xref: /spdk/scripts/rpc.py (revision dde60dba3c4b6614b3550a0a974be18146cd1e7d)
1#!/usr/bin/env python3
2#  SPDX-License-Identifier: BSD-3-Clause
3#  Copyright (C) 2016 Intel Corporation
4#  All rights reserved.
5#  Copyright (c) 2022 Dell Inc, or its subsidiaries.
6#  Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
7#
8
9import logging
10import argparse
11import importlib
12import os
13import sys
14import shlex
15import json
16
17try:
18    from shlex import quote
19except ImportError:
20    from pipes import quote
21
22sys.path.append(os.path.dirname(__file__) + '/../python')
23
24import spdk.rpc as rpc  # noqa
25from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
26from spdk.rpc.helpers import deprecated_aliases  # noqa
27
28
29def print_array(a):
30    print(" ".join((quote(v) for v in a)))
31
32
33if __name__ == "__main__":
34    parser = argparse.ArgumentParser(
35        description='SPDK RPC command line interface', usage='%(prog)s [options]')
36    parser.add_argument('-s', dest='server_addr',
37                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
38    parser.add_argument('-p', dest='port',
39                        help='RPC port number (if server_addr is IP address)',
40                        default=5260, type=int)
41    parser.add_argument('-t', dest='timeout',
42                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
43                        default=None, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent)
98
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int)
181    p.set_defaults(func=framework_set_scheduler)
182
183    def framework_get_scheduler(args):
184        print_dict(rpc.app.framework_get_scheduler(args.client))
185
186    p = subparsers.add_parser(
187        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
188    p.set_defaults(func=framework_get_scheduler)
189
190    def framework_get_governor(args):
191        print_dict(rpc.app.framework_get_governor(args.client))
192
193    p = subparsers.add_parser(
194        'framework_get_governor', help='Display currently set governor and the available, set CPU frequencies.')
195    p.set_defaults(func=framework_get_governor)
196
197    def framework_disable_cpumask_locks(args):
198        rpc.framework_disable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_disable_cpumask_locks',
201                              help='Disable CPU core lock files.')
202    p.set_defaults(func=framework_disable_cpumask_locks)
203
204    def framework_enable_cpumask_locks(args):
205        rpc.framework_enable_cpumask_locks(args.client)
206
207    p = subparsers.add_parser('framework_enable_cpumask_locks',
208                              help='Enable CPU core lock files.')
209    p.set_defaults(func=framework_enable_cpumask_locks)
210
211    # bdev
212    def bdev_set_options(args):
213        rpc.bdev.bdev_set_options(args.client,
214                                  bdev_io_pool_size=args.bdev_io_pool_size,
215                                  bdev_io_cache_size=args.bdev_io_cache_size,
216                                  bdev_auto_examine=args.bdev_auto_examine,
217                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
218                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
219
220    p = subparsers.add_parser('bdev_set_options',
221                              help="""Set options of bdev subsystem""")
222    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
223    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
224    group = p.add_mutually_exclusive_group()
225    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
226    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
227    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
228    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
229    p.set_defaults(bdev_auto_examine=True)
230    p.set_defaults(func=bdev_set_options)
231
232    def bdev_examine(args):
233        rpc.bdev.bdev_examine(args.client,
234                              name=args.name)
235
236    p = subparsers.add_parser('bdev_examine',
237                              help="""examine a bdev if it exists, or will examine it after it is created""")
238    p.add_argument('-b', '--name', help='Name or alias of the bdev')
239    p.set_defaults(func=bdev_examine)
240
241    def bdev_wait_for_examine(args):
242        rpc.bdev.bdev_wait_for_examine(args.client)
243
244    p = subparsers.add_parser('bdev_wait_for_examine',
245                              help="""Report when all bdevs have been examined""")
246    p.set_defaults(func=bdev_wait_for_examine)
247
248    def bdev_compress_create(args):
249        print_json(rpc.bdev.bdev_compress_create(args.client,
250                                                 base_bdev_name=args.base_bdev_name,
251                                                 pm_path=args.pm_path,
252                                                 lb_size=args.lb_size))
253
254    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
255    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
256    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
257    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
258    p.set_defaults(func=bdev_compress_create)
259
260    def bdev_compress_delete(args):
261        rpc.bdev.bdev_compress_delete(args.client,
262                                      name=args.name)
263
264    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
265    p.add_argument('name', help='compress bdev name')
266    p.set_defaults(func=bdev_compress_delete)
267
268    def bdev_compress_get_orphans(args):
269        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
270                                                      name=args.name))
271    p = subparsers.add_parser(
272        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
273    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
274    p.set_defaults(func=bdev_compress_get_orphans)
275
276    def bdev_crypto_create(args):
277        print_json(rpc.bdev.bdev_crypto_create(args.client,
278                                               base_bdev_name=args.base_bdev_name,
279                                               name=args.name,
280                                               crypto_pmd=args.crypto_pmd,
281                                               key=args.key,
282                                               cipher=args.cipher,
283                                               key2=args.key2,
284                                               key_name=args.key_name))
285    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
286    p.add_argument('base_bdev_name', help="Name of the base bdev")
287    p.add_argument('name', help="Name of the crypto vbdev")
288    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
289    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
290    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
291    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
292    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
293    p.set_defaults(func=bdev_crypto_create)
294
295    def bdev_crypto_delete(args):
296        rpc.bdev.bdev_crypto_delete(args.client,
297                                    name=args.name)
298
299    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
300    p.add_argument('name', help='crypto bdev name')
301    p.set_defaults(func=bdev_crypto_delete)
302
303    def bdev_ocf_create(args):
304        print_json(rpc.bdev.bdev_ocf_create(args.client,
305                                            name=args.name,
306                                            mode=args.mode,
307                                            cache_line_size=args.cache_line_size,
308                                            cache_bdev_name=args.cache_bdev_name,
309                                            core_bdev_name=args.core_bdev_name))
310    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
311    p.add_argument('name', help='Name of resulting OCF bdev')
312    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
313    p.add_argument(
314        '--cache-line-size',
315        help='OCF cache line size. The unit is KiB',
316        type=int,
317        choices=[4, 8, 16, 32, 64]
318    )
319    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
320    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
321    p.set_defaults(func=bdev_ocf_create)
322
323    def bdev_ocf_delete(args):
324        rpc.bdev.bdev_ocf_delete(args.client,
325                                 name=args.name)
326
327    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_delete)
330
331    def bdev_ocf_get_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
333                                               name=args.name))
334    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_get_stats)
337
338    def bdev_ocf_reset_stats(args):
339        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
340                                                 name=args.name))
341    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
342    p.add_argument('name', help='Name of OCF bdev')
343    p.set_defaults(func=bdev_ocf_reset_stats)
344
345    def bdev_ocf_get_bdevs(args):
346        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
347                                               name=args.name))
348    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
349    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
350    p.set_defaults(func=bdev_ocf_get_bdevs)
351
352    def bdev_ocf_set_cache_mode(args):
353        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
354                                                    name=args.name,
355                                                    mode=args.mode))
356    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
357                              help='Set cache mode of OCF block device')
358    p.add_argument('name', help='Name of OCF bdev')
359    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
360    p.set_defaults(func=bdev_ocf_set_cache_mode)
361
362    def bdev_ocf_set_seqcutoff(args):
363        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
364                                        name=args.name,
365                                        policy=args.policy,
366                                        threshold=args.threshold,
367                                        promotion_count=args.promotion_count)
368    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
369                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
370    p.add_argument('name', help='Name of OCF cache bdev')
371    p.add_argument('-t', '--threshold', type=int,
372                   help='Activation threshold [KiB]')
373    p.add_argument('-c', '--promotion-count', type=int,
374                   help='Promotion request count')
375    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
376                   help='Sequential cutoff policy')
377    p.set_defaults(func=bdev_ocf_set_seqcutoff)
378
379    def bdev_ocf_flush_start(args):
380        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
381    p = subparsers.add_parser('bdev_ocf_flush_start',
382                              help='Start flushing OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_start)
385
386    def bdev_ocf_flush_status(args):
387        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
388    p = subparsers.add_parser('bdev_ocf_flush_status',
389                              help='Get flush status of OCF cache device')
390    p.add_argument('name', help='Name of OCF bdev')
391    p.set_defaults(func=bdev_ocf_flush_status)
392
393    def bdev_malloc_create(args):
394        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
395        print_json(rpc.bdev.bdev_malloc_create(args.client,
396                                               num_blocks=int(num_blocks),
397                                               block_size=args.block_size,
398                                               physical_block_size=args.physical_block_size,
399                                               name=args.name,
400                                               uuid=args.uuid,
401                                               optimal_io_boundary=args.optimal_io_boundary,
402                                               md_size=args.md_size,
403                                               md_interleave=args.md_interleave,
404                                               dif_type=args.dif_type,
405                                               dif_is_head_of_md=args.dif_is_head_of_md))
406    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
407    p.add_argument('-b', '--name', help="Name of the bdev")
408    p.add_argument('-u', '--uuid', help="UUID of the bdev")
409    p.add_argument(
410        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
411    p.add_argument('block_size', help='Data block size for this bdev', type=int)
412    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
413    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
414    blocks, default 0 (disabled)""", type=int)
415    p.add_argument('-m', '--md-size', type=int,
416                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
417    p.add_argument('-i', '--md-interleave', action='store_true',
418                   help='Metadata location, interleaved if set, and separated if omitted.')
419    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
420                   help='Protection information type. Parameter --md-size needs'
421                        'to be set along --dif-type. Default=0 - no protection.')
422    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
423                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
424    p.set_defaults(func=bdev_malloc_create)
425
426    def bdev_malloc_delete(args):
427        rpc.bdev.bdev_malloc_delete(args.client,
428                                    name=args.name)
429
430    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
431    p.add_argument('name', help='malloc bdev name')
432    p.set_defaults(func=bdev_malloc_delete)
433
434    def bdev_null_create(args):
435        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
436        if args.dif_type and not args.md_size:
437            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
438            exit(1)
439        print_json(rpc.bdev.bdev_null_create(args.client,
440                                             num_blocks=num_blocks,
441                                             block_size=args.block_size,
442                                             physical_block_size=args.physical_block_size,
443                                             name=args.name,
444                                             uuid=args.uuid,
445                                             md_size=args.md_size,
446                                             dif_type=args.dif_type,
447                                             dif_is_head_of_md=args.dif_is_head_of_md))
448
449    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
450    p.add_argument('name', help='Block device name')
451    p.add_argument('-u', '--uuid', help='UUID of the bdev')
452    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
453    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
454    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
455    p.add_argument('-m', '--md-size', type=int,
456                   help='Metadata size for this bdev. Default=0.')
457    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
458                   help='Protection information type. Parameter --md-size needs'
459                        'to be set along --dif-type. Default=0 - no protection.')
460    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
461                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
462    p.set_defaults(func=bdev_null_create)
463
464    def bdev_null_delete(args):
465        rpc.bdev.bdev_null_delete(args.client,
466                                  name=args.name)
467
468    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
469    p.add_argument('name', help='null bdev name')
470    p.set_defaults(func=bdev_null_delete)
471
472    def bdev_null_resize(args):
473        print_json(rpc.bdev.bdev_null_resize(args.client,
474                                             name=args.name,
475                                             new_size=int(args.new_size)))
476
477    p = subparsers.add_parser('bdev_null_resize',
478                              help='Resize a null bdev')
479    p.add_argument('name', help='null bdev name')
480    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
481    p.set_defaults(func=bdev_null_resize)
482
483    def bdev_aio_create(args):
484        print_json(rpc.bdev.bdev_aio_create(args.client,
485                                            filename=args.filename,
486                                            name=args.name,
487                                            block_size=args.block_size,
488                                            readonly=args.readonly,
489                                            fallocate=args.fallocate))
490
491    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
492    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
493    p.add_argument('name', help='Block device name')
494    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
495    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
496    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
497    p.set_defaults(func=bdev_aio_create)
498
499    def bdev_aio_rescan(args):
500        print_json(rpc.bdev.bdev_aio_rescan(args.client,
501                                            name=args.name))
502
503    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
504    p.add_argument('name', help='Block device name')
505    p.set_defaults(func=bdev_aio_rescan)
506
507    def bdev_aio_delete(args):
508        rpc.bdev.bdev_aio_delete(args.client,
509                                 name=args.name)
510
511    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
512    p.add_argument('name', help='aio bdev name')
513    p.set_defaults(func=bdev_aio_delete)
514
515    def bdev_uring_create(args):
516        print_json(rpc.bdev.bdev_uring_create(args.client,
517                                              filename=args.filename,
518                                              name=args.name,
519                                              block_size=args.block_size,
520                                              uuid=args.uuid))
521
522    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
523    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
524    p.add_argument('name', help='bdev name')
525    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
526    p.add_argument('-u', '--uuid', help="UUID of the bdev")
527    p.set_defaults(func=bdev_uring_create)
528
529    def bdev_uring_rescan(args):
530        print_json(rpc.bdev.bdev_uring_rescan(args.client,
531                                              name=args.name))
532
533    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
534    p.add_argument('name', help='Block device name')
535    p.set_defaults(func=bdev_uring_rescan)
536
537    def bdev_uring_delete(args):
538        rpc.bdev.bdev_uring_delete(args.client,
539                                   name=args.name)
540
541    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
542    p.add_argument('name', help='uring bdev name')
543    p.set_defaults(func=bdev_uring_delete)
544
545    def bdev_xnvme_create(args):
546        print_json(rpc.bdev.bdev_xnvme_create(args.client,
547                                              filename=args.filename,
548                                              name=args.name,
549                                              io_mechanism=args.io_mechanism))
550
551    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
552    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
553    p.add_argument('name', help='name of xNVMe bdev to create')
554    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
555    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
556    p.set_defaults(func=bdev_xnvme_create)
557
558    def bdev_xnvme_delete(args):
559        rpc.bdev.bdev_xnvme_delete(args.client,
560                                   name=args.name)
561
562    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
563    p.add_argument('name', help='xNVMe bdev name')
564    p.set_defaults(func=bdev_xnvme_delete)
565
566    def bdev_nvme_set_options(args):
567        rpc.bdev.bdev_nvme_set_options(args.client,
568                                       action_on_timeout=args.action_on_timeout,
569                                       timeout_us=args.timeout_us,
570                                       timeout_admin_us=args.timeout_admin_us,
571                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
572                                       arbitration_burst=args.arbitration_burst,
573                                       low_priority_weight=args.low_priority_weight,
574                                       medium_priority_weight=args.medium_priority_weight,
575                                       high_priority_weight=args.high_priority_weight,
576                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
577                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
578                                       io_queue_requests=args.io_queue_requests,
579                                       delay_cmd_submit=args.delay_cmd_submit,
580                                       transport_retry_count=args.transport_retry_count,
581                                       bdev_retry_count=args.bdev_retry_count,
582                                       transport_ack_timeout=args.transport_ack_timeout,
583                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
584                                       reconnect_delay_sec=args.reconnect_delay_sec,
585                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
586                                       disable_auto_failback=args.disable_auto_failback,
587                                       generate_uuids=args.generate_uuids,
588                                       transport_tos=args.transport_tos,
589                                       nvme_error_stat=args.nvme_error_stat,
590                                       rdma_srq_size=args.rdma_srq_size,
591                                       io_path_stat=args.io_path_stat,
592                                       allow_accel_sequence=args.allow_accel_sequence,
593                                       rdma_max_cq_size=args.rdma_max_cq_size,
594                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
595                                       dhchap_digests=args.dhchap_digests,
596                                       dhchap_dhgroups=args.dhchap_dhgroups)
597
598    p = subparsers.add_parser('bdev_nvme_set_options',
599                              help='Set options for the bdev nvme type. This is startup command.')
600    p.add_argument('-a', '--action-on-timeout',
601                   help="Action to take on command time out. Valid values are: none, reset, abort")
602    p.add_argument('-t', '--timeout-us',
603                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
604    p.add_argument('--timeout-admin-us',
605                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
606    p.add_argument('-k', '--keep-alive-timeout-ms',
607                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
608    p.add_argument('--arbitration-burst',
609                   help='the value is expressed as a power of two', type=int)
610    p.add_argument('--low-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
612    p.add_argument('--medium-priority-weight',
613                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
614    p.add_argument('--high-priority-weight',
615                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
616    p.add_argument('-p', '--nvme-adminq-poll-period-us',
617                   help='How often the admin queue is polled for asynchronous events', type=int)
618    p.add_argument('-i', '--nvme-ioq-poll-period-us',
619                   help='How often to poll I/O queues for completions', type=int)
620    p.add_argument('-s', '--io-queue-requests',
621                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
622    p.add_argument('-d', '--disable-delay-cmd-submit',
623                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
624                   action='store_false', dest='delay_cmd_submit')
625    p.add_argument('-c', '--transport-retry-count',
626                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
627    p.add_argument('-r', '--bdev-retry-count',
628                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
629    p.add_argument('-e', '--transport-ack-timeout',
630                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
631                   Range 0-31 where 0 is driver-specific default value.""", type=int)
632    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
633                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
634                   -1 means infinite reconnect retries. 0 means no reconnect retry.
635                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
636                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
637                   reconnect_delay_sec.
638                   This can be overridden by bdev_nvme_attach_controller.""",
639                   type=int)
640    p.add_argument('-o', '--reconnect-delay-sec',
641                   help="""Time to delay a reconnect retry.
642                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
643                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
644                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
645                   less than ctrlr_loss_timeout_sec.
646                   This can be overridden by bdev_nvme_attach_controller.""",
647                   type=int)
648    p.add_argument('-u', '--fast-io-fail-timeout-sec',
649                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
650                   0 means no such timeout.
651                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
652                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
653                   This can be overridden by bdev_nvme_attach_controller.""",
654                   type=int)
655    p.add_argument('-f', '--disable-auto-failback',
656                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
657                   By default, immediately failback to the preferred I/O path if it restored.""",
658                   action='store_true')
659    p.add_argument('--generate-uuids',
660                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
661                   not provide UUID themselves. These strings are based on device serial number and
662                   namespace ID and will always be the same for that device.""", action='store_true')
663    p.add_argument('--transport-tos',
664                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
665                   The default is 0 which means no TOS is applied.""", type=int)
666    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
667    p.add_argument('-q', '--rdma-srq-size',
668                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
669    p.add_argument('--io-path-stat',
670                   help="""Enable collecting I/O path stat of each io path.""",
671                   action='store_true')
672    p.add_argument('--allow-accel-sequence',
673                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
674                   controller also supports them.''', action='store_true')
675    p.add_argument('--rdma-max-cq-size',
676                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
677    p.add_argument('--rdma-cm-event-timeout-ms',
678                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
679    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
680                   type=lambda d: d.split(','))
681    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
682                   type=lambda d: d.split(','))
683
684    p.set_defaults(func=bdev_nvme_set_options)
685
686    def bdev_nvme_set_hotplug(args):
687        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
688
689    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
690    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
691    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
692    p.add_argument('-r', '--period-us',
693                   help='How often the hotplug is processed for insert and remove events', type=int)
694    p.set_defaults(func=bdev_nvme_set_hotplug)
695
696    def bdev_nvme_attach_controller(args):
697        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
698                                                         name=args.name,
699                                                         trtype=args.trtype,
700                                                         traddr=args.traddr,
701                                                         adrfam=args.adrfam,
702                                                         trsvcid=args.trsvcid,
703                                                         priority=args.priority,
704                                                         subnqn=args.subnqn,
705                                                         hostnqn=args.hostnqn,
706                                                         hostaddr=args.hostaddr,
707                                                         hostsvcid=args.hostsvcid,
708                                                         prchk_reftag=args.prchk_reftag,
709                                                         prchk_guard=args.prchk_guard,
710                                                         hdgst=args.hdgst,
711                                                         ddgst=args.ddgst,
712                                                         fabrics_connect_timeout_us=args.fabrics_connect_timeout_us,
713                                                         multipath=args.multipath,
714                                                         num_io_queues=args.num_io_queues,
715                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
716                                                         reconnect_delay_sec=args.reconnect_delay_sec,
717                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
718                                                         psk=args.psk,
719                                                         max_bdevs=args.max_bdevs,
720                                                         dhchap_key=args.dhchap_key,
721                                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key))
722
723    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
724    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
725    p.add_argument('-t', '--trtype',
726                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
727    p.add_argument('-a', '--traddr',
728                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
729    p.add_argument('-f', '--adrfam',
730                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
731    p.add_argument('-s', '--trsvcid',
732                   help='NVMe-oF target trsvcid: e.g., a port number')
733    p.add_argument('-p', '--priority',
734                   help='NVMe-oF connection priority: e.g., a priority number')
735    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
736    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
737    p.add_argument('-i', '--hostaddr',
738                   help='NVMe-oF host address: e.g., an ip address')
739    p.add_argument('-c', '--hostsvcid',
740                   help='NVMe-oF host svcid: e.g., a port number')
741    p.add_argument('-r', '--prchk-reftag',
742                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
743    p.add_argument('-g', '--prchk-guard',
744                   help='Enable checking of PI guard for I/O processing.', action='store_true')
745    p.add_argument('-e', '--hdgst',
746                   help='Enable TCP header digest.', action='store_true')
747    p.add_argument('-d', '--ddgst',
748                   help='Enable TCP data digest.', action='store_true')
749    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds',
750                   dest="fabrics_connect_timeout_us")
751    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
752    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
753    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
754                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
755                   -1 means infinite reconnect retries. 0 means no reconnect retry.
756                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
757                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
758                   reconnect_delay_sec.""",
759                   type=int)
760    p.add_argument('-o', '--reconnect-delay-sec',
761                   help="""Time to delay a reconnect retry.
762                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
763                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
764                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
765                   less than ctrlr_loss_timeout_sec.""",
766                   type=int)
767    p.add_argument('-u', '--fast-io-fail-timeout-sec',
768                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
769                   0 means no such timeout.
770                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
771                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
772                   type=int)
773    p.add_argument('-k', '--psk',
774                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
775                   name of a key attached to the keyring or a path to a file containig the key.  The
776                   latter method is deprecated.""")
777    p.add_argument('-m', '--max-bdevs', type=int,
778                   help='The size of the name array for newly created bdevs. Default is 128',)
779    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
780    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
781
782    p.set_defaults(func=bdev_nvme_attach_controller)
783
784    def bdev_nvme_get_controllers(args):
785        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
786                                                      name=args.name))
787
788    p = subparsers.add_parser(
789        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
790    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
791    p.set_defaults(func=bdev_nvme_get_controllers)
792
793    def bdev_nvme_detach_controller(args):
794        rpc.bdev.bdev_nvme_detach_controller(args.client,
795                                             name=args.name,
796                                             trtype=args.trtype,
797                                             traddr=args.traddr,
798                                             adrfam=args.adrfam,
799                                             trsvcid=args.trsvcid,
800                                             subnqn=args.subnqn,
801                                             hostaddr=args.hostaddr,
802                                             hostsvcid=args.hostsvcid)
803
804    p = subparsers.add_parser('bdev_nvme_detach_controller',
805                              help='Detach an NVMe controller and delete any associated bdevs')
806    p.add_argument('name', help="Name of the controller")
807    p.add_argument('-t', '--trtype',
808                   help='NVMe-oF target trtype: e.g., rdma, pcie')
809    p.add_argument('-a', '--traddr',
810                   help='NVMe-oF target address: e.g., an ip address or BDF')
811    p.add_argument('-f', '--adrfam',
812                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
813    p.add_argument('-s', '--trsvcid',
814                   help='NVMe-oF target trsvcid: e.g., a port number')
815    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
816    p.add_argument('-i', '--hostaddr',
817                   help='NVMe-oF host address: e.g., an ip address')
818    p.add_argument('-c', '--hostsvcid',
819                   help='NVMe-oF host svcid: e.g., a port number')
820    p.set_defaults(func=bdev_nvme_detach_controller)
821
822    def bdev_nvme_reset_controller(args):
823        rpc.bdev.bdev_nvme_reset_controller(args.client,
824                                            name=args.name,
825                                            cntlid=args.cntlid)
826
827    p = subparsers.add_parser('bdev_nvme_reset_controller',
828                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
829    p.add_argument('name', help="Name of the NVMe controller")
830    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
831    p.set_defaults(func=bdev_nvme_reset_controller)
832
833    def bdev_nvme_enable_controller(args):
834        rpc.bdev.bdev_nvme_enable_controller(args.client,
835                                             name=args.name,
836                                             cntlid=args.cntlid)
837
838    p = subparsers.add_parser('bdev_nvme_enable_controller',
839                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
840    p.add_argument('name', help="Name of the NVMe controller")
841    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
842    p.set_defaults(func=bdev_nvme_enable_controller)
843
844    def bdev_nvme_disable_controller(args):
845        rpc.bdev.bdev_nvme_disable_controller(args.client,
846                                              name=args.name,
847                                              cntlid=args.cntlid)
848
849    p = subparsers.add_parser('bdev_nvme_disable_controller',
850                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
851    p.add_argument('name', help="Name of the NVMe controller")
852    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
853    p.set_defaults(func=bdev_nvme_disable_controller)
854
855    def bdev_nvme_start_discovery(args):
856        rpc.bdev.bdev_nvme_start_discovery(args.client,
857                                           name=args.name,
858                                           trtype=args.trtype,
859                                           traddr=args.traddr,
860                                           adrfam=args.adrfam,
861                                           trsvcid=args.trsvcid,
862                                           hostnqn=args.hostnqn,
863                                           wait_for_attach=args.wait_for_attach,
864                                           attach_timeout_ms=args.attach_timeout_ms,
865                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
866                                           reconnect_delay_sec=args.reconnect_delay_sec,
867                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
868
869    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
870    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
871    p.add_argument('-t', '--trtype',
872                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
873    p.add_argument('-a', '--traddr',
874                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
875    p.add_argument('-f', '--adrfam',
876                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
877    p.add_argument('-s', '--trsvcid',
878                   help='NVMe-oF target trsvcid: e.g., a port number')
879    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
880    p.add_argument('-w', '--wait-for-attach', action='store_true',
881                   help='Do not complete RPC until all discovered NVM subsystems are attached')
882    p.add_argument('-T', '--attach-timeout-ms', type=int,
883                   help="""Time to wait until the discovery and all discovered NVM subsystems
884                        are attached (default: 0, meaning wait indefinitely).  Automatically
885                        selects the --wait-for-attach option.""")
886    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
887                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
888                   -1 means infinite reconnect retries. 0 means no reconnect retry.
889                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
890                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
891                   reconnect_delay_sec.""",
892                   type=int)
893    p.add_argument('-o', '--reconnect-delay-sec',
894                   help="""Time to delay a reconnect retry.
895                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
896                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
897                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
898                   less than ctrlr_loss_timeout_sec.""",
899                   type=int)
900    p.add_argument('-u', '--fast-io-fail-timeout-sec',
901                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
902                   0 means no such timeout.
903                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
904                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
905                   type=int)
906    p.set_defaults(func=bdev_nvme_start_discovery)
907
908    def bdev_nvme_stop_discovery(args):
909        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
910
911    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
912    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
913    p.set_defaults(func=bdev_nvme_stop_discovery)
914
915    def bdev_nvme_get_discovery_info(args):
916        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
917
918    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
919    p.set_defaults(func=bdev_nvme_get_discovery_info)
920
921    def bdev_nvme_get_io_paths(args):
922        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
923
924    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
925    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
926    p.set_defaults(func=bdev_nvme_get_io_paths)
927
928    def bdev_nvme_set_preferred_path(args):
929        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
930                                              name=args.name,
931                                              cntlid=args.cntlid)
932
933    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
934                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
935    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
936    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
937    p.set_defaults(func=bdev_nvme_set_preferred_path)
938
939    def bdev_nvme_set_multipath_policy(args):
940        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
941                                                name=args.name,
942                                                policy=args.policy,
943                                                selector=args.selector,
944                                                rr_min_io=args.rr_min_io)
945
946    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
947                              help="""Set multipath policy of the NVMe bdev""")
948    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
949    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
950    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
951    p.add_argument('-r', '--rr-min-io',
952                   help='Number of IO to route to a path before switching to another for round-robin',
953                   type=int)
954    p.set_defaults(func=bdev_nvme_set_multipath_policy)
955
956    def bdev_nvme_get_path_iostat(args):
957        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
958                                                      name=args.name))
959
960    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
961                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
962                              called when io_path_stat is true.""")
963    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
964    p.set_defaults(func=bdev_nvme_get_path_iostat)
965
966    def bdev_nvme_cuse_register(args):
967        rpc.bdev.bdev_nvme_cuse_register(args.client,
968                                         name=args.name)
969
970    p = subparsers.add_parser('bdev_nvme_cuse_register',
971                              help='Register CUSE devices on NVMe controller')
972    p.add_argument('-n', '--name',
973                   help='Name of the NVMe controller. Example: Nvme0', required=True)
974    p.set_defaults(func=bdev_nvme_cuse_register)
975
976    def bdev_nvme_cuse_unregister(args):
977        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
978                                           name=args.name)
979
980    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
981                              help='Unregister CUSE devices on NVMe controller')
982    p.add_argument('-n', '--name',
983                   help='Name of the NVMe controller. Example: Nvme0', required=True)
984    p.set_defaults(func=bdev_nvme_cuse_unregister)
985
986    def bdev_zone_block_create(args):
987        print_json(rpc.bdev.bdev_zone_block_create(args.client,
988                                                   name=args.name,
989                                                   base_bdev=args.base_bdev,
990                                                   zone_capacity=args.zone_capacity,
991                                                   optimal_open_zones=args.optimal_open_zones))
992
993    p = subparsers.add_parser('bdev_zone_block_create',
994                              help='Create virtual zone namespace device with block device backend')
995    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
996    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
997    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
998    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
999    p.set_defaults(func=bdev_zone_block_create)
1000
1001    def bdev_zone_block_delete(args):
1002        rpc.bdev.bdev_zone_block_delete(args.client,
1003                                        name=args.name)
1004
1005    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
1006    p.add_argument('name', help='Virtual zone bdev name')
1007    p.set_defaults(func=bdev_zone_block_delete)
1008
1009    def bdev_rbd_register_cluster(args):
1010        config_param = None
1011        if args.config_param:
1012            config_param = {}
1013            for entry in args.config_param:
1014                parts = entry.split('=', 1)
1015                if len(parts) != 2:
1016                    raise Exception('--config %s not in key=value form' % entry)
1017                config_param[parts[0]] = parts[1]
1018        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1019                                                      name=args.name,
1020                                                      user_id=args.user,
1021                                                      config_param=config_param,
1022                                                      config_file=args.config_file,
1023                                                      key_file=args.key_file,
1024                                                      core_mask=args.core_mask))
1025
1026    p = subparsers.add_parser('bdev_rbd_register_cluster',
1027                              help='Add a Rados cluster with ceph rbd backend')
1028    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1029    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1030    p.add_argument('--config-param', action='append', metavar='key=value',
1031                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1032    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1033    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1034    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1035    p.set_defaults(func=bdev_rbd_register_cluster)
1036
1037    def bdev_rbd_unregister_cluster(args):
1038        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1039
1040    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1041                              help='Unregister a Rados cluster object')
1042    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1043    p.set_defaults(func=bdev_rbd_unregister_cluster)
1044
1045    def bdev_rbd_get_clusters_info(args):
1046        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1047
1048    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1049                              help='Display registered Rados Cluster names and related info')
1050    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1051    p.set_defaults(func=bdev_rbd_get_clusters_info)
1052
1053    def bdev_rbd_create(args):
1054        config = None
1055        if args.config:
1056            config = {}
1057            for entry in args.config:
1058                parts = entry.split('=', 1)
1059                if len(parts) != 2:
1060                    raise Exception('--config %s not in key=value form' % entry)
1061                config[parts[0]] = parts[1]
1062        print_json(rpc.bdev.bdev_rbd_create(args.client,
1063                                            name=args.name,
1064                                            user_id=args.user,
1065                                            config=config,
1066                                            pool_name=args.pool_name,
1067                                            rbd_name=args.rbd_name,
1068                                            block_size=args.block_size,
1069                                            cluster_name=args.cluster_name,
1070                                            uuid=args.uuid))
1071
1072    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1073    p.add_argument('-b', '--name', help="Name of the bdev")
1074    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1075    p.add_argument('--config', action='append', metavar='key=value',
1076                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1077    p.add_argument('pool_name', help='rbd pool name')
1078    p.add_argument('rbd_name', help='rbd image name')
1079    p.add_argument('block_size', help='rbd block size', type=int)
1080    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1081    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1082    p.set_defaults(func=bdev_rbd_create)
1083
1084    def bdev_rbd_delete(args):
1085        rpc.bdev.bdev_rbd_delete(args.client,
1086                                 name=args.name)
1087
1088    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1089    p.add_argument('name', help='rbd bdev name')
1090    p.set_defaults(func=bdev_rbd_delete)
1091
1092    def bdev_rbd_resize(args):
1093        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1094                                            name=args.name,
1095                                            new_size=int(args.new_size)))
1096
1097    p = subparsers.add_parser('bdev_rbd_resize',
1098                              help='Resize a rbd bdev')
1099    p.add_argument('name', help='rbd bdev name')
1100    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1101    p.set_defaults(func=bdev_rbd_resize)
1102
1103    def bdev_delay_create(args):
1104        print_json(rpc.bdev.bdev_delay_create(args.client,
1105                                              base_bdev_name=args.base_bdev_name,
1106                                              name=args.name,
1107                                              uuid=args.uuid,
1108                                              avg_read_latency=args.avg_read_latency,
1109                                              p99_read_latency=args.nine_nine_read_latency,
1110                                              avg_write_latency=args.avg_write_latency,
1111                                              p99_write_latency=args.nine_nine_write_latency))
1112
1113    p = subparsers.add_parser('bdev_delay_create',
1114                              help='Add a delay bdev on existing bdev')
1115    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1116    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1117    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1118    p.add_argument('-r', '--avg-read-latency',
1119                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1120    p.add_argument('-t', '--nine-nine-read-latency',
1121                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1122    p.add_argument('-w', '--avg-write-latency',
1123                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1124    p.add_argument('-n', '--nine-nine-write-latency',
1125                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1126    p.set_defaults(func=bdev_delay_create)
1127
1128    def bdev_delay_delete(args):
1129        rpc.bdev.bdev_delay_delete(args.client,
1130                                   name=args.name)
1131
1132    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1133    p.add_argument('name', help='delay bdev name')
1134    p.set_defaults(func=bdev_delay_delete)
1135
1136    def bdev_delay_update_latency(args):
1137        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1138                                                      delay_bdev_name=args.delay_bdev_name,
1139                                                      latency_type=args.latency_type,
1140                                                      latency_us=args.latency_us))
1141    p = subparsers.add_parser('bdev_delay_update_latency',
1142                              help='Update one of the latency values for a given delay bdev')
1143    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1144    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1145    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1146    p.set_defaults(func=bdev_delay_update_latency)
1147
1148    def bdev_error_create(args):
1149        print_json(rpc.bdev.bdev_error_create(args.client,
1150                                              base_name=args.base_name,
1151                                              uuid=args.uuid))
1152
1153    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1154    p.add_argument('base_name', help='base bdev name')
1155    p.add_argument('--uuid', help='UUID for this bdev')
1156    p.set_defaults(func=bdev_error_create)
1157
1158    def bdev_error_delete(args):
1159        rpc.bdev.bdev_error_delete(args.client,
1160                                   name=args.name)
1161
1162    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1163    p.add_argument('name', help='error bdev name')
1164    p.set_defaults(func=bdev_error_delete)
1165
1166    def bdev_iscsi_set_options(args):
1167        rpc.bdev.bdev_iscsi_set_options(args.client,
1168                                        timeout_sec=args.timeout_sec)
1169
1170    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1171    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1172    p.set_defaults(func=bdev_iscsi_set_options)
1173
1174    def bdev_iscsi_create(args):
1175        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1176                                              name=args.name,
1177                                              url=args.url,
1178                                              initiator_iqn=args.initiator_iqn))
1179
1180    p = subparsers.add_parser('bdev_iscsi_create',
1181                              help='Add bdev with iSCSI initiator backend')
1182    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1183    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1184    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1185    p.set_defaults(func=bdev_iscsi_create)
1186
1187    def bdev_iscsi_delete(args):
1188        rpc.bdev.bdev_iscsi_delete(args.client,
1189                                   name=args.name)
1190
1191    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1192    p.add_argument('name', help='iSCSI bdev name')
1193    p.set_defaults(func=bdev_iscsi_delete)
1194
1195    def bdev_passthru_create(args):
1196        print_json(rpc.bdev.bdev_passthru_create(args.client,
1197                                                 base_bdev_name=args.base_bdev_name,
1198                                                 name=args.name,
1199                                                 uuid=args.uuid))
1200
1201    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1202    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1203    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1204    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1205    p.set_defaults(func=bdev_passthru_create)
1206
1207    def bdev_passthru_delete(args):
1208        rpc.bdev.bdev_passthru_delete(args.client,
1209                                      name=args.name)
1210
1211    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1212    p.add_argument('name', help='pass through bdev name')
1213    p.set_defaults(func=bdev_passthru_delete)
1214
1215    def bdev_get_bdevs(args):
1216        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1217                                           name=args.name, timeout=args.timeout_ms))
1218
1219    p = subparsers.add_parser('bdev_get_bdevs',
1220                              help='Display current blockdev list or required blockdev')
1221    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1222    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1223    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1224    whether the bdev exists or not.""",
1225                   type=int)
1226    p.set_defaults(func=bdev_get_bdevs)
1227
1228    def bdev_get_iostat(args):
1229        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1230                                            name=args.name,
1231                                            per_channel=args.per_channel))
1232
1233    p = subparsers.add_parser('bdev_get_iostat',
1234                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1235    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1236    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1237                   action='store_true')
1238    p.set_defaults(func=bdev_get_iostat)
1239
1240    def bdev_reset_iostat(args):
1241        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1242
1243    p = subparsers.add_parser('bdev_reset_iostat',
1244                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1245    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1246    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1247    p.set_defaults(func=bdev_reset_iostat)
1248
1249    def bdev_enable_histogram(args):
1250        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1251
1252    p = subparsers.add_parser('bdev_enable_histogram',
1253                              help='Enable or disable histogram for specified bdev')
1254    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1255    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1256    p.add_argument('name', help='bdev name')
1257    p.set_defaults(func=bdev_enable_histogram)
1258
1259    def bdev_get_histogram(args):
1260        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1261
1262    p = subparsers.add_parser('bdev_get_histogram',
1263                              help='Get histogram for specified bdev')
1264    p.add_argument('name', help='bdev name')
1265    p.set_defaults(func=bdev_get_histogram)
1266
1267    def bdev_set_qd_sampling_period(args):
1268        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1269                                             name=args.name,
1270                                             period=args.period)
1271
1272    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1273                              help="Enable or disable tracking of a bdev's queue depth.")
1274    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1275    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1276                   ' If set to 0, polling will be disabled.',
1277                   type=int)
1278    p.set_defaults(func=bdev_set_qd_sampling_period)
1279
1280    def bdev_set_qos_limit(args):
1281        rpc.bdev.bdev_set_qos_limit(args.client,
1282                                    name=args.name,
1283                                    rw_ios_per_sec=args.rw_ios_per_sec,
1284                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1285                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1286                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1287
1288    p = subparsers.add_parser('bdev_set_qos_limit',
1289                              help='Set QoS rate limit on a blockdev')
1290    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1291    p.add_argument('--rw-ios-per-sec',
1292                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1293                   type=int)
1294    p.add_argument('--rw-mbytes-per-sec',
1295                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1296                   type=int)
1297    p.add_argument('--r-mbytes-per-sec',
1298                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1299                   type=int)
1300    p.add_argument('--w-mbytes-per-sec',
1301                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1302                   type=int)
1303    p.set_defaults(func=bdev_set_qos_limit)
1304
1305    def bdev_error_inject_error(args):
1306        rpc.bdev.bdev_error_inject_error(args.client,
1307                                         name=args.name,
1308                                         io_type=args.io_type,
1309                                         error_type=args.error_type,
1310                                         num=args.num,
1311                                         queue_depth=args.queue_depth,
1312                                         corrupt_offset=args.corrupt_offset,
1313                                         corrupt_value=args.corrupt_value)
1314
1315    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1316    p.add_argument('name', help="""the name of the error injection bdev""")
1317    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1318    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1319    p.add_argument(
1320        '-n', '--num', help='the number of commands you want to fail', type=int)
1321    p.add_argument(
1322        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1323    p.add_argument(
1324        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1325    p.add_argument(
1326        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1327    p.set_defaults(func=bdev_error_inject_error)
1328
1329    def bdev_nvme_apply_firmware(args):
1330        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1331                                                     bdev_name=args.bdev_name,
1332                                                     filename=args.filename))
1333
1334    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1335    p.add_argument('filename', help='filename of the firmware to download')
1336    p.add_argument('bdev_name', help='name of the NVMe device')
1337    p.set_defaults(func=bdev_nvme_apply_firmware)
1338
1339    def bdev_nvme_get_transport_statistics(args):
1340        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1341
1342    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1343                              help='Get bdev_nvme poll group transport statistics')
1344    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1345
1346    def bdev_nvme_get_controller_health_info(args):
1347        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1348                                                                 name=args.name))
1349
1350    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1351                              help='Display health log of the required NVMe bdev controller.')
1352    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1353    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1354
1355    # iSCSI
1356    def iscsi_set_options(args):
1357        rpc.iscsi.iscsi_set_options(
1358            args.client,
1359            auth_file=args.auth_file,
1360            node_base=args.node_base,
1361            nop_timeout=args.nop_timeout,
1362            nop_in_interval=args.nop_in_interval,
1363            disable_chap=args.disable_chap,
1364            require_chap=args.require_chap,
1365            mutual_chap=args.mutual_chap,
1366            chap_group=args.chap_group,
1367            max_sessions=args.max_sessions,
1368            max_queue_depth=args.max_queue_depth,
1369            max_connections_per_session=args.max_connections_per_session,
1370            default_time2wait=args.default_time2wait,
1371            default_time2retain=args.default_time2retain,
1372            first_burst_length=args.first_burst_length,
1373            immediate_data=args.immediate_data,
1374            error_recovery_level=args.error_recovery_level,
1375            allow_duplicated_isid=args.allow_duplicated_isid,
1376            max_large_datain_per_connection=args.max_large_datain_per_connection,
1377            max_r2t_per_connection=args.max_r2t_per_connection,
1378            pdu_pool_size=args.pdu_pool_size,
1379            immediate_data_pool_size=args.immediate_data_pool_size,
1380            data_out_pool_size=args.data_out_pool_size)
1381
1382    p = subparsers.add_parser('iscsi_set_options',
1383                              help="""Set options of iSCSI subsystem""")
1384    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1385    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1386    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1387    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1388    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1389    *** Mutually exclusive with --require-chap""", action='store_true')
1390    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1391    *** Mutually exclusive with --disable-chap""", action='store_true')
1392    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1393    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1394    *** Authentication group must be precreated ***""", type=int)
1395    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1396    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1397    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1398    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1399    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1400    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1401    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1402    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1403    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1404    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1405    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1406    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1407    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1408    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1409    p.set_defaults(func=iscsi_set_options)
1410
1411    def iscsi_set_discovery_auth(args):
1412        rpc.iscsi.iscsi_set_discovery_auth(
1413            args.client,
1414            disable_chap=args.disable_chap,
1415            require_chap=args.require_chap,
1416            mutual_chap=args.mutual_chap,
1417            chap_group=args.chap_group)
1418
1419    p = subparsers.add_parser('iscsi_set_discovery_auth',
1420                              help="""Set CHAP authentication for discovery session.""")
1421    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1422    *** Mutually exclusive with --require-chap""", action='store_true')
1423    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1424    *** Mutually exclusive with --disable-chap""", action='store_true')
1425    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1426    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1427    *** Authentication group must be precreated ***""", type=int)
1428    p.set_defaults(func=iscsi_set_discovery_auth)
1429
1430    def iscsi_create_auth_group(args):
1431        secrets = None
1432        if args.secrets:
1433            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1434
1435        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1436
1437    p = subparsers.add_parser('iscsi_create_auth_group',
1438                              help='Create authentication group for CHAP authentication.')
1439    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1440    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1441<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1442Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1443    p.set_defaults(func=iscsi_create_auth_group)
1444
1445    def iscsi_delete_auth_group(args):
1446        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1447
1448    p = subparsers.add_parser('iscsi_delete_auth_group',
1449                              help='Delete an authentication group.')
1450    p.add_argument('tag', help='Authentication group tag', type=int)
1451    p.set_defaults(func=iscsi_delete_auth_group)
1452
1453    def iscsi_auth_group_add_secret(args):
1454        rpc.iscsi.iscsi_auth_group_add_secret(
1455            args.client,
1456            tag=args.tag,
1457            user=args.user,
1458            secret=args.secret,
1459            muser=args.muser,
1460            msecret=args.msecret)
1461
1462    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1463                              help='Add a secret to an authentication group.')
1464    p.add_argument('tag', help='Authentication group tag', type=int)
1465    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1466    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1467    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1468    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1469    p.set_defaults(func=iscsi_auth_group_add_secret)
1470
1471    def iscsi_auth_group_remove_secret(args):
1472        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1473
1474    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1475                              help='Remove a secret from an authentication group.')
1476    p.add_argument('tag', help='Authentication group tag', type=int)
1477    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1478    p.set_defaults(func=iscsi_auth_group_remove_secret)
1479
1480    def iscsi_get_auth_groups(args):
1481        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1482
1483    p = subparsers.add_parser('iscsi_get_auth_groups',
1484                              help='Display current authentication group configuration')
1485    p.set_defaults(func=iscsi_get_auth_groups)
1486
1487    def iscsi_get_portal_groups(args):
1488        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1489
1490    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1491    p.set_defaults(func=iscsi_get_portal_groups)
1492
1493    def iscsi_get_initiator_groups(args):
1494        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1495
1496    p = subparsers.add_parser('iscsi_get_initiator_groups',
1497                              help='Display current initiator group configuration')
1498    p.set_defaults(func=iscsi_get_initiator_groups)
1499
1500    def iscsi_get_target_nodes(args):
1501        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1502
1503    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1504    p.set_defaults(func=iscsi_get_target_nodes)
1505
1506    def iscsi_enable_histogram(args):
1507        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1508
1509    p = subparsers.add_parser('iscsi_enable_histogram',
1510                              help='Enable or disable histogram for specified iscsi target')
1511    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1512    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1513    p.add_argument('name', help='iscsi target name')
1514    p.set_defaults(func=iscsi_enable_histogram)
1515
1516    def iscsi_get_histogram(args):
1517        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1518
1519    p = subparsers.add_parser('iscsi_get_histogram',
1520                              help='Get histogram for specified iscsi target')
1521    p.add_argument('name', help='target name')
1522    p.set_defaults(func=iscsi_get_histogram)
1523
1524    def iscsi_create_target_node(args):
1525        luns = []
1526        for u in args.bdev_name_id_pairs.strip().split(" "):
1527            bdev_name, lun_id = u.split(":")
1528            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1529
1530        pg_ig_maps = []
1531        for u in args.pg_ig_mappings.strip().split(" "):
1532            pg, ig = u.split(":")
1533            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1534
1535        rpc.iscsi.iscsi_create_target_node(
1536            args.client,
1537            luns=luns,
1538            pg_ig_maps=pg_ig_maps,
1539            name=args.name,
1540            alias_name=args.alias_name,
1541            queue_depth=args.queue_depth,
1542            chap_group=args.chap_group,
1543            disable_chap=args.disable_chap,
1544            require_chap=args.require_chap,
1545            mutual_chap=args.mutual_chap,
1546            header_digest=args.header_digest,
1547            data_digest=args.data_digest)
1548
1549    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1550    p.add_argument('name', help='Target node name (ASCII)')
1551    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1552    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1553    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1554    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1555    *** The bdevs must pre-exist ***
1556    *** LUN0 (id = 0) is required ***
1557    *** bdevs names cannot contain space or colon characters ***""")
1558    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1559    Whitespace separated, quoted, mapping defined with colon
1560    separated list of "tags" (int > 0)
1561    Example: '1:1 2:2 2:1'
1562    *** The Portal/Initiator Groups must be precreated ***""")
1563    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1564    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1565    *** Authentication group must be precreated ***""", type=int)
1566    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1567    *** Mutually exclusive with --require-chap ***""", action='store_true')
1568    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1569    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1570    p.add_argument(
1571        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1572    p.add_argument('-H', '--header-digest',
1573                   help='Header Digest should be required for this target node.', action='store_true')
1574    p.add_argument('-D', '--data-digest',
1575                   help='Data Digest should be required for this target node.', action='store_true')
1576    p.set_defaults(func=iscsi_create_target_node)
1577
1578    def iscsi_target_node_add_lun(args):
1579        rpc.iscsi.iscsi_target_node_add_lun(
1580            args.client,
1581            name=args.name,
1582            bdev_name=args.bdev_name,
1583            lun_id=args.lun_id)
1584
1585    p = subparsers.add_parser('iscsi_target_node_add_lun',
1586                              help='Add LUN to the target node')
1587    p.add_argument('name', help='Target node name (ASCII)')
1588    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1589    *** bdev name cannot contain space or colon characters ***""")
1590    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1591    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1592    p.set_defaults(func=iscsi_target_node_add_lun)
1593
1594    def iscsi_target_node_set_auth(args):
1595        rpc.iscsi.iscsi_target_node_set_auth(
1596            args.client,
1597            name=args.name,
1598            chap_group=args.chap_group,
1599            disable_chap=args.disable_chap,
1600            require_chap=args.require_chap,
1601            mutual_chap=args.mutual_chap)
1602
1603    p = subparsers.add_parser('iscsi_target_node_set_auth',
1604                              help='Set CHAP authentication for the target node')
1605    p.add_argument('name', help='Target node name (ASCII)')
1606    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1607    *** Authentication group must be precreated ***""", type=int)
1608    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1609    *** Mutually exclusive with --require-chap ***""", action='store_true')
1610    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1611    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1612    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1613                   action='store_true')
1614    p.set_defaults(func=iscsi_target_node_set_auth)
1615
1616    def iscsi_target_node_add_pg_ig_maps(args):
1617        pg_ig_maps = []
1618        for u in args.pg_ig_mappings.strip().split(" "):
1619            pg, ig = u.split(":")
1620            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1621        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1622            args.client,
1623            pg_ig_maps=pg_ig_maps,
1624            name=args.name)
1625
1626    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1627                              help='Add PG-IG maps to the target node')
1628    p.add_argument('name', help='Target node name (ASCII)')
1629    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1630    Whitespace separated, quoted, mapping defined with colon
1631    separated list of "tags" (int > 0)
1632    Example: '1:1 2:2 2:1'
1633    *** The Portal/Initiator Groups must be precreated ***""")
1634    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1635
1636    def iscsi_target_node_remove_pg_ig_maps(args):
1637        pg_ig_maps = []
1638        for u in args.pg_ig_mappings.strip().split(" "):
1639            pg, ig = u.split(":")
1640            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1641        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1642            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1643
1644    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1645                              help='Delete PG-IG maps from the target node')
1646    p.add_argument('name', help='Target node name (ASCII)')
1647    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1648    Whitespace separated, quoted, mapping defined with colon
1649    separated list of "tags" (int > 0)
1650    Example: '1:1 2:2 2:1'
1651    *** The Portal/Initiator Groups must be precreated ***""")
1652    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1653
1654    def iscsi_target_node_set_redirect(args):
1655        rpc.iscsi.iscsi_target_node_set_redirect(
1656            args.client,
1657            name=args.name,
1658            pg_tag=args.pg_tag,
1659            redirect_host=args.redirect_host,
1660            redirect_port=args.redirect_port)
1661
1662    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1663                              help="""Update redirect portal of the public portal group for the target node.
1664    Omit redirect host and port to clear previously set redirect settings.""")
1665    p.add_argument('name', help='Target node name (ASCII)')
1666    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1667    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1668    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1669    p.set_defaults(func=iscsi_target_node_set_redirect)
1670
1671    def iscsi_target_node_request_logout(args):
1672        rpc.iscsi.iscsi_target_node_request_logout(
1673            args.client,
1674            name=args.name,
1675            pg_tag=args.pg_tag)
1676
1677    p = subparsers.add_parser('iscsi_target_node_request_logout',
1678                              help="""For the target node, request connections whose portal group tag
1679    match to logout, or request all connections if portal group tag is omitted.""")
1680    p.add_argument('name', help='Target node name (ASCII)')
1681    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1682    p.set_defaults(func=iscsi_target_node_request_logout)
1683
1684    def iscsi_create_portal_group(args):
1685        portals = []
1686        for p in args.portal_list.strip().split(' '):
1687            ip, separator, port_cpumask = p.rpartition(':')
1688            split_port_cpumask = port_cpumask.split('@')
1689            if len(split_port_cpumask) == 1:
1690                port = port_cpumask
1691                portals.append({'host': ip, 'port': port})
1692            else:
1693                port = split_port_cpumask[0]
1694                cpumask = split_port_cpumask[1]
1695                portals.append({'host': ip, 'port': port})
1696                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1697        rpc.iscsi.iscsi_create_portal_group(
1698            args.client,
1699            portals=portals,
1700            tag=args.tag,
1701            private=args.private,
1702            wait=args.wait)
1703
1704    p = subparsers.add_parser('iscsi_create_portal_group',
1705                              help='Add a portal group')
1706    p.add_argument(
1707        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1708    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1709    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1710    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1711    Private portal groups do not have their portals returned by a discovery session. A public
1712    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1713    portal must be from a private portal group.""", action='store_true')
1714    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1715    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1716    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1717    p.set_defaults(func=iscsi_create_portal_group)
1718
1719    def iscsi_start_portal_group(args):
1720        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1721
1722    p = subparsers.add_parser('iscsi_start_portal_group',
1723                              help='Start listening on portals if it is not started yet.')
1724    p.add_argument(
1725        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1726    p.set_defaults(func=iscsi_start_portal_group)
1727
1728    def iscsi_create_initiator_group(args):
1729        initiators = []
1730        netmasks = []
1731        for i in args.initiator_list.strip().split(' '):
1732            initiators.append(i)
1733        for n in args.netmask_list.strip().split(' '):
1734            netmasks.append(n)
1735        rpc.iscsi.iscsi_create_initiator_group(
1736            args.client,
1737            tag=args.tag,
1738            initiators=initiators,
1739            netmasks=netmasks)
1740
1741    p = subparsers.add_parser('iscsi_create_initiator_group',
1742                              help='Add an initiator group')
1743    p.add_argument(
1744        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1745    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1746    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1747    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1748    Example: '255.255.0.0 255.248.0.0' etc""")
1749    p.set_defaults(func=iscsi_create_initiator_group)
1750
1751    def iscsi_initiator_group_add_initiators(args):
1752        initiators = None
1753        netmasks = None
1754        if args.initiator_list:
1755            initiators = []
1756            for i in args.initiator_list.strip().split(' '):
1757                initiators.append(i)
1758        if args.netmask_list:
1759            netmasks = []
1760            for n in args.netmask_list.strip().split(' '):
1761                netmasks.append(n)
1762        rpc.iscsi.iscsi_initiator_group_add_initiators(
1763            args.client,
1764            tag=args.tag,
1765            initiators=initiators,
1766            netmasks=netmasks)
1767
1768    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1769                              help='Add initiators to an existing initiator group')
1770    p.add_argument(
1771        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1772    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1773    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1774    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1775    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1776    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1777    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1778
1779    def iscsi_initiator_group_remove_initiators(args):
1780        initiators = None
1781        netmasks = None
1782        if args.initiator_list:
1783            initiators = []
1784            for i in args.initiator_list.strip().split(' '):
1785                initiators.append(i)
1786        if args.netmask_list:
1787            netmasks = []
1788            for n in args.netmask_list.strip().split(' '):
1789                netmasks.append(n)
1790        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1791            args.client,
1792            tag=args.tag,
1793            initiators=initiators,
1794            netmasks=netmasks)
1795
1796    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1797                              help='Delete initiators from an existing initiator group')
1798    p.add_argument(
1799        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1800    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1801    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1802    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1803    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1804    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1805    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1806
1807    def iscsi_delete_target_node(args):
1808        rpc.iscsi.iscsi_delete_target_node(
1809            args.client, target_node_name=args.target_node_name)
1810
1811    p = subparsers.add_parser('iscsi_delete_target_node',
1812                              help='Delete a target node')
1813    p.add_argument('target_node_name',
1814                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1815    p.set_defaults(func=iscsi_delete_target_node)
1816
1817    def iscsi_delete_portal_group(args):
1818        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1819
1820    p = subparsers.add_parser('iscsi_delete_portal_group',
1821                              help='Delete a portal group')
1822    p.add_argument(
1823        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1824    p.set_defaults(func=iscsi_delete_portal_group)
1825
1826    def iscsi_delete_initiator_group(args):
1827        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1828
1829    p = subparsers.add_parser('iscsi_delete_initiator_group',
1830                              help='Delete an initiator group')
1831    p.add_argument(
1832        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1833    p.set_defaults(func=iscsi_delete_initiator_group)
1834
1835    def iscsi_portal_group_set_auth(args):
1836        rpc.iscsi.iscsi_portal_group_set_auth(
1837            args.client,
1838            tag=args.tag,
1839            chap_group=args.chap_group,
1840            disable_chap=args.disable_chap,
1841            require_chap=args.require_chap,
1842            mutual_chap=args.mutual_chap)
1843
1844    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1845                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1846    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1847    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1848    *** Authentication group must be precreated ***""", type=int)
1849    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1850    *** Mutually exclusive with --require-chap ***""", action='store_true')
1851    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1852    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1853    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1854                   action='store_true')
1855    p.set_defaults(func=iscsi_portal_group_set_auth)
1856
1857    def iscsi_get_connections(args):
1858        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1859
1860    p = subparsers.add_parser('iscsi_get_connections',
1861                              help='Display iSCSI connections')
1862    p.set_defaults(func=iscsi_get_connections)
1863
1864    def iscsi_get_stats(args):
1865        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1866
1867    p = subparsers.add_parser('iscsi_get_stats',
1868                              help='Display stat information of iSCSI connections.')
1869    p.set_defaults(func=iscsi_get_stats)
1870
1871    def iscsi_get_options(args):
1872        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1873
1874    p = subparsers.add_parser('iscsi_get_options',
1875                              help='Display iSCSI global parameters')
1876    p.set_defaults(func=iscsi_get_options)
1877
1878    def scsi_get_devices(args):
1879        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1880
1881    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1882    p.set_defaults(func=scsi_get_devices)
1883
1884    # trace
1885    def trace_enable_tpoint_group(args):
1886        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1887
1888    p = subparsers.add_parser('trace_enable_tpoint_group',
1889                              help='enable trace on a specific tpoint group')
1890    p.add_argument(
1891        'name', help="""trace group name we want to enable in tpoint_group_mask.
1892        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1893    p.set_defaults(func=trace_enable_tpoint_group)
1894
1895    def trace_disable_tpoint_group(args):
1896        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1897
1898    p = subparsers.add_parser('trace_disable_tpoint_group',
1899                              help='disable trace on a specific tpoint group')
1900    p.add_argument(
1901        'name', help="""trace group name we want to disable in tpoint_group_mask.
1902        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1903    p.set_defaults(func=trace_disable_tpoint_group)
1904
1905    def trace_set_tpoint_mask(args):
1906        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1907
1908    p = subparsers.add_parser('trace_set_tpoint_mask',
1909                              help='enable tracepoint mask on a specific tpoint group')
1910    p.add_argument(
1911        'name', help="""trace group name we want to enable in tpoint_group_mask.
1912        (for example "bdev" for bdev trace group)""")
1913    p.add_argument(
1914        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1915        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1916        type=lambda m: int(m, 16))
1917    p.set_defaults(func=trace_set_tpoint_mask)
1918
1919    def trace_clear_tpoint_mask(args):
1920        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1921
1922    p = subparsers.add_parser('trace_clear_tpoint_mask',
1923                              help='disable tracepoint mask on a specific tpoint group')
1924    p.add_argument(
1925        'name', help="""trace group name we want to disable in tpoint_group_mask.
1926        (for example "bdev" for bdev trace group)""")
1927    p.add_argument(
1928        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1929        (for example value of "0x3" will disable the first two tpoints in this group)""",
1930        type=lambda m: int(m, 16))
1931    p.set_defaults(func=trace_clear_tpoint_mask)
1932
1933    def trace_get_tpoint_group_mask(args):
1934        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1935
1936    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1937    p.set_defaults(func=trace_get_tpoint_group_mask)
1938
1939    def trace_get_info(args):
1940        print_dict(rpc.trace.trace_get_info(args.client))
1941
1942    p = subparsers.add_parser('trace_get_info',
1943                              help='get name of shared memory file and list of the available trace point groups')
1944    p.set_defaults(func=trace_get_info)
1945
1946    # log
1947    def log_set_flag(args):
1948        rpc.log.log_set_flag(args.client, flag=args.flag)
1949
1950    p = subparsers.add_parser('log_set_flag', help='set log flag')
1951    p.add_argument(
1952        'flag', help='log flag we want to set. (for example "nvme").')
1953    p.set_defaults(func=log_set_flag)
1954
1955    def log_clear_flag(args):
1956        rpc.log.log_clear_flag(args.client, flag=args.flag)
1957
1958    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1959    p.add_argument(
1960        'flag', help='log flag we want to clear. (for example "nvme").')
1961    p.set_defaults(func=log_clear_flag)
1962
1963    def log_get_flags(args):
1964        print_dict(rpc.log.log_get_flags(args.client))
1965
1966    p = subparsers.add_parser('log_get_flags', help='get log flags')
1967    p.set_defaults(func=log_get_flags)
1968
1969    def log_set_level(args):
1970        rpc.log.log_set_level(args.client, level=args.level)
1971
1972    p = subparsers.add_parser('log_set_level', help='set log level')
1973    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1974    p.set_defaults(func=log_set_level)
1975
1976    def log_get_level(args):
1977        print_dict(rpc.log.log_get_level(args.client))
1978
1979    p = subparsers.add_parser('log_get_level', help='get log level')
1980    p.set_defaults(func=log_get_level)
1981
1982    def log_set_print_level(args):
1983        rpc.log.log_set_print_level(args.client, level=args.level)
1984
1985    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1986    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1987    p.set_defaults(func=log_set_print_level)
1988
1989    def log_get_print_level(args):
1990        print_dict(rpc.log.log_get_print_level(args.client))
1991
1992    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1993    p.set_defaults(func=log_get_print_level)
1994
1995    # lvol
1996    def bdev_lvol_create_lvstore(args):
1997        # The default unmap clear method may take over 60.0 sec.
1998        if args.timeout is None:
1999            args.client.timeout = 90.0
2000        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
2001                                                     bdev_name=args.bdev_name,
2002                                                     lvs_name=args.lvs_name,
2003                                                     cluster_sz=args.cluster_sz,
2004                                                     clear_method=args.clear_method,
2005                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
2006
2007    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2008    p.add_argument('bdev_name', help='base bdev name')
2009    p.add_argument('lvs_name', help='name for lvol store')
2010    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2011    p.add_argument('--clear-method', help="""Change clear method for data region.
2012        Available: none, unmap, write_zeroes""")
2013    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2014    p.set_defaults(func=bdev_lvol_create_lvstore)
2015
2016    def bdev_lvol_rename_lvstore(args):
2017        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2018                                          old_name=args.old_name,
2019                                          new_name=args.new_name)
2020
2021    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2022    p.add_argument('old_name', help='old name')
2023    p.add_argument('new_name', help='new name')
2024    p.set_defaults(func=bdev_lvol_rename_lvstore)
2025
2026    def bdev_lvol_grow_lvstore(args):
2027        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2028                                                   uuid=args.uuid,
2029                                                   lvs_name=args.lvs_name))
2030
2031    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2032                              help='Grow the lvstore size to the underlying bdev size')
2033    p.add_argument('-u', '--uuid', help='lvol store UUID')
2034    p.add_argument('-l', '--lvs-name', help='lvol store name')
2035    p.set_defaults(func=bdev_lvol_grow_lvstore)
2036
2037    def bdev_lvol_create(args):
2038        print_json(rpc.lvol.bdev_lvol_create(args.client,
2039                                             lvol_name=args.lvol_name,
2040                                             size_in_mib=args.size_in_mib,
2041                                             thin_provision=args.thin_provision,
2042                                             clear_method=args.clear_method,
2043                                             uuid=args.uuid,
2044                                             lvs_name=args.lvs_name))
2045
2046    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2047    p.add_argument('-u', '--uuid', help='lvol store UUID')
2048    p.add_argument('-l', '--lvs-name', help='lvol store name')
2049    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2050    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2051        Available: none, unmap, write_zeroes""")
2052    p.add_argument('lvol_name', help='name for this lvol')
2053    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2054    p.set_defaults(func=bdev_lvol_create)
2055
2056    def bdev_lvol_snapshot(args):
2057        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2058                                               lvol_name=args.lvol_name,
2059                                               snapshot_name=args.snapshot_name))
2060
2061    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2062    p.add_argument('lvol_name', help='lvol bdev name')
2063    p.add_argument('snapshot_name', help='lvol snapshot name')
2064    p.set_defaults(func=bdev_lvol_snapshot)
2065
2066    def bdev_lvol_clone(args):
2067        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2068                                            snapshot_name=args.snapshot_name,
2069                                            clone_name=args.clone_name))
2070
2071    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2072    p.add_argument('snapshot_name', help='lvol snapshot name')
2073    p.add_argument('clone_name', help='lvol clone name')
2074    p.set_defaults(func=bdev_lvol_clone)
2075
2076    def bdev_lvol_clone_bdev(args):
2077        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2078                                                 bdev=args.bdev,
2079                                                 lvs_name=args.lvs_name,
2080                                                 clone_name=args.clone_name))
2081
2082    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2083                              help='Create a clone of a non-lvol bdev')
2084    p.add_argument('bdev', help='bdev to clone')
2085    p.add_argument('lvs_name', help='logical volume store name')
2086    p.add_argument('clone_name', help='lvol clone name')
2087    p.set_defaults(func=bdev_lvol_clone_bdev)
2088
2089    def bdev_lvol_rename(args):
2090        rpc.lvol.bdev_lvol_rename(args.client,
2091                                  old_name=args.old_name,
2092                                  new_name=args.new_name)
2093
2094    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2095    p.add_argument('old_name', help='lvol bdev name')
2096    p.add_argument('new_name', help='new lvol name')
2097    p.set_defaults(func=bdev_lvol_rename)
2098
2099    def bdev_lvol_inflate(args):
2100        rpc.lvol.bdev_lvol_inflate(args.client,
2101                                   name=args.name)
2102
2103    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2104    p.add_argument('name', help='lvol bdev name')
2105    p.set_defaults(func=bdev_lvol_inflate)
2106
2107    def bdev_lvol_decouple_parent(args):
2108        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2109                                           name=args.name)
2110
2111    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2112    p.add_argument('name', help='lvol bdev name')
2113    p.set_defaults(func=bdev_lvol_decouple_parent)
2114
2115    def bdev_lvol_resize(args):
2116        rpc.lvol.bdev_lvol_resize(args.client,
2117                                  name=args.name,
2118                                  size_in_mib=args.size_in_mib)
2119
2120    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2121    p.add_argument('name', help='lvol bdev name')
2122    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2123    p.set_defaults(func=bdev_lvol_resize)
2124
2125    def bdev_lvol_set_read_only(args):
2126        rpc.lvol.bdev_lvol_set_read_only(args.client,
2127                                         name=args.name)
2128
2129    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2130    p.add_argument('name', help='lvol bdev name')
2131    p.set_defaults(func=bdev_lvol_set_read_only)
2132
2133    def bdev_lvol_delete(args):
2134        rpc.lvol.bdev_lvol_delete(args.client,
2135                                  name=args.name)
2136
2137    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2138    p.add_argument('name', help='lvol bdev name')
2139    p.set_defaults(func=bdev_lvol_delete)
2140
2141    def bdev_lvol_start_shallow_copy(args):
2142        print_json(rpc.lvol.bdev_lvol_start_shallow_copy(args.client,
2143                                                         src_lvol_name=args.src_lvol_name,
2144                                                         dst_bdev_name=args.dst_bdev_name))
2145
2146    p = subparsers.add_parser('bdev_lvol_start_shallow_copy',
2147                              help="""Start a shallow copy of an lvol over a given bdev.  The status of the operation
2148    can be obtained with bdev_lvol_check_shallow_copy""")
2149    p.add_argument('src_lvol_name', help='source lvol name')
2150    p.add_argument('dst_bdev_name', help='destination bdev name')
2151    p.set_defaults(func=bdev_lvol_start_shallow_copy)
2152
2153    def bdev_lvol_check_shallow_copy(args):
2154        print_json(rpc.lvol.bdev_lvol_check_shallow_copy(args.client,
2155                                                         operation_id=args.operation_id))
2156
2157    p = subparsers.add_parser('bdev_lvol_check_shallow_copy', help='Get shallow copy status')
2158    p.add_argument('operation_id', help='operation identifier', type=int)
2159    p.set_defaults(func=bdev_lvol_check_shallow_copy)
2160
2161    def bdev_lvol_set_parent(args):
2162        rpc.lvol.bdev_lvol_set_parent(args.client,
2163                                      lvol_name=args.lvol_name,
2164                                      snapshot_name=args.snapshot_name)
2165
2166    p = subparsers.add_parser('bdev_lvol_set_parent', help='Set the parent snapshot of a lvol')
2167    p.add_argument('lvol_name', help='lvol name')
2168    p.add_argument('snapshot_name', help='snapshot name')
2169    p.set_defaults(func=bdev_lvol_set_parent)
2170
2171    def bdev_lvol_set_parent_bdev(args):
2172        rpc.lvol.bdev_lvol_set_parent_bdev(args.client,
2173                                           lvol_name=args.lvol_name,
2174                                           esnap_name=args.esnap_name)
2175
2176    p = subparsers.add_parser('bdev_lvol_set_parent_bdev', help='Set the parent external snapshot of a lvol')
2177    p.add_argument('lvol_name', help='lvol name')
2178    p.add_argument('esnap_name', help='external snapshot name')
2179    p.set_defaults(func=bdev_lvol_set_parent_bdev)
2180
2181    def bdev_lvol_delete_lvstore(args):
2182        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2183                                          uuid=args.uuid,
2184                                          lvs_name=args.lvs_name)
2185
2186    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2187    p.add_argument('-u', '--uuid', help='lvol store UUID')
2188    p.add_argument('-l', '--lvs-name', help='lvol store name')
2189    p.set_defaults(func=bdev_lvol_delete_lvstore)
2190
2191    def bdev_lvol_get_lvstores(args):
2192        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2193                                                   uuid=args.uuid,
2194                                                   lvs_name=args.lvs_name))
2195
2196    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2197    p.add_argument('-u', '--uuid', help='lvol store UUID')
2198    p.add_argument('-l', '--lvs-name', help='lvol store name')
2199    p.set_defaults(func=bdev_lvol_get_lvstores)
2200
2201    def bdev_lvol_get_lvols(args):
2202        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2203                                                lvs_uuid=args.lvs_uuid,
2204                                                lvs_name=args.lvs_name))
2205
2206    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2207    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2208    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2209    p.set_defaults(func=bdev_lvol_get_lvols)
2210
2211    def bdev_raid_set_options(args):
2212        rpc.bdev.bdev_raid_set_options(args.client,
2213                                       process_window_size_kb=args.process_window_size_kb)
2214
2215    p = subparsers.add_parser('bdev_raid_set_options',
2216                              help='Set options for bdev raid.')
2217    p.add_argument('-w', '--process-window-size-kb', type=int,
2218                   help="Background process (e.g. rebuild) window size in KiB")
2219
2220    p.set_defaults(func=bdev_raid_set_options)
2221
2222    def bdev_raid_get_bdevs(args):
2223        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2224                                                category=args.category))
2225
2226    p = subparsers.add_parser('bdev_raid_get_bdevs',
2227                              help="""This is used to list all the raid bdev details based on the input category
2228    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2229    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2230    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2231    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2232    p.add_argument('category', help='all or online or configuring or offline')
2233    p.set_defaults(func=bdev_raid_get_bdevs)
2234
2235    def bdev_raid_create(args):
2236        base_bdevs = []
2237        for u in args.base_bdevs.strip().split():
2238            base_bdevs.append(u)
2239
2240        rpc.bdev.bdev_raid_create(args.client,
2241                                  name=args.name,
2242                                  strip_size_kb=args.strip_size_kb,
2243                                  raid_level=args.raid_level,
2244                                  base_bdevs=base_bdevs,
2245                                  uuid=args.uuid,
2246                                  superblock=args.superblock)
2247    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2248    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2249    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2250    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2251    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2252    p.add_argument('--uuid', help='UUID for this raid bdev')
2253    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2254                                              'disabled by default due to backward compatibility', action='store_true')
2255    p.set_defaults(func=bdev_raid_create)
2256
2257    def bdev_raid_delete(args):
2258        rpc.bdev.bdev_raid_delete(args.client,
2259                                  name=args.name)
2260    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2261    p.add_argument('name', help='raid bdev name')
2262    p.set_defaults(func=bdev_raid_delete)
2263
2264    def bdev_raid_add_base_bdev(args):
2265        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2266                                         raid_bdev=args.raid_bdev,
2267                                         base_bdev=args.base_bdev)
2268    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2269    p.add_argument('raid_bdev', help='raid bdev name')
2270    p.add_argument('base_bdev', help='base bdev name')
2271    p.set_defaults(func=bdev_raid_add_base_bdev)
2272
2273    def bdev_raid_remove_base_bdev(args):
2274        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2275                                            name=args.name)
2276    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2277    p.add_argument('name', help='base bdev name')
2278    p.set_defaults(func=bdev_raid_remove_base_bdev)
2279
2280    # split
2281    def bdev_split_create(args):
2282        print_array(rpc.bdev.bdev_split_create(args.client,
2283                                               base_bdev=args.base_bdev,
2284                                               split_count=args.split_count,
2285                                               split_size_mb=args.split_size_mb))
2286
2287    p = subparsers.add_parser('bdev_split_create',
2288                              help="""Add given disk name to split config. If bdev with base_name
2289    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2290    available (during examination process).""")
2291    p.add_argument('base_bdev', help='base bdev name')
2292    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2293    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2294    exceed the base bdev size.""", type=int)
2295    p.set_defaults(func=bdev_split_create)
2296
2297    def bdev_split_delete(args):
2298        rpc.bdev.bdev_split_delete(args.client,
2299                                   base_bdev=args.base_bdev)
2300
2301    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2302    p.add_argument('base_bdev', help='base bdev name')
2303    p.set_defaults(func=bdev_split_delete)
2304
2305    # ftl
2306    def bdev_ftl_create(args):
2307        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2308                                            name=args.name,
2309                                            base_bdev=args.base_bdev,
2310                                            uuid=args.uuid,
2311                                            cache=args.cache,
2312                                            overprovisioning=args.overprovisioning,
2313                                            l2p_dram_limit=args.l2p_dram_limit,
2314                                            core_mask=args.core_mask,
2315                                            fast_shutdown=args.fast_shutdown))
2316
2317    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2318    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2319    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2320                   required=True)
2321    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2322                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2323    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2324                   required=True)
2325    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2326                   ' to user (optional); default 20', type=int)
2327    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2328                   type=int)
2329    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2330                   'by default core thread will be set to the main application core (optional)')
2331    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2332    p.set_defaults(func=bdev_ftl_create)
2333
2334    def bdev_ftl_load(args):
2335        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2336                                          name=args.name,
2337                                          base_bdev=args.base_bdev,
2338                                          uuid=args.uuid,
2339                                          cache=args.cache,
2340                                          overprovisioning=args.overprovisioning,
2341                                          l2p_dram_limit=args.l2p_dram_limit,
2342                                          core_mask=args.core_mask,
2343                                          fast_shutdown=args.fast_shutdown))
2344
2345    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2346    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2347    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2348                   required=True)
2349    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2350    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2351                   required=True)
2352    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2353                   ' to user (optional); default 20', type=int)
2354    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2355                   type=int)
2356    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2357                   'by default core thread will be set to the main application core (optional)')
2358    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2359    p.set_defaults(func=bdev_ftl_load)
2360
2361    def bdev_ftl_unload(args):
2362        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2363
2364    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2365    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2366    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2367    p.set_defaults(func=bdev_ftl_unload)
2368
2369    def bdev_ftl_delete(args):
2370        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2371
2372    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2373    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2374    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2375    p.set_defaults(func=bdev_ftl_delete)
2376
2377    def bdev_ftl_unmap(args):
2378        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2379                                           lba=args.lba,
2380                                           num_blocks=args.num_blocks))
2381
2382    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2383    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2384    p.add_argument('--lba', help='start LBA', required=True, type=int)
2385    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2386    p.set_defaults(func=bdev_ftl_unmap)
2387
2388    def bdev_ftl_get_stats(args):
2389        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2390
2391    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2392    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2393    p.set_defaults(func=bdev_ftl_get_stats)
2394
2395    def bdev_ftl_get_properties(args):
2396        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2397
2398    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2399    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2400    p.set_defaults(func=bdev_ftl_get_properties)
2401
2402    def bdev_ftl_set_property(args):
2403        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2404                   ftl_property=args.property,
2405                   value=args.value))
2406
2407    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2408    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2409    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2410    p.add_argument('-v', '--value', help="Value of the property", required=True)
2411    p.set_defaults(func=bdev_ftl_set_property)
2412
2413    # vmd
2414    def vmd_enable(args):
2415        print_dict(rpc.vmd.vmd_enable(args.client))
2416
2417    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2418    p.set_defaults(func=vmd_enable)
2419
2420    def vmd_remove_device(args):
2421        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2422
2423    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2424    p.add_argument('addr', help='Address of the device to remove', type=str)
2425    p.set_defaults(func=vmd_remove_device)
2426
2427    def vmd_rescan(args):
2428        print_dict(rpc.vmd.vmd_rescan(args.client))
2429
2430    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2431    p.set_defaults(func=vmd_rescan)
2432
2433    # ublk
2434    def ublk_create_target(args):
2435        rpc.ublk.ublk_create_target(args.client,
2436                                    cpumask=args.cpumask,
2437                                    disable_user_copy=args.disable_user_copy)
2438    p = subparsers.add_parser('ublk_create_target',
2439                              help='Create spdk ublk target for ublk dev')
2440    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2441    p.add_argument('--disable-user-copy', help='Disable user copy feature', action='store_true')
2442    p.set_defaults(func=ublk_create_target)
2443
2444    def ublk_destroy_target(args):
2445        rpc.ublk.ublk_destroy_target(args.client)
2446    p = subparsers.add_parser('ublk_destroy_target',
2447                              help='Destroy spdk ublk target for ublk dev')
2448    p.set_defaults(func=ublk_destroy_target)
2449
2450    def ublk_start_disk(args):
2451        print(rpc.ublk.ublk_start_disk(args.client,
2452                                       bdev_name=args.bdev_name,
2453                                       ublk_id=args.ublk_id,
2454                                       num_queues=args.num_queues,
2455                                       queue_depth=args.queue_depth))
2456
2457    p = subparsers.add_parser('ublk_start_disk',
2458                              help='Export a bdev as a ublk device')
2459    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2460    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2461    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2462    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2463    p.set_defaults(func=ublk_start_disk)
2464
2465    def ublk_stop_disk(args):
2466        rpc.ublk.ublk_stop_disk(args.client,
2467                                ublk_id=args.ublk_id)
2468
2469    p = subparsers.add_parser('ublk_stop_disk',
2470                              help='Stop a ublk device')
2471    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2472    p.set_defaults(func=ublk_stop_disk)
2473
2474    def ublk_recover_disk(args):
2475        print(rpc.ublk.ublk_recover_disk(args.client,
2476                                         bdev_name=args.bdev_name,
2477                                         ublk_id=args.ublk_id))
2478
2479    p = subparsers.add_parser('ublk_recover_disk',
2480                              help='Recover ublk device')
2481    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2482    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2483    p.set_defaults(func=ublk_recover_disk)
2484
2485    def ublk_get_disks(args):
2486        print_dict(rpc.ublk.ublk_get_disks(args.client,
2487                                           ublk_id=args.ublk_id))
2488
2489    p = subparsers.add_parser('ublk_get_disks',
2490                              help='Display full or specified ublk device list')
2491    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2492    p.set_defaults(func=ublk_get_disks)
2493
2494    # nbd
2495    def nbd_start_disk(args):
2496        print(rpc.nbd.nbd_start_disk(args.client,
2497                                     bdev_name=args.bdev_name,
2498                                     nbd_device=args.nbd_device))
2499
2500    p = subparsers.add_parser('nbd_start_disk',
2501                              help='Export a bdev as an nbd disk')
2502    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2503    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2504    p.set_defaults(func=nbd_start_disk)
2505
2506    def nbd_stop_disk(args):
2507        rpc.nbd.nbd_stop_disk(args.client,
2508                              nbd_device=args.nbd_device)
2509
2510    p = subparsers.add_parser('nbd_stop_disk',
2511                              help='Stop an nbd disk')
2512    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2513    p.set_defaults(func=nbd_stop_disk)
2514
2515    def nbd_get_disks(args):
2516        print_dict(rpc.nbd.nbd_get_disks(args.client,
2517                                         nbd_device=args.nbd_device))
2518
2519    p = subparsers.add_parser('nbd_get_disks',
2520                              help='Display full or specified nbd device list')
2521    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2522    p.set_defaults(func=nbd_get_disks)
2523
2524    # NVMe-oF
2525    def nvmf_set_max_subsystems(args):
2526        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2527                                         max_subsystems=args.max_subsystems)
2528
2529    p = subparsers.add_parser('nvmf_set_max_subsystems',
2530                              help='Set the maximum number of NVMf target subsystems')
2531    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2532    p.set_defaults(func=nvmf_set_max_subsystems)
2533
2534    def nvmf_set_config(args):
2535        rpc.nvmf.nvmf_set_config(args.client,
2536                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2537                                 poll_groups_mask=args.poll_groups_mask,
2538                                 discovery_filter=args.discovery_filter,
2539                                 dhchap_digests=args.dhchap_digests,
2540                                 dhchap_dhgroups=args.dhchap_dhgroups)
2541
2542    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2543    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2544    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2545    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2546    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2547         comma separated values: `transport`, `address`, `svcid`""", type=str)
2548    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
2549                   type=lambda d: d.split(','))
2550    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
2551                   type=lambda d: d.split(','))
2552    p.set_defaults(func=nvmf_set_config)
2553
2554    def nvmf_create_transport(args):
2555        rpc.nvmf.nvmf_create_transport(**vars(args))
2556
2557    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2558    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2559    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2560    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2561    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2562    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2563    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2564    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2565    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2566    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2567    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2568    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2569    underlying bdev supports them''')
2570    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2571    Relevant only for RDMA transport""", type=int)
2572    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2573    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2574    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2575    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2576    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2577    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2578    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2579    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2580    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2581    Relevant only for TCP transport""", type=int)
2582    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2583    Relevant only for VFIO-USER transport""")
2584    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2585    Relevant only for VFIO-USER transport""")
2586    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2587    Relevant only for VFIO-USER transport""")
2588    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2589    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2590    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2591    p.set_defaults(func=nvmf_create_transport)
2592
2593    def nvmf_get_transports(args):
2594        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2595
2596    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2597    p.add_argument('--trtype', help='Transport type (optional)')
2598    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2599    p.set_defaults(func=nvmf_get_transports)
2600
2601    def nvmf_get_subsystems(args):
2602        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2603
2604    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2605    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2606    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2607    p.set_defaults(func=nvmf_get_subsystems)
2608
2609    def nvmf_create_subsystem(args):
2610        rpc.nvmf.nvmf_create_subsystem(args.client,
2611                                       nqn=args.nqn,
2612                                       tgt_name=args.tgt_name,
2613                                       serial_number=args.serial_number,
2614                                       model_number=args.model_number,
2615                                       allow_any_host=args.allow_any_host,
2616                                       max_namespaces=args.max_namespaces,
2617                                       ana_reporting=args.ana_reporting,
2618                                       min_cntlid=args.min_cntlid,
2619                                       max_cntlid=args.max_cntlid,
2620                                       max_discard_size_kib=args.max_discard_size,
2621                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2622
2623    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2624    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2625    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2626    p.add_argument("-s", "--serial-number", help="""
2627    Format:  'sn' etc
2628    Example: 'SPDK00000000000001'""")
2629    p.add_argument("-d", "--model-number", help="""
2630    Format:  'mn' etc
2631    Example: 'SPDK Controller'""")
2632    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2633    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2634                   type=int)
2635    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2636    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2637    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2638    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2639    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2640    p.set_defaults(func=nvmf_create_subsystem)
2641
2642    def nvmf_delete_subsystem(args):
2643        rpc.nvmf.nvmf_delete_subsystem(args.client,
2644                                       nqn=args.subsystem_nqn,
2645                                       tgt_name=args.tgt_name)
2646
2647    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2648    p.add_argument('subsystem_nqn',
2649                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2650    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2651    p.set_defaults(func=nvmf_delete_subsystem)
2652
2653    def nvmf_subsystem_add_listener(args):
2654        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2655
2656    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2657    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2658    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2659    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2660    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2661    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2662    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2663    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2664    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2665    p.set_defaults(func=nvmf_subsystem_add_listener)
2666
2667    def nvmf_subsystem_remove_listener(args):
2668        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2669                                                nqn=args.nqn,
2670                                                trtype=args.trtype,
2671                                                traddr=args.traddr,
2672                                                tgt_name=args.tgt_name,
2673                                                adrfam=args.adrfam,
2674                                                trsvcid=args.trsvcid)
2675
2676    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2677    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2678    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2679    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2680    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2681    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2682    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2683    p.set_defaults(func=nvmf_subsystem_remove_listener)
2684
2685    def nvmf_subsystem_listener_set_ana_state(args):
2686        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2687                                                       nqn=args.nqn,
2688                                                       ana_state=args.ana_state,
2689                                                       trtype=args.trtype,
2690                                                       traddr=args.traddr,
2691                                                       tgt_name=args.tgt_name,
2692                                                       adrfam=args.adrfam,
2693                                                       trsvcid=args.trsvcid,
2694                                                       anagrpid=args.anagrpid)
2695
2696    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2697    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2698    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2699    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2700    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2701    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2702    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2703    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2704    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2705    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2706
2707    def nvmf_discovery_add_referral(args):
2708        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2709
2710    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2711    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2712    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2713    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2714    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2715    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2716    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2717                   action="store_true")
2718    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2719    p.set_defaults(func=nvmf_discovery_add_referral)
2720
2721    def nvmf_discovery_remove_referral(args):
2722        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2723                                                trtype=args.trtype,
2724                                                traddr=args.traddr,
2725                                                tgt_name=args.tgt_name,
2726                                                adrfam=args.adrfam,
2727                                                trsvcid=args.trsvcid,
2728                                                subnqn=args.subnqn)
2729
2730    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2731    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2732    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2733    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2734    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2735    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2736    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2737    p.set_defaults(func=nvmf_discovery_remove_referral)
2738
2739    def nvmf_discovery_get_referrals(args):
2740        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2741                                                         tgt_name=args.tgt_name))
2742
2743    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2744                              help='Display discovery subsystem referrals of an NVMe-oF target')
2745    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2746    p.set_defaults(func=nvmf_discovery_get_referrals)
2747
2748    def nvmf_subsystem_add_ns(args):
2749        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2750
2751    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2752    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2753    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2754    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2755    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2756    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2757    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2758    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2759    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2760    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2761    p.add_argument('-i', '--no-auto-visible', action='store_true',
2762                   help='Do not auto make namespace visible to controllers (optional)')
2763    p.set_defaults(func=nvmf_subsystem_add_ns)
2764
2765    def nvmf_subsystem_remove_ns(args):
2766        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2767                                          nqn=args.nqn,
2768                                          nsid=args.nsid,
2769                                          tgt_name=args.tgt_name)
2770
2771    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2772    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2773    p.add_argument('nsid', help='The requested NSID', type=int)
2774    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2775    p.set_defaults(func=nvmf_subsystem_remove_ns)
2776
2777    def nvmf_ns_add_host(args):
2778        rpc.nvmf.nvmf_ns_visible(True,
2779                                 args.client,
2780                                 nqn=args.nqn,
2781                                 nsid=args.nsid,
2782                                 host=args.host,
2783                                 tgt_name=args.tgt_name)
2784
2785    def nvmf_ns_visible_add_args(p):
2786        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2787        p.add_argument('nsid', help='The requested NSID', type=int)
2788        p.add_argument('host', help='Host NQN to make namespace visible to')
2789        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2790
2791    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2792    nvmf_ns_visible_add_args(p)
2793    p.set_defaults(func=nvmf_ns_add_host)
2794
2795    def nvmf_ns_remove_host(args):
2796        rpc.nvmf.nvmf_ns_visible(False,
2797                                 args.client,
2798                                 nqn=args.nqn,
2799                                 nsid=args.nsid,
2800                                 host=args.host,
2801                                 tgt_name=args.tgt_name)
2802
2803    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2804    nvmf_ns_visible_add_args(p)
2805    p.set_defaults(func=nvmf_ns_remove_host)
2806
2807    def nvmf_subsystem_add_host(args):
2808        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2809                                         nqn=args.nqn,
2810                                         host=args.host,
2811                                         tgt_name=args.tgt_name,
2812                                         psk=args.psk,
2813                                         dhchap_key=args.dhchap_key,
2814                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key)
2815
2816    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2817    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2818    p.add_argument('host', help='Host NQN to allow')
2819    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2820    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2821    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name (optional)')
2822    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name (optional)')
2823    p.set_defaults(func=nvmf_subsystem_add_host)
2824
2825    def nvmf_subsystem_remove_host(args):
2826        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2827                                            nqn=args.nqn,
2828                                            host=args.host,
2829                                            tgt_name=args.tgt_name)
2830
2831    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2832    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2833    p.add_argument('host', help='Host NQN to remove')
2834    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2835    p.set_defaults(func=nvmf_subsystem_remove_host)
2836
2837    def nvmf_subsystem_allow_any_host(args):
2838        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2839                                               nqn=args.nqn,
2840                                               disable=args.disable,
2841                                               tgt_name=args.tgt_name)
2842
2843    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2844    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2845    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2846    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2847    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2848    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2849
2850    def nvmf_subsystem_get_controllers(args):
2851        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2852                                                           nqn=args.nqn,
2853                                                           tgt_name=args.tgt_name))
2854
2855    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2856                              help='Display controllers of an NVMe-oF subsystem.')
2857    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2858    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2859    p.set_defaults(func=nvmf_subsystem_get_controllers)
2860
2861    def nvmf_subsystem_get_qpairs(args):
2862        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2863                                                      nqn=args.nqn,
2864                                                      tgt_name=args.tgt_name))
2865
2866    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2867                              help='Display queue pairs of an NVMe-oF subsystem.')
2868    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2869    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2870    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2871
2872    def nvmf_subsystem_get_listeners(args):
2873        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2874                                                         nqn=args.nqn,
2875                                                         tgt_name=args.tgt_name))
2876
2877    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2878                              help='Display listeners of an NVMe-oF subsystem.')
2879    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2880    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2881    p.set_defaults(func=nvmf_subsystem_get_listeners)
2882
2883    def nvmf_get_stats(args):
2884        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2885
2886    p = subparsers.add_parser(
2887        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2888    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2889    p.set_defaults(func=nvmf_get_stats)
2890
2891    def nvmf_set_crdt(args):
2892        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2893
2894    p = subparsers.add_parser(
2895        'nvmf_set_crdt',
2896        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2897        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2898    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2899    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2900    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2901    p.set_defaults(func=nvmf_set_crdt)
2902
2903    def nvmf_publish_mdns_prr(args):
2904        rpc.nvmf.nvmf_publish_mdns_prr(args.client, args.tgt_name)
2905
2906    p = subparsers.add_parser('nvmf_publish_mdns_prr',
2907                              help='Publish pull registration request through mdns')
2908    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2909    p.set_defaults(func=nvmf_publish_mdns_prr)
2910
2911    def nvmf_stop_mdns_prr(args):
2912        rpc.nvmf.nvmf_stop_mdns_prr(args.client, args.tgt_name)
2913
2914    p = subparsers.add_parser('nvmf_stop_mdns_prr',
2915                              help='Stop publishing pull registration request through mdns')
2916    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2917    p.set_defaults(func=nvmf_stop_mdns_prr)
2918
2919    # subsystem
2920    def framework_get_subsystems(args):
2921        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2922
2923    p = subparsers.add_parser('framework_get_subsystems',
2924                              help="""Print subsystems array in initialization order. Each subsystem
2925    entry contain (unsorted) array of subsystems it depends on.""")
2926    p.set_defaults(func=framework_get_subsystems)
2927
2928    def framework_get_config(args):
2929        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2930
2931    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2932    p.add_argument('name', help='Name of subsystem to query')
2933    p.set_defaults(func=framework_get_config)
2934
2935    # vhost
2936    def vhost_controller_set_coalescing(args):
2937        rpc.vhost.vhost_controller_set_coalescing(args.client,
2938                                                  ctrlr=args.ctrlr,
2939                                                  delay_base_us=args.delay_base_us,
2940                                                  iops_threshold=args.iops_threshold)
2941
2942    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2943    p.add_argument('ctrlr', help='controller name')
2944    p.add_argument('delay_base_us', help='Base delay time', type=int)
2945    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2946    p.set_defaults(func=vhost_controller_set_coalescing)
2947
2948    def virtio_blk_create_transport(args):
2949        rpc.vhost.virtio_blk_create_transport(**vars(args))
2950
2951    p = subparsers.add_parser('virtio_blk_create_transport',
2952                              help='Create virtio blk transport')
2953    p.add_argument('name', help='transport name')
2954    p.set_defaults(func=virtio_blk_create_transport)
2955
2956    def virtio_blk_get_transports(args):
2957        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2958
2959    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2960    p.add_argument('--name', help='Transport name (optional)', type=str)
2961    p.set_defaults(func=virtio_blk_get_transports)
2962
2963    def vhost_create_scsi_controller(args):
2964        rpc.vhost.vhost_create_scsi_controller(args.client,
2965                                               ctrlr=args.ctrlr,
2966                                               cpumask=args.cpumask,
2967                                               delay=args.delay)
2968
2969    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2970    p.add_argument('ctrlr', help='controller name')
2971    p.add_argument('--cpumask', help='cpu mask for this controller')
2972    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2973    p.set_defaults(func=vhost_create_scsi_controller)
2974
2975    def vhost_start_scsi_controller(args):
2976        rpc.vhost.vhost_start_scsi_controller(args.client,
2977                                              ctrlr=args.ctrlr)
2978
2979    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2980    p.add_argument('ctrlr', help='controller name')
2981    p.set_defaults(func=vhost_start_scsi_controller)
2982
2983    def vhost_scsi_controller_add_target(args):
2984        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2985                                                              ctrlr=args.ctrlr,
2986                                                              scsi_target_num=args.scsi_target_num,
2987                                                              bdev_name=args.bdev_name))
2988
2989    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2990    p.add_argument('ctrlr', help='controller name where add lun')
2991    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2992    p.add_argument('bdev_name', help='bdev name')
2993    p.set_defaults(func=vhost_scsi_controller_add_target)
2994
2995    def vhost_scsi_controller_remove_target(args):
2996        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2997                                                      ctrlr=args.ctrlr,
2998                                                      scsi_target_num=args.scsi_target_num)
2999
3000    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
3001                              help='Remove target from vhost controller')
3002    p.add_argument('ctrlr', help='controller name to remove target from')
3003    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
3004    p.set_defaults(func=vhost_scsi_controller_remove_target)
3005
3006    def vhost_create_blk_controller(args):
3007        rpc.vhost.vhost_create_blk_controller(**vars(args))
3008
3009    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
3010    p.add_argument('ctrlr', help='controller name')
3011    p.add_argument('dev_name', help='device name')
3012    p.add_argument('--cpumask', help='cpu mask for this controller')
3013    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
3014    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
3015    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
3016    p.set_defaults(func=vhost_create_blk_controller)
3017
3018    def vhost_get_controllers(args):
3019        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
3020
3021    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
3022    p.add_argument('-n', '--name', help="Name of vhost controller")
3023    p.set_defaults(func=vhost_get_controllers)
3024
3025    def vhost_delete_controller(args):
3026        rpc.vhost.vhost_delete_controller(args.client,
3027                                          ctrlr=args.ctrlr)
3028
3029    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
3030    p.add_argument('ctrlr', help='controller name')
3031    p.set_defaults(func=vhost_delete_controller)
3032
3033    def bdev_virtio_attach_controller(args):
3034        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
3035                                                            name=args.name,
3036                                                            trtype=args.trtype,
3037                                                            traddr=args.traddr,
3038                                                            dev_type=args.dev_type,
3039                                                            vq_count=args.vq_count,
3040                                                            vq_size=args.vq_size))
3041
3042    p = subparsers.add_parser('bdev_virtio_attach_controller',
3043                              help="""Attach virtio controller using provided
3044    transport type and device type. This will also create bdevs for any block devices connected to the
3045    controller (for example, SCSI devices for a virtio-scsi controller).
3046    Result is array of added bdevs.""")
3047    p.add_argument('name', help="Use this name as base for new created bdevs")
3048    p.add_argument('-t', '--trtype',
3049                   help='Virtio target transport type: pci or user', required=True)
3050    p.add_argument('-a', '--traddr',
3051                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
3052    p.add_argument('-d', '--dev-type',
3053                   help='Device type: blk or scsi', required=True)
3054    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
3055    p.add_argument('--vq-size', help='Size of each queue', type=int)
3056    p.set_defaults(func=bdev_virtio_attach_controller)
3057
3058    def bdev_virtio_scsi_get_devices(args):
3059        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
3060
3061    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
3062    p.set_defaults(func=bdev_virtio_scsi_get_devices)
3063
3064    def bdev_virtio_detach_controller(args):
3065        rpc.vhost.bdev_virtio_detach_controller(args.client,
3066                                                name=args.name)
3067
3068    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
3069    This will delete all bdevs exposed by this device""")
3070    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
3071    p.set_defaults(func=bdev_virtio_detach_controller)
3072
3073    def bdev_virtio_blk_set_hotplug(args):
3074        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3075
3076    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3077    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3078    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3079    p.add_argument('-r', '--period-us',
3080                   help='How often the hotplug is processed for insert and remove events', type=int)
3081    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3082
3083    # vfio-user target
3084    def vfu_tgt_set_base_path(args):
3085        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3086
3087    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3088    p.add_argument('path', help='socket base path')
3089    p.set_defaults(func=vfu_tgt_set_base_path)
3090
3091    def vfu_virtio_delete_endpoint(args):
3092        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3093
3094    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3095    p.add_argument('name', help='Endpoint name')
3096    p.set_defaults(func=vfu_virtio_delete_endpoint)
3097
3098    def vfu_virtio_create_blk_endpoint(args):
3099        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3100                                                     name=args.name,
3101                                                     bdev_name=args.bdev_name,
3102                                                     cpumask=args.cpumask,
3103                                                     num_queues=args.num_queues,
3104                                                     qsize=args.qsize,
3105                                                     packed_ring=args.packed_ring)
3106
3107    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3108    p.add_argument('name', help='Name of the endpoint')
3109    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3110    p.add_argument('--cpumask', help='CPU masks')
3111    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3112    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3113    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3114    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3115
3116    def vfu_virtio_scsi_add_target(args):
3117        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3118                                                 name=args.name,
3119                                                 scsi_target_num=args.scsi_target_num,
3120                                                 bdev_name=args.bdev_name)
3121
3122    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3123    p.add_argument('name', help='Name of the endpoint')
3124    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3125    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3126    p.set_defaults(func=vfu_virtio_scsi_add_target)
3127
3128    def vfu_virtio_scsi_remove_target(args):
3129        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3130                                                    name=args.name,
3131                                                    scsi_target_num=args.scsi_target_num)
3132
3133    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3134    p.add_argument('name', help='Name of the endpoint')
3135    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3136    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3137
3138    def vfu_virtio_create_scsi_endpoint(args):
3139        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3140                                                      name=args.name,
3141                                                      cpumask=args.cpumask,
3142                                                      num_io_queues=args.num_io_queues,
3143                                                      qsize=args.qsize,
3144                                                      packed_ring=args.packed_ring)
3145
3146    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3147    p.add_argument('name', help='Name of the endpoint')
3148    p.add_argument('--cpumask', help='CPU masks')
3149    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3150    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3151    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3152    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3153
3154    # accel_fw
3155    def accel_get_opc_assignments(args):
3156        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3157
3158    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3159    p.set_defaults(func=accel_get_opc_assignments)
3160
3161    def accel_get_module_info(args):
3162        print_dict(rpc.accel.accel_get_module_info(args.client))
3163
3164    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3165                              help='Get list of valid module names and their operations.')
3166    p.set_defaults(func=accel_get_module_info)
3167
3168    def accel_assign_opc(args):
3169        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3170
3171    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3172    p.add_argument('-o', '--opname', help='opname')
3173    p.add_argument('-m', '--module', help='name of module')
3174    p.set_defaults(func=accel_assign_opc)
3175
3176    def accel_crypto_key_create(args):
3177        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3178                                                     cipher=args.cipher,
3179                                                     key=args.key,
3180                                                     key2=args.key2,
3181                                                     tweak_mode=args.tweak_mode,
3182                                                     name=args.name))
3183
3184    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3185    p.add_argument('-c', '--cipher', help='cipher', required=True)
3186    p.add_argument('-k', '--key', help='key', required=True)
3187    p.add_argument('-e', '--key2', help='key2', default=None)
3188    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3189    p.add_argument('-n', '--name', help='key name', required=True)
3190    p.set_defaults(func=accel_crypto_key_create)
3191
3192    def accel_crypto_key_destroy(args):
3193        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3194                                                      key_name=args.name))
3195
3196    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3197    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3198    p.set_defaults(func=accel_crypto_key_destroy)
3199
3200    def accel_crypto_keys_get(args):
3201        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3202                                                   key_name=args.key_name))
3203
3204    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3205    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3206    p.set_defaults(func=accel_crypto_keys_get)
3207
3208    def accel_set_driver(args):
3209        rpc.accel.accel_set_driver(args.client, name=args.name)
3210
3211    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3212                              'operation chains')
3213    p.add_argument('name', help='name of the platform driver')
3214    p.set_defaults(func=accel_set_driver)
3215
3216    def accel_set_options(args):
3217        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3218                                    args.task_count, args.sequence_count, args.buf_count)
3219
3220    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3221    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3222    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3223    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3224    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3225    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3226    p.set_defaults(func=accel_set_options)
3227
3228    def accel_get_stats(args):
3229        print_dict(rpc.accel.accel_get_stats(args.client))
3230
3231    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3232    p.set_defaults(func=accel_get_stats)
3233
3234    # ioat
3235    def ioat_scan_accel_module(args):
3236        rpc.ioat.ioat_scan_accel_module(args.client)
3237
3238    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3239                              help='Enable IOAT accel module offload.')
3240    p.set_defaults(func=ioat_scan_accel_module)
3241
3242    # dpdk compressdev
3243    def compressdev_scan_accel_module(args):
3244        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3245
3246    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3247    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3248    p.set_defaults(func=compressdev_scan_accel_module)
3249
3250    # dsa
3251    def dsa_scan_accel_module(args):
3252        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3253
3254    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3255                              help='Set config and enable dsa accel module offload.')
3256    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3257                   action='store_true', dest='config_kernel_mode')
3258    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3259
3260    # iaa
3261    def iaa_scan_accel_module(args):
3262        rpc.iaa.iaa_scan_accel_module(args.client)
3263
3264    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3265                              help='Set config and enable iaa accel module offload.')
3266    p.set_defaults(func=iaa_scan_accel_module)
3267
3268    def dpdk_cryptodev_scan_accel_module(args):
3269        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3270
3271    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3272                              help='Enable dpdk_cryptodev accel module offload.')
3273    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3274
3275    def dpdk_cryptodev_set_driver(args):
3276        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3277                                                     driver_name=args.driver_name)
3278
3279    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3280                              help='Set the DPDK cryptodev driver.')
3281    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3282    p.set_defaults(func=dpdk_cryptodev_set_driver)
3283
3284    def dpdk_cryptodev_get_driver(args):
3285        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3286
3287    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3288    p.set_defaults(func=dpdk_cryptodev_get_driver)
3289
3290    # mlx5
3291    def mlx5_scan_accel_module(args):
3292        rpc.mlx5.mlx5_scan_accel_module(args.client,
3293                                        qp_size=args.qp_size,
3294                                        num_requests=args.num_requests)
3295
3296    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3297    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3298    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3299    p.set_defaults(func=mlx5_scan_accel_module)
3300
3301    # accel_error
3302    def accel_error_inject_error(args):
3303        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3304                                           type=args.type, count=args.count,
3305                                           interval=args.interval, errcode=args.errcode)
3306
3307    p = subparsers.add_parser('accel_error_inject_error',
3308                              help='Inject an error to processing accel operation')
3309    p.add_argument('-o', '--opcode', help='Opcode')
3310    p.add_argument('-t', '--type',
3311                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3312    p.add_argument('-c', '--count', type=int,
3313                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3314    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3315    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3316    p.set_defaults(func=accel_error_inject_error)
3317
3318    # opal
3319    def bdev_nvme_opal_init(args):
3320        rpc.nvme.bdev_nvme_opal_init(args.client,
3321                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3322                                     password=args.password)
3323
3324    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3325    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3326    p.add_argument('-p', '--password', help='password for admin')
3327    p.set_defaults(func=bdev_nvme_opal_init)
3328
3329    def bdev_nvme_opal_revert(args):
3330        rpc.nvme.bdev_nvme_opal_revert(args.client,
3331                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3332                                       password=args.password)
3333    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3334    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3335    p.add_argument('-p', '--password', help='password')
3336    p.set_defaults(func=bdev_nvme_opal_revert)
3337
3338    def bdev_opal_create(args):
3339        print_json(rpc.bdev.bdev_opal_create(args.client,
3340                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3341                                             nsid=args.nsid,
3342                                             locking_range_id=args.locking_range_id,
3343                                             range_start=args.range_start,
3344                                             range_length=args.range_length,
3345                                             password=args.password))
3346
3347    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3348    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3349    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3350    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3351    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3352    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3353    p.add_argument('-p', '--password', help='admin password', required=True)
3354    p.set_defaults(func=bdev_opal_create)
3355
3356    def bdev_opal_get_info(args):
3357        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3358                                               bdev_name=args.bdev_name,
3359                                               password=args.password))
3360
3361    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3362    p.add_argument('-b', '--bdev-name', help='opal bdev')
3363    p.add_argument('-p', '--password', help='password')
3364    p.set_defaults(func=bdev_opal_get_info)
3365
3366    def bdev_opal_delete(args):
3367        rpc.bdev.bdev_opal_delete(args.client,
3368                                  bdev_name=args.bdev_name,
3369                                  password=args.password)
3370
3371    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3372    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3373    p.add_argument('-p', '--password', help='admin password', required=True)
3374    p.set_defaults(func=bdev_opal_delete)
3375
3376    def bdev_opal_new_user(args):
3377        rpc.bdev.bdev_opal_new_user(args.client,
3378                                    bdev_name=args.bdev_name,
3379                                    admin_password=args.admin_password,
3380                                    user_id=args.user_id,
3381                                    user_password=args.user_password)
3382
3383    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3384    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3385    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3386    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3387    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3388    p.set_defaults(func=bdev_opal_new_user)
3389
3390    def bdev_opal_set_lock_state(args):
3391        rpc.bdev.bdev_opal_set_lock_state(args.client,
3392                                          bdev_name=args.bdev_name,
3393                                          user_id=args.user_id,
3394                                          password=args.password,
3395                                          lock_state=args.lock_state)
3396
3397    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3398    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3399    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',
3400                   type=int, required=True)
3401    p.add_argument('-p', '--password', help='password of this user', required=True)
3402    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3403    p.set_defaults(func=bdev_opal_set_lock_state)
3404
3405    # bdev_nvme_send_cmd
3406    def bdev_nvme_send_cmd(args):
3407        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3408                                               name=args.nvme_name,
3409                                               cmd_type=args.cmd_type,
3410                                               data_direction=args.data_direction,
3411                                               cmdbuf=args.cmdbuf,
3412                                               data=args.data,
3413                                               metadata=args.metadata,
3414                                               data_len=args.data_length,
3415                                               metadata_len=args.metadata_length,
3416                                               timeout_ms=args.timeout_ms))
3417
3418    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3419    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3420    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3421    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3422    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3423    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3424    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3425    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3426    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3427    p.add_argument('-T', '--timeout-ms',
3428                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3429    p.set_defaults(func=bdev_nvme_send_cmd)
3430
3431    # Notifications
3432    def notify_get_types(args):
3433        print_dict(rpc.notify.notify_get_types(args.client))
3434
3435    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3436    p.set_defaults(func=notify_get_types)
3437
3438    def notify_get_notifications(args):
3439        ret = rpc.notify.notify_get_notifications(args.client,
3440                                                  id=args.id,
3441                                                  max=args.max)
3442        print_dict(ret)
3443
3444    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3445    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3446    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3447    p.set_defaults(func=notify_get_notifications)
3448
3449    def thread_get_stats(args):
3450        print_dict(rpc.app.thread_get_stats(args.client))
3451
3452    p = subparsers.add_parser(
3453        'thread_get_stats', help='Display current statistics of all the threads')
3454    p.set_defaults(func=thread_get_stats)
3455
3456    def thread_set_cpumask(args):
3457        ret = rpc.app.thread_set_cpumask(args.client,
3458                                         id=args.id,
3459                                         cpumask=args.cpumask)
3460    p = subparsers.add_parser('thread_set_cpumask',
3461                              help="""set the cpumask of the thread whose ID matches to the
3462    specified value. The thread may be migrated to one of the specified CPUs.""")
3463    p.add_argument('-i', '--id', type=int, help='thread ID')
3464    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3465    p.set_defaults(func=thread_set_cpumask)
3466
3467    def log_enable_timestamps(args):
3468        ret = rpc.app.log_enable_timestamps(args.client,
3469                                            enabled=args.enabled)
3470    p = subparsers.add_parser('log_enable_timestamps',
3471                              help='Enable or disable timestamps.')
3472    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3473    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3474    p.set_defaults(func=log_enable_timestamps)
3475
3476    def thread_get_pollers(args):
3477        print_dict(rpc.app.thread_get_pollers(args.client))
3478
3479    p = subparsers.add_parser(
3480        'thread_get_pollers', help='Display current pollers of all the threads')
3481    p.set_defaults(func=thread_get_pollers)
3482
3483    def thread_get_io_channels(args):
3484        print_dict(rpc.app.thread_get_io_channels(args.client))
3485
3486    p = subparsers.add_parser(
3487        'thread_get_io_channels', help='Display current IO channels of all the threads')
3488    p.set_defaults(func=thread_get_io_channels)
3489
3490    def env_dpdk_get_mem_stats(args):
3491        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3492
3493    p = subparsers.add_parser(
3494        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3495    p.set_defaults(func=env_dpdk_get_mem_stats)
3496
3497    # blobfs
3498    def blobfs_detect(args):
3499        print(rpc.blobfs.blobfs_detect(args.client,
3500                                       bdev_name=args.bdev_name))
3501
3502    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3503    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3504    p.set_defaults(func=blobfs_detect)
3505
3506    def blobfs_create(args):
3507        print(rpc.blobfs.blobfs_create(args.client,
3508                                       bdev_name=args.bdev_name,
3509                                       cluster_sz=args.cluster_sz))
3510
3511    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3512    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3513    p.add_argument('-c', '--cluster-sz',
3514                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3515    p.set_defaults(func=blobfs_create)
3516
3517    def blobfs_mount(args):
3518        print(rpc.blobfs.blobfs_mount(args.client,
3519                                      bdev_name=args.bdev_name,
3520                                      mountpoint=args.mountpoint))
3521
3522    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3523    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3524    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3525    p.set_defaults(func=blobfs_mount)
3526
3527    def blobfs_set_cache_size(args):
3528        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3529                                               size_in_mb=args.size_in_mb))
3530
3531    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3532    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3533    p.set_defaults(func=blobfs_set_cache_size)
3534
3535    # sock
3536    def sock_impl_get_options(args):
3537        print_json(rpc.sock.sock_impl_get_options(args.client,
3538                                                  impl_name=args.impl))
3539
3540    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3541    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3542    p.set_defaults(func=sock_impl_get_options)
3543
3544    def sock_impl_set_options(args):
3545        rpc.sock.sock_impl_set_options(args.client,
3546                                       impl_name=args.impl,
3547                                       recv_buf_size=args.recv_buf_size,
3548                                       send_buf_size=args.send_buf_size,
3549                                       enable_recv_pipe=args.enable_recv_pipe,
3550                                       enable_quickack=args.enable_quickack,
3551                                       enable_placement_id=args.enable_placement_id,
3552                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3553                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3554                                       zerocopy_threshold=args.zerocopy_threshold,
3555                                       tls_version=args.tls_version,
3556                                       enable_ktls=args.enable_ktls)
3557
3558    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3559    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3560    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3561    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3562    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3563    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3564                   action='store_true', dest='enable_recv_pipe')
3565    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3566                   action='store_false', dest='enable_recv_pipe')
3567    p.add_argument('--enable-quickack', help='Enable quick ACK',
3568                   action='store_true', dest='enable_quickack')
3569    p.add_argument('--disable-quickack', help='Disable quick ACK',
3570                   action='store_false', dest='enable_quickack')
3571    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3572                   action='store_true', dest='enable_zerocopy_send_server')
3573    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3574                   action='store_false', dest='enable_zerocopy_send_server')
3575    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3576                   action='store_true', dest='enable_zerocopy_send_client')
3577    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3578                   action='store_false', dest='enable_zerocopy_send_client')
3579    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3580    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3581    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3582                   action='store_true', dest='enable_ktls')
3583    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3584                   action='store_false', dest='enable_ktls')
3585    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3586                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3587                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3588
3589    def sock_set_default_impl(args):
3590        print_json(rpc.sock.sock_set_default_impl(args.client,
3591                                                  impl_name=args.impl))
3592
3593    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3594    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3595    p.set_defaults(func=sock_set_default_impl)
3596
3597    def sock_get_default_impl(args):
3598        print_json(rpc.sock.sock_get_default_impl(args.client))
3599
3600    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3601    p.set_defaults(func=sock_get_default_impl)
3602
3603    def framework_get_pci_devices(args):
3604        def splitbuf(buf, step):
3605            return [buf[i:i+step] for i in range(0, len(buf), step)]
3606
3607        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3608        if not args.format_lspci:
3609            print_json(devices)
3610        else:
3611            for devid, dev in enumerate(devices):
3612                print('{} device #{}'.format(dev['address'], devid))
3613                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3614                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3615                print()
3616
3617    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3618    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3619                   action='store_true')
3620    p.set_defaults(func=framework_get_pci_devices)
3621
3622    # bdev_nvme_add_error_injection
3623    def bdev_nvme_add_error_injection(args):
3624        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3625                                                          name=args.nvme_name,
3626                                                          cmd_type=args.cmd_type,
3627                                                          opc=args.opc,
3628                                                          do_not_submit=args.do_not_submit,
3629                                                          timeout_in_us=args.timeout_in_us,
3630                                                          err_count=args.err_count,
3631                                                          sct=args.sct,
3632                                                          sc=args.sc))
3633    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3634                              help='Add a NVMe command error injection.')
3635    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3636    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3637    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3638    p.add_argument('-s', '--do-not-submit',
3639                   help="""Set to true if request should not be submitted to the controller""",
3640                   dest="do_not_submit", action='store_true')
3641    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3642    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3643    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3644    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3645    p.set_defaults(func=bdev_nvme_add_error_injection)
3646
3647    # bdev_nvme_remove_error_injection
3648    def bdev_nvme_remove_error_injection(args):
3649        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3650                                                             name=args.nvme_name,
3651                                                             cmd_type=args.cmd_type,
3652                                                             opc=args.opc))
3653    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3654                              help='Removes a NVMe command error injection.')
3655    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3656    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3657    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3658    p.set_defaults(func=bdev_nvme_remove_error_injection)
3659
3660    def bdev_daos_create(args):
3661        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3662        print_json(rpc.bdev.bdev_daos_create(args.client,
3663                                             num_blocks=int(num_blocks),
3664                                             block_size=args.block_size,
3665                                             name=args.name,
3666                                             uuid=args.uuid,
3667                                             pool=args.pool,
3668                                             cont=args.cont,
3669                                             oclass=args.oclass))
3670    p = subparsers.add_parser('bdev_daos_create',
3671                              help='Create a bdev with DAOS backend')
3672    p.add_argument('name', help="Name of the bdev")
3673    p.add_argument('pool', help="UUID of the DAOS pool")
3674    p.add_argument('cont', help="UUID of the DAOS container")
3675    p.add_argument(
3676        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3677    p.add_argument('block_size', help='Block size for this bdev', type=int)
3678    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3679    p.add_argument('-o', '--oclass', help="DAOS object class")
3680    p.set_defaults(func=bdev_daos_create)
3681
3682    def bdev_daos_delete(args):
3683        rpc.bdev.bdev_daos_delete(args.client,
3684                                  name=args.name)
3685
3686    p = subparsers.add_parser('bdev_daos_delete',
3687                              help='Delete a DAOS disk')
3688    p.add_argument('name', help='DAOS bdev name')
3689    p.set_defaults(func=bdev_daos_delete)
3690
3691    def bdev_daos_resize(args):
3692        print_json(rpc.bdev.bdev_daos_resize(args.client,
3693                                             name=args.name,
3694                                             new_size=int(args.new_size)))
3695
3696    p = subparsers.add_parser('bdev_daos_resize',
3697                              help='Resize a DAOS bdev')
3698    p.add_argument('name', help='DAOS bdev name')
3699    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3700    p.set_defaults(func=bdev_daos_resize)
3701
3702    def iobuf_set_options(args):
3703        rpc.iobuf.iobuf_set_options(args.client,
3704                                    small_pool_count=args.small_pool_count,
3705                                    large_pool_count=args.large_pool_count,
3706                                    small_bufsize=args.small_bufsize,
3707                                    large_bufsize=args.large_bufsize)
3708    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3709    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3710    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3711    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3712    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3713    p.set_defaults(func=iobuf_set_options)
3714
3715    def iobuf_get_stats(args):
3716        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3717
3718    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3719    p.set_defaults(func=iobuf_get_stats)
3720
3721    def bdev_nvme_start_mdns_discovery(args):
3722        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3723                                                name=args.name,
3724                                                svcname=args.svcname,
3725                                                hostnqn=args.hostnqn)
3726
3727    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3728    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3729    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3730    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3731    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3732
3733    def bdev_nvme_stop_mdns_discovery(args):
3734        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3735
3736    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3737    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3738    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3739
3740    def bdev_nvme_get_mdns_discovery_info(args):
3741        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3742
3743    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3744    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3745
3746    def keyring_file_add_key(args):
3747        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3748
3749    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3750    p.add_argument('name', help='Name of the key to add')
3751    p.add_argument('path', help='Path of the file containing the key')
3752    p.set_defaults(func=keyring_file_add_key)
3753
3754    def keyring_file_remove_key(args):
3755        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3756
3757    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3758    p.add_argument('name', help='Name of the key to remove')
3759    p.set_defaults(func=keyring_file_remove_key)
3760
3761    def keyring_get_keys(args):
3762        print_dict(rpc.keyring.keyring_get_keys(args.client))
3763
3764    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3765    p.set_defaults(func=keyring_get_keys)
3766
3767    def keyring_linux_set_options(args):
3768        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3769
3770    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3771    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3772    p.set_defaults(func=keyring_linux_set_options)
3773
3774    def check_called_name(name):
3775        if name in deprecated_aliases:
3776            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3777
3778    class dry_run_client:
3779        def call(self, method, params=None):
3780            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3781
3782    def null_print(arg):
3783        pass
3784
3785    def call_rpc_func(args):
3786        args.func(args)
3787        check_called_name(args.called_rpc_name)
3788
3789    def execute_script(parser, client, timeout, fd):
3790        executed_rpc = ""
3791        for rpc_call in map(str.rstrip, fd):
3792            if not rpc_call.strip():
3793                continue
3794            executed_rpc = "\n".join([executed_rpc, rpc_call])
3795            rpc_args = shlex.split(rpc_call)
3796            if rpc_args[0][0] == '#':
3797                # Ignore lines starting with # - treat them as comments
3798                continue
3799            args = parser.parse_args(rpc_args)
3800            args.client = client
3801            args.timeout = timeout
3802            try:
3803                call_rpc_func(args)
3804            except JSONRPCException as ex:
3805                print("Exception:")
3806                print(executed_rpc.strip() + " <<<")
3807                print(ex.message)
3808                exit(1)
3809
3810    def load_plugin(args):
3811        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3812        plugin_parser = argparse.ArgumentParser(add_help=False)
3813        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3814
3815        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3816        if args is not None:
3817            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3818
3819        if rpc_module in plugins:
3820            return
3821
3822        if rpc_module is not None:
3823            try:
3824                rpc_plugin = importlib.import_module(rpc_module)
3825                try:
3826                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3827                    plugins.append(rpc_module)
3828                except AttributeError:
3829                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3830            except ModuleNotFoundError:
3831                print("Module %s not found" % rpc_module)
3832
3833    def replace_arg_underscores(args):
3834        # All option names are defined with dashes only - for example: --tgt-name
3835        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3836        # SPDK was inconsistent previously and had some options with underscores, so
3837        # doing this conversion ensures backward compatibility with older scripts.
3838        for i in range(len(args)):
3839            arg = args[i]
3840            if arg.startswith('--') and "_" in arg:
3841                opt, *vals = arg.split('=')
3842                args[i] = '='.join([opt.replace('_', '-'), *vals])
3843
3844    plugins = []
3845    load_plugin(None)
3846
3847    replace_arg_underscores(sys.argv)
3848
3849    args = parser.parse_args()
3850
3851    try:
3852        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3853    except ValueError:
3854        use_go_client = False
3855
3856    if sys.stdin.isatty() and not hasattr(args, 'func'):
3857        # No arguments and no data piped through stdin
3858        parser.print_help()
3859        exit(1)
3860    if args.is_server:
3861        for input in sys.stdin:
3862            cmd = shlex.split(input)
3863            replace_arg_underscores(cmd)
3864            try:
3865                load_plugin(cmd)
3866                tmp_args = parser.parse_args(cmd)
3867            except SystemExit as ex:
3868                print("**STATUS=1", flush=True)
3869                continue
3870
3871            try:
3872                if use_go_client:
3873                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3874                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3875                else:
3876                    tmp_args.client = rpc.client.JSONRPCClient(
3877                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3878                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3879                call_rpc_func(tmp_args)
3880                print("**STATUS=0", flush=True)
3881            except JSONRPCException as ex:
3882                print(ex.message)
3883                print("**STATUS=1", flush=True)
3884        exit(0)
3885    elif args.dry_run:
3886        args.client = dry_run_client()
3887        print_dict = null_print
3888        print_json = null_print
3889        print_array = null_print
3890    elif args.go_client or use_go_client:
3891        try:
3892            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3893                                                     log_level=getattr(logging, args.verbose.upper()))
3894        except JSONRPCException as ex:
3895            print(ex.message)
3896            exit(1)
3897    else:
3898        try:
3899            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3900                                                   log_level=getattr(logging, args.verbose.upper()),
3901                                                   conn_retries=args.conn_retries)
3902        except JSONRPCException as ex:
3903            print(ex.message)
3904            exit(1)
3905
3906    if hasattr(args, 'func'):
3907        try:
3908            call_rpc_func(args)
3909        except JSONRPCException as ex:
3910            print(ex.message)
3911            exit(1)
3912    else:
3913        execute_script(parser, args.client, args.timeout, sys.stdin)
3914