xref: /spdk/scripts/rpc.py (revision 524129a908ef13b65cdf5d03e27711ae31dec8f7)
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) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
7#
8
9import logging
10import argparse
11import importlib
12import os
13import sys
14import shlex
15import json
16
17try:
18    from shlex import quote
19except ImportError:
20    from pipes import quote
21
22sys.path.append(os.path.dirname(__file__) + '/../python')
23
24import spdk.rpc as rpc  # noqa
25from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
26from spdk.rpc.helpers import deprecated_aliases  # noqa
27
28
29def print_array(a):
30    print(" ".join((quote(v) for v in a)))
31
32
33if __name__ == "__main__":
34    parser = argparse.ArgumentParser(
35        description='SPDK RPC command line interface', usage='%(prog)s [options]')
36    parser.add_argument('-s', dest='server_addr',
37                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
38    parser.add_argument('-p', dest='port',
39                        help='RPC port number (if server_addr is IP address)',
40                        default=5260, type=int)
41    parser.add_argument('-t', dest='timeout',
42                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
43                        default=60.0, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent)
98
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int, required=False)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int, required=False)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int, required=False)
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", required=False)
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", required=False)
282    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create", required=False)
283    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create", required=False)
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", required=False)
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        required=False
312    )
313    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
314    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
315    p.set_defaults(func=bdev_ocf_create)
316
317    def bdev_ocf_delete(args):
318        rpc.bdev.bdev_ocf_delete(args.client,
319                                 name=args.name)
320
321    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
322    p.add_argument('name', help='Name of OCF bdev')
323    p.set_defaults(func=bdev_ocf_delete)
324
325    def bdev_ocf_get_stats(args):
326        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
327                                               name=args.name))
328    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
329    p.add_argument('name', help='Name of OCF bdev')
330    p.set_defaults(func=bdev_ocf_get_stats)
331
332    def bdev_ocf_reset_stats(args):
333        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
334                                                 name=args.name))
335    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
336    p.add_argument('name', help='Name of OCF bdev')
337    p.set_defaults(func=bdev_ocf_reset_stats)
338
339    def bdev_ocf_get_bdevs(args):
340        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
341                                               name=args.name))
342    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
343    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
344    p.set_defaults(func=bdev_ocf_get_bdevs)
345
346    def bdev_ocf_set_cache_mode(args):
347        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
348                                                    name=args.name,
349                                                    mode=args.mode))
350    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
351                              help='Set cache mode of OCF block device')
352    p.add_argument('name', help='Name of OCF bdev')
353    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
354    p.set_defaults(func=bdev_ocf_set_cache_mode)
355
356    def bdev_ocf_set_seqcutoff(args):
357        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
358                                        name=args.name,
359                                        policy=args.policy,
360                                        threshold=args.threshold,
361                                        promotion_count=args.promotion_count)
362    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
363                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
364    p.add_argument('name', help='Name of OCF cache bdev')
365    p.add_argument('-t', '--threshold', type=int,
366                   help='Activation threshold [KiB]')
367    p.add_argument('-c', '--promotion-count', type=int,
368                   help='Promotion request count')
369    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
370                   help='Sequential cutoff policy')
371    p.set_defaults(func=bdev_ocf_set_seqcutoff)
372
373    def bdev_ocf_flush_start(args):
374        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
375    p = subparsers.add_parser('bdev_ocf_flush_start',
376                              help='Start flushing OCF cache device')
377    p.add_argument('name', help='Name of OCF bdev')
378    p.set_defaults(func=bdev_ocf_flush_start)
379
380    def bdev_ocf_flush_status(args):
381        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
382    p = subparsers.add_parser('bdev_ocf_flush_status',
383                              help='Get flush status of OCF cache device')
384    p.add_argument('name', help='Name of OCF bdev')
385    p.set_defaults(func=bdev_ocf_flush_status)
386
387    def bdev_malloc_create(args):
388        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
389        print_json(rpc.bdev.bdev_malloc_create(args.client,
390                                               num_blocks=int(num_blocks),
391                                               block_size=args.block_size,
392                                               physical_block_size=args.physical_block_size,
393                                               name=args.name,
394                                               uuid=args.uuid,
395                                               optimal_io_boundary=args.optimal_io_boundary,
396                                               md_size=args.md_size,
397                                               md_interleave=args.md_interleave,
398                                               dif_type=args.dif_type,
399                                               dif_is_head_of_md=args.dif_is_head_of_md))
400    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
401    p.add_argument('-b', '--name', help="Name of the bdev")
402    p.add_argument('-u', '--uuid', help="UUID of the bdev")
403    p.add_argument(
404        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
405    p.add_argument('block_size', help='Data block size for this bdev', type=int)
406    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
407    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
408    blocks, default 0 (disabled)""", type=int)
409    p.add_argument('-m', '--md-size', type=int,
410                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
411    p.add_argument('-i', '--md-interleave', action='store_true',
412                   help='Metadata location, interleaved if set, and separated if omitted.')
413    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
414                   help='Protection information type. Parameter --md-size needs'
415                        'to be set along --dif-type. Default=0 - no protection.')
416    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
417                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
418    p.set_defaults(func=bdev_malloc_create)
419
420    def bdev_malloc_delete(args):
421        rpc.bdev.bdev_malloc_delete(args.client,
422                                    name=args.name)
423
424    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
425    p.add_argument('name', help='malloc bdev name')
426    p.set_defaults(func=bdev_malloc_delete)
427
428    def bdev_null_create(args):
429        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
430        if args.dif_type and not args.md_size:
431            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
432            exit(1)
433        print_json(rpc.bdev.bdev_null_create(args.client,
434                                             num_blocks=num_blocks,
435                                             block_size=args.block_size,
436                                             physical_block_size=args.physical_block_size,
437                                             name=args.name,
438                                             uuid=args.uuid,
439                                             md_size=args.md_size,
440                                             dif_type=args.dif_type,
441                                             dif_is_head_of_md=args.dif_is_head_of_md))
442
443    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
444    p.add_argument('name', help='Block device name')
445    p.add_argument('-u', '--uuid', help='UUID of the bdev')
446    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
447    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
448    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
449    p.add_argument('-m', '--md-size', type=int,
450                   help='Metadata size for this bdev. Default=0.')
451    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
452                   help='Protection information type. Parameter --md-size needs'
453                        'to be set along --dif-type. Default=0 - no protection.')
454    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
455                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
456    p.set_defaults(func=bdev_null_create)
457
458    def bdev_null_delete(args):
459        rpc.bdev.bdev_null_delete(args.client,
460                                  name=args.name)
461
462    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
463    p.add_argument('name', help='null bdev name')
464    p.set_defaults(func=bdev_null_delete)
465
466    def bdev_null_resize(args):
467        print_json(rpc.bdev.bdev_null_resize(args.client,
468                                             name=args.name,
469                                             new_size=int(args.new_size)))
470
471    p = subparsers.add_parser('bdev_null_resize',
472                              help='Resize a null bdev')
473    p.add_argument('name', help='null bdev name')
474    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
475    p.set_defaults(func=bdev_null_resize)
476
477    def bdev_aio_create(args):
478        print_json(rpc.bdev.bdev_aio_create(args.client,
479                                            filename=args.filename,
480                                            name=args.name,
481                                            block_size=args.block_size,
482                                            readonly=args.readonly))
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.set_defaults(func=bdev_aio_create)
490
491    def bdev_aio_rescan(args):
492        print_json(rpc.bdev.bdev_aio_rescan(args.client,
493                                            name=args.name))
494
495    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
496    p.add_argument('name', help='Block device name')
497    p.set_defaults(func=bdev_aio_rescan)
498
499    def bdev_aio_delete(args):
500        rpc.bdev.bdev_aio_delete(args.client,
501                                 name=args.name)
502
503    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
504    p.add_argument('name', help='aio bdev name')
505    p.set_defaults(func=bdev_aio_delete)
506
507    def bdev_uring_create(args):
508        print_json(rpc.bdev.bdev_uring_create(args.client,
509                                              filename=args.filename,
510                                              name=args.name,
511                                              block_size=args.block_size))
512
513    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
514    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
515    p.add_argument('name', help='bdev name')
516    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
517    p.set_defaults(func=bdev_uring_create)
518
519    def bdev_uring_delete(args):
520        rpc.bdev.bdev_uring_delete(args.client,
521                                   name=args.name)
522
523    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
524    p.add_argument('name', help='uring bdev name')
525    p.set_defaults(func=bdev_uring_delete)
526
527    def bdev_xnvme_create(args):
528        print_json(rpc.bdev.bdev_xnvme_create(args.client,
529                                              filename=args.filename,
530                                              name=args.name,
531                                              io_mechanism=args.io_mechanism))
532
533    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
534    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
535    p.add_argument('name', help='name of xNVMe bdev to create')
536    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
537    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
538    p.set_defaults(func=bdev_xnvme_create)
539
540    def bdev_xnvme_delete(args):
541        rpc.bdev.bdev_xnvme_delete(args.client,
542                                   name=args.name)
543
544    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
545    p.add_argument('name', help='xNVMe bdev name')
546    p.set_defaults(func=bdev_xnvme_delete)
547
548    def bdev_nvme_set_options(args):
549        rpc.bdev.bdev_nvme_set_options(args.client,
550                                       action_on_timeout=args.action_on_timeout,
551                                       timeout_us=args.timeout_us,
552                                       timeout_admin_us=args.timeout_admin_us,
553                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
554                                       retry_count=args.retry_count,
555                                       arbitration_burst=args.arbitration_burst,
556                                       low_priority_weight=args.low_priority_weight,
557                                       medium_priority_weight=args.medium_priority_weight,
558                                       high_priority_weight=args.high_priority_weight,
559                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
560                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
561                                       io_queue_requests=args.io_queue_requests,
562                                       delay_cmd_submit=args.delay_cmd_submit,
563                                       transport_retry_count=args.transport_retry_count,
564                                       bdev_retry_count=args.bdev_retry_count,
565                                       transport_ack_timeout=args.transport_ack_timeout,
566                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
567                                       reconnect_delay_sec=args.reconnect_delay_sec,
568                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
569                                       disable_auto_failback=args.disable_auto_failback,
570                                       generate_uuids=args.generate_uuids,
571                                       transport_tos=args.transport_tos,
572                                       nvme_error_stat=args.nvme_error_stat,
573                                       rdma_srq_size=args.rdma_srq_size,
574                                       io_path_stat=args.io_path_stat,
575                                       allow_accel_sequence=args.allow_accel_sequence,
576                                       rdma_max_cq_size=args.rdma_max_cq_size)
577
578    p = subparsers.add_parser('bdev_nvme_set_options',
579                              help='Set options for the bdev nvme type. This is startup command.')
580    p.add_argument('-a', '--action-on-timeout',
581                   help="Action to take on command time out. Valid values are: none, reset, abort")
582    p.add_argument('-t', '--timeout-us',
583                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
584    p.add_argument('--timeout-admin-us',
585                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
586    p.add_argument('-k', '--keep-alive-timeout-ms',
587                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
588    p.add_argument('-n', '--retry-count',
589                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
590    p.add_argument('--arbitration-burst',
591                   help='the value is expressed as a power of two', type=int)
592    p.add_argument('--low-priority-weight',
593                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
594    p.add_argument('--medium-priority-weight',
595                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
596    p.add_argument('--high-priority-weight',
597                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
598    p.add_argument('-p', '--nvme-adminq-poll-period-us',
599                   help='How often the admin queue is polled for asynchronous events', type=int)
600    p.add_argument('-i', '--nvme-ioq-poll-period-us',
601                   help='How often to poll I/O queues for completions', type=int)
602    p.add_argument('-s', '--io-queue-requests',
603                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
604    p.add_argument('-d', '--disable-delay-cmd-submit',
605                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
606                   action='store_false', dest='delay_cmd_submit')
607    p.add_argument('-c', '--transport-retry-count',
608                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
609    p.add_argument('-r', '--bdev-retry-count',
610                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
611    p.add_argument('-e', '--transport-ack-timeout',
612                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
613                   Range 0-31 where 0 is driver-specific default value.""", type=int)
614    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
615                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
616                   -1 means infinite reconnect retries. 0 means no reconnect retry.
617                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
618                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
619                   reconnect_delay_sec.
620                   This can be overridden by bdev_nvme_attach_controller.""",
621                   type=int)
622    p.add_argument('-o', '--reconnect-delay-sec',
623                   help="""Time to delay a reconnect retry.
624                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
625                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
626                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
627                   less than ctrlr_loss_timeout_sec.
628                   This can be overridden by bdev_nvme_attach_controller.""",
629                   type=int)
630    p.add_argument('-u', '--fast-io-fail-timeout-sec',
631                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
632                   0 means no such timeout.
633                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
634                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
635                   This can be overridden by bdev_nvme_attach_controller.""",
636                   type=int)
637    p.add_argument('-f', '--disable-auto-failback',
638                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
639                   By default, immediately failback to the preferred I/O path if it restored.""",
640                   action='store_true')
641    p.add_argument('--generate-uuids',
642                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
643                   not provide UUID themselves. These strings are based on device serial number and
644                   namespace ID and will always be the same for that device.""", action='store_true')
645    p.add_argument('--transport-tos',
646                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
647                   The default is 0 which means no TOS is applied.""", type=int)
648    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
649    p.add_argument('-q', '--rdma-srq-size',
650                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
651    p.add_argument('--io-path-stat',
652                   help="""Enable collecting I/O path stat of each io path.""",
653                   action='store_true')
654    p.add_argument('--allow-accel-sequence',
655                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
656                   controller also supports them.''', action='store_true')
657    p.add_argument('--rdma-max-cq-size',
658                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
659
660    p.set_defaults(func=bdev_nvme_set_options)
661
662    def bdev_nvme_set_hotplug(args):
663        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
664
665    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
666    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
667    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
668    p.add_argument('-r', '--period-us',
669                   help='How often the hotplug is processed for insert and remove events', type=int)
670    p.set_defaults(func=bdev_nvme_set_hotplug)
671
672    def bdev_nvme_attach_controller(args):
673        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
674                                                         name=args.name,
675                                                         trtype=args.trtype,
676                                                         traddr=args.traddr,
677                                                         adrfam=args.adrfam,
678                                                         trsvcid=args.trsvcid,
679                                                         priority=args.priority,
680                                                         subnqn=args.subnqn,
681                                                         hostnqn=args.hostnqn,
682                                                         hostaddr=args.hostaddr,
683                                                         hostsvcid=args.hostsvcid,
684                                                         prchk_reftag=args.prchk_reftag,
685                                                         prchk_guard=args.prchk_guard,
686                                                         hdgst=args.hdgst,
687                                                         ddgst=args.ddgst,
688                                                         fabrics_timeout=args.fabrics_timeout,
689                                                         multipath=args.multipath,
690                                                         num_io_queues=args.num_io_queues,
691                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
692                                                         reconnect_delay_sec=args.reconnect_delay_sec,
693                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
694                                                         psk=args.psk,
695                                                         max_bdevs=args.max_bdevs))
696
697    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
698    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
699    p.add_argument('-t', '--trtype',
700                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
701    p.add_argument('-a', '--traddr',
702                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
703    p.add_argument('-f', '--adrfam',
704                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
705    p.add_argument('-s', '--trsvcid',
706                   help='NVMe-oF target trsvcid: e.g., a port number')
707    p.add_argument('-p', '--priority',
708                   help='NVMe-oF connection priority: e.g., a priority number')
709    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
710    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
711    p.add_argument('-i', '--hostaddr',
712                   help='NVMe-oF host address: e.g., an ip address')
713    p.add_argument('-c', '--hostsvcid',
714                   help='NVMe-oF host svcid: e.g., a port number')
715    p.add_argument('-r', '--prchk-reftag',
716                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
717    p.add_argument('-g', '--prchk-guard',
718                   help='Enable checking of PI guard for I/O processing.', action='store_true')
719    p.add_argument('-e', '--hdgst',
720                   help='Enable TCP header digest.', action='store_true')
721    p.add_argument('-d', '--ddgst',
722                   help='Enable TCP data digest.', action='store_true')
723    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
724    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
725    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
726    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
727                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
728                   -1 means infinite reconnect retries. 0 means no reconnect retry.
729                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
730                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
731                   reconnect_delay_sec.""",
732                   type=int)
733    p.add_argument('-o', '--reconnect-delay-sec',
734                   help="""Time to delay a reconnect retry.
735                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
736                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
737                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
738                   less than ctrlr_loss_timeout_sec.""",
739                   type=int)
740    p.add_argument('-u', '--fast-io-fail-timeout-sec',
741                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
742                   0 means no such timeout.
743                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
744                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
745                   type=int)
746    p.add_argument('-k', '--psk',
747                   help='Set PSK file path and enable TCP SSL socket implementation.')
748    p.add_argument('-m', '--max-bdevs', type=int,
749                   help='The size of the name array for newly created bdevs. Default is 128',)
750
751    p.set_defaults(func=bdev_nvme_attach_controller)
752
753    def bdev_nvme_get_controllers(args):
754        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
755                                                      name=args.name))
756
757    p = subparsers.add_parser(
758        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
759    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0", required=False)
760    p.set_defaults(func=bdev_nvme_get_controllers)
761
762    def bdev_nvme_detach_controller(args):
763        rpc.bdev.bdev_nvme_detach_controller(args.client,
764                                             name=args.name,
765                                             trtype=args.trtype,
766                                             traddr=args.traddr,
767                                             adrfam=args.adrfam,
768                                             trsvcid=args.trsvcid,
769                                             subnqn=args.subnqn,
770                                             hostaddr=args.hostaddr,
771                                             hostsvcid=args.hostsvcid)
772
773    p = subparsers.add_parser('bdev_nvme_detach_controller',
774                              help='Detach an NVMe controller and delete any associated bdevs')
775    p.add_argument('name', help="Name of the controller")
776    p.add_argument('-t', '--trtype',
777                   help='NVMe-oF target trtype: e.g., rdma, pcie')
778    p.add_argument('-a', '--traddr',
779                   help='NVMe-oF target address: e.g., an ip address or BDF')
780    p.add_argument('-f', '--adrfam',
781                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
782    p.add_argument('-s', '--trsvcid',
783                   help='NVMe-oF target trsvcid: e.g., a port number')
784    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
785    p.add_argument('-i', '--hostaddr',
786                   help='NVMe-oF host address: e.g., an ip address')
787    p.add_argument('-c', '--hostsvcid',
788                   help='NVMe-oF host svcid: e.g., a port number')
789    p.set_defaults(func=bdev_nvme_detach_controller)
790
791    def bdev_nvme_reset_controller(args):
792        rpc.bdev.bdev_nvme_reset_controller(args.client,
793                                            name=args.name,
794                                            cntlid=args.cntlid)
795
796    p = subparsers.add_parser('bdev_nvme_reset_controller',
797                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
798    p.add_argument('name', help="Name of the NVMe controller")
799    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
800    p.set_defaults(func=bdev_nvme_reset_controller)
801
802    def bdev_nvme_enable_controller(args):
803        rpc.bdev.bdev_nvme_enable_controller(args.client,
804                                             name=args.name,
805                                             cntlid=args.cntlid)
806
807    p = subparsers.add_parser('bdev_nvme_enable_controller',
808                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
809    p.add_argument('name', help="Name of the NVMe controller")
810    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
811    p.set_defaults(func=bdev_nvme_enable_controller)
812
813    def bdev_nvme_disable_controller(args):
814        rpc.bdev.bdev_nvme_disable_controller(args.client,
815                                              name=args.name,
816                                              cntlid=args.cntlid)
817
818    p = subparsers.add_parser('bdev_nvme_disable_controller',
819                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
820    p.add_argument('name', help="Name of the NVMe controller")
821    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
822    p.set_defaults(func=bdev_nvme_disable_controller)
823
824    def bdev_nvme_start_discovery(args):
825        rpc.bdev.bdev_nvme_start_discovery(args.client,
826                                           name=args.name,
827                                           trtype=args.trtype,
828                                           traddr=args.traddr,
829                                           adrfam=args.adrfam,
830                                           trsvcid=args.trsvcid,
831                                           hostnqn=args.hostnqn,
832                                           wait_for_attach=args.wait_for_attach,
833                                           attach_timeout_ms=args.attach_timeout_ms,
834                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
835                                           reconnect_delay_sec=args.reconnect_delay_sec,
836                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
837
838    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
839    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
840    p.add_argument('-t', '--trtype',
841                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
842    p.add_argument('-a', '--traddr',
843                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
844    p.add_argument('-f', '--adrfam',
845                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
846    p.add_argument('-s', '--trsvcid',
847                   help='NVMe-oF target trsvcid: e.g., a port number')
848    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
849    p.add_argument('-w', '--wait-for-attach', action='store_true',
850                   help='Do not complete RPC until all discovered NVM subsystems are attached')
851    p.add_argument('-T', '--attach-timeout-ms', type=int, required=False,
852                   help="""Time to wait until the discovery and all discovered NVM subsystems
853                        are attached (default: 0, meaning wait indefinitely).  Automatically
854                        selects the --wait-for-attach option.""")
855    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
856                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
857                   -1 means infinite reconnect retries. 0 means no reconnect retry.
858                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
859                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
860                   reconnect_delay_sec.""",
861                   type=int)
862    p.add_argument('-o', '--reconnect-delay-sec',
863                   help="""Time to delay a reconnect retry.
864                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
865                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
866                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
867                   less than ctrlr_loss_timeout_sec.""",
868                   type=int)
869    p.add_argument('-u', '--fast-io-fail-timeout-sec',
870                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
871                   0 means no such timeout.
872                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
873                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
874                   type=int)
875    p.set_defaults(func=bdev_nvme_start_discovery)
876
877    def bdev_nvme_stop_discovery(args):
878        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
879
880    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
881    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
882    p.set_defaults(func=bdev_nvme_stop_discovery)
883
884    def bdev_nvme_get_discovery_info(args):
885        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
886
887    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
888    p.set_defaults(func=bdev_nvme_get_discovery_info)
889
890    def bdev_nvme_get_io_paths(args):
891        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
892
893    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
894    p.add_argument('-n', '--name', help="Name of the NVMe bdev", required=False)
895    p.set_defaults(func=bdev_nvme_get_io_paths)
896
897    def bdev_nvme_set_preferred_path(args):
898        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
899                                              name=args.name,
900                                              cntlid=args.cntlid)
901
902    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
903                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
904    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
905    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
906    p.set_defaults(func=bdev_nvme_set_preferred_path)
907
908    def bdev_nvme_set_multipath_policy(args):
909        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
910                                                name=args.name,
911                                                policy=args.policy,
912                                                selector=args.selector,
913                                                rr_min_io=args.rr_min_io)
914
915    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
916                              help="""Set multipath policy of the NVMe bdev""")
917    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
918    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
919    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)', required=False)
920    p.add_argument('-r', '--rr-min-io',
921                   help='Number of IO to route to a path before switching to another for round-robin',
922                   type=int, required=False)
923    p.set_defaults(func=bdev_nvme_set_multipath_policy)
924
925    def bdev_nvme_get_path_iostat(args):
926        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
927                                                      name=args.name))
928
929    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
930                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
931                              called when io_path_stat is true.""")
932    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
933    p.set_defaults(func=bdev_nvme_get_path_iostat)
934
935    def bdev_nvme_cuse_register(args):
936        rpc.bdev.bdev_nvme_cuse_register(args.client,
937                                         name=args.name)
938
939    p = subparsers.add_parser('bdev_nvme_cuse_register',
940                              help='Register CUSE devices on NVMe controller')
941    p.add_argument('-n', '--name',
942                   help='Name of the NVMe controller. Example: Nvme0', required=True)
943    p.set_defaults(func=bdev_nvme_cuse_register)
944
945    def bdev_nvme_cuse_unregister(args):
946        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
947                                           name=args.name)
948
949    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
950                              help='Unregister CUSE devices on NVMe controller')
951    p.add_argument('-n', '--name',
952                   help='Name of the NVMe controller. Example: Nvme0', required=True)
953    p.set_defaults(func=bdev_nvme_cuse_unregister)
954
955    def bdev_zone_block_create(args):
956        print_json(rpc.bdev.bdev_zone_block_create(args.client,
957                                                   name=args.name,
958                                                   base_bdev=args.base_bdev,
959                                                   zone_capacity=args.zone_capacity,
960                                                   optimal_open_zones=args.optimal_open_zones))
961
962    p = subparsers.add_parser('bdev_zone_block_create',
963                              help='Create virtual zone namespace device with block device backend')
964    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
965    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
966    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
967    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
968    p.set_defaults(func=bdev_zone_block_create)
969
970    def bdev_zone_block_delete(args):
971        rpc.bdev.bdev_zone_block_delete(args.client,
972                                        name=args.name)
973
974    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
975    p.add_argument('name', help='Virtual zone bdev name')
976    p.set_defaults(func=bdev_zone_block_delete)
977
978    def bdev_rbd_register_cluster(args):
979        config_param = None
980        if args.config_param:
981            config_param = {}
982            for entry in args.config_param:
983                parts = entry.split('=', 1)
984                if len(parts) != 2:
985                    raise Exception('--config %s not in key=value form' % entry)
986                config_param[parts[0]] = parts[1]
987        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
988                                                      name=args.name,
989                                                      user=args.user,
990                                                      config_param=config_param,
991                                                      config_file=args.config_file,
992                                                      key_file=args.key_file,
993                                                      core_mask=args.core_mask))
994
995    p = subparsers.add_parser('bdev_rbd_register_cluster',
996                              help='Add a Rados cluster with ceph rbd backend')
997    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
998    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
999    p.add_argument('--config-param', action='append', metavar='key=value',
1000                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1001    p.add_argument('--config-file', help="The file path of the Rados configuration file", required=False)
1002    p.add_argument('--key-file', help="The file path of the Rados keyring file", required=False)
1003    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads", required=False)
1004    p.set_defaults(func=bdev_rbd_register_cluster)
1005
1006    def bdev_rbd_unregister_cluster(args):
1007        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1008
1009    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1010                              help='Unregister a Rados cluster object')
1011    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1012    p.set_defaults(func=bdev_rbd_unregister_cluster)
1013
1014    def bdev_rbd_get_clusters_info(args):
1015        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1016
1017    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1018                              help='Display registered Rados Cluster names and related info')
1019    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1", required=False)
1020    p.set_defaults(func=bdev_rbd_get_clusters_info)
1021
1022    def bdev_rbd_create(args):
1023        config = None
1024        if args.config:
1025            config = {}
1026            for entry in args.config:
1027                parts = entry.split('=', 1)
1028                if len(parts) != 2:
1029                    raise Exception('--config %s not in key=value form' % entry)
1030                config[parts[0]] = parts[1]
1031        print_json(rpc.bdev.bdev_rbd_create(args.client,
1032                                            name=args.name,
1033                                            user=args.user,
1034                                            config=config,
1035                                            pool_name=args.pool_name,
1036                                            rbd_name=args.rbd_name,
1037                                            block_size=args.block_size,
1038                                            cluster_name=args.cluster_name,
1039                                            uuid=args.uuid))
1040
1041    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1042    p.add_argument('-b', '--name', help="Name of the bdev", required=False)
1043    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
1044    p.add_argument('--config', action='append', metavar='key=value',
1045                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1046    p.add_argument('pool_name', help='rbd pool name')
1047    p.add_argument('rbd_name', help='rbd image name')
1048    p.add_argument('block_size', help='rbd block size', type=int)
1049    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster", required=False)
1050    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1051    p.set_defaults(func=bdev_rbd_create)
1052
1053    def bdev_rbd_delete(args):
1054        rpc.bdev.bdev_rbd_delete(args.client,
1055                                 name=args.name)
1056
1057    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1058    p.add_argument('name', help='rbd bdev name')
1059    p.set_defaults(func=bdev_rbd_delete)
1060
1061    def bdev_rbd_resize(args):
1062        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1063                                            name=args.name,
1064                                            new_size=int(args.new_size)))
1065
1066    p = subparsers.add_parser('bdev_rbd_resize',
1067                              help='Resize a rbd bdev')
1068    p.add_argument('name', help='rbd bdev name')
1069    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1070    p.set_defaults(func=bdev_rbd_resize)
1071
1072    def bdev_delay_create(args):
1073        print_json(rpc.bdev.bdev_delay_create(args.client,
1074                                              base_bdev_name=args.base_bdev_name,
1075                                              name=args.name,
1076                                              uuid=args.uuid,
1077                                              avg_read_latency=args.avg_read_latency,
1078                                              p99_read_latency=args.nine_nine_read_latency,
1079                                              avg_write_latency=args.avg_write_latency,
1080                                              p99_write_latency=args.nine_nine_write_latency))
1081
1082    p = subparsers.add_parser('bdev_delay_create',
1083                              help='Add a delay bdev on existing bdev')
1084    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1085    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1086    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1087    p.add_argument('-r', '--avg-read-latency',
1088                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1089    p.add_argument('-t', '--nine-nine-read-latency',
1090                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1091    p.add_argument('-w', '--avg-write-latency',
1092                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1093    p.add_argument('-n', '--nine-nine-write-latency',
1094                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1095    p.set_defaults(func=bdev_delay_create)
1096
1097    def bdev_delay_delete(args):
1098        rpc.bdev.bdev_delay_delete(args.client,
1099                                   name=args.name)
1100
1101    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1102    p.add_argument('name', help='delay bdev name')
1103    p.set_defaults(func=bdev_delay_delete)
1104
1105    def bdev_delay_update_latency(args):
1106        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1107                                                      delay_bdev_name=args.delay_bdev_name,
1108                                                      latency_type=args.latency_type,
1109                                                      latency_us=args.latency_us))
1110    p = subparsers.add_parser('bdev_delay_update_latency',
1111                              help='Update one of the latency values for a given delay bdev')
1112    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1113    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1114    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1115    p.set_defaults(func=bdev_delay_update_latency)
1116
1117    def bdev_error_create(args):
1118        print_json(rpc.bdev.bdev_error_create(args.client,
1119                                              base_name=args.base_name,
1120                                              uuid=args.uuid))
1121
1122    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1123    p.add_argument('base_name', help='base bdev name')
1124    p.add_argument('--uuid', help='UUID for this bdev', required=False)
1125    p.set_defaults(func=bdev_error_create)
1126
1127    def bdev_error_delete(args):
1128        rpc.bdev.bdev_error_delete(args.client,
1129                                   name=args.name)
1130
1131    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1132    p.add_argument('name', help='error bdev name')
1133    p.set_defaults(func=bdev_error_delete)
1134
1135    def bdev_iscsi_set_options(args):
1136        rpc.bdev.bdev_iscsi_set_options(args.client,
1137                                        timeout_sec=args.timeout_sec)
1138
1139    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1140    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1141    p.set_defaults(func=bdev_iscsi_set_options)
1142
1143    def bdev_iscsi_create(args):
1144        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1145                                              name=args.name,
1146                                              url=args.url,
1147                                              initiator_iqn=args.initiator_iqn))
1148
1149    p = subparsers.add_parser('bdev_iscsi_create',
1150                              help='Add bdev with iSCSI initiator backend')
1151    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1152    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1153    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1154    p.set_defaults(func=bdev_iscsi_create)
1155
1156    def bdev_iscsi_delete(args):
1157        rpc.bdev.bdev_iscsi_delete(args.client,
1158                                   name=args.name)
1159
1160    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1161    p.add_argument('name', help='iSCSI bdev name')
1162    p.set_defaults(func=bdev_iscsi_delete)
1163
1164    def bdev_passthru_create(args):
1165        print_json(rpc.bdev.bdev_passthru_create(args.client,
1166                                                 base_bdev_name=args.base_bdev_name,
1167                                                 name=args.name,
1168                                                 uuid=args.uuid))
1169
1170    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1171    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1172    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1173    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1174    p.set_defaults(func=bdev_passthru_create)
1175
1176    def bdev_passthru_delete(args):
1177        rpc.bdev.bdev_passthru_delete(args.client,
1178                                      name=args.name)
1179
1180    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1181    p.add_argument('name', help='pass through bdev name')
1182    p.set_defaults(func=bdev_passthru_delete)
1183
1184    def bdev_get_bdevs(args):
1185        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1186                                           name=args.name, timeout=args.timeout_ms))
1187
1188    p = subparsers.add_parser('bdev_get_bdevs',
1189                              help='Display current blockdev list or required blockdev')
1190    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1191    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1192    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1193    whether the bdev exists or not.""",
1194                   type=int, required=False)
1195    p.set_defaults(func=bdev_get_bdevs)
1196
1197    def bdev_get_iostat(args):
1198        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1199                                            name=args.name,
1200                                            per_channel=args.per_channel))
1201
1202    p = subparsers.add_parser('bdev_get_iostat',
1203                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1204    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1205    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1206                   action='store_true', required=False)
1207    p.set_defaults(func=bdev_get_iostat)
1208
1209    def bdev_reset_iostat(args):
1210        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1211
1212    p = subparsers.add_parser('bdev_reset_iostat',
1213                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1214    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1215    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'], required=False)
1216    p.set_defaults(func=bdev_reset_iostat)
1217
1218    def bdev_enable_histogram(args):
1219        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1220
1221    p = subparsers.add_parser('bdev_enable_histogram',
1222                              help='Enable or disable histogram for specified bdev')
1223    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1224    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1225    p.add_argument('name', help='bdev name')
1226    p.set_defaults(func=bdev_enable_histogram)
1227
1228    def bdev_get_histogram(args):
1229        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1230
1231    p = subparsers.add_parser('bdev_get_histogram',
1232                              help='Get histogram for specified bdev')
1233    p.add_argument('name', help='bdev name')
1234    p.set_defaults(func=bdev_get_histogram)
1235
1236    def bdev_set_qd_sampling_period(args):
1237        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1238                                             name=args.name,
1239                                             period=args.period)
1240
1241    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1242                              help="Enable or disable tracking of a bdev's queue depth.")
1243    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1244    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1245                   ' If set to 0, polling will be disabled.',
1246                   type=int)
1247    p.set_defaults(func=bdev_set_qd_sampling_period)
1248
1249    def bdev_set_qos_limit(args):
1250        rpc.bdev.bdev_set_qos_limit(args.client,
1251                                    name=args.name,
1252                                    rw_ios_per_sec=args.rw_ios_per_sec,
1253                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1254                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1255                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1256
1257    p = subparsers.add_parser('bdev_set_qos_limit',
1258                              help='Set QoS rate limit on a blockdev')
1259    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1260    p.add_argument('--rw-ios-per-sec',
1261                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1262                   type=int, required=False)
1263    p.add_argument('--rw-mbytes-per-sec',
1264                   help="R/W megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1265                   type=int, required=False)
1266    p.add_argument('--r-mbytes-per-sec',
1267                   help="Read megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1268                   type=int, required=False)
1269    p.add_argument('--w-mbytes-per-sec',
1270                   help="Write megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1271                   type=int, required=False)
1272    p.set_defaults(func=bdev_set_qos_limit)
1273
1274    def bdev_error_inject_error(args):
1275        rpc.bdev.bdev_error_inject_error(args.client,
1276                                         name=args.name,
1277                                         io_type=args.io_type,
1278                                         error_type=args.error_type,
1279                                         num=args.num,
1280                                         queue_depth=args.queue_depth,
1281                                         corrupt_offset=args.corrupt_offset,
1282                                         corrupt_value=args.corrupt_value)
1283
1284    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1285    p.add_argument('name', help="""the name of the error injection bdev""")
1286    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1287    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1288    p.add_argument(
1289        '-n', '--num', help='the number of commands you want to fail', type=int)
1290    p.add_argument(
1291        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1292    p.add_argument(
1293        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1294    p.add_argument(
1295        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1296    p.set_defaults(func=bdev_error_inject_error)
1297
1298    def bdev_nvme_apply_firmware(args):
1299        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1300                                                     bdev_name=args.bdev_name,
1301                                                     filename=args.filename))
1302
1303    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1304    p.add_argument('filename', help='filename of the firmware to download')
1305    p.add_argument('bdev_name', help='name of the NVMe device')
1306    p.set_defaults(func=bdev_nvme_apply_firmware)
1307
1308    def bdev_nvme_get_transport_statistics(args):
1309        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1310
1311    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1312                              help='Get bdev_nvme poll group transport statistics')
1313    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1314
1315    def bdev_nvme_get_controller_health_info(args):
1316        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1317                                                                 name=args.name))
1318
1319    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1320                              help='Display health log of the required NVMe bdev controller.')
1321    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1322    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1323
1324    # iSCSI
1325    def iscsi_set_options(args):
1326        rpc.iscsi.iscsi_set_options(
1327            args.client,
1328            auth_file=args.auth_file,
1329            node_base=args.node_base,
1330            nop_timeout=args.nop_timeout,
1331            nop_in_interval=args.nop_in_interval,
1332            disable_chap=args.disable_chap,
1333            require_chap=args.require_chap,
1334            mutual_chap=args.mutual_chap,
1335            chap_group=args.chap_group,
1336            max_sessions=args.max_sessions,
1337            max_queue_depth=args.max_queue_depth,
1338            max_connections_per_session=args.max_connections_per_session,
1339            default_time2wait=args.default_time2wait,
1340            default_time2retain=args.default_time2retain,
1341            first_burst_length=args.first_burst_length,
1342            immediate_data=args.immediate_data,
1343            error_recovery_level=args.error_recovery_level,
1344            allow_duplicated_isid=args.allow_duplicated_isid,
1345            max_large_datain_per_connection=args.max_large_datain_per_connection,
1346            max_r2t_per_connection=args.max_r2t_per_connection,
1347            pdu_pool_size=args.pdu_pool_size,
1348            immediate_data_pool_size=args.immediate_data_pool_size,
1349            data_out_pool_size=args.data_out_pool_size)
1350
1351    p = subparsers.add_parser('iscsi_set_options',
1352                              help="""Set options of iSCSI subsystem""")
1353    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1354    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1355    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1356    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1357    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1358    *** Mutually exclusive with --require-chap""", action='store_true')
1359    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1360    *** Mutually exclusive with --disable-chap""", action='store_true')
1361    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1362    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1363    *** Authentication group must be precreated ***""", type=int)
1364    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1365    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1366    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1367    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1368    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1369    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1370    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1371    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1372    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1373    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1374    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1375    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1376    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1377    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1378    p.set_defaults(func=iscsi_set_options)
1379
1380    def iscsi_set_discovery_auth(args):
1381        rpc.iscsi.iscsi_set_discovery_auth(
1382            args.client,
1383            disable_chap=args.disable_chap,
1384            require_chap=args.require_chap,
1385            mutual_chap=args.mutual_chap,
1386            chap_group=args.chap_group)
1387
1388    p = subparsers.add_parser('iscsi_set_discovery_auth',
1389                              help="""Set CHAP authentication for discovery session.""")
1390    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1391    *** Mutually exclusive with --require-chap""", action='store_true')
1392    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1393    *** Mutually exclusive with --disable-chap""", action='store_true')
1394    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1395    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1396    *** Authentication group must be precreated ***""", type=int)
1397    p.set_defaults(func=iscsi_set_discovery_auth)
1398
1399    def iscsi_create_auth_group(args):
1400        secrets = None
1401        if args.secrets:
1402            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1403
1404        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1405
1406    p = subparsers.add_parser('iscsi_create_auth_group',
1407                              help='Create authentication group for CHAP authentication.')
1408    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1409    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1410<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1411Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""", required=False)
1412    p.set_defaults(func=iscsi_create_auth_group)
1413
1414    def iscsi_delete_auth_group(args):
1415        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1416
1417    p = subparsers.add_parser('iscsi_delete_auth_group',
1418                              help='Delete an authentication group.')
1419    p.add_argument('tag', help='Authentication group tag', type=int)
1420    p.set_defaults(func=iscsi_delete_auth_group)
1421
1422    def iscsi_auth_group_add_secret(args):
1423        rpc.iscsi.iscsi_auth_group_add_secret(
1424            args.client,
1425            tag=args.tag,
1426            user=args.user,
1427            secret=args.secret,
1428            muser=args.muser,
1429            msecret=args.msecret)
1430
1431    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1432                              help='Add a secret to an authentication group.')
1433    p.add_argument('tag', help='Authentication group tag', type=int)
1434    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1435    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1436    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1437    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1438    p.set_defaults(func=iscsi_auth_group_add_secret)
1439
1440    def iscsi_auth_group_remove_secret(args):
1441        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1442
1443    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1444                              help='Remove a secret from an authentication group.')
1445    p.add_argument('tag', help='Authentication group tag', type=int)
1446    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1447    p.set_defaults(func=iscsi_auth_group_remove_secret)
1448
1449    def iscsi_get_auth_groups(args):
1450        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1451
1452    p = subparsers.add_parser('iscsi_get_auth_groups',
1453                              help='Display current authentication group configuration')
1454    p.set_defaults(func=iscsi_get_auth_groups)
1455
1456    def iscsi_get_portal_groups(args):
1457        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1458
1459    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1460    p.set_defaults(func=iscsi_get_portal_groups)
1461
1462    def iscsi_get_initiator_groups(args):
1463        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1464
1465    p = subparsers.add_parser('iscsi_get_initiator_groups',
1466                              help='Display current initiator group configuration')
1467    p.set_defaults(func=iscsi_get_initiator_groups)
1468
1469    def iscsi_get_target_nodes(args):
1470        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1471
1472    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1473    p.set_defaults(func=iscsi_get_target_nodes)
1474
1475    def iscsi_create_target_node(args):
1476        luns = []
1477        for u in args.bdev_name_id_pairs.strip().split(" "):
1478            bdev_name, lun_id = u.split(":")
1479            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1480
1481        pg_ig_maps = []
1482        for u in args.pg_ig_mappings.strip().split(" "):
1483            pg, ig = u.split(":")
1484            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1485
1486        rpc.iscsi.iscsi_create_target_node(
1487            args.client,
1488            luns=luns,
1489            pg_ig_maps=pg_ig_maps,
1490            name=args.name,
1491            alias_name=args.alias_name,
1492            queue_depth=args.queue_depth,
1493            chap_group=args.chap_group,
1494            disable_chap=args.disable_chap,
1495            require_chap=args.require_chap,
1496            mutual_chap=args.mutual_chap,
1497            header_digest=args.header_digest,
1498            data_digest=args.data_digest)
1499
1500    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1501    p.add_argument('name', help='Target node name (ASCII)')
1502    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1503    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1504    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1505    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1506    *** The bdevs must pre-exist ***
1507    *** LUN0 (id = 0) is required ***
1508    *** bdevs names cannot contain space or colon characters ***""")
1509    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1510    Whitespace separated, quoted, mapping defined with colon
1511    separated list of "tags" (int > 0)
1512    Example: '1:1 2:2 2:1'
1513    *** The Portal/Initiator Groups must be precreated ***""")
1514    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1515    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1516    *** Authentication group must be precreated ***""", type=int)
1517    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1518    *** Mutually exclusive with --require-chap ***""", action='store_true')
1519    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1520    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1521    p.add_argument(
1522        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1523    p.add_argument('-H', '--header-digest',
1524                   help='Header Digest should be required for this target node.', action='store_true')
1525    p.add_argument('-D', '--data-digest',
1526                   help='Data Digest should be required for this target node.', action='store_true')
1527    p.set_defaults(func=iscsi_create_target_node)
1528
1529    def iscsi_target_node_add_lun(args):
1530        rpc.iscsi.iscsi_target_node_add_lun(
1531            args.client,
1532            name=args.name,
1533            bdev_name=args.bdev_name,
1534            lun_id=args.lun_id)
1535
1536    p = subparsers.add_parser('iscsi_target_node_add_lun',
1537                              help='Add LUN to the target node')
1538    p.add_argument('name', help='Target node name (ASCII)')
1539    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1540    *** bdev name cannot contain space or colon characters ***""")
1541    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1542    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int, required=False)
1543    p.set_defaults(func=iscsi_target_node_add_lun)
1544
1545    def iscsi_target_node_set_auth(args):
1546        rpc.iscsi.iscsi_target_node_set_auth(
1547            args.client,
1548            name=args.name,
1549            chap_group=args.chap_group,
1550            disable_chap=args.disable_chap,
1551            require_chap=args.require_chap,
1552            mutual_chap=args.mutual_chap)
1553
1554    p = subparsers.add_parser('iscsi_target_node_set_auth',
1555                              help='Set CHAP authentication for the target node')
1556    p.add_argument('name', help='Target node name (ASCII)')
1557    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1558    *** Authentication group must be precreated ***""", type=int)
1559    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1560    *** Mutually exclusive with --require-chap ***""", action='store_true')
1561    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1562    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1563    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1564                   action='store_true')
1565    p.set_defaults(func=iscsi_target_node_set_auth)
1566
1567    def iscsi_target_node_add_pg_ig_maps(args):
1568        pg_ig_maps = []
1569        for u in args.pg_ig_mappings.strip().split(" "):
1570            pg, ig = u.split(":")
1571            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1572        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1573            args.client,
1574            pg_ig_maps=pg_ig_maps,
1575            name=args.name)
1576
1577    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1578                              help='Add PG-IG maps to the target node')
1579    p.add_argument('name', help='Target node name (ASCII)')
1580    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1581    Whitespace separated, quoted, mapping defined with colon
1582    separated list of "tags" (int > 0)
1583    Example: '1:1 2:2 2:1'
1584    *** The Portal/Initiator Groups must be precreated ***""")
1585    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1586
1587    def iscsi_target_node_remove_pg_ig_maps(args):
1588        pg_ig_maps = []
1589        for u in args.pg_ig_mappings.strip().split(" "):
1590            pg, ig = u.split(":")
1591            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1592        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1593            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1594
1595    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1596                              help='Delete PG-IG maps from the target node')
1597    p.add_argument('name', help='Target node name (ASCII)')
1598    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1599    Whitespace separated, quoted, mapping defined with colon
1600    separated list of "tags" (int > 0)
1601    Example: '1:1 2:2 2:1'
1602    *** The Portal/Initiator Groups must be precreated ***""")
1603    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1604
1605    def iscsi_target_node_set_redirect(args):
1606        rpc.iscsi.iscsi_target_node_set_redirect(
1607            args.client,
1608            name=args.name,
1609            pg_tag=args.pg_tag,
1610            redirect_host=args.redirect_host,
1611            redirect_port=args.redirect_port)
1612
1613    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1614                              help="""Update redirect portal of the public portal group for the target node.
1615    Omit redirect host and port to clear previously set redirect settings.""")
1616    p.add_argument('name', help='Target node name (ASCII)')
1617    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1618    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal', required=False)
1619    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal', required=False)
1620    p.set_defaults(func=iscsi_target_node_set_redirect)
1621
1622    def iscsi_target_node_request_logout(args):
1623        rpc.iscsi.iscsi_target_node_request_logout(
1624            args.client,
1625            name=args.name,
1626            pg_tag=args.pg_tag)
1627
1628    p = subparsers.add_parser('iscsi_target_node_request_logout',
1629                              help="""For the target node, request connections whose portal group tag
1630    match to logout, or request all connections if portal group tag is omitted.""")
1631    p.add_argument('name', help='Target node name (ASCII)')
1632    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int, required=False)
1633    p.set_defaults(func=iscsi_target_node_request_logout)
1634
1635    def iscsi_create_portal_group(args):
1636        portals = []
1637        for p in args.portal_list.strip().split(' '):
1638            ip, separator, port_cpumask = p.rpartition(':')
1639            split_port_cpumask = port_cpumask.split('@')
1640            if len(split_port_cpumask) == 1:
1641                port = port_cpumask
1642                portals.append({'host': ip, 'port': port})
1643            else:
1644                port = split_port_cpumask[0]
1645                cpumask = split_port_cpumask[1]
1646                portals.append({'host': ip, 'port': port})
1647                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1648        rpc.iscsi.iscsi_create_portal_group(
1649            args.client,
1650            portals=portals,
1651            tag=args.tag,
1652            private=args.private,
1653            wait=args.wait)
1654
1655    p = subparsers.add_parser('iscsi_create_portal_group',
1656                              help='Add a portal group')
1657    p.add_argument(
1658        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1659    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1660    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1661    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1662    Private portal groups do not have their portals returned by a discovery session. A public
1663    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1664    portal must be from a private portal group.""", action='store_true')
1665    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1666    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1667    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1668    p.set_defaults(func=iscsi_create_portal_group)
1669
1670    def iscsi_start_portal_group(args):
1671        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1672
1673    p = subparsers.add_parser('iscsi_start_portal_group',
1674                              help='Start listening on portals if it is not started yet.')
1675    p.add_argument(
1676        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1677    p.set_defaults(func=iscsi_start_portal_group)
1678
1679    def iscsi_create_initiator_group(args):
1680        initiators = []
1681        netmasks = []
1682        for i in args.initiator_list.strip().split(' '):
1683            initiators.append(i)
1684        for n in args.netmask_list.strip().split(' '):
1685            netmasks.append(n)
1686        rpc.iscsi.iscsi_create_initiator_group(
1687            args.client,
1688            tag=args.tag,
1689            initiators=initiators,
1690            netmasks=netmasks)
1691
1692    p = subparsers.add_parser('iscsi_create_initiator_group',
1693                              help='Add an initiator group')
1694    p.add_argument(
1695        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1696    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1697    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1698    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1699    Example: '255.255.0.0 255.248.0.0' etc""")
1700    p.set_defaults(func=iscsi_create_initiator_group)
1701
1702    def iscsi_initiator_group_add_initiators(args):
1703        initiators = None
1704        netmasks = None
1705        if args.initiator_list:
1706            initiators = []
1707            for i in args.initiator_list.strip().split(' '):
1708                initiators.append(i)
1709        if args.netmask_list:
1710            netmasks = []
1711            for n in args.netmask_list.strip().split(' '):
1712                netmasks.append(n)
1713        rpc.iscsi.iscsi_initiator_group_add_initiators(
1714            args.client,
1715            tag=args.tag,
1716            initiators=initiators,
1717            netmasks=netmasks)
1718
1719    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1720                              help='Add initiators to an existing initiator group')
1721    p.add_argument(
1722        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1723    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1724    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1725    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1726    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1727    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1728    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1729
1730    def iscsi_initiator_group_remove_initiators(args):
1731        initiators = None
1732        netmasks = None
1733        if args.initiator_list:
1734            initiators = []
1735            for i in args.initiator_list.strip().split(' '):
1736                initiators.append(i)
1737        if args.netmask_list:
1738            netmasks = []
1739            for n in args.netmask_list.strip().split(' '):
1740                netmasks.append(n)
1741        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1742            args.client,
1743            tag=args.tag,
1744            initiators=initiators,
1745            netmasks=netmasks)
1746
1747    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1748                              help='Delete initiators from an existing initiator group')
1749    p.add_argument(
1750        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1751    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1752    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1753    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1754    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1755    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1756    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1757
1758    def iscsi_delete_target_node(args):
1759        rpc.iscsi.iscsi_delete_target_node(
1760            args.client, target_node_name=args.target_node_name)
1761
1762    p = subparsers.add_parser('iscsi_delete_target_node',
1763                              help='Delete a target node')
1764    p.add_argument('target_node_name',
1765                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1766    p.set_defaults(func=iscsi_delete_target_node)
1767
1768    def iscsi_delete_portal_group(args):
1769        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1770
1771    p = subparsers.add_parser('iscsi_delete_portal_group',
1772                              help='Delete a portal group')
1773    p.add_argument(
1774        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1775    p.set_defaults(func=iscsi_delete_portal_group)
1776
1777    def iscsi_delete_initiator_group(args):
1778        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1779
1780    p = subparsers.add_parser('iscsi_delete_initiator_group',
1781                              help='Delete an initiator group')
1782    p.add_argument(
1783        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1784    p.set_defaults(func=iscsi_delete_initiator_group)
1785
1786    def iscsi_portal_group_set_auth(args):
1787        rpc.iscsi.iscsi_portal_group_set_auth(
1788            args.client,
1789            tag=args.tag,
1790            chap_group=args.chap_group,
1791            disable_chap=args.disable_chap,
1792            require_chap=args.require_chap,
1793            mutual_chap=args.mutual_chap)
1794
1795    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1796                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1797    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1798    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1799    *** Authentication group must be precreated ***""", type=int)
1800    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1801    *** Mutually exclusive with --require-chap ***""", action='store_true')
1802    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1803    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1804    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1805                   action='store_true')
1806    p.set_defaults(func=iscsi_portal_group_set_auth)
1807
1808    def iscsi_get_connections(args):
1809        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1810
1811    p = subparsers.add_parser('iscsi_get_connections',
1812                              help='Display iSCSI connections')
1813    p.set_defaults(func=iscsi_get_connections)
1814
1815    def iscsi_get_options(args):
1816        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1817
1818    p = subparsers.add_parser('iscsi_get_options',
1819                              help='Display iSCSI global parameters')
1820    p.set_defaults(func=iscsi_get_options)
1821
1822    def scsi_get_devices(args):
1823        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1824
1825    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1826    p.set_defaults(func=scsi_get_devices)
1827
1828    # trace
1829    def trace_enable_tpoint_group(args):
1830        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1831
1832    p = subparsers.add_parser('trace_enable_tpoint_group',
1833                              help='enable trace on a specific tpoint group')
1834    p.add_argument(
1835        'name', help="""trace group name we want to enable in tpoint_group_mask.
1836        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1837    p.set_defaults(func=trace_enable_tpoint_group)
1838
1839    def trace_disable_tpoint_group(args):
1840        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1841
1842    p = subparsers.add_parser('trace_disable_tpoint_group',
1843                              help='disable trace on a specific tpoint group')
1844    p.add_argument(
1845        'name', help="""trace group name we want to disable in tpoint_group_mask.
1846        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1847    p.set_defaults(func=trace_disable_tpoint_group)
1848
1849    def trace_set_tpoint_mask(args):
1850        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1851
1852    p = subparsers.add_parser('trace_set_tpoint_mask',
1853                              help='enable tracepoint mask on a specific tpoint group')
1854    p.add_argument(
1855        'name', help="""trace group name we want to enable in tpoint_group_mask.
1856        (for example "bdev" for bdev trace group)""")
1857    p.add_argument(
1858        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1859        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1860        type=lambda m: int(m, 16))
1861    p.set_defaults(func=trace_set_tpoint_mask)
1862
1863    def trace_clear_tpoint_mask(args):
1864        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1865
1866    p = subparsers.add_parser('trace_clear_tpoint_mask',
1867                              help='disable tracepoint mask on a specific tpoint group')
1868    p.add_argument(
1869        'name', help="""trace group name we want to disable in tpoint_group_mask.
1870        (for example "bdev" for bdev trace group)""")
1871    p.add_argument(
1872        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1873        (for example value of "0x3" will disable the first two tpoints in this group)""",
1874        type=lambda m: int(m, 16))
1875    p.set_defaults(func=trace_clear_tpoint_mask)
1876
1877    def trace_get_tpoint_group_mask(args):
1878        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1879
1880    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1881    p.set_defaults(func=trace_get_tpoint_group_mask)
1882
1883    def trace_get_info(args):
1884        print_dict(rpc.trace.trace_get_info(args.client))
1885
1886    p = subparsers.add_parser('trace_get_info',
1887                              help='get name of shared memory file and list of the available trace point groups')
1888    p.set_defaults(func=trace_get_info)
1889
1890    # log
1891    def log_set_flag(args):
1892        rpc.log.log_set_flag(args.client, flag=args.flag)
1893
1894    p = subparsers.add_parser('log_set_flag', help='set log flag')
1895    p.add_argument(
1896        'flag', help='log flag we want to set. (for example "nvme").')
1897    p.set_defaults(func=log_set_flag)
1898
1899    def log_clear_flag(args):
1900        rpc.log.log_clear_flag(args.client, flag=args.flag)
1901
1902    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1903    p.add_argument(
1904        'flag', help='log flag we want to clear. (for example "nvme").')
1905    p.set_defaults(func=log_clear_flag)
1906
1907    def log_get_flags(args):
1908        print_dict(rpc.log.log_get_flags(args.client))
1909
1910    p = subparsers.add_parser('log_get_flags', help='get log flags')
1911    p.set_defaults(func=log_get_flags)
1912
1913    def log_set_level(args):
1914        rpc.log.log_set_level(args.client, level=args.level)
1915
1916    p = subparsers.add_parser('log_set_level', help='set log level')
1917    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1918    p.set_defaults(func=log_set_level)
1919
1920    def log_get_level(args):
1921        print_dict(rpc.log.log_get_level(args.client))
1922
1923    p = subparsers.add_parser('log_get_level', help='get log level')
1924    p.set_defaults(func=log_get_level)
1925
1926    def log_set_print_level(args):
1927        rpc.log.log_set_print_level(args.client, level=args.level)
1928
1929    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1930    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1931    p.set_defaults(func=log_set_print_level)
1932
1933    def log_get_print_level(args):
1934        print_dict(rpc.log.log_get_print_level(args.client))
1935
1936    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1937    p.set_defaults(func=log_get_print_level)
1938
1939    # lvol
1940    def bdev_lvol_create_lvstore(args):
1941        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1942                                                     bdev_name=args.bdev_name,
1943                                                     lvs_name=args.lvs_name,
1944                                                     cluster_sz=args.cluster_sz,
1945                                                     clear_method=args.clear_method,
1946                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
1947
1948    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
1949    p.add_argument('bdev_name', help='base bdev name')
1950    p.add_argument('lvs_name', help='name for lvol store')
1951    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
1952    p.add_argument('--clear-method', help="""Change clear method for data region.
1953        Available: none, unmap, write_zeroes""", required=False)
1954    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int, required=False)
1955    p.set_defaults(func=bdev_lvol_create_lvstore)
1956
1957    def bdev_lvol_rename_lvstore(args):
1958        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1959                                          old_name=args.old_name,
1960                                          new_name=args.new_name)
1961
1962    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
1963    p.add_argument('old_name', help='old name')
1964    p.add_argument('new_name', help='new name')
1965    p.set_defaults(func=bdev_lvol_rename_lvstore)
1966
1967    def bdev_lvol_grow_lvstore(args):
1968        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
1969                                                   uuid=args.uuid,
1970                                                   lvs_name=args.lvs_name))
1971
1972    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
1973                              help='Grow the lvstore size to the underlying bdev size')
1974    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1975    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1976    p.set_defaults(func=bdev_lvol_grow_lvstore)
1977
1978    def bdev_lvol_create(args):
1979        print_json(rpc.lvol.bdev_lvol_create(args.client,
1980                                             lvol_name=args.lvol_name,
1981                                             size_in_mib=args.size_in_mib,
1982                                             thin_provision=args.thin_provision,
1983                                             clear_method=args.clear_method,
1984                                             uuid=args.uuid,
1985                                             lvs_name=args.lvs_name))
1986
1987    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
1988    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1989    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1990    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
1991    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
1992        Available: none, unmap, write_zeroes""", required=False)
1993    p.add_argument('lvol_name', help='name for this lvol')
1994    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
1995    p.set_defaults(func=bdev_lvol_create)
1996
1997    def bdev_lvol_snapshot(args):
1998        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
1999                                               lvol_name=args.lvol_name,
2000                                               snapshot_name=args.snapshot_name))
2001
2002    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2003    p.add_argument('lvol_name', help='lvol bdev name')
2004    p.add_argument('snapshot_name', help='lvol snapshot name')
2005    p.set_defaults(func=bdev_lvol_snapshot)
2006
2007    def bdev_lvol_clone(args):
2008        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2009                                            snapshot_name=args.snapshot_name,
2010                                            clone_name=args.clone_name))
2011
2012    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2013    p.add_argument('snapshot_name', help='lvol snapshot name')
2014    p.add_argument('clone_name', help='lvol clone name')
2015    p.set_defaults(func=bdev_lvol_clone)
2016
2017    def bdev_lvol_clone_bdev(args):
2018        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2019                                                 bdev=args.bdev,
2020                                                 lvs_name=args.lvs_name,
2021                                                 clone_name=args.clone_name))
2022
2023    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2024                              help='Create a clone of a non-lvol bdev')
2025    p.add_argument('bdev', help='bdev to clone')
2026    p.add_argument('lvs_name', help='logical volume store name')
2027    p.add_argument('clone_name', help='lvol clone name')
2028    p.set_defaults(func=bdev_lvol_clone_bdev)
2029
2030    def bdev_lvol_rename(args):
2031        rpc.lvol.bdev_lvol_rename(args.client,
2032                                  old_name=args.old_name,
2033                                  new_name=args.new_name)
2034
2035    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2036    p.add_argument('old_name', help='lvol bdev name')
2037    p.add_argument('new_name', help='new lvol name')
2038    p.set_defaults(func=bdev_lvol_rename)
2039
2040    def bdev_lvol_inflate(args):
2041        rpc.lvol.bdev_lvol_inflate(args.client,
2042                                   name=args.name)
2043
2044    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2045    p.add_argument('name', help='lvol bdev name')
2046    p.set_defaults(func=bdev_lvol_inflate)
2047
2048    def bdev_lvol_decouple_parent(args):
2049        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2050                                           name=args.name)
2051
2052    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2053    p.add_argument('name', help='lvol bdev name')
2054    p.set_defaults(func=bdev_lvol_decouple_parent)
2055
2056    def bdev_lvol_resize(args):
2057        rpc.lvol.bdev_lvol_resize(args.client,
2058                                  name=args.name,
2059                                  size_in_mib=args.size_in_mib)
2060
2061    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2062    p.add_argument('name', help='lvol bdev name')
2063    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2064    p.set_defaults(func=bdev_lvol_resize)
2065
2066    def bdev_lvol_set_read_only(args):
2067        rpc.lvol.bdev_lvol_set_read_only(args.client,
2068                                         name=args.name)
2069
2070    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2071    p.add_argument('name', help='lvol bdev name')
2072    p.set_defaults(func=bdev_lvol_set_read_only)
2073
2074    def bdev_lvol_delete(args):
2075        rpc.lvol.bdev_lvol_delete(args.client,
2076                                  name=args.name)
2077
2078    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2079    p.add_argument('name', help='lvol bdev name')
2080    p.set_defaults(func=bdev_lvol_delete)
2081
2082    def bdev_lvol_delete_lvstore(args):
2083        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2084                                          uuid=args.uuid,
2085                                          lvs_name=args.lvs_name)
2086
2087    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2088    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
2089    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
2090    p.set_defaults(func=bdev_lvol_delete_lvstore)
2091
2092    def bdev_lvol_get_lvstores(args):
2093        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2094                                                   uuid=args.uuid,
2095                                                   lvs_name=args.lvs_name))
2096
2097    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2098    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
2099    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
2100    p.set_defaults(func=bdev_lvol_get_lvstores)
2101
2102    def bdev_lvol_get_lvols(args):
2103        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2104                                                lvs_uuid=args.lvs_uuid,
2105                                                lvs_name=args.lvs_name))
2106
2107    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2108    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID', required=False)
2109    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name', required=False)
2110    p.set_defaults(func=bdev_lvol_get_lvols)
2111
2112    def bdev_raid_get_bdevs(args):
2113        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2114                                                category=args.category))
2115
2116    p = subparsers.add_parser('bdev_raid_get_bdevs',
2117                              help="""This is used to list all the raid bdev details based on the input category
2118    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2119    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2120    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2121    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2122    p.add_argument('category', help='all or online or configuring or offline')
2123    p.set_defaults(func=bdev_raid_get_bdevs)
2124
2125    def bdev_raid_create(args):
2126        base_bdevs = []
2127        for u in args.base_bdevs.strip().split(" "):
2128            base_bdevs.append(u)
2129
2130        rpc.bdev.bdev_raid_create(args.client,
2131                                  name=args.name,
2132                                  strip_size_kb=args.strip_size_kb,
2133                                  raid_level=args.raid_level,
2134                                  base_bdevs=base_bdevs,
2135                                  uuid=args.uuid,
2136                                  superblock=args.superblock)
2137    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2138    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2139    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2140    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2141    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2142    p.add_argument('--uuid', help='UUID for this raid bdev', required=False)
2143    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2144                                              'disabled by default due to backward compatibility', action='store_true')
2145    p.set_defaults(func=bdev_raid_create)
2146
2147    def bdev_raid_delete(args):
2148        rpc.bdev.bdev_raid_delete(args.client,
2149                                  name=args.name)
2150    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2151    p.add_argument('name', help='raid bdev name')
2152    p.set_defaults(func=bdev_raid_delete)
2153
2154    def bdev_raid_add_base_bdev(args):
2155        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2156                                         raid_bdev=args.raid_bdev,
2157                                         base_bdev=args.base_bdev)
2158    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2159    p.add_argument('raid_bdev', help='raid bdev name')
2160    p.add_argument('base_bdev', help='base bdev name')
2161    p.set_defaults(func=bdev_raid_add_base_bdev)
2162
2163    def bdev_raid_remove_base_bdev(args):
2164        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2165                                            name=args.name)
2166    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2167    p.add_argument('name', help='base bdev name')
2168    p.set_defaults(func=bdev_raid_remove_base_bdev)
2169
2170    # split
2171    def bdev_split_create(args):
2172        print_array(rpc.bdev.bdev_split_create(args.client,
2173                                               base_bdev=args.base_bdev,
2174                                               split_count=args.split_count,
2175                                               split_size_mb=args.split_size_mb))
2176
2177    p = subparsers.add_parser('bdev_split_create',
2178                              help="""Add given disk name to split config. If bdev with base_name
2179    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2180    available (during examination process).""")
2181    p.add_argument('base_bdev', help='base bdev name')
2182    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2183    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2184    exceed the base bdev size.""", type=int)
2185    p.set_defaults(func=bdev_split_create)
2186
2187    def bdev_split_delete(args):
2188        rpc.bdev.bdev_split_delete(args.client,
2189                                   base_bdev=args.base_bdev)
2190
2191    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2192    p.add_argument('base_bdev', help='base bdev name')
2193    p.set_defaults(func=bdev_split_delete)
2194
2195    # ftl
2196    def bdev_ftl_create(args):
2197        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2198                                            name=args.name,
2199                                            base_bdev=args.base_bdev,
2200                                            uuid=args.uuid,
2201                                            cache=args.cache,
2202                                            overprovisioning=args.overprovisioning,
2203                                            l2p_dram_limit=args.l2p_dram_limit,
2204                                            core_mask=args.core_mask,
2205                                            fast_shutdown=args.fast_shutdown))
2206
2207    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2208    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2209    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2210                   required=True)
2211    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2212                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2213    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2214                   required=True)
2215    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2216                   ' to user (optional); default 20', type=int)
2217    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2218                   type=int)
2219    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2220                   'by default core thread will be set to the main application core (optional)')
2221    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2222    p.set_defaults(func=bdev_ftl_create)
2223
2224    def bdev_ftl_load(args):
2225        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2226                                          name=args.name,
2227                                          base_bdev=args.base_bdev,
2228                                          uuid=args.uuid,
2229                                          cache=args.cache,
2230                                          overprovisioning=args.overprovisioning,
2231                                          l2p_dram_limit=args.l2p_dram_limit,
2232                                          core_mask=args.core_mask,
2233                                          fast_shutdown=args.fast_shutdown))
2234
2235    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2236    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2237    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2238                   required=True)
2239    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2240    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2241                   required=True)
2242    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2243                   ' to user (optional); default 20', type=int)
2244    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2245                   type=int)
2246    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2247                   'by default core thread will be set to the main application core (optional)')
2248    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2249    p.set_defaults(func=bdev_ftl_load)
2250
2251    def bdev_ftl_unload(args):
2252        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2253
2254    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2255    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2256    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2257    p.set_defaults(func=bdev_ftl_unload)
2258
2259    def bdev_ftl_delete(args):
2260        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2261
2262    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2263    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2264    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2265    p.set_defaults(func=bdev_ftl_delete)
2266
2267    def bdev_ftl_unmap(args):
2268        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2269                                           lba=args.lba,
2270                                           num_blocks=args.num_blocks))
2271
2272    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2273    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2274    p.add_argument('--lba', help='start LBA', required=True, type=int)
2275    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2276    p.set_defaults(func=bdev_ftl_unmap)
2277
2278    def bdev_ftl_get_stats(args):
2279        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2280
2281    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2282    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2283    p.set_defaults(func=bdev_ftl_get_stats)
2284
2285    def bdev_ftl_get_properties(args):
2286        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2287
2288    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2289    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2290    p.set_defaults(func=bdev_ftl_get_properties)
2291
2292    def bdev_ftl_set_property(args):
2293        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2294                   ftl_property=args.property,
2295                   value=args.value))
2296
2297    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2298    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2299    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2300    p.add_argument('-v', '--value', help="Value of the property", required=True)
2301    p.set_defaults(func=bdev_ftl_set_property)
2302
2303    # vmd
2304    def vmd_enable(args):
2305        print_dict(rpc.vmd.vmd_enable(args.client))
2306
2307    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2308    p.set_defaults(func=vmd_enable)
2309
2310    def vmd_remove_device(args):
2311        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2312
2313    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2314    p.add_argument('addr', help='Address of the device to remove', type=str)
2315    p.set_defaults(func=vmd_remove_device)
2316
2317    def vmd_rescan(args):
2318        print_dict(rpc.vmd.vmd_rescan(args.client))
2319
2320    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2321    p.set_defaults(func=vmd_rescan)
2322
2323    # ublk
2324    def ublk_create_target(args):
2325        rpc.ublk.ublk_create_target(args.client,
2326                                    cpumask=args.cpumask)
2327    p = subparsers.add_parser('ublk_create_target',
2328                              help='Create spdk ublk target for ublk dev')
2329    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2330    p.set_defaults(func=ublk_create_target)
2331
2332    def ublk_destroy_target(args):
2333        rpc.ublk.ublk_destroy_target(args.client)
2334    p = subparsers.add_parser('ublk_destroy_target',
2335                              help='Destroy spdk ublk target for ublk dev')
2336    p.set_defaults(func=ublk_destroy_target)
2337
2338    def ublk_start_disk(args):
2339        print(rpc.ublk.ublk_start_disk(args.client,
2340                                       bdev_name=args.bdev_name,
2341                                       ublk_id=args.ublk_id,
2342                                       num_queues=args.num_queues,
2343                                       queue_depth=args.queue_depth))
2344
2345    p = subparsers.add_parser('ublk_start_disk',
2346                              help='Export a bdev as a ublk device')
2347    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2348    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2349    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int, required=False)
2350    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int, required=False)
2351    p.set_defaults(func=ublk_start_disk)
2352
2353    def ublk_stop_disk(args):
2354        rpc.ublk.ublk_stop_disk(args.client,
2355                                ublk_id=args.ublk_id)
2356
2357    p = subparsers.add_parser('ublk_stop_disk',
2358                              help='Stop a ublk device')
2359    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2360    p.set_defaults(func=ublk_stop_disk)
2361
2362    def ublk_recover_disk(args):
2363        print(rpc.ublk.ublk_recover_disk(args.client,
2364                                         bdev_name=args.bdev_name,
2365                                         ublk_id=args.ublk_id))
2366
2367    p = subparsers.add_parser('ublk_recover_disk',
2368                              help='Recover ublk device')
2369    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2370    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2371    p.set_defaults(func=ublk_recover_disk)
2372
2373    def ublk_get_disks(args):
2374        print_dict(rpc.ublk.ublk_get_disks(args.client,
2375                                           ublk_id=args.ublk_id))
2376
2377    p = subparsers.add_parser('ublk_get_disks',
2378                              help='Display full or specified ublk device list')
2379    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int, required=False)
2380    p.set_defaults(func=ublk_get_disks)
2381
2382    # nbd
2383    def nbd_start_disk(args):
2384        print(rpc.nbd.nbd_start_disk(args.client,
2385                                     bdev_name=args.bdev_name,
2386                                     nbd_device=args.nbd_device))
2387
2388    p = subparsers.add_parser('nbd_start_disk',
2389                              help='Export a bdev as an nbd disk')
2390    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2391    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2392    p.set_defaults(func=nbd_start_disk)
2393
2394    def nbd_stop_disk(args):
2395        rpc.nbd.nbd_stop_disk(args.client,
2396                              nbd_device=args.nbd_device)
2397
2398    p = subparsers.add_parser('nbd_stop_disk',
2399                              help='Stop an nbd disk')
2400    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2401    p.set_defaults(func=nbd_stop_disk)
2402
2403    def nbd_get_disks(args):
2404        print_dict(rpc.nbd.nbd_get_disks(args.client,
2405                                         nbd_device=args.nbd_device))
2406
2407    p = subparsers.add_parser('nbd_get_disks',
2408                              help='Display full or specified nbd device list')
2409    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0", required=False)
2410    p.set_defaults(func=nbd_get_disks)
2411
2412    # NVMe-oF
2413    def nvmf_set_max_subsystems(args):
2414        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2415                                         max_subsystems=args.max_subsystems)
2416
2417    p = subparsers.add_parser('nvmf_set_max_subsystems',
2418                              help='Set the maximum number of NVMf target subsystems')
2419    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2420    p.set_defaults(func=nvmf_set_max_subsystems)
2421
2422    def nvmf_set_config(args):
2423        rpc.nvmf.nvmf_set_config(args.client,
2424                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2425                                 poll_groups_mask=args.poll_groups_mask,
2426                                 discovery_filter=args.discovery_filter)
2427
2428    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2429    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2430    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2431    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2432    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2433         comma separated values: `transport`, `address`, `svcid`""", type=str)
2434    p.set_defaults(func=nvmf_set_config)
2435
2436    def nvmf_create_transport(args):
2437        rpc.nvmf.nvmf_create_transport(**vars(args))
2438
2439    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2440    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2441    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2442    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2443    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2444    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2445    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2446    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2447    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2448    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2449    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2450    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2451    underlying bdev supports them''')
2452    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2453    Relevant only for RDMA transport""", type=int)
2454    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2455    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2456    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2457    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2458    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2459    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2460    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2461    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2462    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2463    Relevant only for TCP transport""", type=int)
2464    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2465    Relevant only for VFIO-USER transport""")
2466    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2467    Relevant only for VFIO-USER transport""")
2468    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2469    Relevant only for VFIO-USER transport""")
2470    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2471    p.set_defaults(func=nvmf_create_transport)
2472
2473    def nvmf_get_transports(args):
2474        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2475
2476    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2477    p.add_argument('--trtype', help='Transport type (optional)')
2478    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2479    p.set_defaults(func=nvmf_get_transports)
2480
2481    def nvmf_get_subsystems(args):
2482        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2483
2484    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2485    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2486    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2487    p.set_defaults(func=nvmf_get_subsystems)
2488
2489    def nvmf_create_subsystem(args):
2490        rpc.nvmf.nvmf_create_subsystem(args.client,
2491                                       nqn=args.nqn,
2492                                       tgt_name=args.tgt_name,
2493                                       serial_number=args.serial_number,
2494                                       model_number=args.model_number,
2495                                       allow_any_host=args.allow_any_host,
2496                                       max_namespaces=args.max_namespaces,
2497                                       ana_reporting=args.ana_reporting,
2498                                       min_cntlid=args.min_cntlid,
2499                                       max_cntlid=args.max_cntlid,
2500                                       max_discard_size_kib=args.max_discard_size,
2501                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2502
2503    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2504    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2505    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2506    p.add_argument("-s", "--serial-number", help="""
2507    Format:  'sn' etc
2508    Example: 'SPDK00000000000001'""")
2509    p.add_argument("-d", "--model-number", help="""
2510    Format:  'mn' etc
2511    Example: 'SPDK Controller'""")
2512    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2513    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2514                   type=int)
2515    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2516    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2517    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2518    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2519    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2520    p.set_defaults(func=nvmf_create_subsystem)
2521
2522    def nvmf_delete_subsystem(args):
2523        rpc.nvmf.nvmf_delete_subsystem(args.client,
2524                                       nqn=args.subsystem_nqn,
2525                                       tgt_name=args.tgt_name)
2526
2527    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2528    p.add_argument('subsystem_nqn',
2529                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2530    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2531    p.set_defaults(func=nvmf_delete_subsystem)
2532
2533    def nvmf_subsystem_add_listener(args):
2534        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2535
2536    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2537    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2538    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2539    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2540    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2541    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2542    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2543    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2544    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str, required=False)
2545    p.set_defaults(func=nvmf_subsystem_add_listener)
2546
2547    def nvmf_subsystem_remove_listener(args):
2548        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2549                                                nqn=args.nqn,
2550                                                trtype=args.trtype,
2551                                                traddr=args.traddr,
2552                                                tgt_name=args.tgt_name,
2553                                                adrfam=args.adrfam,
2554                                                trsvcid=args.trsvcid)
2555
2556    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2557    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2558    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2559    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2560    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2561    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2562    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2563    p.set_defaults(func=nvmf_subsystem_remove_listener)
2564
2565    def nvmf_subsystem_listener_set_ana_state(args):
2566        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2567                                                       nqn=args.nqn,
2568                                                       ana_state=args.ana_state,
2569                                                       trtype=args.trtype,
2570                                                       traddr=args.traddr,
2571                                                       tgt_name=args.tgt_name,
2572                                                       adrfam=args.adrfam,
2573                                                       trsvcid=args.trsvcid,
2574                                                       anagrpid=args.anagrpid)
2575
2576    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2577    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2578    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2579    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2580    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2581    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2582    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2583    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2584    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2585    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2586
2587    def nvmf_discovery_add_referral(args):
2588        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2589
2590    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2591    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2592    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2593    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2594    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2595    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2596    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2597                   action="store_true")
2598    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2599    p.set_defaults(func=nvmf_discovery_add_referral)
2600
2601    def nvmf_discovery_remove_referral(args):
2602        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2603                                                trtype=args.trtype,
2604                                                traddr=args.traddr,
2605                                                tgt_name=args.tgt_name,
2606                                                adrfam=args.adrfam,
2607                                                trsvcid=args.trsvcid,
2608                                                subnqn=args.subnqn)
2609
2610    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2611    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2612    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2613    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2614    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2615    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2616    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2617    p.set_defaults(func=nvmf_discovery_remove_referral)
2618
2619    def nvmf_discovery_get_referrals(args):
2620        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2621                                                         tgt_name=args.tgt_name))
2622
2623    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2624                              help='Display discovery subsystem referrals of an NVMe-oF target')
2625    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2626    p.set_defaults(func=nvmf_discovery_get_referrals)
2627
2628    def nvmf_subsystem_add_ns(args):
2629        rpc.nvmf.nvmf_subsystem_add_ns(args.client,
2630                                       nqn=args.nqn,
2631                                       bdev_name=args.bdev_name,
2632                                       tgt_name=args.tgt_name,
2633                                       ptpl_file=args.ptpl_file,
2634                                       nsid=args.nsid,
2635                                       nguid=args.nguid,
2636                                       eui64=args.eui64,
2637                                       uuid=args.uuid,
2638                                       anagrpid=args.anagrpid)
2639
2640    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2641    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2642    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2643    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2644    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2645    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2646    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2647    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2648    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2649    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2650    p.set_defaults(func=nvmf_subsystem_add_ns)
2651
2652    def nvmf_subsystem_remove_ns(args):
2653        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2654                                          nqn=args.nqn,
2655                                          nsid=args.nsid,
2656                                          tgt_name=args.tgt_name)
2657
2658    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2659    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2660    p.add_argument('nsid', help='The requested NSID', type=int)
2661    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2662    p.set_defaults(func=nvmf_subsystem_remove_ns)
2663
2664    def nvmf_subsystem_add_host(args):
2665        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2666                                         nqn=args.nqn,
2667                                         host=args.host,
2668                                         tgt_name=args.tgt_name,
2669                                         psk=args.psk)
2670
2671    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2672    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2673    p.add_argument('host', help='Host NQN to allow')
2674    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2675    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2676    p.set_defaults(func=nvmf_subsystem_add_host)
2677
2678    def nvmf_subsystem_remove_host(args):
2679        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2680                                            nqn=args.nqn,
2681                                            host=args.host,
2682                                            tgt_name=args.tgt_name)
2683
2684    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2685    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2686    p.add_argument('host', help='Host NQN to remove')
2687    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2688    p.set_defaults(func=nvmf_subsystem_remove_host)
2689
2690    def nvmf_subsystem_allow_any_host(args):
2691        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2692                                               nqn=args.nqn,
2693                                               disable=args.disable,
2694                                               tgt_name=args.tgt_name)
2695
2696    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2697    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2698    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2699    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2700    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2701    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2702
2703    def nvmf_subsystem_get_controllers(args):
2704        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2705                                                           nqn=args.nqn,
2706                                                           tgt_name=args.tgt_name))
2707
2708    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2709                              help='Display controllers of an NVMe-oF subsystem.')
2710    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2711    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2712    p.set_defaults(func=nvmf_subsystem_get_controllers)
2713
2714    def nvmf_subsystem_get_qpairs(args):
2715        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2716                                                      nqn=args.nqn,
2717                                                      tgt_name=args.tgt_name))
2718
2719    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2720                              help='Display queue pairs of an NVMe-oF subsystem.')
2721    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2722    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2723    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2724
2725    def nvmf_subsystem_get_listeners(args):
2726        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2727                                                         nqn=args.nqn,
2728                                                         tgt_name=args.tgt_name))
2729
2730    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2731                              help='Display listeners of an NVMe-oF subsystem.')
2732    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2733    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2734    p.set_defaults(func=nvmf_subsystem_get_listeners)
2735
2736    def nvmf_get_stats(args):
2737        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2738
2739    p = subparsers.add_parser(
2740        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2741    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2742    p.set_defaults(func=nvmf_get_stats)
2743
2744    def nvmf_set_crdt(args):
2745        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2746
2747    p = subparsers.add_parser(
2748        'nvmf_set_crdt',
2749        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2750        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2751    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2752    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2753    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2754    p.set_defaults(func=nvmf_set_crdt)
2755
2756    # subsystem
2757    def framework_get_subsystems(args):
2758        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2759
2760    p = subparsers.add_parser('framework_get_subsystems',
2761                              help="""Print subsystems array in initialization order. Each subsystem
2762    entry contain (unsorted) array of subsystems it depends on.""")
2763    p.set_defaults(func=framework_get_subsystems)
2764
2765    def framework_get_config(args):
2766        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2767
2768    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2769    p.add_argument('name', help='Name of subsystem to query')
2770    p.set_defaults(func=framework_get_config)
2771
2772    # vhost
2773    def vhost_controller_set_coalescing(args):
2774        rpc.vhost.vhost_controller_set_coalescing(args.client,
2775                                                  ctrlr=args.ctrlr,
2776                                                  delay_base_us=args.delay_base_us,
2777                                                  iops_threshold=args.iops_threshold)
2778
2779    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2780    p.add_argument('ctrlr', help='controller name')
2781    p.add_argument('delay_base_us', help='Base delay time', type=int)
2782    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2783    p.set_defaults(func=vhost_controller_set_coalescing)
2784
2785    def virtio_blk_create_transport(args):
2786        rpc.vhost.virtio_blk_create_transport(**vars(args))
2787
2788    p = subparsers.add_parser('virtio_blk_create_transport',
2789                              help='Create virtio blk transport')
2790    p.add_argument('name', help='transport name')
2791    p.set_defaults(func=virtio_blk_create_transport)
2792
2793    def virtio_blk_get_transports(args):
2794        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2795
2796    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2797    p.add_argument('--name', help='Transport name (optional)', type=str)
2798    p.set_defaults(func=virtio_blk_get_transports)
2799
2800    def vhost_create_scsi_controller(args):
2801        rpc.vhost.vhost_create_scsi_controller(args.client,
2802                                               ctrlr=args.ctrlr,
2803                                               cpumask=args.cpumask,
2804                                               delay=args.delay)
2805
2806    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2807    p.add_argument('ctrlr', help='controller name')
2808    p.add_argument('--cpumask', help='cpu mask for this controller')
2809    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2810    p.set_defaults(func=vhost_create_scsi_controller)
2811
2812    def vhost_start_scsi_controller(args):
2813        rpc.vhost.vhost_start_scsi_controller(args.client,
2814                                              ctrlr=args.ctrlr)
2815
2816    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2817    p.add_argument('ctrlr', help='controller name')
2818    p.set_defaults(func=vhost_start_scsi_controller)
2819
2820    def vhost_scsi_controller_add_target(args):
2821        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2822                                                              ctrlr=args.ctrlr,
2823                                                              scsi_target_num=args.scsi_target_num,
2824                                                              bdev_name=args.bdev_name))
2825
2826    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2827    p.add_argument('ctrlr', help='controller name where add lun')
2828    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2829    p.add_argument('bdev_name', help='bdev name')
2830    p.set_defaults(func=vhost_scsi_controller_add_target)
2831
2832    def vhost_scsi_controller_remove_target(args):
2833        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2834                                                      ctrlr=args.ctrlr,
2835                                                      scsi_target_num=args.scsi_target_num)
2836
2837    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2838                              help='Remove target from vhost controller')
2839    p.add_argument('ctrlr', help='controller name to remove target from')
2840    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2841    p.set_defaults(func=vhost_scsi_controller_remove_target)
2842
2843    def vhost_create_blk_controller(args):
2844        rpc.vhost.vhost_create_blk_controller(**vars(args))
2845
2846    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2847    p.add_argument('ctrlr', help='controller name')
2848    p.add_argument('dev_name', help='device name')
2849    p.add_argument('--cpumask', help='cpu mask for this controller')
2850    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2851    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2852    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2853    p.set_defaults(func=vhost_create_blk_controller)
2854
2855    def vhost_get_controllers(args):
2856        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2857
2858    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2859    p.add_argument('-n', '--name', help="Name of vhost controller", required=False)
2860    p.set_defaults(func=vhost_get_controllers)
2861
2862    def vhost_delete_controller(args):
2863        rpc.vhost.vhost_delete_controller(args.client,
2864                                          ctrlr=args.ctrlr)
2865
2866    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2867    p.add_argument('ctrlr', help='controller name')
2868    p.set_defaults(func=vhost_delete_controller)
2869
2870    def bdev_virtio_attach_controller(args):
2871        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2872                                                            name=args.name,
2873                                                            trtype=args.trtype,
2874                                                            traddr=args.traddr,
2875                                                            dev_type=args.dev_type,
2876                                                            vq_count=args.vq_count,
2877                                                            vq_size=args.vq_size))
2878
2879    p = subparsers.add_parser('bdev_virtio_attach_controller',
2880                              help="""Attach virtio controller using provided
2881    transport type and device type. This will also create bdevs for any block devices connected to the
2882    controller (for example, SCSI devices for a virtio-scsi controller).
2883    Result is array of added bdevs.""")
2884    p.add_argument('name', help="Use this name as base for new created bdevs")
2885    p.add_argument('-t', '--trtype',
2886                   help='Virtio target transport type: pci or user', required=True)
2887    p.add_argument('-a', '--traddr',
2888                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2889    p.add_argument('-d', '--dev-type',
2890                   help='Device type: blk or scsi', required=True)
2891    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2892    p.add_argument('--vq-size', help='Size of each queue', type=int)
2893    p.set_defaults(func=bdev_virtio_attach_controller)
2894
2895    def bdev_virtio_scsi_get_devices(args):
2896        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2897
2898    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
2899    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2900
2901    def bdev_virtio_detach_controller(args):
2902        rpc.vhost.bdev_virtio_detach_controller(args.client,
2903                                                name=args.name)
2904
2905    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
2906    This will delete all bdevs exposed by this device""")
2907    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2908    p.set_defaults(func=bdev_virtio_detach_controller)
2909
2910    def bdev_virtio_blk_set_hotplug(args):
2911        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2912
2913    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2914    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2915    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2916    p.add_argument('-r', '--period-us',
2917                   help='How often the hotplug is processed for insert and remove events', type=int)
2918    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2919
2920    # vfio-user target
2921    def vfu_tgt_set_base_path(args):
2922        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
2923
2924    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
2925    p.add_argument('path', help='socket base path')
2926    p.set_defaults(func=vfu_tgt_set_base_path)
2927
2928    def vfu_virtio_delete_endpoint(args):
2929        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
2930
2931    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
2932    p.add_argument('name', help='Endpoint name')
2933    p.set_defaults(func=vfu_virtio_delete_endpoint)
2934
2935    def vfu_virtio_create_blk_endpoint(args):
2936        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
2937                                                     name=args.name,
2938                                                     bdev_name=args.bdev_name,
2939                                                     cpumask=args.cpumask,
2940                                                     num_queues=args.num_queues,
2941                                                     qsize=args.qsize,
2942                                                     packed_ring=args.packed_ring)
2943
2944    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
2945    p.add_argument('name', help='Name of the endpoint')
2946    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
2947    p.add_argument('--cpumask', help='CPU masks')
2948    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
2949    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
2950    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
2951    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
2952
2953    def vfu_virtio_scsi_add_target(args):
2954        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
2955                                                 name=args.name,
2956                                                 scsi_target_num=args.scsi_target_num,
2957                                                 bdev_name=args.bdev_name)
2958
2959    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
2960    p.add_argument('name', help='Name of the endpoint')
2961    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
2962    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
2963    p.set_defaults(func=vfu_virtio_scsi_add_target)
2964
2965    def vfu_virtio_scsi_remove_target(args):
2966        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
2967                                                    name=args.name,
2968                                                    scsi_target_num=args.scsi_target_num)
2969
2970    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
2971    p.add_argument('name', help='Name of the endpoint')
2972    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
2973    p.set_defaults(func=vfu_virtio_scsi_remove_target)
2974
2975    def vfu_virtio_create_scsi_endpoint(args):
2976        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
2977                                                      name=args.name,
2978                                                      cpumask=args.cpumask,
2979                                                      num_io_queues=args.num_io_queues,
2980                                                      qsize=args.qsize,
2981                                                      packed_ring=args.packed_ring)
2982
2983    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
2984    p.add_argument('name', help='Name of the endpoint')
2985    p.add_argument('--cpumask', help='CPU masks')
2986    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
2987    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
2988    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
2989    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
2990
2991    # accel_fw
2992    def accel_get_opc_assignments(args):
2993        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
2994
2995    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
2996    p.set_defaults(func=accel_get_opc_assignments)
2997
2998    def accel_get_module_info(args):
2999        print_dict(rpc.accel.accel_get_module_info(args.client))
3000
3001    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3002                              help='Get list of valid module names and their operations.')
3003    p.set_defaults(func=accel_get_module_info)
3004
3005    def accel_assign_opc(args):
3006        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3007
3008    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3009    p.add_argument('-o', '--opname', help='opname')
3010    p.add_argument('-m', '--module', help='name of module')
3011    p.set_defaults(func=accel_assign_opc)
3012
3013    def accel_crypto_key_create(args):
3014        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3015                                                     cipher=args.cipher,
3016                                                     key=args.key,
3017                                                     key2=args.key2,
3018                                                     tweak_mode=args.tweak_mode,
3019                                                     name=args.name))
3020
3021    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3022    p.add_argument('-c', '--cipher', help='cipher', required=True)
3023    p.add_argument('-k', '--key', help='key', required=True)
3024    p.add_argument('-e', '--key2', help='key2', required=False, default=None)
3025    p.add_argument('-t', '--tweak-mode', help='tweak mode', required=False, default=None)
3026    p.add_argument('-n', '--name', help='key name', required=True)
3027    p.set_defaults(func=accel_crypto_key_create)
3028
3029    def accel_crypto_key_destroy(args):
3030        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3031                                                      key_name=args.name))
3032
3033    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3034    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3035    p.set_defaults(func=accel_crypto_key_destroy)
3036
3037    def accel_crypto_keys_get(args):
3038        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3039                                                   key_name=args.key_name))
3040
3041    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3042    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3043    p.set_defaults(func=accel_crypto_keys_get)
3044
3045    def accel_set_driver(args):
3046        rpc.accel.accel_set_driver(args.client, name=args.name)
3047
3048    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3049                              'operation chains')
3050    p.add_argument('name', help='name of the platform driver')
3051    p.set_defaults(func=accel_set_driver)
3052
3053    def accel_set_options(args):
3054        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3055                                    args.task_count, args.sequence_count, args.buf_count)
3056
3057    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3058    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3059    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3060    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3061    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3062    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3063    p.set_defaults(func=accel_set_options)
3064
3065    def accel_get_stats(args):
3066        print_dict(rpc.accel.accel_get_stats(args.client))
3067
3068    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3069    p.set_defaults(func=accel_get_stats)
3070
3071    # ioat
3072    def ioat_scan_accel_module(args):
3073        rpc.ioat.ioat_scan_accel_module(args.client)
3074
3075    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3076                              help='Enable IOAT accel module offload.')
3077    p.set_defaults(func=ioat_scan_accel_module)
3078
3079    # dpdk compressdev
3080    def compressdev_scan_accel_module(args):
3081        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3082
3083    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3084    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3085    p.set_defaults(func=compressdev_scan_accel_module)
3086
3087    # dsa
3088    def dsa_scan_accel_module(args):
3089        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3090
3091    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3092                              help='Set config and enable dsa accel module offload.')
3093    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3094                   action='store_true', dest='config_kernel_mode')
3095    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3096
3097    # iaa
3098    def iaa_scan_accel_module(args):
3099        rpc.iaa.iaa_scan_accel_module(args.client)
3100
3101    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3102                              help='Set config and enable iaa accel module offload.')
3103    p.set_defaults(func=iaa_scan_accel_module)
3104
3105    def dpdk_cryptodev_scan_accel_module(args):
3106        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3107
3108    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3109                              help='Enable dpdk_cryptodev accel module offload.')
3110    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3111
3112    def dpdk_cryptodev_set_driver(args):
3113        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3114                                                     driver_name=args.driver_name)
3115
3116    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3117                              help='Set the DPDK cryptodev driver.')
3118    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3119    p.set_defaults(func=dpdk_cryptodev_set_driver)
3120
3121    def dpdk_cryptodev_get_driver(args):
3122        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3123
3124    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3125    p.set_defaults(func=dpdk_cryptodev_get_driver)
3126
3127    # mlx5
3128    def mlx5_scan_accel_module(args):
3129        rpc.mlx5.mlx5_scan_accel_module(args.client,
3130                                        qp_size=args.qp_size,
3131                                        num_requests=args.num_requests)
3132
3133    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3134    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3135    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3136    p.set_defaults(func=mlx5_scan_accel_module)
3137
3138    # accel_error
3139    def accel_error_inject_error(args):
3140        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3141                                           type=args.type, count=args.count,
3142                                           interval=args.interval, errcode=args.errcode)
3143
3144    p = subparsers.add_parser('accel_error_inject_error',
3145                              help='Inject an error to processing accel operation')
3146    p.add_argument('-o', '--opcode', help='Opcode')
3147    p.add_argument('-t', '--type',
3148                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3149    p.add_argument('-c', '--count', type=int,
3150                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3151    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3152    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3153    p.set_defaults(func=accel_error_inject_error)
3154
3155    # opal
3156    def bdev_nvme_opal_init(args):
3157        rpc.nvme.bdev_nvme_opal_init(args.client,
3158                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3159                                     password=args.password)
3160
3161    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3162    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3163    p.add_argument('-p', '--password', help='password for admin')
3164    p.set_defaults(func=bdev_nvme_opal_init)
3165
3166    def bdev_nvme_opal_revert(args):
3167        rpc.nvme.bdev_nvme_opal_revert(args.client,
3168                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3169                                       password=args.password)
3170    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3171    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3172    p.add_argument('-p', '--password', help='password')
3173    p.set_defaults(func=bdev_nvme_opal_revert)
3174
3175    def bdev_opal_create(args):
3176        print_json(rpc.bdev.bdev_opal_create(args.client,
3177                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3178                                             nsid=args.nsid,
3179                                             locking_range_id=args.locking_range_id,
3180                                             range_start=args.range_start,
3181                                             range_length=args.range_length,
3182                                             password=args.password))
3183
3184    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3185    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3186    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3187    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3188    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3189    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3190    p.add_argument('-p', '--password', help='admin password', required=True)
3191    p.set_defaults(func=bdev_opal_create)
3192
3193    def bdev_opal_get_info(args):
3194        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3195                                               bdev_name=args.bdev_name,
3196                                               password=args.password))
3197
3198    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3199    p.add_argument('-b', '--bdev-name', help='opal bdev')
3200    p.add_argument('-p', '--password', help='password')
3201    p.set_defaults(func=bdev_opal_get_info)
3202
3203    def bdev_opal_delete(args):
3204        rpc.bdev.bdev_opal_delete(args.client,
3205                                  bdev_name=args.bdev_name,
3206                                  password=args.password)
3207
3208    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3209    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3210    p.add_argument('-p', '--password', help='admin password', required=True)
3211    p.set_defaults(func=bdev_opal_delete)
3212
3213    def bdev_opal_new_user(args):
3214        rpc.bdev.bdev_opal_new_user(args.client,
3215                                    bdev_name=args.bdev_name,
3216                                    admin_password=args.admin_password,
3217                                    user_id=args.user_id,
3218                                    user_password=args.user_password)
3219
3220    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3221    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3222    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3223    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3224    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3225    p.set_defaults(func=bdev_opal_new_user)
3226
3227    def bdev_opal_set_lock_state(args):
3228        rpc.bdev.bdev_opal_set_lock_state(args.client,
3229                                          bdev_name=args.bdev_name,
3230                                          user_id=args.user_id,
3231                                          password=args.password,
3232                                          lock_state=args.lock_state)
3233
3234    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3235    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3236    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',
3237                   type=int, required=True)
3238    p.add_argument('-p', '--password', help='password of this user', required=True)
3239    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3240    p.set_defaults(func=bdev_opal_set_lock_state)
3241
3242    # bdev_nvme_send_cmd
3243    def bdev_nvme_send_cmd(args):
3244        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3245                                               name=args.nvme_name,
3246                                               cmd_type=args.cmd_type,
3247                                               data_direction=args.data_direction,
3248                                               cmdbuf=args.cmdbuf,
3249                                               data=args.data,
3250                                               metadata=args.metadata,
3251                                               data_len=args.data_length,
3252                                               metadata_len=args.metadata_length,
3253                                               timeout_ms=args.timeout_ms))
3254
3255    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3256    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3257    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3258    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3259    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3260    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3261    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3262    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3263    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3264    p.add_argument('-T', '--timeout-ms',
3265                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3266    p.set_defaults(func=bdev_nvme_send_cmd)
3267
3268    # Notifications
3269    def notify_get_types(args):
3270        print_dict(rpc.notify.notify_get_types(args.client))
3271
3272    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3273    p.set_defaults(func=notify_get_types)
3274
3275    def notify_get_notifications(args):
3276        ret = rpc.notify.notify_get_notifications(args.client,
3277                                                  id=args.id,
3278                                                  max=args.max)
3279        print_dict(ret)
3280
3281    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3282    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3283    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3284    p.set_defaults(func=notify_get_notifications)
3285
3286    def thread_get_stats(args):
3287        print_dict(rpc.app.thread_get_stats(args.client))
3288
3289    p = subparsers.add_parser(
3290        'thread_get_stats', help='Display current statistics of all the threads')
3291    p.set_defaults(func=thread_get_stats)
3292
3293    def thread_set_cpumask(args):
3294        ret = rpc.app.thread_set_cpumask(args.client,
3295                                         id=args.id,
3296                                         cpumask=args.cpumask)
3297    p = subparsers.add_parser('thread_set_cpumask',
3298                              help="""set the cpumask of the thread whose ID matches to the
3299    specified value. The thread may be migrated to one of the specified CPUs.""")
3300    p.add_argument('-i', '--id', type=int, help='thread ID')
3301    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3302    p.set_defaults(func=thread_set_cpumask)
3303
3304    def log_enable_timestamps(args):
3305        ret = rpc.app.log_enable_timestamps(args.client,
3306                                            enabled=args.enabled)
3307    p = subparsers.add_parser('log_enable_timestamps',
3308                              help='Enable or disable timestamps.')
3309    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3310    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3311    p.set_defaults(func=log_enable_timestamps)
3312
3313    def thread_get_pollers(args):
3314        print_dict(rpc.app.thread_get_pollers(args.client))
3315
3316    p = subparsers.add_parser(
3317        'thread_get_pollers', help='Display current pollers of all the threads')
3318    p.set_defaults(func=thread_get_pollers)
3319
3320    def thread_get_io_channels(args):
3321        print_dict(rpc.app.thread_get_io_channels(args.client))
3322
3323    p = subparsers.add_parser(
3324        'thread_get_io_channels', help='Display current IO channels of all the threads')
3325    p.set_defaults(func=thread_get_io_channels)
3326
3327    def env_dpdk_get_mem_stats(args):
3328        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3329
3330    p = subparsers.add_parser(
3331        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3332    p.set_defaults(func=env_dpdk_get_mem_stats)
3333
3334    # blobfs
3335    def blobfs_detect(args):
3336        print(rpc.blobfs.blobfs_detect(args.client,
3337                                       bdev_name=args.bdev_name))
3338
3339    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3340    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3341    p.set_defaults(func=blobfs_detect)
3342
3343    def blobfs_create(args):
3344        print(rpc.blobfs.blobfs_create(args.client,
3345                                       bdev_name=args.bdev_name,
3346                                       cluster_sz=args.cluster_sz))
3347
3348    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3349    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3350    p.add_argument('-c', '--cluster-sz',
3351                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3352    p.set_defaults(func=blobfs_create)
3353
3354    def blobfs_mount(args):
3355        print(rpc.blobfs.blobfs_mount(args.client,
3356                                      bdev_name=args.bdev_name,
3357                                      mountpoint=args.mountpoint))
3358
3359    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3360    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3361    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3362    p.set_defaults(func=blobfs_mount)
3363
3364    def blobfs_set_cache_size(args):
3365        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3366                                               size_in_mb=args.size_in_mb))
3367
3368    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3369    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3370    p.set_defaults(func=blobfs_set_cache_size)
3371
3372    # sock
3373    def sock_impl_get_options(args):
3374        print_json(rpc.sock.sock_impl_get_options(args.client,
3375                                                  impl_name=args.impl))
3376
3377    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3378    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3379    p.set_defaults(func=sock_impl_get_options)
3380
3381    def sock_impl_set_options(args):
3382        rpc.sock.sock_impl_set_options(args.client,
3383                                       impl_name=args.impl,
3384                                       recv_buf_size=args.recv_buf_size,
3385                                       send_buf_size=args.send_buf_size,
3386                                       enable_recv_pipe=args.enable_recv_pipe,
3387                                       enable_quickack=args.enable_quickack,
3388                                       enable_placement_id=args.enable_placement_id,
3389                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3390                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3391                                       zerocopy_threshold=args.zerocopy_threshold,
3392                                       tls_version=args.tls_version,
3393                                       enable_ktls=args.enable_ktls)
3394
3395    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3396    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3397    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3398    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3399    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3400    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3401                   action='store_true', dest='enable_recv_pipe')
3402    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3403                   action='store_false', dest='enable_recv_pipe')
3404    p.add_argument('--enable-quickack', help='Enable quick ACK',
3405                   action='store_true', dest='enable_quickack')
3406    p.add_argument('--disable-quickack', help='Disable quick ACK',
3407                   action='store_false', dest='enable_quickack')
3408    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3409                   action='store_true', dest='enable_zerocopy_send_server')
3410    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3411                   action='store_false', dest='enable_zerocopy_send_server')
3412    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3413                   action='store_true', dest='enable_zerocopy_send_client')
3414    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3415                   action='store_false', dest='enable_zerocopy_send_client')
3416    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3417    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3418    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3419                   action='store_true', dest='enable_ktls')
3420    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3421                   action='store_false', dest='enable_ktls')
3422    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3423                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3424                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3425
3426    def sock_set_default_impl(args):
3427        print_json(rpc.sock.sock_set_default_impl(args.client,
3428                                                  impl_name=args.impl))
3429
3430    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3431    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3432    p.set_defaults(func=sock_set_default_impl)
3433
3434    def framework_get_pci_devices(args):
3435        def splitbuf(buf, step):
3436            return [buf[i:i+step] for i in range(0, len(buf), step)]
3437
3438        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3439        if not args.format_lspci:
3440            print_json(devices)
3441        else:
3442            for devid, dev in enumerate(devices):
3443                print('{} device #{}'.format(dev['address'], devid))
3444                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3445                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3446                print()
3447
3448    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3449    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3450                   action='store_true')
3451    p.set_defaults(func=framework_get_pci_devices)
3452
3453    # bdev_nvme_add_error_injection
3454    def bdev_nvme_add_error_injection(args):
3455        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3456                                                          name=args.nvme_name,
3457                                                          cmd_type=args.cmd_type,
3458                                                          opc=args.opc,
3459                                                          do_not_submit=args.do_not_submit,
3460                                                          timeout_in_us=args.timeout_in_us,
3461                                                          err_count=args.err_count,
3462                                                          sct=args.sct,
3463                                                          sc=args.sc))
3464    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3465                              help='Add a NVMe command error injection.')
3466    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3467    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3468    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3469    p.add_argument('-s', '--do-not-submit',
3470                   help="""Set to true if request should not be submitted to the controller""",
3471                   dest="do_not_submit", action='store_true')
3472    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3473    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3474    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3475    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3476    p.set_defaults(func=bdev_nvme_add_error_injection)
3477
3478    # bdev_nvme_remove_error_injection
3479    def bdev_nvme_remove_error_injection(args):
3480        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3481                                                             name=args.nvme_name,
3482                                                             cmd_type=args.cmd_type,
3483                                                             opc=args.opc))
3484    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3485                              help='Removes a NVMe command error injection.')
3486    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3487    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3488    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3489    p.set_defaults(func=bdev_nvme_remove_error_injection)
3490
3491    def bdev_daos_create(args):
3492        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3493        print_json(rpc.bdev.bdev_daos_create(args.client,
3494                                             num_blocks=int(num_blocks),
3495                                             block_size=args.block_size,
3496                                             name=args.name,
3497                                             uuid=args.uuid,
3498                                             pool=args.pool,
3499                                             cont=args.cont,
3500                                             oclass=args.oclass))
3501    p = subparsers.add_parser('bdev_daos_create',
3502                              help='Create a bdev with DAOS backend')
3503    p.add_argument('name', help="Name of the bdev")
3504    p.add_argument('pool', help="UUID of the DAOS pool")
3505    p.add_argument('cont', help="UUID of the DAOS container")
3506    p.add_argument(
3507        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3508    p.add_argument('block_size', help='Block size for this bdev', type=int)
3509    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3510    p.add_argument('-o', '--oclass', help="DAOS object class")
3511    p.set_defaults(func=bdev_daos_create)
3512
3513    def bdev_daos_delete(args):
3514        rpc.bdev.bdev_daos_delete(args.client,
3515                                  name=args.name)
3516
3517    p = subparsers.add_parser('bdev_daos_delete',
3518                              help='Delete a DAOS disk')
3519    p.add_argument('name', help='DAOS bdev name')
3520    p.set_defaults(func=bdev_daos_delete)
3521
3522    def bdev_daos_resize(args):
3523        print_json(rpc.bdev.bdev_daos_resize(args.client,
3524                                             name=args.name,
3525                                             new_size=int(args.new_size)))
3526
3527    p = subparsers.add_parser('bdev_daos_resize',
3528                              help='Resize a DAOS bdev')
3529    p.add_argument('name', help='DAOS bdev name')
3530    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3531    p.set_defaults(func=bdev_daos_resize)
3532
3533    def iobuf_set_options(args):
3534        rpc.iobuf.iobuf_set_options(args.client,
3535                                    small_pool_count=args.small_pool_count,
3536                                    large_pool_count=args.large_pool_count,
3537                                    small_bufsize=args.small_bufsize,
3538                                    large_bufsize=args.large_bufsize)
3539    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3540    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3541    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3542    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3543    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3544    p.set_defaults(func=iobuf_set_options)
3545
3546    def iobuf_get_stats(args):
3547        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3548
3549    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3550    p.set_defaults(func=iobuf_get_stats)
3551
3552    def bdev_nvme_start_mdns_discovery(args):
3553        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3554                                                name=args.name,
3555                                                svcname=args.svcname,
3556                                                hostnqn=args.hostnqn)
3557
3558    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3559    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3560    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3561    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3562    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3563
3564    def bdev_nvme_stop_mdns_discovery(args):
3565        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3566
3567    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3568    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3569    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3570
3571    def bdev_nvme_get_mdns_discovery_info(args):
3572        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3573
3574    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3575    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3576
3577    def check_called_name(name):
3578        if name in deprecated_aliases:
3579            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3580
3581    class dry_run_client:
3582        def call(self, method, params=None):
3583            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3584
3585    def null_print(arg):
3586        pass
3587
3588    def call_rpc_func(args):
3589        args.func(args)
3590        check_called_name(args.called_rpc_name)
3591
3592    def execute_script(parser, client, fd):
3593        executed_rpc = ""
3594        for rpc_call in map(str.rstrip, fd):
3595            if not rpc_call.strip():
3596                continue
3597            executed_rpc = "\n".join([executed_rpc, rpc_call])
3598            rpc_args = shlex.split(rpc_call)
3599            if rpc_args[0][0] == '#':
3600                # Ignore lines starting with # - treat them as comments
3601                continue
3602            args = parser.parse_args(rpc_args)
3603            args.client = client
3604            try:
3605                call_rpc_func(args)
3606            except JSONRPCException as ex:
3607                print("Exception:")
3608                print(executed_rpc.strip() + " <<<")
3609                print(ex.message)
3610                exit(1)
3611
3612    def load_plugin(args):
3613        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3614        plugin_parser = argparse.ArgumentParser(add_help=False)
3615        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3616
3617        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3618        if args is not None:
3619            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3620
3621        if rpc_module in plugins:
3622            return
3623
3624        if rpc_module is not None:
3625            try:
3626                rpc_plugin = importlib.import_module(rpc_module)
3627                try:
3628                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3629                    plugins.append(rpc_module)
3630                except AttributeError:
3631                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3632            except ModuleNotFoundError:
3633                print("Module %s not found" % rpc_module)
3634
3635    def replace_arg_underscores(args):
3636        # All option names are defined with dashes only - for example: --tgt-name
3637        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3638        # SPDK was inconsistent previously and had some options with underscores, so
3639        # doing this conversion ensures backward compatibility with older scripts.
3640        for i in range(len(args)):
3641            arg = args[i]
3642            if arg.startswith('--') and "_" in arg:
3643                opt, *vals = arg.split('=')
3644                args[i] = '='.join([opt.replace('_', '-'), *vals])
3645
3646    plugins = []
3647    load_plugin(None)
3648
3649    replace_arg_underscores(sys.argv)
3650
3651    args = parser.parse_args()
3652
3653    try:
3654        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3655    except ValueError:
3656        use_go_client = False
3657
3658    if sys.stdin.isatty() and not hasattr(args, 'func'):
3659        # No arguments and no data piped through stdin
3660        parser.print_help()
3661        exit(1)
3662    if args.is_server:
3663        for input in sys.stdin:
3664            cmd = shlex.split(input)
3665            replace_arg_underscores(cmd)
3666            try:
3667                load_plugin(cmd)
3668                tmp_args = parser.parse_args(cmd)
3669            except SystemExit as ex:
3670                print("**STATUS=1", flush=True)
3671                continue
3672
3673            try:
3674                if use_go_client:
3675                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3676                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3677                else:
3678                    tmp_args.client = rpc.client.JSONRPCClient(
3679                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3680                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3681                call_rpc_func(tmp_args)
3682                print("**STATUS=0", flush=True)
3683            except JSONRPCException as ex:
3684                print(ex.message)
3685                print("**STATUS=1", flush=True)
3686        exit(0)
3687    elif args.dry_run:
3688        args.client = dry_run_client()
3689        print_dict = null_print
3690        print_json = null_print
3691        print_array = null_print
3692    elif args.go_client or use_go_client:
3693        try:
3694            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3695                                                     log_level=getattr(logging, args.verbose.upper()))
3696        except JSONRPCException as ex:
3697            print(ex.message)
3698            exit(1)
3699    else:
3700        try:
3701            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3702                                                   log_level=getattr(logging, args.verbose.upper()),
3703                                                   conn_retries=args.conn_retries)
3704        except JSONRPCException as ex:
3705            print(ex.message)
3706            exit(1)
3707
3708    if hasattr(args, 'func'):
3709        try:
3710            call_rpc_func(args)
3711        except JSONRPCException as ex:
3712            print(ex.message)
3713            exit(1)
3714    else:
3715        execute_script(parser, args.client, sys.stdin)
3716