xref: /spdk/scripts/rpc.py (revision 00311abc73d120a1cf17c8d46749802c380f1688)
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_enable_histogram(args):
1500        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1501
1502    p = subparsers.add_parser('iscsi_enable_histogram',
1503                              help='Enable or disable histogram for specified iscsi target')
1504    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1505    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1506    p.add_argument('name', help='iscsi target name')
1507    p.set_defaults(func=iscsi_enable_histogram)
1508
1509    def iscsi_get_histogram(args):
1510        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1511
1512    p = subparsers.add_parser('iscsi_get_histogram',
1513                              help='Get histogram for specified iscsi target')
1514    p.add_argument('name', help='target name')
1515    p.set_defaults(func=iscsi_get_histogram)
1516
1517    def iscsi_create_target_node(args):
1518        luns = []
1519        for u in args.bdev_name_id_pairs.strip().split(" "):
1520            bdev_name, lun_id = u.split(":")
1521            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1522
1523        pg_ig_maps = []
1524        for u in args.pg_ig_mappings.strip().split(" "):
1525            pg, ig = u.split(":")
1526            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1527
1528        rpc.iscsi.iscsi_create_target_node(
1529            args.client,
1530            luns=luns,
1531            pg_ig_maps=pg_ig_maps,
1532            name=args.name,
1533            alias_name=args.alias_name,
1534            queue_depth=args.queue_depth,
1535            chap_group=args.chap_group,
1536            disable_chap=args.disable_chap,
1537            require_chap=args.require_chap,
1538            mutual_chap=args.mutual_chap,
1539            header_digest=args.header_digest,
1540            data_digest=args.data_digest)
1541
1542    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1543    p.add_argument('name', help='Target node name (ASCII)')
1544    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1545    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1546    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1547    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1548    *** The bdevs must pre-exist ***
1549    *** LUN0 (id = 0) is required ***
1550    *** bdevs names cannot contain space or colon characters ***""")
1551    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1552    Whitespace separated, quoted, mapping defined with colon
1553    separated list of "tags" (int > 0)
1554    Example: '1:1 2:2 2:1'
1555    *** The Portal/Initiator Groups must be precreated ***""")
1556    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1557    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1558    *** Authentication group must be precreated ***""", type=int)
1559    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1560    *** Mutually exclusive with --require-chap ***""", action='store_true')
1561    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1562    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1563    p.add_argument(
1564        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1565    p.add_argument('-H', '--header-digest',
1566                   help='Header Digest should be required for this target node.', action='store_true')
1567    p.add_argument('-D', '--data-digest',
1568                   help='Data Digest should be required for this target node.', action='store_true')
1569    p.set_defaults(func=iscsi_create_target_node)
1570
1571    def iscsi_target_node_add_lun(args):
1572        rpc.iscsi.iscsi_target_node_add_lun(
1573            args.client,
1574            name=args.name,
1575            bdev_name=args.bdev_name,
1576            lun_id=args.lun_id)
1577
1578    p = subparsers.add_parser('iscsi_target_node_add_lun',
1579                              help='Add LUN to the target node')
1580    p.add_argument('name', help='Target node name (ASCII)')
1581    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1582    *** bdev name cannot contain space or colon characters ***""")
1583    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1584    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1585    p.set_defaults(func=iscsi_target_node_add_lun)
1586
1587    def iscsi_target_node_set_auth(args):
1588        rpc.iscsi.iscsi_target_node_set_auth(
1589            args.client,
1590            name=args.name,
1591            chap_group=args.chap_group,
1592            disable_chap=args.disable_chap,
1593            require_chap=args.require_chap,
1594            mutual_chap=args.mutual_chap)
1595
1596    p = subparsers.add_parser('iscsi_target_node_set_auth',
1597                              help='Set CHAP authentication for the target node')
1598    p.add_argument('name', help='Target node name (ASCII)')
1599    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1600    *** Authentication group must be precreated ***""", type=int)
1601    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1602    *** Mutually exclusive with --require-chap ***""", action='store_true')
1603    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1604    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1605    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1606                   action='store_true')
1607    p.set_defaults(func=iscsi_target_node_set_auth)
1608
1609    def iscsi_target_node_add_pg_ig_maps(args):
1610        pg_ig_maps = []
1611        for u in args.pg_ig_mappings.strip().split(" "):
1612            pg, ig = u.split(":")
1613            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1614        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1615            args.client,
1616            pg_ig_maps=pg_ig_maps,
1617            name=args.name)
1618
1619    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1620                              help='Add PG-IG maps to 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_add_pg_ig_maps)
1628
1629    def iscsi_target_node_remove_pg_ig_maps(args):
1630        pg_ig_maps = []
1631        for u in args.pg_ig_mappings.strip().split(" "):
1632            pg, ig = u.split(":")
1633            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1634        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1635            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1636
1637    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1638                              help='Delete PG-IG maps from the target node')
1639    p.add_argument('name', help='Target node name (ASCII)')
1640    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1641    Whitespace separated, quoted, mapping defined with colon
1642    separated list of "tags" (int > 0)
1643    Example: '1:1 2:2 2:1'
1644    *** The Portal/Initiator Groups must be precreated ***""")
1645    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1646
1647    def iscsi_target_node_set_redirect(args):
1648        rpc.iscsi.iscsi_target_node_set_redirect(
1649            args.client,
1650            name=args.name,
1651            pg_tag=args.pg_tag,
1652            redirect_host=args.redirect_host,
1653            redirect_port=args.redirect_port)
1654
1655    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1656                              help="""Update redirect portal of the public portal group for the target node.
1657    Omit redirect host and port to clear previously set redirect settings.""")
1658    p.add_argument('name', help='Target node name (ASCII)')
1659    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1660    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1661    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1662    p.set_defaults(func=iscsi_target_node_set_redirect)
1663
1664    def iscsi_target_node_request_logout(args):
1665        rpc.iscsi.iscsi_target_node_request_logout(
1666            args.client,
1667            name=args.name,
1668            pg_tag=args.pg_tag)
1669
1670    p = subparsers.add_parser('iscsi_target_node_request_logout',
1671                              help="""For the target node, request connections whose portal group tag
1672    match to logout, or request all connections if portal group tag is omitted.""")
1673    p.add_argument('name', help='Target node name (ASCII)')
1674    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1675    p.set_defaults(func=iscsi_target_node_request_logout)
1676
1677    def iscsi_create_portal_group(args):
1678        portals = []
1679        for p in args.portal_list.strip().split(' '):
1680            ip, separator, port_cpumask = p.rpartition(':')
1681            split_port_cpumask = port_cpumask.split('@')
1682            if len(split_port_cpumask) == 1:
1683                port = port_cpumask
1684                portals.append({'host': ip, 'port': port})
1685            else:
1686                port = split_port_cpumask[0]
1687                cpumask = split_port_cpumask[1]
1688                portals.append({'host': ip, 'port': port})
1689                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1690        rpc.iscsi.iscsi_create_portal_group(
1691            args.client,
1692            portals=portals,
1693            tag=args.tag,
1694            private=args.private,
1695            wait=args.wait)
1696
1697    p = subparsers.add_parser('iscsi_create_portal_group',
1698                              help='Add a portal group')
1699    p.add_argument(
1700        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1701    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1702    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1703    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1704    Private portal groups do not have their portals returned by a discovery session. A public
1705    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1706    portal must be from a private portal group.""", action='store_true')
1707    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1708    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1709    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1710    p.set_defaults(func=iscsi_create_portal_group)
1711
1712    def iscsi_start_portal_group(args):
1713        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1714
1715    p = subparsers.add_parser('iscsi_start_portal_group',
1716                              help='Start listening on portals if it is not started yet.')
1717    p.add_argument(
1718        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1719    p.set_defaults(func=iscsi_start_portal_group)
1720
1721    def iscsi_create_initiator_group(args):
1722        initiators = []
1723        netmasks = []
1724        for i in args.initiator_list.strip().split(' '):
1725            initiators.append(i)
1726        for n in args.netmask_list.strip().split(' '):
1727            netmasks.append(n)
1728        rpc.iscsi.iscsi_create_initiator_group(
1729            args.client,
1730            tag=args.tag,
1731            initiators=initiators,
1732            netmasks=netmasks)
1733
1734    p = subparsers.add_parser('iscsi_create_initiator_group',
1735                              help='Add an initiator group')
1736    p.add_argument(
1737        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1738    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1739    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1740    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1741    Example: '255.255.0.0 255.248.0.0' etc""")
1742    p.set_defaults(func=iscsi_create_initiator_group)
1743
1744    def iscsi_initiator_group_add_initiators(args):
1745        initiators = None
1746        netmasks = None
1747        if args.initiator_list:
1748            initiators = []
1749            for i in args.initiator_list.strip().split(' '):
1750                initiators.append(i)
1751        if args.netmask_list:
1752            netmasks = []
1753            for n in args.netmask_list.strip().split(' '):
1754                netmasks.append(n)
1755        rpc.iscsi.iscsi_initiator_group_add_initiators(
1756            args.client,
1757            tag=args.tag,
1758            initiators=initiators,
1759            netmasks=netmasks)
1760
1761    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1762                              help='Add initiators to an existing initiator group')
1763    p.add_argument(
1764        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1765    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1766    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1767    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1768    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1769    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1770    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1771
1772    def iscsi_initiator_group_remove_initiators(args):
1773        initiators = None
1774        netmasks = None
1775        if args.initiator_list:
1776            initiators = []
1777            for i in args.initiator_list.strip().split(' '):
1778                initiators.append(i)
1779        if args.netmask_list:
1780            netmasks = []
1781            for n in args.netmask_list.strip().split(' '):
1782                netmasks.append(n)
1783        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1784            args.client,
1785            tag=args.tag,
1786            initiators=initiators,
1787            netmasks=netmasks)
1788
1789    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1790                              help='Delete initiators from an existing initiator group')
1791    p.add_argument(
1792        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1793    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1794    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1795    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1796    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1797    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1798    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1799
1800    def iscsi_delete_target_node(args):
1801        rpc.iscsi.iscsi_delete_target_node(
1802            args.client, target_node_name=args.target_node_name)
1803
1804    p = subparsers.add_parser('iscsi_delete_target_node',
1805                              help='Delete a target node')
1806    p.add_argument('target_node_name',
1807                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1808    p.set_defaults(func=iscsi_delete_target_node)
1809
1810    def iscsi_delete_portal_group(args):
1811        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1812
1813    p = subparsers.add_parser('iscsi_delete_portal_group',
1814                              help='Delete a portal group')
1815    p.add_argument(
1816        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1817    p.set_defaults(func=iscsi_delete_portal_group)
1818
1819    def iscsi_delete_initiator_group(args):
1820        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1821
1822    p = subparsers.add_parser('iscsi_delete_initiator_group',
1823                              help='Delete an initiator group')
1824    p.add_argument(
1825        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1826    p.set_defaults(func=iscsi_delete_initiator_group)
1827
1828    def iscsi_portal_group_set_auth(args):
1829        rpc.iscsi.iscsi_portal_group_set_auth(
1830            args.client,
1831            tag=args.tag,
1832            chap_group=args.chap_group,
1833            disable_chap=args.disable_chap,
1834            require_chap=args.require_chap,
1835            mutual_chap=args.mutual_chap)
1836
1837    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1838                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1839    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1840    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1841    *** Authentication group must be precreated ***""", type=int)
1842    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1843    *** Mutually exclusive with --require-chap ***""", action='store_true')
1844    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1845    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1846    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1847                   action='store_true')
1848    p.set_defaults(func=iscsi_portal_group_set_auth)
1849
1850    def iscsi_get_connections(args):
1851        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1852
1853    p = subparsers.add_parser('iscsi_get_connections',
1854                              help='Display iSCSI connections')
1855    p.set_defaults(func=iscsi_get_connections)
1856
1857    def iscsi_get_stats(args):
1858        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1859
1860    p = subparsers.add_parser('iscsi_get_stats',
1861                              help='Display stat information of iSCSI connections.')
1862    p.set_defaults(func=iscsi_get_stats)
1863
1864    def iscsi_get_options(args):
1865        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1866
1867    p = subparsers.add_parser('iscsi_get_options',
1868                              help='Display iSCSI global parameters')
1869    p.set_defaults(func=iscsi_get_options)
1870
1871    def scsi_get_devices(args):
1872        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1873
1874    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1875    p.set_defaults(func=scsi_get_devices)
1876
1877    # trace
1878    def trace_enable_tpoint_group(args):
1879        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1880
1881    p = subparsers.add_parser('trace_enable_tpoint_group',
1882                              help='enable trace on a specific tpoint group')
1883    p.add_argument(
1884        'name', help="""trace group name we want to enable in tpoint_group_mask.
1885        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1886    p.set_defaults(func=trace_enable_tpoint_group)
1887
1888    def trace_disable_tpoint_group(args):
1889        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1890
1891    p = subparsers.add_parser('trace_disable_tpoint_group',
1892                              help='disable trace on a specific tpoint group')
1893    p.add_argument(
1894        'name', help="""trace group name we want to disable in tpoint_group_mask.
1895        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1896    p.set_defaults(func=trace_disable_tpoint_group)
1897
1898    def trace_set_tpoint_mask(args):
1899        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1900
1901    p = subparsers.add_parser('trace_set_tpoint_mask',
1902                              help='enable tracepoint mask on a specific tpoint group')
1903    p.add_argument(
1904        'name', help="""trace group name we want to enable in tpoint_group_mask.
1905        (for example "bdev" for bdev trace group)""")
1906    p.add_argument(
1907        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1908        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1909        type=lambda m: int(m, 16))
1910    p.set_defaults(func=trace_set_tpoint_mask)
1911
1912    def trace_clear_tpoint_mask(args):
1913        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1914
1915    p = subparsers.add_parser('trace_clear_tpoint_mask',
1916                              help='disable tracepoint mask on a specific tpoint group')
1917    p.add_argument(
1918        'name', help="""trace group name we want to disable in tpoint_group_mask.
1919        (for example "bdev" for bdev trace group)""")
1920    p.add_argument(
1921        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1922        (for example value of "0x3" will disable the first two tpoints in this group)""",
1923        type=lambda m: int(m, 16))
1924    p.set_defaults(func=trace_clear_tpoint_mask)
1925
1926    def trace_get_tpoint_group_mask(args):
1927        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1928
1929    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1930    p.set_defaults(func=trace_get_tpoint_group_mask)
1931
1932    def trace_get_info(args):
1933        print_dict(rpc.trace.trace_get_info(args.client))
1934
1935    p = subparsers.add_parser('trace_get_info',
1936                              help='get name of shared memory file and list of the available trace point groups')
1937    p.set_defaults(func=trace_get_info)
1938
1939    # log
1940    def log_set_flag(args):
1941        rpc.log.log_set_flag(args.client, flag=args.flag)
1942
1943    p = subparsers.add_parser('log_set_flag', help='set log flag')
1944    p.add_argument(
1945        'flag', help='log flag we want to set. (for example "nvme").')
1946    p.set_defaults(func=log_set_flag)
1947
1948    def log_clear_flag(args):
1949        rpc.log.log_clear_flag(args.client, flag=args.flag)
1950
1951    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1952    p.add_argument(
1953        'flag', help='log flag we want to clear. (for example "nvme").')
1954    p.set_defaults(func=log_clear_flag)
1955
1956    def log_get_flags(args):
1957        print_dict(rpc.log.log_get_flags(args.client))
1958
1959    p = subparsers.add_parser('log_get_flags', help='get log flags')
1960    p.set_defaults(func=log_get_flags)
1961
1962    def log_set_level(args):
1963        rpc.log.log_set_level(args.client, level=args.level)
1964
1965    p = subparsers.add_parser('log_set_level', help='set log level')
1966    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1967    p.set_defaults(func=log_set_level)
1968
1969    def log_get_level(args):
1970        print_dict(rpc.log.log_get_level(args.client))
1971
1972    p = subparsers.add_parser('log_get_level', help='get log level')
1973    p.set_defaults(func=log_get_level)
1974
1975    def log_set_print_level(args):
1976        rpc.log.log_set_print_level(args.client, level=args.level)
1977
1978    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1979    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1980    p.set_defaults(func=log_set_print_level)
1981
1982    def log_get_print_level(args):
1983        print_dict(rpc.log.log_get_print_level(args.client))
1984
1985    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1986    p.set_defaults(func=log_get_print_level)
1987
1988    # lvol
1989    def bdev_lvol_create_lvstore(args):
1990        # The default unmap clear method may take over 60.0 sec.
1991        if args.timeout is None:
1992            args.client.timeout = 90.0
1993        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1994                                                     bdev_name=args.bdev_name,
1995                                                     lvs_name=args.lvs_name,
1996                                                     cluster_sz=args.cluster_sz,
1997                                                     clear_method=args.clear_method,
1998                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
1999
2000    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2001    p.add_argument('bdev_name', help='base bdev name')
2002    p.add_argument('lvs_name', help='name for lvol store')
2003    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2004    p.add_argument('--clear-method', help="""Change clear method for data region.
2005        Available: none, unmap, write_zeroes""")
2006    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2007    p.set_defaults(func=bdev_lvol_create_lvstore)
2008
2009    def bdev_lvol_rename_lvstore(args):
2010        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2011                                          old_name=args.old_name,
2012                                          new_name=args.new_name)
2013
2014    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2015    p.add_argument('old_name', help='old name')
2016    p.add_argument('new_name', help='new name')
2017    p.set_defaults(func=bdev_lvol_rename_lvstore)
2018
2019    def bdev_lvol_grow_lvstore(args):
2020        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2021                                                   uuid=args.uuid,
2022                                                   lvs_name=args.lvs_name))
2023
2024    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2025                              help='Grow the lvstore size to the underlying bdev size')
2026    p.add_argument('-u', '--uuid', help='lvol store UUID')
2027    p.add_argument('-l', '--lvs-name', help='lvol store name')
2028    p.set_defaults(func=bdev_lvol_grow_lvstore)
2029
2030    def bdev_lvol_create(args):
2031        print_json(rpc.lvol.bdev_lvol_create(args.client,
2032                                             lvol_name=args.lvol_name,
2033                                             size_in_mib=args.size_in_mib,
2034                                             thin_provision=args.thin_provision,
2035                                             clear_method=args.clear_method,
2036                                             uuid=args.uuid,
2037                                             lvs_name=args.lvs_name))
2038
2039    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2040    p.add_argument('-u', '--uuid', help='lvol store UUID')
2041    p.add_argument('-l', '--lvs-name', help='lvol store name')
2042    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2043    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2044        Available: none, unmap, write_zeroes""")
2045    p.add_argument('lvol_name', help='name for this lvol')
2046    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2047    p.set_defaults(func=bdev_lvol_create)
2048
2049    def bdev_lvol_snapshot(args):
2050        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2051                                               lvol_name=args.lvol_name,
2052                                               snapshot_name=args.snapshot_name))
2053
2054    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2055    p.add_argument('lvol_name', help='lvol bdev name')
2056    p.add_argument('snapshot_name', help='lvol snapshot name')
2057    p.set_defaults(func=bdev_lvol_snapshot)
2058
2059    def bdev_lvol_clone(args):
2060        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2061                                            snapshot_name=args.snapshot_name,
2062                                            clone_name=args.clone_name))
2063
2064    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2065    p.add_argument('snapshot_name', help='lvol snapshot name')
2066    p.add_argument('clone_name', help='lvol clone name')
2067    p.set_defaults(func=bdev_lvol_clone)
2068
2069    def bdev_lvol_clone_bdev(args):
2070        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2071                                                 bdev=args.bdev,
2072                                                 lvs_name=args.lvs_name,
2073                                                 clone_name=args.clone_name))
2074
2075    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2076                              help='Create a clone of a non-lvol bdev')
2077    p.add_argument('bdev', help='bdev to clone')
2078    p.add_argument('lvs_name', help='logical volume store name')
2079    p.add_argument('clone_name', help='lvol clone name')
2080    p.set_defaults(func=bdev_lvol_clone_bdev)
2081
2082    def bdev_lvol_rename(args):
2083        rpc.lvol.bdev_lvol_rename(args.client,
2084                                  old_name=args.old_name,
2085                                  new_name=args.new_name)
2086
2087    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2088    p.add_argument('old_name', help='lvol bdev name')
2089    p.add_argument('new_name', help='new lvol name')
2090    p.set_defaults(func=bdev_lvol_rename)
2091
2092    def bdev_lvol_inflate(args):
2093        rpc.lvol.bdev_lvol_inflate(args.client,
2094                                   name=args.name)
2095
2096    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2097    p.add_argument('name', help='lvol bdev name')
2098    p.set_defaults(func=bdev_lvol_inflate)
2099
2100    def bdev_lvol_decouple_parent(args):
2101        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2102                                           name=args.name)
2103
2104    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2105    p.add_argument('name', help='lvol bdev name')
2106    p.set_defaults(func=bdev_lvol_decouple_parent)
2107
2108    def bdev_lvol_resize(args):
2109        rpc.lvol.bdev_lvol_resize(args.client,
2110                                  name=args.name,
2111                                  size_in_mib=args.size_in_mib)
2112
2113    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2114    p.add_argument('name', help='lvol bdev name')
2115    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2116    p.set_defaults(func=bdev_lvol_resize)
2117
2118    def bdev_lvol_set_read_only(args):
2119        rpc.lvol.bdev_lvol_set_read_only(args.client,
2120                                         name=args.name)
2121
2122    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2123    p.add_argument('name', help='lvol bdev name')
2124    p.set_defaults(func=bdev_lvol_set_read_only)
2125
2126    def bdev_lvol_delete(args):
2127        rpc.lvol.bdev_lvol_delete(args.client,
2128                                  name=args.name)
2129
2130    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2131    p.add_argument('name', help='lvol bdev name')
2132    p.set_defaults(func=bdev_lvol_delete)
2133
2134    def bdev_lvol_delete_lvstore(args):
2135        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2136                                          uuid=args.uuid,
2137                                          lvs_name=args.lvs_name)
2138
2139    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2140    p.add_argument('-u', '--uuid', help='lvol store UUID')
2141    p.add_argument('-l', '--lvs-name', help='lvol store name')
2142    p.set_defaults(func=bdev_lvol_delete_lvstore)
2143
2144    def bdev_lvol_get_lvstores(args):
2145        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2146                                                   uuid=args.uuid,
2147                                                   lvs_name=args.lvs_name))
2148
2149    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2150    p.add_argument('-u', '--uuid', help='lvol store UUID')
2151    p.add_argument('-l', '--lvs-name', help='lvol store name')
2152    p.set_defaults(func=bdev_lvol_get_lvstores)
2153
2154    def bdev_lvol_get_lvols(args):
2155        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2156                                                lvs_uuid=args.lvs_uuid,
2157                                                lvs_name=args.lvs_name))
2158
2159    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2160    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2161    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2162    p.set_defaults(func=bdev_lvol_get_lvols)
2163
2164    def bdev_raid_set_options(args):
2165        rpc.bdev.bdev_raid_set_options(args.client,
2166                                       process_window_size_kb=args.process_window_size_kb)
2167
2168    p = subparsers.add_parser('bdev_raid_set_options',
2169                              help='Set options for bdev raid.')
2170    p.add_argument('-w', '--process-window-size-kb', type=int,
2171                   help="Background process (e.g. rebuild) window size in KiB")
2172
2173    p.set_defaults(func=bdev_raid_set_options)
2174
2175    def bdev_raid_get_bdevs(args):
2176        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2177                                                category=args.category))
2178
2179    p = subparsers.add_parser('bdev_raid_get_bdevs',
2180                              help="""This is used to list all the raid bdev details based on the input category
2181    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2182    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2183    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2184    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2185    p.add_argument('category', help='all or online or configuring or offline')
2186    p.set_defaults(func=bdev_raid_get_bdevs)
2187
2188    def bdev_raid_create(args):
2189        base_bdevs = []
2190        for u in args.base_bdevs.strip().split():
2191            base_bdevs.append(u)
2192
2193        rpc.bdev.bdev_raid_create(args.client,
2194                                  name=args.name,
2195                                  strip_size_kb=args.strip_size_kb,
2196                                  raid_level=args.raid_level,
2197                                  base_bdevs=base_bdevs,
2198                                  uuid=args.uuid,
2199                                  superblock=args.superblock)
2200    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2201    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2202    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2203    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2204    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2205    p.add_argument('--uuid', help='UUID for this raid bdev')
2206    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2207                                              'disabled by default due to backward compatibility', action='store_true')
2208    p.set_defaults(func=bdev_raid_create)
2209
2210    def bdev_raid_delete(args):
2211        rpc.bdev.bdev_raid_delete(args.client,
2212                                  name=args.name)
2213    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2214    p.add_argument('name', help='raid bdev name')
2215    p.set_defaults(func=bdev_raid_delete)
2216
2217    def bdev_raid_add_base_bdev(args):
2218        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2219                                         raid_bdev=args.raid_bdev,
2220                                         base_bdev=args.base_bdev)
2221    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2222    p.add_argument('raid_bdev', help='raid bdev name')
2223    p.add_argument('base_bdev', help='base bdev name')
2224    p.set_defaults(func=bdev_raid_add_base_bdev)
2225
2226    def bdev_raid_remove_base_bdev(args):
2227        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2228                                            name=args.name)
2229    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2230    p.add_argument('name', help='base bdev name')
2231    p.set_defaults(func=bdev_raid_remove_base_bdev)
2232
2233    # split
2234    def bdev_split_create(args):
2235        print_array(rpc.bdev.bdev_split_create(args.client,
2236                                               base_bdev=args.base_bdev,
2237                                               split_count=args.split_count,
2238                                               split_size_mb=args.split_size_mb))
2239
2240    p = subparsers.add_parser('bdev_split_create',
2241                              help="""Add given disk name to split config. If bdev with base_name
2242    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2243    available (during examination process).""")
2244    p.add_argument('base_bdev', help='base bdev name')
2245    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2246    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2247    exceed the base bdev size.""", type=int)
2248    p.set_defaults(func=bdev_split_create)
2249
2250    def bdev_split_delete(args):
2251        rpc.bdev.bdev_split_delete(args.client,
2252                                   base_bdev=args.base_bdev)
2253
2254    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2255    p.add_argument('base_bdev', help='base bdev name')
2256    p.set_defaults(func=bdev_split_delete)
2257
2258    # ftl
2259    def bdev_ftl_create(args):
2260        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2261                                            name=args.name,
2262                                            base_bdev=args.base_bdev,
2263                                            uuid=args.uuid,
2264                                            cache=args.cache,
2265                                            overprovisioning=args.overprovisioning,
2266                                            l2p_dram_limit=args.l2p_dram_limit,
2267                                            core_mask=args.core_mask,
2268                                            fast_shutdown=args.fast_shutdown))
2269
2270    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2271    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2272    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2273                   required=True)
2274    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2275                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2276    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2277                   required=True)
2278    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2279                   ' to user (optional); default 20', type=int)
2280    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2281                   type=int)
2282    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2283                   'by default core thread will be set to the main application core (optional)')
2284    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2285    p.set_defaults(func=bdev_ftl_create)
2286
2287    def bdev_ftl_load(args):
2288        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2289                                          name=args.name,
2290                                          base_bdev=args.base_bdev,
2291                                          uuid=args.uuid,
2292                                          cache=args.cache,
2293                                          overprovisioning=args.overprovisioning,
2294                                          l2p_dram_limit=args.l2p_dram_limit,
2295                                          core_mask=args.core_mask,
2296                                          fast_shutdown=args.fast_shutdown))
2297
2298    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2299    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2300    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2301                   required=True)
2302    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2303    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2304                   required=True)
2305    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2306                   ' to user (optional); default 20', type=int)
2307    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2308                   type=int)
2309    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2310                   'by default core thread will be set to the main application core (optional)')
2311    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2312    p.set_defaults(func=bdev_ftl_load)
2313
2314    def bdev_ftl_unload(args):
2315        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2316
2317    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2318    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2319    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2320    p.set_defaults(func=bdev_ftl_unload)
2321
2322    def bdev_ftl_delete(args):
2323        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2324
2325    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2326    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2327    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2328    p.set_defaults(func=bdev_ftl_delete)
2329
2330    def bdev_ftl_unmap(args):
2331        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2332                                           lba=args.lba,
2333                                           num_blocks=args.num_blocks))
2334
2335    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2336    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2337    p.add_argument('--lba', help='start LBA', required=True, type=int)
2338    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2339    p.set_defaults(func=bdev_ftl_unmap)
2340
2341    def bdev_ftl_get_stats(args):
2342        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2343
2344    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2345    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2346    p.set_defaults(func=bdev_ftl_get_stats)
2347
2348    def bdev_ftl_get_properties(args):
2349        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2350
2351    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2352    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2353    p.set_defaults(func=bdev_ftl_get_properties)
2354
2355    def bdev_ftl_set_property(args):
2356        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2357                   ftl_property=args.property,
2358                   value=args.value))
2359
2360    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2361    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2362    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2363    p.add_argument('-v', '--value', help="Value of the property", required=True)
2364    p.set_defaults(func=bdev_ftl_set_property)
2365
2366    # vmd
2367    def vmd_enable(args):
2368        print_dict(rpc.vmd.vmd_enable(args.client))
2369
2370    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2371    p.set_defaults(func=vmd_enable)
2372
2373    def vmd_remove_device(args):
2374        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2375
2376    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2377    p.add_argument('addr', help='Address of the device to remove', type=str)
2378    p.set_defaults(func=vmd_remove_device)
2379
2380    def vmd_rescan(args):
2381        print_dict(rpc.vmd.vmd_rescan(args.client))
2382
2383    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2384    p.set_defaults(func=vmd_rescan)
2385
2386    # ublk
2387    def ublk_create_target(args):
2388        rpc.ublk.ublk_create_target(args.client,
2389                                    cpumask=args.cpumask)
2390    p = subparsers.add_parser('ublk_create_target',
2391                              help='Create spdk ublk target for ublk dev')
2392    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2393    p.set_defaults(func=ublk_create_target)
2394
2395    def ublk_destroy_target(args):
2396        rpc.ublk.ublk_destroy_target(args.client)
2397    p = subparsers.add_parser('ublk_destroy_target',
2398                              help='Destroy spdk ublk target for ublk dev')
2399    p.set_defaults(func=ublk_destroy_target)
2400
2401    def ublk_start_disk(args):
2402        print(rpc.ublk.ublk_start_disk(args.client,
2403                                       bdev_name=args.bdev_name,
2404                                       ublk_id=args.ublk_id,
2405                                       num_queues=args.num_queues,
2406                                       queue_depth=args.queue_depth))
2407
2408    p = subparsers.add_parser('ublk_start_disk',
2409                              help='Export a bdev as a ublk device')
2410    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2411    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2412    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2413    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2414    p.set_defaults(func=ublk_start_disk)
2415
2416    def ublk_stop_disk(args):
2417        rpc.ublk.ublk_stop_disk(args.client,
2418                                ublk_id=args.ublk_id)
2419
2420    p = subparsers.add_parser('ublk_stop_disk',
2421                              help='Stop a ublk device')
2422    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2423    p.set_defaults(func=ublk_stop_disk)
2424
2425    def ublk_recover_disk(args):
2426        print(rpc.ublk.ublk_recover_disk(args.client,
2427                                         bdev_name=args.bdev_name,
2428                                         ublk_id=args.ublk_id))
2429
2430    p = subparsers.add_parser('ublk_recover_disk',
2431                              help='Recover ublk device')
2432    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2433    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2434    p.set_defaults(func=ublk_recover_disk)
2435
2436    def ublk_get_disks(args):
2437        print_dict(rpc.ublk.ublk_get_disks(args.client,
2438                                           ublk_id=args.ublk_id))
2439
2440    p = subparsers.add_parser('ublk_get_disks',
2441                              help='Display full or specified ublk device list')
2442    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2443    p.set_defaults(func=ublk_get_disks)
2444
2445    # nbd
2446    def nbd_start_disk(args):
2447        print(rpc.nbd.nbd_start_disk(args.client,
2448                                     bdev_name=args.bdev_name,
2449                                     nbd_device=args.nbd_device))
2450
2451    p = subparsers.add_parser('nbd_start_disk',
2452                              help='Export a bdev as an nbd disk')
2453    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2454    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2455    p.set_defaults(func=nbd_start_disk)
2456
2457    def nbd_stop_disk(args):
2458        rpc.nbd.nbd_stop_disk(args.client,
2459                              nbd_device=args.nbd_device)
2460
2461    p = subparsers.add_parser('nbd_stop_disk',
2462                              help='Stop an nbd disk')
2463    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2464    p.set_defaults(func=nbd_stop_disk)
2465
2466    def nbd_get_disks(args):
2467        print_dict(rpc.nbd.nbd_get_disks(args.client,
2468                                         nbd_device=args.nbd_device))
2469
2470    p = subparsers.add_parser('nbd_get_disks',
2471                              help='Display full or specified nbd device list')
2472    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2473    p.set_defaults(func=nbd_get_disks)
2474
2475    # NVMe-oF
2476    def nvmf_set_max_subsystems(args):
2477        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2478                                         max_subsystems=args.max_subsystems)
2479
2480    p = subparsers.add_parser('nvmf_set_max_subsystems',
2481                              help='Set the maximum number of NVMf target subsystems')
2482    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2483    p.set_defaults(func=nvmf_set_max_subsystems)
2484
2485    def nvmf_set_config(args):
2486        rpc.nvmf.nvmf_set_config(args.client,
2487                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2488                                 poll_groups_mask=args.poll_groups_mask,
2489                                 discovery_filter=args.discovery_filter)
2490
2491    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2492    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2493    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2494    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2495    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2496         comma separated values: `transport`, `address`, `svcid`""", type=str)
2497    p.set_defaults(func=nvmf_set_config)
2498
2499    def nvmf_create_transport(args):
2500        rpc.nvmf.nvmf_create_transport(**vars(args))
2501
2502    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2503    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2504    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2505    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2506    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2507    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2508    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2509    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2510    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2511    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2512    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2513    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2514    underlying bdev supports them''')
2515    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2516    Relevant only for RDMA transport""", type=int)
2517    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2518    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2519    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2520    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2521    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2522    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2523    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2524    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2525    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2526    Relevant only for TCP transport""", type=int)
2527    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2528    Relevant only for VFIO-USER transport""")
2529    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2530    Relevant only for VFIO-USER transport""")
2531    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2532    Relevant only for VFIO-USER transport""")
2533    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2534    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2535    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2536    p.set_defaults(func=nvmf_create_transport)
2537
2538    def nvmf_get_transports(args):
2539        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2540
2541    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2542    p.add_argument('--trtype', help='Transport type (optional)')
2543    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2544    p.set_defaults(func=nvmf_get_transports)
2545
2546    def nvmf_get_subsystems(args):
2547        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2548
2549    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2550    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2551    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2552    p.set_defaults(func=nvmf_get_subsystems)
2553
2554    def nvmf_create_subsystem(args):
2555        rpc.nvmf.nvmf_create_subsystem(args.client,
2556                                       nqn=args.nqn,
2557                                       tgt_name=args.tgt_name,
2558                                       serial_number=args.serial_number,
2559                                       model_number=args.model_number,
2560                                       allow_any_host=args.allow_any_host,
2561                                       max_namespaces=args.max_namespaces,
2562                                       ana_reporting=args.ana_reporting,
2563                                       min_cntlid=args.min_cntlid,
2564                                       max_cntlid=args.max_cntlid,
2565                                       max_discard_size_kib=args.max_discard_size,
2566                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2567
2568    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2569    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2570    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2571    p.add_argument("-s", "--serial-number", help="""
2572    Format:  'sn' etc
2573    Example: 'SPDK00000000000001'""")
2574    p.add_argument("-d", "--model-number", help="""
2575    Format:  'mn' etc
2576    Example: 'SPDK Controller'""")
2577    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2578    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2579                   type=int)
2580    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2581    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2582    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2583    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2584    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2585    p.set_defaults(func=nvmf_create_subsystem)
2586
2587    def nvmf_delete_subsystem(args):
2588        rpc.nvmf.nvmf_delete_subsystem(args.client,
2589                                       nqn=args.subsystem_nqn,
2590                                       tgt_name=args.tgt_name)
2591
2592    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2593    p.add_argument('subsystem_nqn',
2594                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2595    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2596    p.set_defaults(func=nvmf_delete_subsystem)
2597
2598    def nvmf_subsystem_add_listener(args):
2599        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2600
2601    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2602    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2603    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2604    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2605    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2606    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2607    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2608    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2609    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2610    p.set_defaults(func=nvmf_subsystem_add_listener)
2611
2612    def nvmf_subsystem_remove_listener(args):
2613        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2614                                                nqn=args.nqn,
2615                                                trtype=args.trtype,
2616                                                traddr=args.traddr,
2617                                                tgt_name=args.tgt_name,
2618                                                adrfam=args.adrfam,
2619                                                trsvcid=args.trsvcid)
2620
2621    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2622    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2623    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2624    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2625    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2626    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2627    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2628    p.set_defaults(func=nvmf_subsystem_remove_listener)
2629
2630    def nvmf_subsystem_listener_set_ana_state(args):
2631        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2632                                                       nqn=args.nqn,
2633                                                       ana_state=args.ana_state,
2634                                                       trtype=args.trtype,
2635                                                       traddr=args.traddr,
2636                                                       tgt_name=args.tgt_name,
2637                                                       adrfam=args.adrfam,
2638                                                       trsvcid=args.trsvcid,
2639                                                       anagrpid=args.anagrpid)
2640
2641    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2642    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2643    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2644    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2645    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2646    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2647    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2648    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2649    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2650    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2651
2652    def nvmf_discovery_add_referral(args):
2653        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2654
2655    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2656    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2657    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2658    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2659    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2660    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2661    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2662                   action="store_true")
2663    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2664    p.set_defaults(func=nvmf_discovery_add_referral)
2665
2666    def nvmf_discovery_remove_referral(args):
2667        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2668                                                trtype=args.trtype,
2669                                                traddr=args.traddr,
2670                                                tgt_name=args.tgt_name,
2671                                                adrfam=args.adrfam,
2672                                                trsvcid=args.trsvcid,
2673                                                subnqn=args.subnqn)
2674
2675    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2676    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2677    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2678    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2679    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2680    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2681    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2682    p.set_defaults(func=nvmf_discovery_remove_referral)
2683
2684    def nvmf_discovery_get_referrals(args):
2685        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2686                                                         tgt_name=args.tgt_name))
2687
2688    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2689                              help='Display discovery subsystem referrals of an NVMe-oF target')
2690    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2691    p.set_defaults(func=nvmf_discovery_get_referrals)
2692
2693    def nvmf_subsystem_add_ns(args):
2694        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2695
2696    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2697    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2698    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2699    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2700    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2701    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2702    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2703    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2704    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2705    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2706    p.add_argument('-i', '--no-auto-visible', action='store_true',
2707                   help='Do not auto make namespace visible to controllers (optional)')
2708    p.set_defaults(func=nvmf_subsystem_add_ns)
2709
2710    def nvmf_subsystem_remove_ns(args):
2711        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2712                                          nqn=args.nqn,
2713                                          nsid=args.nsid,
2714                                          tgt_name=args.tgt_name)
2715
2716    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2717    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2718    p.add_argument('nsid', help='The requested NSID', type=int)
2719    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2720    p.set_defaults(func=nvmf_subsystem_remove_ns)
2721
2722    def nvmf_ns_add_host(args):
2723        rpc.nvmf.nvmf_ns_visible(True,
2724                                 args.client,
2725                                 nqn=args.nqn,
2726                                 nsid=args.nsid,
2727                                 host=args.host,
2728                                 tgt_name=args.tgt_name)
2729
2730    def nvmf_ns_visible_add_args(p):
2731        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2732        p.add_argument('nsid', help='The requested NSID', type=int)
2733        p.add_argument('host', help='Host NQN to make namespace visible to')
2734        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2735
2736    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2737    nvmf_ns_visible_add_args(p)
2738    p.set_defaults(func=nvmf_ns_add_host)
2739
2740    def nvmf_ns_remove_host(args):
2741        rpc.nvmf.nvmf_ns_visible(False,
2742                                 args.client,
2743                                 nqn=args.nqn,
2744                                 nsid=args.nsid,
2745                                 host=args.host,
2746                                 tgt_name=args.tgt_name)
2747
2748    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2749    nvmf_ns_visible_add_args(p)
2750    p.set_defaults(func=nvmf_ns_remove_host)
2751
2752    def nvmf_subsystem_add_host(args):
2753        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2754                                         nqn=args.nqn,
2755                                         host=args.host,
2756                                         tgt_name=args.tgt_name,
2757                                         psk=args.psk)
2758
2759    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2760    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2761    p.add_argument('host', help='Host NQN to allow')
2762    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2763    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2764    p.set_defaults(func=nvmf_subsystem_add_host)
2765
2766    def nvmf_subsystem_remove_host(args):
2767        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2768                                            nqn=args.nqn,
2769                                            host=args.host,
2770                                            tgt_name=args.tgt_name)
2771
2772    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2773    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2774    p.add_argument('host', help='Host NQN to remove')
2775    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2776    p.set_defaults(func=nvmf_subsystem_remove_host)
2777
2778    def nvmf_subsystem_allow_any_host(args):
2779        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2780                                               nqn=args.nqn,
2781                                               disable=args.disable,
2782                                               tgt_name=args.tgt_name)
2783
2784    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2785    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2786    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2787    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2788    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2789    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2790
2791    def nvmf_subsystem_get_controllers(args):
2792        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2793                                                           nqn=args.nqn,
2794                                                           tgt_name=args.tgt_name))
2795
2796    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2797                              help='Display controllers of an NVMe-oF subsystem.')
2798    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2799    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2800    p.set_defaults(func=nvmf_subsystem_get_controllers)
2801
2802    def nvmf_subsystem_get_qpairs(args):
2803        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2804                                                      nqn=args.nqn,
2805                                                      tgt_name=args.tgt_name))
2806
2807    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2808                              help='Display queue pairs of an NVMe-oF subsystem.')
2809    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
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_subsystem_get_qpairs)
2812
2813    def nvmf_subsystem_get_listeners(args):
2814        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2815                                                         nqn=args.nqn,
2816                                                         tgt_name=args.tgt_name))
2817
2818    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2819                              help='Display listeners of an NVMe-oF subsystem.')
2820    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2821    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2822    p.set_defaults(func=nvmf_subsystem_get_listeners)
2823
2824    def nvmf_get_stats(args):
2825        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2826
2827    p = subparsers.add_parser(
2828        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2829    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2830    p.set_defaults(func=nvmf_get_stats)
2831
2832    def nvmf_set_crdt(args):
2833        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2834
2835    p = subparsers.add_parser(
2836        'nvmf_set_crdt',
2837        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2838        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2839    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2840    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2841    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2842    p.set_defaults(func=nvmf_set_crdt)
2843
2844    # subsystem
2845    def framework_get_subsystems(args):
2846        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2847
2848    p = subparsers.add_parser('framework_get_subsystems',
2849                              help="""Print subsystems array in initialization order. Each subsystem
2850    entry contain (unsorted) array of subsystems it depends on.""")
2851    p.set_defaults(func=framework_get_subsystems)
2852
2853    def framework_get_config(args):
2854        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2855
2856    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2857    p.add_argument('name', help='Name of subsystem to query')
2858    p.set_defaults(func=framework_get_config)
2859
2860    # vhost
2861    def vhost_controller_set_coalescing(args):
2862        rpc.vhost.vhost_controller_set_coalescing(args.client,
2863                                                  ctrlr=args.ctrlr,
2864                                                  delay_base_us=args.delay_base_us,
2865                                                  iops_threshold=args.iops_threshold)
2866
2867    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2868    p.add_argument('ctrlr', help='controller name')
2869    p.add_argument('delay_base_us', help='Base delay time', type=int)
2870    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2871    p.set_defaults(func=vhost_controller_set_coalescing)
2872
2873    def virtio_blk_create_transport(args):
2874        rpc.vhost.virtio_blk_create_transport(**vars(args))
2875
2876    p = subparsers.add_parser('virtio_blk_create_transport',
2877                              help='Create virtio blk transport')
2878    p.add_argument('name', help='transport name')
2879    p.set_defaults(func=virtio_blk_create_transport)
2880
2881    def virtio_blk_get_transports(args):
2882        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2883
2884    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2885    p.add_argument('--name', help='Transport name (optional)', type=str)
2886    p.set_defaults(func=virtio_blk_get_transports)
2887
2888    def vhost_create_scsi_controller(args):
2889        rpc.vhost.vhost_create_scsi_controller(args.client,
2890                                               ctrlr=args.ctrlr,
2891                                               cpumask=args.cpumask,
2892                                               delay=args.delay)
2893
2894    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2895    p.add_argument('ctrlr', help='controller name')
2896    p.add_argument('--cpumask', help='cpu mask for this controller')
2897    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2898    p.set_defaults(func=vhost_create_scsi_controller)
2899
2900    def vhost_start_scsi_controller(args):
2901        rpc.vhost.vhost_start_scsi_controller(args.client,
2902                                              ctrlr=args.ctrlr)
2903
2904    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2905    p.add_argument('ctrlr', help='controller name')
2906    p.set_defaults(func=vhost_start_scsi_controller)
2907
2908    def vhost_scsi_controller_add_target(args):
2909        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2910                                                              ctrlr=args.ctrlr,
2911                                                              scsi_target_num=args.scsi_target_num,
2912                                                              bdev_name=args.bdev_name))
2913
2914    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2915    p.add_argument('ctrlr', help='controller name where add lun')
2916    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2917    p.add_argument('bdev_name', help='bdev name')
2918    p.set_defaults(func=vhost_scsi_controller_add_target)
2919
2920    def vhost_scsi_controller_remove_target(args):
2921        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2922                                                      ctrlr=args.ctrlr,
2923                                                      scsi_target_num=args.scsi_target_num)
2924
2925    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2926                              help='Remove target from vhost controller')
2927    p.add_argument('ctrlr', help='controller name to remove target from')
2928    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2929    p.set_defaults(func=vhost_scsi_controller_remove_target)
2930
2931    def vhost_create_blk_controller(args):
2932        rpc.vhost.vhost_create_blk_controller(**vars(args))
2933
2934    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2935    p.add_argument('ctrlr', help='controller name')
2936    p.add_argument('dev_name', help='device name')
2937    p.add_argument('--cpumask', help='cpu mask for this controller')
2938    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2939    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2940    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2941    p.set_defaults(func=vhost_create_blk_controller)
2942
2943    def vhost_get_controllers(args):
2944        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2945
2946    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2947    p.add_argument('-n', '--name', help="Name of vhost controller")
2948    p.set_defaults(func=vhost_get_controllers)
2949
2950    def vhost_delete_controller(args):
2951        rpc.vhost.vhost_delete_controller(args.client,
2952                                          ctrlr=args.ctrlr)
2953
2954    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2955    p.add_argument('ctrlr', help='controller name')
2956    p.set_defaults(func=vhost_delete_controller)
2957
2958    def bdev_virtio_attach_controller(args):
2959        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2960                                                            name=args.name,
2961                                                            trtype=args.trtype,
2962                                                            traddr=args.traddr,
2963                                                            dev_type=args.dev_type,
2964                                                            vq_count=args.vq_count,
2965                                                            vq_size=args.vq_size))
2966
2967    p = subparsers.add_parser('bdev_virtio_attach_controller',
2968                              help="""Attach virtio controller using provided
2969    transport type and device type. This will also create bdevs for any block devices connected to the
2970    controller (for example, SCSI devices for a virtio-scsi controller).
2971    Result is array of added bdevs.""")
2972    p.add_argument('name', help="Use this name as base for new created bdevs")
2973    p.add_argument('-t', '--trtype',
2974                   help='Virtio target transport type: pci or user', required=True)
2975    p.add_argument('-a', '--traddr',
2976                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2977    p.add_argument('-d', '--dev-type',
2978                   help='Device type: blk or scsi', required=True)
2979    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2980    p.add_argument('--vq-size', help='Size of each queue', type=int)
2981    p.set_defaults(func=bdev_virtio_attach_controller)
2982
2983    def bdev_virtio_scsi_get_devices(args):
2984        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2985
2986    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
2987    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2988
2989    def bdev_virtio_detach_controller(args):
2990        rpc.vhost.bdev_virtio_detach_controller(args.client,
2991                                                name=args.name)
2992
2993    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
2994    This will delete all bdevs exposed by this device""")
2995    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2996    p.set_defaults(func=bdev_virtio_detach_controller)
2997
2998    def bdev_virtio_blk_set_hotplug(args):
2999        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3000
3001    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3002    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3003    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3004    p.add_argument('-r', '--period-us',
3005                   help='How often the hotplug is processed for insert and remove events', type=int)
3006    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3007
3008    # vfio-user target
3009    def vfu_tgt_set_base_path(args):
3010        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3011
3012    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3013    p.add_argument('path', help='socket base path')
3014    p.set_defaults(func=vfu_tgt_set_base_path)
3015
3016    def vfu_virtio_delete_endpoint(args):
3017        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3018
3019    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3020    p.add_argument('name', help='Endpoint name')
3021    p.set_defaults(func=vfu_virtio_delete_endpoint)
3022
3023    def vfu_virtio_create_blk_endpoint(args):
3024        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3025                                                     name=args.name,
3026                                                     bdev_name=args.bdev_name,
3027                                                     cpumask=args.cpumask,
3028                                                     num_queues=args.num_queues,
3029                                                     qsize=args.qsize,
3030                                                     packed_ring=args.packed_ring)
3031
3032    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3033    p.add_argument('name', help='Name of the endpoint')
3034    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3035    p.add_argument('--cpumask', help='CPU masks')
3036    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3037    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3038    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3039    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3040
3041    def vfu_virtio_scsi_add_target(args):
3042        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3043                                                 name=args.name,
3044                                                 scsi_target_num=args.scsi_target_num,
3045                                                 bdev_name=args.bdev_name)
3046
3047    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3048    p.add_argument('name', help='Name of the endpoint')
3049    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3050    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3051    p.set_defaults(func=vfu_virtio_scsi_add_target)
3052
3053    def vfu_virtio_scsi_remove_target(args):
3054        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3055                                                    name=args.name,
3056                                                    scsi_target_num=args.scsi_target_num)
3057
3058    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3059    p.add_argument('name', help='Name of the endpoint')
3060    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3061    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3062
3063    def vfu_virtio_create_scsi_endpoint(args):
3064        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3065                                                      name=args.name,
3066                                                      cpumask=args.cpumask,
3067                                                      num_io_queues=args.num_io_queues,
3068                                                      qsize=args.qsize,
3069                                                      packed_ring=args.packed_ring)
3070
3071    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3072    p.add_argument('name', help='Name of the endpoint')
3073    p.add_argument('--cpumask', help='CPU masks')
3074    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3075    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3076    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3077    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3078
3079    # accel_fw
3080    def accel_get_opc_assignments(args):
3081        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3082
3083    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3084    p.set_defaults(func=accel_get_opc_assignments)
3085
3086    def accel_get_module_info(args):
3087        print_dict(rpc.accel.accel_get_module_info(args.client))
3088
3089    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3090                              help='Get list of valid module names and their operations.')
3091    p.set_defaults(func=accel_get_module_info)
3092
3093    def accel_assign_opc(args):
3094        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3095
3096    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3097    p.add_argument('-o', '--opname', help='opname')
3098    p.add_argument('-m', '--module', help='name of module')
3099    p.set_defaults(func=accel_assign_opc)
3100
3101    def accel_crypto_key_create(args):
3102        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3103                                                     cipher=args.cipher,
3104                                                     key=args.key,
3105                                                     key2=args.key2,
3106                                                     tweak_mode=args.tweak_mode,
3107                                                     name=args.name))
3108
3109    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3110    p.add_argument('-c', '--cipher', help='cipher', required=True)
3111    p.add_argument('-k', '--key', help='key', required=True)
3112    p.add_argument('-e', '--key2', help='key2', default=None)
3113    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3114    p.add_argument('-n', '--name', help='key name', required=True)
3115    p.set_defaults(func=accel_crypto_key_create)
3116
3117    def accel_crypto_key_destroy(args):
3118        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3119                                                      key_name=args.name))
3120
3121    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3122    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3123    p.set_defaults(func=accel_crypto_key_destroy)
3124
3125    def accel_crypto_keys_get(args):
3126        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3127                                                   key_name=args.key_name))
3128
3129    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3130    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3131    p.set_defaults(func=accel_crypto_keys_get)
3132
3133    def accel_set_driver(args):
3134        rpc.accel.accel_set_driver(args.client, name=args.name)
3135
3136    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3137                              'operation chains')
3138    p.add_argument('name', help='name of the platform driver')
3139    p.set_defaults(func=accel_set_driver)
3140
3141    def accel_set_options(args):
3142        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3143                                    args.task_count, args.sequence_count, args.buf_count)
3144
3145    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3146    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3147    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3148    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3149    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3150    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3151    p.set_defaults(func=accel_set_options)
3152
3153    def accel_get_stats(args):
3154        print_dict(rpc.accel.accel_get_stats(args.client))
3155
3156    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3157    p.set_defaults(func=accel_get_stats)
3158
3159    # ioat
3160    def ioat_scan_accel_module(args):
3161        rpc.ioat.ioat_scan_accel_module(args.client)
3162
3163    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3164                              help='Enable IOAT accel module offload.')
3165    p.set_defaults(func=ioat_scan_accel_module)
3166
3167    # dpdk compressdev
3168    def compressdev_scan_accel_module(args):
3169        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3170
3171    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3172    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3173    p.set_defaults(func=compressdev_scan_accel_module)
3174
3175    # dsa
3176    def dsa_scan_accel_module(args):
3177        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3178
3179    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3180                              help='Set config and enable dsa accel module offload.')
3181    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3182                   action='store_true', dest='config_kernel_mode')
3183    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3184
3185    # iaa
3186    def iaa_scan_accel_module(args):
3187        rpc.iaa.iaa_scan_accel_module(args.client)
3188
3189    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3190                              help='Set config and enable iaa accel module offload.')
3191    p.set_defaults(func=iaa_scan_accel_module)
3192
3193    def dpdk_cryptodev_scan_accel_module(args):
3194        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3195
3196    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3197                              help='Enable dpdk_cryptodev accel module offload.')
3198    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3199
3200    def dpdk_cryptodev_set_driver(args):
3201        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3202                                                     driver_name=args.driver_name)
3203
3204    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3205                              help='Set the DPDK cryptodev driver.')
3206    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3207    p.set_defaults(func=dpdk_cryptodev_set_driver)
3208
3209    def dpdk_cryptodev_get_driver(args):
3210        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3211
3212    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3213    p.set_defaults(func=dpdk_cryptodev_get_driver)
3214
3215    # mlx5
3216    def mlx5_scan_accel_module(args):
3217        rpc.mlx5.mlx5_scan_accel_module(args.client,
3218                                        qp_size=args.qp_size,
3219                                        num_requests=args.num_requests)
3220
3221    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3222    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3223    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3224    p.set_defaults(func=mlx5_scan_accel_module)
3225
3226    # accel_error
3227    def accel_error_inject_error(args):
3228        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3229                                           type=args.type, count=args.count,
3230                                           interval=args.interval, errcode=args.errcode)
3231
3232    p = subparsers.add_parser('accel_error_inject_error',
3233                              help='Inject an error to processing accel operation')
3234    p.add_argument('-o', '--opcode', help='Opcode')
3235    p.add_argument('-t', '--type',
3236                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3237    p.add_argument('-c', '--count', type=int,
3238                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3239    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3240    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3241    p.set_defaults(func=accel_error_inject_error)
3242
3243    # opal
3244    def bdev_nvme_opal_init(args):
3245        rpc.nvme.bdev_nvme_opal_init(args.client,
3246                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3247                                     password=args.password)
3248
3249    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3250    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3251    p.add_argument('-p', '--password', help='password for admin')
3252    p.set_defaults(func=bdev_nvme_opal_init)
3253
3254    def bdev_nvme_opal_revert(args):
3255        rpc.nvme.bdev_nvme_opal_revert(args.client,
3256                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3257                                       password=args.password)
3258    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3259    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3260    p.add_argument('-p', '--password', help='password')
3261    p.set_defaults(func=bdev_nvme_opal_revert)
3262
3263    def bdev_opal_create(args):
3264        print_json(rpc.bdev.bdev_opal_create(args.client,
3265                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3266                                             nsid=args.nsid,
3267                                             locking_range_id=args.locking_range_id,
3268                                             range_start=args.range_start,
3269                                             range_length=args.range_length,
3270                                             password=args.password))
3271
3272    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3273    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3274    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3275    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3276    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3277    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3278    p.add_argument('-p', '--password', help='admin password', required=True)
3279    p.set_defaults(func=bdev_opal_create)
3280
3281    def bdev_opal_get_info(args):
3282        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3283                                               bdev_name=args.bdev_name,
3284                                               password=args.password))
3285
3286    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3287    p.add_argument('-b', '--bdev-name', help='opal bdev')
3288    p.add_argument('-p', '--password', help='password')
3289    p.set_defaults(func=bdev_opal_get_info)
3290
3291    def bdev_opal_delete(args):
3292        rpc.bdev.bdev_opal_delete(args.client,
3293                                  bdev_name=args.bdev_name,
3294                                  password=args.password)
3295
3296    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3297    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3298    p.add_argument('-p', '--password', help='admin password', required=True)
3299    p.set_defaults(func=bdev_opal_delete)
3300
3301    def bdev_opal_new_user(args):
3302        rpc.bdev.bdev_opal_new_user(args.client,
3303                                    bdev_name=args.bdev_name,
3304                                    admin_password=args.admin_password,
3305                                    user_id=args.user_id,
3306                                    user_password=args.user_password)
3307
3308    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3309    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3310    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3311    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3312    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3313    p.set_defaults(func=bdev_opal_new_user)
3314
3315    def bdev_opal_set_lock_state(args):
3316        rpc.bdev.bdev_opal_set_lock_state(args.client,
3317                                          bdev_name=args.bdev_name,
3318                                          user_id=args.user_id,
3319                                          password=args.password,
3320                                          lock_state=args.lock_state)
3321
3322    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3323    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3324    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',
3325                   type=int, required=True)
3326    p.add_argument('-p', '--password', help='password of this user', required=True)
3327    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3328    p.set_defaults(func=bdev_opal_set_lock_state)
3329
3330    # bdev_nvme_send_cmd
3331    def bdev_nvme_send_cmd(args):
3332        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3333                                               name=args.nvme_name,
3334                                               cmd_type=args.cmd_type,
3335                                               data_direction=args.data_direction,
3336                                               cmdbuf=args.cmdbuf,
3337                                               data=args.data,
3338                                               metadata=args.metadata,
3339                                               data_len=args.data_length,
3340                                               metadata_len=args.metadata_length,
3341                                               timeout_ms=args.timeout_ms))
3342
3343    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3344    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3345    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3346    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3347    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3348    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3349    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3350    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3351    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3352    p.add_argument('-T', '--timeout-ms',
3353                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3354    p.set_defaults(func=bdev_nvme_send_cmd)
3355
3356    # Notifications
3357    def notify_get_types(args):
3358        print_dict(rpc.notify.notify_get_types(args.client))
3359
3360    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3361    p.set_defaults(func=notify_get_types)
3362
3363    def notify_get_notifications(args):
3364        ret = rpc.notify.notify_get_notifications(args.client,
3365                                                  id=args.id,
3366                                                  max=args.max)
3367        print_dict(ret)
3368
3369    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3370    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3371    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3372    p.set_defaults(func=notify_get_notifications)
3373
3374    def thread_get_stats(args):
3375        print_dict(rpc.app.thread_get_stats(args.client))
3376
3377    p = subparsers.add_parser(
3378        'thread_get_stats', help='Display current statistics of all the threads')
3379    p.set_defaults(func=thread_get_stats)
3380
3381    def thread_set_cpumask(args):
3382        ret = rpc.app.thread_set_cpumask(args.client,
3383                                         id=args.id,
3384                                         cpumask=args.cpumask)
3385    p = subparsers.add_parser('thread_set_cpumask',
3386                              help="""set the cpumask of the thread whose ID matches to the
3387    specified value. The thread may be migrated to one of the specified CPUs.""")
3388    p.add_argument('-i', '--id', type=int, help='thread ID')
3389    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3390    p.set_defaults(func=thread_set_cpumask)
3391
3392    def log_enable_timestamps(args):
3393        ret = rpc.app.log_enable_timestamps(args.client,
3394                                            enabled=args.enabled)
3395    p = subparsers.add_parser('log_enable_timestamps',
3396                              help='Enable or disable timestamps.')
3397    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3398    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3399    p.set_defaults(func=log_enable_timestamps)
3400
3401    def thread_get_pollers(args):
3402        print_dict(rpc.app.thread_get_pollers(args.client))
3403
3404    p = subparsers.add_parser(
3405        'thread_get_pollers', help='Display current pollers of all the threads')
3406    p.set_defaults(func=thread_get_pollers)
3407
3408    def thread_get_io_channels(args):
3409        print_dict(rpc.app.thread_get_io_channels(args.client))
3410
3411    p = subparsers.add_parser(
3412        'thread_get_io_channels', help='Display current IO channels of all the threads')
3413    p.set_defaults(func=thread_get_io_channels)
3414
3415    def env_dpdk_get_mem_stats(args):
3416        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3417
3418    p = subparsers.add_parser(
3419        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3420    p.set_defaults(func=env_dpdk_get_mem_stats)
3421
3422    # blobfs
3423    def blobfs_detect(args):
3424        print(rpc.blobfs.blobfs_detect(args.client,
3425                                       bdev_name=args.bdev_name))
3426
3427    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3428    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3429    p.set_defaults(func=blobfs_detect)
3430
3431    def blobfs_create(args):
3432        print(rpc.blobfs.blobfs_create(args.client,
3433                                       bdev_name=args.bdev_name,
3434                                       cluster_sz=args.cluster_sz))
3435
3436    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3437    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3438    p.add_argument('-c', '--cluster-sz',
3439                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3440    p.set_defaults(func=blobfs_create)
3441
3442    def blobfs_mount(args):
3443        print(rpc.blobfs.blobfs_mount(args.client,
3444                                      bdev_name=args.bdev_name,
3445                                      mountpoint=args.mountpoint))
3446
3447    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3448    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3449    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3450    p.set_defaults(func=blobfs_mount)
3451
3452    def blobfs_set_cache_size(args):
3453        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3454                                               size_in_mb=args.size_in_mb))
3455
3456    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3457    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3458    p.set_defaults(func=blobfs_set_cache_size)
3459
3460    # sock
3461    def sock_impl_get_options(args):
3462        print_json(rpc.sock.sock_impl_get_options(args.client,
3463                                                  impl_name=args.impl))
3464
3465    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3466    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3467    p.set_defaults(func=sock_impl_get_options)
3468
3469    def sock_impl_set_options(args):
3470        rpc.sock.sock_impl_set_options(args.client,
3471                                       impl_name=args.impl,
3472                                       recv_buf_size=args.recv_buf_size,
3473                                       send_buf_size=args.send_buf_size,
3474                                       enable_recv_pipe=args.enable_recv_pipe,
3475                                       enable_quickack=args.enable_quickack,
3476                                       enable_placement_id=args.enable_placement_id,
3477                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3478                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3479                                       zerocopy_threshold=args.zerocopy_threshold,
3480                                       tls_version=args.tls_version,
3481                                       enable_ktls=args.enable_ktls)
3482
3483    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3484    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3485    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3486    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3487    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3488    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3489                   action='store_true', dest='enable_recv_pipe')
3490    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3491                   action='store_false', dest='enable_recv_pipe')
3492    p.add_argument('--enable-quickack', help='Enable quick ACK',
3493                   action='store_true', dest='enable_quickack')
3494    p.add_argument('--disable-quickack', help='Disable quick ACK',
3495                   action='store_false', dest='enable_quickack')
3496    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3497                   action='store_true', dest='enable_zerocopy_send_server')
3498    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3499                   action='store_false', dest='enable_zerocopy_send_server')
3500    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3501                   action='store_true', dest='enable_zerocopy_send_client')
3502    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3503                   action='store_false', dest='enable_zerocopy_send_client')
3504    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3505    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3506    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3507                   action='store_true', dest='enable_ktls')
3508    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3509                   action='store_false', dest='enable_ktls')
3510    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3511                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3512                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3513
3514    def sock_set_default_impl(args):
3515        print_json(rpc.sock.sock_set_default_impl(args.client,
3516                                                  impl_name=args.impl))
3517
3518    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3519    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3520    p.set_defaults(func=sock_set_default_impl)
3521
3522    def sock_get_default_impl(args):
3523        print_json(rpc.sock.sock_get_default_impl(args.client))
3524
3525    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3526    p.set_defaults(func=sock_get_default_impl)
3527
3528    def framework_get_pci_devices(args):
3529        def splitbuf(buf, step):
3530            return [buf[i:i+step] for i in range(0, len(buf), step)]
3531
3532        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3533        if not args.format_lspci:
3534            print_json(devices)
3535        else:
3536            for devid, dev in enumerate(devices):
3537                print('{} device #{}'.format(dev['address'], devid))
3538                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3539                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3540                print()
3541
3542    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3543    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3544                   action='store_true')
3545    p.set_defaults(func=framework_get_pci_devices)
3546
3547    # bdev_nvme_add_error_injection
3548    def bdev_nvme_add_error_injection(args):
3549        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3550                                                          name=args.nvme_name,
3551                                                          cmd_type=args.cmd_type,
3552                                                          opc=args.opc,
3553                                                          do_not_submit=args.do_not_submit,
3554                                                          timeout_in_us=args.timeout_in_us,
3555                                                          err_count=args.err_count,
3556                                                          sct=args.sct,
3557                                                          sc=args.sc))
3558    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3559                              help='Add a NVMe command error injection.')
3560    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3561    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3562    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3563    p.add_argument('-s', '--do-not-submit',
3564                   help="""Set to true if request should not be submitted to the controller""",
3565                   dest="do_not_submit", action='store_true')
3566    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3567    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3568    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3569    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3570    p.set_defaults(func=bdev_nvme_add_error_injection)
3571
3572    # bdev_nvme_remove_error_injection
3573    def bdev_nvme_remove_error_injection(args):
3574        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3575                                                             name=args.nvme_name,
3576                                                             cmd_type=args.cmd_type,
3577                                                             opc=args.opc))
3578    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3579                              help='Removes a NVMe command error injection.')
3580    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3581    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3582    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3583    p.set_defaults(func=bdev_nvme_remove_error_injection)
3584
3585    def bdev_daos_create(args):
3586        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3587        print_json(rpc.bdev.bdev_daos_create(args.client,
3588                                             num_blocks=int(num_blocks),
3589                                             block_size=args.block_size,
3590                                             name=args.name,
3591                                             uuid=args.uuid,
3592                                             pool=args.pool,
3593                                             cont=args.cont,
3594                                             oclass=args.oclass))
3595    p = subparsers.add_parser('bdev_daos_create',
3596                              help='Create a bdev with DAOS backend')
3597    p.add_argument('name', help="Name of the bdev")
3598    p.add_argument('pool', help="UUID of the DAOS pool")
3599    p.add_argument('cont', help="UUID of the DAOS container")
3600    p.add_argument(
3601        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3602    p.add_argument('block_size', help='Block size for this bdev', type=int)
3603    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3604    p.add_argument('-o', '--oclass', help="DAOS object class")
3605    p.set_defaults(func=bdev_daos_create)
3606
3607    def bdev_daos_delete(args):
3608        rpc.bdev.bdev_daos_delete(args.client,
3609                                  name=args.name)
3610
3611    p = subparsers.add_parser('bdev_daos_delete',
3612                              help='Delete a DAOS disk')
3613    p.add_argument('name', help='DAOS bdev name')
3614    p.set_defaults(func=bdev_daos_delete)
3615
3616    def bdev_daos_resize(args):
3617        print_json(rpc.bdev.bdev_daos_resize(args.client,
3618                                             name=args.name,
3619                                             new_size=int(args.new_size)))
3620
3621    p = subparsers.add_parser('bdev_daos_resize',
3622                              help='Resize a DAOS bdev')
3623    p.add_argument('name', help='DAOS bdev name')
3624    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3625    p.set_defaults(func=bdev_daos_resize)
3626
3627    def iobuf_set_options(args):
3628        rpc.iobuf.iobuf_set_options(args.client,
3629                                    small_pool_count=args.small_pool_count,
3630                                    large_pool_count=args.large_pool_count,
3631                                    small_bufsize=args.small_bufsize,
3632                                    large_bufsize=args.large_bufsize)
3633    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3634    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3635    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3636    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3637    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3638    p.set_defaults(func=iobuf_set_options)
3639
3640    def iobuf_get_stats(args):
3641        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3642
3643    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3644    p.set_defaults(func=iobuf_get_stats)
3645
3646    def bdev_nvme_start_mdns_discovery(args):
3647        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3648                                                name=args.name,
3649                                                svcname=args.svcname,
3650                                                hostnqn=args.hostnqn)
3651
3652    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3653    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3654    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3655    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3656    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3657
3658    def bdev_nvme_stop_mdns_discovery(args):
3659        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3660
3661    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3662    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3663    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3664
3665    def bdev_nvme_get_mdns_discovery_info(args):
3666        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3667
3668    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3669    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3670
3671    def keyring_file_add_key(args):
3672        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3673
3674    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3675    p.add_argument('name', help='Name of the key to add')
3676    p.add_argument('path', help='Path of the file containing the key')
3677    p.set_defaults(func=keyring_file_add_key)
3678
3679    def keyring_file_remove_key(args):
3680        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3681
3682    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3683    p.add_argument('name', help='Name of the key to remove')
3684    p.set_defaults(func=keyring_file_remove_key)
3685
3686    def keyring_get_keys(args):
3687        print_dict(rpc.keyring.keyring_get_keys(args.client))
3688
3689    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3690    p.set_defaults(func=keyring_get_keys)
3691
3692    def keyring_linux_set_options(args):
3693        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3694
3695    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3696    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3697    p.set_defaults(func=keyring_linux_set_options)
3698
3699    def check_called_name(name):
3700        if name in deprecated_aliases:
3701            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3702
3703    class dry_run_client:
3704        def call(self, method, params=None):
3705            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3706
3707    def null_print(arg):
3708        pass
3709
3710    def call_rpc_func(args):
3711        args.func(args)
3712        check_called_name(args.called_rpc_name)
3713
3714    def execute_script(parser, client, fd):
3715        executed_rpc = ""
3716        for rpc_call in map(str.rstrip, fd):
3717            if not rpc_call.strip():
3718                continue
3719            executed_rpc = "\n".join([executed_rpc, rpc_call])
3720            rpc_args = shlex.split(rpc_call)
3721            if rpc_args[0][0] == '#':
3722                # Ignore lines starting with # - treat them as comments
3723                continue
3724            args = parser.parse_args(rpc_args)
3725            args.client = client
3726            try:
3727                call_rpc_func(args)
3728            except JSONRPCException as ex:
3729                print("Exception:")
3730                print(executed_rpc.strip() + " <<<")
3731                print(ex.message)
3732                exit(1)
3733
3734    def load_plugin(args):
3735        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3736        plugin_parser = argparse.ArgumentParser(add_help=False)
3737        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3738
3739        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3740        if args is not None:
3741            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3742
3743        if rpc_module in plugins:
3744            return
3745
3746        if rpc_module is not None:
3747            try:
3748                rpc_plugin = importlib.import_module(rpc_module)
3749                try:
3750                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3751                    plugins.append(rpc_module)
3752                except AttributeError:
3753                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3754            except ModuleNotFoundError:
3755                print("Module %s not found" % rpc_module)
3756
3757    def replace_arg_underscores(args):
3758        # All option names are defined with dashes only - for example: --tgt-name
3759        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3760        # SPDK was inconsistent previously and had some options with underscores, so
3761        # doing this conversion ensures backward compatibility with older scripts.
3762        for i in range(len(args)):
3763            arg = args[i]
3764            if arg.startswith('--') and "_" in arg:
3765                opt, *vals = arg.split('=')
3766                args[i] = '='.join([opt.replace('_', '-'), *vals])
3767
3768    plugins = []
3769    load_plugin(None)
3770
3771    replace_arg_underscores(sys.argv)
3772
3773    args = parser.parse_args()
3774
3775    try:
3776        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3777    except ValueError:
3778        use_go_client = False
3779
3780    if sys.stdin.isatty() and not hasattr(args, 'func'):
3781        # No arguments and no data piped through stdin
3782        parser.print_help()
3783        exit(1)
3784    if args.is_server:
3785        for input in sys.stdin:
3786            cmd = shlex.split(input)
3787            replace_arg_underscores(cmd)
3788            try:
3789                load_plugin(cmd)
3790                tmp_args = parser.parse_args(cmd)
3791            except SystemExit as ex:
3792                print("**STATUS=1", flush=True)
3793                continue
3794
3795            try:
3796                if use_go_client:
3797                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3798                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3799                else:
3800                    tmp_args.client = rpc.client.JSONRPCClient(
3801                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3802                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3803                call_rpc_func(tmp_args)
3804                print("**STATUS=0", flush=True)
3805            except JSONRPCException as ex:
3806                print(ex.message)
3807                print("**STATUS=1", flush=True)
3808        exit(0)
3809    elif args.dry_run:
3810        args.client = dry_run_client()
3811        print_dict = null_print
3812        print_json = null_print
3813        print_array = null_print
3814    elif args.go_client or use_go_client:
3815        try:
3816            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3817                                                     log_level=getattr(logging, args.verbose.upper()))
3818        except JSONRPCException as ex:
3819            print(ex.message)
3820            exit(1)
3821    else:
3822        try:
3823            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3824                                                   log_level=getattr(logging, args.verbose.upper()),
3825                                                   conn_retries=args.conn_retries)
3826        except JSONRPCException as ex:
3827            print(ex.message)
3828            exit(1)
3829
3830    if hasattr(args, 'func'):
3831        try:
3832            call_rpc_func(args)
3833        except JSONRPCException as ex:
3834            print(ex.message)
3835            exit(1)
3836    else:
3837        execute_script(parser, args.client, sys.stdin)
3838