xref: /spdk/scripts/rpc.py (revision b084cba072707e2667d482bdb3443f61a33be232)
1#!/usr/bin/env python3
2#  SPDX-License-Identifier: BSD-3-Clause
3#  Copyright (C) 2016 Intel Corporation
4#  All rights reserved.
5#  Copyright (c) 2022 Dell Inc, or its subsidiaries.
6#  Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
7#
8
9import logging
10import argparse
11import importlib
12import os
13import sys
14import shlex
15import json
16
17try:
18    from shlex import quote
19except ImportError:
20    from pipes import quote
21
22sys.path.append(os.path.dirname(__file__) + '/../python')
23
24import spdk.rpc as rpc  # noqa
25from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
26from spdk.rpc.helpers import deprecated_aliases  # noqa
27
28
29def print_array(a):
30    print(" ".join((quote(v) for v in a)))
31
32
33if __name__ == "__main__":
34    parser = argparse.ArgumentParser(
35        description='SPDK RPC command line interface', usage='%(prog)s [options]')
36    parser.add_argument('-s', dest='server_addr',
37                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
38    parser.add_argument('-p', dest='port',
39                        help='RPC port number (if server_addr is IP address)',
40                        default=5260, type=int)
41    parser.add_argument('-t', dest='timeout',
42                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
43                        default=None, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent)
98
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int)
181    p.set_defaults(func=framework_set_scheduler)
182
183    def framework_get_scheduler(args):
184        print_dict(rpc.app.framework_get_scheduler(args.client))
185
186    p = subparsers.add_parser(
187        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
188    p.set_defaults(func=framework_get_scheduler)
189
190    def framework_disable_cpumask_locks(args):
191        rpc.framework_disable_cpumask_locks(args.client)
192
193    p = subparsers.add_parser('framework_disable_cpumask_locks',
194                              help='Disable CPU core lock files.')
195    p.set_defaults(func=framework_disable_cpumask_locks)
196
197    def framework_enable_cpumask_locks(args):
198        rpc.framework_enable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_enable_cpumask_locks',
201                              help='Enable CPU core lock files.')
202    p.set_defaults(func=framework_enable_cpumask_locks)
203
204    # bdev
205    def bdev_set_options(args):
206        rpc.bdev.bdev_set_options(args.client,
207                                  bdev_io_pool_size=args.bdev_io_pool_size,
208                                  bdev_io_cache_size=args.bdev_io_cache_size,
209                                  bdev_auto_examine=args.bdev_auto_examine,
210                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
211                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
212
213    p = subparsers.add_parser('bdev_set_options',
214                              help="""Set options of bdev subsystem""")
215    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
216    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
217    group = p.add_mutually_exclusive_group()
218    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
219    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
220    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
221    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
222    p.set_defaults(bdev_auto_examine=True)
223    p.set_defaults(func=bdev_set_options)
224
225    def bdev_examine(args):
226        rpc.bdev.bdev_examine(args.client,
227                              name=args.name)
228
229    p = subparsers.add_parser('bdev_examine',
230                              help="""examine a bdev if it exists, or will examine it after it is created""")
231    p.add_argument('-b', '--name', help='Name or alias of the bdev')
232    p.set_defaults(func=bdev_examine)
233
234    def bdev_wait_for_examine(args):
235        rpc.bdev.bdev_wait_for_examine(args.client)
236
237    p = subparsers.add_parser('bdev_wait_for_examine',
238                              help="""Report when all bdevs have been examined""")
239    p.set_defaults(func=bdev_wait_for_examine)
240
241    def bdev_compress_create(args):
242        print_json(rpc.bdev.bdev_compress_create(args.client,
243                                                 base_bdev_name=args.base_bdev_name,
244                                                 pm_path=args.pm_path,
245                                                 lb_size=args.lb_size))
246
247    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
248    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
249    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
250    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
251    p.set_defaults(func=bdev_compress_create)
252
253    def bdev_compress_delete(args):
254        rpc.bdev.bdev_compress_delete(args.client,
255                                      name=args.name)
256
257    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
258    p.add_argument('name', help='compress bdev name')
259    p.set_defaults(func=bdev_compress_delete)
260
261    def bdev_compress_get_orphans(args):
262        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
263                                                      name=args.name))
264    p = subparsers.add_parser(
265        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
266    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
267    p.set_defaults(func=bdev_compress_get_orphans)
268
269    def bdev_crypto_create(args):
270        print_json(rpc.bdev.bdev_crypto_create(args.client,
271                                               base_bdev_name=args.base_bdev_name,
272                                               name=args.name,
273                                               crypto_pmd=args.crypto_pmd,
274                                               key=args.key,
275                                               cipher=args.cipher,
276                                               key2=args.key2,
277                                               key_name=args.key_name))
278    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
279    p.add_argument('base_bdev_name', help="Name of the base bdev")
280    p.add_argument('name', help="Name of the crypto vbdev")
281    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
282    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
283    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
284    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
285    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
286    p.set_defaults(func=bdev_crypto_create)
287
288    def bdev_crypto_delete(args):
289        rpc.bdev.bdev_crypto_delete(args.client,
290                                    name=args.name)
291
292    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
293    p.add_argument('name', help='crypto bdev name')
294    p.set_defaults(func=bdev_crypto_delete)
295
296    def bdev_ocf_create(args):
297        print_json(rpc.bdev.bdev_ocf_create(args.client,
298                                            name=args.name,
299                                            mode=args.mode,
300                                            cache_line_size=args.cache_line_size,
301                                            cache_bdev_name=args.cache_bdev_name,
302                                            core_bdev_name=args.core_bdev_name))
303    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
304    p.add_argument('name', help='Name of resulting OCF bdev')
305    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
306    p.add_argument(
307        '--cache-line-size',
308        help='OCF cache line size. The unit is KiB',
309        type=int,
310        choices=[4, 8, 16, 32, 64]
311    )
312    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
313    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
314    p.set_defaults(func=bdev_ocf_create)
315
316    def bdev_ocf_delete(args):
317        rpc.bdev.bdev_ocf_delete(args.client,
318                                 name=args.name)
319
320    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
321    p.add_argument('name', help='Name of OCF bdev')
322    p.set_defaults(func=bdev_ocf_delete)
323
324    def bdev_ocf_get_stats(args):
325        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
326                                               name=args.name))
327    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_get_stats)
330
331    def bdev_ocf_reset_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
333                                                 name=args.name))
334    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_reset_stats)
337
338    def bdev_ocf_get_bdevs(args):
339        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
340                                               name=args.name))
341    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
342    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
343    p.set_defaults(func=bdev_ocf_get_bdevs)
344
345    def bdev_ocf_set_cache_mode(args):
346        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
347                                                    name=args.name,
348                                                    mode=args.mode))
349    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
350                              help='Set cache mode of OCF block device')
351    p.add_argument('name', help='Name of OCF bdev')
352    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
353    p.set_defaults(func=bdev_ocf_set_cache_mode)
354
355    def bdev_ocf_set_seqcutoff(args):
356        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
357                                        name=args.name,
358                                        policy=args.policy,
359                                        threshold=args.threshold,
360                                        promotion_count=args.promotion_count)
361    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
362                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
363    p.add_argument('name', help='Name of OCF cache bdev')
364    p.add_argument('-t', '--threshold', type=int,
365                   help='Activation threshold [KiB]')
366    p.add_argument('-c', '--promotion-count', type=int,
367                   help='Promotion request count')
368    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
369                   help='Sequential cutoff policy')
370    p.set_defaults(func=bdev_ocf_set_seqcutoff)
371
372    def bdev_ocf_flush_start(args):
373        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
374    p = subparsers.add_parser('bdev_ocf_flush_start',
375                              help='Start flushing OCF cache device')
376    p.add_argument('name', help='Name of OCF bdev')
377    p.set_defaults(func=bdev_ocf_flush_start)
378
379    def bdev_ocf_flush_status(args):
380        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
381    p = subparsers.add_parser('bdev_ocf_flush_status',
382                              help='Get flush status of OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_status)
385
386    def bdev_malloc_create(args):
387        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
388        print_json(rpc.bdev.bdev_malloc_create(args.client,
389                                               num_blocks=int(num_blocks),
390                                               block_size=args.block_size,
391                                               physical_block_size=args.physical_block_size,
392                                               name=args.name,
393                                               uuid=args.uuid,
394                                               optimal_io_boundary=args.optimal_io_boundary,
395                                               md_size=args.md_size,
396                                               md_interleave=args.md_interleave,
397                                               dif_type=args.dif_type,
398                                               dif_is_head_of_md=args.dif_is_head_of_md))
399    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
400    p.add_argument('-b', '--name', help="Name of the bdev")
401    p.add_argument('-u', '--uuid', help="UUID of the bdev")
402    p.add_argument(
403        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
404    p.add_argument('block_size', help='Data block size for this bdev', type=int)
405    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
406    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
407    blocks, default 0 (disabled)""", type=int)
408    p.add_argument('-m', '--md-size', type=int,
409                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
410    p.add_argument('-i', '--md-interleave', action='store_true',
411                   help='Metadata location, interleaved if set, and separated if omitted.')
412    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
413                   help='Protection information type. Parameter --md-size needs'
414                        'to be set along --dif-type. Default=0 - no protection.')
415    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
416                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
417    p.set_defaults(func=bdev_malloc_create)
418
419    def bdev_malloc_delete(args):
420        rpc.bdev.bdev_malloc_delete(args.client,
421                                    name=args.name)
422
423    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
424    p.add_argument('name', help='malloc bdev name')
425    p.set_defaults(func=bdev_malloc_delete)
426
427    def bdev_null_create(args):
428        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
429        if args.dif_type and not args.md_size:
430            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
431            exit(1)
432        print_json(rpc.bdev.bdev_null_create(args.client,
433                                             num_blocks=num_blocks,
434                                             block_size=args.block_size,
435                                             physical_block_size=args.physical_block_size,
436                                             name=args.name,
437                                             uuid=args.uuid,
438                                             md_size=args.md_size,
439                                             dif_type=args.dif_type,
440                                             dif_is_head_of_md=args.dif_is_head_of_md))
441
442    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
443    p.add_argument('name', help='Block device name')
444    p.add_argument('-u', '--uuid', help='UUID of the bdev')
445    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
446    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
447    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
448    p.add_argument('-m', '--md-size', type=int,
449                   help='Metadata size for this bdev. Default=0.')
450    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
451                   help='Protection information type. Parameter --md-size needs'
452                        'to be set along --dif-type. Default=0 - no protection.')
453    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
454                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
455    p.set_defaults(func=bdev_null_create)
456
457    def bdev_null_delete(args):
458        rpc.bdev.bdev_null_delete(args.client,
459                                  name=args.name)
460
461    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
462    p.add_argument('name', help='null bdev name')
463    p.set_defaults(func=bdev_null_delete)
464
465    def bdev_null_resize(args):
466        print_json(rpc.bdev.bdev_null_resize(args.client,
467                                             name=args.name,
468                                             new_size=int(args.new_size)))
469
470    p = subparsers.add_parser('bdev_null_resize',
471                              help='Resize a null bdev')
472    p.add_argument('name', help='null bdev name')
473    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
474    p.set_defaults(func=bdev_null_resize)
475
476    def bdev_aio_create(args):
477        print_json(rpc.bdev.bdev_aio_create(args.client,
478                                            filename=args.filename,
479                                            name=args.name,
480                                            block_size=args.block_size,
481                                            readonly=args.readonly,
482                                            fallocate=args.fallocate))
483
484    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
485    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
486    p.add_argument('name', help='Block device name')
487    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
488    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
489    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
490    p.set_defaults(func=bdev_aio_create)
491
492    def bdev_aio_rescan(args):
493        print_json(rpc.bdev.bdev_aio_rescan(args.client,
494                                            name=args.name))
495
496    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
497    p.add_argument('name', help='Block device name')
498    p.set_defaults(func=bdev_aio_rescan)
499
500    def bdev_aio_delete(args):
501        rpc.bdev.bdev_aio_delete(args.client,
502                                 name=args.name)
503
504    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
505    p.add_argument('name', help='aio bdev name')
506    p.set_defaults(func=bdev_aio_delete)
507
508    def bdev_uring_create(args):
509        print_json(rpc.bdev.bdev_uring_create(args.client,
510                                              filename=args.filename,
511                                              name=args.name,
512                                              block_size=args.block_size,
513                                              uuid=args.uuid))
514
515    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
516    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
517    p.add_argument('name', help='bdev name')
518    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
519    p.add_argument('-u', '--uuid', help="UUID of the bdev")
520    p.set_defaults(func=bdev_uring_create)
521
522    def bdev_uring_rescan(args):
523        print_json(rpc.bdev.bdev_uring_rescan(args.client,
524                                              name=args.name))
525
526    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
527    p.add_argument('name', help='Block device name')
528    p.set_defaults(func=bdev_uring_rescan)
529
530    def bdev_uring_delete(args):
531        rpc.bdev.bdev_uring_delete(args.client,
532                                   name=args.name)
533
534    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
535    p.add_argument('name', help='uring bdev name')
536    p.set_defaults(func=bdev_uring_delete)
537
538    def bdev_xnvme_create(args):
539        print_json(rpc.bdev.bdev_xnvme_create(args.client,
540                                              filename=args.filename,
541                                              name=args.name,
542                                              io_mechanism=args.io_mechanism))
543
544    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
545    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
546    p.add_argument('name', help='name of xNVMe bdev to create')
547    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
548    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
549    p.set_defaults(func=bdev_xnvme_create)
550
551    def bdev_xnvme_delete(args):
552        rpc.bdev.bdev_xnvme_delete(args.client,
553                                   name=args.name)
554
555    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
556    p.add_argument('name', help='xNVMe bdev name')
557    p.set_defaults(func=bdev_xnvme_delete)
558
559    def bdev_nvme_set_options(args):
560        rpc.bdev.bdev_nvme_set_options(args.client,
561                                       action_on_timeout=args.action_on_timeout,
562                                       timeout_us=args.timeout_us,
563                                       timeout_admin_us=args.timeout_admin_us,
564                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
565                                       retry_count=args.retry_count,
566                                       arbitration_burst=args.arbitration_burst,
567                                       low_priority_weight=args.low_priority_weight,
568                                       medium_priority_weight=args.medium_priority_weight,
569                                       high_priority_weight=args.high_priority_weight,
570                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
571                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
572                                       io_queue_requests=args.io_queue_requests,
573                                       delay_cmd_submit=args.delay_cmd_submit,
574                                       transport_retry_count=args.transport_retry_count,
575                                       bdev_retry_count=args.bdev_retry_count,
576                                       transport_ack_timeout=args.transport_ack_timeout,
577                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
578                                       reconnect_delay_sec=args.reconnect_delay_sec,
579                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
580                                       disable_auto_failback=args.disable_auto_failback,
581                                       generate_uuids=args.generate_uuids,
582                                       transport_tos=args.transport_tos,
583                                       nvme_error_stat=args.nvme_error_stat,
584                                       rdma_srq_size=args.rdma_srq_size,
585                                       io_path_stat=args.io_path_stat,
586                                       allow_accel_sequence=args.allow_accel_sequence,
587                                       rdma_max_cq_size=args.rdma_max_cq_size,
588                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
589                                       dhchap_digests=args.dhchap_digests,
590                                       dhchap_dhgroups=args.dhchap_dhgroups)
591
592    p = subparsers.add_parser('bdev_nvme_set_options',
593                              help='Set options for the bdev nvme type. This is startup command.')
594    p.add_argument('-a', '--action-on-timeout',
595                   help="Action to take on command time out. Valid values are: none, reset, abort")
596    p.add_argument('-t', '--timeout-us',
597                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
598    p.add_argument('--timeout-admin-us',
599                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
600    p.add_argument('-k', '--keep-alive-timeout-ms',
601                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
602    p.add_argument('-n', '--retry-count',
603                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
604    p.add_argument('--arbitration-burst',
605                   help='the value is expressed as a power of two', type=int)
606    p.add_argument('--low-priority-weight',
607                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
608    p.add_argument('--medium-priority-weight',
609                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
610    p.add_argument('--high-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
612    p.add_argument('-p', '--nvme-adminq-poll-period-us',
613                   help='How often the admin queue is polled for asynchronous events', type=int)
614    p.add_argument('-i', '--nvme-ioq-poll-period-us',
615                   help='How often to poll I/O queues for completions', type=int)
616    p.add_argument('-s', '--io-queue-requests',
617                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
618    p.add_argument('-d', '--disable-delay-cmd-submit',
619                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
620                   action='store_false', dest='delay_cmd_submit')
621    p.add_argument('-c', '--transport-retry-count',
622                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
623    p.add_argument('-r', '--bdev-retry-count',
624                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
625    p.add_argument('-e', '--transport-ack-timeout',
626                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
627                   Range 0-31 where 0 is driver-specific default value.""", type=int)
628    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
629                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
630                   -1 means infinite reconnect retries. 0 means no reconnect retry.
631                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
632                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
633                   reconnect_delay_sec.
634                   This can be overridden by bdev_nvme_attach_controller.""",
635                   type=int)
636    p.add_argument('-o', '--reconnect-delay-sec',
637                   help="""Time to delay a reconnect retry.
638                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
639                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
640                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
641                   less than ctrlr_loss_timeout_sec.
642                   This can be overridden by bdev_nvme_attach_controller.""",
643                   type=int)
644    p.add_argument('-u', '--fast-io-fail-timeout-sec',
645                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
646                   0 means no such timeout.
647                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
648                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
649                   This can be overridden by bdev_nvme_attach_controller.""",
650                   type=int)
651    p.add_argument('-f', '--disable-auto-failback',
652                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
653                   By default, immediately failback to the preferred I/O path if it restored.""",
654                   action='store_true')
655    p.add_argument('--generate-uuids',
656                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
657                   not provide UUID themselves. These strings are based on device serial number and
658                   namespace ID and will always be the same for that device.""", action='store_true')
659    p.add_argument('--transport-tos',
660                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
661                   The default is 0 which means no TOS is applied.""", type=int)
662    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
663    p.add_argument('-q', '--rdma-srq-size',
664                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
665    p.add_argument('--io-path-stat',
666                   help="""Enable collecting I/O path stat of each io path.""",
667                   action='store_true')
668    p.add_argument('--allow-accel-sequence',
669                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
670                   controller also supports them.''', action='store_true')
671    p.add_argument('--rdma-max-cq-size',
672                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
673    p.add_argument('--rdma-cm-event-timeout-ms',
674                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
675    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
676                   type=lambda d: d.split(','))
677    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
678                   type=lambda d: d.split(','))
679
680    p.set_defaults(func=bdev_nvme_set_options)
681
682    def bdev_nvme_set_hotplug(args):
683        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
684
685    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
686    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
687    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
688    p.add_argument('-r', '--period-us',
689                   help='How often the hotplug is processed for insert and remove events', type=int)
690    p.set_defaults(func=bdev_nvme_set_hotplug)
691
692    def bdev_nvme_attach_controller(args):
693        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
694                                                         name=args.name,
695                                                         trtype=args.trtype,
696                                                         traddr=args.traddr,
697                                                         adrfam=args.adrfam,
698                                                         trsvcid=args.trsvcid,
699                                                         priority=args.priority,
700                                                         subnqn=args.subnqn,
701                                                         hostnqn=args.hostnqn,
702                                                         hostaddr=args.hostaddr,
703                                                         hostsvcid=args.hostsvcid,
704                                                         prchk_reftag=args.prchk_reftag,
705                                                         prchk_guard=args.prchk_guard,
706                                                         hdgst=args.hdgst,
707                                                         ddgst=args.ddgst,
708                                                         fabrics_timeout=args.fabrics_timeout,
709                                                         multipath=args.multipath,
710                                                         num_io_queues=args.num_io_queues,
711                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
712                                                         reconnect_delay_sec=args.reconnect_delay_sec,
713                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
714                                                         psk=args.psk,
715                                                         max_bdevs=args.max_bdevs,
716                                                         dhchap_key=args.dhchap_key,
717                                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key))
718
719    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
720    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
721    p.add_argument('-t', '--trtype',
722                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
723    p.add_argument('-a', '--traddr',
724                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
725    p.add_argument('-f', '--adrfam',
726                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
727    p.add_argument('-s', '--trsvcid',
728                   help='NVMe-oF target trsvcid: e.g., a port number')
729    p.add_argument('-p', '--priority',
730                   help='NVMe-oF connection priority: e.g., a priority number')
731    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
732    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
733    p.add_argument('-i', '--hostaddr',
734                   help='NVMe-oF host address: e.g., an ip address')
735    p.add_argument('-c', '--hostsvcid',
736                   help='NVMe-oF host svcid: e.g., a port number')
737    p.add_argument('-r', '--prchk-reftag',
738                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
739    p.add_argument('-g', '--prchk-guard',
740                   help='Enable checking of PI guard for I/O processing.', action='store_true')
741    p.add_argument('-e', '--hdgst',
742                   help='Enable TCP header digest.', action='store_true')
743    p.add_argument('-d', '--ddgst',
744                   help='Enable TCP data digest.', action='store_true')
745    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
746    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
747    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
748    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
749                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
750                   -1 means infinite reconnect retries. 0 means no reconnect retry.
751                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
752                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
753                   reconnect_delay_sec.""",
754                   type=int)
755    p.add_argument('-o', '--reconnect-delay-sec',
756                   help="""Time to delay a reconnect retry.
757                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
758                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
759                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
760                   less than ctrlr_loss_timeout_sec.""",
761                   type=int)
762    p.add_argument('-u', '--fast-io-fail-timeout-sec',
763                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
764                   0 means no such timeout.
765                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
766                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
767                   type=int)
768    p.add_argument('-k', '--psk',
769                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
770                   name of a key attached to the keyring or a path to a file containig the key.  The
771                   latter method is deprecated.""")
772    p.add_argument('-m', '--max-bdevs', type=int,
773                   help='The size of the name array for newly created bdevs. Default is 128',)
774    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
775    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
776
777    p.set_defaults(func=bdev_nvme_attach_controller)
778
779    def bdev_nvme_get_controllers(args):
780        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
781                                                      name=args.name))
782
783    p = subparsers.add_parser(
784        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
785    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
786    p.set_defaults(func=bdev_nvme_get_controllers)
787
788    def bdev_nvme_detach_controller(args):
789        rpc.bdev.bdev_nvme_detach_controller(args.client,
790                                             name=args.name,
791                                             trtype=args.trtype,
792                                             traddr=args.traddr,
793                                             adrfam=args.adrfam,
794                                             trsvcid=args.trsvcid,
795                                             subnqn=args.subnqn,
796                                             hostaddr=args.hostaddr,
797                                             hostsvcid=args.hostsvcid)
798
799    p = subparsers.add_parser('bdev_nvme_detach_controller',
800                              help='Detach an NVMe controller and delete any associated bdevs')
801    p.add_argument('name', help="Name of the controller")
802    p.add_argument('-t', '--trtype',
803                   help='NVMe-oF target trtype: e.g., rdma, pcie')
804    p.add_argument('-a', '--traddr',
805                   help='NVMe-oF target address: e.g., an ip address or BDF')
806    p.add_argument('-f', '--adrfam',
807                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
808    p.add_argument('-s', '--trsvcid',
809                   help='NVMe-oF target trsvcid: e.g., a port number')
810    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
811    p.add_argument('-i', '--hostaddr',
812                   help='NVMe-oF host address: e.g., an ip address')
813    p.add_argument('-c', '--hostsvcid',
814                   help='NVMe-oF host svcid: e.g., a port number')
815    p.set_defaults(func=bdev_nvme_detach_controller)
816
817    def bdev_nvme_reset_controller(args):
818        rpc.bdev.bdev_nvme_reset_controller(args.client,
819                                            name=args.name,
820                                            cntlid=args.cntlid)
821
822    p = subparsers.add_parser('bdev_nvme_reset_controller',
823                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
824    p.add_argument('name', help="Name of the NVMe controller")
825    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
826    p.set_defaults(func=bdev_nvme_reset_controller)
827
828    def bdev_nvme_enable_controller(args):
829        rpc.bdev.bdev_nvme_enable_controller(args.client,
830                                             name=args.name,
831                                             cntlid=args.cntlid)
832
833    p = subparsers.add_parser('bdev_nvme_enable_controller',
834                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
835    p.add_argument('name', help="Name of the NVMe controller")
836    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
837    p.set_defaults(func=bdev_nvme_enable_controller)
838
839    def bdev_nvme_disable_controller(args):
840        rpc.bdev.bdev_nvme_disable_controller(args.client,
841                                              name=args.name,
842                                              cntlid=args.cntlid)
843
844    p = subparsers.add_parser('bdev_nvme_disable_controller',
845                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
846    p.add_argument('name', help="Name of the NVMe controller")
847    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
848    p.set_defaults(func=bdev_nvme_disable_controller)
849
850    def bdev_nvme_start_discovery(args):
851        rpc.bdev.bdev_nvme_start_discovery(args.client,
852                                           name=args.name,
853                                           trtype=args.trtype,
854                                           traddr=args.traddr,
855                                           adrfam=args.adrfam,
856                                           trsvcid=args.trsvcid,
857                                           hostnqn=args.hostnqn,
858                                           wait_for_attach=args.wait_for_attach,
859                                           attach_timeout_ms=args.attach_timeout_ms,
860                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
861                                           reconnect_delay_sec=args.reconnect_delay_sec,
862                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
863
864    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
865    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
866    p.add_argument('-t', '--trtype',
867                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
868    p.add_argument('-a', '--traddr',
869                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
870    p.add_argument('-f', '--adrfam',
871                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
872    p.add_argument('-s', '--trsvcid',
873                   help='NVMe-oF target trsvcid: e.g., a port number')
874    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
875    p.add_argument('-w', '--wait-for-attach', action='store_true',
876                   help='Do not complete RPC until all discovered NVM subsystems are attached')
877    p.add_argument('-T', '--attach-timeout-ms', type=int,
878                   help="""Time to wait until the discovery and all discovered NVM subsystems
879                        are attached (default: 0, meaning wait indefinitely).  Automatically
880                        selects the --wait-for-attach option.""")
881    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
882                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
883                   -1 means infinite reconnect retries. 0 means no reconnect retry.
884                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
885                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
886                   reconnect_delay_sec.""",
887                   type=int)
888    p.add_argument('-o', '--reconnect-delay-sec',
889                   help="""Time to delay a reconnect retry.
890                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
891                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
892                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
893                   less than ctrlr_loss_timeout_sec.""",
894                   type=int)
895    p.add_argument('-u', '--fast-io-fail-timeout-sec',
896                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
897                   0 means no such timeout.
898                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
899                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
900                   type=int)
901    p.set_defaults(func=bdev_nvme_start_discovery)
902
903    def bdev_nvme_stop_discovery(args):
904        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
905
906    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
907    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
908    p.set_defaults(func=bdev_nvme_stop_discovery)
909
910    def bdev_nvme_get_discovery_info(args):
911        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
912
913    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
914    p.set_defaults(func=bdev_nvme_get_discovery_info)
915
916    def bdev_nvme_get_io_paths(args):
917        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
918
919    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
920    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
921    p.set_defaults(func=bdev_nvme_get_io_paths)
922
923    def bdev_nvme_set_preferred_path(args):
924        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
925                                              name=args.name,
926                                              cntlid=args.cntlid)
927
928    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
929                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
930    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
931    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
932    p.set_defaults(func=bdev_nvme_set_preferred_path)
933
934    def bdev_nvme_set_multipath_policy(args):
935        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
936                                                name=args.name,
937                                                policy=args.policy,
938                                                selector=args.selector,
939                                                rr_min_io=args.rr_min_io)
940
941    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
942                              help="""Set multipath policy of the NVMe bdev""")
943    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
944    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
945    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
946    p.add_argument('-r', '--rr-min-io',
947                   help='Number of IO to route to a path before switching to another for round-robin',
948                   type=int)
949    p.set_defaults(func=bdev_nvme_set_multipath_policy)
950
951    def bdev_nvme_get_path_iostat(args):
952        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
953                                                      name=args.name))
954
955    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
956                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
957                              called when io_path_stat is true.""")
958    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
959    p.set_defaults(func=bdev_nvme_get_path_iostat)
960
961    def bdev_nvme_cuse_register(args):
962        rpc.bdev.bdev_nvme_cuse_register(args.client,
963                                         name=args.name)
964
965    p = subparsers.add_parser('bdev_nvme_cuse_register',
966                              help='Register CUSE devices on NVMe controller')
967    p.add_argument('-n', '--name',
968                   help='Name of the NVMe controller. Example: Nvme0', required=True)
969    p.set_defaults(func=bdev_nvme_cuse_register)
970
971    def bdev_nvme_cuse_unregister(args):
972        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
973                                           name=args.name)
974
975    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
976                              help='Unregister CUSE devices on NVMe controller')
977    p.add_argument('-n', '--name',
978                   help='Name of the NVMe controller. Example: Nvme0', required=True)
979    p.set_defaults(func=bdev_nvme_cuse_unregister)
980
981    def bdev_zone_block_create(args):
982        print_json(rpc.bdev.bdev_zone_block_create(args.client,
983                                                   name=args.name,
984                                                   base_bdev=args.base_bdev,
985                                                   zone_capacity=args.zone_capacity,
986                                                   optimal_open_zones=args.optimal_open_zones))
987
988    p = subparsers.add_parser('bdev_zone_block_create',
989                              help='Create virtual zone namespace device with block device backend')
990    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
991    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
992    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
993    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
994    p.set_defaults(func=bdev_zone_block_create)
995
996    def bdev_zone_block_delete(args):
997        rpc.bdev.bdev_zone_block_delete(args.client,
998                                        name=args.name)
999
1000    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
1001    p.add_argument('name', help='Virtual zone bdev name')
1002    p.set_defaults(func=bdev_zone_block_delete)
1003
1004    def bdev_rbd_register_cluster(args):
1005        config_param = None
1006        if args.config_param:
1007            config_param = {}
1008            for entry in args.config_param:
1009                parts = entry.split('=', 1)
1010                if len(parts) != 2:
1011                    raise Exception('--config %s not in key=value form' % entry)
1012                config_param[parts[0]] = parts[1]
1013        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1014                                                      name=args.name,
1015                                                      user_id=args.user,
1016                                                      config_param=config_param,
1017                                                      config_file=args.config_file,
1018                                                      key_file=args.key_file,
1019                                                      core_mask=args.core_mask))
1020
1021    p = subparsers.add_parser('bdev_rbd_register_cluster',
1022                              help='Add a Rados cluster with ceph rbd backend')
1023    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1024    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1025    p.add_argument('--config-param', action='append', metavar='key=value',
1026                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1027    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1028    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1029    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1030    p.set_defaults(func=bdev_rbd_register_cluster)
1031
1032    def bdev_rbd_unregister_cluster(args):
1033        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1034
1035    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1036                              help='Unregister a Rados cluster object')
1037    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1038    p.set_defaults(func=bdev_rbd_unregister_cluster)
1039
1040    def bdev_rbd_get_clusters_info(args):
1041        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1042
1043    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1044                              help='Display registered Rados Cluster names and related info')
1045    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1046    p.set_defaults(func=bdev_rbd_get_clusters_info)
1047
1048    def bdev_rbd_create(args):
1049        config = None
1050        if args.config:
1051            config = {}
1052            for entry in args.config:
1053                parts = entry.split('=', 1)
1054                if len(parts) != 2:
1055                    raise Exception('--config %s not in key=value form' % entry)
1056                config[parts[0]] = parts[1]
1057        print_json(rpc.bdev.bdev_rbd_create(args.client,
1058                                            name=args.name,
1059                                            user_id=args.user,
1060                                            config=config,
1061                                            pool_name=args.pool_name,
1062                                            rbd_name=args.rbd_name,
1063                                            block_size=args.block_size,
1064                                            cluster_name=args.cluster_name,
1065                                            uuid=args.uuid))
1066
1067    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1068    p.add_argument('-b', '--name', help="Name of the bdev")
1069    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1070    p.add_argument('--config', action='append', metavar='key=value',
1071                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1072    p.add_argument('pool_name', help='rbd pool name')
1073    p.add_argument('rbd_name', help='rbd image name')
1074    p.add_argument('block_size', help='rbd block size', type=int)
1075    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1076    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1077    p.set_defaults(func=bdev_rbd_create)
1078
1079    def bdev_rbd_delete(args):
1080        rpc.bdev.bdev_rbd_delete(args.client,
1081                                 name=args.name)
1082
1083    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1084    p.add_argument('name', help='rbd bdev name')
1085    p.set_defaults(func=bdev_rbd_delete)
1086
1087    def bdev_rbd_resize(args):
1088        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1089                                            name=args.name,
1090                                            new_size=int(args.new_size)))
1091
1092    p = subparsers.add_parser('bdev_rbd_resize',
1093                              help='Resize a rbd bdev')
1094    p.add_argument('name', help='rbd bdev name')
1095    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1096    p.set_defaults(func=bdev_rbd_resize)
1097
1098    def bdev_delay_create(args):
1099        print_json(rpc.bdev.bdev_delay_create(args.client,
1100                                              base_bdev_name=args.base_bdev_name,
1101                                              name=args.name,
1102                                              uuid=args.uuid,
1103                                              avg_read_latency=args.avg_read_latency,
1104                                              p99_read_latency=args.nine_nine_read_latency,
1105                                              avg_write_latency=args.avg_write_latency,
1106                                              p99_write_latency=args.nine_nine_write_latency))
1107
1108    p = subparsers.add_parser('bdev_delay_create',
1109                              help='Add a delay bdev on existing bdev')
1110    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1111    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1112    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1113    p.add_argument('-r', '--avg-read-latency',
1114                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1115    p.add_argument('-t', '--nine-nine-read-latency',
1116                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1117    p.add_argument('-w', '--avg-write-latency',
1118                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1119    p.add_argument('-n', '--nine-nine-write-latency',
1120                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1121    p.set_defaults(func=bdev_delay_create)
1122
1123    def bdev_delay_delete(args):
1124        rpc.bdev.bdev_delay_delete(args.client,
1125                                   name=args.name)
1126
1127    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1128    p.add_argument('name', help='delay bdev name')
1129    p.set_defaults(func=bdev_delay_delete)
1130
1131    def bdev_delay_update_latency(args):
1132        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1133                                                      delay_bdev_name=args.delay_bdev_name,
1134                                                      latency_type=args.latency_type,
1135                                                      latency_us=args.latency_us))
1136    p = subparsers.add_parser('bdev_delay_update_latency',
1137                              help='Update one of the latency values for a given delay bdev')
1138    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1139    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1140    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1141    p.set_defaults(func=bdev_delay_update_latency)
1142
1143    def bdev_error_create(args):
1144        print_json(rpc.bdev.bdev_error_create(args.client,
1145                                              base_name=args.base_name,
1146                                              uuid=args.uuid))
1147
1148    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1149    p.add_argument('base_name', help='base bdev name')
1150    p.add_argument('--uuid', help='UUID for this bdev')
1151    p.set_defaults(func=bdev_error_create)
1152
1153    def bdev_error_delete(args):
1154        rpc.bdev.bdev_error_delete(args.client,
1155                                   name=args.name)
1156
1157    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1158    p.add_argument('name', help='error bdev name')
1159    p.set_defaults(func=bdev_error_delete)
1160
1161    def bdev_iscsi_set_options(args):
1162        rpc.bdev.bdev_iscsi_set_options(args.client,
1163                                        timeout_sec=args.timeout_sec)
1164
1165    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1166    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1167    p.set_defaults(func=bdev_iscsi_set_options)
1168
1169    def bdev_iscsi_create(args):
1170        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1171                                              name=args.name,
1172                                              url=args.url,
1173                                              initiator_iqn=args.initiator_iqn))
1174
1175    p = subparsers.add_parser('bdev_iscsi_create',
1176                              help='Add bdev with iSCSI initiator backend')
1177    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1178    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1179    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1180    p.set_defaults(func=bdev_iscsi_create)
1181
1182    def bdev_iscsi_delete(args):
1183        rpc.bdev.bdev_iscsi_delete(args.client,
1184                                   name=args.name)
1185
1186    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1187    p.add_argument('name', help='iSCSI bdev name')
1188    p.set_defaults(func=bdev_iscsi_delete)
1189
1190    def bdev_passthru_create(args):
1191        print_json(rpc.bdev.bdev_passthru_create(args.client,
1192                                                 base_bdev_name=args.base_bdev_name,
1193                                                 name=args.name,
1194                                                 uuid=args.uuid))
1195
1196    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1197    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1198    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1199    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1200    p.set_defaults(func=bdev_passthru_create)
1201
1202    def bdev_passthru_delete(args):
1203        rpc.bdev.bdev_passthru_delete(args.client,
1204                                      name=args.name)
1205
1206    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1207    p.add_argument('name', help='pass through bdev name')
1208    p.set_defaults(func=bdev_passthru_delete)
1209
1210    def bdev_get_bdevs(args):
1211        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1212                                           name=args.name, timeout=args.timeout_ms))
1213
1214    p = subparsers.add_parser('bdev_get_bdevs',
1215                              help='Display current blockdev list or required blockdev')
1216    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1217    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1218    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1219    whether the bdev exists or not.""",
1220                   type=int)
1221    p.set_defaults(func=bdev_get_bdevs)
1222
1223    def bdev_get_iostat(args):
1224        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1225                                            name=args.name,
1226                                            per_channel=args.per_channel))
1227
1228    p = subparsers.add_parser('bdev_get_iostat',
1229                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1230    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1231    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1232                   action='store_true')
1233    p.set_defaults(func=bdev_get_iostat)
1234
1235    def bdev_reset_iostat(args):
1236        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1237
1238    p = subparsers.add_parser('bdev_reset_iostat',
1239                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1240    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1241    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1242    p.set_defaults(func=bdev_reset_iostat)
1243
1244    def bdev_enable_histogram(args):
1245        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1246
1247    p = subparsers.add_parser('bdev_enable_histogram',
1248                              help='Enable or disable histogram for specified bdev')
1249    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1250    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1251    p.add_argument('name', help='bdev name')
1252    p.set_defaults(func=bdev_enable_histogram)
1253
1254    def bdev_get_histogram(args):
1255        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1256
1257    p = subparsers.add_parser('bdev_get_histogram',
1258                              help='Get histogram for specified bdev')
1259    p.add_argument('name', help='bdev name')
1260    p.set_defaults(func=bdev_get_histogram)
1261
1262    def bdev_set_qd_sampling_period(args):
1263        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1264                                             name=args.name,
1265                                             period=args.period)
1266
1267    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1268                              help="Enable or disable tracking of a bdev's queue depth.")
1269    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1270    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1271                   ' If set to 0, polling will be disabled.',
1272                   type=int)
1273    p.set_defaults(func=bdev_set_qd_sampling_period)
1274
1275    def bdev_set_qos_limit(args):
1276        rpc.bdev.bdev_set_qos_limit(args.client,
1277                                    name=args.name,
1278                                    rw_ios_per_sec=args.rw_ios_per_sec,
1279                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1280                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1281                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1282
1283    p = subparsers.add_parser('bdev_set_qos_limit',
1284                              help='Set QoS rate limit on a blockdev')
1285    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1286    p.add_argument('--rw-ios-per-sec',
1287                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1288                   type=int)
1289    p.add_argument('--rw-mbytes-per-sec',
1290                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1291                   type=int)
1292    p.add_argument('--r-mbytes-per-sec',
1293                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1294                   type=int)
1295    p.add_argument('--w-mbytes-per-sec',
1296                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1297                   type=int)
1298    p.set_defaults(func=bdev_set_qos_limit)
1299
1300    def bdev_error_inject_error(args):
1301        rpc.bdev.bdev_error_inject_error(args.client,
1302                                         name=args.name,
1303                                         io_type=args.io_type,
1304                                         error_type=args.error_type,
1305                                         num=args.num,
1306                                         queue_depth=args.queue_depth,
1307                                         corrupt_offset=args.corrupt_offset,
1308                                         corrupt_value=args.corrupt_value)
1309
1310    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1311    p.add_argument('name', help="""the name of the error injection bdev""")
1312    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1313    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1314    p.add_argument(
1315        '-n', '--num', help='the number of commands you want to fail', type=int)
1316    p.add_argument(
1317        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1318    p.add_argument(
1319        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1320    p.add_argument(
1321        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1322    p.set_defaults(func=bdev_error_inject_error)
1323
1324    def bdev_nvme_apply_firmware(args):
1325        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1326                                                     bdev_name=args.bdev_name,
1327                                                     filename=args.filename))
1328
1329    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1330    p.add_argument('filename', help='filename of the firmware to download')
1331    p.add_argument('bdev_name', help='name of the NVMe device')
1332    p.set_defaults(func=bdev_nvme_apply_firmware)
1333
1334    def bdev_nvme_get_transport_statistics(args):
1335        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1336
1337    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1338                              help='Get bdev_nvme poll group transport statistics')
1339    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1340
1341    def bdev_nvme_get_controller_health_info(args):
1342        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1343                                                                 name=args.name))
1344
1345    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1346                              help='Display health log of the required NVMe bdev controller.')
1347    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1348    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1349
1350    # iSCSI
1351    def iscsi_set_options(args):
1352        rpc.iscsi.iscsi_set_options(
1353            args.client,
1354            auth_file=args.auth_file,
1355            node_base=args.node_base,
1356            nop_timeout=args.nop_timeout,
1357            nop_in_interval=args.nop_in_interval,
1358            disable_chap=args.disable_chap,
1359            require_chap=args.require_chap,
1360            mutual_chap=args.mutual_chap,
1361            chap_group=args.chap_group,
1362            max_sessions=args.max_sessions,
1363            max_queue_depth=args.max_queue_depth,
1364            max_connections_per_session=args.max_connections_per_session,
1365            default_time2wait=args.default_time2wait,
1366            default_time2retain=args.default_time2retain,
1367            first_burst_length=args.first_burst_length,
1368            immediate_data=args.immediate_data,
1369            error_recovery_level=args.error_recovery_level,
1370            allow_duplicated_isid=args.allow_duplicated_isid,
1371            max_large_datain_per_connection=args.max_large_datain_per_connection,
1372            max_r2t_per_connection=args.max_r2t_per_connection,
1373            pdu_pool_size=args.pdu_pool_size,
1374            immediate_data_pool_size=args.immediate_data_pool_size,
1375            data_out_pool_size=args.data_out_pool_size)
1376
1377    p = subparsers.add_parser('iscsi_set_options',
1378                              help="""Set options of iSCSI subsystem""")
1379    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1380    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1381    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1382    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1383    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1384    *** Mutually exclusive with --require-chap""", action='store_true')
1385    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1386    *** Mutually exclusive with --disable-chap""", action='store_true')
1387    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1388    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1389    *** Authentication group must be precreated ***""", type=int)
1390    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1391    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1392    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1393    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1394    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1395    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1396    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1397    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1398    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1399    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1400    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1401    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1402    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1403    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1404    p.set_defaults(func=iscsi_set_options)
1405
1406    def iscsi_set_discovery_auth(args):
1407        rpc.iscsi.iscsi_set_discovery_auth(
1408            args.client,
1409            disable_chap=args.disable_chap,
1410            require_chap=args.require_chap,
1411            mutual_chap=args.mutual_chap,
1412            chap_group=args.chap_group)
1413
1414    p = subparsers.add_parser('iscsi_set_discovery_auth',
1415                              help="""Set CHAP authentication for discovery session.""")
1416    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1417    *** Mutually exclusive with --require-chap""", action='store_true')
1418    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1419    *** Mutually exclusive with --disable-chap""", action='store_true')
1420    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1421    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1422    *** Authentication group must be precreated ***""", type=int)
1423    p.set_defaults(func=iscsi_set_discovery_auth)
1424
1425    def iscsi_create_auth_group(args):
1426        secrets = None
1427        if args.secrets:
1428            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1429
1430        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1431
1432    p = subparsers.add_parser('iscsi_create_auth_group',
1433                              help='Create authentication group for CHAP authentication.')
1434    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1435    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1436<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1437Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1438    p.set_defaults(func=iscsi_create_auth_group)
1439
1440    def iscsi_delete_auth_group(args):
1441        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1442
1443    p = subparsers.add_parser('iscsi_delete_auth_group',
1444                              help='Delete an authentication group.')
1445    p.add_argument('tag', help='Authentication group tag', type=int)
1446    p.set_defaults(func=iscsi_delete_auth_group)
1447
1448    def iscsi_auth_group_add_secret(args):
1449        rpc.iscsi.iscsi_auth_group_add_secret(
1450            args.client,
1451            tag=args.tag,
1452            user=args.user,
1453            secret=args.secret,
1454            muser=args.muser,
1455            msecret=args.msecret)
1456
1457    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1458                              help='Add a secret to an authentication group.')
1459    p.add_argument('tag', help='Authentication group tag', type=int)
1460    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1461    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1462    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1463    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1464    p.set_defaults(func=iscsi_auth_group_add_secret)
1465
1466    def iscsi_auth_group_remove_secret(args):
1467        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1468
1469    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1470                              help='Remove a secret from an authentication group.')
1471    p.add_argument('tag', help='Authentication group tag', type=int)
1472    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1473    p.set_defaults(func=iscsi_auth_group_remove_secret)
1474
1475    def iscsi_get_auth_groups(args):
1476        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1477
1478    p = subparsers.add_parser('iscsi_get_auth_groups',
1479                              help='Display current authentication group configuration')
1480    p.set_defaults(func=iscsi_get_auth_groups)
1481
1482    def iscsi_get_portal_groups(args):
1483        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1484
1485    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1486    p.set_defaults(func=iscsi_get_portal_groups)
1487
1488    def iscsi_get_initiator_groups(args):
1489        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1490
1491    p = subparsers.add_parser('iscsi_get_initiator_groups',
1492                              help='Display current initiator group configuration')
1493    p.set_defaults(func=iscsi_get_initiator_groups)
1494
1495    def iscsi_get_target_nodes(args):
1496        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1497
1498    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1499    p.set_defaults(func=iscsi_get_target_nodes)
1500
1501    def iscsi_enable_histogram(args):
1502        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1503
1504    p = subparsers.add_parser('iscsi_enable_histogram',
1505                              help='Enable or disable histogram for specified iscsi target')
1506    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1507    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1508    p.add_argument('name', help='iscsi target name')
1509    p.set_defaults(func=iscsi_enable_histogram)
1510
1511    def iscsi_get_histogram(args):
1512        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1513
1514    p = subparsers.add_parser('iscsi_get_histogram',
1515                              help='Get histogram for specified iscsi target')
1516    p.add_argument('name', help='target name')
1517    p.set_defaults(func=iscsi_get_histogram)
1518
1519    def iscsi_create_target_node(args):
1520        luns = []
1521        for u in args.bdev_name_id_pairs.strip().split(" "):
1522            bdev_name, lun_id = u.split(":")
1523            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1524
1525        pg_ig_maps = []
1526        for u in args.pg_ig_mappings.strip().split(" "):
1527            pg, ig = u.split(":")
1528            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1529
1530        rpc.iscsi.iscsi_create_target_node(
1531            args.client,
1532            luns=luns,
1533            pg_ig_maps=pg_ig_maps,
1534            name=args.name,
1535            alias_name=args.alias_name,
1536            queue_depth=args.queue_depth,
1537            chap_group=args.chap_group,
1538            disable_chap=args.disable_chap,
1539            require_chap=args.require_chap,
1540            mutual_chap=args.mutual_chap,
1541            header_digest=args.header_digest,
1542            data_digest=args.data_digest)
1543
1544    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1545    p.add_argument('name', help='Target node name (ASCII)')
1546    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1547    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1548    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1549    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1550    *** The bdevs must pre-exist ***
1551    *** LUN0 (id = 0) is required ***
1552    *** bdevs names cannot contain space or colon characters ***""")
1553    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1554    Whitespace separated, quoted, mapping defined with colon
1555    separated list of "tags" (int > 0)
1556    Example: '1:1 2:2 2:1'
1557    *** The Portal/Initiator Groups must be precreated ***""")
1558    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1559    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1560    *** Authentication group must be precreated ***""", type=int)
1561    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1562    *** Mutually exclusive with --require-chap ***""", action='store_true')
1563    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1564    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1565    p.add_argument(
1566        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1567    p.add_argument('-H', '--header-digest',
1568                   help='Header Digest should be required for this target node.', action='store_true')
1569    p.add_argument('-D', '--data-digest',
1570                   help='Data Digest should be required for this target node.', action='store_true')
1571    p.set_defaults(func=iscsi_create_target_node)
1572
1573    def iscsi_target_node_add_lun(args):
1574        rpc.iscsi.iscsi_target_node_add_lun(
1575            args.client,
1576            name=args.name,
1577            bdev_name=args.bdev_name,
1578            lun_id=args.lun_id)
1579
1580    p = subparsers.add_parser('iscsi_target_node_add_lun',
1581                              help='Add LUN to the target node')
1582    p.add_argument('name', help='Target node name (ASCII)')
1583    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1584    *** bdev name cannot contain space or colon characters ***""")
1585    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1586    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1587    p.set_defaults(func=iscsi_target_node_add_lun)
1588
1589    def iscsi_target_node_set_auth(args):
1590        rpc.iscsi.iscsi_target_node_set_auth(
1591            args.client,
1592            name=args.name,
1593            chap_group=args.chap_group,
1594            disable_chap=args.disable_chap,
1595            require_chap=args.require_chap,
1596            mutual_chap=args.mutual_chap)
1597
1598    p = subparsers.add_parser('iscsi_target_node_set_auth',
1599                              help='Set CHAP authentication for the target node')
1600    p.add_argument('name', help='Target node name (ASCII)')
1601    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1602    *** Authentication group must be precreated ***""", type=int)
1603    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1604    *** Mutually exclusive with --require-chap ***""", action='store_true')
1605    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1606    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1607    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1608                   action='store_true')
1609    p.set_defaults(func=iscsi_target_node_set_auth)
1610
1611    def iscsi_target_node_add_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_add_pg_ig_maps(
1617            args.client,
1618            pg_ig_maps=pg_ig_maps,
1619            name=args.name)
1620
1621    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1622                              help='Add PG-IG maps to the target node')
1623    p.add_argument('name', help='Target node name (ASCII)')
1624    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1625    Whitespace separated, quoted, mapping defined with colon
1626    separated list of "tags" (int > 0)
1627    Example: '1:1 2:2 2:1'
1628    *** The Portal/Initiator Groups must be precreated ***""")
1629    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1630
1631    def iscsi_target_node_remove_pg_ig_maps(args):
1632        pg_ig_maps = []
1633        for u in args.pg_ig_mappings.strip().split(" "):
1634            pg, ig = u.split(":")
1635            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1636        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1637            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1638
1639    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1640                              help='Delete PG-IG maps from the target node')
1641    p.add_argument('name', help='Target node name (ASCII)')
1642    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1643    Whitespace separated, quoted, mapping defined with colon
1644    separated list of "tags" (int > 0)
1645    Example: '1:1 2:2 2:1'
1646    *** The Portal/Initiator Groups must be precreated ***""")
1647    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1648
1649    def iscsi_target_node_set_redirect(args):
1650        rpc.iscsi.iscsi_target_node_set_redirect(
1651            args.client,
1652            name=args.name,
1653            pg_tag=args.pg_tag,
1654            redirect_host=args.redirect_host,
1655            redirect_port=args.redirect_port)
1656
1657    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1658                              help="""Update redirect portal of the public portal group for the target node.
1659    Omit redirect host and port to clear previously set redirect settings.""")
1660    p.add_argument('name', help='Target node name (ASCII)')
1661    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1662    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1663    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1664    p.set_defaults(func=iscsi_target_node_set_redirect)
1665
1666    def iscsi_target_node_request_logout(args):
1667        rpc.iscsi.iscsi_target_node_request_logout(
1668            args.client,
1669            name=args.name,
1670            pg_tag=args.pg_tag)
1671
1672    p = subparsers.add_parser('iscsi_target_node_request_logout',
1673                              help="""For the target node, request connections whose portal group tag
1674    match to logout, or request all connections if portal group tag is omitted.""")
1675    p.add_argument('name', help='Target node name (ASCII)')
1676    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1677    p.set_defaults(func=iscsi_target_node_request_logout)
1678
1679    def iscsi_create_portal_group(args):
1680        portals = []
1681        for p in args.portal_list.strip().split(' '):
1682            ip, separator, port_cpumask = p.rpartition(':')
1683            split_port_cpumask = port_cpumask.split('@')
1684            if len(split_port_cpumask) == 1:
1685                port = port_cpumask
1686                portals.append({'host': ip, 'port': port})
1687            else:
1688                port = split_port_cpumask[0]
1689                cpumask = split_port_cpumask[1]
1690                portals.append({'host': ip, 'port': port})
1691                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1692        rpc.iscsi.iscsi_create_portal_group(
1693            args.client,
1694            portals=portals,
1695            tag=args.tag,
1696            private=args.private,
1697            wait=args.wait)
1698
1699    p = subparsers.add_parser('iscsi_create_portal_group',
1700                              help='Add a portal group')
1701    p.add_argument(
1702        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1703    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1704    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1705    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1706    Private portal groups do not have their portals returned by a discovery session. A public
1707    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1708    portal must be from a private portal group.""", action='store_true')
1709    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1710    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1711    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1712    p.set_defaults(func=iscsi_create_portal_group)
1713
1714    def iscsi_start_portal_group(args):
1715        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1716
1717    p = subparsers.add_parser('iscsi_start_portal_group',
1718                              help='Start listening on portals if it is not started yet.')
1719    p.add_argument(
1720        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1721    p.set_defaults(func=iscsi_start_portal_group)
1722
1723    def iscsi_create_initiator_group(args):
1724        initiators = []
1725        netmasks = []
1726        for i in args.initiator_list.strip().split(' '):
1727            initiators.append(i)
1728        for n in args.netmask_list.strip().split(' '):
1729            netmasks.append(n)
1730        rpc.iscsi.iscsi_create_initiator_group(
1731            args.client,
1732            tag=args.tag,
1733            initiators=initiators,
1734            netmasks=netmasks)
1735
1736    p = subparsers.add_parser('iscsi_create_initiator_group',
1737                              help='Add an initiator group')
1738    p.add_argument(
1739        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1740    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1741    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1742    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1743    Example: '255.255.0.0 255.248.0.0' etc""")
1744    p.set_defaults(func=iscsi_create_initiator_group)
1745
1746    def iscsi_initiator_group_add_initiators(args):
1747        initiators = None
1748        netmasks = None
1749        if args.initiator_list:
1750            initiators = []
1751            for i in args.initiator_list.strip().split(' '):
1752                initiators.append(i)
1753        if args.netmask_list:
1754            netmasks = []
1755            for n in args.netmask_list.strip().split(' '):
1756                netmasks.append(n)
1757        rpc.iscsi.iscsi_initiator_group_add_initiators(
1758            args.client,
1759            tag=args.tag,
1760            initiators=initiators,
1761            netmasks=netmasks)
1762
1763    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1764                              help='Add initiators to an existing initiator group')
1765    p.add_argument(
1766        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1767    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1768    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1769    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1770    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1771    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1772    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1773
1774    def iscsi_initiator_group_remove_initiators(args):
1775        initiators = None
1776        netmasks = None
1777        if args.initiator_list:
1778            initiators = []
1779            for i in args.initiator_list.strip().split(' '):
1780                initiators.append(i)
1781        if args.netmask_list:
1782            netmasks = []
1783            for n in args.netmask_list.strip().split(' '):
1784                netmasks.append(n)
1785        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1786            args.client,
1787            tag=args.tag,
1788            initiators=initiators,
1789            netmasks=netmasks)
1790
1791    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1792                              help='Delete initiators from an existing initiator group')
1793    p.add_argument(
1794        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1795    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1796    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1797    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1798    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1799    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1800    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1801
1802    def iscsi_delete_target_node(args):
1803        rpc.iscsi.iscsi_delete_target_node(
1804            args.client, target_node_name=args.target_node_name)
1805
1806    p = subparsers.add_parser('iscsi_delete_target_node',
1807                              help='Delete a target node')
1808    p.add_argument('target_node_name',
1809                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1810    p.set_defaults(func=iscsi_delete_target_node)
1811
1812    def iscsi_delete_portal_group(args):
1813        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1814
1815    p = subparsers.add_parser('iscsi_delete_portal_group',
1816                              help='Delete a portal group')
1817    p.add_argument(
1818        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1819    p.set_defaults(func=iscsi_delete_portal_group)
1820
1821    def iscsi_delete_initiator_group(args):
1822        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1823
1824    p = subparsers.add_parser('iscsi_delete_initiator_group',
1825                              help='Delete an initiator group')
1826    p.add_argument(
1827        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1828    p.set_defaults(func=iscsi_delete_initiator_group)
1829
1830    def iscsi_portal_group_set_auth(args):
1831        rpc.iscsi.iscsi_portal_group_set_auth(
1832            args.client,
1833            tag=args.tag,
1834            chap_group=args.chap_group,
1835            disable_chap=args.disable_chap,
1836            require_chap=args.require_chap,
1837            mutual_chap=args.mutual_chap)
1838
1839    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1840                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1841    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1842    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1843    *** Authentication group must be precreated ***""", type=int)
1844    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1845    *** Mutually exclusive with --require-chap ***""", action='store_true')
1846    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1847    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1848    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1849                   action='store_true')
1850    p.set_defaults(func=iscsi_portal_group_set_auth)
1851
1852    def iscsi_get_connections(args):
1853        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1854
1855    p = subparsers.add_parser('iscsi_get_connections',
1856                              help='Display iSCSI connections')
1857    p.set_defaults(func=iscsi_get_connections)
1858
1859    def iscsi_get_stats(args):
1860        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1861
1862    p = subparsers.add_parser('iscsi_get_stats',
1863                              help='Display stat information of iSCSI connections.')
1864    p.set_defaults(func=iscsi_get_stats)
1865
1866    def iscsi_get_options(args):
1867        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1868
1869    p = subparsers.add_parser('iscsi_get_options',
1870                              help='Display iSCSI global parameters')
1871    p.set_defaults(func=iscsi_get_options)
1872
1873    def scsi_get_devices(args):
1874        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1875
1876    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1877    p.set_defaults(func=scsi_get_devices)
1878
1879    # trace
1880    def trace_enable_tpoint_group(args):
1881        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1882
1883    p = subparsers.add_parser('trace_enable_tpoint_group',
1884                              help='enable trace 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, "all" for all trace groups).""")
1888    p.set_defaults(func=trace_enable_tpoint_group)
1889
1890    def trace_disable_tpoint_group(args):
1891        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1892
1893    p = subparsers.add_parser('trace_disable_tpoint_group',
1894                              help='disable trace on a specific tpoint group')
1895    p.add_argument(
1896        'name', help="""trace group name we want to disable in tpoint_group_mask.
1897        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1898    p.set_defaults(func=trace_disable_tpoint_group)
1899
1900    def trace_set_tpoint_mask(args):
1901        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1902
1903    p = subparsers.add_parser('trace_set_tpoint_mask',
1904                              help='enable tracepoint mask on a specific tpoint group')
1905    p.add_argument(
1906        'name', help="""trace group name we want to enable in tpoint_group_mask.
1907        (for example "bdev" for bdev trace group)""")
1908    p.add_argument(
1909        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1910        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1911        type=lambda m: int(m, 16))
1912    p.set_defaults(func=trace_set_tpoint_mask)
1913
1914    def trace_clear_tpoint_mask(args):
1915        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1916
1917    p = subparsers.add_parser('trace_clear_tpoint_mask',
1918                              help='disable tracepoint mask on a specific tpoint group')
1919    p.add_argument(
1920        'name', help="""trace group name we want to disable in tpoint_group_mask.
1921        (for example "bdev" for bdev trace group)""")
1922    p.add_argument(
1923        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1924        (for example value of "0x3" will disable the first two tpoints in this group)""",
1925        type=lambda m: int(m, 16))
1926    p.set_defaults(func=trace_clear_tpoint_mask)
1927
1928    def trace_get_tpoint_group_mask(args):
1929        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1930
1931    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1932    p.set_defaults(func=trace_get_tpoint_group_mask)
1933
1934    def trace_get_info(args):
1935        print_dict(rpc.trace.trace_get_info(args.client))
1936
1937    p = subparsers.add_parser('trace_get_info',
1938                              help='get name of shared memory file and list of the available trace point groups')
1939    p.set_defaults(func=trace_get_info)
1940
1941    # log
1942    def log_set_flag(args):
1943        rpc.log.log_set_flag(args.client, flag=args.flag)
1944
1945    p = subparsers.add_parser('log_set_flag', help='set log flag')
1946    p.add_argument(
1947        'flag', help='log flag we want to set. (for example "nvme").')
1948    p.set_defaults(func=log_set_flag)
1949
1950    def log_clear_flag(args):
1951        rpc.log.log_clear_flag(args.client, flag=args.flag)
1952
1953    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1954    p.add_argument(
1955        'flag', help='log flag we want to clear. (for example "nvme").')
1956    p.set_defaults(func=log_clear_flag)
1957
1958    def log_get_flags(args):
1959        print_dict(rpc.log.log_get_flags(args.client))
1960
1961    p = subparsers.add_parser('log_get_flags', help='get log flags')
1962    p.set_defaults(func=log_get_flags)
1963
1964    def log_set_level(args):
1965        rpc.log.log_set_level(args.client, level=args.level)
1966
1967    p = subparsers.add_parser('log_set_level', help='set log level')
1968    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1969    p.set_defaults(func=log_set_level)
1970
1971    def log_get_level(args):
1972        print_dict(rpc.log.log_get_level(args.client))
1973
1974    p = subparsers.add_parser('log_get_level', help='get log level')
1975    p.set_defaults(func=log_get_level)
1976
1977    def log_set_print_level(args):
1978        rpc.log.log_set_print_level(args.client, level=args.level)
1979
1980    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1981    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1982    p.set_defaults(func=log_set_print_level)
1983
1984    def log_get_print_level(args):
1985        print_dict(rpc.log.log_get_print_level(args.client))
1986
1987    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1988    p.set_defaults(func=log_get_print_level)
1989
1990    # lvol
1991    def bdev_lvol_create_lvstore(args):
1992        # The default unmap clear method may take over 60.0 sec.
1993        if args.timeout is None:
1994            args.client.timeout = 90.0
1995        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1996                                                     bdev_name=args.bdev_name,
1997                                                     lvs_name=args.lvs_name,
1998                                                     cluster_sz=args.cluster_sz,
1999                                                     clear_method=args.clear_method,
2000                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
2001
2002    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2003    p.add_argument('bdev_name', help='base bdev name')
2004    p.add_argument('lvs_name', help='name for lvol store')
2005    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2006    p.add_argument('--clear-method', help="""Change clear method for data region.
2007        Available: none, unmap, write_zeroes""")
2008    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2009    p.set_defaults(func=bdev_lvol_create_lvstore)
2010
2011    def bdev_lvol_rename_lvstore(args):
2012        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2013                                          old_name=args.old_name,
2014                                          new_name=args.new_name)
2015
2016    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2017    p.add_argument('old_name', help='old name')
2018    p.add_argument('new_name', help='new name')
2019    p.set_defaults(func=bdev_lvol_rename_lvstore)
2020
2021    def bdev_lvol_grow_lvstore(args):
2022        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2023                                                   uuid=args.uuid,
2024                                                   lvs_name=args.lvs_name))
2025
2026    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2027                              help='Grow the lvstore size to the underlying bdev size')
2028    p.add_argument('-u', '--uuid', help='lvol store UUID')
2029    p.add_argument('-l', '--lvs-name', help='lvol store name')
2030    p.set_defaults(func=bdev_lvol_grow_lvstore)
2031
2032    def bdev_lvol_create(args):
2033        print_json(rpc.lvol.bdev_lvol_create(args.client,
2034                                             lvol_name=args.lvol_name,
2035                                             size_in_mib=args.size_in_mib,
2036                                             thin_provision=args.thin_provision,
2037                                             clear_method=args.clear_method,
2038                                             uuid=args.uuid,
2039                                             lvs_name=args.lvs_name))
2040
2041    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2042    p.add_argument('-u', '--uuid', help='lvol store UUID')
2043    p.add_argument('-l', '--lvs-name', help='lvol store name')
2044    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2045    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2046        Available: none, unmap, write_zeroes""")
2047    p.add_argument('lvol_name', help='name for this lvol')
2048    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2049    p.set_defaults(func=bdev_lvol_create)
2050
2051    def bdev_lvol_snapshot(args):
2052        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2053                                               lvol_name=args.lvol_name,
2054                                               snapshot_name=args.snapshot_name))
2055
2056    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2057    p.add_argument('lvol_name', help='lvol bdev name')
2058    p.add_argument('snapshot_name', help='lvol snapshot name')
2059    p.set_defaults(func=bdev_lvol_snapshot)
2060
2061    def bdev_lvol_clone(args):
2062        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2063                                            snapshot_name=args.snapshot_name,
2064                                            clone_name=args.clone_name))
2065
2066    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2067    p.add_argument('snapshot_name', help='lvol snapshot name')
2068    p.add_argument('clone_name', help='lvol clone name')
2069    p.set_defaults(func=bdev_lvol_clone)
2070
2071    def bdev_lvol_clone_bdev(args):
2072        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2073                                                 bdev=args.bdev,
2074                                                 lvs_name=args.lvs_name,
2075                                                 clone_name=args.clone_name))
2076
2077    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2078                              help='Create a clone of a non-lvol bdev')
2079    p.add_argument('bdev', help='bdev to clone')
2080    p.add_argument('lvs_name', help='logical volume store name')
2081    p.add_argument('clone_name', help='lvol clone name')
2082    p.set_defaults(func=bdev_lvol_clone_bdev)
2083
2084    def bdev_lvol_rename(args):
2085        rpc.lvol.bdev_lvol_rename(args.client,
2086                                  old_name=args.old_name,
2087                                  new_name=args.new_name)
2088
2089    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2090    p.add_argument('old_name', help='lvol bdev name')
2091    p.add_argument('new_name', help='new lvol name')
2092    p.set_defaults(func=bdev_lvol_rename)
2093
2094    def bdev_lvol_inflate(args):
2095        rpc.lvol.bdev_lvol_inflate(args.client,
2096                                   name=args.name)
2097
2098    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2099    p.add_argument('name', help='lvol bdev name')
2100    p.set_defaults(func=bdev_lvol_inflate)
2101
2102    def bdev_lvol_decouple_parent(args):
2103        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2104                                           name=args.name)
2105
2106    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2107    p.add_argument('name', help='lvol bdev name')
2108    p.set_defaults(func=bdev_lvol_decouple_parent)
2109
2110    def bdev_lvol_resize(args):
2111        rpc.lvol.bdev_lvol_resize(args.client,
2112                                  name=args.name,
2113                                  size_in_mib=args.size_in_mib)
2114
2115    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2116    p.add_argument('name', help='lvol bdev name')
2117    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2118    p.set_defaults(func=bdev_lvol_resize)
2119
2120    def bdev_lvol_set_read_only(args):
2121        rpc.lvol.bdev_lvol_set_read_only(args.client,
2122                                         name=args.name)
2123
2124    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2125    p.add_argument('name', help='lvol bdev name')
2126    p.set_defaults(func=bdev_lvol_set_read_only)
2127
2128    def bdev_lvol_delete(args):
2129        rpc.lvol.bdev_lvol_delete(args.client,
2130                                  name=args.name)
2131
2132    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2133    p.add_argument('name', help='lvol bdev name')
2134    p.set_defaults(func=bdev_lvol_delete)
2135
2136    def bdev_lvol_start_shallow_copy(args):
2137        print_json(rpc.lvol.bdev_lvol_start_shallow_copy(args.client,
2138                                                         src_lvol_name=args.src_lvol_name,
2139                                                         dst_bdev_name=args.dst_bdev_name))
2140
2141    p = subparsers.add_parser('bdev_lvol_start_shallow_copy',
2142                              help="""Start a shallow copy of an lvol over a given bdev.  The status of the operation
2143    can be obtained with bdev_lvol_check_shallow_copy""")
2144    p.add_argument('src_lvol_name', help='source lvol name')
2145    p.add_argument('dst_bdev_name', help='destination bdev name')
2146    p.set_defaults(func=bdev_lvol_start_shallow_copy)
2147
2148    def bdev_lvol_check_shallow_copy(args):
2149        print_json(rpc.lvol.bdev_lvol_check_shallow_copy(args.client,
2150                                                         operation_id=args.operation_id))
2151
2152    p = subparsers.add_parser('bdev_lvol_check_shallow_copy', help='Get shallow copy status')
2153    p.add_argument('operation_id', help='operation identifier', type=int)
2154    p.set_defaults(func=bdev_lvol_check_shallow_copy)
2155
2156    def bdev_lvol_delete_lvstore(args):
2157        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2158                                          uuid=args.uuid,
2159                                          lvs_name=args.lvs_name)
2160
2161    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2162    p.add_argument('-u', '--uuid', help='lvol store UUID')
2163    p.add_argument('-l', '--lvs-name', help='lvol store name')
2164    p.set_defaults(func=bdev_lvol_delete_lvstore)
2165
2166    def bdev_lvol_get_lvstores(args):
2167        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2168                                                   uuid=args.uuid,
2169                                                   lvs_name=args.lvs_name))
2170
2171    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2172    p.add_argument('-u', '--uuid', help='lvol store UUID')
2173    p.add_argument('-l', '--lvs-name', help='lvol store name')
2174    p.set_defaults(func=bdev_lvol_get_lvstores)
2175
2176    def bdev_lvol_get_lvols(args):
2177        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2178                                                lvs_uuid=args.lvs_uuid,
2179                                                lvs_name=args.lvs_name))
2180
2181    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2182    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2183    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2184    p.set_defaults(func=bdev_lvol_get_lvols)
2185
2186    def bdev_raid_set_options(args):
2187        rpc.bdev.bdev_raid_set_options(args.client,
2188                                       process_window_size_kb=args.process_window_size_kb)
2189
2190    p = subparsers.add_parser('bdev_raid_set_options',
2191                              help='Set options for bdev raid.')
2192    p.add_argument('-w', '--process-window-size-kb', type=int,
2193                   help="Background process (e.g. rebuild) window size in KiB")
2194
2195    p.set_defaults(func=bdev_raid_set_options)
2196
2197    def bdev_raid_get_bdevs(args):
2198        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2199                                                category=args.category))
2200
2201    p = subparsers.add_parser('bdev_raid_get_bdevs',
2202                              help="""This is used to list all the raid bdev details based on the input category
2203    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2204    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2205    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2206    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2207    p.add_argument('category', help='all or online or configuring or offline')
2208    p.set_defaults(func=bdev_raid_get_bdevs)
2209
2210    def bdev_raid_create(args):
2211        base_bdevs = []
2212        for u in args.base_bdevs.strip().split():
2213            base_bdevs.append(u)
2214
2215        rpc.bdev.bdev_raid_create(args.client,
2216                                  name=args.name,
2217                                  strip_size_kb=args.strip_size_kb,
2218                                  raid_level=args.raid_level,
2219                                  base_bdevs=base_bdevs,
2220                                  uuid=args.uuid,
2221                                  superblock=args.superblock)
2222    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2223    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2224    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2225    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2226    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2227    p.add_argument('--uuid', help='UUID for this raid bdev')
2228    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2229                                              'disabled by default due to backward compatibility', action='store_true')
2230    p.set_defaults(func=bdev_raid_create)
2231
2232    def bdev_raid_delete(args):
2233        rpc.bdev.bdev_raid_delete(args.client,
2234                                  name=args.name)
2235    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2236    p.add_argument('name', help='raid bdev name')
2237    p.set_defaults(func=bdev_raid_delete)
2238
2239    def bdev_raid_add_base_bdev(args):
2240        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2241                                         raid_bdev=args.raid_bdev,
2242                                         base_bdev=args.base_bdev)
2243    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2244    p.add_argument('raid_bdev', help='raid bdev name')
2245    p.add_argument('base_bdev', help='base bdev name')
2246    p.set_defaults(func=bdev_raid_add_base_bdev)
2247
2248    def bdev_raid_remove_base_bdev(args):
2249        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2250                                            name=args.name)
2251    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2252    p.add_argument('name', help='base bdev name')
2253    p.set_defaults(func=bdev_raid_remove_base_bdev)
2254
2255    # split
2256    def bdev_split_create(args):
2257        print_array(rpc.bdev.bdev_split_create(args.client,
2258                                               base_bdev=args.base_bdev,
2259                                               split_count=args.split_count,
2260                                               split_size_mb=args.split_size_mb))
2261
2262    p = subparsers.add_parser('bdev_split_create',
2263                              help="""Add given disk name to split config. If bdev with base_name
2264    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2265    available (during examination process).""")
2266    p.add_argument('base_bdev', help='base bdev name')
2267    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2268    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2269    exceed the base bdev size.""", type=int)
2270    p.set_defaults(func=bdev_split_create)
2271
2272    def bdev_split_delete(args):
2273        rpc.bdev.bdev_split_delete(args.client,
2274                                   base_bdev=args.base_bdev)
2275
2276    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2277    p.add_argument('base_bdev', help='base bdev name')
2278    p.set_defaults(func=bdev_split_delete)
2279
2280    # ftl
2281    def bdev_ftl_create(args):
2282        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2283                                            name=args.name,
2284                                            base_bdev=args.base_bdev,
2285                                            uuid=args.uuid,
2286                                            cache=args.cache,
2287                                            overprovisioning=args.overprovisioning,
2288                                            l2p_dram_limit=args.l2p_dram_limit,
2289                                            core_mask=args.core_mask,
2290                                            fast_shutdown=args.fast_shutdown))
2291
2292    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2293    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2294    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2295                   required=True)
2296    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2297                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2298    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2299                   required=True)
2300    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2301                   ' to user (optional); default 20', type=int)
2302    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2303                   type=int)
2304    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2305                   'by default core thread will be set to the main application core (optional)')
2306    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2307    p.set_defaults(func=bdev_ftl_create)
2308
2309    def bdev_ftl_load(args):
2310        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2311                                          name=args.name,
2312                                          base_bdev=args.base_bdev,
2313                                          uuid=args.uuid,
2314                                          cache=args.cache,
2315                                          overprovisioning=args.overprovisioning,
2316                                          l2p_dram_limit=args.l2p_dram_limit,
2317                                          core_mask=args.core_mask,
2318                                          fast_shutdown=args.fast_shutdown))
2319
2320    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2321    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2322    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2323                   required=True)
2324    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2325    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2326                   required=True)
2327    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2328                   ' to user (optional); default 20', type=int)
2329    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2330                   type=int)
2331    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2332                   'by default core thread will be set to the main application core (optional)')
2333    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2334    p.set_defaults(func=bdev_ftl_load)
2335
2336    def bdev_ftl_unload(args):
2337        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2338
2339    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2340    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2341    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2342    p.set_defaults(func=bdev_ftl_unload)
2343
2344    def bdev_ftl_delete(args):
2345        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2346
2347    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2348    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2349    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2350    p.set_defaults(func=bdev_ftl_delete)
2351
2352    def bdev_ftl_unmap(args):
2353        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2354                                           lba=args.lba,
2355                                           num_blocks=args.num_blocks))
2356
2357    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2358    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2359    p.add_argument('--lba', help='start LBA', required=True, type=int)
2360    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2361    p.set_defaults(func=bdev_ftl_unmap)
2362
2363    def bdev_ftl_get_stats(args):
2364        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2365
2366    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2367    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2368    p.set_defaults(func=bdev_ftl_get_stats)
2369
2370    def bdev_ftl_get_properties(args):
2371        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2372
2373    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2374    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2375    p.set_defaults(func=bdev_ftl_get_properties)
2376
2377    def bdev_ftl_set_property(args):
2378        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2379                   ftl_property=args.property,
2380                   value=args.value))
2381
2382    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2383    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2384    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2385    p.add_argument('-v', '--value', help="Value of the property", required=True)
2386    p.set_defaults(func=bdev_ftl_set_property)
2387
2388    # vmd
2389    def vmd_enable(args):
2390        print_dict(rpc.vmd.vmd_enable(args.client))
2391
2392    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2393    p.set_defaults(func=vmd_enable)
2394
2395    def vmd_remove_device(args):
2396        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2397
2398    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2399    p.add_argument('addr', help='Address of the device to remove', type=str)
2400    p.set_defaults(func=vmd_remove_device)
2401
2402    def vmd_rescan(args):
2403        print_dict(rpc.vmd.vmd_rescan(args.client))
2404
2405    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2406    p.set_defaults(func=vmd_rescan)
2407
2408    # ublk
2409    def ublk_create_target(args):
2410        rpc.ublk.ublk_create_target(args.client,
2411                                    cpumask=args.cpumask,
2412                                    disable_user_copy=args.disable_user_copy)
2413    p = subparsers.add_parser('ublk_create_target',
2414                              help='Create spdk ublk target for ublk dev')
2415    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2416    p.add_argument('--disable-user-copy', help='Disable user copy feature', action='store_true')
2417    p.set_defaults(func=ublk_create_target)
2418
2419    def ublk_destroy_target(args):
2420        rpc.ublk.ublk_destroy_target(args.client)
2421    p = subparsers.add_parser('ublk_destroy_target',
2422                              help='Destroy spdk ublk target for ublk dev')
2423    p.set_defaults(func=ublk_destroy_target)
2424
2425    def ublk_start_disk(args):
2426        print(rpc.ublk.ublk_start_disk(args.client,
2427                                       bdev_name=args.bdev_name,
2428                                       ublk_id=args.ublk_id,
2429                                       num_queues=args.num_queues,
2430                                       queue_depth=args.queue_depth))
2431
2432    p = subparsers.add_parser('ublk_start_disk',
2433                              help='Export a bdev as a ublk device')
2434    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2435    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2436    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2437    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2438    p.set_defaults(func=ublk_start_disk)
2439
2440    def ublk_stop_disk(args):
2441        rpc.ublk.ublk_stop_disk(args.client,
2442                                ublk_id=args.ublk_id)
2443
2444    p = subparsers.add_parser('ublk_stop_disk',
2445                              help='Stop a ublk device')
2446    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2447    p.set_defaults(func=ublk_stop_disk)
2448
2449    def ublk_recover_disk(args):
2450        print(rpc.ublk.ublk_recover_disk(args.client,
2451                                         bdev_name=args.bdev_name,
2452                                         ublk_id=args.ublk_id))
2453
2454    p = subparsers.add_parser('ublk_recover_disk',
2455                              help='Recover ublk device')
2456    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2457    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2458    p.set_defaults(func=ublk_recover_disk)
2459
2460    def ublk_get_disks(args):
2461        print_dict(rpc.ublk.ublk_get_disks(args.client,
2462                                           ublk_id=args.ublk_id))
2463
2464    p = subparsers.add_parser('ublk_get_disks',
2465                              help='Display full or specified ublk device list')
2466    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2467    p.set_defaults(func=ublk_get_disks)
2468
2469    # nbd
2470    def nbd_start_disk(args):
2471        print(rpc.nbd.nbd_start_disk(args.client,
2472                                     bdev_name=args.bdev_name,
2473                                     nbd_device=args.nbd_device))
2474
2475    p = subparsers.add_parser('nbd_start_disk',
2476                              help='Export a bdev as an nbd disk')
2477    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2478    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2479    p.set_defaults(func=nbd_start_disk)
2480
2481    def nbd_stop_disk(args):
2482        rpc.nbd.nbd_stop_disk(args.client,
2483                              nbd_device=args.nbd_device)
2484
2485    p = subparsers.add_parser('nbd_stop_disk',
2486                              help='Stop an nbd disk')
2487    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2488    p.set_defaults(func=nbd_stop_disk)
2489
2490    def nbd_get_disks(args):
2491        print_dict(rpc.nbd.nbd_get_disks(args.client,
2492                                         nbd_device=args.nbd_device))
2493
2494    p = subparsers.add_parser('nbd_get_disks',
2495                              help='Display full or specified nbd device list')
2496    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2497    p.set_defaults(func=nbd_get_disks)
2498
2499    # NVMe-oF
2500    def nvmf_set_max_subsystems(args):
2501        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2502                                         max_subsystems=args.max_subsystems)
2503
2504    p = subparsers.add_parser('nvmf_set_max_subsystems',
2505                              help='Set the maximum number of NVMf target subsystems')
2506    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2507    p.set_defaults(func=nvmf_set_max_subsystems)
2508
2509    def nvmf_set_config(args):
2510        rpc.nvmf.nvmf_set_config(args.client,
2511                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2512                                 poll_groups_mask=args.poll_groups_mask,
2513                                 discovery_filter=args.discovery_filter)
2514
2515    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2516    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2517    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2518    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2519    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2520         comma separated values: `transport`, `address`, `svcid`""", type=str)
2521    p.set_defaults(func=nvmf_set_config)
2522
2523    def nvmf_create_transport(args):
2524        rpc.nvmf.nvmf_create_transport(**vars(args))
2525
2526    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2527    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2528    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2529    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2530    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2531    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2532    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2533    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2534    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2535    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2536    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2537    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2538    underlying bdev supports them''')
2539    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2540    Relevant only for RDMA transport""", type=int)
2541    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2542    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2543    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2544    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2545    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2546    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2547    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2548    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2549    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2550    Relevant only for TCP transport""", type=int)
2551    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2552    Relevant only for VFIO-USER transport""")
2553    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2554    Relevant only for VFIO-USER transport""")
2555    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2556    Relevant only for VFIO-USER transport""")
2557    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2558    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2559    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2560    p.set_defaults(func=nvmf_create_transport)
2561
2562    def nvmf_get_transports(args):
2563        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2564
2565    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2566    p.add_argument('--trtype', help='Transport type (optional)')
2567    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2568    p.set_defaults(func=nvmf_get_transports)
2569
2570    def nvmf_get_subsystems(args):
2571        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2572
2573    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2574    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2575    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2576    p.set_defaults(func=nvmf_get_subsystems)
2577
2578    def nvmf_create_subsystem(args):
2579        rpc.nvmf.nvmf_create_subsystem(args.client,
2580                                       nqn=args.nqn,
2581                                       tgt_name=args.tgt_name,
2582                                       serial_number=args.serial_number,
2583                                       model_number=args.model_number,
2584                                       allow_any_host=args.allow_any_host,
2585                                       max_namespaces=args.max_namespaces,
2586                                       ana_reporting=args.ana_reporting,
2587                                       min_cntlid=args.min_cntlid,
2588                                       max_cntlid=args.max_cntlid,
2589                                       max_discard_size_kib=args.max_discard_size,
2590                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2591
2592    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2593    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2594    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2595    p.add_argument("-s", "--serial-number", help="""
2596    Format:  'sn' etc
2597    Example: 'SPDK00000000000001'""")
2598    p.add_argument("-d", "--model-number", help="""
2599    Format:  'mn' etc
2600    Example: 'SPDK Controller'""")
2601    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2602    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2603                   type=int)
2604    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2605    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2606    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2607    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2608    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2609    p.set_defaults(func=nvmf_create_subsystem)
2610
2611    def nvmf_delete_subsystem(args):
2612        rpc.nvmf.nvmf_delete_subsystem(args.client,
2613                                       nqn=args.subsystem_nqn,
2614                                       tgt_name=args.tgt_name)
2615
2616    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2617    p.add_argument('subsystem_nqn',
2618                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2619    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2620    p.set_defaults(func=nvmf_delete_subsystem)
2621
2622    def nvmf_subsystem_add_listener(args):
2623        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2624
2625    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2626    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2627    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2628    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2629    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2630    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2631    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2632    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2633    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2634    p.set_defaults(func=nvmf_subsystem_add_listener)
2635
2636    def nvmf_subsystem_remove_listener(args):
2637        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2638                                                nqn=args.nqn,
2639                                                trtype=args.trtype,
2640                                                traddr=args.traddr,
2641                                                tgt_name=args.tgt_name,
2642                                                adrfam=args.adrfam,
2643                                                trsvcid=args.trsvcid)
2644
2645    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2646    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2647    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2648    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2649    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2650    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2651    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2652    p.set_defaults(func=nvmf_subsystem_remove_listener)
2653
2654    def nvmf_subsystem_listener_set_ana_state(args):
2655        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2656                                                       nqn=args.nqn,
2657                                                       ana_state=args.ana_state,
2658                                                       trtype=args.trtype,
2659                                                       traddr=args.traddr,
2660                                                       tgt_name=args.tgt_name,
2661                                                       adrfam=args.adrfam,
2662                                                       trsvcid=args.trsvcid,
2663                                                       anagrpid=args.anagrpid)
2664
2665    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2666    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2667    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2668    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2669    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2670    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2671    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2672    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2673    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2674    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2675
2676    def nvmf_discovery_add_referral(args):
2677        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2678
2679    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2680    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2681    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2682    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2683    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2684    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2685    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2686                   action="store_true")
2687    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2688    p.set_defaults(func=nvmf_discovery_add_referral)
2689
2690    def nvmf_discovery_remove_referral(args):
2691        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2692                                                trtype=args.trtype,
2693                                                traddr=args.traddr,
2694                                                tgt_name=args.tgt_name,
2695                                                adrfam=args.adrfam,
2696                                                trsvcid=args.trsvcid,
2697                                                subnqn=args.subnqn)
2698
2699    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2700    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2701    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2702    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2703    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2704    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2705    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2706    p.set_defaults(func=nvmf_discovery_remove_referral)
2707
2708    def nvmf_discovery_get_referrals(args):
2709        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2710                                                         tgt_name=args.tgt_name))
2711
2712    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2713                              help='Display discovery subsystem referrals of an NVMe-oF target')
2714    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2715    p.set_defaults(func=nvmf_discovery_get_referrals)
2716
2717    def nvmf_subsystem_add_ns(args):
2718        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2719
2720    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2721    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2722    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2723    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2724    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2725    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2726    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2727    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2728    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2729    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2730    p.add_argument('-i', '--no-auto-visible', action='store_true',
2731                   help='Do not auto make namespace visible to controllers (optional)')
2732    p.set_defaults(func=nvmf_subsystem_add_ns)
2733
2734    def nvmf_subsystem_remove_ns(args):
2735        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2736                                          nqn=args.nqn,
2737                                          nsid=args.nsid,
2738                                          tgt_name=args.tgt_name)
2739
2740    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2741    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2742    p.add_argument('nsid', help='The requested NSID', type=int)
2743    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2744    p.set_defaults(func=nvmf_subsystem_remove_ns)
2745
2746    def nvmf_ns_add_host(args):
2747        rpc.nvmf.nvmf_ns_visible(True,
2748                                 args.client,
2749                                 nqn=args.nqn,
2750                                 nsid=args.nsid,
2751                                 host=args.host,
2752                                 tgt_name=args.tgt_name)
2753
2754    def nvmf_ns_visible_add_args(p):
2755        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2756        p.add_argument('nsid', help='The requested NSID', type=int)
2757        p.add_argument('host', help='Host NQN to make namespace visible to')
2758        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2759
2760    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2761    nvmf_ns_visible_add_args(p)
2762    p.set_defaults(func=nvmf_ns_add_host)
2763
2764    def nvmf_ns_remove_host(args):
2765        rpc.nvmf.nvmf_ns_visible(False,
2766                                 args.client,
2767                                 nqn=args.nqn,
2768                                 nsid=args.nsid,
2769                                 host=args.host,
2770                                 tgt_name=args.tgt_name)
2771
2772    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2773    nvmf_ns_visible_add_args(p)
2774    p.set_defaults(func=nvmf_ns_remove_host)
2775
2776    def nvmf_subsystem_add_host(args):
2777        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2778                                         nqn=args.nqn,
2779                                         host=args.host,
2780                                         tgt_name=args.tgt_name,
2781                                         psk=args.psk,
2782                                         dhchap_key=args.dhchap_key)
2783
2784    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2785    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2786    p.add_argument('host', help='Host NQN to allow')
2787    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2788    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2789    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name (optional)')
2790    p.set_defaults(func=nvmf_subsystem_add_host)
2791
2792    def nvmf_subsystem_remove_host(args):
2793        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2794                                            nqn=args.nqn,
2795                                            host=args.host,
2796                                            tgt_name=args.tgt_name)
2797
2798    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2799    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2800    p.add_argument('host', help='Host NQN to remove')
2801    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2802    p.set_defaults(func=nvmf_subsystem_remove_host)
2803
2804    def nvmf_subsystem_allow_any_host(args):
2805        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2806                                               nqn=args.nqn,
2807                                               disable=args.disable,
2808                                               tgt_name=args.tgt_name)
2809
2810    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2811    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2812    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2813    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2814    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2815    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2816
2817    def nvmf_subsystem_get_controllers(args):
2818        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2819                                                           nqn=args.nqn,
2820                                                           tgt_name=args.tgt_name))
2821
2822    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2823                              help='Display controllers of an NVMe-oF subsystem.')
2824    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2825    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2826    p.set_defaults(func=nvmf_subsystem_get_controllers)
2827
2828    def nvmf_subsystem_get_qpairs(args):
2829        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2830                                                      nqn=args.nqn,
2831                                                      tgt_name=args.tgt_name))
2832
2833    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2834                              help='Display queue pairs of an NVMe-oF subsystem.')
2835    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2836    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2837    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2838
2839    def nvmf_subsystem_get_listeners(args):
2840        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2841                                                         nqn=args.nqn,
2842                                                         tgt_name=args.tgt_name))
2843
2844    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2845                              help='Display listeners of an NVMe-oF subsystem.')
2846    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2847    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2848    p.set_defaults(func=nvmf_subsystem_get_listeners)
2849
2850    def nvmf_get_stats(args):
2851        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2852
2853    p = subparsers.add_parser(
2854        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2855    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2856    p.set_defaults(func=nvmf_get_stats)
2857
2858    def nvmf_set_crdt(args):
2859        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2860
2861    p = subparsers.add_parser(
2862        'nvmf_set_crdt',
2863        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2864        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2865    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2866    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2867    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2868    p.set_defaults(func=nvmf_set_crdt)
2869
2870    # subsystem
2871    def framework_get_subsystems(args):
2872        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2873
2874    p = subparsers.add_parser('framework_get_subsystems',
2875                              help="""Print subsystems array in initialization order. Each subsystem
2876    entry contain (unsorted) array of subsystems it depends on.""")
2877    p.set_defaults(func=framework_get_subsystems)
2878
2879    def framework_get_config(args):
2880        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2881
2882    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2883    p.add_argument('name', help='Name of subsystem to query')
2884    p.set_defaults(func=framework_get_config)
2885
2886    # vhost
2887    def vhost_controller_set_coalescing(args):
2888        rpc.vhost.vhost_controller_set_coalescing(args.client,
2889                                                  ctrlr=args.ctrlr,
2890                                                  delay_base_us=args.delay_base_us,
2891                                                  iops_threshold=args.iops_threshold)
2892
2893    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2894    p.add_argument('ctrlr', help='controller name')
2895    p.add_argument('delay_base_us', help='Base delay time', type=int)
2896    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2897    p.set_defaults(func=vhost_controller_set_coalescing)
2898
2899    def virtio_blk_create_transport(args):
2900        rpc.vhost.virtio_blk_create_transport(**vars(args))
2901
2902    p = subparsers.add_parser('virtio_blk_create_transport',
2903                              help='Create virtio blk transport')
2904    p.add_argument('name', help='transport name')
2905    p.set_defaults(func=virtio_blk_create_transport)
2906
2907    def virtio_blk_get_transports(args):
2908        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2909
2910    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2911    p.add_argument('--name', help='Transport name (optional)', type=str)
2912    p.set_defaults(func=virtio_blk_get_transports)
2913
2914    def vhost_create_scsi_controller(args):
2915        rpc.vhost.vhost_create_scsi_controller(args.client,
2916                                               ctrlr=args.ctrlr,
2917                                               cpumask=args.cpumask,
2918                                               delay=args.delay)
2919
2920    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2921    p.add_argument('ctrlr', help='controller name')
2922    p.add_argument('--cpumask', help='cpu mask for this controller')
2923    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2924    p.set_defaults(func=vhost_create_scsi_controller)
2925
2926    def vhost_start_scsi_controller(args):
2927        rpc.vhost.vhost_start_scsi_controller(args.client,
2928                                              ctrlr=args.ctrlr)
2929
2930    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2931    p.add_argument('ctrlr', help='controller name')
2932    p.set_defaults(func=vhost_start_scsi_controller)
2933
2934    def vhost_scsi_controller_add_target(args):
2935        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2936                                                              ctrlr=args.ctrlr,
2937                                                              scsi_target_num=args.scsi_target_num,
2938                                                              bdev_name=args.bdev_name))
2939
2940    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2941    p.add_argument('ctrlr', help='controller name where add lun')
2942    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2943    p.add_argument('bdev_name', help='bdev name')
2944    p.set_defaults(func=vhost_scsi_controller_add_target)
2945
2946    def vhost_scsi_controller_remove_target(args):
2947        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2948                                                      ctrlr=args.ctrlr,
2949                                                      scsi_target_num=args.scsi_target_num)
2950
2951    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2952                              help='Remove target from vhost controller')
2953    p.add_argument('ctrlr', help='controller name to remove target from')
2954    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2955    p.set_defaults(func=vhost_scsi_controller_remove_target)
2956
2957    def vhost_create_blk_controller(args):
2958        rpc.vhost.vhost_create_blk_controller(**vars(args))
2959
2960    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2961    p.add_argument('ctrlr', help='controller name')
2962    p.add_argument('dev_name', help='device name')
2963    p.add_argument('--cpumask', help='cpu mask for this controller')
2964    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2965    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2966    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2967    p.set_defaults(func=vhost_create_blk_controller)
2968
2969    def vhost_get_controllers(args):
2970        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2971
2972    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2973    p.add_argument('-n', '--name', help="Name of vhost controller")
2974    p.set_defaults(func=vhost_get_controllers)
2975
2976    def vhost_delete_controller(args):
2977        rpc.vhost.vhost_delete_controller(args.client,
2978                                          ctrlr=args.ctrlr)
2979
2980    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2981    p.add_argument('ctrlr', help='controller name')
2982    p.set_defaults(func=vhost_delete_controller)
2983
2984    def bdev_virtio_attach_controller(args):
2985        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2986                                                            name=args.name,
2987                                                            trtype=args.trtype,
2988                                                            traddr=args.traddr,
2989                                                            dev_type=args.dev_type,
2990                                                            vq_count=args.vq_count,
2991                                                            vq_size=args.vq_size))
2992
2993    p = subparsers.add_parser('bdev_virtio_attach_controller',
2994                              help="""Attach virtio controller using provided
2995    transport type and device type. This will also create bdevs for any block devices connected to the
2996    controller (for example, SCSI devices for a virtio-scsi controller).
2997    Result is array of added bdevs.""")
2998    p.add_argument('name', help="Use this name as base for new created bdevs")
2999    p.add_argument('-t', '--trtype',
3000                   help='Virtio target transport type: pci or user', required=True)
3001    p.add_argument('-a', '--traddr',
3002                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
3003    p.add_argument('-d', '--dev-type',
3004                   help='Device type: blk or scsi', required=True)
3005    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
3006    p.add_argument('--vq-size', help='Size of each queue', type=int)
3007    p.set_defaults(func=bdev_virtio_attach_controller)
3008
3009    def bdev_virtio_scsi_get_devices(args):
3010        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
3011
3012    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
3013    p.set_defaults(func=bdev_virtio_scsi_get_devices)
3014
3015    def bdev_virtio_detach_controller(args):
3016        rpc.vhost.bdev_virtio_detach_controller(args.client,
3017                                                name=args.name)
3018
3019    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
3020    This will delete all bdevs exposed by this device""")
3021    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
3022    p.set_defaults(func=bdev_virtio_detach_controller)
3023
3024    def bdev_virtio_blk_set_hotplug(args):
3025        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3026
3027    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3028    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3029    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3030    p.add_argument('-r', '--period-us',
3031                   help='How often the hotplug is processed for insert and remove events', type=int)
3032    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3033
3034    # vfio-user target
3035    def vfu_tgt_set_base_path(args):
3036        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3037
3038    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3039    p.add_argument('path', help='socket base path')
3040    p.set_defaults(func=vfu_tgt_set_base_path)
3041
3042    def vfu_virtio_delete_endpoint(args):
3043        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3044
3045    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3046    p.add_argument('name', help='Endpoint name')
3047    p.set_defaults(func=vfu_virtio_delete_endpoint)
3048
3049    def vfu_virtio_create_blk_endpoint(args):
3050        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3051                                                     name=args.name,
3052                                                     bdev_name=args.bdev_name,
3053                                                     cpumask=args.cpumask,
3054                                                     num_queues=args.num_queues,
3055                                                     qsize=args.qsize,
3056                                                     packed_ring=args.packed_ring)
3057
3058    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3059    p.add_argument('name', help='Name of the endpoint')
3060    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3061    p.add_argument('--cpumask', help='CPU masks')
3062    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3063    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3064    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3065    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3066
3067    def vfu_virtio_scsi_add_target(args):
3068        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3069                                                 name=args.name,
3070                                                 scsi_target_num=args.scsi_target_num,
3071                                                 bdev_name=args.bdev_name)
3072
3073    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3074    p.add_argument('name', help='Name of the endpoint')
3075    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3076    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3077    p.set_defaults(func=vfu_virtio_scsi_add_target)
3078
3079    def vfu_virtio_scsi_remove_target(args):
3080        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3081                                                    name=args.name,
3082                                                    scsi_target_num=args.scsi_target_num)
3083
3084    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3085    p.add_argument('name', help='Name of the endpoint')
3086    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3087    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3088
3089    def vfu_virtio_create_scsi_endpoint(args):
3090        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3091                                                      name=args.name,
3092                                                      cpumask=args.cpumask,
3093                                                      num_io_queues=args.num_io_queues,
3094                                                      qsize=args.qsize,
3095                                                      packed_ring=args.packed_ring)
3096
3097    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3098    p.add_argument('name', help='Name of the endpoint')
3099    p.add_argument('--cpumask', help='CPU masks')
3100    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3101    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3102    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3103    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3104
3105    # accel_fw
3106    def accel_get_opc_assignments(args):
3107        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3108
3109    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3110    p.set_defaults(func=accel_get_opc_assignments)
3111
3112    def accel_get_module_info(args):
3113        print_dict(rpc.accel.accel_get_module_info(args.client))
3114
3115    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3116                              help='Get list of valid module names and their operations.')
3117    p.set_defaults(func=accel_get_module_info)
3118
3119    def accel_assign_opc(args):
3120        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3121
3122    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3123    p.add_argument('-o', '--opname', help='opname')
3124    p.add_argument('-m', '--module', help='name of module')
3125    p.set_defaults(func=accel_assign_opc)
3126
3127    def accel_crypto_key_create(args):
3128        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3129                                                     cipher=args.cipher,
3130                                                     key=args.key,
3131                                                     key2=args.key2,
3132                                                     tweak_mode=args.tweak_mode,
3133                                                     name=args.name))
3134
3135    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3136    p.add_argument('-c', '--cipher', help='cipher', required=True)
3137    p.add_argument('-k', '--key', help='key', required=True)
3138    p.add_argument('-e', '--key2', help='key2', default=None)
3139    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3140    p.add_argument('-n', '--name', help='key name', required=True)
3141    p.set_defaults(func=accel_crypto_key_create)
3142
3143    def accel_crypto_key_destroy(args):
3144        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3145                                                      key_name=args.name))
3146
3147    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3148    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3149    p.set_defaults(func=accel_crypto_key_destroy)
3150
3151    def accel_crypto_keys_get(args):
3152        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3153                                                   key_name=args.key_name))
3154
3155    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3156    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3157    p.set_defaults(func=accel_crypto_keys_get)
3158
3159    def accel_set_driver(args):
3160        rpc.accel.accel_set_driver(args.client, name=args.name)
3161
3162    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3163                              'operation chains')
3164    p.add_argument('name', help='name of the platform driver')
3165    p.set_defaults(func=accel_set_driver)
3166
3167    def accel_set_options(args):
3168        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3169                                    args.task_count, args.sequence_count, args.buf_count)
3170
3171    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3172    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3173    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3174    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3175    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3176    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3177    p.set_defaults(func=accel_set_options)
3178
3179    def accel_get_stats(args):
3180        print_dict(rpc.accel.accel_get_stats(args.client))
3181
3182    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3183    p.set_defaults(func=accel_get_stats)
3184
3185    # ioat
3186    def ioat_scan_accel_module(args):
3187        rpc.ioat.ioat_scan_accel_module(args.client)
3188
3189    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3190                              help='Enable IOAT accel module offload.')
3191    p.set_defaults(func=ioat_scan_accel_module)
3192
3193    # dpdk compressdev
3194    def compressdev_scan_accel_module(args):
3195        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3196
3197    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3198    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3199    p.set_defaults(func=compressdev_scan_accel_module)
3200
3201    # dsa
3202    def dsa_scan_accel_module(args):
3203        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3204
3205    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3206                              help='Set config and enable dsa accel module offload.')
3207    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3208                   action='store_true', dest='config_kernel_mode')
3209    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3210
3211    # iaa
3212    def iaa_scan_accel_module(args):
3213        rpc.iaa.iaa_scan_accel_module(args.client)
3214
3215    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3216                              help='Set config and enable iaa accel module offload.')
3217    p.set_defaults(func=iaa_scan_accel_module)
3218
3219    def dpdk_cryptodev_scan_accel_module(args):
3220        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3221
3222    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3223                              help='Enable dpdk_cryptodev accel module offload.')
3224    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3225
3226    def dpdk_cryptodev_set_driver(args):
3227        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3228                                                     driver_name=args.driver_name)
3229
3230    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3231                              help='Set the DPDK cryptodev driver.')
3232    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3233    p.set_defaults(func=dpdk_cryptodev_set_driver)
3234
3235    def dpdk_cryptodev_get_driver(args):
3236        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3237
3238    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3239    p.set_defaults(func=dpdk_cryptodev_get_driver)
3240
3241    # mlx5
3242    def mlx5_scan_accel_module(args):
3243        rpc.mlx5.mlx5_scan_accel_module(args.client,
3244                                        qp_size=args.qp_size,
3245                                        num_requests=args.num_requests)
3246
3247    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3248    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3249    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3250    p.set_defaults(func=mlx5_scan_accel_module)
3251
3252    # accel_error
3253    def accel_error_inject_error(args):
3254        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3255                                           type=args.type, count=args.count,
3256                                           interval=args.interval, errcode=args.errcode)
3257
3258    p = subparsers.add_parser('accel_error_inject_error',
3259                              help='Inject an error to processing accel operation')
3260    p.add_argument('-o', '--opcode', help='Opcode')
3261    p.add_argument('-t', '--type',
3262                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3263    p.add_argument('-c', '--count', type=int,
3264                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3265    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3266    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3267    p.set_defaults(func=accel_error_inject_error)
3268
3269    # opal
3270    def bdev_nvme_opal_init(args):
3271        rpc.nvme.bdev_nvme_opal_init(args.client,
3272                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3273                                     password=args.password)
3274
3275    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3276    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3277    p.add_argument('-p', '--password', help='password for admin')
3278    p.set_defaults(func=bdev_nvme_opal_init)
3279
3280    def bdev_nvme_opal_revert(args):
3281        rpc.nvme.bdev_nvme_opal_revert(args.client,
3282                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3283                                       password=args.password)
3284    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3285    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3286    p.add_argument('-p', '--password', help='password')
3287    p.set_defaults(func=bdev_nvme_opal_revert)
3288
3289    def bdev_opal_create(args):
3290        print_json(rpc.bdev.bdev_opal_create(args.client,
3291                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3292                                             nsid=args.nsid,
3293                                             locking_range_id=args.locking_range_id,
3294                                             range_start=args.range_start,
3295                                             range_length=args.range_length,
3296                                             password=args.password))
3297
3298    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3299    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3300    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3301    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3302    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3303    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3304    p.add_argument('-p', '--password', help='admin password', required=True)
3305    p.set_defaults(func=bdev_opal_create)
3306
3307    def bdev_opal_get_info(args):
3308        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3309                                               bdev_name=args.bdev_name,
3310                                               password=args.password))
3311
3312    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3313    p.add_argument('-b', '--bdev-name', help='opal bdev')
3314    p.add_argument('-p', '--password', help='password')
3315    p.set_defaults(func=bdev_opal_get_info)
3316
3317    def bdev_opal_delete(args):
3318        rpc.bdev.bdev_opal_delete(args.client,
3319                                  bdev_name=args.bdev_name,
3320                                  password=args.password)
3321
3322    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3323    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3324    p.add_argument('-p', '--password', help='admin password', required=True)
3325    p.set_defaults(func=bdev_opal_delete)
3326
3327    def bdev_opal_new_user(args):
3328        rpc.bdev.bdev_opal_new_user(args.client,
3329                                    bdev_name=args.bdev_name,
3330                                    admin_password=args.admin_password,
3331                                    user_id=args.user_id,
3332                                    user_password=args.user_password)
3333
3334    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3335    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3336    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3337    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3338    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3339    p.set_defaults(func=bdev_opal_new_user)
3340
3341    def bdev_opal_set_lock_state(args):
3342        rpc.bdev.bdev_opal_set_lock_state(args.client,
3343                                          bdev_name=args.bdev_name,
3344                                          user_id=args.user_id,
3345                                          password=args.password,
3346                                          lock_state=args.lock_state)
3347
3348    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3349    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3350    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',
3351                   type=int, required=True)
3352    p.add_argument('-p', '--password', help='password of this user', required=True)
3353    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3354    p.set_defaults(func=bdev_opal_set_lock_state)
3355
3356    # bdev_nvme_send_cmd
3357    def bdev_nvme_send_cmd(args):
3358        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3359                                               name=args.nvme_name,
3360                                               cmd_type=args.cmd_type,
3361                                               data_direction=args.data_direction,
3362                                               cmdbuf=args.cmdbuf,
3363                                               data=args.data,
3364                                               metadata=args.metadata,
3365                                               data_len=args.data_length,
3366                                               metadata_len=args.metadata_length,
3367                                               timeout_ms=args.timeout_ms))
3368
3369    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3370    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3371    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3372    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3373    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3374    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3375    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3376    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3377    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3378    p.add_argument('-T', '--timeout-ms',
3379                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3380    p.set_defaults(func=bdev_nvme_send_cmd)
3381
3382    # Notifications
3383    def notify_get_types(args):
3384        print_dict(rpc.notify.notify_get_types(args.client))
3385
3386    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3387    p.set_defaults(func=notify_get_types)
3388
3389    def notify_get_notifications(args):
3390        ret = rpc.notify.notify_get_notifications(args.client,
3391                                                  id=args.id,
3392                                                  max=args.max)
3393        print_dict(ret)
3394
3395    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3396    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3397    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3398    p.set_defaults(func=notify_get_notifications)
3399
3400    def thread_get_stats(args):
3401        print_dict(rpc.app.thread_get_stats(args.client))
3402
3403    p = subparsers.add_parser(
3404        'thread_get_stats', help='Display current statistics of all the threads')
3405    p.set_defaults(func=thread_get_stats)
3406
3407    def thread_set_cpumask(args):
3408        ret = rpc.app.thread_set_cpumask(args.client,
3409                                         id=args.id,
3410                                         cpumask=args.cpumask)
3411    p = subparsers.add_parser('thread_set_cpumask',
3412                              help="""set the cpumask of the thread whose ID matches to the
3413    specified value. The thread may be migrated to one of the specified CPUs.""")
3414    p.add_argument('-i', '--id', type=int, help='thread ID')
3415    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3416    p.set_defaults(func=thread_set_cpumask)
3417
3418    def log_enable_timestamps(args):
3419        ret = rpc.app.log_enable_timestamps(args.client,
3420                                            enabled=args.enabled)
3421    p = subparsers.add_parser('log_enable_timestamps',
3422                              help='Enable or disable timestamps.')
3423    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3424    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3425    p.set_defaults(func=log_enable_timestamps)
3426
3427    def thread_get_pollers(args):
3428        print_dict(rpc.app.thread_get_pollers(args.client))
3429
3430    p = subparsers.add_parser(
3431        'thread_get_pollers', help='Display current pollers of all the threads')
3432    p.set_defaults(func=thread_get_pollers)
3433
3434    def thread_get_io_channels(args):
3435        print_dict(rpc.app.thread_get_io_channels(args.client))
3436
3437    p = subparsers.add_parser(
3438        'thread_get_io_channels', help='Display current IO channels of all the threads')
3439    p.set_defaults(func=thread_get_io_channels)
3440
3441    def env_dpdk_get_mem_stats(args):
3442        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3443
3444    p = subparsers.add_parser(
3445        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3446    p.set_defaults(func=env_dpdk_get_mem_stats)
3447
3448    # blobfs
3449    def blobfs_detect(args):
3450        print(rpc.blobfs.blobfs_detect(args.client,
3451                                       bdev_name=args.bdev_name))
3452
3453    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3454    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3455    p.set_defaults(func=blobfs_detect)
3456
3457    def blobfs_create(args):
3458        print(rpc.blobfs.blobfs_create(args.client,
3459                                       bdev_name=args.bdev_name,
3460                                       cluster_sz=args.cluster_sz))
3461
3462    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3463    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3464    p.add_argument('-c', '--cluster-sz',
3465                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3466    p.set_defaults(func=blobfs_create)
3467
3468    def blobfs_mount(args):
3469        print(rpc.blobfs.blobfs_mount(args.client,
3470                                      bdev_name=args.bdev_name,
3471                                      mountpoint=args.mountpoint))
3472
3473    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3474    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3475    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3476    p.set_defaults(func=blobfs_mount)
3477
3478    def blobfs_set_cache_size(args):
3479        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3480                                               size_in_mb=args.size_in_mb))
3481
3482    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3483    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3484    p.set_defaults(func=blobfs_set_cache_size)
3485
3486    # sock
3487    def sock_impl_get_options(args):
3488        print_json(rpc.sock.sock_impl_get_options(args.client,
3489                                                  impl_name=args.impl))
3490
3491    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3492    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3493    p.set_defaults(func=sock_impl_get_options)
3494
3495    def sock_impl_set_options(args):
3496        rpc.sock.sock_impl_set_options(args.client,
3497                                       impl_name=args.impl,
3498                                       recv_buf_size=args.recv_buf_size,
3499                                       send_buf_size=args.send_buf_size,
3500                                       enable_recv_pipe=args.enable_recv_pipe,
3501                                       enable_quickack=args.enable_quickack,
3502                                       enable_placement_id=args.enable_placement_id,
3503                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3504                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3505                                       zerocopy_threshold=args.zerocopy_threshold,
3506                                       tls_version=args.tls_version,
3507                                       enable_ktls=args.enable_ktls)
3508
3509    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3510    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3511    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3512    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3513    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3514    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3515                   action='store_true', dest='enable_recv_pipe')
3516    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3517                   action='store_false', dest='enable_recv_pipe')
3518    p.add_argument('--enable-quickack', help='Enable quick ACK',
3519                   action='store_true', dest='enable_quickack')
3520    p.add_argument('--disable-quickack', help='Disable quick ACK',
3521                   action='store_false', dest='enable_quickack')
3522    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3523                   action='store_true', dest='enable_zerocopy_send_server')
3524    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3525                   action='store_false', dest='enable_zerocopy_send_server')
3526    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3527                   action='store_true', dest='enable_zerocopy_send_client')
3528    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3529                   action='store_false', dest='enable_zerocopy_send_client')
3530    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3531    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3532    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3533                   action='store_true', dest='enable_ktls')
3534    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3535                   action='store_false', dest='enable_ktls')
3536    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3537                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3538                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3539
3540    def sock_set_default_impl(args):
3541        print_json(rpc.sock.sock_set_default_impl(args.client,
3542                                                  impl_name=args.impl))
3543
3544    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3545    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3546    p.set_defaults(func=sock_set_default_impl)
3547
3548    def sock_get_default_impl(args):
3549        print_json(rpc.sock.sock_get_default_impl(args.client))
3550
3551    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3552    p.set_defaults(func=sock_get_default_impl)
3553
3554    def framework_get_pci_devices(args):
3555        def splitbuf(buf, step):
3556            return [buf[i:i+step] for i in range(0, len(buf), step)]
3557
3558        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3559        if not args.format_lspci:
3560            print_json(devices)
3561        else:
3562            for devid, dev in enumerate(devices):
3563                print('{} device #{}'.format(dev['address'], devid))
3564                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3565                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3566                print()
3567
3568    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3569    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3570                   action='store_true')
3571    p.set_defaults(func=framework_get_pci_devices)
3572
3573    # bdev_nvme_add_error_injection
3574    def bdev_nvme_add_error_injection(args):
3575        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3576                                                          name=args.nvme_name,
3577                                                          cmd_type=args.cmd_type,
3578                                                          opc=args.opc,
3579                                                          do_not_submit=args.do_not_submit,
3580                                                          timeout_in_us=args.timeout_in_us,
3581                                                          err_count=args.err_count,
3582                                                          sct=args.sct,
3583                                                          sc=args.sc))
3584    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3585                              help='Add a NVMe command error injection.')
3586    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3587    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3588    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3589    p.add_argument('-s', '--do-not-submit',
3590                   help="""Set to true if request should not be submitted to the controller""",
3591                   dest="do_not_submit", action='store_true')
3592    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3593    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3594    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3595    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3596    p.set_defaults(func=bdev_nvme_add_error_injection)
3597
3598    # bdev_nvme_remove_error_injection
3599    def bdev_nvme_remove_error_injection(args):
3600        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3601                                                             name=args.nvme_name,
3602                                                             cmd_type=args.cmd_type,
3603                                                             opc=args.opc))
3604    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3605                              help='Removes a NVMe command error injection.')
3606    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3607    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3608    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3609    p.set_defaults(func=bdev_nvme_remove_error_injection)
3610
3611    def bdev_daos_create(args):
3612        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3613        print_json(rpc.bdev.bdev_daos_create(args.client,
3614                                             num_blocks=int(num_blocks),
3615                                             block_size=args.block_size,
3616                                             name=args.name,
3617                                             uuid=args.uuid,
3618                                             pool=args.pool,
3619                                             cont=args.cont,
3620                                             oclass=args.oclass))
3621    p = subparsers.add_parser('bdev_daos_create',
3622                              help='Create a bdev with DAOS backend')
3623    p.add_argument('name', help="Name of the bdev")
3624    p.add_argument('pool', help="UUID of the DAOS pool")
3625    p.add_argument('cont', help="UUID of the DAOS container")
3626    p.add_argument(
3627        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3628    p.add_argument('block_size', help='Block size for this bdev', type=int)
3629    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3630    p.add_argument('-o', '--oclass', help="DAOS object class")
3631    p.set_defaults(func=bdev_daos_create)
3632
3633    def bdev_daos_delete(args):
3634        rpc.bdev.bdev_daos_delete(args.client,
3635                                  name=args.name)
3636
3637    p = subparsers.add_parser('bdev_daos_delete',
3638                              help='Delete a DAOS disk')
3639    p.add_argument('name', help='DAOS bdev name')
3640    p.set_defaults(func=bdev_daos_delete)
3641
3642    def bdev_daos_resize(args):
3643        print_json(rpc.bdev.bdev_daos_resize(args.client,
3644                                             name=args.name,
3645                                             new_size=int(args.new_size)))
3646
3647    p = subparsers.add_parser('bdev_daos_resize',
3648                              help='Resize a DAOS bdev')
3649    p.add_argument('name', help='DAOS bdev name')
3650    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3651    p.set_defaults(func=bdev_daos_resize)
3652
3653    def iobuf_set_options(args):
3654        rpc.iobuf.iobuf_set_options(args.client,
3655                                    small_pool_count=args.small_pool_count,
3656                                    large_pool_count=args.large_pool_count,
3657                                    small_bufsize=args.small_bufsize,
3658                                    large_bufsize=args.large_bufsize)
3659    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3660    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3661    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3662    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3663    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3664    p.set_defaults(func=iobuf_set_options)
3665
3666    def iobuf_get_stats(args):
3667        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3668
3669    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3670    p.set_defaults(func=iobuf_get_stats)
3671
3672    def bdev_nvme_start_mdns_discovery(args):
3673        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3674                                                name=args.name,
3675                                                svcname=args.svcname,
3676                                                hostnqn=args.hostnqn)
3677
3678    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3679    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3680    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3681    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3682    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3683
3684    def bdev_nvme_stop_mdns_discovery(args):
3685        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3686
3687    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3688    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3689    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3690
3691    def bdev_nvme_get_mdns_discovery_info(args):
3692        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3693
3694    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3695    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3696
3697    def keyring_file_add_key(args):
3698        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3699
3700    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3701    p.add_argument('name', help='Name of the key to add')
3702    p.add_argument('path', help='Path of the file containing the key')
3703    p.set_defaults(func=keyring_file_add_key)
3704
3705    def keyring_file_remove_key(args):
3706        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3707
3708    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3709    p.add_argument('name', help='Name of the key to remove')
3710    p.set_defaults(func=keyring_file_remove_key)
3711
3712    def keyring_get_keys(args):
3713        print_dict(rpc.keyring.keyring_get_keys(args.client))
3714
3715    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3716    p.set_defaults(func=keyring_get_keys)
3717
3718    def keyring_linux_set_options(args):
3719        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3720
3721    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3722    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3723    p.set_defaults(func=keyring_linux_set_options)
3724
3725    def check_called_name(name):
3726        if name in deprecated_aliases:
3727            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3728
3729    class dry_run_client:
3730        def call(self, method, params=None):
3731            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3732
3733    def null_print(arg):
3734        pass
3735
3736    def call_rpc_func(args):
3737        args.func(args)
3738        check_called_name(args.called_rpc_name)
3739
3740    def execute_script(parser, client, fd):
3741        executed_rpc = ""
3742        for rpc_call in map(str.rstrip, fd):
3743            if not rpc_call.strip():
3744                continue
3745            executed_rpc = "\n".join([executed_rpc, rpc_call])
3746            rpc_args = shlex.split(rpc_call)
3747            if rpc_args[0][0] == '#':
3748                # Ignore lines starting with # - treat them as comments
3749                continue
3750            args = parser.parse_args(rpc_args)
3751            args.client = client
3752            try:
3753                call_rpc_func(args)
3754            except JSONRPCException as ex:
3755                print("Exception:")
3756                print(executed_rpc.strip() + " <<<")
3757                print(ex.message)
3758                exit(1)
3759
3760    def load_plugin(args):
3761        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3762        plugin_parser = argparse.ArgumentParser(add_help=False)
3763        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3764
3765        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3766        if args is not None:
3767            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3768
3769        if rpc_module in plugins:
3770            return
3771
3772        if rpc_module is not None:
3773            try:
3774                rpc_plugin = importlib.import_module(rpc_module)
3775                try:
3776                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3777                    plugins.append(rpc_module)
3778                except AttributeError:
3779                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3780            except ModuleNotFoundError:
3781                print("Module %s not found" % rpc_module)
3782
3783    def replace_arg_underscores(args):
3784        # All option names are defined with dashes only - for example: --tgt-name
3785        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3786        # SPDK was inconsistent previously and had some options with underscores, so
3787        # doing this conversion ensures backward compatibility with older scripts.
3788        for i in range(len(args)):
3789            arg = args[i]
3790            if arg.startswith('--') and "_" in arg:
3791                opt, *vals = arg.split('=')
3792                args[i] = '='.join([opt.replace('_', '-'), *vals])
3793
3794    plugins = []
3795    load_plugin(None)
3796
3797    replace_arg_underscores(sys.argv)
3798
3799    args = parser.parse_args()
3800
3801    try:
3802        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3803    except ValueError:
3804        use_go_client = False
3805
3806    if sys.stdin.isatty() and not hasattr(args, 'func'):
3807        # No arguments and no data piped through stdin
3808        parser.print_help()
3809        exit(1)
3810    if args.is_server:
3811        for input in sys.stdin:
3812            cmd = shlex.split(input)
3813            replace_arg_underscores(cmd)
3814            try:
3815                load_plugin(cmd)
3816                tmp_args = parser.parse_args(cmd)
3817            except SystemExit as ex:
3818                print("**STATUS=1", flush=True)
3819                continue
3820
3821            try:
3822                if use_go_client:
3823                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3824                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3825                else:
3826                    tmp_args.client = rpc.client.JSONRPCClient(
3827                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3828                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3829                call_rpc_func(tmp_args)
3830                print("**STATUS=0", flush=True)
3831            except JSONRPCException as ex:
3832                print(ex.message)
3833                print("**STATUS=1", flush=True)
3834        exit(0)
3835    elif args.dry_run:
3836        args.client = dry_run_client()
3837        print_dict = null_print
3838        print_json = null_print
3839        print_array = null_print
3840    elif args.go_client or use_go_client:
3841        try:
3842            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3843                                                     log_level=getattr(logging, args.verbose.upper()))
3844        except JSONRPCException as ex:
3845            print(ex.message)
3846            exit(1)
3847    else:
3848        try:
3849            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3850                                                   log_level=getattr(logging, args.verbose.upper()),
3851                                                   conn_retries=args.conn_retries)
3852        except JSONRPCException as ex:
3853            print(ex.message)
3854            exit(1)
3855
3856    if hasattr(args, 'func'):
3857        try:
3858            call_rpc_func(args)
3859        except JSONRPCException as ex:
3860            print(ex.message)
3861            exit(1)
3862    else:
3863        execute_script(parser, args.client, sys.stdin)
3864