xref: /spdk/scripts/rpc.py (revision c65983c9f2000473107a4a5e01f98c1563e7334a)
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
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int)
181    p.set_defaults(func=framework_set_scheduler)
182
183    def framework_get_scheduler(args):
184        print_dict(rpc.app.framework_get_scheduler(args.client))
185
186    p = subparsers.add_parser(
187        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
188    p.set_defaults(func=framework_get_scheduler)
189
190    def framework_get_governor(args):
191        print_dict(rpc.app.framework_get_governor(args.client))
192
193    p = subparsers.add_parser(
194        'framework_get_governor', help='Display currently set governor and the available, set CPU frequencies.')
195    p.set_defaults(func=framework_get_governor)
196
197    def framework_disable_cpumask_locks(args):
198        rpc.framework_disable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_disable_cpumask_locks',
201                              help='Disable CPU core lock files.')
202    p.set_defaults(func=framework_disable_cpumask_locks)
203
204    def framework_enable_cpumask_locks(args):
205        rpc.framework_enable_cpumask_locks(args.client)
206
207    p = subparsers.add_parser('framework_enable_cpumask_locks',
208                              help='Enable CPU core lock files.')
209    p.set_defaults(func=framework_enable_cpumask_locks)
210
211    # bdev
212    def bdev_set_options(args):
213        rpc.bdev.bdev_set_options(args.client,
214                                  bdev_io_pool_size=args.bdev_io_pool_size,
215                                  bdev_io_cache_size=args.bdev_io_cache_size,
216                                  bdev_auto_examine=args.bdev_auto_examine,
217                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
218                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
219
220    p = subparsers.add_parser('bdev_set_options',
221                              help="""Set options of bdev subsystem""")
222    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
223    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
224    group = p.add_mutually_exclusive_group()
225    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
226    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
227    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
228    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
229    p.set_defaults(bdev_auto_examine=True)
230    p.set_defaults(func=bdev_set_options)
231
232    def bdev_examine(args):
233        rpc.bdev.bdev_examine(args.client,
234                              name=args.name)
235
236    p = subparsers.add_parser('bdev_examine',
237                              help="""examine a bdev if it exists, or will examine it after it is created""")
238    p.add_argument('-b', '--name', help='Name or alias of the bdev')
239    p.set_defaults(func=bdev_examine)
240
241    def bdev_wait_for_examine(args):
242        rpc.bdev.bdev_wait_for_examine(args.client)
243
244    p = subparsers.add_parser('bdev_wait_for_examine',
245                              help="""Report when all bdevs have been examined""")
246    p.set_defaults(func=bdev_wait_for_examine)
247
248    def bdev_compress_create(args):
249        print_json(rpc.bdev.bdev_compress_create(args.client,
250                                                 base_bdev_name=args.base_bdev_name,
251                                                 pm_path=args.pm_path,
252                                                 lb_size=args.lb_size))
253
254    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
255    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
256    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
257    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
258    p.set_defaults(func=bdev_compress_create)
259
260    def bdev_compress_delete(args):
261        rpc.bdev.bdev_compress_delete(args.client,
262                                      name=args.name)
263
264    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
265    p.add_argument('name', help='compress bdev name')
266    p.set_defaults(func=bdev_compress_delete)
267
268    def bdev_compress_get_orphans(args):
269        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
270                                                      name=args.name))
271    p = subparsers.add_parser(
272        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
273    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
274    p.set_defaults(func=bdev_compress_get_orphans)
275
276    def bdev_crypto_create(args):
277        print_json(rpc.bdev.bdev_crypto_create(args.client,
278                                               base_bdev_name=args.base_bdev_name,
279                                               name=args.name,
280                                               crypto_pmd=args.crypto_pmd,
281                                               key=args.key,
282                                               cipher=args.cipher,
283                                               key2=args.key2,
284                                               key_name=args.key_name))
285    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
286    p.add_argument('base_bdev_name', help="Name of the base bdev")
287    p.add_argument('name', help="Name of the crypto vbdev")
288    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
289    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
290    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
291    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
292    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
293    p.set_defaults(func=bdev_crypto_create)
294
295    def bdev_crypto_delete(args):
296        rpc.bdev.bdev_crypto_delete(args.client,
297                                    name=args.name)
298
299    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
300    p.add_argument('name', help='crypto bdev name')
301    p.set_defaults(func=bdev_crypto_delete)
302
303    def bdev_ocf_create(args):
304        print_json(rpc.bdev.bdev_ocf_create(args.client,
305                                            name=args.name,
306                                            mode=args.mode,
307                                            cache_line_size=args.cache_line_size,
308                                            cache_bdev_name=args.cache_bdev_name,
309                                            core_bdev_name=args.core_bdev_name))
310    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
311    p.add_argument('name', help='Name of resulting OCF bdev')
312    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
313    p.add_argument(
314        '--cache-line-size',
315        help='OCF cache line size. The unit is KiB',
316        type=int,
317        choices=[4, 8, 16, 32, 64]
318    )
319    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
320    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
321    p.set_defaults(func=bdev_ocf_create)
322
323    def bdev_ocf_delete(args):
324        rpc.bdev.bdev_ocf_delete(args.client,
325                                 name=args.name)
326
327    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_delete)
330
331    def bdev_ocf_get_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
333                                               name=args.name))
334    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_get_stats)
337
338    def bdev_ocf_reset_stats(args):
339        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
340                                                 name=args.name))
341    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
342    p.add_argument('name', help='Name of OCF bdev')
343    p.set_defaults(func=bdev_ocf_reset_stats)
344
345    def bdev_ocf_get_bdevs(args):
346        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
347                                               name=args.name))
348    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
349    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
350    p.set_defaults(func=bdev_ocf_get_bdevs)
351
352    def bdev_ocf_set_cache_mode(args):
353        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
354                                                    name=args.name,
355                                                    mode=args.mode))
356    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
357                              help='Set cache mode of OCF block device')
358    p.add_argument('name', help='Name of OCF bdev')
359    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
360    p.set_defaults(func=bdev_ocf_set_cache_mode)
361
362    def bdev_ocf_set_seqcutoff(args):
363        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
364                                        name=args.name,
365                                        policy=args.policy,
366                                        threshold=args.threshold,
367                                        promotion_count=args.promotion_count)
368    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
369                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
370    p.add_argument('name', help='Name of OCF cache bdev')
371    p.add_argument('-t', '--threshold', type=int,
372                   help='Activation threshold [KiB]')
373    p.add_argument('-c', '--promotion-count', type=int,
374                   help='Promotion request count')
375    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
376                   help='Sequential cutoff policy')
377    p.set_defaults(func=bdev_ocf_set_seqcutoff)
378
379    def bdev_ocf_flush_start(args):
380        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
381    p = subparsers.add_parser('bdev_ocf_flush_start',
382                              help='Start flushing OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_start)
385
386    def bdev_ocf_flush_status(args):
387        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
388    p = subparsers.add_parser('bdev_ocf_flush_status',
389                              help='Get flush status of OCF cache device')
390    p.add_argument('name', help='Name of OCF bdev')
391    p.set_defaults(func=bdev_ocf_flush_status)
392
393    def bdev_malloc_create(args):
394        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
395        print_json(rpc.bdev.bdev_malloc_create(args.client,
396                                               num_blocks=int(num_blocks),
397                                               block_size=args.block_size,
398                                               physical_block_size=args.physical_block_size,
399                                               name=args.name,
400                                               uuid=args.uuid,
401                                               optimal_io_boundary=args.optimal_io_boundary,
402                                               md_size=args.md_size,
403                                               md_interleave=args.md_interleave,
404                                               dif_type=args.dif_type,
405                                               dif_is_head_of_md=args.dif_is_head_of_md))
406    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
407    p.add_argument('-b', '--name', help="Name of the bdev")
408    p.add_argument('-u', '--uuid', help="UUID of the bdev")
409    p.add_argument(
410        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
411    p.add_argument('block_size', help='Data block size for this bdev', type=int)
412    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
413    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
414    blocks, default 0 (disabled)""", type=int)
415    p.add_argument('-m', '--md-size', type=int,
416                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
417    p.add_argument('-i', '--md-interleave', action='store_true',
418                   help='Metadata location, interleaved if set, and separated if omitted.')
419    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
420                   help='Protection information type. Parameter --md-size needs'
421                        'to be set along --dif-type. Default=0 - no protection.')
422    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
423                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
424    p.set_defaults(func=bdev_malloc_create)
425
426    def bdev_malloc_delete(args):
427        rpc.bdev.bdev_malloc_delete(args.client,
428                                    name=args.name)
429
430    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
431    p.add_argument('name', help='malloc bdev name')
432    p.set_defaults(func=bdev_malloc_delete)
433
434    def bdev_null_create(args):
435        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
436        if args.dif_type and not args.md_size:
437            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
438            exit(1)
439        print_json(rpc.bdev.bdev_null_create(args.client,
440                                             num_blocks=num_blocks,
441                                             block_size=args.block_size,
442                                             physical_block_size=args.physical_block_size,
443                                             name=args.name,
444                                             uuid=args.uuid,
445                                             md_size=args.md_size,
446                                             dif_type=args.dif_type,
447                                             dif_is_head_of_md=args.dif_is_head_of_md))
448
449    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
450    p.add_argument('name', help='Block device name')
451    p.add_argument('-u', '--uuid', help='UUID of the bdev')
452    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
453    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
454    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
455    p.add_argument('-m', '--md-size', type=int,
456                   help='Metadata size for this bdev. Default=0.')
457    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
458                   help='Protection information type. Parameter --md-size needs'
459                        'to be set along --dif-type. Default=0 - no protection.')
460    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
461                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
462    p.set_defaults(func=bdev_null_create)
463
464    def bdev_null_delete(args):
465        rpc.bdev.bdev_null_delete(args.client,
466                                  name=args.name)
467
468    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
469    p.add_argument('name', help='null bdev name')
470    p.set_defaults(func=bdev_null_delete)
471
472    def bdev_null_resize(args):
473        print_json(rpc.bdev.bdev_null_resize(args.client,
474                                             name=args.name,
475                                             new_size=int(args.new_size)))
476
477    p = subparsers.add_parser('bdev_null_resize',
478                              help='Resize a null bdev')
479    p.add_argument('name', help='null bdev name')
480    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
481    p.set_defaults(func=bdev_null_resize)
482
483    def bdev_aio_create(args):
484        print_json(rpc.bdev.bdev_aio_create(args.client,
485                                            filename=args.filename,
486                                            name=args.name,
487                                            block_size=args.block_size,
488                                            readonly=args.readonly,
489                                            fallocate=args.fallocate))
490
491    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
492    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
493    p.add_argument('name', help='Block device name')
494    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
495    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
496    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
497    p.set_defaults(func=bdev_aio_create)
498
499    def bdev_aio_rescan(args):
500        print_json(rpc.bdev.bdev_aio_rescan(args.client,
501                                            name=args.name))
502
503    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
504    p.add_argument('name', help='Block device name')
505    p.set_defaults(func=bdev_aio_rescan)
506
507    def bdev_aio_delete(args):
508        rpc.bdev.bdev_aio_delete(args.client,
509                                 name=args.name)
510
511    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
512    p.add_argument('name', help='aio bdev name')
513    p.set_defaults(func=bdev_aio_delete)
514
515    def bdev_uring_create(args):
516        print_json(rpc.bdev.bdev_uring_create(args.client,
517                                              filename=args.filename,
518                                              name=args.name,
519                                              block_size=args.block_size,
520                                              uuid=args.uuid))
521
522    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
523    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
524    p.add_argument('name', help='bdev name')
525    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
526    p.add_argument('-u', '--uuid', help="UUID of the bdev")
527    p.set_defaults(func=bdev_uring_create)
528
529    def bdev_uring_rescan(args):
530        print_json(rpc.bdev.bdev_uring_rescan(args.client,
531                                              name=args.name))
532
533    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
534    p.add_argument('name', help='Block device name')
535    p.set_defaults(func=bdev_uring_rescan)
536
537    def bdev_uring_delete(args):
538        rpc.bdev.bdev_uring_delete(args.client,
539                                   name=args.name)
540
541    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
542    p.add_argument('name', help='uring bdev name')
543    p.set_defaults(func=bdev_uring_delete)
544
545    def bdev_xnvme_create(args):
546        print_json(rpc.bdev.bdev_xnvme_create(args.client,
547                                              filename=args.filename,
548                                              name=args.name,
549                                              io_mechanism=args.io_mechanism))
550
551    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
552    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
553    p.add_argument('name', help='name of xNVMe bdev to create')
554    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
555    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
556    p.set_defaults(func=bdev_xnvme_create)
557
558    def bdev_xnvme_delete(args):
559        rpc.bdev.bdev_xnvme_delete(args.client,
560                                   name=args.name)
561
562    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
563    p.add_argument('name', help='xNVMe bdev name')
564    p.set_defaults(func=bdev_xnvme_delete)
565
566    def bdev_nvme_set_options(args):
567        rpc.bdev.bdev_nvme_set_options(args.client,
568                                       action_on_timeout=args.action_on_timeout,
569                                       timeout_us=args.timeout_us,
570                                       timeout_admin_us=args.timeout_admin_us,
571                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
572                                       arbitration_burst=args.arbitration_burst,
573                                       low_priority_weight=args.low_priority_weight,
574                                       medium_priority_weight=args.medium_priority_weight,
575                                       high_priority_weight=args.high_priority_weight,
576                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
577                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
578                                       io_queue_requests=args.io_queue_requests,
579                                       delay_cmd_submit=args.delay_cmd_submit,
580                                       transport_retry_count=args.transport_retry_count,
581                                       bdev_retry_count=args.bdev_retry_count,
582                                       transport_ack_timeout=args.transport_ack_timeout,
583                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
584                                       reconnect_delay_sec=args.reconnect_delay_sec,
585                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
586                                       disable_auto_failback=args.disable_auto_failback,
587                                       generate_uuids=args.generate_uuids,
588                                       transport_tos=args.transport_tos,
589                                       nvme_error_stat=args.nvme_error_stat,
590                                       rdma_srq_size=args.rdma_srq_size,
591                                       io_path_stat=args.io_path_stat,
592                                       allow_accel_sequence=args.allow_accel_sequence,
593                                       rdma_max_cq_size=args.rdma_max_cq_size,
594                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
595                                       dhchap_digests=args.dhchap_digests,
596                                       dhchap_dhgroups=args.dhchap_dhgroups)
597
598    p = subparsers.add_parser('bdev_nvme_set_options',
599                              help='Set options for the bdev nvme type. This is startup command.')
600    p.add_argument('-a', '--action-on-timeout',
601                   help="Action to take on command time out. Valid values are: none, reset, abort")
602    p.add_argument('-t', '--timeout-us',
603                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
604    p.add_argument('--timeout-admin-us',
605                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
606    p.add_argument('-k', '--keep-alive-timeout-ms',
607                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
608    p.add_argument('--arbitration-burst',
609                   help='the value is expressed as a power of two', type=int)
610    p.add_argument('--low-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
612    p.add_argument('--medium-priority-weight',
613                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
614    p.add_argument('--high-priority-weight',
615                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
616    p.add_argument('-p', '--nvme-adminq-poll-period-us',
617                   help='How often the admin queue is polled for asynchronous events', type=int)
618    p.add_argument('-i', '--nvme-ioq-poll-period-us',
619                   help='How often to poll I/O queues for completions', type=int)
620    p.add_argument('-s', '--io-queue-requests',
621                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
622    p.add_argument('-d', '--disable-delay-cmd-submit',
623                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
624                   action='store_false', dest='delay_cmd_submit')
625    p.add_argument('-c', '--transport-retry-count',
626                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
627    p.add_argument('-r', '--bdev-retry-count',
628                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
629    p.add_argument('-e', '--transport-ack-timeout',
630                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
631                   Range 0-31 where 0 is driver-specific default value.""", type=int)
632    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
633                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
634                   -1 means infinite reconnect retries. 0 means no reconnect retry.
635                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
636                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
637                   reconnect_delay_sec.
638                   This can be overridden by bdev_nvme_attach_controller.""",
639                   type=int)
640    p.add_argument('-o', '--reconnect-delay-sec',
641                   help="""Time to delay a reconnect retry.
642                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
643                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
644                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
645                   less than ctrlr_loss_timeout_sec.
646                   This can be overridden by bdev_nvme_attach_controller.""",
647                   type=int)
648    p.add_argument('-u', '--fast-io-fail-timeout-sec',
649                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
650                   0 means no such timeout.
651                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
652                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
653                   This can be overridden by bdev_nvme_attach_controller.""",
654                   type=int)
655    p.add_argument('-f', '--disable-auto-failback',
656                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
657                   By default, immediately failback to the preferred I/O path if it restored.""",
658                   action='store_true')
659    p.add_argument('--generate-uuids',
660                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
661                   not provide UUID themselves. These strings are based on device serial number and
662                   namespace ID and will always be the same for that device.""", action='store_true')
663    p.add_argument('--transport-tos',
664                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
665                   The default is 0 which means no TOS is applied.""", type=int)
666    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
667    p.add_argument('-q', '--rdma-srq-size',
668                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
669    p.add_argument('--io-path-stat',
670                   help="""Enable collecting I/O path stat of each io path.""",
671                   action='store_true')
672    p.add_argument('--allow-accel-sequence',
673                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
674                   controller also supports them.''', action='store_true')
675    p.add_argument('--rdma-max-cq-size',
676                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
677    p.add_argument('--rdma-cm-event-timeout-ms',
678                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
679    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
680                   type=lambda d: d.split(','))
681    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
682                   type=lambda d: d.split(','))
683
684    p.set_defaults(func=bdev_nvme_set_options)
685
686    def bdev_nvme_set_hotplug(args):
687        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
688
689    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
690    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
691    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
692    p.add_argument('-r', '--period-us',
693                   help='How often the hotplug is processed for insert and remove events', type=int)
694    p.set_defaults(func=bdev_nvme_set_hotplug)
695
696    def bdev_nvme_attach_controller(args):
697        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
698                                                         name=args.name,
699                                                         trtype=args.trtype,
700                                                         traddr=args.traddr,
701                                                         adrfam=args.adrfam,
702                                                         trsvcid=args.trsvcid,
703                                                         priority=args.priority,
704                                                         subnqn=args.subnqn,
705                                                         hostnqn=args.hostnqn,
706                                                         hostaddr=args.hostaddr,
707                                                         hostsvcid=args.hostsvcid,
708                                                         prchk_reftag=args.prchk_reftag,
709                                                         prchk_guard=args.prchk_guard,
710                                                         hdgst=args.hdgst,
711                                                         ddgst=args.ddgst,
712                                                         fabrics_connect_timeout_us=args.fabrics_connect_timeout_us,
713                                                         multipath=args.multipath,
714                                                         num_io_queues=args.num_io_queues,
715                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
716                                                         reconnect_delay_sec=args.reconnect_delay_sec,
717                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
718                                                         psk=args.psk,
719                                                         max_bdevs=args.max_bdevs,
720                                                         dhchap_key=args.dhchap_key,
721                                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key))
722
723    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
724    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
725    p.add_argument('-t', '--trtype',
726                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
727    p.add_argument('-a', '--traddr',
728                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
729    p.add_argument('-f', '--adrfam',
730                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
731    p.add_argument('-s', '--trsvcid',
732                   help='NVMe-oF target trsvcid: e.g., a port number')
733    p.add_argument('-p', '--priority',
734                   help='NVMe-oF connection priority: e.g., a priority number')
735    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
736    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
737    p.add_argument('-i', '--hostaddr',
738                   help='NVMe-oF host address: e.g., an ip address')
739    p.add_argument('-c', '--hostsvcid',
740                   help='NVMe-oF host svcid: e.g., a port number')
741    p.add_argument('-r', '--prchk-reftag',
742                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
743    p.add_argument('-g', '--prchk-guard',
744                   help='Enable checking of PI guard for I/O processing.', action='store_true')
745    p.add_argument('-e', '--hdgst',
746                   help='Enable TCP header digest.', action='store_true')
747    p.add_argument('-d', '--ddgst',
748                   help='Enable TCP data digest.', action='store_true')
749    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds',
750                   dest="fabrics_connect_timeout_us")
751    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
752    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
753    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
754                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
755                   -1 means infinite reconnect retries. 0 means no reconnect retry.
756                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
757                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
758                   reconnect_delay_sec.""",
759                   type=int)
760    p.add_argument('-o', '--reconnect-delay-sec',
761                   help="""Time to delay a reconnect retry.
762                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
763                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
764                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
765                   less than ctrlr_loss_timeout_sec.""",
766                   type=int)
767    p.add_argument('-u', '--fast-io-fail-timeout-sec',
768                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
769                   0 means no such timeout.
770                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
771                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
772                   type=int)
773    p.add_argument('-k', '--psk',
774                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
775                   name of a key attached to the keyring or a path to a file containig the key.  The
776                   latter method is deprecated.""")
777    p.add_argument('-m', '--max-bdevs', type=int,
778                   help='The size of the name array for newly created bdevs. Default is 128',)
779    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
780    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
781
782    p.set_defaults(func=bdev_nvme_attach_controller)
783
784    def bdev_nvme_get_controllers(args):
785        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
786                                                      name=args.name))
787
788    p = subparsers.add_parser(
789        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
790    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
791    p.set_defaults(func=bdev_nvme_get_controllers)
792
793    def bdev_nvme_detach_controller(args):
794        rpc.bdev.bdev_nvme_detach_controller(args.client,
795                                             name=args.name,
796                                             trtype=args.trtype,
797                                             traddr=args.traddr,
798                                             adrfam=args.adrfam,
799                                             trsvcid=args.trsvcid,
800                                             subnqn=args.subnqn,
801                                             hostaddr=args.hostaddr,
802                                             hostsvcid=args.hostsvcid)
803
804    p = subparsers.add_parser('bdev_nvme_detach_controller',
805                              help='Detach an NVMe controller and delete any associated bdevs')
806    p.add_argument('name', help="Name of the controller")
807    p.add_argument('-t', '--trtype',
808                   help='NVMe-oF target trtype: e.g., rdma, pcie')
809    p.add_argument('-a', '--traddr',
810                   help='NVMe-oF target address: e.g., an ip address or BDF')
811    p.add_argument('-f', '--adrfam',
812                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
813    p.add_argument('-s', '--trsvcid',
814                   help='NVMe-oF target trsvcid: e.g., a port number')
815    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
816    p.add_argument('-i', '--hostaddr',
817                   help='NVMe-oF host address: e.g., an ip address')
818    p.add_argument('-c', '--hostsvcid',
819                   help='NVMe-oF host svcid: e.g., a port number')
820    p.set_defaults(func=bdev_nvme_detach_controller)
821
822    def bdev_nvme_reset_controller(args):
823        rpc.bdev.bdev_nvme_reset_controller(args.client,
824                                            name=args.name,
825                                            cntlid=args.cntlid)
826
827    p = subparsers.add_parser('bdev_nvme_reset_controller',
828                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
829    p.add_argument('name', help="Name of the NVMe controller")
830    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
831    p.set_defaults(func=bdev_nvme_reset_controller)
832
833    def bdev_nvme_enable_controller(args):
834        rpc.bdev.bdev_nvme_enable_controller(args.client,
835                                             name=args.name,
836                                             cntlid=args.cntlid)
837
838    p = subparsers.add_parser('bdev_nvme_enable_controller',
839                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
840    p.add_argument('name', help="Name of the NVMe controller")
841    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
842    p.set_defaults(func=bdev_nvme_enable_controller)
843
844    def bdev_nvme_disable_controller(args):
845        rpc.bdev.bdev_nvme_disable_controller(args.client,
846                                              name=args.name,
847                                              cntlid=args.cntlid)
848
849    p = subparsers.add_parser('bdev_nvme_disable_controller',
850                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
851    p.add_argument('name', help="Name of the NVMe controller")
852    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
853    p.set_defaults(func=bdev_nvme_disable_controller)
854
855    def bdev_nvme_start_discovery(args):
856        rpc.bdev.bdev_nvme_start_discovery(args.client,
857                                           name=args.name,
858                                           trtype=args.trtype,
859                                           traddr=args.traddr,
860                                           adrfam=args.adrfam,
861                                           trsvcid=args.trsvcid,
862                                           hostnqn=args.hostnqn,
863                                           wait_for_attach=args.wait_for_attach,
864                                           attach_timeout_ms=args.attach_timeout_ms,
865                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
866                                           reconnect_delay_sec=args.reconnect_delay_sec,
867                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
868
869    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
870    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
871    p.add_argument('-t', '--trtype',
872                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
873    p.add_argument('-a', '--traddr',
874                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
875    p.add_argument('-f', '--adrfam',
876                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
877    p.add_argument('-s', '--trsvcid',
878                   help='NVMe-oF target trsvcid: e.g., a port number')
879    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
880    p.add_argument('-w', '--wait-for-attach', action='store_true',
881                   help='Do not complete RPC until all discovered NVM subsystems are attached')
882    p.add_argument('-T', '--attach-timeout-ms', type=int,
883                   help="""Time to wait until the discovery and all discovered NVM subsystems
884                        are attached (default: 0, meaning wait indefinitely).  Automatically
885                        selects the --wait-for-attach option.""")
886    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
887                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
888                   -1 means infinite reconnect retries. 0 means no reconnect retry.
889                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
890                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
891                   reconnect_delay_sec.""",
892                   type=int)
893    p.add_argument('-o', '--reconnect-delay-sec',
894                   help="""Time to delay a reconnect retry.
895                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
896                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
897                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
898                   less than ctrlr_loss_timeout_sec.""",
899                   type=int)
900    p.add_argument('-u', '--fast-io-fail-timeout-sec',
901                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
902                   0 means no such timeout.
903                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
904                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
905                   type=int)
906    p.set_defaults(func=bdev_nvme_start_discovery)
907
908    def bdev_nvme_stop_discovery(args):
909        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
910
911    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
912    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
913    p.set_defaults(func=bdev_nvme_stop_discovery)
914
915    def bdev_nvme_get_discovery_info(args):
916        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
917
918    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
919    p.set_defaults(func=bdev_nvme_get_discovery_info)
920
921    def bdev_nvme_get_io_paths(args):
922        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
923
924    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
925    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
926    p.set_defaults(func=bdev_nvme_get_io_paths)
927
928    def bdev_nvme_set_preferred_path(args):
929        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
930                                              name=args.name,
931                                              cntlid=args.cntlid)
932
933    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
934                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
935    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
936    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
937    p.set_defaults(func=bdev_nvme_set_preferred_path)
938
939    def bdev_nvme_set_multipath_policy(args):
940        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
941                                                name=args.name,
942                                                policy=args.policy,
943                                                selector=args.selector,
944                                                rr_min_io=args.rr_min_io)
945
946    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
947                              help="""Set multipath policy of the NVMe bdev""")
948    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
949    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
950    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
951    p.add_argument('-r', '--rr-min-io',
952                   help='Number of IO to route to a path before switching to another for round-robin',
953                   type=int)
954    p.set_defaults(func=bdev_nvme_set_multipath_policy)
955
956    def bdev_nvme_get_path_iostat(args):
957        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
958                                                      name=args.name))
959
960    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
961                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
962                              called when io_path_stat is true.""")
963    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
964    p.set_defaults(func=bdev_nvme_get_path_iostat)
965
966    def bdev_nvme_cuse_register(args):
967        rpc.bdev.bdev_nvme_cuse_register(args.client,
968                                         name=args.name)
969
970    p = subparsers.add_parser('bdev_nvme_cuse_register',
971                              help='Register CUSE devices on NVMe controller')
972    p.add_argument('-n', '--name',
973                   help='Name of the NVMe controller. Example: Nvme0', required=True)
974    p.set_defaults(func=bdev_nvme_cuse_register)
975
976    def bdev_nvme_cuse_unregister(args):
977        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
978                                           name=args.name)
979
980    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
981                              help='Unregister CUSE devices on NVMe controller')
982    p.add_argument('-n', '--name',
983                   help='Name of the NVMe controller. Example: Nvme0', required=True)
984    p.set_defaults(func=bdev_nvme_cuse_unregister)
985
986    def bdev_zone_block_create(args):
987        print_json(rpc.bdev.bdev_zone_block_create(args.client,
988                                                   name=args.name,
989                                                   base_bdev=args.base_bdev,
990                                                   zone_capacity=args.zone_capacity,
991                                                   optimal_open_zones=args.optimal_open_zones))
992
993    p = subparsers.add_parser('bdev_zone_block_create',
994                              help='Create virtual zone namespace device with block device backend')
995    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
996    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
997    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
998    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
999    p.set_defaults(func=bdev_zone_block_create)
1000
1001    def bdev_zone_block_delete(args):
1002        rpc.bdev.bdev_zone_block_delete(args.client,
1003                                        name=args.name)
1004
1005    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
1006    p.add_argument('name', help='Virtual zone bdev name')
1007    p.set_defaults(func=bdev_zone_block_delete)
1008
1009    def bdev_rbd_register_cluster(args):
1010        config_param = None
1011        if args.config_param:
1012            config_param = {}
1013            for entry in args.config_param:
1014                parts = entry.split('=', 1)
1015                if len(parts) != 2:
1016                    raise Exception('--config %s not in key=value form' % entry)
1017                config_param[parts[0]] = parts[1]
1018        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1019                                                      name=args.name,
1020                                                      user_id=args.user,
1021                                                      config_param=config_param,
1022                                                      config_file=args.config_file,
1023                                                      key_file=args.key_file,
1024                                                      core_mask=args.core_mask))
1025
1026    p = subparsers.add_parser('bdev_rbd_register_cluster',
1027                              help='Add a Rados cluster with ceph rbd backend')
1028    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1029    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1030    p.add_argument('--config-param', action='append', metavar='key=value',
1031                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1032    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1033    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1034    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1035    p.set_defaults(func=bdev_rbd_register_cluster)
1036
1037    def bdev_rbd_unregister_cluster(args):
1038        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1039
1040    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1041                              help='Unregister a Rados cluster object')
1042    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1043    p.set_defaults(func=bdev_rbd_unregister_cluster)
1044
1045    def bdev_rbd_get_clusters_info(args):
1046        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1047
1048    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1049                              help='Display registered Rados Cluster names and related info')
1050    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1051    p.set_defaults(func=bdev_rbd_get_clusters_info)
1052
1053    def bdev_rbd_create(args):
1054        config = None
1055        if args.config:
1056            config = {}
1057            for entry in args.config:
1058                parts = entry.split('=', 1)
1059                if len(parts) != 2:
1060                    raise Exception('--config %s not in key=value form' % entry)
1061                config[parts[0]] = parts[1]
1062        print_json(rpc.bdev.bdev_rbd_create(args.client,
1063                                            name=args.name,
1064                                            user_id=args.user,
1065                                            config=config,
1066                                            pool_name=args.pool_name,
1067                                            rbd_name=args.rbd_name,
1068                                            block_size=args.block_size,
1069                                            cluster_name=args.cluster_name,
1070                                            uuid=args.uuid))
1071
1072    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1073    p.add_argument('-b', '--name', help="Name of the bdev")
1074    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1075    p.add_argument('--config', action='append', metavar='key=value',
1076                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1077    p.add_argument('pool_name', help='rbd pool name')
1078    p.add_argument('rbd_name', help='rbd image name')
1079    p.add_argument('block_size', help='rbd block size', type=int)
1080    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1081    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1082    p.set_defaults(func=bdev_rbd_create)
1083
1084    def bdev_rbd_delete(args):
1085        rpc.bdev.bdev_rbd_delete(args.client,
1086                                 name=args.name)
1087
1088    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1089    p.add_argument('name', help='rbd bdev name')
1090    p.set_defaults(func=bdev_rbd_delete)
1091
1092    def bdev_rbd_resize(args):
1093        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1094                                            name=args.name,
1095                                            new_size=int(args.new_size)))
1096
1097    p = subparsers.add_parser('bdev_rbd_resize',
1098                              help='Resize a rbd bdev')
1099    p.add_argument('name', help='rbd bdev name')
1100    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1101    p.set_defaults(func=bdev_rbd_resize)
1102
1103    def bdev_delay_create(args):
1104        print_json(rpc.bdev.bdev_delay_create(args.client,
1105                                              base_bdev_name=args.base_bdev_name,
1106                                              name=args.name,
1107                                              uuid=args.uuid,
1108                                              avg_read_latency=args.avg_read_latency,
1109                                              p99_read_latency=args.nine_nine_read_latency,
1110                                              avg_write_latency=args.avg_write_latency,
1111                                              p99_write_latency=args.nine_nine_write_latency))
1112
1113    p = subparsers.add_parser('bdev_delay_create',
1114                              help='Add a delay bdev on existing bdev')
1115    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1116    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1117    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1118    p.add_argument('-r', '--avg-read-latency',
1119                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1120    p.add_argument('-t', '--nine-nine-read-latency',
1121                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1122    p.add_argument('-w', '--avg-write-latency',
1123                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1124    p.add_argument('-n', '--nine-nine-write-latency',
1125                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1126    p.set_defaults(func=bdev_delay_create)
1127
1128    def bdev_delay_delete(args):
1129        rpc.bdev.bdev_delay_delete(args.client,
1130                                   name=args.name)
1131
1132    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1133    p.add_argument('name', help='delay bdev name')
1134    p.set_defaults(func=bdev_delay_delete)
1135
1136    def bdev_delay_update_latency(args):
1137        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1138                                                      delay_bdev_name=args.delay_bdev_name,
1139                                                      latency_type=args.latency_type,
1140                                                      latency_us=args.latency_us))
1141    p = subparsers.add_parser('bdev_delay_update_latency',
1142                              help='Update one of the latency values for a given delay bdev')
1143    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1144    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1145    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1146    p.set_defaults(func=bdev_delay_update_latency)
1147
1148    def bdev_error_create(args):
1149        print_json(rpc.bdev.bdev_error_create(args.client,
1150                                              base_name=args.base_name,
1151                                              uuid=args.uuid))
1152
1153    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1154    p.add_argument('base_name', help='base bdev name')
1155    p.add_argument('--uuid', help='UUID for this bdev')
1156    p.set_defaults(func=bdev_error_create)
1157
1158    def bdev_error_delete(args):
1159        rpc.bdev.bdev_error_delete(args.client,
1160                                   name=args.name)
1161
1162    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1163    p.add_argument('name', help='error bdev name')
1164    p.set_defaults(func=bdev_error_delete)
1165
1166    def bdev_iscsi_set_options(args):
1167        rpc.bdev.bdev_iscsi_set_options(args.client,
1168                                        timeout_sec=args.timeout_sec)
1169
1170    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1171    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1172    p.set_defaults(func=bdev_iscsi_set_options)
1173
1174    def bdev_iscsi_create(args):
1175        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1176                                              name=args.name,
1177                                              url=args.url,
1178                                              initiator_iqn=args.initiator_iqn))
1179
1180    p = subparsers.add_parser('bdev_iscsi_create',
1181                              help='Add bdev with iSCSI initiator backend')
1182    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1183    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1184    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1185    p.set_defaults(func=bdev_iscsi_create)
1186
1187    def bdev_iscsi_delete(args):
1188        rpc.bdev.bdev_iscsi_delete(args.client,
1189                                   name=args.name)
1190
1191    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1192    p.add_argument('name', help='iSCSI bdev name')
1193    p.set_defaults(func=bdev_iscsi_delete)
1194
1195    def bdev_passthru_create(args):
1196        print_json(rpc.bdev.bdev_passthru_create(args.client,
1197                                                 base_bdev_name=args.base_bdev_name,
1198                                                 name=args.name,
1199                                                 uuid=args.uuid))
1200
1201    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1202    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1203    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1204    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1205    p.set_defaults(func=bdev_passthru_create)
1206
1207    def bdev_passthru_delete(args):
1208        rpc.bdev.bdev_passthru_delete(args.client,
1209                                      name=args.name)
1210
1211    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1212    p.add_argument('name', help='pass through bdev name')
1213    p.set_defaults(func=bdev_passthru_delete)
1214
1215    def bdev_get_bdevs(args):
1216        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1217                                           name=args.name, timeout=args.timeout_ms))
1218
1219    p = subparsers.add_parser('bdev_get_bdevs',
1220                              help='Display current blockdev list or required blockdev')
1221    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1222    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1223    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1224    whether the bdev exists or not.""",
1225                   type=int)
1226    p.set_defaults(func=bdev_get_bdevs)
1227
1228    def bdev_get_iostat(args):
1229        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1230                                            name=args.name,
1231                                            per_channel=args.per_channel))
1232
1233    p = subparsers.add_parser('bdev_get_iostat',
1234                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1235    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1236    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1237                   action='store_true')
1238    p.set_defaults(func=bdev_get_iostat)
1239
1240    def bdev_reset_iostat(args):
1241        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1242
1243    p = subparsers.add_parser('bdev_reset_iostat',
1244                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1245    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1246    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1247    p.set_defaults(func=bdev_reset_iostat)
1248
1249    def bdev_enable_histogram(args):
1250        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1251
1252    p = subparsers.add_parser('bdev_enable_histogram',
1253                              help='Enable or disable histogram for specified bdev')
1254    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1255    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1256    p.add_argument('name', help='bdev name')
1257    p.set_defaults(func=bdev_enable_histogram)
1258
1259    def bdev_get_histogram(args):
1260        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1261
1262    p = subparsers.add_parser('bdev_get_histogram',
1263                              help='Get histogram for specified bdev')
1264    p.add_argument('name', help='bdev name')
1265    p.set_defaults(func=bdev_get_histogram)
1266
1267    def bdev_set_qd_sampling_period(args):
1268        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1269                                             name=args.name,
1270                                             period=args.period)
1271
1272    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1273                              help="Enable or disable tracking of a bdev's queue depth.")
1274    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1275    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1276                   ' If set to 0, polling will be disabled.',
1277                   type=int)
1278    p.set_defaults(func=bdev_set_qd_sampling_period)
1279
1280    def bdev_set_qos_limit(args):
1281        rpc.bdev.bdev_set_qos_limit(args.client,
1282                                    name=args.name,
1283                                    rw_ios_per_sec=args.rw_ios_per_sec,
1284                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1285                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1286                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1287
1288    p = subparsers.add_parser('bdev_set_qos_limit',
1289                              help='Set QoS rate limit on a blockdev')
1290    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1291    p.add_argument('--rw-ios-per-sec',
1292                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1293                   type=int)
1294    p.add_argument('--rw-mbytes-per-sec',
1295                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1296                   type=int)
1297    p.add_argument('--r-mbytes-per-sec',
1298                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1299                   type=int)
1300    p.add_argument('--w-mbytes-per-sec',
1301                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1302                   type=int)
1303    p.set_defaults(func=bdev_set_qos_limit)
1304
1305    def bdev_error_inject_error(args):
1306        rpc.bdev.bdev_error_inject_error(args.client,
1307                                         name=args.name,
1308                                         io_type=args.io_type,
1309                                         error_type=args.error_type,
1310                                         num=args.num,
1311                                         queue_depth=args.queue_depth,
1312                                         corrupt_offset=args.corrupt_offset,
1313                                         corrupt_value=args.corrupt_value)
1314
1315    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1316    p.add_argument('name', help="""the name of the error injection bdev""")
1317    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1318    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1319    p.add_argument(
1320        '-n', '--num', help='the number of commands you want to fail', type=int)
1321    p.add_argument(
1322        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1323    p.add_argument(
1324        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1325    p.add_argument(
1326        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1327    p.set_defaults(func=bdev_error_inject_error)
1328
1329    def bdev_nvme_apply_firmware(args):
1330        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1331                                                     bdev_name=args.bdev_name,
1332                                                     filename=args.filename))
1333
1334    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1335    p.add_argument('filename', help='filename of the firmware to download')
1336    p.add_argument('bdev_name', help='name of the NVMe device')
1337    p.set_defaults(func=bdev_nvme_apply_firmware)
1338
1339    def bdev_nvme_get_transport_statistics(args):
1340        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1341
1342    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1343                              help='Get bdev_nvme poll group transport statistics')
1344    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1345
1346    def bdev_nvme_get_controller_health_info(args):
1347        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1348                                                                 name=args.name))
1349
1350    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1351                              help='Display health log of the required NVMe bdev controller.')
1352    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1353    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1354
1355    # iSCSI
1356    def iscsi_set_options(args):
1357        rpc.iscsi.iscsi_set_options(
1358            args.client,
1359            auth_file=args.auth_file,
1360            node_base=args.node_base,
1361            nop_timeout=args.nop_timeout,
1362            nop_in_interval=args.nop_in_interval,
1363            disable_chap=args.disable_chap,
1364            require_chap=args.require_chap,
1365            mutual_chap=args.mutual_chap,
1366            chap_group=args.chap_group,
1367            max_sessions=args.max_sessions,
1368            max_queue_depth=args.max_queue_depth,
1369            max_connections_per_session=args.max_connections_per_session,
1370            default_time2wait=args.default_time2wait,
1371            default_time2retain=args.default_time2retain,
1372            first_burst_length=args.first_burst_length,
1373            immediate_data=args.immediate_data,
1374            error_recovery_level=args.error_recovery_level,
1375            allow_duplicated_isid=args.allow_duplicated_isid,
1376            max_large_datain_per_connection=args.max_large_datain_per_connection,
1377            max_r2t_per_connection=args.max_r2t_per_connection,
1378            pdu_pool_size=args.pdu_pool_size,
1379            immediate_data_pool_size=args.immediate_data_pool_size,
1380            data_out_pool_size=args.data_out_pool_size)
1381
1382    p = subparsers.add_parser('iscsi_set_options',
1383                              help="""Set options of iSCSI subsystem""")
1384    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1385    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1386    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1387    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1388    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1389    *** Mutually exclusive with --require-chap""", action='store_true')
1390    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1391    *** Mutually exclusive with --disable-chap""", action='store_true')
1392    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1393    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1394    *** Authentication group must be precreated ***""", type=int)
1395    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1396    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1397    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1398    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1399    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1400    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1401    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1402    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1403    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1404    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1405    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1406    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1407    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1408    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1409    p.set_defaults(func=iscsi_set_options)
1410
1411    def iscsi_set_discovery_auth(args):
1412        rpc.iscsi.iscsi_set_discovery_auth(
1413            args.client,
1414            disable_chap=args.disable_chap,
1415            require_chap=args.require_chap,
1416            mutual_chap=args.mutual_chap,
1417            chap_group=args.chap_group)
1418
1419    p = subparsers.add_parser('iscsi_set_discovery_auth',
1420                              help="""Set CHAP authentication for discovery session.""")
1421    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1422    *** Mutually exclusive with --require-chap""", action='store_true')
1423    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1424    *** Mutually exclusive with --disable-chap""", action='store_true')
1425    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1426    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1427    *** Authentication group must be precreated ***""", type=int)
1428    p.set_defaults(func=iscsi_set_discovery_auth)
1429
1430    def iscsi_create_auth_group(args):
1431        secrets = None
1432        if args.secrets:
1433            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1434
1435        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1436
1437    p = subparsers.add_parser('iscsi_create_auth_group',
1438                              help='Create authentication group for CHAP authentication.')
1439    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1440    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1441<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1442Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1443    p.set_defaults(func=iscsi_create_auth_group)
1444
1445    def iscsi_delete_auth_group(args):
1446        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1447
1448    p = subparsers.add_parser('iscsi_delete_auth_group',
1449                              help='Delete an authentication group.')
1450    p.add_argument('tag', help='Authentication group tag', type=int)
1451    p.set_defaults(func=iscsi_delete_auth_group)
1452
1453    def iscsi_auth_group_add_secret(args):
1454        rpc.iscsi.iscsi_auth_group_add_secret(
1455            args.client,
1456            tag=args.tag,
1457            user=args.user,
1458            secret=args.secret,
1459            muser=args.muser,
1460            msecret=args.msecret)
1461
1462    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1463                              help='Add a secret to an authentication group.')
1464    p.add_argument('tag', help='Authentication group tag', type=int)
1465    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1466    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1467    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1468    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1469    p.set_defaults(func=iscsi_auth_group_add_secret)
1470
1471    def iscsi_auth_group_remove_secret(args):
1472        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1473
1474    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1475                              help='Remove a secret from an authentication group.')
1476    p.add_argument('tag', help='Authentication group tag', type=int)
1477    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1478    p.set_defaults(func=iscsi_auth_group_remove_secret)
1479
1480    def iscsi_get_auth_groups(args):
1481        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1482
1483    p = subparsers.add_parser('iscsi_get_auth_groups',
1484                              help='Display current authentication group configuration')
1485    p.set_defaults(func=iscsi_get_auth_groups)
1486
1487    def iscsi_get_portal_groups(args):
1488        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1489
1490    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1491    p.set_defaults(func=iscsi_get_portal_groups)
1492
1493    def iscsi_get_initiator_groups(args):
1494        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1495
1496    p = subparsers.add_parser('iscsi_get_initiator_groups',
1497                              help='Display current initiator group configuration')
1498    p.set_defaults(func=iscsi_get_initiator_groups)
1499
1500    def iscsi_get_target_nodes(args):
1501        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1502
1503    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1504    p.set_defaults(func=iscsi_get_target_nodes)
1505
1506    def iscsi_enable_histogram(args):
1507        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1508
1509    p = subparsers.add_parser('iscsi_enable_histogram',
1510                              help='Enable or disable histogram for specified iscsi target')
1511    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1512    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1513    p.add_argument('name', help='iscsi target name')
1514    p.set_defaults(func=iscsi_enable_histogram)
1515
1516    def iscsi_get_histogram(args):
1517        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1518
1519    p = subparsers.add_parser('iscsi_get_histogram',
1520                              help='Get histogram for specified iscsi target')
1521    p.add_argument('name', help='target name')
1522    p.set_defaults(func=iscsi_get_histogram)
1523
1524    def iscsi_create_target_node(args):
1525        luns = []
1526        for u in args.bdev_name_id_pairs.strip().split(" "):
1527            bdev_name, lun_id = u.split(":")
1528            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1529
1530        pg_ig_maps = []
1531        for u in args.pg_ig_mappings.strip().split(" "):
1532            pg, ig = u.split(":")
1533            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1534
1535        rpc.iscsi.iscsi_create_target_node(
1536            args.client,
1537            luns=luns,
1538            pg_ig_maps=pg_ig_maps,
1539            name=args.name,
1540            alias_name=args.alias_name,
1541            queue_depth=args.queue_depth,
1542            chap_group=args.chap_group,
1543            disable_chap=args.disable_chap,
1544            require_chap=args.require_chap,
1545            mutual_chap=args.mutual_chap,
1546            header_digest=args.header_digest,
1547            data_digest=args.data_digest)
1548
1549    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1550    p.add_argument('name', help='Target node name (ASCII)')
1551    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1552    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1553    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1554    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1555    *** The bdevs must pre-exist ***
1556    *** LUN0 (id = 0) is required ***
1557    *** bdevs names cannot contain space or colon characters ***""")
1558    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1559    Whitespace separated, quoted, mapping defined with colon
1560    separated list of "tags" (int > 0)
1561    Example: '1:1 2:2 2:1'
1562    *** The Portal/Initiator Groups must be precreated ***""")
1563    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1564    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1565    *** Authentication group must be precreated ***""", type=int)
1566    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1567    *** Mutually exclusive with --require-chap ***""", action='store_true')
1568    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1569    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1570    p.add_argument(
1571        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1572    p.add_argument('-H', '--header-digest',
1573                   help='Header Digest should be required for this target node.', action='store_true')
1574    p.add_argument('-D', '--data-digest',
1575                   help='Data Digest should be required for this target node.', action='store_true')
1576    p.set_defaults(func=iscsi_create_target_node)
1577
1578    def iscsi_target_node_add_lun(args):
1579        rpc.iscsi.iscsi_target_node_add_lun(
1580            args.client,
1581            name=args.name,
1582            bdev_name=args.bdev_name,
1583            lun_id=args.lun_id)
1584
1585    p = subparsers.add_parser('iscsi_target_node_add_lun',
1586                              help='Add LUN to the target node')
1587    p.add_argument('name', help='Target node name (ASCII)')
1588    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1589    *** bdev name cannot contain space or colon characters ***""")
1590    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1591    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1592    p.set_defaults(func=iscsi_target_node_add_lun)
1593
1594    def iscsi_target_node_set_auth(args):
1595        rpc.iscsi.iscsi_target_node_set_auth(
1596            args.client,
1597            name=args.name,
1598            chap_group=args.chap_group,
1599            disable_chap=args.disable_chap,
1600            require_chap=args.require_chap,
1601            mutual_chap=args.mutual_chap)
1602
1603    p = subparsers.add_parser('iscsi_target_node_set_auth',
1604                              help='Set CHAP authentication for the target node')
1605    p.add_argument('name', help='Target node name (ASCII)')
1606    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1607    *** Authentication group must be precreated ***""", type=int)
1608    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1609    *** Mutually exclusive with --require-chap ***""", action='store_true')
1610    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1611    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1612    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1613                   action='store_true')
1614    p.set_defaults(func=iscsi_target_node_set_auth)
1615
1616    def iscsi_target_node_add_pg_ig_maps(args):
1617        pg_ig_maps = []
1618        for u in args.pg_ig_mappings.strip().split(" "):
1619            pg, ig = u.split(":")
1620            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1621        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1622            args.client,
1623            pg_ig_maps=pg_ig_maps,
1624            name=args.name)
1625
1626    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1627                              help='Add PG-IG maps to the target node')
1628    p.add_argument('name', help='Target node name (ASCII)')
1629    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1630    Whitespace separated, quoted, mapping defined with colon
1631    separated list of "tags" (int > 0)
1632    Example: '1:1 2:2 2:1'
1633    *** The Portal/Initiator Groups must be precreated ***""")
1634    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1635
1636    def iscsi_target_node_remove_pg_ig_maps(args):
1637        pg_ig_maps = []
1638        for u in args.pg_ig_mappings.strip().split(" "):
1639            pg, ig = u.split(":")
1640            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1641        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1642            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1643
1644    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1645                              help='Delete PG-IG maps from the target node')
1646    p.add_argument('name', help='Target node name (ASCII)')
1647    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1648    Whitespace separated, quoted, mapping defined with colon
1649    separated list of "tags" (int > 0)
1650    Example: '1:1 2:2 2:1'
1651    *** The Portal/Initiator Groups must be precreated ***""")
1652    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1653
1654    def iscsi_target_node_set_redirect(args):
1655        rpc.iscsi.iscsi_target_node_set_redirect(
1656            args.client,
1657            name=args.name,
1658            pg_tag=args.pg_tag,
1659            redirect_host=args.redirect_host,
1660            redirect_port=args.redirect_port)
1661
1662    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1663                              help="""Update redirect portal of the public portal group for the target node.
1664    Omit redirect host and port to clear previously set redirect settings.""")
1665    p.add_argument('name', help='Target node name (ASCII)')
1666    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1667    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1668    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1669    p.set_defaults(func=iscsi_target_node_set_redirect)
1670
1671    def iscsi_target_node_request_logout(args):
1672        rpc.iscsi.iscsi_target_node_request_logout(
1673            args.client,
1674            name=args.name,
1675            pg_tag=args.pg_tag)
1676
1677    p = subparsers.add_parser('iscsi_target_node_request_logout',
1678                              help="""For the target node, request connections whose portal group tag
1679    match to logout, or request all connections if portal group tag is omitted.""")
1680    p.add_argument('name', help='Target node name (ASCII)')
1681    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1682    p.set_defaults(func=iscsi_target_node_request_logout)
1683
1684    def iscsi_create_portal_group(args):
1685        portals = []
1686        for p in args.portal_list.strip().split(' '):
1687            ip, separator, port_cpumask = p.rpartition(':')
1688            split_port_cpumask = port_cpumask.split('@')
1689            if len(split_port_cpumask) == 1:
1690                port = port_cpumask
1691                portals.append({'host': ip, 'port': port})
1692            else:
1693                port = split_port_cpumask[0]
1694                cpumask = split_port_cpumask[1]
1695                portals.append({'host': ip, 'port': port})
1696                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1697        rpc.iscsi.iscsi_create_portal_group(
1698            args.client,
1699            portals=portals,
1700            tag=args.tag,
1701            private=args.private,
1702            wait=args.wait)
1703
1704    p = subparsers.add_parser('iscsi_create_portal_group',
1705                              help='Add a portal group')
1706    p.add_argument(
1707        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1708    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1709    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1710    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1711    Private portal groups do not have their portals returned by a discovery session. A public
1712    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1713    portal must be from a private portal group.""", action='store_true')
1714    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1715    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1716    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1717    p.set_defaults(func=iscsi_create_portal_group)
1718
1719    def iscsi_start_portal_group(args):
1720        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1721
1722    p = subparsers.add_parser('iscsi_start_portal_group',
1723                              help='Start listening on portals if it is not started yet.')
1724    p.add_argument(
1725        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1726    p.set_defaults(func=iscsi_start_portal_group)
1727
1728    def iscsi_create_initiator_group(args):
1729        initiators = []
1730        netmasks = []
1731        for i in args.initiator_list.strip().split(' '):
1732            initiators.append(i)
1733        for n in args.netmask_list.strip().split(' '):
1734            netmasks.append(n)
1735        rpc.iscsi.iscsi_create_initiator_group(
1736            args.client,
1737            tag=args.tag,
1738            initiators=initiators,
1739            netmasks=netmasks)
1740
1741    p = subparsers.add_parser('iscsi_create_initiator_group',
1742                              help='Add an initiator group')
1743    p.add_argument(
1744        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1745    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1746    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1747    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1748    Example: '255.255.0.0 255.248.0.0' etc""")
1749    p.set_defaults(func=iscsi_create_initiator_group)
1750
1751    def iscsi_initiator_group_add_initiators(args):
1752        initiators = None
1753        netmasks = None
1754        if args.initiator_list:
1755            initiators = []
1756            for i in args.initiator_list.strip().split(' '):
1757                initiators.append(i)
1758        if args.netmask_list:
1759            netmasks = []
1760            for n in args.netmask_list.strip().split(' '):
1761                netmasks.append(n)
1762        rpc.iscsi.iscsi_initiator_group_add_initiators(
1763            args.client,
1764            tag=args.tag,
1765            initiators=initiators,
1766            netmasks=netmasks)
1767
1768    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1769                              help='Add initiators to an existing initiator group')
1770    p.add_argument(
1771        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1772    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1773    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1774    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1775    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1776    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1777    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1778
1779    def iscsi_initiator_group_remove_initiators(args):
1780        initiators = None
1781        netmasks = None
1782        if args.initiator_list:
1783            initiators = []
1784            for i in args.initiator_list.strip().split(' '):
1785                initiators.append(i)
1786        if args.netmask_list:
1787            netmasks = []
1788            for n in args.netmask_list.strip().split(' '):
1789                netmasks.append(n)
1790        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1791            args.client,
1792            tag=args.tag,
1793            initiators=initiators,
1794            netmasks=netmasks)
1795
1796    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1797                              help='Delete initiators from an existing initiator group')
1798    p.add_argument(
1799        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1800    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1801    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1802    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1803    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1804    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1805    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1806
1807    def iscsi_delete_target_node(args):
1808        rpc.iscsi.iscsi_delete_target_node(
1809            args.client, target_node_name=args.target_node_name)
1810
1811    p = subparsers.add_parser('iscsi_delete_target_node',
1812                              help='Delete a target node')
1813    p.add_argument('target_node_name',
1814                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1815    p.set_defaults(func=iscsi_delete_target_node)
1816
1817    def iscsi_delete_portal_group(args):
1818        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1819
1820    p = subparsers.add_parser('iscsi_delete_portal_group',
1821                              help='Delete a portal group')
1822    p.add_argument(
1823        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1824    p.set_defaults(func=iscsi_delete_portal_group)
1825
1826    def iscsi_delete_initiator_group(args):
1827        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1828
1829    p = subparsers.add_parser('iscsi_delete_initiator_group',
1830                              help='Delete an initiator group')
1831    p.add_argument(
1832        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1833    p.set_defaults(func=iscsi_delete_initiator_group)
1834
1835    def iscsi_portal_group_set_auth(args):
1836        rpc.iscsi.iscsi_portal_group_set_auth(
1837            args.client,
1838            tag=args.tag,
1839            chap_group=args.chap_group,
1840            disable_chap=args.disable_chap,
1841            require_chap=args.require_chap,
1842            mutual_chap=args.mutual_chap)
1843
1844    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1845                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1846    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1847    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1848    *** Authentication group must be precreated ***""", type=int)
1849    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1850    *** Mutually exclusive with --require-chap ***""", action='store_true')
1851    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1852    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1853    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1854                   action='store_true')
1855    p.set_defaults(func=iscsi_portal_group_set_auth)
1856
1857    def iscsi_get_connections(args):
1858        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1859
1860    p = subparsers.add_parser('iscsi_get_connections',
1861                              help='Display iSCSI connections')
1862    p.set_defaults(func=iscsi_get_connections)
1863
1864    def iscsi_get_stats(args):
1865        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1866
1867    p = subparsers.add_parser('iscsi_get_stats',
1868                              help='Display stat information of iSCSI connections.')
1869    p.set_defaults(func=iscsi_get_stats)
1870
1871    def iscsi_get_options(args):
1872        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1873
1874    p = subparsers.add_parser('iscsi_get_options',
1875                              help='Display iSCSI global parameters')
1876    p.set_defaults(func=iscsi_get_options)
1877
1878    def scsi_get_devices(args):
1879        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1880
1881    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1882    p.set_defaults(func=scsi_get_devices)
1883
1884    # trace
1885    def trace_enable_tpoint_group(args):
1886        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1887
1888    p = subparsers.add_parser('trace_enable_tpoint_group',
1889                              help='enable trace on a specific tpoint group')
1890    p.add_argument(
1891        'name', help="""trace group name we want to enable in tpoint_group_mask.
1892        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1893    p.set_defaults(func=trace_enable_tpoint_group)
1894
1895    def trace_disable_tpoint_group(args):
1896        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1897
1898    p = subparsers.add_parser('trace_disable_tpoint_group',
1899                              help='disable trace on a specific tpoint group')
1900    p.add_argument(
1901        'name', help="""trace group name we want to disable in tpoint_group_mask.
1902        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1903    p.set_defaults(func=trace_disable_tpoint_group)
1904
1905    def trace_set_tpoint_mask(args):
1906        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1907
1908    p = subparsers.add_parser('trace_set_tpoint_mask',
1909                              help='enable tracepoint mask on a specific tpoint group')
1910    p.add_argument(
1911        'name', help="""trace group name we want to enable in tpoint_group_mask.
1912        (for example "bdev" for bdev trace group)""")
1913    p.add_argument(
1914        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1915        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1916        type=lambda m: int(m, 16))
1917    p.set_defaults(func=trace_set_tpoint_mask)
1918
1919    def trace_clear_tpoint_mask(args):
1920        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1921
1922    p = subparsers.add_parser('trace_clear_tpoint_mask',
1923                              help='disable tracepoint mask on a specific tpoint group')
1924    p.add_argument(
1925        'name', help="""trace group name we want to disable in tpoint_group_mask.
1926        (for example "bdev" for bdev trace group)""")
1927    p.add_argument(
1928        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1929        (for example value of "0x3" will disable the first two tpoints in this group)""",
1930        type=lambda m: int(m, 16))
1931    p.set_defaults(func=trace_clear_tpoint_mask)
1932
1933    def trace_get_tpoint_group_mask(args):
1934        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1935
1936    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1937    p.set_defaults(func=trace_get_tpoint_group_mask)
1938
1939    def trace_get_info(args):
1940        print_dict(rpc.trace.trace_get_info(args.client))
1941
1942    p = subparsers.add_parser('trace_get_info',
1943                              help='get name of shared memory file and list of the available trace point groups')
1944    p.set_defaults(func=trace_get_info)
1945
1946    # log
1947    def log_set_flag(args):
1948        rpc.log.log_set_flag(args.client, flag=args.flag)
1949
1950    p = subparsers.add_parser('log_set_flag', help='set log flag')
1951    p.add_argument(
1952        'flag', help='log flag we want to set. (for example "nvme").')
1953    p.set_defaults(func=log_set_flag)
1954
1955    def log_clear_flag(args):
1956        rpc.log.log_clear_flag(args.client, flag=args.flag)
1957
1958    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1959    p.add_argument(
1960        'flag', help='log flag we want to clear. (for example "nvme").')
1961    p.set_defaults(func=log_clear_flag)
1962
1963    def log_get_flags(args):
1964        print_dict(rpc.log.log_get_flags(args.client))
1965
1966    p = subparsers.add_parser('log_get_flags', help='get log flags')
1967    p.set_defaults(func=log_get_flags)
1968
1969    def log_set_level(args):
1970        rpc.log.log_set_level(args.client, level=args.level)
1971
1972    p = subparsers.add_parser('log_set_level', help='set log level')
1973    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1974    p.set_defaults(func=log_set_level)
1975
1976    def log_get_level(args):
1977        print_dict(rpc.log.log_get_level(args.client))
1978
1979    p = subparsers.add_parser('log_get_level', help='get log level')
1980    p.set_defaults(func=log_get_level)
1981
1982    def log_set_print_level(args):
1983        rpc.log.log_set_print_level(args.client, level=args.level)
1984
1985    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1986    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1987    p.set_defaults(func=log_set_print_level)
1988
1989    def log_get_print_level(args):
1990        print_dict(rpc.log.log_get_print_level(args.client))
1991
1992    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1993    p.set_defaults(func=log_get_print_level)
1994
1995    # lvol
1996    def bdev_lvol_create_lvstore(args):
1997        # The default unmap clear method may take over 60.0 sec.
1998        if args.timeout is None:
1999            args.client.timeout = 90.0
2000        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
2001                                                     bdev_name=args.bdev_name,
2002                                                     lvs_name=args.lvs_name,
2003                                                     cluster_sz=args.cluster_sz,
2004                                                     clear_method=args.clear_method,
2005                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
2006
2007    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2008    p.add_argument('bdev_name', help='base bdev name')
2009    p.add_argument('lvs_name', help='name for lvol store')
2010    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2011    p.add_argument('--clear-method', help="""Change clear method for data region.
2012        Available: none, unmap, write_zeroes""")
2013    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2014    p.set_defaults(func=bdev_lvol_create_lvstore)
2015
2016    def bdev_lvol_rename_lvstore(args):
2017        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2018                                          old_name=args.old_name,
2019                                          new_name=args.new_name)
2020
2021    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2022    p.add_argument('old_name', help='old name')
2023    p.add_argument('new_name', help='new name')
2024    p.set_defaults(func=bdev_lvol_rename_lvstore)
2025
2026    def bdev_lvol_grow_lvstore(args):
2027        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2028                                                   uuid=args.uuid,
2029                                                   lvs_name=args.lvs_name))
2030
2031    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2032                              help='Grow the lvstore size to the underlying bdev size')
2033    p.add_argument('-u', '--uuid', help='lvol store UUID')
2034    p.add_argument('-l', '--lvs-name', help='lvol store name')
2035    p.set_defaults(func=bdev_lvol_grow_lvstore)
2036
2037    def bdev_lvol_create(args):
2038        print_json(rpc.lvol.bdev_lvol_create(args.client,
2039                                             lvol_name=args.lvol_name,
2040                                             size_in_mib=args.size_in_mib,
2041                                             thin_provision=args.thin_provision,
2042                                             clear_method=args.clear_method,
2043                                             uuid=args.uuid,
2044                                             lvs_name=args.lvs_name))
2045
2046    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2047    p.add_argument('-u', '--uuid', help='lvol store UUID')
2048    p.add_argument('-l', '--lvs-name', help='lvol store name')
2049    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2050    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2051        Available: none, unmap, write_zeroes""")
2052    p.add_argument('lvol_name', help='name for this lvol')
2053    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2054    p.set_defaults(func=bdev_lvol_create)
2055
2056    def bdev_lvol_snapshot(args):
2057        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2058                                               lvol_name=args.lvol_name,
2059                                               snapshot_name=args.snapshot_name))
2060
2061    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2062    p.add_argument('lvol_name', help='lvol bdev name')
2063    p.add_argument('snapshot_name', help='lvol snapshot name')
2064    p.set_defaults(func=bdev_lvol_snapshot)
2065
2066    def bdev_lvol_clone(args):
2067        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2068                                            snapshot_name=args.snapshot_name,
2069                                            clone_name=args.clone_name))
2070
2071    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2072    p.add_argument('snapshot_name', help='lvol snapshot name')
2073    p.add_argument('clone_name', help='lvol clone name')
2074    p.set_defaults(func=bdev_lvol_clone)
2075
2076    def bdev_lvol_clone_bdev(args):
2077        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2078                                                 bdev=args.bdev,
2079                                                 lvs_name=args.lvs_name,
2080                                                 clone_name=args.clone_name))
2081
2082    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2083                              help='Create a clone of a non-lvol bdev')
2084    p.add_argument('bdev', help='bdev to clone')
2085    p.add_argument('lvs_name', help='logical volume store name')
2086    p.add_argument('clone_name', help='lvol clone name')
2087    p.set_defaults(func=bdev_lvol_clone_bdev)
2088
2089    def bdev_lvol_rename(args):
2090        rpc.lvol.bdev_lvol_rename(args.client,
2091                                  old_name=args.old_name,
2092                                  new_name=args.new_name)
2093
2094    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2095    p.add_argument('old_name', help='lvol bdev name')
2096    p.add_argument('new_name', help='new lvol name')
2097    p.set_defaults(func=bdev_lvol_rename)
2098
2099    def bdev_lvol_inflate(args):
2100        rpc.lvol.bdev_lvol_inflate(args.client,
2101                                   name=args.name)
2102
2103    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2104    p.add_argument('name', help='lvol bdev name')
2105    p.set_defaults(func=bdev_lvol_inflate)
2106
2107    def bdev_lvol_decouple_parent(args):
2108        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2109                                           name=args.name)
2110
2111    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2112    p.add_argument('name', help='lvol bdev name')
2113    p.set_defaults(func=bdev_lvol_decouple_parent)
2114
2115    def bdev_lvol_resize(args):
2116        rpc.lvol.bdev_lvol_resize(args.client,
2117                                  name=args.name,
2118                                  size_in_mib=args.size_in_mib)
2119
2120    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2121    p.add_argument('name', help='lvol bdev name')
2122    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2123    p.set_defaults(func=bdev_lvol_resize)
2124
2125    def bdev_lvol_set_read_only(args):
2126        rpc.lvol.bdev_lvol_set_read_only(args.client,
2127                                         name=args.name)
2128
2129    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2130    p.add_argument('name', help='lvol bdev name')
2131    p.set_defaults(func=bdev_lvol_set_read_only)
2132
2133    def bdev_lvol_delete(args):
2134        rpc.lvol.bdev_lvol_delete(args.client,
2135                                  name=args.name)
2136
2137    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2138    p.add_argument('name', help='lvol bdev name')
2139    p.set_defaults(func=bdev_lvol_delete)
2140
2141    def bdev_lvol_start_shallow_copy(args):
2142        print_json(rpc.lvol.bdev_lvol_start_shallow_copy(args.client,
2143                                                         src_lvol_name=args.src_lvol_name,
2144                                                         dst_bdev_name=args.dst_bdev_name))
2145
2146    p = subparsers.add_parser('bdev_lvol_start_shallow_copy',
2147                              help="""Start a shallow copy of an lvol over a given bdev.  The status of the operation
2148    can be obtained with bdev_lvol_check_shallow_copy""")
2149    p.add_argument('src_lvol_name', help='source lvol name')
2150    p.add_argument('dst_bdev_name', help='destination bdev name')
2151    p.set_defaults(func=bdev_lvol_start_shallow_copy)
2152
2153    def bdev_lvol_check_shallow_copy(args):
2154        print_json(rpc.lvol.bdev_lvol_check_shallow_copy(args.client,
2155                                                         operation_id=args.operation_id))
2156
2157    p = subparsers.add_parser('bdev_lvol_check_shallow_copy', help='Get shallow copy status')
2158    p.add_argument('operation_id', help='operation identifier', type=int)
2159    p.set_defaults(func=bdev_lvol_check_shallow_copy)
2160
2161    def bdev_lvol_set_parent(args):
2162        rpc.lvol.bdev_lvol_set_parent(args.client,
2163                                      lvol_name=args.lvol_name,
2164                                      snapshot_name=args.snapshot_name)
2165
2166    p = subparsers.add_parser('bdev_lvol_set_parent', help='Set the parent snapshot of a lvol')
2167    p.add_argument('lvol_name', help='lvol name')
2168    p.add_argument('snapshot_name', help='snapshot name')
2169    p.set_defaults(func=bdev_lvol_set_parent)
2170
2171    def bdev_lvol_set_parent_bdev(args):
2172        rpc.lvol.bdev_lvol_set_parent_bdev(args.client,
2173                                           lvol_name=args.lvol_name,
2174                                           esnap_name=args.esnap_name)
2175
2176    p = subparsers.add_parser('bdev_lvol_set_parent_bdev', help='Set the parent external snapshot of a lvol')
2177    p.add_argument('lvol_name', help='lvol name')
2178    p.add_argument('esnap_name', help='external snapshot name')
2179    p.set_defaults(func=bdev_lvol_set_parent_bdev)
2180
2181    def bdev_lvol_delete_lvstore(args):
2182        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2183                                          uuid=args.uuid,
2184                                          lvs_name=args.lvs_name)
2185
2186    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2187    p.add_argument('-u', '--uuid', help='lvol store UUID')
2188    p.add_argument('-l', '--lvs-name', help='lvol store name')
2189    p.set_defaults(func=bdev_lvol_delete_lvstore)
2190
2191    def bdev_lvol_get_lvstores(args):
2192        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2193                                                   uuid=args.uuid,
2194                                                   lvs_name=args.lvs_name))
2195
2196    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2197    p.add_argument('-u', '--uuid', help='lvol store UUID')
2198    p.add_argument('-l', '--lvs-name', help='lvol store name')
2199    p.set_defaults(func=bdev_lvol_get_lvstores)
2200
2201    def bdev_lvol_get_lvols(args):
2202        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2203                                                lvs_uuid=args.lvs_uuid,
2204                                                lvs_name=args.lvs_name))
2205
2206    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2207    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2208    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2209    p.set_defaults(func=bdev_lvol_get_lvols)
2210
2211    def bdev_raid_set_options(args):
2212        rpc.bdev.bdev_raid_set_options(args.client,
2213                                       process_window_size_kb=args.process_window_size_kb)
2214
2215    p = subparsers.add_parser('bdev_raid_set_options',
2216                              help='Set options for bdev raid.')
2217    p.add_argument('-w', '--process-window-size-kb', type=int,
2218                   help="Background process (e.g. rebuild) window size in KiB")
2219
2220    p.set_defaults(func=bdev_raid_set_options)
2221
2222    def bdev_raid_get_bdevs(args):
2223        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2224                                                category=args.category))
2225
2226    p = subparsers.add_parser('bdev_raid_get_bdevs',
2227                              help="""This is used to list all the raid bdev details based on the input category
2228    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2229    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2230    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2231    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2232    p.add_argument('category', help='all or online or configuring or offline')
2233    p.set_defaults(func=bdev_raid_get_bdevs)
2234
2235    def bdev_raid_create(args):
2236        base_bdevs = []
2237        for u in args.base_bdevs.strip().split():
2238            base_bdevs.append(u)
2239
2240        rpc.bdev.bdev_raid_create(args.client,
2241                                  name=args.name,
2242                                  strip_size_kb=args.strip_size_kb,
2243                                  raid_level=args.raid_level,
2244                                  base_bdevs=base_bdevs,
2245                                  uuid=args.uuid,
2246                                  superblock=args.superblock)
2247    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2248    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2249    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2250    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2251    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2252    p.add_argument('--uuid', help='UUID for this raid bdev')
2253    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2254                                              'disabled by default due to backward compatibility', action='store_true')
2255    p.set_defaults(func=bdev_raid_create)
2256
2257    def bdev_raid_delete(args):
2258        rpc.bdev.bdev_raid_delete(args.client,
2259                                  name=args.name)
2260    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2261    p.add_argument('name', help='raid bdev name')
2262    p.set_defaults(func=bdev_raid_delete)
2263
2264    def bdev_raid_add_base_bdev(args):
2265        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2266                                         raid_bdev=args.raid_bdev,
2267                                         base_bdev=args.base_bdev)
2268    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2269    p.add_argument('raid_bdev', help='raid bdev name')
2270    p.add_argument('base_bdev', help='base bdev name')
2271    p.set_defaults(func=bdev_raid_add_base_bdev)
2272
2273    def bdev_raid_remove_base_bdev(args):
2274        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2275                                            name=args.name)
2276    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2277    p.add_argument('name', help='base bdev name')
2278    p.set_defaults(func=bdev_raid_remove_base_bdev)
2279
2280    # split
2281    def bdev_split_create(args):
2282        print_array(rpc.bdev.bdev_split_create(args.client,
2283                                               base_bdev=args.base_bdev,
2284                                               split_count=args.split_count,
2285                                               split_size_mb=args.split_size_mb))
2286
2287    p = subparsers.add_parser('bdev_split_create',
2288                              help="""Add given disk name to split config. If bdev with base_name
2289    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2290    available (during examination process).""")
2291    p.add_argument('base_bdev', help='base bdev name')
2292    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2293    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2294    exceed the base bdev size.""", type=int)
2295    p.set_defaults(func=bdev_split_create)
2296
2297    def bdev_split_delete(args):
2298        rpc.bdev.bdev_split_delete(args.client,
2299                                   base_bdev=args.base_bdev)
2300
2301    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2302    p.add_argument('base_bdev', help='base bdev name')
2303    p.set_defaults(func=bdev_split_delete)
2304
2305    # ftl
2306    def bdev_ftl_create(args):
2307        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2308                                            name=args.name,
2309                                            base_bdev=args.base_bdev,
2310                                            uuid=args.uuid,
2311                                            cache=args.cache,
2312                                            overprovisioning=args.overprovisioning,
2313                                            l2p_dram_limit=args.l2p_dram_limit,
2314                                            core_mask=args.core_mask,
2315                                            fast_shutdown=args.fast_shutdown))
2316
2317    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2318    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2319    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2320                   required=True)
2321    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2322                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2323    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2324                   required=True)
2325    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2326                   ' to user (optional); default 20', type=int)
2327    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2328                   type=int)
2329    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2330                   'by default core thread will be set to the main application core (optional)')
2331    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2332    p.set_defaults(func=bdev_ftl_create)
2333
2334    def bdev_ftl_load(args):
2335        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2336                                          name=args.name,
2337                                          base_bdev=args.base_bdev,
2338                                          uuid=args.uuid,
2339                                          cache=args.cache,
2340                                          overprovisioning=args.overprovisioning,
2341                                          l2p_dram_limit=args.l2p_dram_limit,
2342                                          core_mask=args.core_mask,
2343                                          fast_shutdown=args.fast_shutdown))
2344
2345    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2346    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2347    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2348                   required=True)
2349    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2350    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2351                   required=True)
2352    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2353                   ' to user (optional); default 20', type=int)
2354    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2355                   type=int)
2356    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2357                   'by default core thread will be set to the main application core (optional)')
2358    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2359    p.set_defaults(func=bdev_ftl_load)
2360
2361    def bdev_ftl_unload(args):
2362        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2363
2364    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2365    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2366    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2367    p.set_defaults(func=bdev_ftl_unload)
2368
2369    def bdev_ftl_delete(args):
2370        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2371
2372    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2373    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2374    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2375    p.set_defaults(func=bdev_ftl_delete)
2376
2377    def bdev_ftl_unmap(args):
2378        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2379                                           lba=args.lba,
2380                                           num_blocks=args.num_blocks))
2381
2382    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2383    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2384    p.add_argument('--lba', help='start LBA', required=True, type=int)
2385    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2386    p.set_defaults(func=bdev_ftl_unmap)
2387
2388    def bdev_ftl_get_stats(args):
2389        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2390
2391    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2392    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2393    p.set_defaults(func=bdev_ftl_get_stats)
2394
2395    def bdev_ftl_get_properties(args):
2396        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2397
2398    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2399    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2400    p.set_defaults(func=bdev_ftl_get_properties)
2401
2402    def bdev_ftl_set_property(args):
2403        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2404                   ftl_property=args.property,
2405                   value=args.value))
2406
2407    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2408    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2409    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2410    p.add_argument('-v', '--value', help="Value of the property", required=True)
2411    p.set_defaults(func=bdev_ftl_set_property)
2412
2413    # vmd
2414    def vmd_enable(args):
2415        print_dict(rpc.vmd.vmd_enable(args.client))
2416
2417    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2418    p.set_defaults(func=vmd_enable)
2419
2420    def vmd_remove_device(args):
2421        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2422
2423    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2424    p.add_argument('addr', help='Address of the device to remove', type=str)
2425    p.set_defaults(func=vmd_remove_device)
2426
2427    def vmd_rescan(args):
2428        print_dict(rpc.vmd.vmd_rescan(args.client))
2429
2430    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2431    p.set_defaults(func=vmd_rescan)
2432
2433    # ublk
2434    def ublk_create_target(args):
2435        rpc.ublk.ublk_create_target(args.client,
2436                                    cpumask=args.cpumask,
2437                                    disable_user_copy=args.disable_user_copy)
2438    p = subparsers.add_parser('ublk_create_target',
2439                              help='Create spdk ublk target for ublk dev')
2440    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2441    p.add_argument('--disable-user-copy', help='Disable user copy feature', action='store_true')
2442    p.set_defaults(func=ublk_create_target)
2443
2444    def ublk_destroy_target(args):
2445        rpc.ublk.ublk_destroy_target(args.client)
2446    p = subparsers.add_parser('ublk_destroy_target',
2447                              help='Destroy spdk ublk target for ublk dev')
2448    p.set_defaults(func=ublk_destroy_target)
2449
2450    def ublk_start_disk(args):
2451        print(rpc.ublk.ublk_start_disk(args.client,
2452                                       bdev_name=args.bdev_name,
2453                                       ublk_id=args.ublk_id,
2454                                       num_queues=args.num_queues,
2455                                       queue_depth=args.queue_depth))
2456
2457    p = subparsers.add_parser('ublk_start_disk',
2458                              help='Export a bdev as a ublk device')
2459    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2460    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2461    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2462    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2463    p.set_defaults(func=ublk_start_disk)
2464
2465    def ublk_stop_disk(args):
2466        rpc.ublk.ublk_stop_disk(args.client,
2467                                ublk_id=args.ublk_id)
2468
2469    p = subparsers.add_parser('ublk_stop_disk',
2470                              help='Stop a ublk device')
2471    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2472    p.set_defaults(func=ublk_stop_disk)
2473
2474    def ublk_recover_disk(args):
2475        print(rpc.ublk.ublk_recover_disk(args.client,
2476                                         bdev_name=args.bdev_name,
2477                                         ublk_id=args.ublk_id))
2478
2479    p = subparsers.add_parser('ublk_recover_disk',
2480                              help='Recover ublk device')
2481    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2482    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2483    p.set_defaults(func=ublk_recover_disk)
2484
2485    def ublk_get_disks(args):
2486        print_dict(rpc.ublk.ublk_get_disks(args.client,
2487                                           ublk_id=args.ublk_id))
2488
2489    p = subparsers.add_parser('ublk_get_disks',
2490                              help='Display full or specified ublk device list')
2491    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2492    p.set_defaults(func=ublk_get_disks)
2493
2494    # nbd
2495    def nbd_start_disk(args):
2496        print(rpc.nbd.nbd_start_disk(args.client,
2497                                     bdev_name=args.bdev_name,
2498                                     nbd_device=args.nbd_device))
2499
2500    p = subparsers.add_parser('nbd_start_disk',
2501                              help='Export a bdev as an nbd disk')
2502    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2503    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2504    p.set_defaults(func=nbd_start_disk)
2505
2506    def nbd_stop_disk(args):
2507        rpc.nbd.nbd_stop_disk(args.client,
2508                              nbd_device=args.nbd_device)
2509
2510    p = subparsers.add_parser('nbd_stop_disk',
2511                              help='Stop an nbd disk')
2512    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2513    p.set_defaults(func=nbd_stop_disk)
2514
2515    def nbd_get_disks(args):
2516        print_dict(rpc.nbd.nbd_get_disks(args.client,
2517                                         nbd_device=args.nbd_device))
2518
2519    p = subparsers.add_parser('nbd_get_disks',
2520                              help='Display full or specified nbd device list')
2521    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2522    p.set_defaults(func=nbd_get_disks)
2523
2524    # NVMe-oF
2525    def nvmf_set_max_subsystems(args):
2526        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2527                                         max_subsystems=args.max_subsystems)
2528
2529    p = subparsers.add_parser('nvmf_set_max_subsystems',
2530                              help='Set the maximum number of NVMf target subsystems')
2531    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2532    p.set_defaults(func=nvmf_set_max_subsystems)
2533
2534    def nvmf_set_config(args):
2535        rpc.nvmf.nvmf_set_config(args.client,
2536                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2537                                 poll_groups_mask=args.poll_groups_mask,
2538                                 discovery_filter=args.discovery_filter,
2539                                 dhchap_digests=args.dhchap_digests,
2540                                 dhchap_dhgroups=args.dhchap_dhgroups)
2541
2542    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2543    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2544    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2545    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2546    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2547         comma separated values: `transport`, `address`, `svcid`""", type=str)
2548    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
2549                   type=lambda d: d.split(','))
2550    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
2551                   type=lambda d: d.split(','))
2552    p.set_defaults(func=nvmf_set_config)
2553
2554    def nvmf_create_transport(args):
2555        rpc.nvmf.nvmf_create_transport(**vars(args))
2556
2557    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2558    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2559    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2560    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2561    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2562    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2563    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2564    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2565    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2566    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2567    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2568    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2569    underlying bdev supports them''')
2570    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2571    Relevant only for RDMA transport""", type=int)
2572    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2573    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2574    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2575    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2576    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2577    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2578    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2579    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2580    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2581    Relevant only for TCP transport""", type=int)
2582    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2583    Relevant only for VFIO-USER transport""")
2584    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2585    Relevant only for VFIO-USER transport""")
2586    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2587    Relevant only for VFIO-USER transport""")
2588    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2589    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2590    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2591    p.add_argument('--disable-command-passthru', help='Disallow command passthru', action='store_true')
2592    p.set_defaults(func=nvmf_create_transport)
2593
2594    def nvmf_get_transports(args):
2595        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2596
2597    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2598    p.add_argument('--trtype', help='Transport type (optional)')
2599    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2600    p.set_defaults(func=nvmf_get_transports)
2601
2602    def nvmf_get_subsystems(args):
2603        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2604
2605    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2606    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2607    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2608    p.set_defaults(func=nvmf_get_subsystems)
2609
2610    def nvmf_create_subsystem(args):
2611        rpc.nvmf.nvmf_create_subsystem(args.client,
2612                                       nqn=args.nqn,
2613                                       tgt_name=args.tgt_name,
2614                                       serial_number=args.serial_number,
2615                                       model_number=args.model_number,
2616                                       allow_any_host=args.allow_any_host,
2617                                       max_namespaces=args.max_namespaces,
2618                                       ana_reporting=args.ana_reporting,
2619                                       min_cntlid=args.min_cntlid,
2620                                       max_cntlid=args.max_cntlid,
2621                                       max_discard_size_kib=args.max_discard_size,
2622                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2623
2624    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2625    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2626    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2627    p.add_argument("-s", "--serial-number", help="""
2628    Format:  'sn' etc
2629    Example: 'SPDK00000000000001'""")
2630    p.add_argument("-d", "--model-number", help="""
2631    Format:  'mn' etc
2632    Example: 'SPDK Controller'""")
2633    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2634    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2635                   type=int)
2636    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2637    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2638    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2639    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2640    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2641    p.set_defaults(func=nvmf_create_subsystem)
2642
2643    def nvmf_delete_subsystem(args):
2644        rpc.nvmf.nvmf_delete_subsystem(args.client,
2645                                       nqn=args.subsystem_nqn,
2646                                       tgt_name=args.tgt_name)
2647
2648    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2649    p.add_argument('subsystem_nqn',
2650                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2651    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2652    p.set_defaults(func=nvmf_delete_subsystem)
2653
2654    def nvmf_subsystem_add_listener(args):
2655        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2656
2657    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2658    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2659    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2660    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2661    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2662    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2663    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2664    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2665    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2666    p.add_argument('-S', '--sock-impl', help='The socket implementation to use for the listener (ex. posix)', type=str)
2667    p.set_defaults(func=nvmf_subsystem_add_listener)
2668
2669    def nvmf_subsystem_remove_listener(args):
2670        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2671                                                nqn=args.nqn,
2672                                                trtype=args.trtype,
2673                                                traddr=args.traddr,
2674                                                tgt_name=args.tgt_name,
2675                                                adrfam=args.adrfam,
2676                                                trsvcid=args.trsvcid)
2677
2678    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2679    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2680    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2681    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2682    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2683    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2684    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2685    p.set_defaults(func=nvmf_subsystem_remove_listener)
2686
2687    def nvmf_subsystem_listener_set_ana_state(args):
2688        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2689                                                       nqn=args.nqn,
2690                                                       ana_state=args.ana_state,
2691                                                       trtype=args.trtype,
2692                                                       traddr=args.traddr,
2693                                                       tgt_name=args.tgt_name,
2694                                                       adrfam=args.adrfam,
2695                                                       trsvcid=args.trsvcid,
2696                                                       anagrpid=args.anagrpid)
2697
2698    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2699    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2700    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2701    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2702    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2703    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2704    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2705    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2706    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2707    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2708
2709    def nvmf_discovery_add_referral(args):
2710        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2711
2712    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2713    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2714    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2715    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2716    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2717    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2718    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2719                   action="store_true")
2720    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2721    p.set_defaults(func=nvmf_discovery_add_referral)
2722
2723    def nvmf_discovery_remove_referral(args):
2724        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2725                                                trtype=args.trtype,
2726                                                traddr=args.traddr,
2727                                                tgt_name=args.tgt_name,
2728                                                adrfam=args.adrfam,
2729                                                trsvcid=args.trsvcid,
2730                                                subnqn=args.subnqn)
2731
2732    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2733    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2734    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2735    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2736    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2737    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2738    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2739    p.set_defaults(func=nvmf_discovery_remove_referral)
2740
2741    def nvmf_discovery_get_referrals(args):
2742        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2743                                                         tgt_name=args.tgt_name))
2744
2745    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2746                              help='Display discovery subsystem referrals of an NVMe-oF target')
2747    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2748    p.set_defaults(func=nvmf_discovery_get_referrals)
2749
2750    def nvmf_subsystem_add_ns(args):
2751        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2752
2753    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2754    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2755    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2756    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2757    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2758    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2759    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2760    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2761    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2762    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2763    p.add_argument('-i', '--no-auto-visible', action='store_true',
2764                   help='Do not auto make namespace visible to controllers (optional)')
2765    p.set_defaults(func=nvmf_subsystem_add_ns)
2766
2767    def nvmf_subsystem_remove_ns(args):
2768        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2769                                          nqn=args.nqn,
2770                                          nsid=args.nsid,
2771                                          tgt_name=args.tgt_name)
2772
2773    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2774    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2775    p.add_argument('nsid', help='The requested NSID', type=int)
2776    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2777    p.set_defaults(func=nvmf_subsystem_remove_ns)
2778
2779    def nvmf_ns_add_host(args):
2780        rpc.nvmf.nvmf_ns_visible(True,
2781                                 args.client,
2782                                 nqn=args.nqn,
2783                                 nsid=args.nsid,
2784                                 host=args.host,
2785                                 tgt_name=args.tgt_name)
2786
2787    def nvmf_ns_visible_add_args(p):
2788        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2789        p.add_argument('nsid', help='The requested NSID', type=int)
2790        p.add_argument('host', help='Host NQN to make namespace visible to')
2791        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2792
2793    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2794    nvmf_ns_visible_add_args(p)
2795    p.set_defaults(func=nvmf_ns_add_host)
2796
2797    def nvmf_ns_remove_host(args):
2798        rpc.nvmf.nvmf_ns_visible(False,
2799                                 args.client,
2800                                 nqn=args.nqn,
2801                                 nsid=args.nsid,
2802                                 host=args.host,
2803                                 tgt_name=args.tgt_name)
2804
2805    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2806    nvmf_ns_visible_add_args(p)
2807    p.set_defaults(func=nvmf_ns_remove_host)
2808
2809    def nvmf_subsystem_add_host(args):
2810        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2811                                         nqn=args.nqn,
2812                                         host=args.host,
2813                                         tgt_name=args.tgt_name,
2814                                         psk=args.psk,
2815                                         dhchap_key=args.dhchap_key,
2816                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key)
2817
2818    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2819    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2820    p.add_argument('host', help='Host NQN to allow')
2821    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2822    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2823    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name (optional)')
2824    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name (optional)')
2825    p.set_defaults(func=nvmf_subsystem_add_host)
2826
2827    def nvmf_subsystem_remove_host(args):
2828        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2829                                            nqn=args.nqn,
2830                                            host=args.host,
2831                                            tgt_name=args.tgt_name)
2832
2833    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2834    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2835    p.add_argument('host', help='Host NQN to remove')
2836    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2837    p.set_defaults(func=nvmf_subsystem_remove_host)
2838
2839    def nvmf_subsystem_allow_any_host(args):
2840        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2841                                               nqn=args.nqn,
2842                                               disable=args.disable,
2843                                               tgt_name=args.tgt_name)
2844
2845    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2846    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2847    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2848    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2849    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2850    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2851
2852    def nvmf_subsystem_get_controllers(args):
2853        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2854                                                           nqn=args.nqn,
2855                                                           tgt_name=args.tgt_name))
2856
2857    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2858                              help='Display controllers of an NVMe-oF subsystem.')
2859    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2860    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2861    p.set_defaults(func=nvmf_subsystem_get_controllers)
2862
2863    def nvmf_subsystem_get_qpairs(args):
2864        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2865                                                      nqn=args.nqn,
2866                                                      tgt_name=args.tgt_name))
2867
2868    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2869                              help='Display queue pairs of an NVMe-oF subsystem.')
2870    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2871    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2872    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2873
2874    def nvmf_subsystem_get_listeners(args):
2875        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2876                                                         nqn=args.nqn,
2877                                                         tgt_name=args.tgt_name))
2878
2879    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2880                              help='Display listeners of an NVMe-oF subsystem.')
2881    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2882    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2883    p.set_defaults(func=nvmf_subsystem_get_listeners)
2884
2885    def nvmf_get_stats(args):
2886        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2887
2888    p = subparsers.add_parser(
2889        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2890    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2891    p.set_defaults(func=nvmf_get_stats)
2892
2893    def nvmf_set_crdt(args):
2894        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2895
2896    p = subparsers.add_parser(
2897        'nvmf_set_crdt',
2898        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2899        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2900    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2901    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2902    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2903    p.set_defaults(func=nvmf_set_crdt)
2904
2905    def nvmf_publish_mdns_prr(args):
2906        rpc.nvmf.nvmf_publish_mdns_prr(args.client, args.tgt_name)
2907
2908    p = subparsers.add_parser('nvmf_publish_mdns_prr',
2909                              help='Publish pull registration request through mdns')
2910    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2911    p.set_defaults(func=nvmf_publish_mdns_prr)
2912
2913    def nvmf_stop_mdns_prr(args):
2914        rpc.nvmf.nvmf_stop_mdns_prr(args.client, args.tgt_name)
2915
2916    p = subparsers.add_parser('nvmf_stop_mdns_prr',
2917                              help='Stop publishing pull registration request through mdns')
2918    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2919    p.set_defaults(func=nvmf_stop_mdns_prr)
2920
2921    # subsystem
2922    def framework_get_subsystems(args):
2923        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2924
2925    p = subparsers.add_parser('framework_get_subsystems',
2926                              help="""Print subsystems array in initialization order. Each subsystem
2927    entry contain (unsorted) array of subsystems it depends on.""")
2928    p.set_defaults(func=framework_get_subsystems)
2929
2930    def framework_get_config(args):
2931        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2932
2933    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2934    p.add_argument('name', help='Name of subsystem to query')
2935    p.set_defaults(func=framework_get_config)
2936
2937    # vhost
2938    def vhost_controller_set_coalescing(args):
2939        rpc.vhost.vhost_controller_set_coalescing(args.client,
2940                                                  ctrlr=args.ctrlr,
2941                                                  delay_base_us=args.delay_base_us,
2942                                                  iops_threshold=args.iops_threshold)
2943
2944    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2945    p.add_argument('ctrlr', help='controller name')
2946    p.add_argument('delay_base_us', help='Base delay time', type=int)
2947    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2948    p.set_defaults(func=vhost_controller_set_coalescing)
2949
2950    def virtio_blk_create_transport(args):
2951        rpc.vhost.virtio_blk_create_transport(**vars(args))
2952
2953    p = subparsers.add_parser('virtio_blk_create_transport',
2954                              help='Create virtio blk transport')
2955    p.add_argument('name', help='transport name')
2956    p.set_defaults(func=virtio_blk_create_transport)
2957
2958    def virtio_blk_get_transports(args):
2959        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2960
2961    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2962    p.add_argument('--name', help='Transport name (optional)', type=str)
2963    p.set_defaults(func=virtio_blk_get_transports)
2964
2965    def vhost_create_scsi_controller(args):
2966        rpc.vhost.vhost_create_scsi_controller(args.client,
2967                                               ctrlr=args.ctrlr,
2968                                               cpumask=args.cpumask,
2969                                               delay=args.delay)
2970
2971    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2972    p.add_argument('ctrlr', help='controller name')
2973    p.add_argument('--cpumask', help='cpu mask for this controller')
2974    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2975    p.set_defaults(func=vhost_create_scsi_controller)
2976
2977    def vhost_start_scsi_controller(args):
2978        rpc.vhost.vhost_start_scsi_controller(args.client,
2979                                              ctrlr=args.ctrlr)
2980
2981    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2982    p.add_argument('ctrlr', help='controller name')
2983    p.set_defaults(func=vhost_start_scsi_controller)
2984
2985    def vhost_scsi_controller_add_target(args):
2986        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2987                                                              ctrlr=args.ctrlr,
2988                                                              scsi_target_num=args.scsi_target_num,
2989                                                              bdev_name=args.bdev_name))
2990
2991    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2992    p.add_argument('ctrlr', help='controller name where add lun')
2993    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2994    p.add_argument('bdev_name', help='bdev name')
2995    p.set_defaults(func=vhost_scsi_controller_add_target)
2996
2997    def vhost_scsi_controller_remove_target(args):
2998        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2999                                                      ctrlr=args.ctrlr,
3000                                                      scsi_target_num=args.scsi_target_num)
3001
3002    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
3003                              help='Remove target from vhost controller')
3004    p.add_argument('ctrlr', help='controller name to remove target from')
3005    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
3006    p.set_defaults(func=vhost_scsi_controller_remove_target)
3007
3008    def vhost_create_blk_controller(args):
3009        rpc.vhost.vhost_create_blk_controller(**vars(args))
3010
3011    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
3012    p.add_argument('ctrlr', help='controller name')
3013    p.add_argument('dev_name', help='device name')
3014    p.add_argument('--cpumask', help='cpu mask for this controller')
3015    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
3016    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
3017    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
3018    p.set_defaults(func=vhost_create_blk_controller)
3019
3020    def vhost_get_controllers(args):
3021        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
3022
3023    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
3024    p.add_argument('-n', '--name', help="Name of vhost controller")
3025    p.set_defaults(func=vhost_get_controllers)
3026
3027    def vhost_delete_controller(args):
3028        rpc.vhost.vhost_delete_controller(args.client,
3029                                          ctrlr=args.ctrlr)
3030
3031    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
3032    p.add_argument('ctrlr', help='controller name')
3033    p.set_defaults(func=vhost_delete_controller)
3034
3035    def bdev_virtio_attach_controller(args):
3036        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
3037                                                            name=args.name,
3038                                                            trtype=args.trtype,
3039                                                            traddr=args.traddr,
3040                                                            dev_type=args.dev_type,
3041                                                            vq_count=args.vq_count,
3042                                                            vq_size=args.vq_size))
3043
3044    p = subparsers.add_parser('bdev_virtio_attach_controller',
3045                              help="""Attach virtio controller using provided
3046    transport type and device type. This will also create bdevs for any block devices connected to the
3047    controller (for example, SCSI devices for a virtio-scsi controller).
3048    Result is array of added bdevs.""")
3049    p.add_argument('name', help="Use this name as base for new created bdevs")
3050    p.add_argument('-t', '--trtype',
3051                   help='Virtio target transport type: pci or user', required=True)
3052    p.add_argument('-a', '--traddr',
3053                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
3054    p.add_argument('-d', '--dev-type',
3055                   help='Device type: blk or scsi', required=True)
3056    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
3057    p.add_argument('--vq-size', help='Size of each queue', type=int)
3058    p.set_defaults(func=bdev_virtio_attach_controller)
3059
3060    def bdev_virtio_scsi_get_devices(args):
3061        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
3062
3063    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
3064    p.set_defaults(func=bdev_virtio_scsi_get_devices)
3065
3066    def bdev_virtio_detach_controller(args):
3067        rpc.vhost.bdev_virtio_detach_controller(args.client,
3068                                                name=args.name)
3069
3070    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
3071    This will delete all bdevs exposed by this device""")
3072    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
3073    p.set_defaults(func=bdev_virtio_detach_controller)
3074
3075    def bdev_virtio_blk_set_hotplug(args):
3076        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3077
3078    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3079    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3080    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3081    p.add_argument('-r', '--period-us',
3082                   help='How often the hotplug is processed for insert and remove events', type=int)
3083    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3084
3085    # vfio-user target
3086    def vfu_tgt_set_base_path(args):
3087        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3088
3089    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3090    p.add_argument('path', help='socket base path')
3091    p.set_defaults(func=vfu_tgt_set_base_path)
3092
3093    def vfu_virtio_delete_endpoint(args):
3094        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3095
3096    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3097    p.add_argument('name', help='Endpoint name')
3098    p.set_defaults(func=vfu_virtio_delete_endpoint)
3099
3100    def vfu_virtio_create_blk_endpoint(args):
3101        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3102                                                     name=args.name,
3103                                                     bdev_name=args.bdev_name,
3104                                                     cpumask=args.cpumask,
3105                                                     num_queues=args.num_queues,
3106                                                     qsize=args.qsize,
3107                                                     packed_ring=args.packed_ring)
3108
3109    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3110    p.add_argument('name', help='Name of the endpoint')
3111    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3112    p.add_argument('--cpumask', help='CPU masks')
3113    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3114    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3115    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3116    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3117
3118    def vfu_virtio_scsi_add_target(args):
3119        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3120                                                 name=args.name,
3121                                                 scsi_target_num=args.scsi_target_num,
3122                                                 bdev_name=args.bdev_name)
3123
3124    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3125    p.add_argument('name', help='Name of the endpoint')
3126    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3127    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3128    p.set_defaults(func=vfu_virtio_scsi_add_target)
3129
3130    def vfu_virtio_scsi_remove_target(args):
3131        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3132                                                    name=args.name,
3133                                                    scsi_target_num=args.scsi_target_num)
3134
3135    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3136    p.add_argument('name', help='Name of the endpoint')
3137    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3138    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3139
3140    def vfu_virtio_create_scsi_endpoint(args):
3141        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3142                                                      name=args.name,
3143                                                      cpumask=args.cpumask,
3144                                                      num_io_queues=args.num_io_queues,
3145                                                      qsize=args.qsize,
3146                                                      packed_ring=args.packed_ring)
3147
3148    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3149    p.add_argument('name', help='Name of the endpoint')
3150    p.add_argument('--cpumask', help='CPU masks')
3151    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3152    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3153    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3154    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3155
3156    # accel_fw
3157    def accel_get_opc_assignments(args):
3158        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3159
3160    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3161    p.set_defaults(func=accel_get_opc_assignments)
3162
3163    def accel_get_module_info(args):
3164        print_dict(rpc.accel.accel_get_module_info(args.client))
3165
3166    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3167                              help='Get list of valid module names and their operations.')
3168    p.set_defaults(func=accel_get_module_info)
3169
3170    def accel_assign_opc(args):
3171        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3172
3173    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3174    p.add_argument('-o', '--opname', help='opname')
3175    p.add_argument('-m', '--module', help='name of module')
3176    p.set_defaults(func=accel_assign_opc)
3177
3178    def accel_crypto_key_create(args):
3179        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3180                                                     cipher=args.cipher,
3181                                                     key=args.key,
3182                                                     key2=args.key2,
3183                                                     tweak_mode=args.tweak_mode,
3184                                                     name=args.name))
3185
3186    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3187    p.add_argument('-c', '--cipher', help='cipher', required=True)
3188    p.add_argument('-k', '--key', help='key', required=True)
3189    p.add_argument('-e', '--key2', help='key2', default=None)
3190    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3191    p.add_argument('-n', '--name', help='key name', required=True)
3192    p.set_defaults(func=accel_crypto_key_create)
3193
3194    def accel_crypto_key_destroy(args):
3195        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3196                                                      key_name=args.name))
3197
3198    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3199    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3200    p.set_defaults(func=accel_crypto_key_destroy)
3201
3202    def accel_crypto_keys_get(args):
3203        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3204                                                   key_name=args.key_name))
3205
3206    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3207    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3208    p.set_defaults(func=accel_crypto_keys_get)
3209
3210    def accel_set_driver(args):
3211        rpc.accel.accel_set_driver(args.client, name=args.name)
3212
3213    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3214                              'operation chains')
3215    p.add_argument('name', help='name of the platform driver')
3216    p.set_defaults(func=accel_set_driver)
3217
3218    def accel_set_options(args):
3219        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3220                                    args.task_count, args.sequence_count, args.buf_count)
3221
3222    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3223    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3224    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3225    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3226    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3227    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3228    p.set_defaults(func=accel_set_options)
3229
3230    def accel_get_stats(args):
3231        print_dict(rpc.accel.accel_get_stats(args.client))
3232
3233    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3234    p.set_defaults(func=accel_get_stats)
3235
3236    # ioat
3237    def ioat_scan_accel_module(args):
3238        rpc.ioat.ioat_scan_accel_module(args.client)
3239
3240    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3241                              help='Enable IOAT accel module offload.')
3242    p.set_defaults(func=ioat_scan_accel_module)
3243
3244    # dpdk compressdev
3245    def compressdev_scan_accel_module(args):
3246        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3247
3248    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3249    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3250    p.set_defaults(func=compressdev_scan_accel_module)
3251
3252    # dsa
3253    def dsa_scan_accel_module(args):
3254        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3255
3256    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3257                              help='Set config and enable dsa accel module offload.')
3258    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3259                   action='store_true', dest='config_kernel_mode')
3260    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3261
3262    # iaa
3263    def iaa_scan_accel_module(args):
3264        rpc.iaa.iaa_scan_accel_module(args.client)
3265
3266    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3267                              help='Set config and enable iaa accel module offload.')
3268    p.set_defaults(func=iaa_scan_accel_module)
3269
3270    def dpdk_cryptodev_scan_accel_module(args):
3271        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3272
3273    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3274                              help='Enable dpdk_cryptodev accel module offload.')
3275    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3276
3277    def dpdk_cryptodev_set_driver(args):
3278        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3279                                                     driver_name=args.driver_name)
3280
3281    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3282                              help='Set the DPDK cryptodev driver.')
3283    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3284    p.set_defaults(func=dpdk_cryptodev_set_driver)
3285
3286    def dpdk_cryptodev_get_driver(args):
3287        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3288
3289    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3290    p.set_defaults(func=dpdk_cryptodev_get_driver)
3291
3292    # mlx5
3293    def mlx5_scan_accel_module(args):
3294        rpc.mlx5.mlx5_scan_accel_module(args.client,
3295                                        qp_size=args.qp_size,
3296                                        num_requests=args.num_requests)
3297
3298    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3299    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3300    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3301    p.set_defaults(func=mlx5_scan_accel_module)
3302
3303    # accel_error
3304    def accel_error_inject_error(args):
3305        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3306                                           type=args.type, count=args.count,
3307                                           interval=args.interval, errcode=args.errcode)
3308
3309    p = subparsers.add_parser('accel_error_inject_error',
3310                              help='Inject an error to processing accel operation')
3311    p.add_argument('-o', '--opcode', help='Opcode')
3312    p.add_argument('-t', '--type',
3313                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3314    p.add_argument('-c', '--count', type=int,
3315                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3316    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3317    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3318    p.set_defaults(func=accel_error_inject_error)
3319
3320    # opal
3321    def bdev_nvme_opal_init(args):
3322        rpc.nvme.bdev_nvme_opal_init(args.client,
3323                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3324                                     password=args.password)
3325
3326    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3327    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3328    p.add_argument('-p', '--password', help='password for admin')
3329    p.set_defaults(func=bdev_nvme_opal_init)
3330
3331    def bdev_nvme_opal_revert(args):
3332        rpc.nvme.bdev_nvme_opal_revert(args.client,
3333                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3334                                       password=args.password)
3335    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3336    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3337    p.add_argument('-p', '--password', help='password')
3338    p.set_defaults(func=bdev_nvme_opal_revert)
3339
3340    def bdev_opal_create(args):
3341        print_json(rpc.bdev.bdev_opal_create(args.client,
3342                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3343                                             nsid=args.nsid,
3344                                             locking_range_id=args.locking_range_id,
3345                                             range_start=args.range_start,
3346                                             range_length=args.range_length,
3347                                             password=args.password))
3348
3349    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3350    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3351    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3352    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3353    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3354    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3355    p.add_argument('-p', '--password', help='admin password', required=True)
3356    p.set_defaults(func=bdev_opal_create)
3357
3358    def bdev_opal_get_info(args):
3359        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3360                                               bdev_name=args.bdev_name,
3361                                               password=args.password))
3362
3363    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3364    p.add_argument('-b', '--bdev-name', help='opal bdev')
3365    p.add_argument('-p', '--password', help='password')
3366    p.set_defaults(func=bdev_opal_get_info)
3367
3368    def bdev_opal_delete(args):
3369        rpc.bdev.bdev_opal_delete(args.client,
3370                                  bdev_name=args.bdev_name,
3371                                  password=args.password)
3372
3373    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3374    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3375    p.add_argument('-p', '--password', help='admin password', required=True)
3376    p.set_defaults(func=bdev_opal_delete)
3377
3378    def bdev_opal_new_user(args):
3379        rpc.bdev.bdev_opal_new_user(args.client,
3380                                    bdev_name=args.bdev_name,
3381                                    admin_password=args.admin_password,
3382                                    user_id=args.user_id,
3383                                    user_password=args.user_password)
3384
3385    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3386    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3387    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3388    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3389    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3390    p.set_defaults(func=bdev_opal_new_user)
3391
3392    def bdev_opal_set_lock_state(args):
3393        rpc.bdev.bdev_opal_set_lock_state(args.client,
3394                                          bdev_name=args.bdev_name,
3395                                          user_id=args.user_id,
3396                                          password=args.password,
3397                                          lock_state=args.lock_state)
3398
3399    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3400    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3401    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',
3402                   type=int, required=True)
3403    p.add_argument('-p', '--password', help='password of this user', required=True)
3404    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3405    p.set_defaults(func=bdev_opal_set_lock_state)
3406
3407    # bdev_nvme_send_cmd
3408    def bdev_nvme_send_cmd(args):
3409        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3410                                               name=args.nvme_name,
3411                                               cmd_type=args.cmd_type,
3412                                               data_direction=args.data_direction,
3413                                               cmdbuf=args.cmdbuf,
3414                                               data=args.data,
3415                                               metadata=args.metadata,
3416                                               data_len=args.data_length,
3417                                               metadata_len=args.metadata_length,
3418                                               timeout_ms=args.timeout_ms))
3419
3420    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3421    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3422    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3423    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3424    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3425    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3426    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3427    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3428    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3429    p.add_argument('-T', '--timeout-ms',
3430                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3431    p.set_defaults(func=bdev_nvme_send_cmd)
3432
3433    # Notifications
3434    def notify_get_types(args):
3435        print_dict(rpc.notify.notify_get_types(args.client))
3436
3437    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3438    p.set_defaults(func=notify_get_types)
3439
3440    def notify_get_notifications(args):
3441        ret = rpc.notify.notify_get_notifications(args.client,
3442                                                  id=args.id,
3443                                                  max=args.max)
3444        print_dict(ret)
3445
3446    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3447    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3448    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3449    p.set_defaults(func=notify_get_notifications)
3450
3451    def thread_get_stats(args):
3452        print_dict(rpc.app.thread_get_stats(args.client))
3453
3454    p = subparsers.add_parser(
3455        'thread_get_stats', help='Display current statistics of all the threads')
3456    p.set_defaults(func=thread_get_stats)
3457
3458    def thread_set_cpumask(args):
3459        ret = rpc.app.thread_set_cpumask(args.client,
3460                                         id=args.id,
3461                                         cpumask=args.cpumask)
3462    p = subparsers.add_parser('thread_set_cpumask',
3463                              help="""set the cpumask of the thread whose ID matches to the
3464    specified value. The thread may be migrated to one of the specified CPUs.""")
3465    p.add_argument('-i', '--id', type=int, help='thread ID')
3466    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3467    p.set_defaults(func=thread_set_cpumask)
3468
3469    def log_enable_timestamps(args):
3470        ret = rpc.app.log_enable_timestamps(args.client,
3471                                            enabled=args.enabled)
3472    p = subparsers.add_parser('log_enable_timestamps',
3473                              help='Enable or disable timestamps.')
3474    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3475    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3476    p.set_defaults(func=log_enable_timestamps)
3477
3478    def thread_get_pollers(args):
3479        print_dict(rpc.app.thread_get_pollers(args.client))
3480
3481    p = subparsers.add_parser(
3482        'thread_get_pollers', help='Display current pollers of all the threads')
3483    p.set_defaults(func=thread_get_pollers)
3484
3485    def thread_get_io_channels(args):
3486        print_dict(rpc.app.thread_get_io_channels(args.client))
3487
3488    p = subparsers.add_parser(
3489        'thread_get_io_channels', help='Display current IO channels of all the threads')
3490    p.set_defaults(func=thread_get_io_channels)
3491
3492    def env_dpdk_get_mem_stats(args):
3493        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3494
3495    p = subparsers.add_parser(
3496        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3497    p.set_defaults(func=env_dpdk_get_mem_stats)
3498
3499    # blobfs
3500    def blobfs_detect(args):
3501        print(rpc.blobfs.blobfs_detect(args.client,
3502                                       bdev_name=args.bdev_name))
3503
3504    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3505    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3506    p.set_defaults(func=blobfs_detect)
3507
3508    def blobfs_create(args):
3509        print(rpc.blobfs.blobfs_create(args.client,
3510                                       bdev_name=args.bdev_name,
3511                                       cluster_sz=args.cluster_sz))
3512
3513    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3514    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3515    p.add_argument('-c', '--cluster-sz',
3516                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3517    p.set_defaults(func=blobfs_create)
3518
3519    def blobfs_mount(args):
3520        print(rpc.blobfs.blobfs_mount(args.client,
3521                                      bdev_name=args.bdev_name,
3522                                      mountpoint=args.mountpoint))
3523
3524    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3525    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3526    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3527    p.set_defaults(func=blobfs_mount)
3528
3529    def blobfs_set_cache_size(args):
3530        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3531                                               size_in_mb=args.size_in_mb))
3532
3533    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3534    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3535    p.set_defaults(func=blobfs_set_cache_size)
3536
3537    # sock
3538    def sock_impl_get_options(args):
3539        print_json(rpc.sock.sock_impl_get_options(args.client,
3540                                                  impl_name=args.impl))
3541
3542    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3543    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3544    p.set_defaults(func=sock_impl_get_options)
3545
3546    def sock_impl_set_options(args):
3547        rpc.sock.sock_impl_set_options(args.client,
3548                                       impl_name=args.impl,
3549                                       recv_buf_size=args.recv_buf_size,
3550                                       send_buf_size=args.send_buf_size,
3551                                       enable_recv_pipe=args.enable_recv_pipe,
3552                                       enable_quickack=args.enable_quickack,
3553                                       enable_placement_id=args.enable_placement_id,
3554                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3555                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3556                                       zerocopy_threshold=args.zerocopy_threshold,
3557                                       tls_version=args.tls_version,
3558                                       enable_ktls=args.enable_ktls)
3559
3560    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3561    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3562    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3563    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3564    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3565    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3566                   action='store_true', dest='enable_recv_pipe')
3567    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3568                   action='store_false', dest='enable_recv_pipe')
3569    p.add_argument('--enable-quickack', help='Enable quick ACK',
3570                   action='store_true', dest='enable_quickack')
3571    p.add_argument('--disable-quickack', help='Disable quick ACK',
3572                   action='store_false', dest='enable_quickack')
3573    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3574                   action='store_true', dest='enable_zerocopy_send_server')
3575    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3576                   action='store_false', dest='enable_zerocopy_send_server')
3577    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3578                   action='store_true', dest='enable_zerocopy_send_client')
3579    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3580                   action='store_false', dest='enable_zerocopy_send_client')
3581    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3582    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3583    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3584                   action='store_true', dest='enable_ktls')
3585    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3586                   action='store_false', dest='enable_ktls')
3587    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3588                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3589                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3590
3591    def sock_set_default_impl(args):
3592        print_json(rpc.sock.sock_set_default_impl(args.client,
3593                                                  impl_name=args.impl))
3594
3595    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3596    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3597    p.set_defaults(func=sock_set_default_impl)
3598
3599    def sock_get_default_impl(args):
3600        print_json(rpc.sock.sock_get_default_impl(args.client))
3601
3602    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3603    p.set_defaults(func=sock_get_default_impl)
3604
3605    def framework_get_pci_devices(args):
3606        def splitbuf(buf, step):
3607            return [buf[i:i+step] for i in range(0, len(buf), step)]
3608
3609        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3610        if not args.format_lspci:
3611            print_json(devices)
3612        else:
3613            for devid, dev in enumerate(devices):
3614                print('{} device #{}'.format(dev['address'], devid))
3615                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3616                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3617                print()
3618
3619    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3620    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3621                   action='store_true')
3622    p.set_defaults(func=framework_get_pci_devices)
3623
3624    # bdev_nvme_add_error_injection
3625    def bdev_nvme_add_error_injection(args):
3626        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3627                                                          name=args.nvme_name,
3628                                                          cmd_type=args.cmd_type,
3629                                                          opc=args.opc,
3630                                                          do_not_submit=args.do_not_submit,
3631                                                          timeout_in_us=args.timeout_in_us,
3632                                                          err_count=args.err_count,
3633                                                          sct=args.sct,
3634                                                          sc=args.sc))
3635    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3636                              help='Add a NVMe command error injection.')
3637    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3638    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3639    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3640    p.add_argument('-s', '--do-not-submit',
3641                   help="""Set to true if request should not be submitted to the controller""",
3642                   dest="do_not_submit", action='store_true')
3643    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3644    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3645    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3646    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3647    p.set_defaults(func=bdev_nvme_add_error_injection)
3648
3649    # bdev_nvme_remove_error_injection
3650    def bdev_nvme_remove_error_injection(args):
3651        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3652                                                             name=args.nvme_name,
3653                                                             cmd_type=args.cmd_type,
3654                                                             opc=args.opc))
3655    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3656                              help='Removes a NVMe command error injection.')
3657    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3658    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3659    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3660    p.set_defaults(func=bdev_nvme_remove_error_injection)
3661
3662    def bdev_daos_create(args):
3663        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3664        print_json(rpc.bdev.bdev_daos_create(args.client,
3665                                             num_blocks=int(num_blocks),
3666                                             block_size=args.block_size,
3667                                             name=args.name,
3668                                             uuid=args.uuid,
3669                                             pool=args.pool,
3670                                             cont=args.cont,
3671                                             oclass=args.oclass))
3672    p = subparsers.add_parser('bdev_daos_create',
3673                              help='Create a bdev with DAOS backend')
3674    p.add_argument('name', help="Name of the bdev")
3675    p.add_argument('pool', help="UUID of the DAOS pool")
3676    p.add_argument('cont', help="UUID of the DAOS container")
3677    p.add_argument(
3678        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3679    p.add_argument('block_size', help='Block size for this bdev', type=int)
3680    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3681    p.add_argument('-o', '--oclass', help="DAOS object class")
3682    p.set_defaults(func=bdev_daos_create)
3683
3684    def bdev_daos_delete(args):
3685        rpc.bdev.bdev_daos_delete(args.client,
3686                                  name=args.name)
3687
3688    p = subparsers.add_parser('bdev_daos_delete',
3689                              help='Delete a DAOS disk')
3690    p.add_argument('name', help='DAOS bdev name')
3691    p.set_defaults(func=bdev_daos_delete)
3692
3693    def bdev_daos_resize(args):
3694        print_json(rpc.bdev.bdev_daos_resize(args.client,
3695                                             name=args.name,
3696                                             new_size=int(args.new_size)))
3697
3698    p = subparsers.add_parser('bdev_daos_resize',
3699                              help='Resize a DAOS bdev')
3700    p.add_argument('name', help='DAOS bdev name')
3701    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3702    p.set_defaults(func=bdev_daos_resize)
3703
3704    def iobuf_set_options(args):
3705        rpc.iobuf.iobuf_set_options(args.client,
3706                                    small_pool_count=args.small_pool_count,
3707                                    large_pool_count=args.large_pool_count,
3708                                    small_bufsize=args.small_bufsize,
3709                                    large_bufsize=args.large_bufsize)
3710    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3711    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3712    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3713    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3714    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3715    p.set_defaults(func=iobuf_set_options)
3716
3717    def iobuf_get_stats(args):
3718        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3719
3720    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3721    p.set_defaults(func=iobuf_get_stats)
3722
3723    def bdev_nvme_start_mdns_discovery(args):
3724        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3725                                                name=args.name,
3726                                                svcname=args.svcname,
3727                                                hostnqn=args.hostnqn)
3728
3729    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3730    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3731    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3732    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3733    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3734
3735    def bdev_nvme_stop_mdns_discovery(args):
3736        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3737
3738    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3739    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3740    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3741
3742    def bdev_nvme_get_mdns_discovery_info(args):
3743        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3744
3745    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3746    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3747
3748    def keyring_file_add_key(args):
3749        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3750
3751    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3752    p.add_argument('name', help='Name of the key to add')
3753    p.add_argument('path', help='Path of the file containing the key')
3754    p.set_defaults(func=keyring_file_add_key)
3755
3756    def keyring_file_remove_key(args):
3757        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3758
3759    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3760    p.add_argument('name', help='Name of the key to remove')
3761    p.set_defaults(func=keyring_file_remove_key)
3762
3763    def keyring_get_keys(args):
3764        print_dict(rpc.keyring.keyring_get_keys(args.client))
3765
3766    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3767    p.set_defaults(func=keyring_get_keys)
3768
3769    def keyring_linux_set_options(args):
3770        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3771
3772    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3773    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3774    p.set_defaults(func=keyring_linux_set_options)
3775
3776    def check_called_name(name):
3777        if name in deprecated_aliases:
3778            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3779
3780    class dry_run_client:
3781        def call(self, method, params=None):
3782            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3783
3784    def null_print(arg):
3785        pass
3786
3787    def call_rpc_func(args):
3788        args.func(args)
3789        check_called_name(args.called_rpc_name)
3790
3791    def execute_script(parser, client, timeout, fd):
3792        executed_rpc = ""
3793        for rpc_call in map(str.rstrip, fd):
3794            if not rpc_call.strip():
3795                continue
3796            executed_rpc = "\n".join([executed_rpc, rpc_call])
3797            rpc_args = shlex.split(rpc_call)
3798            if rpc_args[0][0] == '#':
3799                # Ignore lines starting with # - treat them as comments
3800                continue
3801            args = parser.parse_args(rpc_args)
3802            args.client = client
3803            args.timeout = timeout
3804            try:
3805                call_rpc_func(args)
3806            except JSONRPCException as ex:
3807                print("Exception:")
3808                print(executed_rpc.strip() + " <<<")
3809                print(ex.message)
3810                exit(1)
3811
3812    def load_plugin(args):
3813        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3814        plugin_parser = argparse.ArgumentParser(add_help=False)
3815        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3816
3817        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3818        if args is not None:
3819            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3820
3821        if rpc_module in plugins:
3822            return
3823
3824        if rpc_module is not None:
3825            try:
3826                rpc_plugin = importlib.import_module(rpc_module)
3827                try:
3828                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3829                    plugins.append(rpc_module)
3830                except AttributeError:
3831                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3832            except ModuleNotFoundError:
3833                print("Module %s not found" % rpc_module)
3834
3835    def replace_arg_underscores(args):
3836        # All option names are defined with dashes only - for example: --tgt-name
3837        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3838        # SPDK was inconsistent previously and had some options with underscores, so
3839        # doing this conversion ensures backward compatibility with older scripts.
3840        for i in range(len(args)):
3841            arg = args[i]
3842            if arg.startswith('--') and "_" in arg:
3843                opt, *vals = arg.split('=')
3844                args[i] = '='.join([opt.replace('_', '-'), *vals])
3845
3846    plugins = []
3847    load_plugin(None)
3848
3849    replace_arg_underscores(sys.argv)
3850
3851    args = parser.parse_args()
3852
3853    try:
3854        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3855    except ValueError:
3856        use_go_client = False
3857
3858    if sys.stdin.isatty() and not hasattr(args, 'func'):
3859        # No arguments and no data piped through stdin
3860        parser.print_help()
3861        exit(1)
3862    if args.is_server:
3863        for input in sys.stdin:
3864            cmd = shlex.split(input)
3865            replace_arg_underscores(cmd)
3866            try:
3867                load_plugin(cmd)
3868                tmp_args = parser.parse_args(cmd)
3869            except SystemExit as ex:
3870                print("**STATUS=1", flush=True)
3871                continue
3872
3873            try:
3874                if use_go_client:
3875                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3876                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3877                else:
3878                    tmp_args.client = rpc.client.JSONRPCClient(
3879                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3880                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3881                call_rpc_func(tmp_args)
3882                print("**STATUS=0", flush=True)
3883            except JSONRPCException as ex:
3884                print(ex.message)
3885                print("**STATUS=1", flush=True)
3886        exit(0)
3887    elif args.dry_run:
3888        args.client = dry_run_client()
3889        print_dict = null_print
3890        print_json = null_print
3891        print_array = null_print
3892    elif args.go_client or use_go_client:
3893        try:
3894            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3895                                                     log_level=getattr(logging, args.verbose.upper()))
3896        except JSONRPCException as ex:
3897            print(ex.message)
3898            exit(1)
3899    else:
3900        try:
3901            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3902                                                   log_level=getattr(logging, args.verbose.upper()),
3903                                                   conn_retries=args.conn_retries)
3904        except JSONRPCException as ex:
3905            print(ex.message)
3906            exit(1)
3907
3908    if hasattr(args, 'func'):
3909        try:
3910            call_rpc_func(args)
3911        except JSONRPCException as ex:
3912            print(ex.message)
3913            exit(1)
3914    else:
3915        execute_script(parser, args.client, args.timeout, sys.stdin)
3916