xref: /spdk/scripts/rpc.py (revision 2d65fd75787eb0bb41e61d598e380b026090c148)
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=60.0, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent)
98
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int)
181    p.set_defaults(func=framework_set_scheduler)
182
183    def framework_get_scheduler(args):
184        print_dict(rpc.app.framework_get_scheduler(args.client))
185
186    p = subparsers.add_parser(
187        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
188    p.set_defaults(func=framework_get_scheduler)
189
190    def framework_disable_cpumask_locks(args):
191        rpc.framework_disable_cpumask_locks(args.client)
192
193    p = subparsers.add_parser('framework_disable_cpumask_locks',
194                              help='Disable CPU core lock files.')
195    p.set_defaults(func=framework_disable_cpumask_locks)
196
197    def framework_enable_cpumask_locks(args):
198        rpc.framework_enable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_enable_cpumask_locks',
201                              help='Enable CPU core lock files.')
202    p.set_defaults(func=framework_enable_cpumask_locks)
203
204    # bdev
205    def bdev_set_options(args):
206        rpc.bdev.bdev_set_options(args.client,
207                                  bdev_io_pool_size=args.bdev_io_pool_size,
208                                  bdev_io_cache_size=args.bdev_io_cache_size,
209                                  bdev_auto_examine=args.bdev_auto_examine,
210                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
211                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
212
213    p = subparsers.add_parser('bdev_set_options',
214                              help="""Set options of bdev subsystem""")
215    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
216    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
217    group = p.add_mutually_exclusive_group()
218    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
219    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
220    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
221    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
222    p.set_defaults(bdev_auto_examine=True)
223    p.set_defaults(func=bdev_set_options)
224
225    def bdev_examine(args):
226        rpc.bdev.bdev_examine(args.client,
227                              name=args.name)
228
229    p = subparsers.add_parser('bdev_examine',
230                              help="""examine a bdev if it exists, or will examine it after it is created""")
231    p.add_argument('-b', '--name', help='Name or alias of the bdev')
232    p.set_defaults(func=bdev_examine)
233
234    def bdev_wait_for_examine(args):
235        rpc.bdev.bdev_wait_for_examine(args.client)
236
237    p = subparsers.add_parser('bdev_wait_for_examine',
238                              help="""Report when all bdevs have been examined""")
239    p.set_defaults(func=bdev_wait_for_examine)
240
241    def bdev_compress_create(args):
242        print_json(rpc.bdev.bdev_compress_create(args.client,
243                                                 base_bdev_name=args.base_bdev_name,
244                                                 pm_path=args.pm_path,
245                                                 lb_size=args.lb_size))
246
247    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
248    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
249    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
250    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
251    p.set_defaults(func=bdev_compress_create)
252
253    def bdev_compress_delete(args):
254        rpc.bdev.bdev_compress_delete(args.client,
255                                      name=args.name)
256
257    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
258    p.add_argument('name', help='compress bdev name')
259    p.set_defaults(func=bdev_compress_delete)
260
261    def bdev_compress_get_orphans(args):
262        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
263                                                      name=args.name))
264    p = subparsers.add_parser(
265        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
266    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
267    p.set_defaults(func=bdev_compress_get_orphans)
268
269    def bdev_crypto_create(args):
270        print_json(rpc.bdev.bdev_crypto_create(args.client,
271                                               base_bdev_name=args.base_bdev_name,
272                                               name=args.name,
273                                               crypto_pmd=args.crypto_pmd,
274                                               key=args.key,
275                                               cipher=args.cipher,
276                                               key2=args.key2,
277                                               key_name=args.key_name))
278    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
279    p.add_argument('base_bdev_name', help="Name of the base bdev")
280    p.add_argument('name', help="Name of the crypto vbdev")
281    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
282    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
283    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
284    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
285    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
286    p.set_defaults(func=bdev_crypto_create)
287
288    def bdev_crypto_delete(args):
289        rpc.bdev.bdev_crypto_delete(args.client,
290                                    name=args.name)
291
292    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
293    p.add_argument('name', help='crypto bdev name')
294    p.set_defaults(func=bdev_crypto_delete)
295
296    def bdev_ocf_create(args):
297        print_json(rpc.bdev.bdev_ocf_create(args.client,
298                                            name=args.name,
299                                            mode=args.mode,
300                                            cache_line_size=args.cache_line_size,
301                                            cache_bdev_name=args.cache_bdev_name,
302                                            core_bdev_name=args.core_bdev_name))
303    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
304    p.add_argument('name', help='Name of resulting OCF bdev')
305    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
306    p.add_argument(
307        '--cache-line-size',
308        help='OCF cache line size. The unit is KiB',
309        type=int,
310        choices=[4, 8, 16, 32, 64]
311    )
312    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
313    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
314    p.set_defaults(func=bdev_ocf_create)
315
316    def bdev_ocf_delete(args):
317        rpc.bdev.bdev_ocf_delete(args.client,
318                                 name=args.name)
319
320    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
321    p.add_argument('name', help='Name of OCF bdev')
322    p.set_defaults(func=bdev_ocf_delete)
323
324    def bdev_ocf_get_stats(args):
325        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
326                                               name=args.name))
327    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_get_stats)
330
331    def bdev_ocf_reset_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
333                                                 name=args.name))
334    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_reset_stats)
337
338    def bdev_ocf_get_bdevs(args):
339        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
340                                               name=args.name))
341    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
342    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
343    p.set_defaults(func=bdev_ocf_get_bdevs)
344
345    def bdev_ocf_set_cache_mode(args):
346        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
347                                                    name=args.name,
348                                                    mode=args.mode))
349    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
350                              help='Set cache mode of OCF block device')
351    p.add_argument('name', help='Name of OCF bdev')
352    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
353    p.set_defaults(func=bdev_ocf_set_cache_mode)
354
355    def bdev_ocf_set_seqcutoff(args):
356        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
357                                        name=args.name,
358                                        policy=args.policy,
359                                        threshold=args.threshold,
360                                        promotion_count=args.promotion_count)
361    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
362                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
363    p.add_argument('name', help='Name of OCF cache bdev')
364    p.add_argument('-t', '--threshold', type=int,
365                   help='Activation threshold [KiB]')
366    p.add_argument('-c', '--promotion-count', type=int,
367                   help='Promotion request count')
368    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
369                   help='Sequential cutoff policy')
370    p.set_defaults(func=bdev_ocf_set_seqcutoff)
371
372    def bdev_ocf_flush_start(args):
373        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
374    p = subparsers.add_parser('bdev_ocf_flush_start',
375                              help='Start flushing OCF cache device')
376    p.add_argument('name', help='Name of OCF bdev')
377    p.set_defaults(func=bdev_ocf_flush_start)
378
379    def bdev_ocf_flush_status(args):
380        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
381    p = subparsers.add_parser('bdev_ocf_flush_status',
382                              help='Get flush status of OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_status)
385
386    def bdev_malloc_create(args):
387        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
388        print_json(rpc.bdev.bdev_malloc_create(args.client,
389                                               num_blocks=int(num_blocks),
390                                               block_size=args.block_size,
391                                               physical_block_size=args.physical_block_size,
392                                               name=args.name,
393                                               uuid=args.uuid,
394                                               optimal_io_boundary=args.optimal_io_boundary,
395                                               md_size=args.md_size,
396                                               md_interleave=args.md_interleave,
397                                               dif_type=args.dif_type,
398                                               dif_is_head_of_md=args.dif_is_head_of_md))
399    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
400    p.add_argument('-b', '--name', help="Name of the bdev")
401    p.add_argument('-u', '--uuid', help="UUID of the bdev")
402    p.add_argument(
403        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
404    p.add_argument('block_size', help='Data block size for this bdev', type=int)
405    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
406    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
407    blocks, default 0 (disabled)""", type=int)
408    p.add_argument('-m', '--md-size', type=int,
409                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
410    p.add_argument('-i', '--md-interleave', action='store_true',
411                   help='Metadata location, interleaved if set, and separated if omitted.')
412    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
413                   help='Protection information type. Parameter --md-size needs'
414                        'to be set along --dif-type. Default=0 - no protection.')
415    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
416                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
417    p.set_defaults(func=bdev_malloc_create)
418
419    def bdev_malloc_delete(args):
420        rpc.bdev.bdev_malloc_delete(args.client,
421                                    name=args.name)
422
423    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
424    p.add_argument('name', help='malloc bdev name')
425    p.set_defaults(func=bdev_malloc_delete)
426
427    def bdev_null_create(args):
428        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
429        if args.dif_type and not args.md_size:
430            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
431            exit(1)
432        print_json(rpc.bdev.bdev_null_create(args.client,
433                                             num_blocks=num_blocks,
434                                             block_size=args.block_size,
435                                             physical_block_size=args.physical_block_size,
436                                             name=args.name,
437                                             uuid=args.uuid,
438                                             md_size=args.md_size,
439                                             dif_type=args.dif_type,
440                                             dif_is_head_of_md=args.dif_is_head_of_md))
441
442    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
443    p.add_argument('name', help='Block device name')
444    p.add_argument('-u', '--uuid', help='UUID of the bdev')
445    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
446    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
447    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
448    p.add_argument('-m', '--md-size', type=int,
449                   help='Metadata size for this bdev. Default=0.')
450    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
451                   help='Protection information type. Parameter --md-size needs'
452                        'to be set along --dif-type. Default=0 - no protection.')
453    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
454                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
455    p.set_defaults(func=bdev_null_create)
456
457    def bdev_null_delete(args):
458        rpc.bdev.bdev_null_delete(args.client,
459                                  name=args.name)
460
461    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
462    p.add_argument('name', help='null bdev name')
463    p.set_defaults(func=bdev_null_delete)
464
465    def bdev_null_resize(args):
466        print_json(rpc.bdev.bdev_null_resize(args.client,
467                                             name=args.name,
468                                             new_size=int(args.new_size)))
469
470    p = subparsers.add_parser('bdev_null_resize',
471                              help='Resize a null bdev')
472    p.add_argument('name', help='null bdev name')
473    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
474    p.set_defaults(func=bdev_null_resize)
475
476    def bdev_aio_create(args):
477        print_json(rpc.bdev.bdev_aio_create(args.client,
478                                            filename=args.filename,
479                                            name=args.name,
480                                            block_size=args.block_size,
481                                            readonly=args.readonly,
482                                            fallocate=args.fallocate))
483
484    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
485    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
486    p.add_argument('name', help='Block device name')
487    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
488    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
489    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
490    p.set_defaults(func=bdev_aio_create)
491
492    def bdev_aio_rescan(args):
493        print_json(rpc.bdev.bdev_aio_rescan(args.client,
494                                            name=args.name))
495
496    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
497    p.add_argument('name', help='Block device name')
498    p.set_defaults(func=bdev_aio_rescan)
499
500    def bdev_aio_delete(args):
501        rpc.bdev.bdev_aio_delete(args.client,
502                                 name=args.name)
503
504    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
505    p.add_argument('name', help='aio bdev name')
506    p.set_defaults(func=bdev_aio_delete)
507
508    def bdev_uring_create(args):
509        print_json(rpc.bdev.bdev_uring_create(args.client,
510                                              filename=args.filename,
511                                              name=args.name,
512                                              block_size=args.block_size,
513                                              uuid=args.uuid))
514
515    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
516    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
517    p.add_argument('name', help='bdev name')
518    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
519    p.add_argument('-u', '--uuid', help="UUID of the bdev")
520    p.set_defaults(func=bdev_uring_create)
521
522    def bdev_uring_rescan(args):
523        print_json(rpc.bdev.bdev_uring_rescan(args.client,
524                                              name=args.name))
525
526    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
527    p.add_argument('name', help='Block device name')
528    p.set_defaults(func=bdev_uring_rescan)
529
530    def bdev_uring_delete(args):
531        rpc.bdev.bdev_uring_delete(args.client,
532                                   name=args.name)
533
534    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
535    p.add_argument('name', help='uring bdev name')
536    p.set_defaults(func=bdev_uring_delete)
537
538    def bdev_xnvme_create(args):
539        print_json(rpc.bdev.bdev_xnvme_create(args.client,
540                                              filename=args.filename,
541                                              name=args.name,
542                                              io_mechanism=args.io_mechanism))
543
544    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
545    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
546    p.add_argument('name', help='name of xNVMe bdev to create')
547    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
548    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
549    p.set_defaults(func=bdev_xnvme_create)
550
551    def bdev_xnvme_delete(args):
552        rpc.bdev.bdev_xnvme_delete(args.client,
553                                   name=args.name)
554
555    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
556    p.add_argument('name', help='xNVMe bdev name')
557    p.set_defaults(func=bdev_xnvme_delete)
558
559    def bdev_nvme_set_options(args):
560        rpc.bdev.bdev_nvme_set_options(args.client,
561                                       action_on_timeout=args.action_on_timeout,
562                                       timeout_us=args.timeout_us,
563                                       timeout_admin_us=args.timeout_admin_us,
564                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
565                                       retry_count=args.retry_count,
566                                       arbitration_burst=args.arbitration_burst,
567                                       low_priority_weight=args.low_priority_weight,
568                                       medium_priority_weight=args.medium_priority_weight,
569                                       high_priority_weight=args.high_priority_weight,
570                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
571                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
572                                       io_queue_requests=args.io_queue_requests,
573                                       delay_cmd_submit=args.delay_cmd_submit,
574                                       transport_retry_count=args.transport_retry_count,
575                                       bdev_retry_count=args.bdev_retry_count,
576                                       transport_ack_timeout=args.transport_ack_timeout,
577                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
578                                       reconnect_delay_sec=args.reconnect_delay_sec,
579                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
580                                       disable_auto_failback=args.disable_auto_failback,
581                                       generate_uuids=args.generate_uuids,
582                                       transport_tos=args.transport_tos,
583                                       nvme_error_stat=args.nvme_error_stat,
584                                       rdma_srq_size=args.rdma_srq_size,
585                                       io_path_stat=args.io_path_stat,
586                                       allow_accel_sequence=args.allow_accel_sequence,
587                                       rdma_max_cq_size=args.rdma_max_cq_size,
588                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
589                                       dhchap_digests=args.dhchap_digests,
590                                       dhchap_dhgroups=args.dhchap_dhgroups)
591
592    p = subparsers.add_parser('bdev_nvme_set_options',
593                              help='Set options for the bdev nvme type. This is startup command.')
594    p.add_argument('-a', '--action-on-timeout',
595                   help="Action to take on command time out. Valid values are: none, reset, abort")
596    p.add_argument('-t', '--timeout-us',
597                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
598    p.add_argument('--timeout-admin-us',
599                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
600    p.add_argument('-k', '--keep-alive-timeout-ms',
601                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
602    p.add_argument('-n', '--retry-count',
603                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
604    p.add_argument('--arbitration-burst',
605                   help='the value is expressed as a power of two', type=int)
606    p.add_argument('--low-priority-weight',
607                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
608    p.add_argument('--medium-priority-weight',
609                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
610    p.add_argument('--high-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
612    p.add_argument('-p', '--nvme-adminq-poll-period-us',
613                   help='How often the admin queue is polled for asynchronous events', type=int)
614    p.add_argument('-i', '--nvme-ioq-poll-period-us',
615                   help='How often to poll I/O queues for completions', type=int)
616    p.add_argument('-s', '--io-queue-requests',
617                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
618    p.add_argument('-d', '--disable-delay-cmd-submit',
619                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
620                   action='store_false', dest='delay_cmd_submit')
621    p.add_argument('-c', '--transport-retry-count',
622                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
623    p.add_argument('-r', '--bdev-retry-count',
624                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
625    p.add_argument('-e', '--transport-ack-timeout',
626                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
627                   Range 0-31 where 0 is driver-specific default value.""", type=int)
628    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
629                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
630                   -1 means infinite reconnect retries. 0 means no reconnect retry.
631                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
632                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
633                   reconnect_delay_sec.
634                   This can be overridden by bdev_nvme_attach_controller.""",
635                   type=int)
636    p.add_argument('-o', '--reconnect-delay-sec',
637                   help="""Time to delay a reconnect retry.
638                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
639                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
640                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
641                   less than ctrlr_loss_timeout_sec.
642                   This can be overridden by bdev_nvme_attach_controller.""",
643                   type=int)
644    p.add_argument('-u', '--fast-io-fail-timeout-sec',
645                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
646                   0 means no such timeout.
647                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
648                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
649                   This can be overridden by bdev_nvme_attach_controller.""",
650                   type=int)
651    p.add_argument('-f', '--disable-auto-failback',
652                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
653                   By default, immediately failback to the preferred I/O path if it restored.""",
654                   action='store_true')
655    p.add_argument('--generate-uuids',
656                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
657                   not provide UUID themselves. These strings are based on device serial number and
658                   namespace ID and will always be the same for that device.""", action='store_true')
659    p.add_argument('--transport-tos',
660                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
661                   The default is 0 which means no TOS is applied.""", type=int)
662    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
663    p.add_argument('-q', '--rdma-srq-size',
664                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
665    p.add_argument('--io-path-stat',
666                   help="""Enable collecting I/O path stat of each io path.""",
667                   action='store_true')
668    p.add_argument('--allow-accel-sequence',
669                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
670                   controller also supports them.''', action='store_true')
671    p.add_argument('--rdma-max-cq-size',
672                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
673    p.add_argument('--rdma-cm-event-timeout-ms',
674                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
675    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
676                   type=lambda d: d.split(','))
677    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
678                   type=lambda d: d.split(','))
679
680    p.set_defaults(func=bdev_nvme_set_options)
681
682    def bdev_nvme_set_hotplug(args):
683        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
684
685    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
686    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
687    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
688    p.add_argument('-r', '--period-us',
689                   help='How often the hotplug is processed for insert and remove events', type=int)
690    p.set_defaults(func=bdev_nvme_set_hotplug)
691
692    def bdev_nvme_attach_controller(args):
693        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
694                                                         name=args.name,
695                                                         trtype=args.trtype,
696                                                         traddr=args.traddr,
697                                                         adrfam=args.adrfam,
698                                                         trsvcid=args.trsvcid,
699                                                         priority=args.priority,
700                                                         subnqn=args.subnqn,
701                                                         hostnqn=args.hostnqn,
702                                                         hostaddr=args.hostaddr,
703                                                         hostsvcid=args.hostsvcid,
704                                                         prchk_reftag=args.prchk_reftag,
705                                                         prchk_guard=args.prchk_guard,
706                                                         hdgst=args.hdgst,
707                                                         ddgst=args.ddgst,
708                                                         fabrics_timeout=args.fabrics_timeout,
709                                                         multipath=args.multipath,
710                                                         num_io_queues=args.num_io_queues,
711                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
712                                                         reconnect_delay_sec=args.reconnect_delay_sec,
713                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
714                                                         psk=args.psk,
715                                                         max_bdevs=args.max_bdevs,
716                                                         dhchap_key=args.dhchap_key))
717
718    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
719    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
720    p.add_argument('-t', '--trtype',
721                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
722    p.add_argument('-a', '--traddr',
723                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
724    p.add_argument('-f', '--adrfam',
725                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
726    p.add_argument('-s', '--trsvcid',
727                   help='NVMe-oF target trsvcid: e.g., a port number')
728    p.add_argument('-p', '--priority',
729                   help='NVMe-oF connection priority: e.g., a priority number')
730    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
731    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
732    p.add_argument('-i', '--hostaddr',
733                   help='NVMe-oF host address: e.g., an ip address')
734    p.add_argument('-c', '--hostsvcid',
735                   help='NVMe-oF host svcid: e.g., a port number')
736    p.add_argument('-r', '--prchk-reftag',
737                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
738    p.add_argument('-g', '--prchk-guard',
739                   help='Enable checking of PI guard for I/O processing.', action='store_true')
740    p.add_argument('-e', '--hdgst',
741                   help='Enable TCP header digest.', action='store_true')
742    p.add_argument('-d', '--ddgst',
743                   help='Enable TCP data digest.', action='store_true')
744    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
745    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
746    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
747    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
748                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
749                   -1 means infinite reconnect retries. 0 means no reconnect retry.
750                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
751                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
752                   reconnect_delay_sec.""",
753                   type=int)
754    p.add_argument('-o', '--reconnect-delay-sec',
755                   help="""Time to delay a reconnect retry.
756                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
757                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
758                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
759                   less than ctrlr_loss_timeout_sec.""",
760                   type=int)
761    p.add_argument('-u', '--fast-io-fail-timeout-sec',
762                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
763                   0 means no such timeout.
764                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
765                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
766                   type=int)
767    p.add_argument('-k', '--psk',
768                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
769                   name of a key attached to the keyring or a path to a file containig the key.  The
770                   latter method is deprecated.""")
771    p.add_argument('-m', '--max-bdevs', type=int,
772                   help='The size of the name array for newly created bdevs. Default is 128',)
773    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
774
775    p.set_defaults(func=bdev_nvme_attach_controller)
776
777    def bdev_nvme_get_controllers(args):
778        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
779                                                      name=args.name))
780
781    p = subparsers.add_parser(
782        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
783    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
784    p.set_defaults(func=bdev_nvme_get_controllers)
785
786    def bdev_nvme_detach_controller(args):
787        rpc.bdev.bdev_nvme_detach_controller(args.client,
788                                             name=args.name,
789                                             trtype=args.trtype,
790                                             traddr=args.traddr,
791                                             adrfam=args.adrfam,
792                                             trsvcid=args.trsvcid,
793                                             subnqn=args.subnqn,
794                                             hostaddr=args.hostaddr,
795                                             hostsvcid=args.hostsvcid)
796
797    p = subparsers.add_parser('bdev_nvme_detach_controller',
798                              help='Detach an NVMe controller and delete any associated bdevs')
799    p.add_argument('name', help="Name of the controller")
800    p.add_argument('-t', '--trtype',
801                   help='NVMe-oF target trtype: e.g., rdma, pcie')
802    p.add_argument('-a', '--traddr',
803                   help='NVMe-oF target address: e.g., an ip address or BDF')
804    p.add_argument('-f', '--adrfam',
805                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
806    p.add_argument('-s', '--trsvcid',
807                   help='NVMe-oF target trsvcid: e.g., a port number')
808    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
809    p.add_argument('-i', '--hostaddr',
810                   help='NVMe-oF host address: e.g., an ip address')
811    p.add_argument('-c', '--hostsvcid',
812                   help='NVMe-oF host svcid: e.g., a port number')
813    p.set_defaults(func=bdev_nvme_detach_controller)
814
815    def bdev_nvme_reset_controller(args):
816        rpc.bdev.bdev_nvme_reset_controller(args.client,
817                                            name=args.name,
818                                            cntlid=args.cntlid)
819
820    p = subparsers.add_parser('bdev_nvme_reset_controller',
821                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
822    p.add_argument('name', help="Name of the NVMe controller")
823    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
824    p.set_defaults(func=bdev_nvme_reset_controller)
825
826    def bdev_nvme_enable_controller(args):
827        rpc.bdev.bdev_nvme_enable_controller(args.client,
828                                             name=args.name,
829                                             cntlid=args.cntlid)
830
831    p = subparsers.add_parser('bdev_nvme_enable_controller',
832                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
833    p.add_argument('name', help="Name of the NVMe controller")
834    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
835    p.set_defaults(func=bdev_nvme_enable_controller)
836
837    def bdev_nvme_disable_controller(args):
838        rpc.bdev.bdev_nvme_disable_controller(args.client,
839                                              name=args.name,
840                                              cntlid=args.cntlid)
841
842    p = subparsers.add_parser('bdev_nvme_disable_controller',
843                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
844    p.add_argument('name', help="Name of the NVMe controller")
845    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
846    p.set_defaults(func=bdev_nvme_disable_controller)
847
848    def bdev_nvme_start_discovery(args):
849        rpc.bdev.bdev_nvme_start_discovery(args.client,
850                                           name=args.name,
851                                           trtype=args.trtype,
852                                           traddr=args.traddr,
853                                           adrfam=args.adrfam,
854                                           trsvcid=args.trsvcid,
855                                           hostnqn=args.hostnqn,
856                                           wait_for_attach=args.wait_for_attach,
857                                           attach_timeout_ms=args.attach_timeout_ms,
858                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
859                                           reconnect_delay_sec=args.reconnect_delay_sec,
860                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
861
862    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
863    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
864    p.add_argument('-t', '--trtype',
865                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
866    p.add_argument('-a', '--traddr',
867                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
868    p.add_argument('-f', '--adrfam',
869                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
870    p.add_argument('-s', '--trsvcid',
871                   help='NVMe-oF target trsvcid: e.g., a port number')
872    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
873    p.add_argument('-w', '--wait-for-attach', action='store_true',
874                   help='Do not complete RPC until all discovered NVM subsystems are attached')
875    p.add_argument('-T', '--attach-timeout-ms', type=int,
876                   help="""Time to wait until the discovery and all discovered NVM subsystems
877                        are attached (default: 0, meaning wait indefinitely).  Automatically
878                        selects the --wait-for-attach option.""")
879    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
880                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
881                   -1 means infinite reconnect retries. 0 means no reconnect retry.
882                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
883                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
884                   reconnect_delay_sec.""",
885                   type=int)
886    p.add_argument('-o', '--reconnect-delay-sec',
887                   help="""Time to delay a reconnect retry.
888                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
889                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
890                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
891                   less than ctrlr_loss_timeout_sec.""",
892                   type=int)
893    p.add_argument('-u', '--fast-io-fail-timeout-sec',
894                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
895                   0 means no such timeout.
896                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
897                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
898                   type=int)
899    p.set_defaults(func=bdev_nvme_start_discovery)
900
901    def bdev_nvme_stop_discovery(args):
902        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
903
904    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
905    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
906    p.set_defaults(func=bdev_nvme_stop_discovery)
907
908    def bdev_nvme_get_discovery_info(args):
909        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
910
911    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
912    p.set_defaults(func=bdev_nvme_get_discovery_info)
913
914    def bdev_nvme_get_io_paths(args):
915        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
916
917    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
918    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
919    p.set_defaults(func=bdev_nvme_get_io_paths)
920
921    def bdev_nvme_set_preferred_path(args):
922        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
923                                              name=args.name,
924                                              cntlid=args.cntlid)
925
926    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
927                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
928    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
929    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
930    p.set_defaults(func=bdev_nvme_set_preferred_path)
931
932    def bdev_nvme_set_multipath_policy(args):
933        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
934                                                name=args.name,
935                                                policy=args.policy,
936                                                selector=args.selector,
937                                                rr_min_io=args.rr_min_io)
938
939    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
940                              help="""Set multipath policy of the NVMe bdev""")
941    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
942    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
943    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
944    p.add_argument('-r', '--rr-min-io',
945                   help='Number of IO to route to a path before switching to another for round-robin',
946                   type=int)
947    p.set_defaults(func=bdev_nvme_set_multipath_policy)
948
949    def bdev_nvme_get_path_iostat(args):
950        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
951                                                      name=args.name))
952
953    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
954                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
955                              called when io_path_stat is true.""")
956    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
957    p.set_defaults(func=bdev_nvme_get_path_iostat)
958
959    def bdev_nvme_cuse_register(args):
960        rpc.bdev.bdev_nvme_cuse_register(args.client,
961                                         name=args.name)
962
963    p = subparsers.add_parser('bdev_nvme_cuse_register',
964                              help='Register CUSE devices on NVMe controller')
965    p.add_argument('-n', '--name',
966                   help='Name of the NVMe controller. Example: Nvme0', required=True)
967    p.set_defaults(func=bdev_nvme_cuse_register)
968
969    def bdev_nvme_cuse_unregister(args):
970        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
971                                           name=args.name)
972
973    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
974                              help='Unregister CUSE devices on NVMe controller')
975    p.add_argument('-n', '--name',
976                   help='Name of the NVMe controller. Example: Nvme0', required=True)
977    p.set_defaults(func=bdev_nvme_cuse_unregister)
978
979    def bdev_zone_block_create(args):
980        print_json(rpc.bdev.bdev_zone_block_create(args.client,
981                                                   name=args.name,
982                                                   base_bdev=args.base_bdev,
983                                                   zone_capacity=args.zone_capacity,
984                                                   optimal_open_zones=args.optimal_open_zones))
985
986    p = subparsers.add_parser('bdev_zone_block_create',
987                              help='Create virtual zone namespace device with block device backend')
988    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
989    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
990    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
991    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
992    p.set_defaults(func=bdev_zone_block_create)
993
994    def bdev_zone_block_delete(args):
995        rpc.bdev.bdev_zone_block_delete(args.client,
996                                        name=args.name)
997
998    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
999    p.add_argument('name', help='Virtual zone bdev name')
1000    p.set_defaults(func=bdev_zone_block_delete)
1001
1002    def bdev_rbd_register_cluster(args):
1003        config_param = None
1004        if args.config_param:
1005            config_param = {}
1006            for entry in args.config_param:
1007                parts = entry.split('=', 1)
1008                if len(parts) != 2:
1009                    raise Exception('--config %s not in key=value form' % entry)
1010                config_param[parts[0]] = parts[1]
1011        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1012                                                      name=args.name,
1013                                                      user_id=args.user,
1014                                                      config_param=config_param,
1015                                                      config_file=args.config_file,
1016                                                      key_file=args.key_file,
1017                                                      core_mask=args.core_mask))
1018
1019    p = subparsers.add_parser('bdev_rbd_register_cluster',
1020                              help='Add a Rados cluster with ceph rbd backend')
1021    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1022    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1023    p.add_argument('--config-param', action='append', metavar='key=value',
1024                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1025    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1026    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1027    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1028    p.set_defaults(func=bdev_rbd_register_cluster)
1029
1030    def bdev_rbd_unregister_cluster(args):
1031        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1032
1033    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1034                              help='Unregister a Rados cluster object')
1035    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1036    p.set_defaults(func=bdev_rbd_unregister_cluster)
1037
1038    def bdev_rbd_get_clusters_info(args):
1039        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1040
1041    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1042                              help='Display registered Rados Cluster names and related info')
1043    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1044    p.set_defaults(func=bdev_rbd_get_clusters_info)
1045
1046    def bdev_rbd_create(args):
1047        config = None
1048        if args.config:
1049            config = {}
1050            for entry in args.config:
1051                parts = entry.split('=', 1)
1052                if len(parts) != 2:
1053                    raise Exception('--config %s not in key=value form' % entry)
1054                config[parts[0]] = parts[1]
1055        print_json(rpc.bdev.bdev_rbd_create(args.client,
1056                                            name=args.name,
1057                                            user_id=args.user,
1058                                            config=config,
1059                                            pool_name=args.pool_name,
1060                                            rbd_name=args.rbd_name,
1061                                            block_size=args.block_size,
1062                                            cluster_name=args.cluster_name,
1063                                            uuid=args.uuid))
1064
1065    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1066    p.add_argument('-b', '--name', help="Name of the bdev")
1067    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1068    p.add_argument('--config', action='append', metavar='key=value',
1069                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1070    p.add_argument('pool_name', help='rbd pool name')
1071    p.add_argument('rbd_name', help='rbd image name')
1072    p.add_argument('block_size', help='rbd block size', type=int)
1073    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1074    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1075    p.set_defaults(func=bdev_rbd_create)
1076
1077    def bdev_rbd_delete(args):
1078        rpc.bdev.bdev_rbd_delete(args.client,
1079                                 name=args.name)
1080
1081    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1082    p.add_argument('name', help='rbd bdev name')
1083    p.set_defaults(func=bdev_rbd_delete)
1084
1085    def bdev_rbd_resize(args):
1086        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1087                                            name=args.name,
1088                                            new_size=int(args.new_size)))
1089
1090    p = subparsers.add_parser('bdev_rbd_resize',
1091                              help='Resize a rbd bdev')
1092    p.add_argument('name', help='rbd bdev name')
1093    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1094    p.set_defaults(func=bdev_rbd_resize)
1095
1096    def bdev_delay_create(args):
1097        print_json(rpc.bdev.bdev_delay_create(args.client,
1098                                              base_bdev_name=args.base_bdev_name,
1099                                              name=args.name,
1100                                              uuid=args.uuid,
1101                                              avg_read_latency=args.avg_read_latency,
1102                                              p99_read_latency=args.nine_nine_read_latency,
1103                                              avg_write_latency=args.avg_write_latency,
1104                                              p99_write_latency=args.nine_nine_write_latency))
1105
1106    p = subparsers.add_parser('bdev_delay_create',
1107                              help='Add a delay bdev on existing bdev')
1108    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1109    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1110    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1111    p.add_argument('-r', '--avg-read-latency',
1112                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1113    p.add_argument('-t', '--nine-nine-read-latency',
1114                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1115    p.add_argument('-w', '--avg-write-latency',
1116                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1117    p.add_argument('-n', '--nine-nine-write-latency',
1118                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1119    p.set_defaults(func=bdev_delay_create)
1120
1121    def bdev_delay_delete(args):
1122        rpc.bdev.bdev_delay_delete(args.client,
1123                                   name=args.name)
1124
1125    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1126    p.add_argument('name', help='delay bdev name')
1127    p.set_defaults(func=bdev_delay_delete)
1128
1129    def bdev_delay_update_latency(args):
1130        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1131                                                      delay_bdev_name=args.delay_bdev_name,
1132                                                      latency_type=args.latency_type,
1133                                                      latency_us=args.latency_us))
1134    p = subparsers.add_parser('bdev_delay_update_latency',
1135                              help='Update one of the latency values for a given delay bdev')
1136    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1137    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1138    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1139    p.set_defaults(func=bdev_delay_update_latency)
1140
1141    def bdev_error_create(args):
1142        print_json(rpc.bdev.bdev_error_create(args.client,
1143                                              base_name=args.base_name,
1144                                              uuid=args.uuid))
1145
1146    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1147    p.add_argument('base_name', help='base bdev name')
1148    p.add_argument('--uuid', help='UUID for this bdev')
1149    p.set_defaults(func=bdev_error_create)
1150
1151    def bdev_error_delete(args):
1152        rpc.bdev.bdev_error_delete(args.client,
1153                                   name=args.name)
1154
1155    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1156    p.add_argument('name', help='error bdev name')
1157    p.set_defaults(func=bdev_error_delete)
1158
1159    def bdev_iscsi_set_options(args):
1160        rpc.bdev.bdev_iscsi_set_options(args.client,
1161                                        timeout_sec=args.timeout_sec)
1162
1163    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1164    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1165    p.set_defaults(func=bdev_iscsi_set_options)
1166
1167    def bdev_iscsi_create(args):
1168        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1169                                              name=args.name,
1170                                              url=args.url,
1171                                              initiator_iqn=args.initiator_iqn))
1172
1173    p = subparsers.add_parser('bdev_iscsi_create',
1174                              help='Add bdev with iSCSI initiator backend')
1175    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1176    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1177    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1178    p.set_defaults(func=bdev_iscsi_create)
1179
1180    def bdev_iscsi_delete(args):
1181        rpc.bdev.bdev_iscsi_delete(args.client,
1182                                   name=args.name)
1183
1184    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1185    p.add_argument('name', help='iSCSI bdev name')
1186    p.set_defaults(func=bdev_iscsi_delete)
1187
1188    def bdev_passthru_create(args):
1189        print_json(rpc.bdev.bdev_passthru_create(args.client,
1190                                                 base_bdev_name=args.base_bdev_name,
1191                                                 name=args.name,
1192                                                 uuid=args.uuid))
1193
1194    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1195    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1196    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1197    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1198    p.set_defaults(func=bdev_passthru_create)
1199
1200    def bdev_passthru_delete(args):
1201        rpc.bdev.bdev_passthru_delete(args.client,
1202                                      name=args.name)
1203
1204    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1205    p.add_argument('name', help='pass through bdev name')
1206    p.set_defaults(func=bdev_passthru_delete)
1207
1208    def bdev_get_bdevs(args):
1209        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1210                                           name=args.name, timeout=args.timeout_ms))
1211
1212    p = subparsers.add_parser('bdev_get_bdevs',
1213                              help='Display current blockdev list or required blockdev')
1214    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1215    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1216    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1217    whether the bdev exists or not.""",
1218                   type=int)
1219    p.set_defaults(func=bdev_get_bdevs)
1220
1221    def bdev_get_iostat(args):
1222        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1223                                            name=args.name,
1224                                            per_channel=args.per_channel))
1225
1226    p = subparsers.add_parser('bdev_get_iostat',
1227                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1228    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1229    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1230                   action='store_true')
1231    p.set_defaults(func=bdev_get_iostat)
1232
1233    def bdev_reset_iostat(args):
1234        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1235
1236    p = subparsers.add_parser('bdev_reset_iostat',
1237                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1238    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1239    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1240    p.set_defaults(func=bdev_reset_iostat)
1241
1242    def bdev_enable_histogram(args):
1243        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1244
1245    p = subparsers.add_parser('bdev_enable_histogram',
1246                              help='Enable or disable histogram for specified bdev')
1247    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1248    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1249    p.add_argument('name', help='bdev name')
1250    p.set_defaults(func=bdev_enable_histogram)
1251
1252    def bdev_get_histogram(args):
1253        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1254
1255    p = subparsers.add_parser('bdev_get_histogram',
1256                              help='Get histogram for specified bdev')
1257    p.add_argument('name', help='bdev name')
1258    p.set_defaults(func=bdev_get_histogram)
1259
1260    def bdev_set_qd_sampling_period(args):
1261        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1262                                             name=args.name,
1263                                             period=args.period)
1264
1265    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1266                              help="Enable or disable tracking of a bdev's queue depth.")
1267    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1268    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1269                   ' If set to 0, polling will be disabled.',
1270                   type=int)
1271    p.set_defaults(func=bdev_set_qd_sampling_period)
1272
1273    def bdev_set_qos_limit(args):
1274        rpc.bdev.bdev_set_qos_limit(args.client,
1275                                    name=args.name,
1276                                    rw_ios_per_sec=args.rw_ios_per_sec,
1277                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1278                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1279                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1280
1281    p = subparsers.add_parser('bdev_set_qos_limit',
1282                              help='Set QoS rate limit on a blockdev')
1283    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1284    p.add_argument('--rw-ios-per-sec',
1285                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1286                   type=int)
1287    p.add_argument('--rw-mbytes-per-sec',
1288                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1289                   type=int)
1290    p.add_argument('--r-mbytes-per-sec',
1291                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1292                   type=int)
1293    p.add_argument('--w-mbytes-per-sec',
1294                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1295                   type=int)
1296    p.set_defaults(func=bdev_set_qos_limit)
1297
1298    def bdev_error_inject_error(args):
1299        rpc.bdev.bdev_error_inject_error(args.client,
1300                                         name=args.name,
1301                                         io_type=args.io_type,
1302                                         error_type=args.error_type,
1303                                         num=args.num,
1304                                         queue_depth=args.queue_depth,
1305                                         corrupt_offset=args.corrupt_offset,
1306                                         corrupt_value=args.corrupt_value)
1307
1308    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1309    p.add_argument('name', help="""the name of the error injection bdev""")
1310    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1311    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1312    p.add_argument(
1313        '-n', '--num', help='the number of commands you want to fail', type=int)
1314    p.add_argument(
1315        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1316    p.add_argument(
1317        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1318    p.add_argument(
1319        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1320    p.set_defaults(func=bdev_error_inject_error)
1321
1322    def bdev_nvme_apply_firmware(args):
1323        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1324                                                     bdev_name=args.bdev_name,
1325                                                     filename=args.filename))
1326
1327    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1328    p.add_argument('filename', help='filename of the firmware to download')
1329    p.add_argument('bdev_name', help='name of the NVMe device')
1330    p.set_defaults(func=bdev_nvme_apply_firmware)
1331
1332    def bdev_nvme_get_transport_statistics(args):
1333        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1334
1335    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1336                              help='Get bdev_nvme poll group transport statistics')
1337    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1338
1339    def bdev_nvme_get_controller_health_info(args):
1340        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1341                                                                 name=args.name))
1342
1343    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1344                              help='Display health log of the required NVMe bdev controller.')
1345    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1346    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1347
1348    # iSCSI
1349    def iscsi_set_options(args):
1350        rpc.iscsi.iscsi_set_options(
1351            args.client,
1352            auth_file=args.auth_file,
1353            node_base=args.node_base,
1354            nop_timeout=args.nop_timeout,
1355            nop_in_interval=args.nop_in_interval,
1356            disable_chap=args.disable_chap,
1357            require_chap=args.require_chap,
1358            mutual_chap=args.mutual_chap,
1359            chap_group=args.chap_group,
1360            max_sessions=args.max_sessions,
1361            max_queue_depth=args.max_queue_depth,
1362            max_connections_per_session=args.max_connections_per_session,
1363            default_time2wait=args.default_time2wait,
1364            default_time2retain=args.default_time2retain,
1365            first_burst_length=args.first_burst_length,
1366            immediate_data=args.immediate_data,
1367            error_recovery_level=args.error_recovery_level,
1368            allow_duplicated_isid=args.allow_duplicated_isid,
1369            max_large_datain_per_connection=args.max_large_datain_per_connection,
1370            max_r2t_per_connection=args.max_r2t_per_connection,
1371            pdu_pool_size=args.pdu_pool_size,
1372            immediate_data_pool_size=args.immediate_data_pool_size,
1373            data_out_pool_size=args.data_out_pool_size)
1374
1375    p = subparsers.add_parser('iscsi_set_options',
1376                              help="""Set options of iSCSI subsystem""")
1377    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1378    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1379    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1380    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1381    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1382    *** Mutually exclusive with --require-chap""", action='store_true')
1383    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1384    *** Mutually exclusive with --disable-chap""", action='store_true')
1385    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1386    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1387    *** Authentication group must be precreated ***""", type=int)
1388    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1389    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1390    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1391    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1392    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1393    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1394    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1395    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1396    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1397    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1398    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1399    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1400    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1401    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1402    p.set_defaults(func=iscsi_set_options)
1403
1404    def iscsi_set_discovery_auth(args):
1405        rpc.iscsi.iscsi_set_discovery_auth(
1406            args.client,
1407            disable_chap=args.disable_chap,
1408            require_chap=args.require_chap,
1409            mutual_chap=args.mutual_chap,
1410            chap_group=args.chap_group)
1411
1412    p = subparsers.add_parser('iscsi_set_discovery_auth',
1413                              help="""Set CHAP authentication for discovery session.""")
1414    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1415    *** Mutually exclusive with --require-chap""", action='store_true')
1416    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1417    *** Mutually exclusive with --disable-chap""", action='store_true')
1418    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1419    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1420    *** Authentication group must be precreated ***""", type=int)
1421    p.set_defaults(func=iscsi_set_discovery_auth)
1422
1423    def iscsi_create_auth_group(args):
1424        secrets = None
1425        if args.secrets:
1426            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1427
1428        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1429
1430    p = subparsers.add_parser('iscsi_create_auth_group',
1431                              help='Create authentication group for CHAP authentication.')
1432    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1433    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1434<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1435Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1436    p.set_defaults(func=iscsi_create_auth_group)
1437
1438    def iscsi_delete_auth_group(args):
1439        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1440
1441    p = subparsers.add_parser('iscsi_delete_auth_group',
1442                              help='Delete an authentication group.')
1443    p.add_argument('tag', help='Authentication group tag', type=int)
1444    p.set_defaults(func=iscsi_delete_auth_group)
1445
1446    def iscsi_auth_group_add_secret(args):
1447        rpc.iscsi.iscsi_auth_group_add_secret(
1448            args.client,
1449            tag=args.tag,
1450            user=args.user,
1451            secret=args.secret,
1452            muser=args.muser,
1453            msecret=args.msecret)
1454
1455    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1456                              help='Add a secret to an authentication group.')
1457    p.add_argument('tag', help='Authentication group tag', type=int)
1458    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1459    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1460    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1461    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1462    p.set_defaults(func=iscsi_auth_group_add_secret)
1463
1464    def iscsi_auth_group_remove_secret(args):
1465        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1466
1467    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1468                              help='Remove a secret from an authentication group.')
1469    p.add_argument('tag', help='Authentication group tag', type=int)
1470    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1471    p.set_defaults(func=iscsi_auth_group_remove_secret)
1472
1473    def iscsi_get_auth_groups(args):
1474        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1475
1476    p = subparsers.add_parser('iscsi_get_auth_groups',
1477                              help='Display current authentication group configuration')
1478    p.set_defaults(func=iscsi_get_auth_groups)
1479
1480    def iscsi_get_portal_groups(args):
1481        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1482
1483    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1484    p.set_defaults(func=iscsi_get_portal_groups)
1485
1486    def iscsi_get_initiator_groups(args):
1487        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1488
1489    p = subparsers.add_parser('iscsi_get_initiator_groups',
1490                              help='Display current initiator group configuration')
1491    p.set_defaults(func=iscsi_get_initiator_groups)
1492
1493    def iscsi_get_target_nodes(args):
1494        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1495
1496    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1497    p.set_defaults(func=iscsi_get_target_nodes)
1498
1499    def iscsi_create_target_node(args):
1500        luns = []
1501        for u in args.bdev_name_id_pairs.strip().split(" "):
1502            bdev_name, lun_id = u.split(":")
1503            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1504
1505        pg_ig_maps = []
1506        for u in args.pg_ig_mappings.strip().split(" "):
1507            pg, ig = u.split(":")
1508            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1509
1510        rpc.iscsi.iscsi_create_target_node(
1511            args.client,
1512            luns=luns,
1513            pg_ig_maps=pg_ig_maps,
1514            name=args.name,
1515            alias_name=args.alias_name,
1516            queue_depth=args.queue_depth,
1517            chap_group=args.chap_group,
1518            disable_chap=args.disable_chap,
1519            require_chap=args.require_chap,
1520            mutual_chap=args.mutual_chap,
1521            header_digest=args.header_digest,
1522            data_digest=args.data_digest)
1523
1524    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1525    p.add_argument('name', help='Target node name (ASCII)')
1526    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1527    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1528    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1529    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1530    *** The bdevs must pre-exist ***
1531    *** LUN0 (id = 0) is required ***
1532    *** bdevs names cannot contain space or colon characters ***""")
1533    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1534    Whitespace separated, quoted, mapping defined with colon
1535    separated list of "tags" (int > 0)
1536    Example: '1:1 2:2 2:1'
1537    *** The Portal/Initiator Groups must be precreated ***""")
1538    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1539    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1540    *** Authentication group must be precreated ***""", type=int)
1541    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1542    *** Mutually exclusive with --require-chap ***""", action='store_true')
1543    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1544    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1545    p.add_argument(
1546        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1547    p.add_argument('-H', '--header-digest',
1548                   help='Header Digest should be required for this target node.', action='store_true')
1549    p.add_argument('-D', '--data-digest',
1550                   help='Data Digest should be required for this target node.', action='store_true')
1551    p.set_defaults(func=iscsi_create_target_node)
1552
1553    def iscsi_target_node_add_lun(args):
1554        rpc.iscsi.iscsi_target_node_add_lun(
1555            args.client,
1556            name=args.name,
1557            bdev_name=args.bdev_name,
1558            lun_id=args.lun_id)
1559
1560    p = subparsers.add_parser('iscsi_target_node_add_lun',
1561                              help='Add LUN to the target node')
1562    p.add_argument('name', help='Target node name (ASCII)')
1563    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1564    *** bdev name cannot contain space or colon characters ***""")
1565    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1566    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1567    p.set_defaults(func=iscsi_target_node_add_lun)
1568
1569    def iscsi_target_node_set_auth(args):
1570        rpc.iscsi.iscsi_target_node_set_auth(
1571            args.client,
1572            name=args.name,
1573            chap_group=args.chap_group,
1574            disable_chap=args.disable_chap,
1575            require_chap=args.require_chap,
1576            mutual_chap=args.mutual_chap)
1577
1578    p = subparsers.add_parser('iscsi_target_node_set_auth',
1579                              help='Set CHAP authentication for the target node')
1580    p.add_argument('name', help='Target node name (ASCII)')
1581    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1582    *** Authentication group must be precreated ***""", type=int)
1583    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1584    *** Mutually exclusive with --require-chap ***""", action='store_true')
1585    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1586    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1587    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1588                   action='store_true')
1589    p.set_defaults(func=iscsi_target_node_set_auth)
1590
1591    def iscsi_target_node_add_pg_ig_maps(args):
1592        pg_ig_maps = []
1593        for u in args.pg_ig_mappings.strip().split(" "):
1594            pg, ig = u.split(":")
1595            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1596        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1597            args.client,
1598            pg_ig_maps=pg_ig_maps,
1599            name=args.name)
1600
1601    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1602                              help='Add PG-IG maps to the target node')
1603    p.add_argument('name', help='Target node name (ASCII)')
1604    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1605    Whitespace separated, quoted, mapping defined with colon
1606    separated list of "tags" (int > 0)
1607    Example: '1:1 2:2 2:1'
1608    *** The Portal/Initiator Groups must be precreated ***""")
1609    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1610
1611    def iscsi_target_node_remove_pg_ig_maps(args):
1612        pg_ig_maps = []
1613        for u in args.pg_ig_mappings.strip().split(" "):
1614            pg, ig = u.split(":")
1615            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1616        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1617            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1618
1619    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1620                              help='Delete PG-IG maps from the target node')
1621    p.add_argument('name', help='Target node name (ASCII)')
1622    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1623    Whitespace separated, quoted, mapping defined with colon
1624    separated list of "tags" (int > 0)
1625    Example: '1:1 2:2 2:1'
1626    *** The Portal/Initiator Groups must be precreated ***""")
1627    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1628
1629    def iscsi_target_node_set_redirect(args):
1630        rpc.iscsi.iscsi_target_node_set_redirect(
1631            args.client,
1632            name=args.name,
1633            pg_tag=args.pg_tag,
1634            redirect_host=args.redirect_host,
1635            redirect_port=args.redirect_port)
1636
1637    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1638                              help="""Update redirect portal of the public portal group for the target node.
1639    Omit redirect host and port to clear previously set redirect settings.""")
1640    p.add_argument('name', help='Target node name (ASCII)')
1641    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1642    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1643    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1644    p.set_defaults(func=iscsi_target_node_set_redirect)
1645
1646    def iscsi_target_node_request_logout(args):
1647        rpc.iscsi.iscsi_target_node_request_logout(
1648            args.client,
1649            name=args.name,
1650            pg_tag=args.pg_tag)
1651
1652    p = subparsers.add_parser('iscsi_target_node_request_logout',
1653                              help="""For the target node, request connections whose portal group tag
1654    match to logout, or request all connections if portal group tag is omitted.""")
1655    p.add_argument('name', help='Target node name (ASCII)')
1656    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1657    p.set_defaults(func=iscsi_target_node_request_logout)
1658
1659    def iscsi_create_portal_group(args):
1660        portals = []
1661        for p in args.portal_list.strip().split(' '):
1662            ip, separator, port_cpumask = p.rpartition(':')
1663            split_port_cpumask = port_cpumask.split('@')
1664            if len(split_port_cpumask) == 1:
1665                port = port_cpumask
1666                portals.append({'host': ip, 'port': port})
1667            else:
1668                port = split_port_cpumask[0]
1669                cpumask = split_port_cpumask[1]
1670                portals.append({'host': ip, 'port': port})
1671                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1672        rpc.iscsi.iscsi_create_portal_group(
1673            args.client,
1674            portals=portals,
1675            tag=args.tag,
1676            private=args.private,
1677            wait=args.wait)
1678
1679    p = subparsers.add_parser('iscsi_create_portal_group',
1680                              help='Add a portal group')
1681    p.add_argument(
1682        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1683    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1684    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1685    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1686    Private portal groups do not have their portals returned by a discovery session. A public
1687    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1688    portal must be from a private portal group.""", action='store_true')
1689    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1690    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1691    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1692    p.set_defaults(func=iscsi_create_portal_group)
1693
1694    def iscsi_start_portal_group(args):
1695        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1696
1697    p = subparsers.add_parser('iscsi_start_portal_group',
1698                              help='Start listening on portals if it is not started yet.')
1699    p.add_argument(
1700        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1701    p.set_defaults(func=iscsi_start_portal_group)
1702
1703    def iscsi_create_initiator_group(args):
1704        initiators = []
1705        netmasks = []
1706        for i in args.initiator_list.strip().split(' '):
1707            initiators.append(i)
1708        for n in args.netmask_list.strip().split(' '):
1709            netmasks.append(n)
1710        rpc.iscsi.iscsi_create_initiator_group(
1711            args.client,
1712            tag=args.tag,
1713            initiators=initiators,
1714            netmasks=netmasks)
1715
1716    p = subparsers.add_parser('iscsi_create_initiator_group',
1717                              help='Add an initiator group')
1718    p.add_argument(
1719        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1720    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1721    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1722    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1723    Example: '255.255.0.0 255.248.0.0' etc""")
1724    p.set_defaults(func=iscsi_create_initiator_group)
1725
1726    def iscsi_initiator_group_add_initiators(args):
1727        initiators = None
1728        netmasks = None
1729        if args.initiator_list:
1730            initiators = []
1731            for i in args.initiator_list.strip().split(' '):
1732                initiators.append(i)
1733        if args.netmask_list:
1734            netmasks = []
1735            for n in args.netmask_list.strip().split(' '):
1736                netmasks.append(n)
1737        rpc.iscsi.iscsi_initiator_group_add_initiators(
1738            args.client,
1739            tag=args.tag,
1740            initiators=initiators,
1741            netmasks=netmasks)
1742
1743    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1744                              help='Add initiators to an existing initiator group')
1745    p.add_argument(
1746        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1747    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1748    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1749    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1750    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1751    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1752    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1753
1754    def iscsi_initiator_group_remove_initiators(args):
1755        initiators = None
1756        netmasks = None
1757        if args.initiator_list:
1758            initiators = []
1759            for i in args.initiator_list.strip().split(' '):
1760                initiators.append(i)
1761        if args.netmask_list:
1762            netmasks = []
1763            for n in args.netmask_list.strip().split(' '):
1764                netmasks.append(n)
1765        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1766            args.client,
1767            tag=args.tag,
1768            initiators=initiators,
1769            netmasks=netmasks)
1770
1771    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1772                              help='Delete initiators from an existing initiator group')
1773    p.add_argument(
1774        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1775    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1776    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1777    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1778    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1779    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1780    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1781
1782    def iscsi_delete_target_node(args):
1783        rpc.iscsi.iscsi_delete_target_node(
1784            args.client, target_node_name=args.target_node_name)
1785
1786    p = subparsers.add_parser('iscsi_delete_target_node',
1787                              help='Delete a target node')
1788    p.add_argument('target_node_name',
1789                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1790    p.set_defaults(func=iscsi_delete_target_node)
1791
1792    def iscsi_delete_portal_group(args):
1793        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1794
1795    p = subparsers.add_parser('iscsi_delete_portal_group',
1796                              help='Delete a portal group')
1797    p.add_argument(
1798        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1799    p.set_defaults(func=iscsi_delete_portal_group)
1800
1801    def iscsi_delete_initiator_group(args):
1802        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1803
1804    p = subparsers.add_parser('iscsi_delete_initiator_group',
1805                              help='Delete an initiator group')
1806    p.add_argument(
1807        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1808    p.set_defaults(func=iscsi_delete_initiator_group)
1809
1810    def iscsi_portal_group_set_auth(args):
1811        rpc.iscsi.iscsi_portal_group_set_auth(
1812            args.client,
1813            tag=args.tag,
1814            chap_group=args.chap_group,
1815            disable_chap=args.disable_chap,
1816            require_chap=args.require_chap,
1817            mutual_chap=args.mutual_chap)
1818
1819    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1820                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1821    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1822    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1823    *** Authentication group must be precreated ***""", type=int)
1824    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1825    *** Mutually exclusive with --require-chap ***""", action='store_true')
1826    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1827    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1828    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1829                   action='store_true')
1830    p.set_defaults(func=iscsi_portal_group_set_auth)
1831
1832    def iscsi_get_connections(args):
1833        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1834
1835    p = subparsers.add_parser('iscsi_get_connections',
1836                              help='Display iSCSI connections')
1837    p.set_defaults(func=iscsi_get_connections)
1838
1839    def iscsi_get_stats(args):
1840        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1841
1842    p = subparsers.add_parser('iscsi_get_stats',
1843                              help='Display stat information of iSCSI connections.')
1844    p.set_defaults(func=iscsi_get_stats)
1845
1846    def iscsi_get_options(args):
1847        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1848
1849    p = subparsers.add_parser('iscsi_get_options',
1850                              help='Display iSCSI global parameters')
1851    p.set_defaults(func=iscsi_get_options)
1852
1853    def scsi_get_devices(args):
1854        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1855
1856    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1857    p.set_defaults(func=scsi_get_devices)
1858
1859    # trace
1860    def trace_enable_tpoint_group(args):
1861        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1862
1863    p = subparsers.add_parser('trace_enable_tpoint_group',
1864                              help='enable trace on a specific tpoint group')
1865    p.add_argument(
1866        'name', help="""trace group name we want to enable in tpoint_group_mask.
1867        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1868    p.set_defaults(func=trace_enable_tpoint_group)
1869
1870    def trace_disable_tpoint_group(args):
1871        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1872
1873    p = subparsers.add_parser('trace_disable_tpoint_group',
1874                              help='disable trace on a specific tpoint group')
1875    p.add_argument(
1876        'name', help="""trace group name we want to disable in tpoint_group_mask.
1877        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1878    p.set_defaults(func=trace_disable_tpoint_group)
1879
1880    def trace_set_tpoint_mask(args):
1881        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1882
1883    p = subparsers.add_parser('trace_set_tpoint_mask',
1884                              help='enable tracepoint mask on a specific tpoint group')
1885    p.add_argument(
1886        'name', help="""trace group name we want to enable in tpoint_group_mask.
1887        (for example "bdev" for bdev trace group)""")
1888    p.add_argument(
1889        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1890        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1891        type=lambda m: int(m, 16))
1892    p.set_defaults(func=trace_set_tpoint_mask)
1893
1894    def trace_clear_tpoint_mask(args):
1895        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1896
1897    p = subparsers.add_parser('trace_clear_tpoint_mask',
1898                              help='disable tracepoint mask on a specific tpoint group')
1899    p.add_argument(
1900        'name', help="""trace group name we want to disable in tpoint_group_mask.
1901        (for example "bdev" for bdev trace group)""")
1902    p.add_argument(
1903        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1904        (for example value of "0x3" will disable the first two tpoints in this group)""",
1905        type=lambda m: int(m, 16))
1906    p.set_defaults(func=trace_clear_tpoint_mask)
1907
1908    def trace_get_tpoint_group_mask(args):
1909        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1910
1911    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1912    p.set_defaults(func=trace_get_tpoint_group_mask)
1913
1914    def trace_get_info(args):
1915        print_dict(rpc.trace.trace_get_info(args.client))
1916
1917    p = subparsers.add_parser('trace_get_info',
1918                              help='get name of shared memory file and list of the available trace point groups')
1919    p.set_defaults(func=trace_get_info)
1920
1921    # log
1922    def log_set_flag(args):
1923        rpc.log.log_set_flag(args.client, flag=args.flag)
1924
1925    p = subparsers.add_parser('log_set_flag', help='set log flag')
1926    p.add_argument(
1927        'flag', help='log flag we want to set. (for example "nvme").')
1928    p.set_defaults(func=log_set_flag)
1929
1930    def log_clear_flag(args):
1931        rpc.log.log_clear_flag(args.client, flag=args.flag)
1932
1933    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1934    p.add_argument(
1935        'flag', help='log flag we want to clear. (for example "nvme").')
1936    p.set_defaults(func=log_clear_flag)
1937
1938    def log_get_flags(args):
1939        print_dict(rpc.log.log_get_flags(args.client))
1940
1941    p = subparsers.add_parser('log_get_flags', help='get log flags')
1942    p.set_defaults(func=log_get_flags)
1943
1944    def log_set_level(args):
1945        rpc.log.log_set_level(args.client, level=args.level)
1946
1947    p = subparsers.add_parser('log_set_level', help='set log level')
1948    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1949    p.set_defaults(func=log_set_level)
1950
1951    def log_get_level(args):
1952        print_dict(rpc.log.log_get_level(args.client))
1953
1954    p = subparsers.add_parser('log_get_level', help='get log level')
1955    p.set_defaults(func=log_get_level)
1956
1957    def log_set_print_level(args):
1958        rpc.log.log_set_print_level(args.client, level=args.level)
1959
1960    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1961    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1962    p.set_defaults(func=log_set_print_level)
1963
1964    def log_get_print_level(args):
1965        print_dict(rpc.log.log_get_print_level(args.client))
1966
1967    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1968    p.set_defaults(func=log_get_print_level)
1969
1970    # lvol
1971    def bdev_lvol_create_lvstore(args):
1972        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1973                                                     bdev_name=args.bdev_name,
1974                                                     lvs_name=args.lvs_name,
1975                                                     cluster_sz=args.cluster_sz,
1976                                                     clear_method=args.clear_method,
1977                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
1978
1979    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
1980    p.add_argument('bdev_name', help='base bdev name')
1981    p.add_argument('lvs_name', help='name for lvol store')
1982    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
1983    p.add_argument('--clear-method', help="""Change clear method for data region.
1984        Available: none, unmap, write_zeroes""")
1985    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
1986    p.set_defaults(func=bdev_lvol_create_lvstore)
1987
1988    def bdev_lvol_rename_lvstore(args):
1989        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1990                                          old_name=args.old_name,
1991                                          new_name=args.new_name)
1992
1993    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
1994    p.add_argument('old_name', help='old name')
1995    p.add_argument('new_name', help='new name')
1996    p.set_defaults(func=bdev_lvol_rename_lvstore)
1997
1998    def bdev_lvol_grow_lvstore(args):
1999        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2000                                                   uuid=args.uuid,
2001                                                   lvs_name=args.lvs_name))
2002
2003    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2004                              help='Grow the lvstore size to the underlying bdev size')
2005    p.add_argument('-u', '--uuid', help='lvol store UUID')
2006    p.add_argument('-l', '--lvs-name', help='lvol store name')
2007    p.set_defaults(func=bdev_lvol_grow_lvstore)
2008
2009    def bdev_lvol_create(args):
2010        print_json(rpc.lvol.bdev_lvol_create(args.client,
2011                                             lvol_name=args.lvol_name,
2012                                             size_in_mib=args.size_in_mib,
2013                                             thin_provision=args.thin_provision,
2014                                             clear_method=args.clear_method,
2015                                             uuid=args.uuid,
2016                                             lvs_name=args.lvs_name))
2017
2018    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2019    p.add_argument('-u', '--uuid', help='lvol store UUID')
2020    p.add_argument('-l', '--lvs-name', help='lvol store name')
2021    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2022    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2023        Available: none, unmap, write_zeroes""")
2024    p.add_argument('lvol_name', help='name for this lvol')
2025    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2026    p.set_defaults(func=bdev_lvol_create)
2027
2028    def bdev_lvol_snapshot(args):
2029        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2030                                               lvol_name=args.lvol_name,
2031                                               snapshot_name=args.snapshot_name))
2032
2033    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2034    p.add_argument('lvol_name', help='lvol bdev name')
2035    p.add_argument('snapshot_name', help='lvol snapshot name')
2036    p.set_defaults(func=bdev_lvol_snapshot)
2037
2038    def bdev_lvol_clone(args):
2039        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2040                                            snapshot_name=args.snapshot_name,
2041                                            clone_name=args.clone_name))
2042
2043    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2044    p.add_argument('snapshot_name', help='lvol snapshot name')
2045    p.add_argument('clone_name', help='lvol clone name')
2046    p.set_defaults(func=bdev_lvol_clone)
2047
2048    def bdev_lvol_clone_bdev(args):
2049        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2050                                                 bdev=args.bdev,
2051                                                 lvs_name=args.lvs_name,
2052                                                 clone_name=args.clone_name))
2053
2054    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2055                              help='Create a clone of a non-lvol bdev')
2056    p.add_argument('bdev', help='bdev to clone')
2057    p.add_argument('lvs_name', help='logical volume store name')
2058    p.add_argument('clone_name', help='lvol clone name')
2059    p.set_defaults(func=bdev_lvol_clone_bdev)
2060
2061    def bdev_lvol_rename(args):
2062        rpc.lvol.bdev_lvol_rename(args.client,
2063                                  old_name=args.old_name,
2064                                  new_name=args.new_name)
2065
2066    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2067    p.add_argument('old_name', help='lvol bdev name')
2068    p.add_argument('new_name', help='new lvol name')
2069    p.set_defaults(func=bdev_lvol_rename)
2070
2071    def bdev_lvol_inflate(args):
2072        rpc.lvol.bdev_lvol_inflate(args.client,
2073                                   name=args.name)
2074
2075    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2076    p.add_argument('name', help='lvol bdev name')
2077    p.set_defaults(func=bdev_lvol_inflate)
2078
2079    def bdev_lvol_decouple_parent(args):
2080        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2081                                           name=args.name)
2082
2083    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2084    p.add_argument('name', help='lvol bdev name')
2085    p.set_defaults(func=bdev_lvol_decouple_parent)
2086
2087    def bdev_lvol_resize(args):
2088        rpc.lvol.bdev_lvol_resize(args.client,
2089                                  name=args.name,
2090                                  size_in_mib=args.size_in_mib)
2091
2092    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2093    p.add_argument('name', help='lvol bdev name')
2094    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2095    p.set_defaults(func=bdev_lvol_resize)
2096
2097    def bdev_lvol_set_read_only(args):
2098        rpc.lvol.bdev_lvol_set_read_only(args.client,
2099                                         name=args.name)
2100
2101    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2102    p.add_argument('name', help='lvol bdev name')
2103    p.set_defaults(func=bdev_lvol_set_read_only)
2104
2105    def bdev_lvol_delete(args):
2106        rpc.lvol.bdev_lvol_delete(args.client,
2107                                  name=args.name)
2108
2109    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2110    p.add_argument('name', help='lvol bdev name')
2111    p.set_defaults(func=bdev_lvol_delete)
2112
2113    def bdev_lvol_delete_lvstore(args):
2114        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2115                                          uuid=args.uuid,
2116                                          lvs_name=args.lvs_name)
2117
2118    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2119    p.add_argument('-u', '--uuid', help='lvol store UUID')
2120    p.add_argument('-l', '--lvs-name', help='lvol store name')
2121    p.set_defaults(func=bdev_lvol_delete_lvstore)
2122
2123    def bdev_lvol_get_lvstores(args):
2124        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2125                                                   uuid=args.uuid,
2126                                                   lvs_name=args.lvs_name))
2127
2128    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2129    p.add_argument('-u', '--uuid', help='lvol store UUID')
2130    p.add_argument('-l', '--lvs-name', help='lvol store name')
2131    p.set_defaults(func=bdev_lvol_get_lvstores)
2132
2133    def bdev_lvol_get_lvols(args):
2134        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2135                                                lvs_uuid=args.lvs_uuid,
2136                                                lvs_name=args.lvs_name))
2137
2138    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2139    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2140    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2141    p.set_defaults(func=bdev_lvol_get_lvols)
2142
2143    def bdev_raid_set_options(args):
2144        rpc.bdev.bdev_raid_set_options(args.client,
2145                                       process_window_size_kb=args.process_window_size_kb)
2146
2147    p = subparsers.add_parser('bdev_raid_set_options',
2148                              help='Set options for bdev raid.')
2149    p.add_argument('-w', '--process-window-size-kb', type=int,
2150                   help="Background process (e.g. rebuild) window size in KiB")
2151
2152    p.set_defaults(func=bdev_raid_set_options)
2153
2154    def bdev_raid_get_bdevs(args):
2155        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2156                                                category=args.category))
2157
2158    p = subparsers.add_parser('bdev_raid_get_bdevs',
2159                              help="""This is used to list all the raid bdev details based on the input category
2160    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2161    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2162    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2163    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2164    p.add_argument('category', help='all or online or configuring or offline')
2165    p.set_defaults(func=bdev_raid_get_bdevs)
2166
2167    def bdev_raid_create(args):
2168        base_bdevs = []
2169        for u in args.base_bdevs.strip().split():
2170            base_bdevs.append(u)
2171
2172        rpc.bdev.bdev_raid_create(args.client,
2173                                  name=args.name,
2174                                  strip_size_kb=args.strip_size_kb,
2175                                  raid_level=args.raid_level,
2176                                  base_bdevs=base_bdevs,
2177                                  uuid=args.uuid,
2178                                  superblock=args.superblock)
2179    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2180    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2181    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2182    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2183    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2184    p.add_argument('--uuid', help='UUID for this raid bdev')
2185    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2186                                              'disabled by default due to backward compatibility', action='store_true')
2187    p.set_defaults(func=bdev_raid_create)
2188
2189    def bdev_raid_delete(args):
2190        rpc.bdev.bdev_raid_delete(args.client,
2191                                  name=args.name)
2192    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2193    p.add_argument('name', help='raid bdev name')
2194    p.set_defaults(func=bdev_raid_delete)
2195
2196    def bdev_raid_add_base_bdev(args):
2197        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2198                                         raid_bdev=args.raid_bdev,
2199                                         base_bdev=args.base_bdev)
2200    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2201    p.add_argument('raid_bdev', help='raid bdev name')
2202    p.add_argument('base_bdev', help='base bdev name')
2203    p.set_defaults(func=bdev_raid_add_base_bdev)
2204
2205    def bdev_raid_remove_base_bdev(args):
2206        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2207                                            name=args.name)
2208    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2209    p.add_argument('name', help='base bdev name')
2210    p.set_defaults(func=bdev_raid_remove_base_bdev)
2211
2212    # split
2213    def bdev_split_create(args):
2214        print_array(rpc.bdev.bdev_split_create(args.client,
2215                                               base_bdev=args.base_bdev,
2216                                               split_count=args.split_count,
2217                                               split_size_mb=args.split_size_mb))
2218
2219    p = subparsers.add_parser('bdev_split_create',
2220                              help="""Add given disk name to split config. If bdev with base_name
2221    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2222    available (during examination process).""")
2223    p.add_argument('base_bdev', help='base bdev name')
2224    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2225    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2226    exceed the base bdev size.""", type=int)
2227    p.set_defaults(func=bdev_split_create)
2228
2229    def bdev_split_delete(args):
2230        rpc.bdev.bdev_split_delete(args.client,
2231                                   base_bdev=args.base_bdev)
2232
2233    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2234    p.add_argument('base_bdev', help='base bdev name')
2235    p.set_defaults(func=bdev_split_delete)
2236
2237    # ftl
2238    def bdev_ftl_create(args):
2239        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2240                                            name=args.name,
2241                                            base_bdev=args.base_bdev,
2242                                            uuid=args.uuid,
2243                                            cache=args.cache,
2244                                            overprovisioning=args.overprovisioning,
2245                                            l2p_dram_limit=args.l2p_dram_limit,
2246                                            core_mask=args.core_mask,
2247                                            fast_shutdown=args.fast_shutdown))
2248
2249    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2250    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2251    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2252                   required=True)
2253    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2254                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2255    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2256                   required=True)
2257    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2258                   ' to user (optional); default 20', type=int)
2259    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2260                   type=int)
2261    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2262                   'by default core thread will be set to the main application core (optional)')
2263    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2264    p.set_defaults(func=bdev_ftl_create)
2265
2266    def bdev_ftl_load(args):
2267        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2268                                          name=args.name,
2269                                          base_bdev=args.base_bdev,
2270                                          uuid=args.uuid,
2271                                          cache=args.cache,
2272                                          overprovisioning=args.overprovisioning,
2273                                          l2p_dram_limit=args.l2p_dram_limit,
2274                                          core_mask=args.core_mask,
2275                                          fast_shutdown=args.fast_shutdown))
2276
2277    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2278    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2279    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2280                   required=True)
2281    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2282    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2283                   required=True)
2284    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2285                   ' to user (optional); default 20', type=int)
2286    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2287                   type=int)
2288    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2289                   'by default core thread will be set to the main application core (optional)')
2290    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2291    p.set_defaults(func=bdev_ftl_load)
2292
2293    def bdev_ftl_unload(args):
2294        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2295
2296    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2297    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2298    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2299    p.set_defaults(func=bdev_ftl_unload)
2300
2301    def bdev_ftl_delete(args):
2302        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2303
2304    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2305    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2306    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2307    p.set_defaults(func=bdev_ftl_delete)
2308
2309    def bdev_ftl_unmap(args):
2310        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2311                                           lba=args.lba,
2312                                           num_blocks=args.num_blocks))
2313
2314    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2315    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2316    p.add_argument('--lba', help='start LBA', required=True, type=int)
2317    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2318    p.set_defaults(func=bdev_ftl_unmap)
2319
2320    def bdev_ftl_get_stats(args):
2321        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2322
2323    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2324    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2325    p.set_defaults(func=bdev_ftl_get_stats)
2326
2327    def bdev_ftl_get_properties(args):
2328        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2329
2330    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2331    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2332    p.set_defaults(func=bdev_ftl_get_properties)
2333
2334    def bdev_ftl_set_property(args):
2335        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2336                   ftl_property=args.property,
2337                   value=args.value))
2338
2339    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2340    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2341    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2342    p.add_argument('-v', '--value', help="Value of the property", required=True)
2343    p.set_defaults(func=bdev_ftl_set_property)
2344
2345    # vmd
2346    def vmd_enable(args):
2347        print_dict(rpc.vmd.vmd_enable(args.client))
2348
2349    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2350    p.set_defaults(func=vmd_enable)
2351
2352    def vmd_remove_device(args):
2353        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2354
2355    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2356    p.add_argument('addr', help='Address of the device to remove', type=str)
2357    p.set_defaults(func=vmd_remove_device)
2358
2359    def vmd_rescan(args):
2360        print_dict(rpc.vmd.vmd_rescan(args.client))
2361
2362    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2363    p.set_defaults(func=vmd_rescan)
2364
2365    # ublk
2366    def ublk_create_target(args):
2367        rpc.ublk.ublk_create_target(args.client,
2368                                    cpumask=args.cpumask)
2369    p = subparsers.add_parser('ublk_create_target',
2370                              help='Create spdk ublk target for ublk dev')
2371    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2372    p.set_defaults(func=ublk_create_target)
2373
2374    def ublk_destroy_target(args):
2375        rpc.ublk.ublk_destroy_target(args.client)
2376    p = subparsers.add_parser('ublk_destroy_target',
2377                              help='Destroy spdk ublk target for ublk dev')
2378    p.set_defaults(func=ublk_destroy_target)
2379
2380    def ublk_start_disk(args):
2381        print(rpc.ublk.ublk_start_disk(args.client,
2382                                       bdev_name=args.bdev_name,
2383                                       ublk_id=args.ublk_id,
2384                                       num_queues=args.num_queues,
2385                                       queue_depth=args.queue_depth))
2386
2387    p = subparsers.add_parser('ublk_start_disk',
2388                              help='Export a bdev as a ublk device')
2389    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2390    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2391    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2392    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2393    p.set_defaults(func=ublk_start_disk)
2394
2395    def ublk_stop_disk(args):
2396        rpc.ublk.ublk_stop_disk(args.client,
2397                                ublk_id=args.ublk_id)
2398
2399    p = subparsers.add_parser('ublk_stop_disk',
2400                              help='Stop a ublk device')
2401    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2402    p.set_defaults(func=ublk_stop_disk)
2403
2404    def ublk_recover_disk(args):
2405        print(rpc.ublk.ublk_recover_disk(args.client,
2406                                         bdev_name=args.bdev_name,
2407                                         ublk_id=args.ublk_id))
2408
2409    p = subparsers.add_parser('ublk_recover_disk',
2410                              help='Recover ublk device')
2411    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2412    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2413    p.set_defaults(func=ublk_recover_disk)
2414
2415    def ublk_get_disks(args):
2416        print_dict(rpc.ublk.ublk_get_disks(args.client,
2417                                           ublk_id=args.ublk_id))
2418
2419    p = subparsers.add_parser('ublk_get_disks',
2420                              help='Display full or specified ublk device list')
2421    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2422    p.set_defaults(func=ublk_get_disks)
2423
2424    # nbd
2425    def nbd_start_disk(args):
2426        print(rpc.nbd.nbd_start_disk(args.client,
2427                                     bdev_name=args.bdev_name,
2428                                     nbd_device=args.nbd_device))
2429
2430    p = subparsers.add_parser('nbd_start_disk',
2431                              help='Export a bdev as an nbd disk')
2432    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2433    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2434    p.set_defaults(func=nbd_start_disk)
2435
2436    def nbd_stop_disk(args):
2437        rpc.nbd.nbd_stop_disk(args.client,
2438                              nbd_device=args.nbd_device)
2439
2440    p = subparsers.add_parser('nbd_stop_disk',
2441                              help='Stop an nbd disk')
2442    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2443    p.set_defaults(func=nbd_stop_disk)
2444
2445    def nbd_get_disks(args):
2446        print_dict(rpc.nbd.nbd_get_disks(args.client,
2447                                         nbd_device=args.nbd_device))
2448
2449    p = subparsers.add_parser('nbd_get_disks',
2450                              help='Display full or specified nbd device list')
2451    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2452    p.set_defaults(func=nbd_get_disks)
2453
2454    # NVMe-oF
2455    def nvmf_set_max_subsystems(args):
2456        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2457                                         max_subsystems=args.max_subsystems)
2458
2459    p = subparsers.add_parser('nvmf_set_max_subsystems',
2460                              help='Set the maximum number of NVMf target subsystems')
2461    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2462    p.set_defaults(func=nvmf_set_max_subsystems)
2463
2464    def nvmf_set_config(args):
2465        rpc.nvmf.nvmf_set_config(args.client,
2466                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2467                                 poll_groups_mask=args.poll_groups_mask,
2468                                 discovery_filter=args.discovery_filter)
2469
2470    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2471    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2472    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2473    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2474    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2475         comma separated values: `transport`, `address`, `svcid`""", type=str)
2476    p.set_defaults(func=nvmf_set_config)
2477
2478    def nvmf_create_transport(args):
2479        rpc.nvmf.nvmf_create_transport(**vars(args))
2480
2481    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2482    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2483    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2484    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2485    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2486    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2487    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2488    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2489    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2490    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2491    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2492    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2493    underlying bdev supports them''')
2494    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2495    Relevant only for RDMA transport""", type=int)
2496    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2497    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2498    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2499    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2500    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2501    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2502    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2503    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2504    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2505    Relevant only for TCP transport""", type=int)
2506    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2507    Relevant only for VFIO-USER transport""")
2508    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2509    Relevant only for VFIO-USER transport""")
2510    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2511    Relevant only for VFIO-USER transport""")
2512    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2513    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2514    p.set_defaults(func=nvmf_create_transport)
2515
2516    def nvmf_get_transports(args):
2517        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2518
2519    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2520    p.add_argument('--trtype', help='Transport type (optional)')
2521    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2522    p.set_defaults(func=nvmf_get_transports)
2523
2524    def nvmf_get_subsystems(args):
2525        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2526
2527    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2528    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2529    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2530    p.set_defaults(func=nvmf_get_subsystems)
2531
2532    def nvmf_create_subsystem(args):
2533        rpc.nvmf.nvmf_create_subsystem(args.client,
2534                                       nqn=args.nqn,
2535                                       tgt_name=args.tgt_name,
2536                                       serial_number=args.serial_number,
2537                                       model_number=args.model_number,
2538                                       allow_any_host=args.allow_any_host,
2539                                       max_namespaces=args.max_namespaces,
2540                                       ana_reporting=args.ana_reporting,
2541                                       min_cntlid=args.min_cntlid,
2542                                       max_cntlid=args.max_cntlid,
2543                                       max_discard_size_kib=args.max_discard_size,
2544                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2545
2546    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2547    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2548    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2549    p.add_argument("-s", "--serial-number", help="""
2550    Format:  'sn' etc
2551    Example: 'SPDK00000000000001'""")
2552    p.add_argument("-d", "--model-number", help="""
2553    Format:  'mn' etc
2554    Example: 'SPDK Controller'""")
2555    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2556    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2557                   type=int)
2558    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2559    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2560    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2561    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2562    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2563    p.set_defaults(func=nvmf_create_subsystem)
2564
2565    def nvmf_delete_subsystem(args):
2566        rpc.nvmf.nvmf_delete_subsystem(args.client,
2567                                       nqn=args.subsystem_nqn,
2568                                       tgt_name=args.tgt_name)
2569
2570    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2571    p.add_argument('subsystem_nqn',
2572                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2573    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2574    p.set_defaults(func=nvmf_delete_subsystem)
2575
2576    def nvmf_subsystem_add_listener(args):
2577        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2578
2579    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2580    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2581    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2582    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2583    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2584    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2585    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2586    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2587    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2588    p.set_defaults(func=nvmf_subsystem_add_listener)
2589
2590    def nvmf_subsystem_remove_listener(args):
2591        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2592                                                nqn=args.nqn,
2593                                                trtype=args.trtype,
2594                                                traddr=args.traddr,
2595                                                tgt_name=args.tgt_name,
2596                                                adrfam=args.adrfam,
2597                                                trsvcid=args.trsvcid)
2598
2599    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2600    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2601    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2602    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2603    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2604    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2605    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2606    p.set_defaults(func=nvmf_subsystem_remove_listener)
2607
2608    def nvmf_subsystem_listener_set_ana_state(args):
2609        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2610                                                       nqn=args.nqn,
2611                                                       ana_state=args.ana_state,
2612                                                       trtype=args.trtype,
2613                                                       traddr=args.traddr,
2614                                                       tgt_name=args.tgt_name,
2615                                                       adrfam=args.adrfam,
2616                                                       trsvcid=args.trsvcid,
2617                                                       anagrpid=args.anagrpid)
2618
2619    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2620    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2621    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2622    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2623    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2624    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2625    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2626    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2627    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2628    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2629
2630    def nvmf_discovery_add_referral(args):
2631        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2632
2633    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2634    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2635    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2636    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2637    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2638    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2639    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2640                   action="store_true")
2641    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2642    p.set_defaults(func=nvmf_discovery_add_referral)
2643
2644    def nvmf_discovery_remove_referral(args):
2645        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2646                                                trtype=args.trtype,
2647                                                traddr=args.traddr,
2648                                                tgt_name=args.tgt_name,
2649                                                adrfam=args.adrfam,
2650                                                trsvcid=args.trsvcid,
2651                                                subnqn=args.subnqn)
2652
2653    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2654    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2655    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2656    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2657    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2658    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2659    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2660    p.set_defaults(func=nvmf_discovery_remove_referral)
2661
2662    def nvmf_discovery_get_referrals(args):
2663        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2664                                                         tgt_name=args.tgt_name))
2665
2666    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2667                              help='Display discovery subsystem referrals of an NVMe-oF target')
2668    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2669    p.set_defaults(func=nvmf_discovery_get_referrals)
2670
2671    def nvmf_subsystem_add_ns(args):
2672        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2673
2674    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2675    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2676    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2677    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2678    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2679    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2680    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2681    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2682    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2683    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2684    p.add_argument('-i', '--no-auto-visible', action='store_true',
2685                   help='Do not auto make namespace visible to controllers (optional)')
2686    p.set_defaults(func=nvmf_subsystem_add_ns)
2687
2688    def nvmf_subsystem_remove_ns(args):
2689        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2690                                          nqn=args.nqn,
2691                                          nsid=args.nsid,
2692                                          tgt_name=args.tgt_name)
2693
2694    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2695    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2696    p.add_argument('nsid', help='The requested NSID', type=int)
2697    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2698    p.set_defaults(func=nvmf_subsystem_remove_ns)
2699
2700    def nvmf_ns_add_host(args):
2701        rpc.nvmf.nvmf_ns_visible(True,
2702                                 args.client,
2703                                 nqn=args.nqn,
2704                                 nsid=args.nsid,
2705                                 host=args.host,
2706                                 tgt_name=args.tgt_name)
2707
2708    def nvmf_ns_visible_add_args(p):
2709        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2710        p.add_argument('nsid', help='The requested NSID', type=int)
2711        p.add_argument('host', help='Host NQN to make namespace visible to')
2712        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2713
2714    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2715    nvmf_ns_visible_add_args(p)
2716    p.set_defaults(func=nvmf_ns_add_host)
2717
2718    def nvmf_ns_remove_host(args):
2719        rpc.nvmf.nvmf_ns_visible(False,
2720                                 args.client,
2721                                 nqn=args.nqn,
2722                                 nsid=args.nsid,
2723                                 host=args.host,
2724                                 tgt_name=args.tgt_name)
2725
2726    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2727    nvmf_ns_visible_add_args(p)
2728    p.set_defaults(func=nvmf_ns_remove_host)
2729
2730    def nvmf_subsystem_add_host(args):
2731        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2732                                         nqn=args.nqn,
2733                                         host=args.host,
2734                                         tgt_name=args.tgt_name,
2735                                         psk=args.psk)
2736
2737    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2738    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2739    p.add_argument('host', help='Host NQN to allow')
2740    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2741    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2742    p.set_defaults(func=nvmf_subsystem_add_host)
2743
2744    def nvmf_subsystem_remove_host(args):
2745        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2746                                            nqn=args.nqn,
2747                                            host=args.host,
2748                                            tgt_name=args.tgt_name)
2749
2750    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2751    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2752    p.add_argument('host', help='Host NQN to remove')
2753    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2754    p.set_defaults(func=nvmf_subsystem_remove_host)
2755
2756    def nvmf_subsystem_allow_any_host(args):
2757        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2758                                               nqn=args.nqn,
2759                                               disable=args.disable,
2760                                               tgt_name=args.tgt_name)
2761
2762    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2763    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2764    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2765    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2766    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2767    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2768
2769    def nvmf_subsystem_get_controllers(args):
2770        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2771                                                           nqn=args.nqn,
2772                                                           tgt_name=args.tgt_name))
2773
2774    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2775                              help='Display controllers of an NVMe-oF subsystem.')
2776    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2777    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2778    p.set_defaults(func=nvmf_subsystem_get_controllers)
2779
2780    def nvmf_subsystem_get_qpairs(args):
2781        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2782                                                      nqn=args.nqn,
2783                                                      tgt_name=args.tgt_name))
2784
2785    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2786                              help='Display queue pairs of an NVMe-oF subsystem.')
2787    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2788    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2789    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2790
2791    def nvmf_subsystem_get_listeners(args):
2792        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2793                                                         nqn=args.nqn,
2794                                                         tgt_name=args.tgt_name))
2795
2796    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2797                              help='Display listeners of an NVMe-oF subsystem.')
2798    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2799    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2800    p.set_defaults(func=nvmf_subsystem_get_listeners)
2801
2802    def nvmf_get_stats(args):
2803        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2804
2805    p = subparsers.add_parser(
2806        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2807    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2808    p.set_defaults(func=nvmf_get_stats)
2809
2810    def nvmf_set_crdt(args):
2811        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2812
2813    p = subparsers.add_parser(
2814        'nvmf_set_crdt',
2815        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2816        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2817    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2818    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2819    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2820    p.set_defaults(func=nvmf_set_crdt)
2821
2822    # subsystem
2823    def framework_get_subsystems(args):
2824        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2825
2826    p = subparsers.add_parser('framework_get_subsystems',
2827                              help="""Print subsystems array in initialization order. Each subsystem
2828    entry contain (unsorted) array of subsystems it depends on.""")
2829    p.set_defaults(func=framework_get_subsystems)
2830
2831    def framework_get_config(args):
2832        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2833
2834    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2835    p.add_argument('name', help='Name of subsystem to query')
2836    p.set_defaults(func=framework_get_config)
2837
2838    # vhost
2839    def vhost_controller_set_coalescing(args):
2840        rpc.vhost.vhost_controller_set_coalescing(args.client,
2841                                                  ctrlr=args.ctrlr,
2842                                                  delay_base_us=args.delay_base_us,
2843                                                  iops_threshold=args.iops_threshold)
2844
2845    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2846    p.add_argument('ctrlr', help='controller name')
2847    p.add_argument('delay_base_us', help='Base delay time', type=int)
2848    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2849    p.set_defaults(func=vhost_controller_set_coalescing)
2850
2851    def virtio_blk_create_transport(args):
2852        rpc.vhost.virtio_blk_create_transport(**vars(args))
2853
2854    p = subparsers.add_parser('virtio_blk_create_transport',
2855                              help='Create virtio blk transport')
2856    p.add_argument('name', help='transport name')
2857    p.set_defaults(func=virtio_blk_create_transport)
2858
2859    def virtio_blk_get_transports(args):
2860        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2861
2862    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2863    p.add_argument('--name', help='Transport name (optional)', type=str)
2864    p.set_defaults(func=virtio_blk_get_transports)
2865
2866    def vhost_create_scsi_controller(args):
2867        rpc.vhost.vhost_create_scsi_controller(args.client,
2868                                               ctrlr=args.ctrlr,
2869                                               cpumask=args.cpumask,
2870                                               delay=args.delay)
2871
2872    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2873    p.add_argument('ctrlr', help='controller name')
2874    p.add_argument('--cpumask', help='cpu mask for this controller')
2875    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2876    p.set_defaults(func=vhost_create_scsi_controller)
2877
2878    def vhost_start_scsi_controller(args):
2879        rpc.vhost.vhost_start_scsi_controller(args.client,
2880                                              ctrlr=args.ctrlr)
2881
2882    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2883    p.add_argument('ctrlr', help='controller name')
2884    p.set_defaults(func=vhost_start_scsi_controller)
2885
2886    def vhost_scsi_controller_add_target(args):
2887        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2888                                                              ctrlr=args.ctrlr,
2889                                                              scsi_target_num=args.scsi_target_num,
2890                                                              bdev_name=args.bdev_name))
2891
2892    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2893    p.add_argument('ctrlr', help='controller name where add lun')
2894    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2895    p.add_argument('bdev_name', help='bdev name')
2896    p.set_defaults(func=vhost_scsi_controller_add_target)
2897
2898    def vhost_scsi_controller_remove_target(args):
2899        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2900                                                      ctrlr=args.ctrlr,
2901                                                      scsi_target_num=args.scsi_target_num)
2902
2903    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2904                              help='Remove target from vhost controller')
2905    p.add_argument('ctrlr', help='controller name to remove target from')
2906    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2907    p.set_defaults(func=vhost_scsi_controller_remove_target)
2908
2909    def vhost_create_blk_controller(args):
2910        rpc.vhost.vhost_create_blk_controller(**vars(args))
2911
2912    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2913    p.add_argument('ctrlr', help='controller name')
2914    p.add_argument('dev_name', help='device name')
2915    p.add_argument('--cpumask', help='cpu mask for this controller')
2916    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2917    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2918    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2919    p.set_defaults(func=vhost_create_blk_controller)
2920
2921    def vhost_get_controllers(args):
2922        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2923
2924    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2925    p.add_argument('-n', '--name', help="Name of vhost controller")
2926    p.set_defaults(func=vhost_get_controllers)
2927
2928    def vhost_delete_controller(args):
2929        rpc.vhost.vhost_delete_controller(args.client,
2930                                          ctrlr=args.ctrlr)
2931
2932    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2933    p.add_argument('ctrlr', help='controller name')
2934    p.set_defaults(func=vhost_delete_controller)
2935
2936    def bdev_virtio_attach_controller(args):
2937        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2938                                                            name=args.name,
2939                                                            trtype=args.trtype,
2940                                                            traddr=args.traddr,
2941                                                            dev_type=args.dev_type,
2942                                                            vq_count=args.vq_count,
2943                                                            vq_size=args.vq_size))
2944
2945    p = subparsers.add_parser('bdev_virtio_attach_controller',
2946                              help="""Attach virtio controller using provided
2947    transport type and device type. This will also create bdevs for any block devices connected to the
2948    controller (for example, SCSI devices for a virtio-scsi controller).
2949    Result is array of added bdevs.""")
2950    p.add_argument('name', help="Use this name as base for new created bdevs")
2951    p.add_argument('-t', '--trtype',
2952                   help='Virtio target transport type: pci or user', required=True)
2953    p.add_argument('-a', '--traddr',
2954                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2955    p.add_argument('-d', '--dev-type',
2956                   help='Device type: blk or scsi', required=True)
2957    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2958    p.add_argument('--vq-size', help='Size of each queue', type=int)
2959    p.set_defaults(func=bdev_virtio_attach_controller)
2960
2961    def bdev_virtio_scsi_get_devices(args):
2962        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2963
2964    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
2965    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2966
2967    def bdev_virtio_detach_controller(args):
2968        rpc.vhost.bdev_virtio_detach_controller(args.client,
2969                                                name=args.name)
2970
2971    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
2972    This will delete all bdevs exposed by this device""")
2973    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2974    p.set_defaults(func=bdev_virtio_detach_controller)
2975
2976    def bdev_virtio_blk_set_hotplug(args):
2977        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2978
2979    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2980    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2981    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2982    p.add_argument('-r', '--period-us',
2983                   help='How often the hotplug is processed for insert and remove events', type=int)
2984    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2985
2986    # vfio-user target
2987    def vfu_tgt_set_base_path(args):
2988        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
2989
2990    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
2991    p.add_argument('path', help='socket base path')
2992    p.set_defaults(func=vfu_tgt_set_base_path)
2993
2994    def vfu_virtio_delete_endpoint(args):
2995        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
2996
2997    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
2998    p.add_argument('name', help='Endpoint name')
2999    p.set_defaults(func=vfu_virtio_delete_endpoint)
3000
3001    def vfu_virtio_create_blk_endpoint(args):
3002        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3003                                                     name=args.name,
3004                                                     bdev_name=args.bdev_name,
3005                                                     cpumask=args.cpumask,
3006                                                     num_queues=args.num_queues,
3007                                                     qsize=args.qsize,
3008                                                     packed_ring=args.packed_ring)
3009
3010    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3011    p.add_argument('name', help='Name of the endpoint')
3012    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3013    p.add_argument('--cpumask', help='CPU masks')
3014    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3015    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3016    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3017    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3018
3019    def vfu_virtio_scsi_add_target(args):
3020        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3021                                                 name=args.name,
3022                                                 scsi_target_num=args.scsi_target_num,
3023                                                 bdev_name=args.bdev_name)
3024
3025    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3026    p.add_argument('name', help='Name of the endpoint')
3027    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3028    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3029    p.set_defaults(func=vfu_virtio_scsi_add_target)
3030
3031    def vfu_virtio_scsi_remove_target(args):
3032        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3033                                                    name=args.name,
3034                                                    scsi_target_num=args.scsi_target_num)
3035
3036    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3037    p.add_argument('name', help='Name of the endpoint')
3038    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3039    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3040
3041    def vfu_virtio_create_scsi_endpoint(args):
3042        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3043                                                      name=args.name,
3044                                                      cpumask=args.cpumask,
3045                                                      num_io_queues=args.num_io_queues,
3046                                                      qsize=args.qsize,
3047                                                      packed_ring=args.packed_ring)
3048
3049    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3050    p.add_argument('name', help='Name of the endpoint')
3051    p.add_argument('--cpumask', help='CPU masks')
3052    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3053    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3054    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3055    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3056
3057    # accel_fw
3058    def accel_get_opc_assignments(args):
3059        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3060
3061    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3062    p.set_defaults(func=accel_get_opc_assignments)
3063
3064    def accel_get_module_info(args):
3065        print_dict(rpc.accel.accel_get_module_info(args.client))
3066
3067    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3068                              help='Get list of valid module names and their operations.')
3069    p.set_defaults(func=accel_get_module_info)
3070
3071    def accel_assign_opc(args):
3072        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3073
3074    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3075    p.add_argument('-o', '--opname', help='opname')
3076    p.add_argument('-m', '--module', help='name of module')
3077    p.set_defaults(func=accel_assign_opc)
3078
3079    def accel_crypto_key_create(args):
3080        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3081                                                     cipher=args.cipher,
3082                                                     key=args.key,
3083                                                     key2=args.key2,
3084                                                     tweak_mode=args.tweak_mode,
3085                                                     name=args.name))
3086
3087    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3088    p.add_argument('-c', '--cipher', help='cipher', required=True)
3089    p.add_argument('-k', '--key', help='key', required=True)
3090    p.add_argument('-e', '--key2', help='key2', default=None)
3091    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3092    p.add_argument('-n', '--name', help='key name', required=True)
3093    p.set_defaults(func=accel_crypto_key_create)
3094
3095    def accel_crypto_key_destroy(args):
3096        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3097                                                      key_name=args.name))
3098
3099    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3100    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3101    p.set_defaults(func=accel_crypto_key_destroy)
3102
3103    def accel_crypto_keys_get(args):
3104        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3105                                                   key_name=args.key_name))
3106
3107    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3108    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3109    p.set_defaults(func=accel_crypto_keys_get)
3110
3111    def accel_set_driver(args):
3112        rpc.accel.accel_set_driver(args.client, name=args.name)
3113
3114    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3115                              'operation chains')
3116    p.add_argument('name', help='name of the platform driver')
3117    p.set_defaults(func=accel_set_driver)
3118
3119    def accel_set_options(args):
3120        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3121                                    args.task_count, args.sequence_count, args.buf_count)
3122
3123    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3124    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3125    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3126    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3127    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3128    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3129    p.set_defaults(func=accel_set_options)
3130
3131    def accel_get_stats(args):
3132        print_dict(rpc.accel.accel_get_stats(args.client))
3133
3134    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3135    p.set_defaults(func=accel_get_stats)
3136
3137    # ioat
3138    def ioat_scan_accel_module(args):
3139        rpc.ioat.ioat_scan_accel_module(args.client)
3140
3141    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3142                              help='Enable IOAT accel module offload.')
3143    p.set_defaults(func=ioat_scan_accel_module)
3144
3145    # dpdk compressdev
3146    def compressdev_scan_accel_module(args):
3147        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3148
3149    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3150    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3151    p.set_defaults(func=compressdev_scan_accel_module)
3152
3153    # dsa
3154    def dsa_scan_accel_module(args):
3155        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3156
3157    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3158                              help='Set config and enable dsa accel module offload.')
3159    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3160                   action='store_true', dest='config_kernel_mode')
3161    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3162
3163    # iaa
3164    def iaa_scan_accel_module(args):
3165        rpc.iaa.iaa_scan_accel_module(args.client)
3166
3167    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3168                              help='Set config and enable iaa accel module offload.')
3169    p.set_defaults(func=iaa_scan_accel_module)
3170
3171    def dpdk_cryptodev_scan_accel_module(args):
3172        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3173
3174    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3175                              help='Enable dpdk_cryptodev accel module offload.')
3176    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3177
3178    def dpdk_cryptodev_set_driver(args):
3179        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3180                                                     driver_name=args.driver_name)
3181
3182    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3183                              help='Set the DPDK cryptodev driver.')
3184    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3185    p.set_defaults(func=dpdk_cryptodev_set_driver)
3186
3187    def dpdk_cryptodev_get_driver(args):
3188        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3189
3190    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3191    p.set_defaults(func=dpdk_cryptodev_get_driver)
3192
3193    # mlx5
3194    def mlx5_scan_accel_module(args):
3195        rpc.mlx5.mlx5_scan_accel_module(args.client,
3196                                        qp_size=args.qp_size,
3197                                        num_requests=args.num_requests)
3198
3199    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3200    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3201    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3202    p.set_defaults(func=mlx5_scan_accel_module)
3203
3204    # accel_error
3205    def accel_error_inject_error(args):
3206        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3207                                           type=args.type, count=args.count,
3208                                           interval=args.interval, errcode=args.errcode)
3209
3210    p = subparsers.add_parser('accel_error_inject_error',
3211                              help='Inject an error to processing accel operation')
3212    p.add_argument('-o', '--opcode', help='Opcode')
3213    p.add_argument('-t', '--type',
3214                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3215    p.add_argument('-c', '--count', type=int,
3216                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3217    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3218    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3219    p.set_defaults(func=accel_error_inject_error)
3220
3221    # opal
3222    def bdev_nvme_opal_init(args):
3223        rpc.nvme.bdev_nvme_opal_init(args.client,
3224                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3225                                     password=args.password)
3226
3227    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3228    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3229    p.add_argument('-p', '--password', help='password for admin')
3230    p.set_defaults(func=bdev_nvme_opal_init)
3231
3232    def bdev_nvme_opal_revert(args):
3233        rpc.nvme.bdev_nvme_opal_revert(args.client,
3234                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3235                                       password=args.password)
3236    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3237    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3238    p.add_argument('-p', '--password', help='password')
3239    p.set_defaults(func=bdev_nvme_opal_revert)
3240
3241    def bdev_opal_create(args):
3242        print_json(rpc.bdev.bdev_opal_create(args.client,
3243                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3244                                             nsid=args.nsid,
3245                                             locking_range_id=args.locking_range_id,
3246                                             range_start=args.range_start,
3247                                             range_length=args.range_length,
3248                                             password=args.password))
3249
3250    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3251    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3252    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3253    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3254    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3255    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3256    p.add_argument('-p', '--password', help='admin password', required=True)
3257    p.set_defaults(func=bdev_opal_create)
3258
3259    def bdev_opal_get_info(args):
3260        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3261                                               bdev_name=args.bdev_name,
3262                                               password=args.password))
3263
3264    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3265    p.add_argument('-b', '--bdev-name', help='opal bdev')
3266    p.add_argument('-p', '--password', help='password')
3267    p.set_defaults(func=bdev_opal_get_info)
3268
3269    def bdev_opal_delete(args):
3270        rpc.bdev.bdev_opal_delete(args.client,
3271                                  bdev_name=args.bdev_name,
3272                                  password=args.password)
3273
3274    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3275    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3276    p.add_argument('-p', '--password', help='admin password', required=True)
3277    p.set_defaults(func=bdev_opal_delete)
3278
3279    def bdev_opal_new_user(args):
3280        rpc.bdev.bdev_opal_new_user(args.client,
3281                                    bdev_name=args.bdev_name,
3282                                    admin_password=args.admin_password,
3283                                    user_id=args.user_id,
3284                                    user_password=args.user_password)
3285
3286    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3287    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3288    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3289    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3290    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3291    p.set_defaults(func=bdev_opal_new_user)
3292
3293    def bdev_opal_set_lock_state(args):
3294        rpc.bdev.bdev_opal_set_lock_state(args.client,
3295                                          bdev_name=args.bdev_name,
3296                                          user_id=args.user_id,
3297                                          password=args.password,
3298                                          lock_state=args.lock_state)
3299
3300    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3301    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3302    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',
3303                   type=int, required=True)
3304    p.add_argument('-p', '--password', help='password of this user', required=True)
3305    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3306    p.set_defaults(func=bdev_opal_set_lock_state)
3307
3308    # bdev_nvme_send_cmd
3309    def bdev_nvme_send_cmd(args):
3310        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3311                                               name=args.nvme_name,
3312                                               cmd_type=args.cmd_type,
3313                                               data_direction=args.data_direction,
3314                                               cmdbuf=args.cmdbuf,
3315                                               data=args.data,
3316                                               metadata=args.metadata,
3317                                               data_len=args.data_length,
3318                                               metadata_len=args.metadata_length,
3319                                               timeout_ms=args.timeout_ms))
3320
3321    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3322    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3323    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3324    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3325    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3326    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3327    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3328    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3329    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3330    p.add_argument('-T', '--timeout-ms',
3331                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3332    p.set_defaults(func=bdev_nvme_send_cmd)
3333
3334    # Notifications
3335    def notify_get_types(args):
3336        print_dict(rpc.notify.notify_get_types(args.client))
3337
3338    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3339    p.set_defaults(func=notify_get_types)
3340
3341    def notify_get_notifications(args):
3342        ret = rpc.notify.notify_get_notifications(args.client,
3343                                                  id=args.id,
3344                                                  max=args.max)
3345        print_dict(ret)
3346
3347    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3348    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3349    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3350    p.set_defaults(func=notify_get_notifications)
3351
3352    def thread_get_stats(args):
3353        print_dict(rpc.app.thread_get_stats(args.client))
3354
3355    p = subparsers.add_parser(
3356        'thread_get_stats', help='Display current statistics of all the threads')
3357    p.set_defaults(func=thread_get_stats)
3358
3359    def thread_set_cpumask(args):
3360        ret = rpc.app.thread_set_cpumask(args.client,
3361                                         id=args.id,
3362                                         cpumask=args.cpumask)
3363    p = subparsers.add_parser('thread_set_cpumask',
3364                              help="""set the cpumask of the thread whose ID matches to the
3365    specified value. The thread may be migrated to one of the specified CPUs.""")
3366    p.add_argument('-i', '--id', type=int, help='thread ID')
3367    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3368    p.set_defaults(func=thread_set_cpumask)
3369
3370    def log_enable_timestamps(args):
3371        ret = rpc.app.log_enable_timestamps(args.client,
3372                                            enabled=args.enabled)
3373    p = subparsers.add_parser('log_enable_timestamps',
3374                              help='Enable or disable timestamps.')
3375    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3376    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3377    p.set_defaults(func=log_enable_timestamps)
3378
3379    def thread_get_pollers(args):
3380        print_dict(rpc.app.thread_get_pollers(args.client))
3381
3382    p = subparsers.add_parser(
3383        'thread_get_pollers', help='Display current pollers of all the threads')
3384    p.set_defaults(func=thread_get_pollers)
3385
3386    def thread_get_io_channels(args):
3387        print_dict(rpc.app.thread_get_io_channels(args.client))
3388
3389    p = subparsers.add_parser(
3390        'thread_get_io_channels', help='Display current IO channels of all the threads')
3391    p.set_defaults(func=thread_get_io_channels)
3392
3393    def env_dpdk_get_mem_stats(args):
3394        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3395
3396    p = subparsers.add_parser(
3397        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3398    p.set_defaults(func=env_dpdk_get_mem_stats)
3399
3400    # blobfs
3401    def blobfs_detect(args):
3402        print(rpc.blobfs.blobfs_detect(args.client,
3403                                       bdev_name=args.bdev_name))
3404
3405    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3406    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3407    p.set_defaults(func=blobfs_detect)
3408
3409    def blobfs_create(args):
3410        print(rpc.blobfs.blobfs_create(args.client,
3411                                       bdev_name=args.bdev_name,
3412                                       cluster_sz=args.cluster_sz))
3413
3414    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3415    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3416    p.add_argument('-c', '--cluster-sz',
3417                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3418    p.set_defaults(func=blobfs_create)
3419
3420    def blobfs_mount(args):
3421        print(rpc.blobfs.blobfs_mount(args.client,
3422                                      bdev_name=args.bdev_name,
3423                                      mountpoint=args.mountpoint))
3424
3425    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3426    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3427    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3428    p.set_defaults(func=blobfs_mount)
3429
3430    def blobfs_set_cache_size(args):
3431        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3432                                               size_in_mb=args.size_in_mb))
3433
3434    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3435    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3436    p.set_defaults(func=blobfs_set_cache_size)
3437
3438    # sock
3439    def sock_impl_get_options(args):
3440        print_json(rpc.sock.sock_impl_get_options(args.client,
3441                                                  impl_name=args.impl))
3442
3443    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3444    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3445    p.set_defaults(func=sock_impl_get_options)
3446
3447    def sock_impl_set_options(args):
3448        rpc.sock.sock_impl_set_options(args.client,
3449                                       impl_name=args.impl,
3450                                       recv_buf_size=args.recv_buf_size,
3451                                       send_buf_size=args.send_buf_size,
3452                                       enable_recv_pipe=args.enable_recv_pipe,
3453                                       enable_quickack=args.enable_quickack,
3454                                       enable_placement_id=args.enable_placement_id,
3455                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3456                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3457                                       zerocopy_threshold=args.zerocopy_threshold,
3458                                       tls_version=args.tls_version,
3459                                       enable_ktls=args.enable_ktls)
3460
3461    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3462    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3463    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3464    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3465    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3466    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3467                   action='store_true', dest='enable_recv_pipe')
3468    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3469                   action='store_false', dest='enable_recv_pipe')
3470    p.add_argument('--enable-quickack', help='Enable quick ACK',
3471                   action='store_true', dest='enable_quickack')
3472    p.add_argument('--disable-quickack', help='Disable quick ACK',
3473                   action='store_false', dest='enable_quickack')
3474    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3475                   action='store_true', dest='enable_zerocopy_send_server')
3476    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3477                   action='store_false', dest='enable_zerocopy_send_server')
3478    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3479                   action='store_true', dest='enable_zerocopy_send_client')
3480    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3481                   action='store_false', dest='enable_zerocopy_send_client')
3482    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3483    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3484    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3485                   action='store_true', dest='enable_ktls')
3486    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3487                   action='store_false', dest='enable_ktls')
3488    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3489                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3490                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3491
3492    def sock_set_default_impl(args):
3493        print_json(rpc.sock.sock_set_default_impl(args.client,
3494                                                  impl_name=args.impl))
3495
3496    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3497    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3498    p.set_defaults(func=sock_set_default_impl)
3499
3500    def framework_get_pci_devices(args):
3501        def splitbuf(buf, step):
3502            return [buf[i:i+step] for i in range(0, len(buf), step)]
3503
3504        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3505        if not args.format_lspci:
3506            print_json(devices)
3507        else:
3508            for devid, dev in enumerate(devices):
3509                print('{} device #{}'.format(dev['address'], devid))
3510                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3511                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3512                print()
3513
3514    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3515    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3516                   action='store_true')
3517    p.set_defaults(func=framework_get_pci_devices)
3518
3519    # bdev_nvme_add_error_injection
3520    def bdev_nvme_add_error_injection(args):
3521        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3522                                                          name=args.nvme_name,
3523                                                          cmd_type=args.cmd_type,
3524                                                          opc=args.opc,
3525                                                          do_not_submit=args.do_not_submit,
3526                                                          timeout_in_us=args.timeout_in_us,
3527                                                          err_count=args.err_count,
3528                                                          sct=args.sct,
3529                                                          sc=args.sc))
3530    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3531                              help='Add a NVMe command error injection.')
3532    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3533    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3534    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3535    p.add_argument('-s', '--do-not-submit',
3536                   help="""Set to true if request should not be submitted to the controller""",
3537                   dest="do_not_submit", action='store_true')
3538    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3539    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3540    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3541    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3542    p.set_defaults(func=bdev_nvme_add_error_injection)
3543
3544    # bdev_nvme_remove_error_injection
3545    def bdev_nvme_remove_error_injection(args):
3546        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3547                                                             name=args.nvme_name,
3548                                                             cmd_type=args.cmd_type,
3549                                                             opc=args.opc))
3550    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3551                              help='Removes a NVMe command error injection.')
3552    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3553    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3554    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3555    p.set_defaults(func=bdev_nvme_remove_error_injection)
3556
3557    def bdev_daos_create(args):
3558        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3559        print_json(rpc.bdev.bdev_daos_create(args.client,
3560                                             num_blocks=int(num_blocks),
3561                                             block_size=args.block_size,
3562                                             name=args.name,
3563                                             uuid=args.uuid,
3564                                             pool=args.pool,
3565                                             cont=args.cont,
3566                                             oclass=args.oclass))
3567    p = subparsers.add_parser('bdev_daos_create',
3568                              help='Create a bdev with DAOS backend')
3569    p.add_argument('name', help="Name of the bdev")
3570    p.add_argument('pool', help="UUID of the DAOS pool")
3571    p.add_argument('cont', help="UUID of the DAOS container")
3572    p.add_argument(
3573        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3574    p.add_argument('block_size', help='Block size for this bdev', type=int)
3575    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3576    p.add_argument('-o', '--oclass', help="DAOS object class")
3577    p.set_defaults(func=bdev_daos_create)
3578
3579    def bdev_daos_delete(args):
3580        rpc.bdev.bdev_daos_delete(args.client,
3581                                  name=args.name)
3582
3583    p = subparsers.add_parser('bdev_daos_delete',
3584                              help='Delete a DAOS disk')
3585    p.add_argument('name', help='DAOS bdev name')
3586    p.set_defaults(func=bdev_daos_delete)
3587
3588    def bdev_daos_resize(args):
3589        print_json(rpc.bdev.bdev_daos_resize(args.client,
3590                                             name=args.name,
3591                                             new_size=int(args.new_size)))
3592
3593    p = subparsers.add_parser('bdev_daos_resize',
3594                              help='Resize a DAOS bdev')
3595    p.add_argument('name', help='DAOS bdev name')
3596    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3597    p.set_defaults(func=bdev_daos_resize)
3598
3599    def iobuf_set_options(args):
3600        rpc.iobuf.iobuf_set_options(args.client,
3601                                    small_pool_count=args.small_pool_count,
3602                                    large_pool_count=args.large_pool_count,
3603                                    small_bufsize=args.small_bufsize,
3604                                    large_bufsize=args.large_bufsize)
3605    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3606    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3607    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3608    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3609    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3610    p.set_defaults(func=iobuf_set_options)
3611
3612    def iobuf_get_stats(args):
3613        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3614
3615    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3616    p.set_defaults(func=iobuf_get_stats)
3617
3618    def bdev_nvme_start_mdns_discovery(args):
3619        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3620                                                name=args.name,
3621                                                svcname=args.svcname,
3622                                                hostnqn=args.hostnqn)
3623
3624    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3625    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3626    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3627    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3628    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3629
3630    def bdev_nvme_stop_mdns_discovery(args):
3631        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3632
3633    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3634    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3635    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3636
3637    def bdev_nvme_get_mdns_discovery_info(args):
3638        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3639
3640    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3641    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3642
3643    def keyring_file_add_key(args):
3644        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3645
3646    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3647    p.add_argument('name', help='Name of the key to add')
3648    p.add_argument('path', help='Path of the file containing the key')
3649    p.set_defaults(func=keyring_file_add_key)
3650
3651    def keyring_file_remove_key(args):
3652        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3653
3654    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3655    p.add_argument('name', help='Name of the key to remove')
3656    p.set_defaults(func=keyring_file_remove_key)
3657
3658    def keyring_get_keys(args):
3659        print_dict(rpc.keyring.keyring_get_keys(args.client))
3660
3661    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3662    p.set_defaults(func=keyring_get_keys)
3663
3664    def keyring_linux_set_options(args):
3665        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3666
3667    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3668    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3669    p.set_defaults(func=keyring_linux_set_options)
3670
3671    def check_called_name(name):
3672        if name in deprecated_aliases:
3673            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3674
3675    class dry_run_client:
3676        def call(self, method, params=None):
3677            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3678
3679    def null_print(arg):
3680        pass
3681
3682    def call_rpc_func(args):
3683        args.func(args)
3684        check_called_name(args.called_rpc_name)
3685
3686    def execute_script(parser, client, fd):
3687        executed_rpc = ""
3688        for rpc_call in map(str.rstrip, fd):
3689            if not rpc_call.strip():
3690                continue
3691            executed_rpc = "\n".join([executed_rpc, rpc_call])
3692            rpc_args = shlex.split(rpc_call)
3693            if rpc_args[0][0] == '#':
3694                # Ignore lines starting with # - treat them as comments
3695                continue
3696            args = parser.parse_args(rpc_args)
3697            args.client = client
3698            try:
3699                call_rpc_func(args)
3700            except JSONRPCException as ex:
3701                print("Exception:")
3702                print(executed_rpc.strip() + " <<<")
3703                print(ex.message)
3704                exit(1)
3705
3706    def load_plugin(args):
3707        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3708        plugin_parser = argparse.ArgumentParser(add_help=False)
3709        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3710
3711        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3712        if args is not None:
3713            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3714
3715        if rpc_module in plugins:
3716            return
3717
3718        if rpc_module is not None:
3719            try:
3720                rpc_plugin = importlib.import_module(rpc_module)
3721                try:
3722                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3723                    plugins.append(rpc_module)
3724                except AttributeError:
3725                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3726            except ModuleNotFoundError:
3727                print("Module %s not found" % rpc_module)
3728
3729    def replace_arg_underscores(args):
3730        # All option names are defined with dashes only - for example: --tgt-name
3731        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3732        # SPDK was inconsistent previously and had some options with underscores, so
3733        # doing this conversion ensures backward compatibility with older scripts.
3734        for i in range(len(args)):
3735            arg = args[i]
3736            if arg.startswith('--') and "_" in arg:
3737                opt, *vals = arg.split('=')
3738                args[i] = '='.join([opt.replace('_', '-'), *vals])
3739
3740    plugins = []
3741    load_plugin(None)
3742
3743    replace_arg_underscores(sys.argv)
3744
3745    args = parser.parse_args()
3746
3747    try:
3748        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3749    except ValueError:
3750        use_go_client = False
3751
3752    if sys.stdin.isatty() and not hasattr(args, 'func'):
3753        # No arguments and no data piped through stdin
3754        parser.print_help()
3755        exit(1)
3756    if args.is_server:
3757        for input in sys.stdin:
3758            cmd = shlex.split(input)
3759            replace_arg_underscores(cmd)
3760            try:
3761                load_plugin(cmd)
3762                tmp_args = parser.parse_args(cmd)
3763            except SystemExit as ex:
3764                print("**STATUS=1", flush=True)
3765                continue
3766
3767            try:
3768                if use_go_client:
3769                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3770                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3771                else:
3772                    tmp_args.client = rpc.client.JSONRPCClient(
3773                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3774                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3775                call_rpc_func(tmp_args)
3776                print("**STATUS=0", flush=True)
3777            except JSONRPCException as ex:
3778                print(ex.message)
3779                print("**STATUS=1", flush=True)
3780        exit(0)
3781    elif args.dry_run:
3782        args.client = dry_run_client()
3783        print_dict = null_print
3784        print_json = null_print
3785        print_array = null_print
3786    elif args.go_client or use_go_client:
3787        try:
3788            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3789                                                     log_level=getattr(logging, args.verbose.upper()))
3790        except JSONRPCException as ex:
3791            print(ex.message)
3792            exit(1)
3793    else:
3794        try:
3795            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3796                                                   log_level=getattr(logging, args.verbose.upper()),
3797                                                   conn_retries=args.conn_retries)
3798        except JSONRPCException as ex:
3799            print(ex.message)
3800            exit(1)
3801
3802    if hasattr(args, 'func'):
3803        try:
3804            call_rpc_func(args)
3805        except JSONRPCException as ex:
3806            print(ex.message)
3807            exit(1)
3808    else:
3809        execute_script(parser, args.client, sys.stdin)
3810