.metadata_length,
3521                                               timeout_ms=args.timeout_ms))
3522
3523    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3524    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3525    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3526    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3527    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3528    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3529    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3530    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3531    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3532    p.add_argument('-T', '--timeout-ms',
3533                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3534    p.set_defaults(func=bdev_nvme_send_cmd)
3535
3536    # Notifications
3537    def notify_get_types(args):
3538        print_dict(rpc.notify.notify_get_types(args.client))
3539
3540    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3541    p.set_defaults(func=notify_get_types)
3542
3543    def notify_get_notifications(args):
3544        ret = rpc.notify.notify_get_notifications(args.client,
3545                                                  id=args.id,
3546                                                  max=args.max)
3547        print_dict(ret)
3548
3549    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3550    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3551    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3552    p.set_defaults(func=notify_get_notifications)
3553
3554    def thread_get_stats(args):
3555        print_dict(rpc.app.thread_get_stats(args.client))
3556
3557    p = subparsers.add_parser(
3558        'thread_get_stats', help='Display current statistics of all the threads')
3559    p.set_defaults(func=thread_get_stats)
3560
3561    def thread_set_cpumask(args):
3562        ret = rpc.app.thread_set_cpumask(args.client,
3563                                         id=args.id,
3564                                         cpumask=args.cpumask)
3565    p = subparsers.add_parser('thread_set_cpumask',
3566                              help="""set the cpumask of the thread whose ID matches to the
3567    specified value. The thread may be migrated to one of the specified CPUs.""")
3568    p.add_argument('-i', '--id', type=int, help='thread ID')
3569    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3570    p.set_defaults(func=thread_set_cpumask)
3571
3572    def log_enable_timestamps(args):
3573        ret = rpc.app.log_enable_timestamps(args.client,
3574                                            enabled=args.enabled)
3575    p = subparsers.add_parser('log_enable_timestamps',
3576                              help='Enable or disable timestamps.')
3577    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3578    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3579    p.set_defaults(func=log_enable_timestamps)
3580
3581    def thread_get_pollers(args):
3582        print_dict(rpc.app.thread_get_pollers(args.client))
3583
3584    p = subparsers.add_parser(
3585        'thread_get_pollers', help='Display current pollers of all the threads')
3586    p.set_defaults(func=thread_get_pollers)
3587
3588    def thread_get_io_channels(args):
3589        print_dict(rpc.app.thread_get_io_channels(args.client))
3590
3591    p = subparsers.add_parser(
3592        'thread_get_io_channels', help='Display current IO channels of all the threads')
3593    p.set_defaults(func=thread_get_io_channels)
3594
3595    def env_dpdk_get_mem_stats(args):
3596        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3597
3598    p = subparsers.add_parser(
3599        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3600    p.set_defaults(func=env_dpdk_get_mem_stats)
3601
3602    # blobfs
3603    def blobfs_detect(args):
3604        print(rpc.blobfs.blobfs_detect(args.client,
3605                                       bdev_name=args.bdev_name))
3606
3607    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3608    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3609    p.set_defaults(func=blobfs_detect)
3610
3611    def blobfs_create(args):
3612        print(rpc.blobfs.blobfs_create(args.client,
3613                                       bdev_name=args.bdev_name,
3614                                       cluster_sz=args.cluster_sz))
3615
3616    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3617    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3618    p.add_argument('-c', '--cluster-sz',
3619                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3620    p.set_defaults(func=blobfs_create)
3621
3622    def blobfs_mount(args):
3623        print(rpc.blobfs.blobfs_mount(args.client,
3624                                      bdev_name=args.bdev_name,
3625                                      mountpoint=args.mountpoint))
3626
3627    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3628    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3629    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3630    p.set_defaults(func=blobfs_mount)
3631
3632    def blobfs_set_cache_size(args):
3633        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3634                                               size_in_mb=args.size_in_mb))
3635
3636    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3637    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3638    p.set_defaults(func=blobfs_set_cache_size)
3639
3640    # fsdev
3641    def fsdev_get_opts(args):
3642        print_json(rpc.fsdev.fsdev_get_opts(args.client))
3643
3644    p = subparsers.add_parser('fsdev_get_opts', help='Get the fsdev subsystem options')
3645    p.set_defaults(func=fsdev_get_opts)
3646
3647    def fsdev_set_opts(args):
3648        print(rpc.fsdev.fsdev_set_opts(args.client, fsdev_io_pool_size=args.fsdev_io_pool_size,
3649                                       fsdev_io_cache_size=args.fsdev_io_cache_size))
3650
3651    p = subparsers.add_parser('fsdev_set_opts', help='Set the fsdev subsystem options')
3652    p.add_argument('fsdev-io-pool-size', help='Size of fsdev IO objects pool', type=int)
3653    p.add_argument('fsdev-io-cache-size', help='Size of fsdev IO objects cache per thread', type=int)
3654    p.set_defaults(func=fsdev_set_opts)
3655
3656    def fsdev_aio_create(args):
3657        print(rpc.fsdev.fsdev_aio_create(args.client, name=args.name, root_path=args.root_path,
3658                                         enable_xattr=args.enable_xattr, enable_writeback_cache=args.enable_writeback_cache,
3659                                         max_write=args.max_write))
3660
3661    p = subparsers.add_parser('fsdev_aio_create', help='Create a aio filesystem')
3662    p.add_argument('name', help='Filesystem name. Example: aio0.')
3663    p.add_argument('root_path', help='Path on the system fs to expose as SPDK filesystem')
3664
3665    group = p.add_mutually_exclusive_group()
3666    group.add_argument('--enable-xattr', help='Enable extended attributes', action='store_true', default=None)
3667    group.add_argument('--disable-xattr', help='Disable extended attributes', dest='enable_xattr', action='store_false', default=None)
3668
3669    group = p.add_mutually_exclusive_group()
3670    group.add_argument('--enable-writeback-cache', help='Enable writeback cache', action='store_true', default=None)
3671    group.add_argument('--disable-writeback-cache', help='Disable writeback cache', dest='enable_writeback_cache', action='store_false',
3672                       default=None)
3673
3674    p.add_argument('-w', '--max-write', help='Max write size in bytes', type=int)
3675    p.set_defaults(func=fsdev_aio_create)
3676
3677    def fsdev_aio_delete(args):
3678        print(rpc.fsdev.fsdev_aio_delete(args.client, name=args.name))
3679
3680    p = subparsers.add_parser('fsdev_aio_delete', help='Delete a aio filesystem')
3681    p.add_argument('name', help='Filesystem name. Example: aio0.')
3682    p.set_defaults(func=fsdev_aio_delete)
3683
3684    # sock
3685    def sock_impl_get_options(args):
3686        print_json(rpc.sock.sock_impl_get_options(args.client,
3687                                                  impl_name=args.impl))
3688
3689    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3690    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3691    p.set_defaults(func=sock_impl_get_options)
3692
3693    def sock_impl_set_options(args):
3694        rpc.sock.sock_impl_set_options(args.client,
3695                                       impl_name=args.impl,
3696                                       recv_buf_size=args.recv_buf_size,
3697                                       send_buf_size=args.send_buf_size,
3698                                       enable_recv_pipe=args.enable_recv_pipe,
3699                                       enable_quickack=args.enable_quickack,
3700                                       enable_placement_id=args.enable_placement_id,
3701                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3702                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3703                                       zerocopy_threshold=args.zerocopy_threshold,
3704                                       tls_version=args.tls_version,
3705                                       enable_ktls=args.enable_ktls)
3706
3707    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3708    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3709    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3710    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3711    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3712    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3713                   action='store_true', dest='enable_recv_pipe')
3714    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3715                   action='store_false', dest='enable_recv_pipe')
3716    p.add_argument('--enable-quickack', help='Enable quick ACK',
3717                   action='store_true', dest='enable_quickack')
3718    p.add_argument('--disable-quickack', help='Disable quick ACK',
3719                   action='store_false', dest='enable_quickack')
3720    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3721                   action='store_true', dest='enable_zerocopy_send_server')
3722    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3723                   action='store_false', dest='enable_zerocopy_send_server')
3724    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3725                   action='store_true', dest='enable_zerocopy_send_client')
3726    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3727                   action='store_false', dest='enable_zerocopy_send_client')
3728    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3729    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3730    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3731                   action='store_true', dest='enable_ktls')
3732    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3733                   action='store_false', dest='enable_ktls')
3734    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3735                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3736                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3737
3738    def sock_set_default_impl(args):
3739        print_json(rpc.sock.sock_set_default_impl(args.client,
3740                                                  impl_name=args.impl))
3741
3742    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3743    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3744    p.set_defaults(func=sock_set_default_impl)
3745
3746    def sock_get_default_impl(args):
3747        print_json(rpc.sock.sock_get_default_impl(args.client))
3748
3749    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3750    p.set_defaults(func=sock_get_default_impl)
3751
3752    def framework_get_pci_devices(args):
3753        def splitbuf(buf, step):
3754            return [buf[i:i+step] for i in range(0, len(buf), step)]
3755
3756        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3757        if not args.format_lspci:
3758            print_json(devices)
3759        else:
3760            for devid, dev in enumerate(devices):
3761                print('{} device #{}'.format(dev['address'], devid))
3762                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3763                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3764                print()
3765
3766    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3767    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3768                   action='store_true')
3769    p.set_defaults(func=framework_get_pci_devices)
3770
3771    # bdev_nvme_add_error_injection
3772    def bdev_nvme_add_error_injection(args):
3773        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3774                                                          name=args.nvme_name,
3775                                                          cmd_type=args.cmd_type,
3776                                                          opc=args.opc,
3777                                                          do_not_submit=args.do_not_submit,
3778                                                          timeout_in_us=args.timeout_in_us,
3779                                                          err_count=args.err_count,
3780                                                          sct=args.sct,
3781                                                          sc=args.sc))
3782    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3783                              help='Add a NVMe command error injection.')
3784    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3785    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3786    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3787    p.add_argument('-s', '--do-not-submit',
3788                   help="""Set to true if request should not be submitted to the controller""",
3789                   dest="do_not_submit", action='store_true')
3790    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3791    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3792    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3793    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3794    p.set_defaults(func=bdev_nvme_add_error_injection)
3795
3796    # bdev_nvme_remove_error_injection
3797    def bdev_nvme_remove_error_injection(args):
3798        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3799                                                             name=args.nvme_name,
3800                                                             cmd_type=args.cmd_type,
3801                                                             opc=args.opc))
3802    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3803                              help='Removes a NVMe command error injection.')
3804    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3805    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3806    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3807    p.set_defaults(func=bdev_nvme_remove_error_injection)
3808
3809    def bdev_daos_create(args):
3810        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3811        print_json(rpc.bdev.bdev_daos_create(args.client,
3812                                             num_blocks=int(num_blocks),
3813                                             block_size=args.block_size,
3814                                             name=args.name,
3815                                             uuid=args.uuid,
3816                                             pool=args.pool,
3817                                             cont=args.cont,
3818                                             oclass=args.oclass))
3819    p = subparsers.add_parser('bdev_daos_create',
3820                              help='Create a bdev with DAOS backend')
3821    p.add_argument('name', help="Name of the bdev")
3822    p.add_argument('pool', help="UUID of the DAOS pool")
3823    p.add_argument('cont', help="UUID of the DAOS container")
3824    p.add_argument(
3825        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3826    p.add_argument('block_size', help='Block size for this bdev', type=int)
3827    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3828    p.add_argument('-o', '--oclass', help="DAOS object class")
3829    p.set_defaults(func=bdev_daos_create)
3830
3831    def bdev_daos_delete(args):
3832        rpc.bdev.bdev_daos_delete(args.client,
3833                                  name=args.name)
3834
3835    p = subparsers.add_parser('bdev_daos_delete',
3836                              help='Delete a DAOS disk')
3837    p.add_argument('name', help='DAOS bdev name')
3838    p.set_defaults(func=bdev_daos_delete)
3839
3840    def bdev_daos_resize(args):
3841        print_json(rpc.bdev.bdev_daos_resize(args.client,
3842                                             name=args.name,
3843                                             new_size=int(args.new_size)))
3844
3845    p = subparsers.add_parser('bdev_daos_resize',
3846                              help='Resize a DAOS bdev')
3847    p.add_argument('name', help='DAOS bdev name')
3848    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3849    p.set_defaults(func=bdev_daos_resize)
3850
3851    def iobuf_set_options(args):
3852        rpc.iobuf.iobuf_set_options(args.client,
3853                                    small_pool_count=args.small_pool_count,
3854                                    large_pool_count=args.large_pool_count,
3855                                    small_bufsize=args.small_bufsize,
3856                                    large_bufsize=args.large_bufsize)
3857    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3858    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3859    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3860    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3861    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3862    p.set_defaults(func=iobuf_set_options)
3863
3864    def iobuf_get_stats(args):
3865        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3866
3867    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3868    p.set_defaults(func=iobuf_get_stats)
3869
3870    def bdev_nvme_start_mdns_discovery(args):
3871        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3872                                                name=args.name,
3873                                                svcname=args.svcname,
3874                                                hostnqn=args.hostnqn)
3875
3876    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3877    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3878    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3879    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3880    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3881
3882    def bdev_nvme_stop_mdns_discovery(args):
3883        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3884
3885    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3886    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3887    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3888
3889    def bdev_nvme_get_mdns_discovery_info(args):
3890        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3891
3892    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3893    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3894
3895    def keyring_file_add_key(args):
3896        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3897
3898    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3899    p.add_argument('name', help='Name of the key to add')
3900    p.add_argument('path', help='Path of the file containing the key')
3901    p.set_defaults(func=keyring_file_add_key)
3902
3903    def keyring_file_remove_key(args):
3904        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3905
3906    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3907    p.add_argument('name', help='Name of the key to remove')
3908    p.set_defaults(func=keyring_file_remove_key)
3909
3910    def keyring_get_keys(args):
3911        print_dict(rpc.keyring.keyring_get_keys(args.client))
3912
3913    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3914    p.set_defaults(func=keyring_get_keys)
3915
3916    def keyring_linux_set_options(args):
3917        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3918
3919    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3920    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3921    p.set_defaults(func=keyring_linux_set_options)
3922
3923    def check_called_name(name):
3924        if name in deprecated_aliases:
3925            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3926
3927    class dry_run_client:
3928        def call(self, method, params=None):
3929            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3930
3931    def null_print(arg):
3932        pass
3933
3934    def call_rpc_func(args):
3935        args.func(args)
3936        check_called_name(args.called_rpc_name)
3937
3938    def execute_script(parser, client, timeout, fd):
3939        executed_rpc = ""
3940        for rpc_call in map(str.rstrip, fd):
3941            if not rpc_call.strip():
3942                continue
3943            executed_rpc = "\n".join([executed_rpc, rpc_call])
3944            rpc_args = shlex.split(rpc_call)
3945            if rpc_args[0][0] == '#':
3946                # Ignore lines starting with # - treat them as comments
3947                continue
3948            args = parser.parse_args(rpc_args)
3949            args.client = client
3950            args.timeout = timeout
3951            try:
3952                call_rpc_func(args)
3953            except JSONRPCException as ex:
3954                print("Exception:")
3955                print(executed_rpc.strip() + " <<<")
3956                print(ex.message)
3957                exit(1)
3958
3959    def load_plugin(args):
3960        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3961        plugin_parser = argparse.ArgumentParser(add_help=False)
3962        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3963
3964        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3965        if args is not None:
3966            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3967
3968        if rpc_module in plugins:
3969            return
3970
3971        if rpc_module is not None:
3972            try:
3973                rpc_plugin = importlib.import_module(rpc_module)
3974                try:
3975                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3976                    plugins.append(rpc_module)
3977                except AttributeError:
3978                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3979            except ModuleNotFoundError:
3980                print("Module %s not found" % rpc_module)
3981
3982    def replace_arg_underscores(args):
3983        # All option names are defined with dashes only - for example: --tgt-name
3984        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3985        # SPDK was inconsistent previously and had some options with underscores, so
3986        # doing this conversion ensures backward compatibility with older scripts.
3987        for i in range(len(args)):
3988            arg = args[i]
3989            if arg.startswith('--') and "_" in arg:
3990                opt, *vals = arg.split('=')
3991                args[i] = '='.join([opt.replace('_', '-'), *vals])
3992
3993    plugins = []
3994    load_plugin(None)
3995
3996    replace_arg_underscores(sys.argv)
3997
3998    args = parser.parse_args()
3999
4000    try:
4001        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
4002    except ValueError:
4003        use_go_client = False
4004
4005    if sys.stdin.isatty() and not hasattr(args, 'func'):
4006        # No arguments and no data piped through stdin
4007        parser.print_help()
4008        exit(1)
4009    if args.is_server:
4010        for input in sys.stdin:
4011            cmd = shlex.split(input)
4012            replace_arg_underscores(cmd)
4013            try:
4014                load_plugin(cmd)
4015                tmp_args = parser.parse_args(cmd)
4016            except SystemExit as ex:
4017                print("**STATUS=1", flush=True)
4018                continue
4019
4020            try:
4021                if use_go_client:
4022                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
4023                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
4024                else:
4025                    tmp_args.client = rpc.client.JSONRPCClient(
4026                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
4027                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
4028                call_rpc_func(tmp_args)
4029                print("**STATUS=0", flush=True)
4030            except JSONRPCException as ex:
4031                print(ex.message)
4032                print("**STATUS=1", flush=True)
4033        exit(0)
4034    elif args.dry_run:
4035        args.client = dry_run_client()
4036        print_dict = null_print
4037        print_json = null_print
4038        print_array = null_print
4039    elif args.go_client or use_go_client:
4040        try:
4041            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
4042                                                     log_level=getattr(logging, args.verbose.upper()))
4043        except JSONRPCException as ex:
4044            print(ex.message)
4045            exit(1)
4046    else:
4047        try:
4048            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
4049                                                   log_level=getattr(logging, args.verbose.upper()),
4050                                                   conn_retries=args.conn_retries)
4051        except JSONRPCException as ex:
4052            print(ex.message)
4053            exit(1)
4054
4055    if hasattr(args, 'func'):
4056        try:
4057            call_rpc_func(args)
4058        except JSONRPCException as ex:
4059            print(ex.message)
4060            exit(1)
4061    else:
4062        execute_script(parser, args.client, args.timeout, sys.stdin)
4063