xref: /spdk/scripts/rpc.py (revision a07059e2d187157a4b0d7789e0e82ecfe9eb85d9)
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_disable_cpumask_locks(args):
191        rpc.framework_disable_cpumask_locks(args.client)
192
193    p = subparsers.add_parser('framework_disable_cpumask_locks',
194                              help='Disable CPU core lock files.')
195    p.set_defaults(func=framework_disable_cpumask_locks)
196
197    def framework_enable_cpumask_locks(args):
198        rpc.framework_enable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_enable_cpumask_locks',
201                              help='Enable CPU core lock files.')
202    p.set_defaults(func=framework_enable_cpumask_locks)
203
204    # bdev
205    def bdev_set_options(args):
206        rpc.bdev.bdev_set_options(args.client,
207                                  bdev_io_pool_size=args.bdev_io_pool_size,
208                                  bdev_io_cache_size=args.bdev_io_cache_size,
209                                  bdev_auto_examine=args.bdev_auto_examine,
210                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
211                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
212
213    p = subparsers.add_parser('bdev_set_options',
214                              help="""Set options of bdev subsystem""")
215    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
216    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
217    group = p.add_mutually_exclusive_group()
218    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
219    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
220    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
221    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
222    p.set_defaults(bdev_auto_examine=True)
223    p.set_defaults(func=bdev_set_options)
224
225    def bdev_examine(args):
226        rpc.bdev.bdev_examine(args.client,
227                              name=args.name)
228
229    p = subparsers.add_parser('bdev_examine',
230                              help="""examine a bdev if it exists, or will examine it after it is created""")
231    p.add_argument('-b', '--name', help='Name or alias of the bdev')
232    p.set_defaults(func=bdev_examine)
233
234    def bdev_wait_for_examine(args):
235        rpc.bdev.bdev_wait_for_examine(args.client)
236
237    p = subparsers.add_parser('bdev_wait_for_examine',
238                              help="""Report when all bdevs have been examined""")
239    p.set_defaults(func=bdev_wait_for_examine)
240
241    def bdev_compress_create(args):
242        print_json(rpc.bdev.bdev_compress_create(args.client,
243                                                 base_bdev_name=args.base_bdev_name,
244                                                 pm_path=args.pm_path,
245                                                 lb_size=args.lb_size))
246
247    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
248    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
249    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
250    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
251    p.set_defaults(func=bdev_compress_create)
252
253    def bdev_compress_delete(args):
254        rpc.bdev.bdev_compress_delete(args.client,
255                                      name=args.name)
256
257    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
258    p.add_argument('name', help='compress bdev name')
259    p.set_defaults(func=bdev_compress_delete)
260
261    def bdev_compress_get_orphans(args):
262        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
263                                                      name=args.name))
264    p = subparsers.add_parser(
265        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
266    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
267    p.set_defaults(func=bdev_compress_get_orphans)
268
269    def bdev_crypto_create(args):
270        print_json(rpc.bdev.bdev_crypto_create(args.client,
271                                               base_bdev_name=args.base_bdev_name,
272                                               name=args.name,
273                                               crypto_pmd=args.crypto_pmd,
274                                               key=args.key,
275                                               cipher=args.cipher,
276                                               key2=args.key2,
277                                               key_name=args.key_name))
278    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
279    p.add_argument('base_bdev_name', help="Name of the base bdev")
280    p.add_argument('name', help="Name of the crypto vbdev")
281    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
282    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
283    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
284    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
285    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
286    p.set_defaults(func=bdev_crypto_create)
287
288    def bdev_crypto_delete(args):
289        rpc.bdev.bdev_crypto_delete(args.client,
290                                    name=args.name)
291
292    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
293    p.add_argument('name', help='crypto bdev name')
294    p.set_defaults(func=bdev_crypto_delete)
295
296    def bdev_ocf_create(args):
297        print_json(rpc.bdev.bdev_ocf_create(args.client,
298                                            name=args.name,
299                                            mode=args.mode,
300                                            cache_line_size=args.cache_line_size,
301                                            cache_bdev_name=args.cache_bdev_name,
302                                            core_bdev_name=args.core_bdev_name))
303    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
304    p.add_argument('name', help='Name of resulting OCF bdev')
305    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
306    p.add_argument(
307        '--cache-line-size',
308        help='OCF cache line size. The unit is KiB',
309        type=int,
310        choices=[4, 8, 16, 32, 64]
311    )
312    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
313    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
314    p.set_defaults(func=bdev_ocf_create)
315
316    def bdev_ocf_delete(args):
317        rpc.bdev.bdev_ocf_delete(args.client,
318                                 name=args.name)
319
320    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
321    p.add_argument('name', help='Name of OCF bdev')
322    p.set_defaults(func=bdev_ocf_delete)
323
324    def bdev_ocf_get_stats(args):
325        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
326                                               name=args.name))
327    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_get_stats)
330
331    def bdev_ocf_reset_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
333                                                 name=args.name))
334    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_reset_stats)
337
338    def bdev_ocf_get_bdevs(args):
339        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
340                                               name=args.name))
341    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
342    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
343    p.set_defaults(func=bdev_ocf_get_bdevs)
344
345    def bdev_ocf_set_cache_mode(args):
346        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
347                                                    name=args.name,
348                                                    mode=args.mode))
349    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
350                              help='Set cache mode of OCF block device')
351    p.add_argument('name', help='Name of OCF bdev')
352    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
353    p.set_defaults(func=bdev_ocf_set_cache_mode)
354
355    def bdev_ocf_set_seqcutoff(args):
356        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
357                                        name=args.name,
358                                        policy=args.policy,
359                                        threshold=args.threshold,
360                                        promotion_count=args.promotion_count)
361    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
362                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
363    p.add_argument('name', help='Name of OCF cache bdev')
364    p.add_argument('-t', '--threshold', type=int,
365                   help='Activation threshold [KiB]')
366    p.add_argument('-c', '--promotion-count', type=int,
367                   help='Promotion request count')
368    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
369                   help='Sequential cutoff policy')
370    p.set_defaults(func=bdev_ocf_set_seqcutoff)
371
372    def bdev_ocf_flush_start(args):
373        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
374    p = subparsers.add_parser('bdev_ocf_flush_start',
375                              help='Start flushing OCF cache device')
376    p.add_argument('name', help='Name of OCF bdev')
377    p.set_defaults(func=bdev_ocf_flush_start)
378
379    def bdev_ocf_flush_status(args):
380        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
381    p = subparsers.add_parser('bdev_ocf_flush_status',
382                              help='Get flush status of OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_status)
385
386    def bdev_malloc_create(args):
387        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
388        print_json(rpc.bdev.bdev_malloc_create(args.client,
389                                               num_blocks=int(num_blocks),
390                                               block_size=args.block_size,
391                                               physical_block_size=args.physical_block_size,
392                                               name=args.name,
393                                               uuid=args.uuid,
394                                               optimal_io_boundary=args.optimal_io_boundary,
395                                               md_size=args.md_size,
396                                               md_interleave=args.md_interleave,
397                                               dif_type=args.dif_type,
398                                               dif_is_head_of_md=args.dif_is_head_of_md))
399    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
400    p.add_argument('-b', '--name', help="Name of the bdev")
401    p.add_argument('-u', '--uuid', help="UUID of the bdev")
402    p.add_argument(
403        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
404    p.add_argument('block_size', help='Data block size for this bdev', type=int)
405    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
406    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
407    blocks, default 0 (disabled)""", type=int)
408    p.add_argument('-m', '--md-size', type=int,
409                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
410    p.add_argument('-i', '--md-interleave', action='store_true',
411                   help='Metadata location, interleaved if set, and separated if omitted.')
412    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
413                   help='Protection information type. Parameter --md-size needs'
414                        'to be set along --dif-type. Default=0 - no protection.')
415    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
416                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
417    p.set_defaults(func=bdev_malloc_create)
418
419    def bdev_malloc_delete(args):
420        rpc.bdev.bdev_malloc_delete(args.client,
421                                    name=args.name)
422
423    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
424    p.add_argument('name', help='malloc bdev name')
425    p.set_defaults(func=bdev_malloc_delete)
426
427    def bdev_null_create(args):
428        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
429        if args.dif_type and not args.md_size:
430            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
431            exit(1)
432        print_json(rpc.bdev.bdev_null_create(args.client,
433                                             num_blocks=num_blocks,
434                                             block_size=args.block_size,
435                                             physical_block_size=args.physical_block_size,
436                                             name=args.name,
437                                             uuid=args.uuid,
438                                             md_size=args.md_size,
439                                             dif_type=args.dif_type,
440                                             dif_is_head_of_md=args.dif_is_head_of_md))
441
442    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
443    p.add_argument('name', help='Block device name')
444    p.add_argument('-u', '--uuid', help='UUID of the bdev')
445    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
446    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
447    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
448    p.add_argument('-m', '--md-size', type=int,
449                   help='Metadata size for this bdev. Default=0.')
450    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
451                   help='Protection information type. Parameter --md-size needs'
452                        'to be set along --dif-type. Default=0 - no protection.')
453    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
454                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
455    p.set_defaults(func=bdev_null_create)
456
457    def bdev_null_delete(args):
458        rpc.bdev.bdev_null_delete(args.client,
459                                  name=args.name)
460
461    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
462    p.add_argument('name', help='null bdev name')
463    p.set_defaults(func=bdev_null_delete)
464
465    def bdev_null_resize(args):
466        print_json(rpc.bdev.bdev_null_resize(args.client,
467                                             name=args.name,
468                                             new_size=int(args.new_size)))
469
470    p = subparsers.add_parser('bdev_null_resize',
471                              help='Resize a null bdev')
472    p.add_argument('name', help='null bdev name')
473    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
474    p.set_defaults(func=bdev_null_resize)
475
476    def bdev_aio_create(args):
477        print_json(rpc.bdev.bdev_aio_create(args.client,
478                                            filename=args.filename,
479                                            name=args.name,
480                                            block_size=args.block_size,
481                                            readonly=args.readonly,
482                                            fallocate=args.fallocate))
483
484    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
485    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
486    p.add_argument('name', help='Block device name')
487    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
488    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
489    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
490    p.set_defaults(func=bdev_aio_create)
491
492    def bdev_aio_rescan(args):
493        print_json(rpc.bdev.bdev_aio_rescan(args.client,
494                                            name=args.name))
495
496    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
497    p.add_argument('name', help='Block device name')
498    p.set_defaults(func=bdev_aio_rescan)
499
500    def bdev_aio_delete(args):
501        rpc.bdev.bdev_aio_delete(args.client,
502                                 name=args.name)
503
504    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
505    p.add_argument('name', help='aio bdev name')
506    p.set_defaults(func=bdev_aio_delete)
507
508    def bdev_uring_create(args):
509        print_json(rpc.bdev.bdev_uring_create(args.client,
510                                              filename=args.filename,
511                                              name=args.name,
512                                              block_size=args.block_size,
513                                              uuid=args.uuid))
514
515    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
516    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
517    p.add_argument('name', help='bdev name')
518    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
519    p.add_argument('-u', '--uuid', help="UUID of the bdev")
520    p.set_defaults(func=bdev_uring_create)
521
522    def bdev_uring_rescan(args):
523        print_json(rpc.bdev.bdev_uring_rescan(args.client,
524                                              name=args.name))
525
526    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
527    p.add_argument('name', help='Block device name')
528    p.set_defaults(func=bdev_uring_rescan)
529
530    def bdev_uring_delete(args):
531        rpc.bdev.bdev_uring_delete(args.client,
532                                   name=args.name)
533
534    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
535    p.add_argument('name', help='uring bdev name')
536    p.set_defaults(func=bdev_uring_delete)
537
538    def bdev_xnvme_create(args):
539        print_json(rpc.bdev.bdev_xnvme_create(args.client,
540                                              filename=args.filename,
541                                              name=args.name,
542                                              io_mechanism=args.io_mechanism))
543
544    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
545    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
546    p.add_argument('name', help='name of xNVMe bdev to create')
547    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
548    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
549    p.set_defaults(func=bdev_xnvme_create)
550
551    def bdev_xnvme_delete(args):
552        rpc.bdev.bdev_xnvme_delete(args.client,
553                                   name=args.name)
554
555    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
556    p.add_argument('name', help='xNVMe bdev name')
557    p.set_defaults(func=bdev_xnvme_delete)
558
559    def bdev_nvme_set_options(args):
560        rpc.bdev.bdev_nvme_set_options(args.client,
561                                       action_on_timeout=args.action_on_timeout,
562                                       timeout_us=args.timeout_us,
563                                       timeout_admin_us=args.timeout_admin_us,
564                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
565                                       retry_count=args.retry_count,
566                                       arbitration_burst=args.arbitration_burst,
567                                       low_priority_weight=args.low_priority_weight,
568                                       medium_priority_weight=args.medium_priority_weight,
569                                       high_priority_weight=args.high_priority_weight,
570                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
571                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
572                                       io_queue_requests=args.io_queue_requests,
573                                       delay_cmd_submit=args.delay_cmd_submit,
574                                       transport_retry_count=args.transport_retry_count,
575                                       bdev_retry_count=args.bdev_retry_count,
576                                       transport_ack_timeout=args.transport_ack_timeout,
577                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
578                                       reconnect_delay_sec=args.reconnect_delay_sec,
579                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
580                                       disable_auto_failback=args.disable_auto_failback,
581                                       generate_uuids=args.generate_uuids,
582                                       transport_tos=args.transport_tos,
583                                       nvme_error_stat=args.nvme_error_stat,
584                                       rdma_srq_size=args.rdma_srq_size,
585                                       io_path_stat=args.io_path_stat,
586                                       allow_accel_sequence=args.allow_accel_sequence,
587                                       rdma_max_cq_size=args.rdma_max_cq_size,
588                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
589                                       dhchap_digests=args.dhchap_digests,
590                                       dhchap_dhgroups=args.dhchap_dhgroups)
591
592    p = subparsers.add_parser('bdev_nvme_set_options',
593                              help='Set options for the bdev nvme type. This is startup command.')
594    p.add_argument('-a', '--action-on-timeout',
595                   help="Action to take on command time out. Valid values are: none, reset, abort")
596    p.add_argument('-t', '--timeout-us',
597                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
598    p.add_argument('--timeout-admin-us',
599                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
600    p.add_argument('-k', '--keep-alive-timeout-ms',
601                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
602    p.add_argument('-n', '--retry-count',
603                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
604    p.add_argument('--arbitration-burst',
605                   help='the value is expressed as a power of two', type=int)
606    p.add_argument('--low-priority-weight',
607                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
608    p.add_argument('--medium-priority-weight',
609                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
610    p.add_argument('--high-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
612    p.add_argument('-p', '--nvme-adminq-poll-period-us',
613                   help='How often the admin queue is polled for asynchronous events', type=int)
614    p.add_argument('-i', '--nvme-ioq-poll-period-us',
615                   help='How often to poll I/O queues for completions', type=int)
616    p.add_argument('-s', '--io-queue-requests',
617                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
618    p.add_argument('-d', '--disable-delay-cmd-submit',
619                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
620                   action='store_false', dest='delay_cmd_submit')
621    p.add_argument('-c', '--transport-retry-count',
622                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
623    p.add_argument('-r', '--bdev-retry-count',
624                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
625    p.add_argument('-e', '--transport-ack-timeout',
626                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
627                   Range 0-31 where 0 is driver-specific default value.""", type=int)
628    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
629                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
630                   -1 means infinite reconnect retries. 0 means no reconnect retry.
631                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
632                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
633                   reconnect_delay_sec.
634                   This can be overridden by bdev_nvme_attach_controller.""",
635                   type=int)
636    p.add_argument('-o', '--reconnect-delay-sec',
637                   help="""Time to delay a reconnect retry.
638                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
639                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
640                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
641                   less than ctrlr_loss_timeout_sec.
642                   This can be overridden by bdev_nvme_attach_controller.""",
643                   type=int)
644    p.add_argument('-u', '--fast-io-fail-timeout-sec',
645                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
646                   0 means no such timeout.
647                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
648                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
649                   This can be overridden by bdev_nvme_attach_controller.""",
650                   type=int)
651    p.add_argument('-f', '--disable-auto-failback',
652                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
653                   By default, immediately failback to the preferred I/O path if it restored.""",
654                   action='store_true')
655    p.add_argument('--generate-uuids',
656                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
657                   not provide UUID themselves. These strings are based on device serial number and
658                   namespace ID and will always be the same for that device.""", action='store_true')
659    p.add_argument('--transport-tos',
660                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
661                   The default is 0 which means no TOS is applied.""", type=int)
662    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
663    p.add_argument('-q', '--rdma-srq-size',
664                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
665    p.add_argument('--io-path-stat',
666                   help="""Enable collecting I/O path stat of each io path.""",
667                   action='store_true')
668    p.add_argument('--allow-accel-sequence',
669                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
670                   controller also supports them.''', action='store_true')
671    p.add_argument('--rdma-max-cq-size',
672                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
673    p.add_argument('--rdma-cm-event-timeout-ms',
674                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
675    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
676                   type=lambda d: d.split(','))
677    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
678                   type=lambda d: d.split(','))
679
680    p.set_defaults(func=bdev_nvme_set_options)
681
682    def bdev_nvme_set_hotplug(args):
683        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
684
685    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
686    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
687    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
688    p.add_argument('-r', '--period-us',
689                   help='How often the hotplug is processed for insert and remove events', type=int)
690    p.set_defaults(func=bdev_nvme_set_hotplug)
691
692    def bdev_nvme_attach_controller(args):
693        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
694                                                         name=args.name,
695                                                         trtype=args.trtype,
696                                                         traddr=args.traddr,
697                                                         adrfam=args.adrfam,
698                                                         trsvcid=args.trsvcid,
699                                                         priority=args.priority,
700                                                         subnqn=args.subnqn,
701                                                         hostnqn=args.hostnqn,
702                                                         hostaddr=args.hostaddr,
703                                                         hostsvcid=args.hostsvcid,
704                                                         prchk_reftag=args.prchk_reftag,
705                                                         prchk_guard=args.prchk_guard,
706                                                         hdgst=args.hdgst,
707                                                         ddgst=args.ddgst,
708                                                         fabrics_timeout=args.fabrics_timeout,
709                                                         multipath=args.multipath,
710                                                         num_io_queues=args.num_io_queues,
711                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
712                                                         reconnect_delay_sec=args.reconnect_delay_sec,
713                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
714                                                         psk=args.psk,
715                                                         max_bdevs=args.max_bdevs,
716                                                         dhchap_key=args.dhchap_key))
717
718    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
719    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
720    p.add_argument('-t', '--trtype',
721                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
722    p.add_argument('-a', '--traddr',
723                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
724    p.add_argument('-f', '--adrfam',
725                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
726    p.add_argument('-s', '--trsvcid',
727                   help='NVMe-oF target trsvcid: e.g., a port number')
728    p.add_argument('-p', '--priority',
729                   help='NVMe-oF connection priority: e.g., a priority number')
730    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
731    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
732    p.add_argument('-i', '--hostaddr',
733                   help='NVMe-oF host address: e.g., an ip address')
734    p.add_argument('-c', '--hostsvcid',
735                   help='NVMe-oF host svcid: e.g., a port number')
736    p.add_argument('-r', '--prchk-reftag',
737                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
738    p.add_argument('-g', '--prchk-guard',
739                   help='Enable checking of PI guard for I/O processing.', action='store_true')
740    p.add_argument('-e', '--hdgst',
741                   help='Enable TCP header digest.', action='store_true')
742    p.add_argument('-d', '--ddgst',
743                   help='Enable TCP data digest.', action='store_true')
744    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
745    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
746    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
747    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
748                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
749                   -1 means infinite reconnect retries. 0 means no reconnect retry.
750                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
751                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
752                   reconnect_delay_sec.""",
753                   type=int)
754    p.add_argument('-o', '--reconnect-delay-sec',
755                   help="""Time to delay a reconnect retry.
756                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
757                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
758                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
759                   less than ctrlr_loss_timeout_sec.""",
760                   type=int)
761    p.add_argument('-u', '--fast-io-fail-timeout-sec',
762                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
763                   0 means no such timeout.
764                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
765                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
766                   type=int)
767    p.add_argument('-k', '--psk',
768                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
769                   name of a key attached to the keyring or a path to a file containig the key.  The
770                   latter method is deprecated.""")
771    p.add_argument('-m', '--max-bdevs', type=int,
772                   help='The size of the name array for newly created bdevs. Default is 128',)
773    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
774
775    p.set_defaults(func=bdev_nvme_attach_controller)
776
777    def bdev_nvme_get_controllers(args):
778        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
779                                                      name=args.name))
780
781    p = subparsers.add_parser(
782        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
783    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
784    p.set_defaults(func=bdev_nvme_get_controllers)
785
786    def bdev_nvme_detach_controller(args):
787        rpc.bdev.bdev_nvme_detach_controller(args.client,
788                                             name=args.name,
789                                             trtype=args.trtype,
790                                             traddr=args.traddr,
791                                             adrfam=args.adrfam,
792                                             trsvcid=args.trsvcid,
793                                             subnqn=args.subnqn,
794                                             hostaddr=args.hostaddr,
795                                             hostsvcid=args.hostsvcid)
796
797    p = subparsers.add_parser('bdev_nvme_detach_controller',
798                              help='Detach an NVMe controller and delete any associated bdevs')
799    p.add_argument('name', help="Name of the controller")
800    p.add_argument('-t', '--trtype',
801                   help='NVMe-oF target trtype: e.g., rdma, pcie')
802    p.add_argument('-a', '--traddr',
803                   help='NVMe-oF target address: e.g., an ip address or BDF')
804    p.add_argument('-f', '--adrfam',
805                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
806    p.add_argument('-s', '--trsvcid',
807                   help='NVMe-oF target trsvcid: e.g., a port number')
808    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
809    p.add_argument('-i', '--hostaddr',
810                   help='NVMe-oF host address: e.g., an ip address')
811    p.add_argument('-c', '--hostsvcid',
812                   help='NVMe-oF host svcid: e.g., a port number')
813    p.set_defaults(func=bdev_nvme_detach_controller)
814
815    def bdev_nvme_reset_controller(args):
816        rpc.bdev.bdev_nvme_reset_controller(args.client,
817                                            name=args.name,
818                                            cntlid=args.cntlid)
819
820    p = subparsers.add_parser('bdev_nvme_reset_controller',
821                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
822    p.add_argument('name', help="Name of the NVMe controller")
823    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
824    p.set_defaults(func=bdev_nvme_reset_controller)
825
826    def bdev_nvme_enable_controller(args):
827        rpc.bdev.bdev_nvme_enable_controller(args.client,
828                                             name=args.name,
829                                             cntlid=args.cntlid)
830
831    p = subparsers.add_parser('bdev_nvme_enable_controller',
832                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
833    p.add_argument('name', help="Name of the NVMe controller")
834    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
835    p.set_defaults(func=bdev_nvme_enable_controller)
836
837    def bdev_nvme_disable_controller(args):
838        rpc.bdev.bdev_nvme_disable_controller(args.client,
839                                              name=args.name,
840                                              cntlid=args.cntlid)
841
842    p = subparsers.add_parser('bdev_nvme_disable_controller',
843                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
844    p.add_argument('name', help="Name of the NVMe controller")
845    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
846    p.set_defaults(func=bdev_nvme_disable_controller)
847
848    def bdev_nvme_start_discovery(args):
849        rpc.bdev.bdev_nvme_start_discovery(args.client,
850                                           name=args.name,
851                                           trtype=args.trtype,
852                                           traddr=args.traddr,
853                                           adrfam=args.adrfam,
854                                           trsvcid=args.trsvcid,
855                                           hostnqn=args.hostnqn,
856                                           wait_for_attach=args.wait_for_attach,
857                                           attach_timeout_ms=args.attach_timeout_ms,
858                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
859                                           reconnect_delay_sec=args.reconnect_delay_sec,
860                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
861
862    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
863    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
864    p.add_argument('-t', '--trtype',
865                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
866    p.add_argument('-a', '--traddr',
867                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
868    p.add_argument('-f', '--adrfam',
869                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
870    p.add_argument('-s', '--trsvcid',
871                   help='NVMe-oF target trsvcid: e.g., a port number')
872    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
873    p.add_argument('-w', '--wait-for-attach', action='store_true',
874                   help='Do not complete RPC until all discovered NVM subsystems are attached')
875    p.add_argument('-T', '--attach-timeout-ms', type=int,
876                   help="""Time to wait until the discovery and all discovered NVM subsystems
877                        are attached (default: 0, meaning wait indefinitely).  Automatically
878                        selects the --wait-for-attach option.""")
879    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
880                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
881                   -1 means infinite reconnect retries. 0 means no reconnect retry.
882                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
883                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
884                   reconnect_delay_sec.""",
885                   type=int)
886    p.add_argument('-o', '--reconnect-delay-sec',
887                   help="""Time to delay a reconnect retry.
888                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
889                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
890                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
891                   less than ctrlr_loss_timeout_sec.""",
892                   type=int)
893    p.add_argument('-u', '--fast-io-fail-timeout-sec',
894                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
895                   0 means no such timeout.
896                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
897                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
898                   type=int)
899    p.set_defaults(func=bdev_nvme_start_discovery)
900
901    def bdev_nvme_stop_discovery(args):
902        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
903
904    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
905    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
906    p.set_defaults(func=bdev_nvme_stop_discovery)
907
908    def bdev_nvme_get_discovery_info(args):
909        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
910
911    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
912    p.set_defaults(func=bdev_nvme_get_discovery_info)
913
914    def bdev_nvme_get_io_paths(args):
915        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
916
917    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
918    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
919    p.set_defaults(func=bdev_nvme_get_io_paths)
920
921    def bdev_nvme_set_preferred_path(args):
922        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
923                                              name=args.name,
924                                              cntlid=args.cntlid)
925
926    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
927                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
928    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
929    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
930    p.set_defaults(func=bdev_nvme_set_preferred_path)
931
932    def bdev_nvme_set_multipath_policy(args):
933        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
934                                                name=args.name,
935                                                policy=args.policy,
936                                                selector=args.selector,
937                                                rr_min_io=args.rr_min_io)
938
939    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
940                              help="""Set multipath policy of the NVMe bdev""")
941    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
942    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
943    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
944    p.add_argument('-r', '--rr-min-io',
945                   help='Number of IO to route to a path before switching to another for round-robin',
946                   type=int)
947    p.set_defaults(func=bdev_nvme_set_multipath_policy)
948
949    def bdev_nvme_get_path_iostat(args):
950        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
951                                                      name=args.name))
952
953    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
954                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
955                              called when io_path_stat is true.""")
956    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
957    p.set_defaults(func=bdev_nvme_get_path_iostat)
958
959    def bdev_nvme_cuse_register(args):
960        rpc.bdev.bdev_nvme_cuse_register(args.client,
961                                         name=args.name)
962
963    p = subparsers.add_parser('bdev_nvme_cuse_register',
964                              help='Register CUSE devices on NVMe controller')
965    p.add_argument('-n', '--name',
966                   help='Name of the NVMe controller. Example: Nvme0', required=True)
967    p.set_defaults(func=bdev_nvme_cuse_register)
968
969    def bdev_nvme_cuse_unregister(args):
970        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
971                                           name=args.name)
972
973    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
974                              help='Unregister CUSE devices on NVMe controller')
975    p.add_argument('-n', '--name',
976                   help='Name of the NVMe controller. Example: Nvme0', required=True)
977    p.set_defaults(func=bdev_nvme_cuse_unregister)
978
979    def bdev_zone_block_create(args):
980        print_json(rpc.bdev.bdev_zone_block_create(args.client,
981                                                   name=args.name,
982                                                   base_bdev=args.base_bdev,
983                                                   zone_capacity=args.zone_capacity,
984                                                   optimal_open_zones=args.optimal_open_zones))
985
986    p = subparsers.add_parser('bdev_zone_block_create',
987                              help='Create virtual zone namespace device with block device backend')
988    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
989    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
990    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
991    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
992    p.set_defaults(func=bdev_zone_block_create)
993
994    def bdev_zone_block_delete(args):
995        rpc.bdev.bdev_zone_block_delete(args.client,
996                                        name=args.name)
997
998    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
999    p.add_argument('name', help='Virtual zone bdev name')
1000    p.set_defaults(func=bdev_zone_block_delete)
1001
1002    def bdev_rbd_register_cluster(args):
1003        config_param = None
1004        if args.config_param:
1005            config_param = {}
1006            for entry in args.config_param:
1007                parts = entry.split('=', 1)
1008                if len(parts) != 2:
1009                    raise Exception('--config %s not in key=value form' % entry)
1010                config_param[parts[0]] = parts[1]
1011        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1012                                                      name=args.name,
1013                                                      user_id=args.user,
1014                                                      config_param=config_param,
1015                                                      config_file=args.config_file,
1016                                                      key_file=args.key_file,
1017                                                      core_mask=args.core_mask))
1018
1019    p = subparsers.add_parser('bdev_rbd_register_cluster',
1020                              help='Add a Rados cluster with ceph rbd backend')
1021    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1022    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1023    p.add_argument('--config-param', action='append', metavar='key=value',
1024                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1025    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1026    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1027    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1028    p.set_defaults(func=bdev_rbd_register_cluster)
1029
1030    def bdev_rbd_unregister_cluster(args):
1031        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1032
1033    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1034                              help='Unregister a Rados cluster object')
1035    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1036    p.set_defaults(func=bdev_rbd_unregister_cluster)
1037
1038    def bdev_rbd_get_clusters_info(args):
1039        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1040
1041    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1042                              help='Display registered Rados Cluster names and related info')
1043    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1044    p.set_defaults(func=bdev_rbd_get_clusters_info)
1045
1046    def bdev_rbd_create(args):
1047        config = None
1048        if args.config:
1049            config = {}
1050            for entry in args.config:
1051                parts = entry.split('=', 1)
1052                if len(parts) != 2:
1053                    raise Exception('--config %s not in key=value form' % entry)
1054                config[parts[0]] = parts[1]
1055        print_json(rpc.bdev.bdev_rbd_create(args.client,
1056                                            name=args.name,
1057                                            user_id=args.user,
1058                                            config=config,
1059                                            pool_name=args.pool_name,
1060                                            rbd_name=args.rbd_name,
1061                                            block_size=args.block_size,
1062                                            cluster_name=args.cluster_name,
1063                                            uuid=args.uuid))
1064
1065    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1066    p.add_argument('-b', '--name', help="Name of the bdev")
1067    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1068    p.add_argument('--config', action='append', metavar='key=value',
1069                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1070    p.add_argument('pool_name', help='rbd pool name')
1071    p.add_argument('rbd_name', help='rbd image name')
1072    p.add_argument('block_size', help='rbd block size', type=int)
1073    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1074    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1075    p.set_defaults(func=bdev_rbd_create)
1076
1077    def bdev_rbd_delete(args):
1078        rpc.bdev.bdev_rbd_delete(args.client,
1079                                 name=args.name)
1080
1081    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1082    p.add_argument('name', help='rbd bdev name')
1083    p.set_defaults(func=bdev_rbd_delete)
1084
1085    def bdev_rbd_resize(args):
1086        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1087                                            name=args.name,
1088                                            new_size=int(args.new_size)))
1089
1090    p = subparsers.add_parser('bdev_rbd_resize',
1091                              help='Resize a rbd bdev')
1092    p.add_argument('name', help='rbd bdev name')
1093    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1094    p.set_defaults(func=bdev_rbd_resize)
1095
1096    def bdev_delay_create(args):
1097        print_json(rpc.bdev.bdev_delay_create(args.client,
1098                                              base_bdev_name=args.base_bdev_name,
1099                                              name=args.name,
1100                                              uuid=args.uuid,
1101                                              avg_read_latency=args.avg_read_latency,
1102                                              p99_read_latency=args.nine_nine_read_latency,
1103                                              avg_write_latency=args.avg_write_latency,
1104                                              p99_write_latency=args.nine_nine_write_latency))
1105
1106    p = subparsers.add_parser('bdev_delay_create',
1107                              help='Add a delay bdev on existing bdev')
1108    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1109    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1110    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1111    p.add_argument('-r', '--avg-read-latency',
1112                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1113    p.add_argument('-t', '--nine-nine-read-latency',
1114                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1115    p.add_argument('-w', '--avg-write-latency',
1116                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1117    p.add_argument('-n', '--nine-nine-write-latency',
1118                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1119    p.set_defaults(func=bdev_delay_create)
1120
1121    def bdev_delay_delete(args):
1122        rpc.bdev.bdev_delay_delete(args.client,
1123                                   name=args.name)
1124
1125    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1126    p.add_argument('name', help='delay bdev name')
1127    p.set_defaults(func=bdev_delay_delete)
1128
1129    def bdev_delay_update_latency(args):
1130        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1131                                                      delay_bdev_name=args.delay_bdev_name,
1132                                                      latency_type=args.latency_type,
1133                                                      latency_us=args.latency_us))
1134    p = subparsers.add_parser('bdev_delay_update_latency',
1135                              help='Update one of the latency values for a given delay bdev')
1136    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1137    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1138    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1139    p.set_defaults(func=bdev_delay_update_latency)
1140
1141    def bdev_error_create(args):
1142        print_json(rpc.bdev.bdev_error_create(args.client,
1143                                              base_name=args.base_name,
1144                                              uuid=args.uuid))
1145
1146    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1147    p.add_argument('base_name', help='base bdev name')
1148    p.add_argument('--uuid', help='UUID for this bdev')
1149    p.set_defaults(func=bdev_error_create)
1150
1151    def bdev_error_delete(args):
1152        rpc.bdev.bdev_error_delete(args.client,
1153                                   name=args.name)
1154
1155    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1156    p.add_argument('name', help='error bdev name')
1157    p.set_defaults(func=bdev_error_delete)
1158
1159    def bdev_iscsi_set_options(args):
1160        rpc.bdev.bdev_iscsi_set_options(args.client,
1161                                        timeout_sec=args.timeout_sec)
1162
1163    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1164    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1165    p.set_defaults(func=bdev_iscsi_set_options)
1166
1167    def bdev_iscsi_create(args):
1168        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1169                                              name=args.name,
1170                                              url=args.url,
1171                                              initiator_iqn=args.initiator_iqn))
1172
1173    p = subparsers.add_parser('bdev_iscsi_create',
1174                              help='Add bdev with iSCSI initiator backend')
1175    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1176    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1177    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1178    p.set_defaults(func=bdev_iscsi_create)
1179
1180    def bdev_iscsi_delete(args):
1181        rpc.bdev.bdev_iscsi_delete(args.client,
1182                                   name=args.name)
1183
1184    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1185    p.add_argument('name', help='iSCSI bdev name')
1186    p.set_defaults(func=bdev_iscsi_delete)
1187
1188    def bdev_passthru_create(args):
1189        print_json(rpc.bdev.bdev_passthru_create(args.client,
1190                                                 base_bdev_name=args.base_bdev_name,
1191                                                 name=args.name,
1192                                                 uuid=args.uuid))
1193
1194    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1195    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1196    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1197    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1198    p.set_defaults(func=bdev_passthru_create)
1199
1200    def bdev_passthru_delete(args):
1201        rpc.bdev.bdev_passthru_delete(args.client,
1202                                      name=args.name)
1203
1204    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1205    p.add_argument('name', help='pass through bdev name')
1206    p.set_defaults(func=bdev_passthru_delete)
1207
1208    def bdev_get_bdevs(args):
1209        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1210                                           name=args.name, timeout=args.timeout_ms))
1211
1212    p = subparsers.add_parser('bdev_get_bdevs',
1213                              help='Display current blockdev list or required blockdev')
1214    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1215    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1216    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1217    whether the bdev exists or not.""",
1218                   type=int)
1219    p.set_defaults(func=bdev_get_bdevs)
1220
1221    def bdev_get_iostat(args):
1222        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1223                                            name=args.name,
1224                                            per_channel=args.per_channel))
1225
1226    p = subparsers.add_parser('bdev_get_iostat',
1227                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1228    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1229    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1230                   action='store_true')
1231    p.set_defaults(func=bdev_get_iostat)
1232
1233    def bdev_reset_iostat(args):
1234        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1235
1236    p = subparsers.add_parser('bdev_reset_iostat',
1237                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1238    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1239    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1240    p.set_defaults(func=bdev_reset_iostat)
1241
1242    def bdev_enable_histogram(args):
1243        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1244
1245    p = subparsers.add_parser('bdev_enable_histogram',
1246                              help='Enable or disable histogram for specified bdev')
1247    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1248    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1249    p.add_argument('name', help='bdev name')
1250    p.set_defaults(func=bdev_enable_histogram)
1251
1252    def bdev_get_histogram(args):
1253        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1254
1255    p = subparsers.add_parser('bdev_get_histogram',
1256                              help='Get histogram for specified bdev')
1257    p.add_argument('name', help='bdev name')
1258    p.set_defaults(func=bdev_get_histogram)
1259
1260    def bdev_set_qd_sampling_period(args):
1261        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1262                                             name=args.name,
1263                                             period=args.period)
1264
1265    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1266                              help="Enable or disable tracking of a bdev's queue depth.")
1267    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1268    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1269                   ' If set to 0, polling will be disabled.',
1270                   type=int)
1271    p.set_defaults(func=bdev_set_qd_sampling_period)
1272
1273    def bdev_set_qos_limit(args):
1274        rpc.bdev.bdev_set_qos_limit(args.client,
1275                                    name=args.name,
1276                                    rw_ios_per_sec=args.rw_ios_per_sec,
1277                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1278                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1279                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1280
1281    p = subparsers.add_parser('bdev_set_qos_limit',
1282                              help='Set QoS rate limit on a blockdev')
1283    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1284    p.add_argument('--rw-ios-per-sec',
1285                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1286                   type=int)
1287    p.add_argument('--rw-mbytes-per-sec',
1288                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1289                   type=int)
1290    p.add_argument('--r-mbytes-per-sec',
1291                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1292                   type=int)
1293    p.add_argument('--w-mbytes-per-sec',
1294                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1295                   type=int)
1296    p.set_defaults(func=bdev_set_qos_limit)
1297
1298    def bdev_error_inject_error(args):
1299        rpc.bdev.bdev_error_inject_error(args.client,
1300                                         name=args.name,
1301                                         io_type=args.io_type,
1302                                         error_type=args.error_type,
1303                                         num=args.num,
1304                                         queue_depth=args.queue_depth,
1305                                         corrupt_offset=args.corrupt_offset,
1306                                         corrupt_value=args.corrupt_value)
1307
1308    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1309    p.add_argument('name', help="""the name of the error injection bdev""")
1310    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1311    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1312    p.add_argument(
1313        '-n', '--num', help='the number of commands you want to fail', type=int)
1314    p.add_argument(
1315        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1316    p.add_argument(
1317        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1318    p.add_argument(
1319        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1320    p.set_defaults(func=bdev_error_inject_error)
1321
1322    def bdev_nvme_apply_firmware(args):
1323        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1324                                                     bdev_name=args.bdev_name,
1325                                                     filename=args.filename))
1326
1327    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1328    p.add_argument('filename', help='filename of the firmware to download')
1329    p.add_argument('bdev_name', help='name of the NVMe device')
1330    p.set_defaults(func=bdev_nvme_apply_firmware)
1331
1332    def bdev_nvme_get_transport_statistics(args):
1333        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1334
1335    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1336                              help='Get bdev_nvme poll group transport statistics')
1337    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1338
1339    def bdev_nvme_get_controller_health_info(args):
1340        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1341                                                                 name=args.name))
1342
1343    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1344                              help='Display health log of the required NVMe bdev controller.')
1345    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1346    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1347
1348    # iSCSI
1349    def iscsi_set_options(args):
1350        rpc.iscsi.iscsi_set_options(
1351            args.client,
1352            auth_file=args.auth_file,
1353            node_base=args.node_base,
1354            nop_timeout=args.nop_timeout,
1355            nop_in_interval=args.nop_in_interval,
1356            disable_chap=args.disable_chap,
1357            require_chap=args.require_chap,
1358            mutual_chap=args.mutual_chap,
1359            chap_group=args.chap_group,
1360            max_sessions=args.max_sessions,
1361            max_queue_depth=args.max_queue_depth,
1362            max_connections_per_session=args.max_connections_per_session,
1363            default_time2wait=args.default_time2wait,
1364            default_time2retain=args.default_time2retain,
1365            first_burst_length=args.first_burst_length,
1366            immediate_data=args.immediate_data,
1367            error_recovery_level=args.error_recovery_level,
1368            allow_duplicated_isid=args.allow_duplicated_isid,
1369            max_large_datain_per_connection=args.max_large_datain_per_connection,
1370            max_r2t_per_connection=args.max_r2t_per_connection,
1371            pdu_pool_size=args.pdu_pool_size,
1372            immediate_data_pool_size=args.immediate_data_pool_size,
1373            data_out_pool_size=args.data_out_pool_size)
1374
1375    p = subparsers.add_parser('iscsi_set_options',
1376                              help="""Set options of iSCSI subsystem""")
1377    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1378    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1379    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1380    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1381    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1382    *** Mutually exclusive with --require-chap""", action='store_true')
1383    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1384    *** Mutually exclusive with --disable-chap""", action='store_true')
1385    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1386    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1387    *** Authentication group must be precreated ***""", type=int)
1388    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1389    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1390    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1391    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1392    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1393    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1394    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1395    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1396    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1397    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1398    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1399    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1400    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1401    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1402    p.set_defaults(func=iscsi_set_options)
1403
1404    def iscsi_set_discovery_auth(args):
1405        rpc.iscsi.iscsi_set_discovery_auth(
1406            args.client,
1407            disable_chap=args.disable_chap,
1408            require_chap=args.require_chap,
1409            mutual_chap=args.mutual_chap,
1410            chap_group=args.chap_group)
1411
1412    p = subparsers.add_parser('iscsi_set_discovery_auth',
1413                              help="""Set CHAP authentication for discovery session.""")
1414    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1415    *** Mutually exclusive with --require-chap""", action='store_true')
1416    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1417    *** Mutually exclusive with --disable-chap""", action='store_true')
1418    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1419    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1420    *** Authentication group must be precreated ***""", type=int)
1421    p.set_defaults(func=iscsi_set_discovery_auth)
1422
1423    def iscsi_create_auth_group(args):
1424        secrets = None
1425        if args.secrets:
1426            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1427
1428        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1429
1430    p = subparsers.add_parser('iscsi_create_auth_group',
1431                              help='Create authentication group for CHAP authentication.')
1432    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1433    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1434<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1435Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1436    p.set_defaults(func=iscsi_create_auth_group)
1437
1438    def iscsi_delete_auth_group(args):
1439        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1440
1441    p = subparsers.add_parser('iscsi_delete_auth_group',
1442                              help='Delete an authentication group.')
1443    p.add_argument('tag', help='Authentication group tag', type=int)
1444    p.set_defaults(func=iscsi_delete_auth_group)
1445
1446    def iscsi_auth_group_add_secret(args):
1447        rpc.iscsi.iscsi_auth_group_add_secret(
1448            args.client,
1449            tag=args.tag,
1450            user=args.user,
1451            secret=args.secret,
1452            muser=args.muser,
1453            msecret=args.msecret)
1454
1455    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1456                              help='Add a secret to an authentication group.')
1457    p.add_argument('tag', help='Authentication group tag', type=int)
1458    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1459    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1460    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1461    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1462    p.set_defaults(func=iscsi_auth_group_add_secret)
1463
1464    def iscsi_auth_group_remove_secret(args):
1465        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1466
1467    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1468                              help='Remove a secret from an authentication group.')
1469    p.add_argument('tag', help='Authentication group tag', type=int)
1470    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1471    p.set_defaults(func=iscsi_auth_group_remove_secret)
1472
1473    def iscsi_get_auth_groups(args):
1474        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1475
1476    p = subparsers.add_parser('iscsi_get_auth_groups',
1477                              help='Display current authentication group configuration')
1478    p.set_defaults(func=iscsi_get_auth_groups)
1479
1480    def iscsi_get_portal_groups(args):
1481        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1482
1483    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1484    p.set_defaults(func=iscsi_get_portal_groups)
1485
1486    def iscsi_get_initiator_groups(args):
1487        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1488
1489    p = subparsers.add_parser('iscsi_get_initiator_groups',
1490                              help='Display current initiator group configuration')
1491    p.set_defaults(func=iscsi_get_initiator_groups)
1492
1493    def iscsi_get_target_nodes(args):
1494        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1495
1496    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1497    p.set_defaults(func=iscsi_get_target_nodes)
1498
1499    def iscsi_create_target_node(args):
1500        luns = []
1501        for u in args.bdev_name_id_pairs.strip().split(" "):
1502            bdev_name, lun_id = u.split(":")
1503            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1504
1505        pg_ig_maps = []
1506        for u in args.pg_ig_mappings.strip().split(" "):
1507            pg, ig = u.split(":")
1508            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1509
1510        rpc.iscsi.iscsi_create_target_node(
1511            args.client,
1512            luns=luns,
1513            pg_ig_maps=pg_ig_maps,
1514            name=args.name,
1515            alias_name=args.alias_name,
1516            queue_depth=args.queue_depth,
1517            chap_group=args.chap_group,
1518            disable_chap=args.disable_chap,
1519            require_chap=args.require_chap,
1520            mutual_chap=args.mutual_chap,
1521            header_digest=args.header_digest,
1522            data_digest=args.data_digest)
1523
1524    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1525    p.add_argument('name', help='Target node name (ASCII)')
1526    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1527    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1528    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1529    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1530    *** The bdevs must pre-exist ***
1531    *** LUN0 (id = 0) is required ***
1532    *** bdevs names cannot contain space or colon characters ***""")
1533    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1534    Whitespace separated, quoted, mapping defined with colon
1535    separated list of "tags" (int > 0)
1536    Example: '1:1 2:2 2:1'
1537    *** The Portal/Initiator Groups must be precreated ***""")
1538    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1539    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1540    *** Authentication group must be precreated ***""", type=int)
1541    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1542    *** Mutually exclusive with --require-chap ***""", action='store_true')
1543    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1544    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1545    p.add_argument(
1546        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1547    p.add_argument('-H', '--header-digest',
1548                   help='Header Digest should be required for this target node.', action='store_true')
1549    p.add_argument('-D', '--data-digest',
1550                   help='Data Digest should be required for this target node.', action='store_true')
1551    p.set_defaults(func=iscsi_create_target_node)
1552
1553    def iscsi_target_node_add_lun(args):
1554        rpc.iscsi.iscsi_target_node_add_lun(
1555            args.client,
1556            name=args.name,
1557            bdev_name=args.bdev_name,
1558            lun_id=args.lun_id)
1559
1560    p = subparsers.add_parser('iscsi_target_node_add_lun',
1561                              help='Add LUN to the target node')
1562    p.add_argument('name', help='Target node name (ASCII)')
1563    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1564    *** bdev name cannot contain space or colon characters ***""")
1565    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1566    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1567    p.set_defaults(func=iscsi_target_node_add_lun)
1568
1569    def iscsi_target_node_set_auth(args):
1570        rpc.iscsi.iscsi_target_node_set_auth(
1571            args.client,
1572            name=args.name,
1573            chap_group=args.chap_group,
1574            disable_chap=args.disable_chap,
1575            require_chap=args.require_chap,
1576            mutual_chap=args.mutual_chap)
1577
1578    p = subparsers.add_parser('iscsi_target_node_set_auth',
1579                              help='Set CHAP authentication for the target node')
1580    p.add_argument('name', help='Target node name (ASCII)')
1581    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1582    *** Authentication group must be precreated ***""", type=int)
1583    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1584    *** Mutually exclusive with --require-chap ***""", action='store_true')
1585    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1586    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1587    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1588                   action='store_true')
1589    p.set_defaults(func=iscsi_target_node_set_auth)
1590
1591    def iscsi_target_node_add_pg_ig_maps(args):
1592        pg_ig_maps = []
1593        for u in args.pg_ig_mappings.strip().split(" "):
1594            pg, ig = u.split(":")
1595            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1596        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1597            args.client,
1598            pg_ig_maps=pg_ig_maps,
1599            name=args.name)
1600
1601    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1602                              help='Add PG-IG maps to the target node')
1603    p.add_argument('name', help='Target node name (ASCII)')
1604    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1605    Whitespace separated, quoted, mapping defined with colon
1606    separated list of "tags" (int > 0)
1607    Example: '1:1 2:2 2:1'
1608    *** The Portal/Initiator Groups must be precreated ***""")
1609    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1610
1611    def iscsi_target_node_remove_pg_ig_maps(args):
1612        pg_ig_maps = []
1613        for u in args.pg_ig_mappings.strip().split(" "):
1614            pg, ig = u.split(":")
1615            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1616        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1617            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1618
1619    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1620                              help='Delete PG-IG maps from the target node')
1621    p.add_argument('name', help='Target node name (ASCII)')
1622    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1623    Whitespace separated, quoted, mapping defined with colon
1624    separated list of "tags" (int > 0)
1625    Example: '1:1 2:2 2:1'
1626    *** The Portal/Initiator Groups must be precreated ***""")
1627    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1628
1629    def iscsi_target_node_set_redirect(args):
1630        rpc.iscsi.iscsi_target_node_set_redirect(
1631            args.client,
1632            name=args.name,
1633            pg_tag=args.pg_tag,
1634            redirect_host=args.redirect_host,
1635            redirect_port=args.redirect_port)
1636
1637    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1638                              help="""Update redirect portal of the public portal group for the target node.
1639    Omit redirect host and port to clear previously set redirect settings.""")
1640    p.add_argument('name', help='Target node name (ASCII)')
1641    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1642    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1643    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1644    p.set_defaults(func=iscsi_target_node_set_redirect)
1645
1646    def iscsi_target_node_request_logout(args):
1647        rpc.iscsi.iscsi_target_node_request_logout(
1648            args.client,
1649            name=args.name,
1650            pg_tag=args.pg_tag)
1651
1652    p = subparsers.add_parser('iscsi_target_node_request_logout',
1653                              help="""For the target node, request connections whose portal group tag
1654    match to logout, or request all connections if portal group tag is omitted.""")
1655    p.add_argument('name', help='Target node name (ASCII)')
1656    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1657    p.set_defaults(func=iscsi_target_node_request_logout)
1658
1659    def iscsi_create_portal_group(args):
1660        portals = []
1661        for p in args.portal_list.strip().split(' '):
1662            ip, separator, port_cpumask = p.rpartition(':')
1663            split_port_cpumask = port_cpumask.split('@')
1664            if len(split_port_cpumask) == 1:
1665                port = port_cpumask
1666                portals.append({'host': ip, 'port': port})
1667            else:
1668                port = split_port_cpumask[0]
1669                cpumask = split_port_cpumask[1]
1670                portals.append({'host': ip, 'port': port})
1671                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1672        rpc.iscsi.iscsi_create_portal_group(
1673            args.client,
1674            portals=portals,
1675            tag=args.tag,
1676            private=args.private,
1677            wait=args.wait)
1678
1679    p = subparsers.add_parser('iscsi_create_portal_group',
1680                              help='Add a portal group')
1681    p.add_argument(
1682        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1683    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1684    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1685    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1686    Private portal groups do not have their portals returned by a discovery session. A public
1687    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1688    portal must be from a private portal group.""", action='store_true')
1689    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1690    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1691    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1692    p.set_defaults(func=iscsi_create_portal_group)
1693
1694    def iscsi_start_portal_group(args):
1695        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1696
1697    p = subparsers.add_parser('iscsi_start_portal_group',
1698                              help='Start listening on portals if it is not started yet.')
1699    p.add_argument(
1700        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1701    p.set_defaults(func=iscsi_start_portal_group)
1702
1703    def iscsi_create_initiator_group(args):
1704        initiators = []
1705        netmasks = []
1706        for i in args.initiator_list.strip().split(' '):
1707            initiators.append(i)
1708        for n in args.netmask_list.strip().split(' '):
1709            netmasks.append(n)
1710        rpc.iscsi.iscsi_create_initiator_group(
1711            args.client,
1712            tag=args.tag,
1713            initiators=initiators,
1714            netmasks=netmasks)
1715
1716    p = subparsers.add_parser('iscsi_create_initiator_group',
1717                              help='Add an initiator group')
1718    p.add_argument(
1719        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1720    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1721    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1722    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1723    Example: '255.255.0.0 255.248.0.0' etc""")
1724    p.set_defaults(func=iscsi_create_initiator_group)
1725
1726    def iscsi_initiator_group_add_initiators(args):
1727        initiators = None
1728        netmasks = None
1729        if args.initiator_list:
1730            initiators = []
1731            for i in args.initiator_list.strip().split(' '):
1732                initiators.append(i)
1733        if args.netmask_list:
1734            netmasks = []
1735            for n in args.netmask_list.strip().split(' '):
1736                netmasks.append(n)
1737        rpc.iscsi.iscsi_initiator_group_add_initiators(
1738            args.client,
1739            tag=args.tag,
1740            initiators=initiators,
1741            netmasks=netmasks)
1742
1743    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1744                              help='Add initiators to an existing initiator group')
1745    p.add_argument(
1746        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1747    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1748    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1749    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1750    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1751    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1752    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1753
1754    def iscsi_initiator_group_remove_initiators(args):
1755        initiators = None
1756        netmasks = None
1757        if args.initiator_list:
1758            initiators = []
1759            for i in args.initiator_list.strip().split(' '):
1760                initiators.append(i)
1761        if args.netmask_list:
1762            netmasks = []
1763            for n in args.netmask_list.strip().split(' '):
1764                netmasks.append(n)
1765        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1766            args.client,
1767            tag=args.tag,
1768            initiators=initiators,
1769            netmasks=netmasks)
1770
1771    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1772                              help='Delete initiators from an existing initiator group')
1773    p.add_argument(
1774        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1775    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1776    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1777    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1778    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1779    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1780    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1781
1782    def iscsi_delete_target_node(args):
1783        rpc.iscsi.iscsi_delete_target_node(
1784            args.client, target_node_name=args.target_node_name)
1785
1786    p = subparsers.add_parser('iscsi_delete_target_node',
1787                              help='Delete a target node')
1788    p.add_argument('target_node_name',
1789                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1790    p.set_defaults(func=iscsi_delete_target_node)
1791
1792    def iscsi_delete_portal_group(args):
1793        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1794
1795    p = subparsers.add_parser('iscsi_delete_portal_group',
1796                              help='Delete a portal group')
1797    p.add_argument(
1798        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1799    p.set_defaults(func=iscsi_delete_portal_group)
1800
1801    def iscsi_delete_initiator_group(args):
1802        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1803
1804    p = subparsers.add_parser('iscsi_delete_initiator_group',
1805                              help='Delete an initiator group')
1806    p.add_argument(
1807        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1808    p.set_defaults(func=iscsi_delete_initiator_group)
1809
1810    def iscsi_portal_group_set_auth(args):
1811        rpc.iscsi.iscsi_portal_group_set_auth(
1812            args.client,
1813            tag=args.tag,
1814            chap_group=args.chap_group,
1815            disable_chap=args.disable_chap,
1816            require_chap=args.require_chap,
1817            mutual_chap=args.mutual_chap)
1818
1819    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1820                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1821    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1822    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1823    *** Authentication group must be precreated ***""", type=int)
1824    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1825    *** Mutually exclusive with --require-chap ***""", action='store_true')
1826    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1827    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1828    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1829                   action='store_true')
1830    p.set_defaults(func=iscsi_portal_group_set_auth)
1831
1832    def iscsi_get_connections(args):
1833        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1834
1835    p = subparsers.add_parser('iscsi_get_connections',
1836                              help='Display iSCSI connections')
1837    p.set_defaults(func=iscsi_get_connections)
1838
1839    def iscsi_get_stats(args):
1840        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1841
1842    p = subparsers.add_parser('iscsi_get_stats',
1843                              help='Display stat information of iSCSI connections.')
1844    p.set_defaults(func=iscsi_get_stats)
1845
1846    def iscsi_get_options(args):
1847        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1848
1849    p = subparsers.add_parser('iscsi_get_options',
1850                              help='Display iSCSI global parameters')
1851    p.set_defaults(func=iscsi_get_options)
1852
1853    def scsi_get_devices(args):
1854        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1855
1856    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1857    p.set_defaults(func=scsi_get_devices)
1858
1859    # trace
1860    def trace_enable_tpoint_group(args):
1861        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1862
1863    p = subparsers.add_parser('trace_enable_tpoint_group',
1864                              help='enable trace on a specific tpoint group')
1865    p.add_argument(
1866        'name', help="""trace group name we want to enable in tpoint_group_mask.
1867        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1868    p.set_defaults(func=trace_enable_tpoint_group)
1869
1870    def trace_disable_tpoint_group(args):
1871        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1872
1873    p = subparsers.add_parser('trace_disable_tpoint_group',
1874                              help='disable trace on a specific tpoint group')
1875    p.add_argument(
1876        'name', help="""trace group name we want to disable in tpoint_group_mask.
1877        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1878    p.set_defaults(func=trace_disable_tpoint_group)
1879
1880    def trace_set_tpoint_mask(args):
1881        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1882
1883    p = subparsers.add_parser('trace_set_tpoint_mask',
1884                              help='enable tracepoint mask on a specific tpoint group')
1885    p.add_argument(
1886        'name', help="""trace group name we want to enable in tpoint_group_mask.
1887        (for example "bdev" for bdev trace group)""")
1888    p.add_argument(
1889        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1890        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1891        type=lambda m: int(m, 16))
1892    p.set_defaults(func=trace_set_tpoint_mask)
1893
1894    def trace_clear_tpoint_mask(args):
1895        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1896
1897    p = subparsers.add_parser('trace_clear_tpoint_mask',
1898                              help='disable tracepoint mask on a specific tpoint group')
1899    p.add_argument(
1900        'name', help="""trace group name we want to disable in tpoint_group_mask.
1901        (for example "bdev" for bdev trace group)""")
1902    p.add_argument(
1903        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1904        (for example value of "0x3" will disable the first two tpoints in this group)""",
1905        type=lambda m: int(m, 16))
1906    p.set_defaults(func=trace_clear_tpoint_mask)
1907
1908    def trace_get_tpoint_group_mask(args):
1909        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1910
1911    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1912    p.set_defaults(func=trace_get_tpoint_group_mask)
1913
1914    def trace_get_info(args):
1915        print_dict(rpc.trace.trace_get_info(args.client))
1916
1917    p = subparsers.add_parser('trace_get_info',
1918                              help='get name of shared memory file and list of the available trace point groups')
1919    p.set_defaults(func=trace_get_info)
1920
1921    # log
1922    def log_set_flag(args):
1923        rpc.log.log_set_flag(args.client, flag=args.flag)
1924
1925    p = subparsers.add_parser('log_set_flag', help='set log flag')
1926    p.add_argument(
1927        'flag', help='log flag we want to set. (for example "nvme").')
1928    p.set_defaults(func=log_set_flag)
1929
1930    def log_clear_flag(args):
1931        rpc.log.log_clear_flag(args.client, flag=args.flag)
1932
1933    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1934    p.add_argument(
1935        'flag', help='log flag we want to clear. (for example "nvme").')
1936    p.set_defaults(func=log_clear_flag)
1937
1938    def log_get_flags(args):
1939        print_dict(rpc.log.log_get_flags(args.client))
1940
1941    p = subparsers.add_parser('log_get_flags', help='get log flags')
1942    p.set_defaults(func=log_get_flags)
1943
1944    def log_set_level(args):
1945        rpc.log.log_set_level(args.client, level=args.level)
1946
1947    p = subparsers.add_parser('log_set_level', help='set log level')
1948    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1949    p.set_defaults(func=log_set_level)
1950
1951    def log_get_level(args):
1952        print_dict(rpc.log.log_get_level(args.client))
1953
1954    p = subparsers.add_parser('log_get_level', help='get log level')
1955    p.set_defaults(func=log_get_level)
1956
1957    def log_set_print_level(args):
1958        rpc.log.log_set_print_level(args.client, level=args.level)
1959
1960    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1961    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1962    p.set_defaults(func=log_set_print_level)
1963
1964    def log_get_print_level(args):
1965        print_dict(rpc.log.log_get_print_level(args.client))
1966
1967    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1968    p.set_defaults(func=log_get_print_level)
1969
1970    # lvol
1971    def bdev_lvol_create_lvstore(args):
1972        # The default unmap clear method may take over 60.0 sec.
1973        if args.timeout is None:
1974            args.client.timeout = 90.0
1975        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1976                                                     bdev_name=args.bdev_name,
1977                                                     lvs_name=args.lvs_name,
1978                                                     cluster_sz=args.cluster_sz,
1979                                                     clear_method=args.clear_method,
1980                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
1981
1982    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
1983    p.add_argument('bdev_name', help='base bdev name')
1984    p.add_argument('lvs_name', help='name for lvol store')
1985    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
1986    p.add_argument('--clear-method', help="""Change clear method for data region.
1987        Available: none, unmap, write_zeroes""")
1988    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
1989    p.set_defaults(func=bdev_lvol_create_lvstore)
1990
1991    def bdev_lvol_rename_lvstore(args):
1992        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1993                                          old_name=args.old_name,
1994                                          new_name=args.new_name)
1995
1996    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
1997    p.add_argument('old_name', help='old name')
1998    p.add_argument('new_name', help='new name')
1999    p.set_defaults(func=bdev_lvol_rename_lvstore)
2000
2001    def bdev_lvol_grow_lvstore(args):
2002        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2003                                                   uuid=args.uuid,
2004                                                   lvs_name=args.lvs_name))
2005
2006    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2007                              help='Grow the lvstore size to the underlying bdev size')
2008    p.add_argument('-u', '--uuid', help='lvol store UUID')
2009    p.add_argument('-l', '--lvs-name', help='lvol store name')
2010    p.set_defaults(func=bdev_lvol_grow_lvstore)
2011
2012    def bdev_lvol_create(args):
2013        print_json(rpc.lvol.bdev_lvol_create(args.client,
2014                                             lvol_name=args.lvol_name,
2015                                             size_in_mib=args.size_in_mib,
2016                                             thin_provision=args.thin_provision,
2017                                             clear_method=args.clear_method,
2018                                             uuid=args.uuid,
2019                                             lvs_name=args.lvs_name))
2020
2021    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2022    p.add_argument('-u', '--uuid', help='lvol store UUID')
2023    p.add_argument('-l', '--lvs-name', help='lvol store name')
2024    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2025    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2026        Available: none, unmap, write_zeroes""")
2027    p.add_argument('lvol_name', help='name for this lvol')
2028    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2029    p.set_defaults(func=bdev_lvol_create)
2030
2031    def bdev_lvol_snapshot(args):
2032        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2033                                               lvol_name=args.lvol_name,
2034                                               snapshot_name=args.snapshot_name))
2035
2036    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2037    p.add_argument('lvol_name', help='lvol bdev name')
2038    p.add_argument('snapshot_name', help='lvol snapshot name')
2039    p.set_defaults(func=bdev_lvol_snapshot)
2040
2041    def bdev_lvol_clone(args):
2042        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2043                                            snapshot_name=args.snapshot_name,
2044                                            clone_name=args.clone_name))
2045
2046    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2047    p.add_argument('snapshot_name', help='lvol snapshot name')
2048    p.add_argument('clone_name', help='lvol clone name')
2049    p.set_defaults(func=bdev_lvol_clone)
2050
2051    def bdev_lvol_clone_bdev(args):
2052        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2053                                                 bdev=args.bdev,
2054                                                 lvs_name=args.lvs_name,
2055                                                 clone_name=args.clone_name))
2056
2057    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2058                              help='Create a clone of a non-lvol bdev')
2059    p.add_argument('bdev', help='bdev to clone')
2060    p.add_argument('lvs_name', help='logical volume store name')
2061    p.add_argument('clone_name', help='lvol clone name')
2062    p.set_defaults(func=bdev_lvol_clone_bdev)
2063
2064    def bdev_lvol_rename(args):
2065        rpc.lvol.bdev_lvol_rename(args.client,
2066                                  old_name=args.old_name,
2067                                  new_name=args.new_name)
2068
2069    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2070    p.add_argument('old_name', help='lvol bdev name')
2071    p.add_argument('new_name', help='new lvol name')
2072    p.set_defaults(func=bdev_lvol_rename)
2073
2074    def bdev_lvol_inflate(args):
2075        rpc.lvol.bdev_lvol_inflate(args.client,
2076                                   name=args.name)
2077
2078    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2079    p.add_argument('name', help='lvol bdev name')
2080    p.set_defaults(func=bdev_lvol_inflate)
2081
2082    def bdev_lvol_decouple_parent(args):
2083        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2084                                           name=args.name)
2085
2086    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2087    p.add_argument('name', help='lvol bdev name')
2088    p.set_defaults(func=bdev_lvol_decouple_parent)
2089
2090    def bdev_lvol_resize(args):
2091        rpc.lvol.bdev_lvol_resize(args.client,
2092                                  name=args.name,
2093                                  size_in_mib=args.size_in_mib)
2094
2095    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2096    p.add_argument('name', help='lvol bdev name')
2097    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2098    p.set_defaults(func=bdev_lvol_resize)
2099
2100    def bdev_lvol_set_read_only(args):
2101        rpc.lvol.bdev_lvol_set_read_only(args.client,
2102                                         name=args.name)
2103
2104    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2105    p.add_argument('name', help='lvol bdev name')
2106    p.set_defaults(func=bdev_lvol_set_read_only)
2107
2108    def bdev_lvol_delete(args):
2109        rpc.lvol.bdev_lvol_delete(args.client,
2110                                  name=args.name)
2111
2112    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2113    p.add_argument('name', help='lvol bdev name')
2114    p.set_defaults(func=bdev_lvol_delete)
2115
2116    def bdev_lvol_delete_lvstore(args):
2117        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2118                                          uuid=args.uuid,
2119                                          lvs_name=args.lvs_name)
2120
2121    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2122    p.add_argument('-u', '--uuid', help='lvol store UUID')
2123    p.add_argument('-l', '--lvs-name', help='lvol store name')
2124    p.set_defaults(func=bdev_lvol_delete_lvstore)
2125
2126    def bdev_lvol_get_lvstores(args):
2127        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2128                                                   uuid=args.uuid,
2129                                                   lvs_name=args.lvs_name))
2130
2131    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2132    p.add_argument('-u', '--uuid', help='lvol store UUID')
2133    p.add_argument('-l', '--lvs-name', help='lvol store name')
2134    p.set_defaults(func=bdev_lvol_get_lvstores)
2135
2136    def bdev_lvol_get_lvols(args):
2137        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2138                                                lvs_uuid=args.lvs_uuid,
2139                                                lvs_name=args.lvs_name))
2140
2141    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2142    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2143    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2144    p.set_defaults(func=bdev_lvol_get_lvols)
2145
2146    def bdev_raid_set_options(args):
2147        rpc.bdev.bdev_raid_set_options(args.client,
2148                                       process_window_size_kb=args.process_window_size_kb)
2149
2150    p = subparsers.add_parser('bdev_raid_set_options',
2151                              help='Set options for bdev raid.')
2152    p.add_argument('-w', '--process-window-size-kb', type=int,
2153                   help="Background process (e.g. rebuild) window size in KiB")
2154
2155    p.set_defaults(func=bdev_raid_set_options)
2156
2157    def bdev_raid_get_bdevs(args):
2158        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2159                                                category=args.category))
2160
2161    p = subparsers.add_parser('bdev_raid_get_bdevs',
2162                              help="""This is used to list all the raid bdev details based on the input category
2163    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2164    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2165    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2166    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2167    p.add_argument('category', help='all or online or configuring or offline')
2168    p.set_defaults(func=bdev_raid_get_bdevs)
2169
2170    def bdev_raid_create(args):
2171        base_bdevs = []
2172        for u in args.base_bdevs.strip().split():
2173            base_bdevs.append(u)
2174
2175        rpc.bdev.bdev_raid_create(args.client,
2176                                  name=args.name,
2177                                  strip_size_kb=args.strip_size_kb,
2178                                  raid_level=args.raid_level,
2179                                  base_bdevs=base_bdevs,
2180                                  uuid=args.uuid,
2181                                  superblock=args.superblock)
2182    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2183    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2184    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2185    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2186    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2187    p.add_argument('--uuid', help='UUID for this raid bdev')
2188    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2189                                              'disabled by default due to backward compatibility', action='store_true')
2190    p.set_defaults(func=bdev_raid_create)
2191
2192    def bdev_raid_delete(args):
2193        rpc.bdev.bdev_raid_delete(args.client,
2194                                  name=args.name)
2195    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2196    p.add_argument('name', help='raid bdev name')
2197    p.set_defaults(func=bdev_raid_delete)
2198
2199    def bdev_raid_add_base_bdev(args):
2200        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2201                                         raid_bdev=args.raid_bdev,
2202                                         base_bdev=args.base_bdev)
2203    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2204    p.add_argument('raid_bdev', help='raid bdev name')
2205    p.add_argument('base_bdev', help='base bdev name')
2206    p.set_defaults(func=bdev_raid_add_base_bdev)
2207
2208    def bdev_raid_remove_base_bdev(args):
2209        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2210                                            name=args.name)
2211    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2212    p.add_argument('name', help='base bdev name')
2213    p.set_defaults(func=bdev_raid_remove_base_bdev)
2214
2215    # split
2216    def bdev_split_create(args):
2217        print_array(rpc.bdev.bdev_split_create(args.client,
2218                                               base_bdev=args.base_bdev,
2219                                               split_count=args.split_count,
2220                                               split_size_mb=args.split_size_mb))
2221
2222    p = subparsers.add_parser('bdev_split_create',
2223                              help="""Add given disk name to split config. If bdev with base_name
2224    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2225    available (during examination process).""")
2226    p.add_argument('base_bdev', help='base bdev name')
2227    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2228    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2229    exceed the base bdev size.""", type=int)
2230    p.set_defaults(func=bdev_split_create)
2231
2232    def bdev_split_delete(args):
2233        rpc.bdev.bdev_split_delete(args.client,
2234                                   base_bdev=args.base_bdev)
2235
2236    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2237    p.add_argument('base_bdev', help='base bdev name')
2238    p.set_defaults(func=bdev_split_delete)
2239
2240    # ftl
2241    def bdev_ftl_create(args):
2242        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2243                                            name=args.name,
2244                                            base_bdev=args.base_bdev,
2245                                            uuid=args.uuid,
2246                                            cache=args.cache,
2247                                            overprovisioning=args.overprovisioning,
2248                                            l2p_dram_limit=args.l2p_dram_limit,
2249                                            core_mask=args.core_mask,
2250                                            fast_shutdown=args.fast_shutdown))
2251
2252    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2253    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2254    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2255                   required=True)
2256    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2257                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2258    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2259                   required=True)
2260    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2261                   ' to user (optional); default 20', type=int)
2262    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2263                   type=int)
2264    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2265                   'by default core thread will be set to the main application core (optional)')
2266    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2267    p.set_defaults(func=bdev_ftl_create)
2268
2269    def bdev_ftl_load(args):
2270        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2271                                          name=args.name,
2272                                          base_bdev=args.base_bdev,
2273                                          uuid=args.uuid,
2274                                          cache=args.cache,
2275                                          overprovisioning=args.overprovisioning,
2276                                          l2p_dram_limit=args.l2p_dram_limit,
2277                                          core_mask=args.core_mask,
2278                                          fast_shutdown=args.fast_shutdown))
2279
2280    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2281    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2282    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2283                   required=True)
2284    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2285    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2286                   required=True)
2287    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2288                   ' to user (optional); default 20', type=int)
2289    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2290                   type=int)
2291    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2292                   'by default core thread will be set to the main application core (optional)')
2293    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2294    p.set_defaults(func=bdev_ftl_load)
2295
2296    def bdev_ftl_unload(args):
2297        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2298
2299    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2300    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2301    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2302    p.set_defaults(func=bdev_ftl_unload)
2303
2304    def bdev_ftl_delete(args):
2305        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2306
2307    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2308    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2309    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2310    p.set_defaults(func=bdev_ftl_delete)
2311
2312    def bdev_ftl_unmap(args):
2313        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2314                                           lba=args.lba,
2315                                           num_blocks=args.num_blocks))
2316
2317    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2318    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2319    p.add_argument('--lba', help='start LBA', required=True, type=int)
2320    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2321    p.set_defaults(func=bdev_ftl_unmap)
2322
2323    def bdev_ftl_get_stats(args):
2324        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2325
2326    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2327    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2328    p.set_defaults(func=bdev_ftl_get_stats)
2329
2330    def bdev_ftl_get_properties(args):
2331        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2332
2333    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2334    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2335    p.set_defaults(func=bdev_ftl_get_properties)
2336
2337    def bdev_ftl_set_property(args):
2338        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2339                   ftl_property=args.property,
2340                   value=args.value))
2341
2342    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2343    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2344    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2345    p.add_argument('-v', '--value', help="Value of the property", required=True)
2346    p.set_defaults(func=bdev_ftl_set_property)
2347
2348    # vmd
2349    def vmd_enable(args):
2350        print_dict(rpc.vmd.vmd_enable(args.client))
2351
2352    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2353    p.set_defaults(func=vmd_enable)
2354
2355    def vmd_remove_device(args):
2356        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2357
2358    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2359    p.add_argument('addr', help='Address of the device to remove', type=str)
2360    p.set_defaults(func=vmd_remove_device)
2361
2362    def vmd_rescan(args):
2363        print_dict(rpc.vmd.vmd_rescan(args.client))
2364
2365    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2366    p.set_defaults(func=vmd_rescan)
2367
2368    # ublk
2369    def ublk_create_target(args):
2370        rpc.ublk.ublk_create_target(args.client,
2371                                    cpumask=args.cpumask)
2372    p = subparsers.add_parser('ublk_create_target',
2373                              help='Create spdk ublk target for ublk dev')
2374    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2375    p.set_defaults(func=ublk_create_target)
2376
2377    def ublk_destroy_target(args):
2378        rpc.ublk.ublk_destroy_target(args.client)
2379    p = subparsers.add_parser('ublk_destroy_target',
2380                              help='Destroy spdk ublk target for ublk dev')
2381    p.set_defaults(func=ublk_destroy_target)
2382
2383    def ublk_start_disk(args):
2384        print(rpc.ublk.ublk_start_disk(args.client,
2385                                       bdev_name=args.bdev_name,
2386                                       ublk_id=args.ublk_id,
2387                                       num_queues=args.num_queues,
2388                                       queue_depth=args.queue_depth))
2389
2390    p = subparsers.add_parser('ublk_start_disk',
2391                              help='Export a bdev as a ublk device')
2392    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2393    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2394    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2395    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2396    p.set_defaults(func=ublk_start_disk)
2397
2398    def ublk_stop_disk(args):
2399        rpc.ublk.ublk_stop_disk(args.client,
2400                                ublk_id=args.ublk_id)
2401
2402    p = subparsers.add_parser('ublk_stop_disk',
2403                              help='Stop a ublk device')
2404    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2405    p.set_defaults(func=ublk_stop_disk)
2406
2407    def ublk_recover_disk(args):
2408        print(rpc.ublk.ublk_recover_disk(args.client,
2409                                         bdev_name=args.bdev_name,
2410                                         ublk_id=args.ublk_id))
2411
2412    p = subparsers.add_parser('ublk_recover_disk',
2413                              help='Recover ublk device')
2414    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2415    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2416    p.set_defaults(func=ublk_recover_disk)
2417
2418    def ublk_get_disks(args):
2419        print_dict(rpc.ublk.ublk_get_disks(args.client,
2420                                           ublk_id=args.ublk_id))
2421
2422    p = subparsers.add_parser('ublk_get_disks',
2423                              help='Display full or specified ublk device list')
2424    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2425    p.set_defaults(func=ublk_get_disks)
2426
2427    # nbd
2428    def nbd_start_disk(args):
2429        print(rpc.nbd.nbd_start_disk(args.client,
2430                                     bdev_name=args.bdev_name,
2431                                     nbd_device=args.nbd_device))
2432
2433    p = subparsers.add_parser('nbd_start_disk',
2434                              help='Export a bdev as an nbd disk')
2435    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2436    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2437    p.set_defaults(func=nbd_start_disk)
2438
2439    def nbd_stop_disk(args):
2440        rpc.nbd.nbd_stop_disk(args.client,
2441                              nbd_device=args.nbd_device)
2442
2443    p = subparsers.add_parser('nbd_stop_disk',
2444                              help='Stop an nbd disk')
2445    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2446    p.set_defaults(func=nbd_stop_disk)
2447
2448    def nbd_get_disks(args):
2449        print_dict(rpc.nbd.nbd_get_disks(args.client,
2450                                         nbd_device=args.nbd_device))
2451
2452    p = subparsers.add_parser('nbd_get_disks',
2453                              help='Display full or specified nbd device list')
2454    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2455    p.set_defaults(func=nbd_get_disks)
2456
2457    # NVMe-oF
2458    def nvmf_set_max_subsystems(args):
2459        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2460                                         max_subsystems=args.max_subsystems)
2461
2462    p = subparsers.add_parser('nvmf_set_max_subsystems',
2463                              help='Set the maximum number of NVMf target subsystems')
2464    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2465    p.set_defaults(func=nvmf_set_max_subsystems)
2466
2467    def nvmf_set_config(args):
2468        rpc.nvmf.nvmf_set_config(args.client,
2469                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2470                                 poll_groups_mask=args.poll_groups_mask,
2471                                 discovery_filter=args.discovery_filter)
2472
2473    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2474    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2475    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2476    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2477    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2478         comma separated values: `transport`, `address`, `svcid`""", type=str)
2479    p.set_defaults(func=nvmf_set_config)
2480
2481    def nvmf_create_transport(args):
2482        rpc.nvmf.nvmf_create_transport(**vars(args))
2483
2484    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2485    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2486    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2487    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2488    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2489    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2490    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2491    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2492    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2493    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2494    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2495    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2496    underlying bdev supports them''')
2497    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2498    Relevant only for RDMA transport""", type=int)
2499    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2500    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2501    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2502    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2503    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2504    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2505    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2506    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2507    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2508    Relevant only for TCP transport""", type=int)
2509    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2510    Relevant only for VFIO-USER transport""")
2511    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2512    Relevant only for VFIO-USER transport""")
2513    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2514    Relevant only for VFIO-USER transport""")
2515    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2516    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2517    p.set_defaults(func=nvmf_create_transport)
2518
2519    def nvmf_get_transports(args):
2520        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2521
2522    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2523    p.add_argument('--trtype', help='Transport type (optional)')
2524    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2525    p.set_defaults(func=nvmf_get_transports)
2526
2527    def nvmf_get_subsystems(args):
2528        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2529
2530    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2531    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2532    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2533    p.set_defaults(func=nvmf_get_subsystems)
2534
2535    def nvmf_create_subsystem(args):
2536        rpc.nvmf.nvmf_create_subsystem(args.client,
2537                                       nqn=args.nqn,
2538                                       tgt_name=args.tgt_name,
2539                                       serial_number=args.serial_number,
2540                                       model_number=args.model_number,
2541                                       allow_any_host=args.allow_any_host,
2542                                       max_namespaces=args.max_namespaces,
2543                                       ana_reporting=args.ana_reporting,
2544                                       min_cntlid=args.min_cntlid,
2545                                       max_cntlid=args.max_cntlid,
2546                                       max_discard_size_kib=args.max_discard_size,
2547                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2548
2549    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2550    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2551    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2552    p.add_argument("-s", "--serial-number", help="""
2553    Format:  'sn' etc
2554    Example: 'SPDK00000000000001'""")
2555    p.add_argument("-d", "--model-number", help="""
2556    Format:  'mn' etc
2557    Example: 'SPDK Controller'""")
2558    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2559    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2560                   type=int)
2561    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2562    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2563    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2564    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2565    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2566    p.set_defaults(func=nvmf_create_subsystem)
2567
2568    def nvmf_delete_subsystem(args):
2569        rpc.nvmf.nvmf_delete_subsystem(args.client,
2570                                       nqn=args.subsystem_nqn,
2571                                       tgt_name=args.tgt_name)
2572
2573    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2574    p.add_argument('subsystem_nqn',
2575                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2576    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2577    p.set_defaults(func=nvmf_delete_subsystem)
2578
2579    def nvmf_subsystem_add_listener(args):
2580        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2581
2582    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2583    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2584    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2585    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2586    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2587    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2588    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2589    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2590    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2591    p.set_defaults(func=nvmf_subsystem_add_listener)
2592
2593    def nvmf_subsystem_remove_listener(args):
2594        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2595                                                nqn=args.nqn,
2596                                                trtype=args.trtype,
2597                                                traddr=args.traddr,
2598                                                tgt_name=args.tgt_name,
2599                                                adrfam=args.adrfam,
2600                                                trsvcid=args.trsvcid)
2601
2602    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2603    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2604    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2605    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2606    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2607    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2608    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2609    p.set_defaults(func=nvmf_subsystem_remove_listener)
2610
2611    def nvmf_subsystem_listener_set_ana_state(args):
2612        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2613                                                       nqn=args.nqn,
2614                                                       ana_state=args.ana_state,
2615                                                       trtype=args.trtype,
2616                                                       traddr=args.traddr,
2617                                                       tgt_name=args.tgt_name,
2618                                                       adrfam=args.adrfam,
2619                                                       trsvcid=args.trsvcid,
2620                                                       anagrpid=args.anagrpid)
2621
2622    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2623    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2624    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2625    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2626    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2627    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2628    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2629    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2630    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2631    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2632
2633    def nvmf_discovery_add_referral(args):
2634        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2635
2636    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2637    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2638    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2639    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2640    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2641    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2642    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2643                   action="store_true")
2644    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2645    p.set_defaults(func=nvmf_discovery_add_referral)
2646
2647    def nvmf_discovery_remove_referral(args):
2648        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2649                                                trtype=args.trtype,
2650                                                traddr=args.traddr,
2651                                                tgt_name=args.tgt_name,
2652                                                adrfam=args.adrfam,
2653                                                trsvcid=args.trsvcid,
2654                                                subnqn=args.subnqn)
2655
2656    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2657    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2658    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2659    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2660    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2661    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2662    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2663    p.set_defaults(func=nvmf_discovery_remove_referral)
2664
2665    def nvmf_discovery_get_referrals(args):
2666        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2667                                                         tgt_name=args.tgt_name))
2668
2669    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2670                              help='Display discovery subsystem referrals of an NVMe-oF target')
2671    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2672    p.set_defaults(func=nvmf_discovery_get_referrals)
2673
2674    def nvmf_subsystem_add_ns(args):
2675        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2676
2677    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2678    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2679    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2680    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2681    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2682    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2683    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2684    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2685    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2686    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2687    p.add_argument('-i', '--no-auto-visible', action='store_true',
2688                   help='Do not auto make namespace visible to controllers (optional)')
2689    p.set_defaults(func=nvmf_subsystem_add_ns)
2690
2691    def nvmf_subsystem_remove_ns(args):
2692        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2693                                          nqn=args.nqn,
2694                                          nsid=args.nsid,
2695                                          tgt_name=args.tgt_name)
2696
2697    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2698    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2699    p.add_argument('nsid', help='The requested NSID', type=int)
2700    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2701    p.set_defaults(func=nvmf_subsystem_remove_ns)
2702
2703    def nvmf_ns_add_host(args):
2704        rpc.nvmf.nvmf_ns_visible(True,
2705                                 args.client,
2706                                 nqn=args.nqn,
2707                                 nsid=args.nsid,
2708                                 host=args.host,
2709                                 tgt_name=args.tgt_name)
2710
2711    def nvmf_ns_visible_add_args(p):
2712        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2713        p.add_argument('nsid', help='The requested NSID', type=int)
2714        p.add_argument('host', help='Host NQN to make namespace visible to')
2715        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2716
2717    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2718    nvmf_ns_visible_add_args(p)
2719    p.set_defaults(func=nvmf_ns_add_host)
2720
2721    def nvmf_ns_remove_host(args):
2722        rpc.nvmf.nvmf_ns_visible(False,
2723                                 args.client,
2724                                 nqn=args.nqn,
2725                                 nsid=args.nsid,
2726                                 host=args.host,
2727                                 tgt_name=args.tgt_name)
2728
2729    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2730    nvmf_ns_visible_add_args(p)
2731    p.set_defaults(func=nvmf_ns_remove_host)
2732
2733    def nvmf_subsystem_add_host(args):
2734        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2735                                         nqn=args.nqn,
2736                                         host=args.host,
2737                                         tgt_name=args.tgt_name,
2738                                         psk=args.psk)
2739
2740    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2741    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2742    p.add_argument('host', help='Host NQN to allow')
2743    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2744    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2745    p.set_defaults(func=nvmf_subsystem_add_host)
2746
2747    def nvmf_subsystem_remove_host(args):
2748        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2749                                            nqn=args.nqn,
2750                                            host=args.host,
2751                                            tgt_name=args.tgt_name)
2752
2753    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2754    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2755    p.add_argument('host', help='Host NQN to remove')
2756    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2757    p.set_defaults(func=nvmf_subsystem_remove_host)
2758
2759    def nvmf_subsystem_allow_any_host(args):
2760        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2761                                               nqn=args.nqn,
2762                                               disable=args.disable,
2763                                               tgt_name=args.tgt_name)
2764
2765    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2766    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2767    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2768    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2769    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2770    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2771
2772    def nvmf_subsystem_get_controllers(args):
2773        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2774                                                           nqn=args.nqn,
2775                                                           tgt_name=args.tgt_name))
2776
2777    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2778                              help='Display controllers of an NVMe-oF subsystem.')
2779    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2780    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2781    p.set_defaults(func=nvmf_subsystem_get_controllers)
2782
2783    def nvmf_subsystem_get_qpairs(args):
2784        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2785                                                      nqn=args.nqn,
2786                                                      tgt_name=args.tgt_name))
2787
2788    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2789                              help='Display queue pairs of an NVMe-oF subsystem.')
2790    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2791    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2792    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2793
2794    def nvmf_subsystem_get_listeners(args):
2795        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2796                                                         nqn=args.nqn,
2797                                                         tgt_name=args.tgt_name))
2798
2799    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2800                              help='Display listeners of an NVMe-oF subsystem.')
2801    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2802    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2803    p.set_defaults(func=nvmf_subsystem_get_listeners)
2804
2805    def nvmf_get_stats(args):
2806        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2807
2808    p = subparsers.add_parser(
2809        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2810    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2811    p.set_defaults(func=nvmf_get_stats)
2812
2813    def nvmf_set_crdt(args):
2814        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2815
2816    p = subparsers.add_parser(
2817        'nvmf_set_crdt',
2818        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2819        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2820    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2821    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2822    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2823    p.set_defaults(func=nvmf_set_crdt)
2824
2825    # subsystem
2826    def framework_get_subsystems(args):
2827        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2828
2829    p = subparsers.add_parser('framework_get_subsystems',
2830                              help="""Print subsystems array in initialization order. Each subsystem
2831    entry contain (unsorted) array of subsystems it depends on.""")
2832    p.set_defaults(func=framework_get_subsystems)
2833
2834    def framework_get_config(args):
2835        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2836
2837    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2838    p.add_argument('name', help='Name of subsystem to query')
2839    p.set_defaults(func=framework_get_config)
2840
2841    # vhost
2842    def vhost_controller_set_coalescing(args):
2843        rpc.vhost.vhost_controller_set_coalescing(args.client,
2844                                                  ctrlr=args.ctrlr,
2845                                                  delay_base_us=args.delay_base_us,
2846                                                  iops_threshold=args.iops_threshold)
2847
2848    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2849    p.add_argument('ctrlr', help='controller name')
2850    p.add_argument('delay_base_us', help='Base delay time', type=int)
2851    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2852    p.set_defaults(func=vhost_controller_set_coalescing)
2853
2854    def virtio_blk_create_transport(args):
2855        rpc.vhost.virtio_blk_create_transport(**vars(args))
2856
2857    p = subparsers.add_parser('virtio_blk_create_transport',
2858                              help='Create virtio blk transport')
2859    p.add_argument('name', help='transport name')
2860    p.set_defaults(func=virtio_blk_create_transport)
2861
2862    def virtio_blk_get_transports(args):
2863        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2864
2865    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2866    p.add_argument('--name', help='Transport name (optional)', type=str)
2867    p.set_defaults(func=virtio_blk_get_transports)
2868
2869    def vhost_create_scsi_controller(args):
2870        rpc.vhost.vhost_create_scsi_controller(args.client,
2871                                               ctrlr=args.ctrlr,
2872                                               cpumask=args.cpumask,
2873                                               delay=args.delay)
2874
2875    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2876    p.add_argument('ctrlr', help='controller name')
2877    p.add_argument('--cpumask', help='cpu mask for this controller')
2878    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2879    p.set_defaults(func=vhost_create_scsi_controller)
2880
2881    def vhost_start_scsi_controller(args):
2882        rpc.vhost.vhost_start_scsi_controller(args.client,
2883                                              ctrlr=args.ctrlr)
2884
2885    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2886    p.add_argument('ctrlr', help='controller name')
2887    p.set_defaults(func=vhost_start_scsi_controller)
2888
2889    def vhost_scsi_controller_add_target(args):
2890        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2891                                                              ctrlr=args.ctrlr,
2892                                                              scsi_target_num=args.scsi_target_num,
2893                                                              bdev_name=args.bdev_name))
2894
2895    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2896    p.add_argument('ctrlr', help='controller name where add lun')
2897    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2898    p.add_argument('bdev_name', help='bdev name')
2899    p.set_defaults(func=vhost_scsi_controller_add_target)
2900
2901    def vhost_scsi_controller_remove_target(args):
2902        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2903                                                      ctrlr=args.ctrlr,
2904                                                      scsi_target_num=args.scsi_target_num)
2905
2906    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2907                              help='Remove target from vhost controller')
2908    p.add_argument('ctrlr', help='controller name to remove target from')
2909    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2910    p.set_defaults(func=vhost_scsi_controller_remove_target)
2911
2912    def vhost_create_blk_controller(args):
2913        rpc.vhost.vhost_create_blk_controller(**vars(args))
2914
2915    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2916    p.add_argument('ctrlr', help='controller name')
2917    p.add_argument('dev_name', help='device name')
2918    p.add_argument('--cpumask', help='cpu mask for this controller')
2919    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2920    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2921    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2922    p.set_defaults(func=vhost_create_blk_controller)
2923
2924    def vhost_get_controllers(args):
2925        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2926
2927    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2928    p.add_argument('-n', '--name', help="Name of vhost controller")
2929    p.set_defaults(func=vhost_get_controllers)
2930
2931    def vhost_delete_controller(args):
2932        rpc.vhost.vhost_delete_controller(args.client,
2933                                          ctrlr=args.ctrlr)
2934
2935    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2936    p.add_argument('ctrlr', help='controller name')
2937    p.set_defaults(func=vhost_delete_controller)
2938
2939    def bdev_virtio_attach_controller(args):
2940        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2941                                                            name=args.name,
2942                                                            trtype=args.trtype,
2943                                                            traddr=args.traddr,
2944                                                            dev_type=args.dev_type,
2945                                                            vq_count=args.vq_count,
2946                                                            vq_size=args.vq_size))
2947
2948    p = subparsers.add_parser('bdev_virtio_attach_controller',
2949                              help="""Attach virtio controller using provided
2950    transport type and device type. This will also create bdevs for any block devices connected to the
2951    controller (for example, SCSI devices for a virtio-scsi controller).
2952    Result is array of added bdevs.""")
2953    p.add_argument('name', help="Use this name as base for new created bdevs")
2954    p.add_argument('-t', '--trtype',
2955                   help='Virtio target transport type: pci or user', required=True)
2956    p.add_argument('-a', '--traddr',
2957                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2958    p.add_argument('-d', '--dev-type',
2959                   help='Device type: blk or scsi', required=True)
2960    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2961    p.add_argument('--vq-size', help='Size of each queue', type=int)
2962    p.set_defaults(func=bdev_virtio_attach_controller)
2963
2964    def bdev_virtio_scsi_get_devices(args):
2965        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2966
2967    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
2968    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2969
2970    def bdev_virtio_detach_controller(args):
2971        rpc.vhost.bdev_virtio_detach_controller(args.client,
2972                                                name=args.name)
2973
2974    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
2975    This will delete all bdevs exposed by this device""")
2976    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2977    p.set_defaults(func=bdev_virtio_detach_controller)
2978
2979    def bdev_virtio_blk_set_hotplug(args):
2980        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2981
2982    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2983    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2984    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2985    p.add_argument('-r', '--period-us',
2986                   help='How often the hotplug is processed for insert and remove events', type=int)
2987    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2988
2989    # vfio-user target
2990    def vfu_tgt_set_base_path(args):
2991        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
2992
2993    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
2994    p.add_argument('path', help='socket base path')
2995    p.set_defaults(func=vfu_tgt_set_base_path)
2996
2997    def vfu_virtio_delete_endpoint(args):
2998        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
2999
3000    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3001    p.add_argument('name', help='Endpoint name')
3002    p.set_defaults(func=vfu_virtio_delete_endpoint)
3003
3004    def vfu_virtio_create_blk_endpoint(args):
3005        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3006                                                     name=args.name,
3007                                                     bdev_name=args.bdev_name,
3008                                                     cpumask=args.cpumask,
3009                                                     num_queues=args.num_queues,
3010                                                     qsize=args.qsize,
3011                                                     packed_ring=args.packed_ring)
3012
3013    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3014    p.add_argument('name', help='Name of the endpoint')
3015    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3016    p.add_argument('--cpumask', help='CPU masks')
3017    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3018    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3019    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3020    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3021
3022    def vfu_virtio_scsi_add_target(args):
3023        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3024                                                 name=args.name,
3025                                                 scsi_target_num=args.scsi_target_num,
3026                                                 bdev_name=args.bdev_name)
3027
3028    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3029    p.add_argument('name', help='Name of the endpoint')
3030    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3031    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3032    p.set_defaults(func=vfu_virtio_scsi_add_target)
3033
3034    def vfu_virtio_scsi_remove_target(args):
3035        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3036                                                    name=args.name,
3037                                                    scsi_target_num=args.scsi_target_num)
3038
3039    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3040    p.add_argument('name', help='Name of the endpoint')
3041    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3042    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3043
3044    def vfu_virtio_create_scsi_endpoint(args):
3045        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3046                                                      name=args.name,
3047                                                      cpumask=args.cpumask,
3048                                                      num_io_queues=args.num_io_queues,
3049                                                      qsize=args.qsize,
3050                                                      packed_ring=args.packed_ring)
3051
3052    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3053    p.add_argument('name', help='Name of the endpoint')
3054    p.add_argument('--cpumask', help='CPU masks')
3055    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3056    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3057    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3058    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3059
3060    # accel_fw
3061    def accel_get_opc_assignments(args):
3062        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3063
3064    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3065    p.set_defaults(func=accel_get_opc_assignments)
3066
3067    def accel_get_module_info(args):
3068        print_dict(rpc.accel.accel_get_module_info(args.client))
3069
3070    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3071                              help='Get list of valid module names and their operations.')
3072    p.set_defaults(func=accel_get_module_info)
3073
3074    def accel_assign_opc(args):
3075        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3076
3077    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3078    p.add_argument('-o', '--opname', help='opname')
3079    p.add_argument('-m', '--module', help='name of module')
3080    p.set_defaults(func=accel_assign_opc)
3081
3082    def accel_crypto_key_create(args):
3083        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3084                                                     cipher=args.cipher,
3085                                                     key=args.key,
3086                                                     key2=args.key2,
3087                                                     tweak_mode=args.tweak_mode,
3088                                                     name=args.name))
3089
3090    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3091    p.add_argument('-c', '--cipher', help='cipher', required=True)
3092    p.add_argument('-k', '--key', help='key', required=True)
3093    p.add_argument('-e', '--key2', help='key2', default=None)
3094    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3095    p.add_argument('-n', '--name', help='key name', required=True)
3096    p.set_defaults(func=accel_crypto_key_create)
3097
3098    def accel_crypto_key_destroy(args):
3099        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3100                                                      key_name=args.name))
3101
3102    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3103    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3104    p.set_defaults(func=accel_crypto_key_destroy)
3105
3106    def accel_crypto_keys_get(args):
3107        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3108                                                   key_name=args.key_name))
3109
3110    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3111    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3112    p.set_defaults(func=accel_crypto_keys_get)
3113
3114    def accel_set_driver(args):
3115        rpc.accel.accel_set_driver(args.client, name=args.name)
3116
3117    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3118                              'operation chains')
3119    p.add_argument('name', help='name of the platform driver')
3120    p.set_defaults(func=accel_set_driver)
3121
3122    def accel_set_options(args):
3123        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3124                                    args.task_count, args.sequence_count, args.buf_count)
3125
3126    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3127    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3128    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3129    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3130    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3131    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3132    p.set_defaults(func=accel_set_options)
3133
3134    def accel_get_stats(args):
3135        print_dict(rpc.accel.accel_get_stats(args.client))
3136
3137    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3138    p.set_defaults(func=accel_get_stats)
3139
3140    # ioat
3141    def ioat_scan_accel_module(args):
3142        rpc.ioat.ioat_scan_accel_module(args.client)
3143
3144    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3145                              help='Enable IOAT accel module offload.')
3146    p.set_defaults(func=ioat_scan_accel_module)
3147
3148    # dpdk compressdev
3149    def compressdev_scan_accel_module(args):
3150        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3151
3152    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3153    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3154    p.set_defaults(func=compressdev_scan_accel_module)
3155
3156    # dsa
3157    def dsa_scan_accel_module(args):
3158        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3159
3160    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3161                              help='Set config and enable dsa accel module offload.')
3162    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3163                   action='store_true', dest='config_kernel_mode')
3164    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3165
3166    # iaa
3167    def iaa_scan_accel_module(args):
3168        rpc.iaa.iaa_scan_accel_module(args.client)
3169
3170    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3171                              help='Set config and enable iaa accel module offload.')
3172    p.set_defaults(func=iaa_scan_accel_module)
3173
3174    def dpdk_cryptodev_scan_accel_module(args):
3175        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3176
3177    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3178                              help='Enable dpdk_cryptodev accel module offload.')
3179    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3180
3181    def dpdk_cryptodev_set_driver(args):
3182        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3183                                                     driver_name=args.driver_name)
3184
3185    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3186                              help='Set the DPDK cryptodev driver.')
3187    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3188    p.set_defaults(func=dpdk_cryptodev_set_driver)
3189
3190    def dpdk_cryptodev_get_driver(args):
3191        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3192
3193    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3194    p.set_defaults(func=dpdk_cryptodev_get_driver)
3195
3196    # mlx5
3197    def mlx5_scan_accel_module(args):
3198        rpc.mlx5.mlx5_scan_accel_module(args.client,
3199                                        qp_size=args.qp_size,
3200                                        num_requests=args.num_requests)
3201
3202    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3203    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3204    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3205    p.set_defaults(func=mlx5_scan_accel_module)
3206
3207    # accel_error
3208    def accel_error_inject_error(args):
3209        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3210                                           type=args.type, count=args.count,
3211                                           interval=args.interval, errcode=args.errcode)
3212
3213    p = subparsers.add_parser('accel_error_inject_error',
3214                              help='Inject an error to processing accel operation')
3215    p.add_argument('-o', '--opcode', help='Opcode')
3216    p.add_argument('-t', '--type',
3217                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3218    p.add_argument('-c', '--count', type=int,
3219                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3220    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3221    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3222    p.set_defaults(func=accel_error_inject_error)
3223
3224    # opal
3225    def bdev_nvme_opal_init(args):
3226        rpc.nvme.bdev_nvme_opal_init(args.client,
3227                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3228                                     password=args.password)
3229
3230    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3231    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3232    p.add_argument('-p', '--password', help='password for admin')
3233    p.set_defaults(func=bdev_nvme_opal_init)
3234
3235    def bdev_nvme_opal_revert(args):
3236        rpc.nvme.bdev_nvme_opal_revert(args.client,
3237                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3238                                       password=args.password)
3239    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3240    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3241    p.add_argument('-p', '--password', help='password')
3242    p.set_defaults(func=bdev_nvme_opal_revert)
3243
3244    def bdev_opal_create(args):
3245        print_json(rpc.bdev.bdev_opal_create(args.client,
3246                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3247                                             nsid=args.nsid,
3248                                             locking_range_id=args.locking_range_id,
3249                                             range_start=args.range_start,
3250                                             range_length=args.range_length,
3251                                             password=args.password))
3252
3253    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3254    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3255    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3256    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3257    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3258    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3259    p.add_argument('-p', '--password', help='admin password', required=True)
3260    p.set_defaults(func=bdev_opal_create)
3261
3262    def bdev_opal_get_info(args):
3263        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3264                                               bdev_name=args.bdev_name,
3265                                               password=args.password))
3266
3267    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3268    p.add_argument('-b', '--bdev-name', help='opal bdev')
3269    p.add_argument('-p', '--password', help='password')
3270    p.set_defaults(func=bdev_opal_get_info)
3271
3272    def bdev_opal_delete(args):
3273        rpc.bdev.bdev_opal_delete(args.client,
3274                                  bdev_name=args.bdev_name,
3275                                  password=args.password)
3276
3277    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3278    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3279    p.add_argument('-p', '--password', help='admin password', required=True)
3280    p.set_defaults(func=bdev_opal_delete)
3281
3282    def bdev_opal_new_user(args):
3283        rpc.bdev.bdev_opal_new_user(args.client,
3284                                    bdev_name=args.bdev_name,
3285                                    admin_password=args.admin_password,
3286                                    user_id=args.user_id,
3287                                    user_password=args.user_password)
3288
3289    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3290    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3291    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3292    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3293    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3294    p.set_defaults(func=bdev_opal_new_user)
3295
3296    def bdev_opal_set_lock_state(args):
3297        rpc.bdev.bdev_opal_set_lock_state(args.client,
3298                                          bdev_name=args.bdev_name,
3299                                          user_id=args.user_id,
3300                                          password=args.password,
3301                                          lock_state=args.lock_state)
3302
3303    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3304    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3305    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',
3306                   type=int, required=True)
3307    p.add_argument('-p', '--password', help='password of this user', required=True)
3308    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3309    p.set_defaults(func=bdev_opal_set_lock_state)
3310
3311    # bdev_nvme_send_cmd
3312    def bdev_nvme_send_cmd(args):
3313        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3314                                               name=args.nvme_name,
3315                                               cmd_type=args.cmd_type,
3316                                               data_direction=args.data_direction,
3317                                               cmdbuf=args.cmdbuf,
3318                                               data=args.data,
3319                                               metadata=args.metadata,
3320                                               data_len=args.data_length,
3321                                               metadata_len=args.metadata_length,
3322                                               timeout_ms=args.timeout_ms))
3323
3324    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3325    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3326    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3327    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3328    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3329    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3330    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3331    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3332    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3333    p.add_argument('-T', '--timeout-ms',
3334                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3335    p.set_defaults(func=bdev_nvme_send_cmd)
3336
3337    # Notifications
3338    def notify_get_types(args):
3339        print_dict(rpc.notify.notify_get_types(args.client))
3340
3341    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3342    p.set_defaults(func=notify_get_types)
3343
3344    def notify_get_notifications(args):
3345        ret = rpc.notify.notify_get_notifications(args.client,
3346                                                  id=args.id,
3347                                                  max=args.max)
3348        print_dict(ret)
3349
3350    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3351    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3352    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3353    p.set_defaults(func=notify_get_notifications)
3354
3355    def thread_get_stats(args):
3356        print_dict(rpc.app.thread_get_stats(args.client))
3357
3358    p = subparsers.add_parser(
3359        'thread_get_stats', help='Display current statistics of all the threads')
3360    p.set_defaults(func=thread_get_stats)
3361
3362    def thread_set_cpumask(args):
3363        ret = rpc.app.thread_set_cpumask(args.client,
3364                                         id=args.id,
3365                                         cpumask=args.cpumask)
3366    p = subparsers.add_parser('thread_set_cpumask',
3367                              help="""set the cpumask of the thread whose ID matches to the
3368    specified value. The thread may be migrated to one of the specified CPUs.""")
3369    p.add_argument('-i', '--id', type=int, help='thread ID')
3370    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3371    p.set_defaults(func=thread_set_cpumask)
3372
3373    def log_enable_timestamps(args):
3374        ret = rpc.app.log_enable_timestamps(args.client,
3375                                            enabled=args.enabled)
3376    p = subparsers.add_parser('log_enable_timestamps',
3377                              help='Enable or disable timestamps.')
3378    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3379    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3380    p.set_defaults(func=log_enable_timestamps)
3381
3382    def thread_get_pollers(args):
3383        print_dict(rpc.app.thread_get_pollers(args.client))
3384
3385    p = subparsers.add_parser(
3386        'thread_get_pollers', help='Display current pollers of all the threads')
3387    p.set_defaults(func=thread_get_pollers)
3388
3389    def thread_get_io_channels(args):
3390        print_dict(rpc.app.thread_get_io_channels(args.client))
3391
3392    p = subparsers.add_parser(
3393        'thread_get_io_channels', help='Display current IO channels of all the threads')
3394    p.set_defaults(func=thread_get_io_channels)
3395
3396    def env_dpdk_get_mem_stats(args):
3397        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3398
3399    p = subparsers.add_parser(
3400        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3401    p.set_defaults(func=env_dpdk_get_mem_stats)
3402
3403    # blobfs
3404    def blobfs_detect(args):
3405        print(rpc.blobfs.blobfs_detect(args.client,
3406                                       bdev_name=args.bdev_name))
3407
3408    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3409    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3410    p.set_defaults(func=blobfs_detect)
3411
3412    def blobfs_create(args):
3413        print(rpc.blobfs.blobfs_create(args.client,
3414                                       bdev_name=args.bdev_name,
3415                                       cluster_sz=args.cluster_sz))
3416
3417    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3418    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3419    p.add_argument('-c', '--cluster-sz',
3420                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3421    p.set_defaults(func=blobfs_create)
3422
3423    def blobfs_mount(args):
3424        print(rpc.blobfs.blobfs_mount(args.client,
3425                                      bdev_name=args.bdev_name,
3426                                      mountpoint=args.mountpoint))
3427
3428    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3429    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3430    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3431    p.set_defaults(func=blobfs_mount)
3432
3433    def blobfs_set_cache_size(args):
3434        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3435                                               size_in_mb=args.size_in_mb))
3436
3437    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3438    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3439    p.set_defaults(func=blobfs_set_cache_size)
3440
3441    # sock
3442    def sock_impl_get_options(args):
3443        print_json(rpc.sock.sock_impl_get_options(args.client,
3444                                                  impl_name=args.impl))
3445
3446    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3447    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3448    p.set_defaults(func=sock_impl_get_options)
3449
3450    def sock_impl_set_options(args):
3451        rpc.sock.sock_impl_set_options(args.client,
3452                                       impl_name=args.impl,
3453                                       recv_buf_size=args.recv_buf_size,
3454                                       send_buf_size=args.send_buf_size,
3455                                       enable_recv_pipe=args.enable_recv_pipe,
3456                                       enable_quickack=args.enable_quickack,
3457                                       enable_placement_id=args.enable_placement_id,
3458                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3459                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3460                                       zerocopy_threshold=args.zerocopy_threshold,
3461                                       tls_version=args.tls_version,
3462                                       enable_ktls=args.enable_ktls)
3463
3464    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3465    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3466    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3467    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3468    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3469    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3470                   action='store_true', dest='enable_recv_pipe')
3471    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3472                   action='store_false', dest='enable_recv_pipe')
3473    p.add_argument('--enable-quickack', help='Enable quick ACK',
3474                   action='store_true', dest='enable_quickack')
3475    p.add_argument('--disable-quickack', help='Disable quick ACK',
3476                   action='store_false', dest='enable_quickack')
3477    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3478                   action='store_true', dest='enable_zerocopy_send_server')
3479    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3480                   action='store_false', dest='enable_zerocopy_send_server')
3481    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3482                   action='store_true', dest='enable_zerocopy_send_client')
3483    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3484                   action='store_false', dest='enable_zerocopy_send_client')
3485    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3486    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3487    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3488                   action='store_true', dest='enable_ktls')
3489    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3490                   action='store_false', dest='enable_ktls')
3491    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3492                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3493                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3494
3495    def sock_set_default_impl(args):
3496        print_json(rpc.sock.sock_set_default_impl(args.client,
3497                                                  impl_name=args.impl))
3498
3499    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3500    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3501    p.set_defaults(func=sock_set_default_impl)
3502
3503    def framework_get_pci_devices(args):
3504        def splitbuf(buf, step):
3505            return [buf[i:i+step] for i in range(0, len(buf), step)]
3506
3507        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3508        if not args.format_lspci:
3509            print_json(devices)
3510        else:
3511            for devid, dev in enumerate(devices):
3512                print('{} device #{}'.format(dev['address'], devid))
3513                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3514                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3515                print()
3516
3517    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3518    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3519                   action='store_true')
3520    p.set_defaults(func=framework_get_pci_devices)
3521
3522    # bdev_nvme_add_error_injection
3523    def bdev_nvme_add_error_injection(args):
3524        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3525                                                          name=args.nvme_name,
3526                                                          cmd_type=args.cmd_type,
3527                                                          opc=args.opc,
3528                                                          do_not_submit=args.do_not_submit,
3529                                                          timeout_in_us=args.timeout_in_us,
3530                                                          err_count=args.err_count,
3531                                                          sct=args.sct,
3532                                                          sc=args.sc))
3533    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3534                              help='Add a NVMe command error injection.')
3535    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3536    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3537    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3538    p.add_argument('-s', '--do-not-submit',
3539                   help="""Set to true if request should not be submitted to the controller""",
3540                   dest="do_not_submit", action='store_true')
3541    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3542    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3543    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3544    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3545    p.set_defaults(func=bdev_nvme_add_error_injection)
3546
3547    # bdev_nvme_remove_error_injection
3548    def bdev_nvme_remove_error_injection(args):
3549        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3550                                                             name=args.nvme_name,
3551                                                             cmd_type=args.cmd_type,
3552                                                             opc=args.opc))
3553    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3554                              help='Removes a NVMe command error injection.')
3555    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3556    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3557    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3558    p.set_defaults(func=bdev_nvme_remove_error_injection)
3559
3560    def bdev_daos_create(args):
3561        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3562        print_json(rpc.bdev.bdev_daos_create(args.client,
3563                                             num_blocks=int(num_blocks),
3564                                             block_size=args.block_size,
3565                                             name=args.name,
3566                                             uuid=args.uuid,
3567                                             pool=args.pool,
3568                                             cont=args.cont,
3569                                             oclass=args.oclass))
3570    p = subparsers.add_parser('bdev_daos_create',
3571                              help='Create a bdev with DAOS backend')
3572    p.add_argument('name', help="Name of the bdev")
3573    p.add_argument('pool', help="UUID of the DAOS pool")
3574    p.add_argument('cont', help="UUID of the DAOS container")
3575    p.add_argument(
3576        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3577    p.add_argument('block_size', help='Block size for this bdev', type=int)
3578    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3579    p.add_argument('-o', '--oclass', help="DAOS object class")
3580    p.set_defaults(func=bdev_daos_create)
3581
3582    def bdev_daos_delete(args):
3583        rpc.bdev.bdev_daos_delete(args.client,
3584                                  name=args.name)
3585
3586    p = subparsers.add_parser('bdev_daos_delete',
3587                              help='Delete a DAOS disk')
3588    p.add_argument('name', help='DAOS bdev name')
3589    p.set_defaults(func=bdev_daos_delete)
3590
3591    def bdev_daos_resize(args):
3592        print_json(rpc.bdev.bdev_daos_resize(args.client,
3593                                             name=args.name,
3594                                             new_size=int(args.new_size)))
3595
3596    p = subparsers.add_parser('bdev_daos_resize',
3597                              help='Resize a DAOS bdev')
3598    p.add_argument('name', help='DAOS bdev name')
3599    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3600    p.set_defaults(func=bdev_daos_resize)
3601
3602    def iobuf_set_options(args):
3603        rpc.iobuf.iobuf_set_options(args.client,
3604                                    small_pool_count=args.small_pool_count,
3605                                    large_pool_count=args.large_pool_count,
3606                                    small_bufsize=args.small_bufsize,
3607                                    large_bufsize=args.large_bufsize)
3608    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3609    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3610    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3611    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3612    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3613    p.set_defaults(func=iobuf_set_options)
3614
3615    def iobuf_get_stats(args):
3616        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3617
3618    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3619    p.set_defaults(func=iobuf_get_stats)
3620
3621    def bdev_nvme_start_mdns_discovery(args):
3622        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3623                                                name=args.name,
3624                                                svcname=args.svcname,
3625                                                hostnqn=args.hostnqn)
3626
3627    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3628    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3629    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3630    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3631    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3632
3633    def bdev_nvme_stop_mdns_discovery(args):
3634        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3635
3636    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3637    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3638    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3639
3640    def bdev_nvme_get_mdns_discovery_info(args):
3641        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3642
3643    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3644    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3645
3646    def keyring_file_add_key(args):
3647        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3648
3649    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3650    p.add_argument('name', help='Name of the key to add')
3651    p.add_argument('path', help='Path of the file containing the key')
3652    p.set_defaults(func=keyring_file_add_key)
3653
3654    def keyring_file_remove_key(args):
3655        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3656
3657    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3658    p.add_argument('name', help='Name of the key to remove')
3659    p.set_defaults(func=keyring_file_remove_key)
3660
3661    def keyring_get_keys(args):
3662        print_dict(rpc.keyring.keyring_get_keys(args.client))
3663
3664    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3665    p.set_defaults(func=keyring_get_keys)
3666
3667    def keyring_linux_set_options(args):
3668        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3669
3670    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3671    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3672    p.set_defaults(func=keyring_linux_set_options)
3673
3674    def check_called_name(name):
3675        if name in deprecated_aliases:
3676            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3677
3678    class dry_run_client:
3679        def call(self, method, params=None):
3680            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3681
3682    def null_print(arg):
3683        pass
3684
3685    def call_rpc_func(args):
3686        args.func(args)
3687        check_called_name(args.called_rpc_name)
3688
3689    def execute_script(parser, client, fd):
3690        executed_rpc = ""
3691        for rpc_call in map(str.rstrip, fd):
3692            if not rpc_call.strip():
3693                continue
3694            executed_rpc = "\n".join([executed_rpc, rpc_call])
3695            rpc_args = shlex.split(rpc_call)
3696            if rpc_args[0][0] == '#':
3697                # Ignore lines starting with # - treat them as comments
3698                continue
3699            args = parser.parse_args(rpc_args)
3700            args.client = client
3701            try:
3702                call_rpc_func(args)
3703            except JSONRPCException as ex:
3704                print("Exception:")
3705                print(executed_rpc.strip() + " <<<")
3706                print(ex.message)
3707                exit(1)
3708
3709    def load_plugin(args):
3710        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3711        plugin_parser = argparse.ArgumentParser(add_help=False)
3712        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3713
3714        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3715        if args is not None:
3716            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3717
3718        if rpc_module in plugins:
3719            return
3720
3721        if rpc_module is not None:
3722            try:
3723                rpc_plugin = importlib.import_module(rpc_module)
3724                try:
3725                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3726                    plugins.append(rpc_module)
3727                except AttributeError:
3728                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3729            except ModuleNotFoundError:
3730                print("Module %s not found" % rpc_module)
3731
3732    def replace_arg_underscores(args):
3733        # All option names are defined with dashes only - for example: --tgt-name
3734        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3735        # SPDK was inconsistent previously and had some options with underscores, so
3736        # doing this conversion ensures backward compatibility with older scripts.
3737        for i in range(len(args)):
3738            arg = args[i]
3739            if arg.startswith('--') and "_" in arg:
3740                opt, *vals = arg.split('=')
3741                args[i] = '='.join([opt.replace('_', '-'), *vals])
3742
3743    plugins = []
3744    load_plugin(None)
3745
3746    replace_arg_underscores(sys.argv)
3747
3748    args = parser.parse_args()
3749
3750    try:
3751        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3752    except ValueError:
3753        use_go_client = False
3754
3755    if sys.stdin.isatty() and not hasattr(args, 'func'):
3756        # No arguments and no data piped through stdin
3757        parser.print_help()
3758        exit(1)
3759    if args.is_server:
3760        for input in sys.stdin:
3761            cmd = shlex.split(input)
3762            replace_arg_underscores(cmd)
3763            try:
3764                load_plugin(cmd)
3765                tmp_args = parser.parse_args(cmd)
3766            except SystemExit as ex:
3767                print("**STATUS=1", flush=True)
3768                continue
3769
3770            try:
3771                if use_go_client:
3772                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3773                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3774                else:
3775                    tmp_args.client = rpc.client.JSONRPCClient(
3776                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3777                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3778                call_rpc_func(tmp_args)
3779                print("**STATUS=0", flush=True)
3780            except JSONRPCException as ex:
3781                print(ex.message)
3782                print("**STATUS=1", flush=True)
3783        exit(0)
3784    elif args.dry_run:
3785        args.client = dry_run_client()
3786        print_dict = null_print
3787        print_json = null_print
3788        print_array = null_print
3789    elif args.go_client or use_go_client:
3790        try:
3791            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3792                                                     log_level=getattr(logging, args.verbose.upper()))
3793        except JSONRPCException as ex:
3794            print(ex.message)
3795            exit(1)
3796    else:
3797        try:
3798            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3799                                                   log_level=getattr(logging, args.verbose.upper()),
3800                                                   conn_retries=args.conn_retries)
3801        except JSONRPCException as ex:
3802            print(ex.message)
3803            exit(1)
3804
3805    if hasattr(args, 'func'):
3806        try:
3807            call_rpc_func(args)
3808        except JSONRPCException as ex:
3809            print(ex.message)
3810            exit(1)
3811    else:
3812        execute_script(parser, args.client, sys.stdin)
3813