xref: /spdk/scripts/rpc.py (revision 77df8f9dc31b94381019d171370e2dfb06b5b633)
1#!/usr/bin/env python3
2#  SPDX-License-Identifier: BSD-3-Clause
3#  Copyright (C) 2016 Intel Corporation
4#  All rights reserved.
5#  Copyright (c) 2022 Dell Inc, or its subsidiaries.
6#  Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
7#
8
9import logging
10import argparse
11import importlib
12import os
13import sys
14import shlex
15import json
16
17try:
18    from shlex import quote
19except ImportError:
20    from pipes import quote
21
22sys.path.append(os.path.dirname(__file__) + '/../python')
23
24import spdk.rpc as rpc  # noqa
25from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
26from spdk.rpc.helpers import deprecated_aliases  # noqa
27
28
29def print_array(a):
30    print(" ".join((quote(v) for v in a)))
31
32
33if __name__ == "__main__":
34    parser = argparse.ArgumentParser(
35        description='SPDK RPC command line interface', usage='%(prog)s [options]')
36    parser.add_argument('-s', dest='server_addr',
37                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
38    parser.add_argument('-p', dest='port',
39                        help='RPC port number (if server_addr is IP address)',
40                        default=5260, type=int)
41    parser.add_argument('-t', dest='timeout',
42                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
43                        default=None, type=float)
44    parser.add_argument('-r', dest='conn_retries',
45                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
46                        default=0, type=int)
47    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
48                        help='Set verbose mode to INFO', default="ERROR")
49    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
50                        help="""Set verbose level. """)
51    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
52    parser.set_defaults(dry_run=False)
53    parser.add_argument('--go-client', dest='go_client', action='store_true', help="Use Go client")
54    parser.set_defaults(go_client=False)
55    parser.add_argument('--server', dest='is_server', action='store_true',
56                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
57                                a separate connection for each command. Each command's output ends with either \
58                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
59                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
60                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
61                                must be executed without any other parameters.")
62    parser.set_defaults(is_server=False)
63    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
64    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
65
66    def framework_start_init(args):
67        rpc.framework_start_init(args.client)
68
69    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
70    p.set_defaults(func=framework_start_init)
71
72    def framework_wait_init(args):
73        rpc.framework_wait_init(args.client)
74
75    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
76    p.set_defaults(func=framework_wait_init)
77
78    def rpc_get_methods(args):
79        print_dict(rpc.rpc_get_methods(args.client,
80                                       current=args.current,
81                                       include_aliases=args.include_aliases))
82
83    p = subparsers.add_parser('rpc_get_methods', help='Get list of supported RPC methods')
84    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
85    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
86    p.set_defaults(func=rpc_get_methods)
87
88    def spdk_get_version(args):
89        print_json(rpc.spdk_get_version(args.client))
90
91    p = subparsers.add_parser('spdk_get_version', help='Get SPDK version')
92    p.set_defaults(func=spdk_get_version)
93
94    def save_config(args):
95        rpc.save_config(args.client,
96                        sys.stdout,
97                        indent=args.indent)
98
99    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
100    """)
101    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
102    """, type=int, default=2)
103    p.set_defaults(func=save_config)
104
105    def load_config(args):
106        rpc.load_config(args.client, args.json_conf,
107                        include_aliases=args.include_aliases)
108
109    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
110    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
111    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
112    p.set_defaults(func=load_config)
113
114    def save_subsystem_config(args):
115        rpc.save_subsystem_config(args.client,
116                                  sys.stdout,
117                                  indent=args.indent,
118                                  name=args.name)
119
120    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
121    """)
122    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
123    """, type=int, default=2)
124    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
125    p.set_defaults(func=save_subsystem_config)
126
127    def load_subsystem_config(args):
128        rpc.load_subsystem_config(args.client,
129                                  args.json_conf)
130
131    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
132    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
133    p.set_defaults(func=load_subsystem_config)
134
135    # app
136    def spdk_kill_instance(args):
137        rpc.app.spdk_kill_instance(args.client,
138                                   sig_name=args.sig_name)
139
140    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
141    p.add_argument('sig_name', help='signal will be sent to server.')
142    p.set_defaults(func=spdk_kill_instance)
143
144    def framework_monitor_context_switch(args):
145        enabled = None
146        if args.enable:
147            enabled = True
148        if args.disable:
149            enabled = False
150        print_dict(rpc.app.framework_monitor_context_switch(args.client,
151                                                            enabled=enabled))
152
153    p = subparsers.add_parser('framework_monitor_context_switch',
154                              help='Control whether the context switch monitor is enabled')
155    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
156    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
157    p.set_defaults(func=framework_monitor_context_switch)
158
159    def framework_get_reactors(args):
160        print_dict(rpc.app.framework_get_reactors(args.client))
161
162    p = subparsers.add_parser(
163        'framework_get_reactors', help='Display list of all reactors')
164    p.set_defaults(func=framework_get_reactors)
165
166    def framework_set_scheduler(args):
167        rpc.app.framework_set_scheduler(args.client,
168                                        name=args.name,
169                                        period=args.period,
170                                        load_limit=args.load_limit,
171                                        core_limit=args.core_limit,
172                                        core_busy=args.core_busy)
173
174    p = subparsers.add_parser(
175        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
176    p.add_argument('name', help="Name of a scheduler")
177    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
178    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int)
179    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int)
180    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int)
181    p.set_defaults(func=framework_set_scheduler)
182
183    def framework_get_scheduler(args):
184        print_dict(rpc.app.framework_get_scheduler(args.client))
185
186    p = subparsers.add_parser(
187        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
188    p.set_defaults(func=framework_get_scheduler)
189
190    def framework_get_governor(args):
191        print_dict(rpc.app.framework_get_governor(args.client))
192
193    p = subparsers.add_parser(
194        'framework_get_governor', help='Display currently set governor and the available, set CPU frequencies.')
195    p.set_defaults(func=framework_get_governor)
196
197    def framework_disable_cpumask_locks(args):
198        rpc.framework_disable_cpumask_locks(args.client)
199
200    p = subparsers.add_parser('framework_disable_cpumask_locks',
201                              help='Disable CPU core lock files.')
202    p.set_defaults(func=framework_disable_cpumask_locks)
203
204    def framework_enable_cpumask_locks(args):
205        rpc.framework_enable_cpumask_locks(args.client)
206
207    p = subparsers.add_parser('framework_enable_cpumask_locks',
208                              help='Enable CPU core lock files.')
209    p.set_defaults(func=framework_enable_cpumask_locks)
210
211    # bdev
212    def bdev_set_options(args):
213        rpc.bdev.bdev_set_options(args.client,
214                                  bdev_io_pool_size=args.bdev_io_pool_size,
215                                  bdev_io_cache_size=args.bdev_io_cache_size,
216                                  bdev_auto_examine=args.bdev_auto_examine,
217                                  iobuf_small_cache_size=args.iobuf_small_cache_size,
218                                  iobuf_large_cache_size=args.iobuf_large_cache_size)
219
220    p = subparsers.add_parser('bdev_set_options',
221                              help="""Set options of bdev subsystem""")
222    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
223    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
224    group = p.add_mutually_exclusive_group()
225    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
226    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
227    p.add_argument('--iobuf-small-cache-size', help='Size of the small iobuf per thread cache', type=int)
228    p.add_argument('--iobuf-large-cache-size', help='Size of the large iobuf per thread cache', type=int)
229    p.set_defaults(bdev_auto_examine=True)
230    p.set_defaults(func=bdev_set_options)
231
232    def bdev_examine(args):
233        rpc.bdev.bdev_examine(args.client,
234                              name=args.name)
235
236    p = subparsers.add_parser('bdev_examine',
237                              help="""examine a bdev if it exists, or will examine it after it is created""")
238    p.add_argument('-b', '--name', help='Name or alias of the bdev')
239    p.set_defaults(func=bdev_examine)
240
241    def bdev_wait_for_examine(args):
242        rpc.bdev.bdev_wait_for_examine(args.client)
243
244    p = subparsers.add_parser('bdev_wait_for_examine',
245                              help="""Report when all bdevs have been examined""")
246    p.set_defaults(func=bdev_wait_for_examine)
247
248    def bdev_compress_create(args):
249        print_json(rpc.bdev.bdev_compress_create(args.client,
250                                                 base_bdev_name=args.base_bdev_name,
251                                                 pm_path=args.pm_path,
252                                                 lb_size=args.lb_size))
253
254    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
255    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
256    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
257    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
258    p.set_defaults(func=bdev_compress_create)
259
260    def bdev_compress_delete(args):
261        rpc.bdev.bdev_compress_delete(args.client,
262                                      name=args.name)
263
264    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
265    p.add_argument('name', help='compress bdev name')
266    p.set_defaults(func=bdev_compress_delete)
267
268    def bdev_compress_get_orphans(args):
269        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
270                                                      name=args.name))
271    p = subparsers.add_parser(
272        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
273    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1")
274    p.set_defaults(func=bdev_compress_get_orphans)
275
276    def bdev_crypto_create(args):
277        print_json(rpc.bdev.bdev_crypto_create(args.client,
278                                               base_bdev_name=args.base_bdev_name,
279                                               name=args.name,
280                                               crypto_pmd=args.crypto_pmd,
281                                               key=args.key,
282                                               cipher=args.cipher,
283                                               key2=args.key2,
284                                               key_name=args.key_name))
285    p = subparsers.add_parser('bdev_crypto_create', help='Add a crypto vbdev')
286    p.add_argument('base_bdev_name', help="Name of the base bdev")
287    p.add_argument('name', help="Name of the crypto vbdev")
288    p.add_argument('-p', '--crypto-pmd', help="Name of the crypto device driver. Obsolete, see dpdk_cryptodev_set_driver")
289    p.add_argument('-k', '--key', help="Key. Obsolete, see accel_crypto_key_create")
290    p.add_argument('-c', '--cipher', help="cipher to use. Obsolete, see accel_crypto_key_create")
291    p.add_argument('-k2', '--key2', help="2nd key for cipher AES_XTS. Obsolete, see accel_crypto_key_create", default=None)
292    p.add_argument('-n', '--key-name', help="Key name to use, see accel_crypto_key_create")
293    p.set_defaults(func=bdev_crypto_create)
294
295    def bdev_crypto_delete(args):
296        rpc.bdev.bdev_crypto_delete(args.client,
297                                    name=args.name)
298
299    p = subparsers.add_parser('bdev_crypto_delete', help='Delete a crypto disk')
300    p.add_argument('name', help='crypto bdev name')
301    p.set_defaults(func=bdev_crypto_delete)
302
303    def bdev_ocf_create(args):
304        print_json(rpc.bdev.bdev_ocf_create(args.client,
305                                            name=args.name,
306                                            mode=args.mode,
307                                            cache_line_size=args.cache_line_size,
308                                            cache_bdev_name=args.cache_bdev_name,
309                                            core_bdev_name=args.core_bdev_name))
310    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
311    p.add_argument('name', help='Name of resulting OCF bdev')
312    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
313    p.add_argument(
314        '--cache-line-size',
315        help='OCF cache line size. The unit is KiB',
316        type=int,
317        choices=[4, 8, 16, 32, 64]
318    )
319    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
320    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
321    p.set_defaults(func=bdev_ocf_create)
322
323    def bdev_ocf_delete(args):
324        rpc.bdev.bdev_ocf_delete(args.client,
325                                 name=args.name)
326
327    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.set_defaults(func=bdev_ocf_delete)
330
331    def bdev_ocf_get_stats(args):
332        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
333                                               name=args.name))
334    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
335    p.add_argument('name', help='Name of OCF bdev')
336    p.set_defaults(func=bdev_ocf_get_stats)
337
338    def bdev_ocf_reset_stats(args):
339        print_dict(rpc.bdev.bdev_ocf_reset_stats(args.client,
340                                                 name=args.name))
341    p = subparsers.add_parser('bdev_ocf_reset_stats', help='Reset statistics of chosen OCF block device')
342    p.add_argument('name', help='Name of OCF bdev')
343    p.set_defaults(func=bdev_ocf_reset_stats)
344
345    def bdev_ocf_get_bdevs(args):
346        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
347                                               name=args.name))
348    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
349    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
350    p.set_defaults(func=bdev_ocf_get_bdevs)
351
352    def bdev_ocf_set_cache_mode(args):
353        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
354                                                    name=args.name,
355                                                    mode=args.mode))
356    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
357                              help='Set cache mode of OCF block device')
358    p.add_argument('name', help='Name of OCF bdev')
359    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
360    p.set_defaults(func=bdev_ocf_set_cache_mode)
361
362    def bdev_ocf_set_seqcutoff(args):
363        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
364                                        name=args.name,
365                                        policy=args.policy,
366                                        threshold=args.threshold,
367                                        promotion_count=args.promotion_count)
368    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
369                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
370    p.add_argument('name', help='Name of OCF cache bdev')
371    p.add_argument('-t', '--threshold', type=int,
372                   help='Activation threshold [KiB]')
373    p.add_argument('-c', '--promotion-count', type=int,
374                   help='Promotion request count')
375    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
376                   help='Sequential cutoff policy')
377    p.set_defaults(func=bdev_ocf_set_seqcutoff)
378
379    def bdev_ocf_flush_start(args):
380        rpc.bdev.bdev_ocf_flush_start(args.client, name=args.name)
381    p = subparsers.add_parser('bdev_ocf_flush_start',
382                              help='Start flushing OCF cache device')
383    p.add_argument('name', help='Name of OCF bdev')
384    p.set_defaults(func=bdev_ocf_flush_start)
385
386    def bdev_ocf_flush_status(args):
387        print_json(rpc.bdev.bdev_ocf_flush_status(args.client, name=args.name))
388    p = subparsers.add_parser('bdev_ocf_flush_status',
389                              help='Get flush status of OCF cache device')
390    p.add_argument('name', help='Name of OCF bdev')
391    p.set_defaults(func=bdev_ocf_flush_status)
392
393    def bdev_malloc_create(args):
394        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
395        print_json(rpc.bdev.bdev_malloc_create(args.client,
396                                               num_blocks=int(num_blocks),
397                                               block_size=args.block_size,
398                                               physical_block_size=args.physical_block_size,
399                                               name=args.name,
400                                               uuid=args.uuid,
401                                               optimal_io_boundary=args.optimal_io_boundary,
402                                               md_size=args.md_size,
403                                               md_interleave=args.md_interleave,
404                                               dif_type=args.dif_type,
405                                               dif_is_head_of_md=args.dif_is_head_of_md))
406    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
407    p.add_argument('-b', '--name', help="Name of the bdev")
408    p.add_argument('-u', '--uuid', help="UUID of the bdev")
409    p.add_argument(
410        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
411    p.add_argument('block_size', help='Data block size for this bdev', type=int)
412    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
413    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
414    blocks, default 0 (disabled)""", type=int)
415    p.add_argument('-m', '--md-size', type=int,
416                   help='Metadata size for this bdev (0, 8, 16, 32, 64, or 128). Default is 0.')
417    p.add_argument('-i', '--md-interleave', action='store_true',
418                   help='Metadata location, interleaved if set, and separated if omitted.')
419    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
420                   help='Protection information type. Parameter --md-size needs'
421                        'to be set along --dif-type. Default=0 - no protection.')
422    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
423                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
424    p.set_defaults(func=bdev_malloc_create)
425
426    def bdev_malloc_delete(args):
427        rpc.bdev.bdev_malloc_delete(args.client,
428                                    name=args.name)
429
430    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
431    p.add_argument('name', help='malloc bdev name')
432    p.set_defaults(func=bdev_malloc_delete)
433
434    def bdev_null_create(args):
435        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
436        if args.dif_type and not args.md_size:
437            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
438            exit(1)
439        print_json(rpc.bdev.bdev_null_create(args.client,
440                                             num_blocks=num_blocks,
441                                             block_size=args.block_size,
442                                             physical_block_size=args.physical_block_size,
443                                             name=args.name,
444                                             uuid=args.uuid,
445                                             md_size=args.md_size,
446                                             dif_type=args.dif_type,
447                                             dif_is_head_of_md=args.dif_is_head_of_md))
448
449    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
450    p.add_argument('name', help='Block device name')
451    p.add_argument('-u', '--uuid', help='UUID of the bdev')
452    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
453    p.add_argument('block_size', help='Data block size for this bdev.', type=int)
454    p.add_argument('-p', '--physical-block-size', help='Physical block size for this bdev.', type=int)
455    p.add_argument('-m', '--md-size', type=int,
456                   help='Metadata size for this bdev. Default=0.')
457    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
458                   help='Protection information type. Parameter --md-size needs'
459                        'to be set along --dif-type. Default=0 - no protection.')
460    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
461                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
462    p.set_defaults(func=bdev_null_create)
463
464    def bdev_null_delete(args):
465        rpc.bdev.bdev_null_delete(args.client,
466                                  name=args.name)
467
468    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
469    p.add_argument('name', help='null bdev name')
470    p.set_defaults(func=bdev_null_delete)
471
472    def bdev_null_resize(args):
473        print_json(rpc.bdev.bdev_null_resize(args.client,
474                                             name=args.name,
475                                             new_size=int(args.new_size)))
476
477    p = subparsers.add_parser('bdev_null_resize',
478                              help='Resize a null bdev')
479    p.add_argument('name', help='null bdev name')
480    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
481    p.set_defaults(func=bdev_null_resize)
482
483    def bdev_aio_create(args):
484        print_json(rpc.bdev.bdev_aio_create(args.client,
485                                            filename=args.filename,
486                                            name=args.name,
487                                            block_size=args.block_size,
488                                            readonly=args.readonly,
489                                            fallocate=args.fallocate))
490
491    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
492    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
493    p.add_argument('name', help='Block device name')
494    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
495    p.add_argument("-r", "--readonly", action='store_true', help='Set this bdev as read-only')
496    p.add_argument("--fallocate", action='store_true', help='Support unmap/writezeros by fallocate')
497    p.set_defaults(func=bdev_aio_create)
498
499    def bdev_aio_rescan(args):
500        print_json(rpc.bdev.bdev_aio_rescan(args.client,
501                                            name=args.name))
502
503    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
504    p.add_argument('name', help='Block device name')
505    p.set_defaults(func=bdev_aio_rescan)
506
507    def bdev_aio_delete(args):
508        rpc.bdev.bdev_aio_delete(args.client,
509                                 name=args.name)
510
511    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
512    p.add_argument('name', help='aio bdev name')
513    p.set_defaults(func=bdev_aio_delete)
514
515    def bdev_uring_create(args):
516        print_json(rpc.bdev.bdev_uring_create(args.client,
517                                              filename=args.filename,
518                                              name=args.name,
519                                              block_size=args.block_size,
520                                              uuid=args.uuid))
521
522    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
523    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
524    p.add_argument('name', help='bdev name')
525    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
526    p.add_argument('-u', '--uuid', help="UUID of the bdev")
527    p.set_defaults(func=bdev_uring_create)
528
529    def bdev_uring_rescan(args):
530        print_json(rpc.bdev.bdev_uring_rescan(args.client,
531                                              name=args.name))
532
533    p = subparsers.add_parser('bdev_uring_rescan', help='Rescan a bdev size with uring backend')
534    p.add_argument('name', help='Block device name')
535    p.set_defaults(func=bdev_uring_rescan)
536
537    def bdev_uring_delete(args):
538        rpc.bdev.bdev_uring_delete(args.client,
539                                   name=args.name)
540
541    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
542    p.add_argument('name', help='uring bdev name')
543    p.set_defaults(func=bdev_uring_delete)
544
545    def bdev_xnvme_create(args):
546        print_json(rpc.bdev.bdev_xnvme_create(args.client,
547                                              filename=args.filename,
548                                              name=args.name,
549                                              io_mechanism=args.io_mechanism))
550
551    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
552    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
553    p.add_argument('name', help='name of xNVMe bdev to create')
554    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
555    p.add_argument('conserve_cpu', action='store_true', help='Whether or not to conserve CPU when polling')
556    p.set_defaults(func=bdev_xnvme_create)
557
558    def bdev_xnvme_delete(args):
559        rpc.bdev.bdev_xnvme_delete(args.client,
560                                   name=args.name)
561
562    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
563    p.add_argument('name', help='xNVMe bdev name')
564    p.set_defaults(func=bdev_xnvme_delete)
565
566    def bdev_nvme_set_options(args):
567        rpc.bdev.bdev_nvme_set_options(args.client,
568                                       action_on_timeout=args.action_on_timeout,
569                                       timeout_us=args.timeout_us,
570                                       timeout_admin_us=args.timeout_admin_us,
571                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
572                                       arbitration_burst=args.arbitration_burst,
573                                       low_priority_weight=args.low_priority_weight,
574                                       medium_priority_weight=args.medium_priority_weight,
575                                       high_priority_weight=args.high_priority_weight,
576                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
577                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
578                                       io_queue_requests=args.io_queue_requests,
579                                       delay_cmd_submit=args.delay_cmd_submit,
580                                       transport_retry_count=args.transport_retry_count,
581                                       bdev_retry_count=args.bdev_retry_count,
582                                       transport_ack_timeout=args.transport_ack_timeout,
583                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
584                                       reconnect_delay_sec=args.reconnect_delay_sec,
585                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
586                                       disable_auto_failback=args.disable_auto_failback,
587                                       generate_uuids=args.generate_uuids,
588                                       transport_tos=args.transport_tos,
589                                       nvme_error_stat=args.nvme_error_stat,
590                                       rdma_srq_size=args.rdma_srq_size,
591                                       io_path_stat=args.io_path_stat,
592                                       allow_accel_sequence=args.allow_accel_sequence,
593                                       rdma_max_cq_size=args.rdma_max_cq_size,
594                                       rdma_cm_event_timeout_ms=args.rdma_cm_event_timeout_ms,
595                                       dhchap_digests=args.dhchap_digests,
596                                       dhchap_dhgroups=args.dhchap_dhgroups)
597
598    p = subparsers.add_parser('bdev_nvme_set_options',
599                              help='Set options for the bdev nvme type. This is startup command.')
600    p.add_argument('-a', '--action-on-timeout',
601                   help="Action to take on command time out. Valid values are: none, reset, abort")
602    p.add_argument('-t', '--timeout-us',
603                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
604    p.add_argument('--timeout-admin-us',
605                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
606    p.add_argument('-k', '--keep-alive-timeout-ms',
607                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
608    p.add_argument('--arbitration-burst',
609                   help='the value is expressed as a power of two', type=int)
610    p.add_argument('--low-priority-weight',
611                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
612    p.add_argument('--medium-priority-weight',
613                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
614    p.add_argument('--high-priority-weight',
615                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
616    p.add_argument('-p', '--nvme-adminq-poll-period-us',
617                   help='How often the admin queue is polled for asynchronous events', type=int)
618    p.add_argument('-i', '--nvme-ioq-poll-period-us',
619                   help='How often to poll I/O queues for completions', type=int)
620    p.add_argument('-s', '--io-queue-requests',
621                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
622    p.add_argument('-d', '--disable-delay-cmd-submit',
623                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
624                   action='store_false', dest='delay_cmd_submit')
625    p.add_argument('-c', '--transport-retry-count',
626                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
627    p.add_argument('-r', '--bdev-retry-count',
628                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
629    p.add_argument('-e', '--transport-ack-timeout',
630                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
631                   Range 0-31 where 0 is driver-specific default value.""", type=int)
632    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
633                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
634                   -1 means infinite reconnect retries. 0 means no reconnect retry.
635                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
636                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
637                   reconnect_delay_sec.
638                   This can be overridden by bdev_nvme_attach_controller.""",
639                   type=int)
640    p.add_argument('-o', '--reconnect-delay-sec',
641                   help="""Time to delay a reconnect retry.
642                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
643                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
644                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
645                   less than ctrlr_loss_timeout_sec.
646                   This can be overridden by bdev_nvme_attach_controller.""",
647                   type=int)
648    p.add_argument('-u', '--fast-io-fail-timeout-sec',
649                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
650                   0 means no such timeout.
651                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
652                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
653                   This can be overridden by bdev_nvme_attach_controller.""",
654                   type=int)
655    p.add_argument('-f', '--disable-auto-failback',
656                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
657                   By default, immediately failback to the preferred I/O path if it restored.""",
658                   action='store_true')
659    p.add_argument('--generate-uuids',
660                   help="""Enable generation of unique identifiers for NVMe bdevs only if they do
661                   not provide UUID themselves. These strings are based on device serial number and
662                   namespace ID and will always be the same for that device.""", action='store_true')
663    p.add_argument('--transport-tos',
664                   help="""IPv4 Type of Service value. Only applicable for RDMA transports.
665                   The default is 0 which means no TOS is applied.""", type=int)
666    p.add_argument('-m', '--nvme-error-stat', help="Enable collecting NVMe error counts.", action='store_true')
667    p.add_argument('-q', '--rdma-srq-size',
668                   help='Set the size of a shared rdma receive queue. Default: 0 (disabled)', type=int)
669    p.add_argument('--io-path-stat',
670                   help="""Enable collecting I/O path stat of each io path.""",
671                   action='store_true')
672    p.add_argument('--allow-accel-sequence',
673                   help='''Allow NVMe bdevs to advertise support for accel sequences if the
674                   controller also supports them.''', action='store_true')
675    p.add_argument('--rdma-max-cq-size',
676                   help='The maximum size of a rdma completion queue. Default: 0 (unlimited)', type=int)
677    p.add_argument('--rdma-cm-event-timeout-ms',
678                   help='Time to wait for RDMA CM event. Only applicable for RDMA transports.', type=int)
679    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
680                   type=lambda d: d.split(','))
681    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
682                   type=lambda d: d.split(','))
683
684    p.set_defaults(func=bdev_nvme_set_options)
685
686    def bdev_nvme_set_hotplug(args):
687        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
688
689    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
690    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
691    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
692    p.add_argument('-r', '--period-us',
693                   help='How often the hotplug is processed for insert and remove events', type=int)
694    p.set_defaults(func=bdev_nvme_set_hotplug)
695
696    def bdev_nvme_attach_controller(args):
697        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
698                                                         name=args.name,
699                                                         trtype=args.trtype,
700                                                         traddr=args.traddr,
701                                                         adrfam=args.adrfam,
702                                                         trsvcid=args.trsvcid,
703                                                         priority=args.priority,
704                                                         subnqn=args.subnqn,
705                                                         hostnqn=args.hostnqn,
706                                                         hostaddr=args.hostaddr,
707                                                         hostsvcid=args.hostsvcid,
708                                                         prchk_reftag=args.prchk_reftag,
709                                                         prchk_guard=args.prchk_guard,
710                                                         hdgst=args.hdgst,
711                                                         ddgst=args.ddgst,
712                                                         fabrics_connect_timeout_us=args.fabrics_connect_timeout_us,
713                                                         multipath=args.multipath,
714                                                         num_io_queues=args.num_io_queues,
715                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
716                                                         reconnect_delay_sec=args.reconnect_delay_sec,
717                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
718                                                         psk=args.psk,
719                                                         max_bdevs=args.max_bdevs,
720                                                         dhchap_key=args.dhchap_key,
721                                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key))
722
723    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
724    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
725    p.add_argument('-t', '--trtype',
726                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
727    p.add_argument('-a', '--traddr',
728                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
729    p.add_argument('-f', '--adrfam',
730                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
731    p.add_argument('-s', '--trsvcid',
732                   help='NVMe-oF target trsvcid: e.g., a port number')
733    p.add_argument('-p', '--priority',
734                   help='NVMe-oF connection priority: e.g., a priority number')
735    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
736    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
737    p.add_argument('-i', '--hostaddr',
738                   help='NVMe-oF host address: e.g., an ip address')
739    p.add_argument('-c', '--hostsvcid',
740                   help='NVMe-oF host svcid: e.g., a port number')
741    p.add_argument('-r', '--prchk-reftag',
742                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
743    p.add_argument('-g', '--prchk-guard',
744                   help='Enable checking of PI guard for I/O processing.', action='store_true')
745    p.add_argument('-e', '--hdgst',
746                   help='Enable TCP header digest.', action='store_true')
747    p.add_argument('-d', '--ddgst',
748                   help='Enable TCP data digest.', action='store_true')
749    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds',
750                   dest="fabrics_connect_timeout_us")
751    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
752    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
753    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
754                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
755                   -1 means infinite reconnect retries. 0 means no reconnect retry.
756                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
757                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
758                   reconnect_delay_sec.""",
759                   type=int)
760    p.add_argument('-o', '--reconnect-delay-sec',
761                   help="""Time to delay a reconnect retry.
762                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
763                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
764                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
765                   less than ctrlr_loss_timeout_sec.""",
766                   type=int)
767    p.add_argument('-u', '--fast-io-fail-timeout-sec',
768                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
769                   0 means no such timeout.
770                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
771                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
772                   type=int)
773    p.add_argument('-k', '--psk',
774                   help="""Set PSK and enable TCP SSL socket implementation.  The PSK can either be a
775                   name of a key attached to the keyring or a path to a file containig the key.  The
776                   latter method is deprecated.""")
777    p.add_argument('-m', '--max-bdevs', type=int,
778                   help='The size of the name array for newly created bdevs. Default is 128',)
779    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name')
780    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name')
781
782    p.set_defaults(func=bdev_nvme_attach_controller)
783
784    def bdev_nvme_get_controllers(args):
785        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
786                                                      name=args.name))
787
788    p = subparsers.add_parser(
789        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
790    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0")
791    p.set_defaults(func=bdev_nvme_get_controllers)
792
793    def bdev_nvme_detach_controller(args):
794        rpc.bdev.bdev_nvme_detach_controller(args.client,
795                                             name=args.name,
796                                             trtype=args.trtype,
797                                             traddr=args.traddr,
798                                             adrfam=args.adrfam,
799                                             trsvcid=args.trsvcid,
800                                             subnqn=args.subnqn,
801                                             hostaddr=args.hostaddr,
802                                             hostsvcid=args.hostsvcid)
803
804    p = subparsers.add_parser('bdev_nvme_detach_controller',
805                              help='Detach an NVMe controller and delete any associated bdevs')
806    p.add_argument('name', help="Name of the controller")
807    p.add_argument('-t', '--trtype',
808                   help='NVMe-oF target trtype: e.g., rdma, pcie')
809    p.add_argument('-a', '--traddr',
810                   help='NVMe-oF target address: e.g., an ip address or BDF')
811    p.add_argument('-f', '--adrfam',
812                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
813    p.add_argument('-s', '--trsvcid',
814                   help='NVMe-oF target trsvcid: e.g., a port number')
815    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
816    p.add_argument('-i', '--hostaddr',
817                   help='NVMe-oF host address: e.g., an ip address')
818    p.add_argument('-c', '--hostsvcid',
819                   help='NVMe-oF host svcid: e.g., a port number')
820    p.set_defaults(func=bdev_nvme_detach_controller)
821
822    def bdev_nvme_reset_controller(args):
823        rpc.bdev.bdev_nvme_reset_controller(args.client,
824                                            name=args.name,
825                                            cntlid=args.cntlid)
826
827    p = subparsers.add_parser('bdev_nvme_reset_controller',
828                              help='Reset an NVMe controller or all NVMe controllers in an NVMe bdev controller')
829    p.add_argument('name', help="Name of the NVMe controller")
830    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
831    p.set_defaults(func=bdev_nvme_reset_controller)
832
833    def bdev_nvme_enable_controller(args):
834        rpc.bdev.bdev_nvme_enable_controller(args.client,
835                                             name=args.name,
836                                             cntlid=args.cntlid)
837
838    p = subparsers.add_parser('bdev_nvme_enable_controller',
839                              help='Enable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
840    p.add_argument('name', help="Name of the NVMe controller")
841    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
842    p.set_defaults(func=bdev_nvme_enable_controller)
843
844    def bdev_nvme_disable_controller(args):
845        rpc.bdev.bdev_nvme_disable_controller(args.client,
846                                              name=args.name,
847                                              cntlid=args.cntlid)
848
849    p = subparsers.add_parser('bdev_nvme_disable_controller',
850                              help='Disable an NVMe controller or all NVMe controllers in an NVMe bdev controller')
851    p.add_argument('name', help="Name of the NVMe controller")
852    p.add_argument('-c', '--cntlid', help="NVMe controller ID", type=int)
853    p.set_defaults(func=bdev_nvme_disable_controller)
854
855    def bdev_nvme_start_discovery(args):
856        rpc.bdev.bdev_nvme_start_discovery(args.client,
857                                           name=args.name,
858                                           trtype=args.trtype,
859                                           traddr=args.traddr,
860                                           adrfam=args.adrfam,
861                                           trsvcid=args.trsvcid,
862                                           hostnqn=args.hostnqn,
863                                           wait_for_attach=args.wait_for_attach,
864                                           attach_timeout_ms=args.attach_timeout_ms,
865                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
866                                           reconnect_delay_sec=args.reconnect_delay_sec,
867                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
868
869    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
870    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
871    p.add_argument('-t', '--trtype',
872                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
873    p.add_argument('-a', '--traddr',
874                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
875    p.add_argument('-f', '--adrfam',
876                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
877    p.add_argument('-s', '--trsvcid',
878                   help='NVMe-oF target trsvcid: e.g., a port number')
879    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
880    p.add_argument('-w', '--wait-for-attach', action='store_true',
881                   help='Do not complete RPC until all discovered NVM subsystems are attached')
882    p.add_argument('-T', '--attach-timeout-ms', type=int,
883                   help="""Time to wait until the discovery and all discovered NVM subsystems
884                        are attached (default: 0, meaning wait indefinitely).  Automatically
885                        selects the --wait-for-attach option.""")
886    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
887                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
888                   -1 means infinite reconnect retries. 0 means no reconnect retry.
889                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
890                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
891                   reconnect_delay_sec.""",
892                   type=int)
893    p.add_argument('-o', '--reconnect-delay-sec',
894                   help="""Time to delay a reconnect retry.
895                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
896                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
897                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
898                   less than ctrlr_loss_timeout_sec.""",
899                   type=int)
900    p.add_argument('-u', '--fast-io-fail-timeout-sec',
901                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
902                   0 means no such timeout.
903                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
904                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
905                   type=int)
906    p.set_defaults(func=bdev_nvme_start_discovery)
907
908    def bdev_nvme_stop_discovery(args):
909        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
910
911    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
912    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
913    p.set_defaults(func=bdev_nvme_stop_discovery)
914
915    def bdev_nvme_get_discovery_info(args):
916        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
917
918    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
919    p.set_defaults(func=bdev_nvme_get_discovery_info)
920
921    def bdev_nvme_get_io_paths(args):
922        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
923
924    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
925    p.add_argument('-n', '--name', help="Name of the NVMe bdev")
926    p.set_defaults(func=bdev_nvme_get_io_paths)
927
928    def bdev_nvme_set_preferred_path(args):
929        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
930                                              name=args.name,
931                                              cntlid=args.cntlid)
932
933    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
934                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
935    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
936    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
937    p.set_defaults(func=bdev_nvme_set_preferred_path)
938
939    def bdev_nvme_set_multipath_policy(args):
940        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
941                                                name=args.name,
942                                                policy=args.policy,
943                                                selector=args.selector,
944                                                rr_min_io=args.rr_min_io)
945
946    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
947                              help="""Set multipath policy of the NVMe bdev""")
948    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
949    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
950    p.add_argument('-s', '--selector', help='Multipath selector (round_robin, queue_depth)')
951    p.add_argument('-r', '--rr-min-io',
952                   help='Number of IO to route to a path before switching to another for round-robin',
953                   type=int)
954    p.set_defaults(func=bdev_nvme_set_multipath_policy)
955
956    def bdev_nvme_get_path_iostat(args):
957        print_dict(rpc.bdev.bdev_nvme_get_path_iostat(args.client,
958                                                      name=args.name))
959
960    p = subparsers.add_parser('bdev_nvme_get_path_iostat',
961                              help="""Display current I/O statistics of all the IO paths of the blockdev. It can be
962                              called when io_path_stat is true.""")
963    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: NVMe0n1", required=True)
964    p.set_defaults(func=bdev_nvme_get_path_iostat)
965
966    def bdev_nvme_cuse_register(args):
967        rpc.bdev.bdev_nvme_cuse_register(args.client,
968                                         name=args.name)
969
970    p = subparsers.add_parser('bdev_nvme_cuse_register',
971                              help='Register CUSE devices on NVMe controller')
972    p.add_argument('-n', '--name',
973                   help='Name of the NVMe controller. Example: Nvme0', required=True)
974    p.set_defaults(func=bdev_nvme_cuse_register)
975
976    def bdev_nvme_cuse_unregister(args):
977        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
978                                           name=args.name)
979
980    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
981                              help='Unregister CUSE devices on NVMe controller')
982    p.add_argument('-n', '--name',
983                   help='Name of the NVMe controller. Example: Nvme0', required=True)
984    p.set_defaults(func=bdev_nvme_cuse_unregister)
985
986    def bdev_zone_block_create(args):
987        print_json(rpc.bdev.bdev_zone_block_create(args.client,
988                                                   name=args.name,
989                                                   base_bdev=args.base_bdev,
990                                                   zone_capacity=args.zone_capacity,
991                                                   optimal_open_zones=args.optimal_open_zones))
992
993    p = subparsers.add_parser('bdev_zone_block_create',
994                              help='Create virtual zone namespace device with block device backend')
995    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
996    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
997    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
998    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
999    p.set_defaults(func=bdev_zone_block_create)
1000
1001    def bdev_zone_block_delete(args):
1002        rpc.bdev.bdev_zone_block_delete(args.client,
1003                                        name=args.name)
1004
1005    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
1006    p.add_argument('name', help='Virtual zone bdev name')
1007    p.set_defaults(func=bdev_zone_block_delete)
1008
1009    def bdev_rbd_register_cluster(args):
1010        config_param = None
1011        if args.config_param:
1012            config_param = {}
1013            for entry in args.config_param:
1014                parts = entry.split('=', 1)
1015                if len(parts) != 2:
1016                    raise Exception('--config %s not in key=value form' % entry)
1017                config_param[parts[0]] = parts[1]
1018        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
1019                                                      name=args.name,
1020                                                      user_id=args.user,
1021                                                      config_param=config_param,
1022                                                      config_file=args.config_file,
1023                                                      key_file=args.key_file,
1024                                                      core_mask=args.core_mask))
1025
1026    p = subparsers.add_parser('bdev_rbd_register_cluster',
1027                              help='Add a Rados cluster with ceph rbd backend')
1028    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
1029    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1030    p.add_argument('--config-param', action='append', metavar='key=value',
1031                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1032    p.add_argument('--config-file', help="The file path of the Rados configuration file")
1033    p.add_argument('--key-file', help="The file path of the Rados keyring file")
1034    p.add_argument('--core-mask', help="Set core mask for librbd IO context threads")
1035    p.set_defaults(func=bdev_rbd_register_cluster)
1036
1037    def bdev_rbd_unregister_cluster(args):
1038        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
1039
1040    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
1041                              help='Unregister a Rados cluster object')
1042    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
1043    p.set_defaults(func=bdev_rbd_unregister_cluster)
1044
1045    def bdev_rbd_get_clusters_info(args):
1046        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
1047
1048    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
1049                              help='Display registered Rados Cluster names and related info')
1050    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1")
1051    p.set_defaults(func=bdev_rbd_get_clusters_info)
1052
1053    def bdev_rbd_create(args):
1054        config = None
1055        if args.config:
1056            config = {}
1057            for entry in args.config:
1058                parts = entry.split('=', 1)
1059                if len(parts) != 2:
1060                    raise Exception('--config %s not in key=value form' % entry)
1061                config[parts[0]] = parts[1]
1062        print_json(rpc.bdev.bdev_rbd_create(args.client,
1063                                            name=args.name,
1064                                            user_id=args.user,
1065                                            config=config,
1066                                            pool_name=args.pool_name,
1067                                            rbd_name=args.rbd_name,
1068                                            block_size=args.block_size,
1069                                            cluster_name=args.cluster_name,
1070                                            uuid=args.uuid))
1071
1072    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
1073    p.add_argument('-b', '--name', help="Name of the bdev")
1074    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)")
1075    p.add_argument('--config', action='append', metavar='key=value',
1076                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
1077    p.add_argument('pool_name', help='rbd pool name')
1078    p.add_argument('rbd_name', help='rbd image name')
1079    p.add_argument('block_size', help='rbd block size', type=int)
1080    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster")
1081    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1082    p.set_defaults(func=bdev_rbd_create)
1083
1084    def bdev_rbd_delete(args):
1085        rpc.bdev.bdev_rbd_delete(args.client,
1086                                 name=args.name)
1087
1088    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
1089    p.add_argument('name', help='rbd bdev name')
1090    p.set_defaults(func=bdev_rbd_delete)
1091
1092    def bdev_rbd_resize(args):
1093        print_json(rpc.bdev.bdev_rbd_resize(args.client,
1094                                            name=args.name,
1095                                            new_size=int(args.new_size)))
1096
1097    p = subparsers.add_parser('bdev_rbd_resize',
1098                              help='Resize a rbd bdev')
1099    p.add_argument('name', help='rbd bdev name')
1100    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
1101    p.set_defaults(func=bdev_rbd_resize)
1102
1103    def bdev_delay_create(args):
1104        print_json(rpc.bdev.bdev_delay_create(args.client,
1105                                              base_bdev_name=args.base_bdev_name,
1106                                              name=args.name,
1107                                              uuid=args.uuid,
1108                                              avg_read_latency=args.avg_read_latency,
1109                                              p99_read_latency=args.nine_nine_read_latency,
1110                                              avg_write_latency=args.avg_write_latency,
1111                                              p99_write_latency=args.nine_nine_write_latency))
1112
1113    p = subparsers.add_parser('bdev_delay_create',
1114                              help='Add a delay bdev on existing bdev')
1115    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1116    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
1117    p.add_argument('-u', '--uuid', help='UUID of the bdev (optional)')
1118    p.add_argument('-r', '--avg-read-latency',
1119                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
1120    p.add_argument('-t', '--nine-nine-read-latency',
1121                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
1122    p.add_argument('-w', '--avg-write-latency',
1123                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
1124    p.add_argument('-n', '--nine-nine-write-latency',
1125                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
1126    p.set_defaults(func=bdev_delay_create)
1127
1128    def bdev_delay_delete(args):
1129        rpc.bdev.bdev_delay_delete(args.client,
1130                                   name=args.name)
1131
1132    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
1133    p.add_argument('name', help='delay bdev name')
1134    p.set_defaults(func=bdev_delay_delete)
1135
1136    def bdev_delay_update_latency(args):
1137        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
1138                                                      delay_bdev_name=args.delay_bdev_name,
1139                                                      latency_type=args.latency_type,
1140                                                      latency_us=args.latency_us))
1141    p = subparsers.add_parser('bdev_delay_update_latency',
1142                              help='Update one of the latency values for a given delay bdev')
1143    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
1144    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
1145    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
1146    p.set_defaults(func=bdev_delay_update_latency)
1147
1148    def bdev_error_create(args):
1149        print_json(rpc.bdev.bdev_error_create(args.client,
1150                                              base_name=args.base_name,
1151                                              uuid=args.uuid))
1152
1153    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
1154    p.add_argument('base_name', help='base bdev name')
1155    p.add_argument('--uuid', help='UUID for this bdev')
1156    p.set_defaults(func=bdev_error_create)
1157
1158    def bdev_error_delete(args):
1159        rpc.bdev.bdev_error_delete(args.client,
1160                                   name=args.name)
1161
1162    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
1163    p.add_argument('name', help='error bdev name')
1164    p.set_defaults(func=bdev_error_delete)
1165
1166    def bdev_iscsi_set_options(args):
1167        rpc.bdev.bdev_iscsi_set_options(args.client,
1168                                        timeout_sec=args.timeout_sec)
1169
1170    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1171    p.add_argument('-t', '--timeout-sec', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1172    p.set_defaults(func=bdev_iscsi_set_options)
1173
1174    def bdev_iscsi_create(args):
1175        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1176                                              name=args.name,
1177                                              url=args.url,
1178                                              initiator_iqn=args.initiator_iqn))
1179
1180    p = subparsers.add_parser('bdev_iscsi_create',
1181                              help='Add bdev with iSCSI initiator backend')
1182    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1183    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1184    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1185    p.set_defaults(func=bdev_iscsi_create)
1186
1187    def bdev_iscsi_delete(args):
1188        rpc.bdev.bdev_iscsi_delete(args.client,
1189                                   name=args.name)
1190
1191    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1192    p.add_argument('name', help='iSCSI bdev name')
1193    p.set_defaults(func=bdev_iscsi_delete)
1194
1195    def bdev_passthru_create(args):
1196        print_json(rpc.bdev.bdev_passthru_create(args.client,
1197                                                 base_bdev_name=args.base_bdev_name,
1198                                                 name=args.name,
1199                                                 uuid=args.uuid))
1200
1201    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1202    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1203    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1204    p.add_argument('-u', '--uuid', help="UUID of the bdev")
1205    p.set_defaults(func=bdev_passthru_create)
1206
1207    def bdev_passthru_delete(args):
1208        rpc.bdev.bdev_passthru_delete(args.client,
1209                                      name=args.name)
1210
1211    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1212    p.add_argument('name', help='pass through bdev name')
1213    p.set_defaults(func=bdev_passthru_delete)
1214
1215    def bdev_get_bdevs(args):
1216        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1217                                           name=args.name, timeout=args.timeout_ms))
1218
1219    p = subparsers.add_parser('bdev_get_bdevs',
1220                              help='Display current blockdev list or required blockdev')
1221    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1222    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1223    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1224    whether the bdev exists or not.""",
1225                   type=int)
1226    p.set_defaults(func=bdev_get_bdevs)
1227
1228    def bdev_get_iostat(args):
1229        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1230                                            name=args.name,
1231                                            per_channel=args.per_channel))
1232
1233    p = subparsers.add_parser('bdev_get_iostat',
1234                              help='Display current I/O statistics of all the blockdevs or specified blockdev.')
1235    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1236    p.add_argument('-c', '--per-channel', default=False, dest='per_channel', help='Display per channel IO stats for specified device',
1237                   action='store_true')
1238    p.set_defaults(func=bdev_get_iostat)
1239
1240    def bdev_reset_iostat(args):
1241        rpc.bdev.bdev_reset_iostat(args.client, name=args.name, mode=args.mode)
1242
1243    p = subparsers.add_parser('bdev_reset_iostat',
1244                              help='Reset I/O statistics of all the blockdevs or specified blockdev.')
1245    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1")
1246    p.add_argument('-m', '--mode', help="Mode to reset I/O statistics", choices=['all', 'maxmin'])
1247    p.set_defaults(func=bdev_reset_iostat)
1248
1249    def bdev_enable_histogram(args):
1250        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable, opc=args.opc)
1251
1252    p = subparsers.add_parser('bdev_enable_histogram',
1253                              help='Enable or disable histogram for specified bdev')
1254    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1255    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1256    p.add_argument('-o', '--opc', help='Enable histogram for specified io type. Defaults to all io types if not specified.'
1257                   ' Refer to bdev_get_bdevs RPC for the list of io types.')
1258    p.add_argument('name', help='bdev name')
1259    p.set_defaults(func=bdev_enable_histogram)
1260
1261    def bdev_get_histogram(args):
1262        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1263
1264    p = subparsers.add_parser('bdev_get_histogram',
1265                              help='Get histogram for specified bdev')
1266    p.add_argument('name', help='bdev name')
1267    p.set_defaults(func=bdev_get_histogram)
1268
1269    def bdev_set_qd_sampling_period(args):
1270        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1271                                             name=args.name,
1272                                             period=args.period)
1273
1274    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1275                              help="Enable or disable tracking of a bdev's queue depth.")
1276    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1277    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1278                   ' If set to 0, polling will be disabled.',
1279                   type=int)
1280    p.set_defaults(func=bdev_set_qd_sampling_period)
1281
1282    def bdev_set_qos_limit(args):
1283        rpc.bdev.bdev_set_qos_limit(args.client,
1284                                    name=args.name,
1285                                    rw_ios_per_sec=args.rw_ios_per_sec,
1286                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1287                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1288                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1289
1290    p = subparsers.add_parser('bdev_set_qos_limit',
1291                              help='Set QoS rate limit on a blockdev')
1292    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1293    p.add_argument('--rw-ios-per-sec',
1294                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1295                   type=int)
1296    p.add_argument('--rw-mbytes-per-sec',
1297                   help="R/W megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1298                   type=int)
1299    p.add_argument('--r-mbytes-per-sec',
1300                   help="Read megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1301                   type=int)
1302    p.add_argument('--w-mbytes-per-sec',
1303                   help="Write megabytes per second limit (>=1, example: 100). 0 means unlimited.",
1304                   type=int)
1305    p.set_defaults(func=bdev_set_qos_limit)
1306
1307    def bdev_error_inject_error(args):
1308        rpc.bdev.bdev_error_inject_error(args.client,
1309                                         name=args.name,
1310                                         io_type=args.io_type,
1311                                         error_type=args.error_type,
1312                                         num=args.num,
1313                                         queue_depth=args.queue_depth,
1314                                         corrupt_offset=args.corrupt_offset,
1315                                         corrupt_value=args.corrupt_value)
1316
1317    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1318    p.add_argument('name', help="""the name of the error injection bdev""")
1319    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1320    p.add_argument('error_type', help="""error_type: 'failure' 'pending' 'corrupt_data' 'nomem'""")
1321    p.add_argument(
1322        '-n', '--num', help='the number of commands you want to fail', type=int)
1323    p.add_argument(
1324        '-q', '--queue-depth', help='the queue depth at which to trigger the error', type=int)
1325    p.add_argument(
1326        '-o', '--corrupt-offset', help='the offset in bytes to xor with corrupt_value', type=int)
1327    p.add_argument(
1328        '-v', '--corrupt-value', help='the value for xor (1-255, 0 is invalid)', type=int)
1329    p.set_defaults(func=bdev_error_inject_error)
1330
1331    def bdev_nvme_apply_firmware(args):
1332        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1333                                                     bdev_name=args.bdev_name,
1334                                                     filename=args.filename))
1335
1336    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1337    p.add_argument('filename', help='filename of the firmware to download')
1338    p.add_argument('bdev_name', help='name of the NVMe device')
1339    p.set_defaults(func=bdev_nvme_apply_firmware)
1340
1341    def bdev_nvme_get_transport_statistics(args):
1342        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1343
1344    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1345                              help='Get bdev_nvme poll group transport statistics')
1346    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1347
1348    def bdev_nvme_get_controller_health_info(args):
1349        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1350                                                                 name=args.name))
1351
1352    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1353                              help='Display health log of the required NVMe bdev controller.')
1354    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1355    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1356
1357    # iSCSI
1358    def iscsi_set_options(args):
1359        rpc.iscsi.iscsi_set_options(
1360            args.client,
1361            auth_file=args.auth_file,
1362            node_base=args.node_base,
1363            nop_timeout=args.nop_timeout,
1364            nop_in_interval=args.nop_in_interval,
1365            disable_chap=args.disable_chap,
1366            require_chap=args.require_chap,
1367            mutual_chap=args.mutual_chap,
1368            chap_group=args.chap_group,
1369            max_sessions=args.max_sessions,
1370            max_queue_depth=args.max_queue_depth,
1371            max_connections_per_session=args.max_connections_per_session,
1372            default_time2wait=args.default_time2wait,
1373            default_time2retain=args.default_time2retain,
1374            first_burst_length=args.first_burst_length,
1375            immediate_data=args.immediate_data,
1376            error_recovery_level=args.error_recovery_level,
1377            allow_duplicated_isid=args.allow_duplicated_isid,
1378            max_large_datain_per_connection=args.max_large_datain_per_connection,
1379            max_r2t_per_connection=args.max_r2t_per_connection,
1380            pdu_pool_size=args.pdu_pool_size,
1381            immediate_data_pool_size=args.immediate_data_pool_size,
1382            data_out_pool_size=args.data_out_pool_size)
1383
1384    p = subparsers.add_parser('iscsi_set_options',
1385                              help="""Set options of iSCSI subsystem""")
1386    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1387    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1388    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1389    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
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.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1398    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1399    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1400    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1401    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1402    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1403    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1404    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1405    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1406    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1407    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1408    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1409    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1410    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1411    p.set_defaults(func=iscsi_set_options)
1412
1413    def iscsi_set_discovery_auth(args):
1414        rpc.iscsi.iscsi_set_discovery_auth(
1415            args.client,
1416            disable_chap=args.disable_chap,
1417            require_chap=args.require_chap,
1418            mutual_chap=args.mutual_chap,
1419            chap_group=args.chap_group)
1420
1421    p = subparsers.add_parser('iscsi_set_discovery_auth',
1422                              help="""Set CHAP authentication for discovery session.""")
1423    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1424    *** Mutually exclusive with --require-chap""", action='store_true')
1425    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1426    *** Mutually exclusive with --disable-chap""", action='store_true')
1427    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1428    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1429    *** Authentication group must be precreated ***""", type=int)
1430    p.set_defaults(func=iscsi_set_discovery_auth)
1431
1432    def iscsi_create_auth_group(args):
1433        secrets = None
1434        if args.secrets:
1435            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1436
1437        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1438
1439    p = subparsers.add_parser('iscsi_create_auth_group',
1440                              help='Create authentication group for CHAP authentication.')
1441    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1442    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1443<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1444Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""")
1445    p.set_defaults(func=iscsi_create_auth_group)
1446
1447    def iscsi_delete_auth_group(args):
1448        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1449
1450    p = subparsers.add_parser('iscsi_delete_auth_group',
1451                              help='Delete an authentication group.')
1452    p.add_argument('tag', help='Authentication group tag', type=int)
1453    p.set_defaults(func=iscsi_delete_auth_group)
1454
1455    def iscsi_auth_group_add_secret(args):
1456        rpc.iscsi.iscsi_auth_group_add_secret(
1457            args.client,
1458            tag=args.tag,
1459            user=args.user,
1460            secret=args.secret,
1461            muser=args.muser,
1462            msecret=args.msecret)
1463
1464    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1465                              help='Add a secret to an authentication group.')
1466    p.add_argument('tag', help='Authentication group tag', type=int)
1467    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1468    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1469    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1470    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1471    p.set_defaults(func=iscsi_auth_group_add_secret)
1472
1473    def iscsi_auth_group_remove_secret(args):
1474        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1475
1476    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1477                              help='Remove a secret from an authentication group.')
1478    p.add_argument('tag', help='Authentication group tag', type=int)
1479    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1480    p.set_defaults(func=iscsi_auth_group_remove_secret)
1481
1482    def iscsi_get_auth_groups(args):
1483        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1484
1485    p = subparsers.add_parser('iscsi_get_auth_groups',
1486                              help='Display current authentication group configuration')
1487    p.set_defaults(func=iscsi_get_auth_groups)
1488
1489    def iscsi_get_portal_groups(args):
1490        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1491
1492    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1493    p.set_defaults(func=iscsi_get_portal_groups)
1494
1495    def iscsi_get_initiator_groups(args):
1496        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1497
1498    p = subparsers.add_parser('iscsi_get_initiator_groups',
1499                              help='Display current initiator group configuration')
1500    p.set_defaults(func=iscsi_get_initiator_groups)
1501
1502    def iscsi_get_target_nodes(args):
1503        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1504
1505    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1506    p.set_defaults(func=iscsi_get_target_nodes)
1507
1508    def iscsi_enable_histogram(args):
1509        rpc.iscsi.iscsi_enable_histogram(args.client, name=args.name, enable=args.enable)
1510
1511    p = subparsers.add_parser('iscsi_enable_histogram',
1512                              help='Enable or disable histogram for specified iscsi target')
1513    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified iscsi target')
1514    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified iscsi target')
1515    p.add_argument('name', help='iscsi target name')
1516    p.set_defaults(func=iscsi_enable_histogram)
1517
1518    def iscsi_get_histogram(args):
1519        print_dict(rpc.iscsi.iscsi_get_histogram(args.client, name=args.name))
1520
1521    p = subparsers.add_parser('iscsi_get_histogram',
1522                              help='Get histogram for specified iscsi target')
1523    p.add_argument('name', help='target name')
1524    p.set_defaults(func=iscsi_get_histogram)
1525
1526    def iscsi_create_target_node(args):
1527        luns = []
1528        for u in args.bdev_name_id_pairs.strip().split(" "):
1529            bdev_name, lun_id = u.split(":")
1530            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1531
1532        pg_ig_maps = []
1533        for u in args.pg_ig_mappings.strip().split(" "):
1534            pg, ig = u.split(":")
1535            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1536
1537        rpc.iscsi.iscsi_create_target_node(
1538            args.client,
1539            luns=luns,
1540            pg_ig_maps=pg_ig_maps,
1541            name=args.name,
1542            alias_name=args.alias_name,
1543            queue_depth=args.queue_depth,
1544            chap_group=args.chap_group,
1545            disable_chap=args.disable_chap,
1546            require_chap=args.require_chap,
1547            mutual_chap=args.mutual_chap,
1548            header_digest=args.header_digest,
1549            data_digest=args.data_digest)
1550
1551    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1552    p.add_argument('name', help='Target node name (ASCII)')
1553    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1554    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1555    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1556    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1557    *** The bdevs must pre-exist ***
1558    *** LUN0 (id = 0) is required ***
1559    *** bdevs names cannot contain space or colon characters ***""")
1560    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1561    Whitespace separated, quoted, mapping defined with colon
1562    separated list of "tags" (int > 0)
1563    Example: '1:1 2:2 2:1'
1564    *** The Portal/Initiator Groups must be precreated ***""")
1565    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1566    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1567    *** Authentication group must be precreated ***""", type=int)
1568    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1569    *** Mutually exclusive with --require-chap ***""", action='store_true')
1570    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1571    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1572    p.add_argument(
1573        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1574    p.add_argument('-H', '--header-digest',
1575                   help='Header Digest should be required for this target node.', action='store_true')
1576    p.add_argument('-D', '--data-digest',
1577                   help='Data Digest should be required for this target node.', action='store_true')
1578    p.set_defaults(func=iscsi_create_target_node)
1579
1580    def iscsi_target_node_add_lun(args):
1581        rpc.iscsi.iscsi_target_node_add_lun(
1582            args.client,
1583            name=args.name,
1584            bdev_name=args.bdev_name,
1585            lun_id=args.lun_id)
1586
1587    p = subparsers.add_parser('iscsi_target_node_add_lun',
1588                              help='Add LUN to the target node')
1589    p.add_argument('name', help='Target node name (ASCII)')
1590    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1591    *** bdev name cannot contain space or colon characters ***""")
1592    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1593    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int)
1594    p.set_defaults(func=iscsi_target_node_add_lun)
1595
1596    def iscsi_target_node_set_auth(args):
1597        rpc.iscsi.iscsi_target_node_set_auth(
1598            args.client,
1599            name=args.name,
1600            chap_group=args.chap_group,
1601            disable_chap=args.disable_chap,
1602            require_chap=args.require_chap,
1603            mutual_chap=args.mutual_chap)
1604
1605    p = subparsers.add_parser('iscsi_target_node_set_auth',
1606                              help='Set CHAP authentication for the target node')
1607    p.add_argument('name', help='Target node name (ASCII)')
1608    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1609    *** Authentication group must be precreated ***""", type=int)
1610    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1611    *** Mutually exclusive with --require-chap ***""", action='store_true')
1612    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1613    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1614    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1615                   action='store_true')
1616    p.set_defaults(func=iscsi_target_node_set_auth)
1617
1618    def iscsi_target_node_add_pg_ig_maps(args):
1619        pg_ig_maps = []
1620        for u in args.pg_ig_mappings.strip().split(" "):
1621            pg, ig = u.split(":")
1622            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1623        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1624            args.client,
1625            pg_ig_maps=pg_ig_maps,
1626            name=args.name)
1627
1628    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1629                              help='Add PG-IG maps to the target node')
1630    p.add_argument('name', help='Target node name (ASCII)')
1631    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1632    Whitespace separated, quoted, mapping defined with colon
1633    separated list of "tags" (int > 0)
1634    Example: '1:1 2:2 2:1'
1635    *** The Portal/Initiator Groups must be precreated ***""")
1636    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1637
1638    def iscsi_target_node_remove_pg_ig_maps(args):
1639        pg_ig_maps = []
1640        for u in args.pg_ig_mappings.strip().split(" "):
1641            pg, ig = u.split(":")
1642            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1643        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1644            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1645
1646    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1647                              help='Delete PG-IG maps from the target node')
1648    p.add_argument('name', help='Target node name (ASCII)')
1649    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1650    Whitespace separated, quoted, mapping defined with colon
1651    separated list of "tags" (int > 0)
1652    Example: '1:1 2:2 2:1'
1653    *** The Portal/Initiator Groups must be precreated ***""")
1654    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1655
1656    def iscsi_target_node_set_redirect(args):
1657        rpc.iscsi.iscsi_target_node_set_redirect(
1658            args.client,
1659            name=args.name,
1660            pg_tag=args.pg_tag,
1661            redirect_host=args.redirect_host,
1662            redirect_port=args.redirect_port)
1663
1664    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1665                              help="""Update redirect portal of the public portal group for the target node.
1666    Omit redirect host and port to clear previously set redirect settings.""")
1667    p.add_argument('name', help='Target node name (ASCII)')
1668    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1669    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal')
1670    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal')
1671    p.set_defaults(func=iscsi_target_node_set_redirect)
1672
1673    def iscsi_target_node_request_logout(args):
1674        rpc.iscsi.iscsi_target_node_request_logout(
1675            args.client,
1676            name=args.name,
1677            pg_tag=args.pg_tag)
1678
1679    p = subparsers.add_parser('iscsi_target_node_request_logout',
1680                              help="""For the target node, request connections whose portal group tag
1681    match to logout, or request all connections if portal group tag is omitted.""")
1682    p.add_argument('name', help='Target node name (ASCII)')
1683    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int)
1684    p.set_defaults(func=iscsi_target_node_request_logout)
1685
1686    def iscsi_create_portal_group(args):
1687        portals = []
1688        for p in args.portal_list.strip().split(' '):
1689            ip, separator, port_cpumask = p.rpartition(':')
1690            split_port_cpumask = port_cpumask.split('@')
1691            if len(split_port_cpumask) == 1:
1692                port = port_cpumask
1693                portals.append({'host': ip, 'port': port})
1694            else:
1695                port = split_port_cpumask[0]
1696                cpumask = split_port_cpumask[1]
1697                portals.append({'host': ip, 'port': port})
1698                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1699        rpc.iscsi.iscsi_create_portal_group(
1700            args.client,
1701            portals=portals,
1702            tag=args.tag,
1703            private=args.private,
1704            wait=args.wait)
1705
1706    p = subparsers.add_parser('iscsi_create_portal_group',
1707                              help='Add a portal group')
1708    p.add_argument(
1709        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1710    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1711    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1712    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1713    Private portal groups do not have their portals returned by a discovery session. A public
1714    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1715    portal must be from a private portal group.""", action='store_true')
1716    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1717    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1718    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1719    p.set_defaults(func=iscsi_create_portal_group)
1720
1721    def iscsi_start_portal_group(args):
1722        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1723
1724    p = subparsers.add_parser('iscsi_start_portal_group',
1725                              help='Start listening on portals if it is not started yet.')
1726    p.add_argument(
1727        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1728    p.set_defaults(func=iscsi_start_portal_group)
1729
1730    def iscsi_create_initiator_group(args):
1731        initiators = []
1732        netmasks = []
1733        for i in args.initiator_list.strip().split(' '):
1734            initiators.append(i)
1735        for n in args.netmask_list.strip().split(' '):
1736            netmasks.append(n)
1737        rpc.iscsi.iscsi_create_initiator_group(
1738            args.client,
1739            tag=args.tag,
1740            initiators=initiators,
1741            netmasks=netmasks)
1742
1743    p = subparsers.add_parser('iscsi_create_initiator_group',
1744                              help='Add an initiator group')
1745    p.add_argument(
1746        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1747    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1748    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1749    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1750    Example: '255.255.0.0 255.248.0.0' etc""")
1751    p.set_defaults(func=iscsi_create_initiator_group)
1752
1753    def iscsi_initiator_group_add_initiators(args):
1754        initiators = None
1755        netmasks = None
1756        if args.initiator_list:
1757            initiators = []
1758            for i in args.initiator_list.strip().split(' '):
1759                initiators.append(i)
1760        if args.netmask_list:
1761            netmasks = []
1762            for n in args.netmask_list.strip().split(' '):
1763                netmasks.append(n)
1764        rpc.iscsi.iscsi_initiator_group_add_initiators(
1765            args.client,
1766            tag=args.tag,
1767            initiators=initiators,
1768            netmasks=netmasks)
1769
1770    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1771                              help='Add initiators to an existing initiator group')
1772    p.add_argument(
1773        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1774    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1775    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1776    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1777    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1778    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1779    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1780
1781    def iscsi_initiator_group_remove_initiators(args):
1782        initiators = None
1783        netmasks = None
1784        if args.initiator_list:
1785            initiators = []
1786            for i in args.initiator_list.strip().split(' '):
1787                initiators.append(i)
1788        if args.netmask_list:
1789            netmasks = []
1790            for n in args.netmask_list.strip().split(' '):
1791                netmasks.append(n)
1792        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1793            args.client,
1794            tag=args.tag,
1795            initiators=initiators,
1796            netmasks=netmasks)
1797
1798    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1799                              help='Delete initiators from an existing initiator group')
1800    p.add_argument(
1801        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1802    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1803    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1804    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1805    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1806    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""")
1807    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1808
1809    def iscsi_delete_target_node(args):
1810        rpc.iscsi.iscsi_delete_target_node(
1811            args.client, target_node_name=args.target_node_name)
1812
1813    p = subparsers.add_parser('iscsi_delete_target_node',
1814                              help='Delete a target node')
1815    p.add_argument('target_node_name',
1816                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1817    p.set_defaults(func=iscsi_delete_target_node)
1818
1819    def iscsi_delete_portal_group(args):
1820        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1821
1822    p = subparsers.add_parser('iscsi_delete_portal_group',
1823                              help='Delete a portal group')
1824    p.add_argument(
1825        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1826    p.set_defaults(func=iscsi_delete_portal_group)
1827
1828    def iscsi_delete_initiator_group(args):
1829        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1830
1831    p = subparsers.add_parser('iscsi_delete_initiator_group',
1832                              help='Delete an initiator group')
1833    p.add_argument(
1834        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1835    p.set_defaults(func=iscsi_delete_initiator_group)
1836
1837    def iscsi_portal_group_set_auth(args):
1838        rpc.iscsi.iscsi_portal_group_set_auth(
1839            args.client,
1840            tag=args.tag,
1841            chap_group=args.chap_group,
1842            disable_chap=args.disable_chap,
1843            require_chap=args.require_chap,
1844            mutual_chap=args.mutual_chap)
1845
1846    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1847                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1848    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1849    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1850    *** Authentication group must be precreated ***""", type=int)
1851    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1852    *** Mutually exclusive with --require-chap ***""", action='store_true')
1853    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1854    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1855    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1856                   action='store_true')
1857    p.set_defaults(func=iscsi_portal_group_set_auth)
1858
1859    def iscsi_get_connections(args):
1860        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1861
1862    p = subparsers.add_parser('iscsi_get_connections',
1863                              help='Display iSCSI connections')
1864    p.set_defaults(func=iscsi_get_connections)
1865
1866    def iscsi_get_stats(args):
1867        print_dict(rpc.iscsi.iscsi_get_stats(args.client))
1868
1869    p = subparsers.add_parser('iscsi_get_stats',
1870                              help='Display stat information of iSCSI connections.')
1871    p.set_defaults(func=iscsi_get_stats)
1872
1873    def iscsi_get_options(args):
1874        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1875
1876    p = subparsers.add_parser('iscsi_get_options',
1877                              help='Display iSCSI global parameters')
1878    p.set_defaults(func=iscsi_get_options)
1879
1880    def scsi_get_devices(args):
1881        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1882
1883    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1884    p.set_defaults(func=scsi_get_devices)
1885
1886    # trace
1887    def trace_enable_tpoint_group(args):
1888        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1889
1890    p = subparsers.add_parser('trace_enable_tpoint_group',
1891                              help='enable trace on a specific tpoint group')
1892    p.add_argument(
1893        'name', help="""trace group name we want to enable in tpoint_group_mask.
1894        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1895    p.set_defaults(func=trace_enable_tpoint_group)
1896
1897    def trace_disable_tpoint_group(args):
1898        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1899
1900    p = subparsers.add_parser('trace_disable_tpoint_group',
1901                              help='disable trace on a specific tpoint group')
1902    p.add_argument(
1903        'name', help="""trace group name we want to disable in tpoint_group_mask.
1904        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1905    p.set_defaults(func=trace_disable_tpoint_group)
1906
1907    def trace_set_tpoint_mask(args):
1908        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1909
1910    p = subparsers.add_parser('trace_set_tpoint_mask',
1911                              help='enable tracepoint mask on a specific tpoint group')
1912    p.add_argument(
1913        'name', help="""trace group name we want to enable in tpoint_group_mask.
1914        (for example "bdev" for bdev trace group)""")
1915    p.add_argument(
1916        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1917        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1918        type=lambda m: int(m, 16))
1919    p.set_defaults(func=trace_set_tpoint_mask)
1920
1921    def trace_clear_tpoint_mask(args):
1922        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1923
1924    p = subparsers.add_parser('trace_clear_tpoint_mask',
1925                              help='disable tracepoint mask on a specific tpoint group')
1926    p.add_argument(
1927        'name', help="""trace group name we want to disable in tpoint_group_mask.
1928        (for example "bdev" for bdev trace group)""")
1929    p.add_argument(
1930        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1931        (for example value of "0x3" will disable the first two tpoints in this group)""",
1932        type=lambda m: int(m, 16))
1933    p.set_defaults(func=trace_clear_tpoint_mask)
1934
1935    def trace_get_tpoint_group_mask(args):
1936        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1937
1938    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1939    p.set_defaults(func=trace_get_tpoint_group_mask)
1940
1941    def trace_get_info(args):
1942        print_dict(rpc.trace.trace_get_info(args.client))
1943
1944    p = subparsers.add_parser('trace_get_info',
1945                              help='get name of shared memory file and list of the available trace point groups')
1946    p.set_defaults(func=trace_get_info)
1947
1948    # log
1949    def log_set_flag(args):
1950        rpc.log.log_set_flag(args.client, flag=args.flag)
1951
1952    p = subparsers.add_parser('log_set_flag', help='set log flag')
1953    p.add_argument(
1954        'flag', help='log flag we want to set. (for example "nvme").')
1955    p.set_defaults(func=log_set_flag)
1956
1957    def log_clear_flag(args):
1958        rpc.log.log_clear_flag(args.client, flag=args.flag)
1959
1960    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1961    p.add_argument(
1962        'flag', help='log flag we want to clear. (for example "nvme").')
1963    p.set_defaults(func=log_clear_flag)
1964
1965    def log_get_flags(args):
1966        print_dict(rpc.log.log_get_flags(args.client))
1967
1968    p = subparsers.add_parser('log_get_flags', help='get log flags')
1969    p.set_defaults(func=log_get_flags)
1970
1971    def log_set_level(args):
1972        rpc.log.log_set_level(args.client, level=args.level)
1973
1974    p = subparsers.add_parser('log_set_level', help='set log level')
1975    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1976    p.set_defaults(func=log_set_level)
1977
1978    def log_get_level(args):
1979        print_dict(rpc.log.log_get_level(args.client))
1980
1981    p = subparsers.add_parser('log_get_level', help='get log level')
1982    p.set_defaults(func=log_get_level)
1983
1984    def log_set_print_level(args):
1985        rpc.log.log_set_print_level(args.client, level=args.level)
1986
1987    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1988    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1989    p.set_defaults(func=log_set_print_level)
1990
1991    def log_get_print_level(args):
1992        print_dict(rpc.log.log_get_print_level(args.client))
1993
1994    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1995    p.set_defaults(func=log_get_print_level)
1996
1997    # lvol
1998    def bdev_lvol_create_lvstore(args):
1999        # The default unmap clear method may take over 60.0 sec.
2000        if args.timeout is None:
2001            args.client.timeout = 90.0
2002        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
2003                                                     bdev_name=args.bdev_name,
2004                                                     lvs_name=args.lvs_name,
2005                                                     cluster_sz=args.cluster_sz,
2006                                                     clear_method=args.clear_method,
2007                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
2008
2009    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
2010    p.add_argument('bdev_name', help='base bdev name')
2011    p.add_argument('lvs_name', help='name for lvol store')
2012    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int)
2013    p.add_argument('--clear-method', help="""Change clear method for data region.
2014        Available: none, unmap, write_zeroes""")
2015    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int)
2016    p.set_defaults(func=bdev_lvol_create_lvstore)
2017
2018    def bdev_lvol_rename_lvstore(args):
2019        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
2020                                          old_name=args.old_name,
2021                                          new_name=args.new_name)
2022
2023    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
2024    p.add_argument('old_name', help='old name')
2025    p.add_argument('new_name', help='new name')
2026    p.set_defaults(func=bdev_lvol_rename_lvstore)
2027
2028    def bdev_lvol_grow_lvstore(args):
2029        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
2030                                                   uuid=args.uuid,
2031                                                   lvs_name=args.lvs_name))
2032
2033    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
2034                              help='Grow the lvstore size to the underlying bdev size')
2035    p.add_argument('-u', '--uuid', help='lvol store UUID')
2036    p.add_argument('-l', '--lvs-name', help='lvol store name')
2037    p.set_defaults(func=bdev_lvol_grow_lvstore)
2038
2039    def bdev_lvol_create(args):
2040        print_json(rpc.lvol.bdev_lvol_create(args.client,
2041                                             lvol_name=args.lvol_name,
2042                                             size_in_mib=args.size_in_mib,
2043                                             thin_provision=args.thin_provision,
2044                                             clear_method=args.clear_method,
2045                                             uuid=args.uuid,
2046                                             lvs_name=args.lvs_name))
2047
2048    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
2049    p.add_argument('-u', '--uuid', help='lvol store UUID')
2050    p.add_argument('-l', '--lvs-name', help='lvol store name')
2051    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
2052    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
2053        Available: none, unmap, write_zeroes""")
2054    p.add_argument('lvol_name', help='name for this lvol')
2055    p.add_argument('size_in_mib', help='size in MiB for this bdev', type=int)
2056    p.set_defaults(func=bdev_lvol_create)
2057
2058    def bdev_lvol_snapshot(args):
2059        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
2060                                               lvol_name=args.lvol_name,
2061                                               snapshot_name=args.snapshot_name))
2062
2063    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
2064    p.add_argument('lvol_name', help='lvol bdev name')
2065    p.add_argument('snapshot_name', help='lvol snapshot name')
2066    p.set_defaults(func=bdev_lvol_snapshot)
2067
2068    def bdev_lvol_clone(args):
2069        print_json(rpc.lvol.bdev_lvol_clone(args.client,
2070                                            snapshot_name=args.snapshot_name,
2071                                            clone_name=args.clone_name))
2072
2073    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
2074    p.add_argument('snapshot_name', help='lvol snapshot name')
2075    p.add_argument('clone_name', help='lvol clone name')
2076    p.set_defaults(func=bdev_lvol_clone)
2077
2078    def bdev_lvol_clone_bdev(args):
2079        print_json(rpc.lvol.bdev_lvol_clone_bdev(args.client,
2080                                                 bdev=args.bdev,
2081                                                 lvs_name=args.lvs_name,
2082                                                 clone_name=args.clone_name))
2083
2084    p = subparsers.add_parser('bdev_lvol_clone_bdev',
2085                              help='Create a clone of a non-lvol bdev')
2086    p.add_argument('bdev', help='bdev to clone')
2087    p.add_argument('lvs_name', help='logical volume store name')
2088    p.add_argument('clone_name', help='lvol clone name')
2089    p.set_defaults(func=bdev_lvol_clone_bdev)
2090
2091    def bdev_lvol_rename(args):
2092        rpc.lvol.bdev_lvol_rename(args.client,
2093                                  old_name=args.old_name,
2094                                  new_name=args.new_name)
2095
2096    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
2097    p.add_argument('old_name', help='lvol bdev name')
2098    p.add_argument('new_name', help='new lvol name')
2099    p.set_defaults(func=bdev_lvol_rename)
2100
2101    def bdev_lvol_inflate(args):
2102        rpc.lvol.bdev_lvol_inflate(args.client,
2103                                   name=args.name)
2104
2105    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
2106    p.add_argument('name', help='lvol bdev name')
2107    p.set_defaults(func=bdev_lvol_inflate)
2108
2109    def bdev_lvol_decouple_parent(args):
2110        rpc.lvol.bdev_lvol_decouple_parent(args.client,
2111                                           name=args.name)
2112
2113    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
2114    p.add_argument('name', help='lvol bdev name')
2115    p.set_defaults(func=bdev_lvol_decouple_parent)
2116
2117    def bdev_lvol_resize(args):
2118        rpc.lvol.bdev_lvol_resize(args.client,
2119                                  name=args.name,
2120                                  size_in_mib=args.size_in_mib)
2121
2122    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
2123    p.add_argument('name', help='lvol bdev name')
2124    p.add_argument('size_in_mib', help='new size in MiB for this bdev', type=int)
2125    p.set_defaults(func=bdev_lvol_resize)
2126
2127    def bdev_lvol_set_read_only(args):
2128        rpc.lvol.bdev_lvol_set_read_only(args.client,
2129                                         name=args.name)
2130
2131    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
2132    p.add_argument('name', help='lvol bdev name')
2133    p.set_defaults(func=bdev_lvol_set_read_only)
2134
2135    def bdev_lvol_delete(args):
2136        rpc.lvol.bdev_lvol_delete(args.client,
2137                                  name=args.name)
2138
2139    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
2140    p.add_argument('name', help='lvol bdev name')
2141    p.set_defaults(func=bdev_lvol_delete)
2142
2143    def bdev_lvol_start_shallow_copy(args):
2144        print_json(rpc.lvol.bdev_lvol_start_shallow_copy(args.client,
2145                                                         src_lvol_name=args.src_lvol_name,
2146                                                         dst_bdev_name=args.dst_bdev_name))
2147
2148    p = subparsers.add_parser('bdev_lvol_start_shallow_copy',
2149                              help="""Start a shallow copy of an lvol over a given bdev.  The status of the operation
2150    can be obtained with bdev_lvol_check_shallow_copy""")
2151    p.add_argument('src_lvol_name', help='source lvol name')
2152    p.add_argument('dst_bdev_name', help='destination bdev name')
2153    p.set_defaults(func=bdev_lvol_start_shallow_copy)
2154
2155    def bdev_lvol_check_shallow_copy(args):
2156        print_json(rpc.lvol.bdev_lvol_check_shallow_copy(args.client,
2157                                                         operation_id=args.operation_id))
2158
2159    p = subparsers.add_parser('bdev_lvol_check_shallow_copy', help='Get shallow copy status')
2160    p.add_argument('operation_id', help='operation identifier', type=int)
2161    p.set_defaults(func=bdev_lvol_check_shallow_copy)
2162
2163    def bdev_lvol_set_parent(args):
2164        rpc.lvol.bdev_lvol_set_parent(args.client,
2165                                      lvol_name=args.lvol_name,
2166                                      snapshot_name=args.snapshot_name)
2167
2168    p = subparsers.add_parser('bdev_lvol_set_parent', help='Set the parent snapshot of a lvol')
2169    p.add_argument('lvol_name', help='lvol name')
2170    p.add_argument('snapshot_name', help='snapshot name')
2171    p.set_defaults(func=bdev_lvol_set_parent)
2172
2173    def bdev_lvol_set_parent_bdev(args):
2174        rpc.lvol.bdev_lvol_set_parent_bdev(args.client,
2175                                           lvol_name=args.lvol_name,
2176                                           esnap_name=args.esnap_name)
2177
2178    p = subparsers.add_parser('bdev_lvol_set_parent_bdev', help='Set the parent external snapshot of a lvol')
2179    p.add_argument('lvol_name', help='lvol name')
2180    p.add_argument('esnap_name', help='external snapshot name')
2181    p.set_defaults(func=bdev_lvol_set_parent_bdev)
2182
2183    def bdev_lvol_delete_lvstore(args):
2184        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
2185                                          uuid=args.uuid,
2186                                          lvs_name=args.lvs_name)
2187
2188    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
2189    p.add_argument('-u', '--uuid', help='lvol store UUID')
2190    p.add_argument('-l', '--lvs-name', help='lvol store name')
2191    p.set_defaults(func=bdev_lvol_delete_lvstore)
2192
2193    def bdev_lvol_get_lvstores(args):
2194        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
2195                                                   uuid=args.uuid,
2196                                                   lvs_name=args.lvs_name))
2197
2198    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
2199    p.add_argument('-u', '--uuid', help='lvol store UUID')
2200    p.add_argument('-l', '--lvs-name', help='lvol store name')
2201    p.set_defaults(func=bdev_lvol_get_lvstores)
2202
2203    def bdev_lvol_get_lvols(args):
2204        print_dict(rpc.lvol.bdev_lvol_get_lvols(args.client,
2205                                                lvs_uuid=args.lvs_uuid,
2206                                                lvs_name=args.lvs_name))
2207
2208    p = subparsers.add_parser('bdev_lvol_get_lvols', help='Display current logical volume list')
2209    p.add_argument('-u', '--lvs-uuid', help='only lvols in  lvol store UUID')
2210    p.add_argument('-l', '--lvs-name', help='only lvols in lvol store name')
2211    p.set_defaults(func=bdev_lvol_get_lvols)
2212
2213    def bdev_raid_set_options(args):
2214        rpc.bdev.bdev_raid_set_options(args.client,
2215                                       process_window_size_kb=args.process_window_size_kb)
2216
2217    p = subparsers.add_parser('bdev_raid_set_options',
2218                              help='Set options for bdev raid.')
2219    p.add_argument('-w', '--process-window-size-kb', type=int,
2220                   help="Background process (e.g. rebuild) window size in KiB")
2221
2222    p.set_defaults(func=bdev_raid_set_options)
2223
2224    def bdev_raid_get_bdevs(args):
2225        print_json(rpc.bdev.bdev_raid_get_bdevs(args.client,
2226                                                category=args.category))
2227
2228    p = subparsers.add_parser('bdev_raid_get_bdevs',
2229                              help="""This is used to list all the raid bdev details based on the input category
2230    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
2231    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
2232    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
2233    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
2234    p.add_argument('category', help='all or online or configuring or offline')
2235    p.set_defaults(func=bdev_raid_get_bdevs)
2236
2237    def bdev_raid_create(args):
2238        base_bdevs = []
2239        for u in args.base_bdevs.strip().split():
2240            base_bdevs.append(u)
2241
2242        rpc.bdev.bdev_raid_create(args.client,
2243                                  name=args.name,
2244                                  strip_size_kb=args.strip_size_kb,
2245                                  raid_level=args.raid_level,
2246                                  base_bdevs=base_bdevs,
2247                                  uuid=args.uuid,
2248                                  superblock=args.superblock)
2249    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
2250    p.add_argument('-n', '--name', help='raid bdev name', required=True)
2251    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
2252    p.add_argument('-r', '--raid-level', help='raid level, raid0, raid1 and a special level concat are supported', required=True)
2253    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
2254    p.add_argument('--uuid', help='UUID for this raid bdev')
2255    p.add_argument('-s', '--superblock', help='information about raid bdev will be stored in superblock on each base bdev, '
2256                                              'disabled by default due to backward compatibility', action='store_true')
2257    p.set_defaults(func=bdev_raid_create)
2258
2259    def bdev_raid_delete(args):
2260        rpc.bdev.bdev_raid_delete(args.client,
2261                                  name=args.name)
2262    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
2263    p.add_argument('name', help='raid bdev name')
2264    p.set_defaults(func=bdev_raid_delete)
2265
2266    def bdev_raid_add_base_bdev(args):
2267        rpc.bdev.bdev_raid_add_base_bdev(args.client,
2268                                         raid_bdev=args.raid_bdev,
2269                                         base_bdev=args.base_bdev)
2270    p = subparsers.add_parser('bdev_raid_add_base_bdev', help='Add base bdev to existing raid bdev')
2271    p.add_argument('raid_bdev', help='raid bdev name')
2272    p.add_argument('base_bdev', help='base bdev name')
2273    p.set_defaults(func=bdev_raid_add_base_bdev)
2274
2275    def bdev_raid_remove_base_bdev(args):
2276        rpc.bdev.bdev_raid_remove_base_bdev(args.client,
2277                                            name=args.name)
2278    p = subparsers.add_parser('bdev_raid_remove_base_bdev', help='Remove base bdev from existing raid bdev')
2279    p.add_argument('name', help='base bdev name')
2280    p.set_defaults(func=bdev_raid_remove_base_bdev)
2281
2282    # split
2283    def bdev_split_create(args):
2284        print_array(rpc.bdev.bdev_split_create(args.client,
2285                                               base_bdev=args.base_bdev,
2286                                               split_count=args.split_count,
2287                                               split_size_mb=args.split_size_mb))
2288
2289    p = subparsers.add_parser('bdev_split_create',
2290                              help="""Add given disk name to split config. If bdev with base_name
2291    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
2292    available (during examination process).""")
2293    p.add_argument('base_bdev', help='base bdev name')
2294    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
2295    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
2296    exceed the base bdev size.""", type=int)
2297    p.set_defaults(func=bdev_split_create)
2298
2299    def bdev_split_delete(args):
2300        rpc.bdev.bdev_split_delete(args.client,
2301                                   base_bdev=args.base_bdev)
2302
2303    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2304    p.add_argument('base_bdev', help='base bdev name')
2305    p.set_defaults(func=bdev_split_delete)
2306
2307    # ftl
2308    def bdev_ftl_create(args):
2309        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2310                                            name=args.name,
2311                                            base_bdev=args.base_bdev,
2312                                            uuid=args.uuid,
2313                                            cache=args.cache,
2314                                            overprovisioning=args.overprovisioning,
2315                                            l2p_dram_limit=args.l2p_dram_limit,
2316                                            core_mask=args.core_mask,
2317                                            fast_shutdown=args.fast_shutdown))
2318
2319    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2320    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2321    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2322                   required=True)
2323    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2324                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2325    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2326                   required=True)
2327    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2328                   ' to user (optional); default 20', type=int)
2329    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2330                   type=int)
2331    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2332                   'by default core thread will be set to the main application core (optional)')
2333    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2334    p.set_defaults(func=bdev_ftl_create)
2335
2336    def bdev_ftl_load(args):
2337        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2338                                          name=args.name,
2339                                          base_bdev=args.base_bdev,
2340                                          uuid=args.uuid,
2341                                          cache=args.cache,
2342                                          overprovisioning=args.overprovisioning,
2343                                          l2p_dram_limit=args.l2p_dram_limit,
2344                                          core_mask=args.core_mask,
2345                                          fast_shutdown=args.fast_shutdown))
2346
2347    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2348    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2349    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2350                   required=True)
2351    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2352    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2353                   required=True)
2354    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2355                   ' to user (optional); default 20', type=int)
2356    p.add_argument('--l2p-dram-limit', help='l2p size that could reside in DRAM (optional); default 2048',
2357                   type=int)
2358    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2359                   'by default core thread will be set to the main application core (optional)')
2360    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2361    p.set_defaults(func=bdev_ftl_load)
2362
2363    def bdev_ftl_unload(args):
2364        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2365
2366    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2367    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2368    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2369    p.set_defaults(func=bdev_ftl_unload)
2370
2371    def bdev_ftl_delete(args):
2372        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2373
2374    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2375    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2376    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2377    p.set_defaults(func=bdev_ftl_delete)
2378
2379    def bdev_ftl_unmap(args):
2380        print_dict(rpc.bdev.bdev_ftl_unmap(args.client, name=args.name,
2381                                           lba=args.lba,
2382                                           num_blocks=args.num_blocks))
2383
2384    p = subparsers.add_parser('bdev_ftl_unmap', help='FTL unmap')
2385    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2386    p.add_argument('--lba', help='start LBA', required=True, type=int)
2387    p.add_argument('--num-blocks', help='num blocks', required=True, type=int)
2388    p.set_defaults(func=bdev_ftl_unmap)
2389
2390    def bdev_ftl_get_stats(args):
2391        print_dict(rpc.bdev.bdev_ftl_get_stats(args.client, name=args.name))
2392
2393    p = subparsers.add_parser('bdev_ftl_get_stats', help='print ftl stats')
2394    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2395    p.set_defaults(func=bdev_ftl_get_stats)
2396
2397    def bdev_ftl_get_properties(args):
2398        print_dict(rpc.bdev.bdev_ftl_get_properties(args.client, name=args.name))
2399
2400    p = subparsers.add_parser('bdev_ftl_get_properties', help='Print FTL properties')
2401    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2402    p.set_defaults(func=bdev_ftl_get_properties)
2403
2404    def bdev_ftl_set_property(args):
2405        print_dict(rpc.bdev.bdev_ftl_set_property(args.client, name=args.name,
2406                   ftl_property=args.property,
2407                   value=args.value))
2408
2409    p = subparsers.add_parser('bdev_ftl_set_property', help='Set FTL property')
2410    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2411    p.add_argument('-p', '--property', help="Name of the property to be set", required=True)
2412    p.add_argument('-v', '--value', help="Value of the property", required=True)
2413    p.set_defaults(func=bdev_ftl_set_property)
2414
2415    # vmd
2416    def vmd_enable(args):
2417        print_dict(rpc.vmd.vmd_enable(args.client))
2418
2419    p = subparsers.add_parser('vmd_enable', aliases=['enable_vmd'], help='Enable VMD enumeration')
2420    p.set_defaults(func=vmd_enable)
2421
2422    def vmd_remove_device(args):
2423        print_dict(rpc.vmd.vmd_remove_device(args.client, addr=args.addr))
2424
2425    p = subparsers.add_parser('vmd_remove_device', help='Remove a device behind VMD')
2426    p.add_argument('addr', help='Address of the device to remove', type=str)
2427    p.set_defaults(func=vmd_remove_device)
2428
2429    def vmd_rescan(args):
2430        print_dict(rpc.vmd.vmd_rescan(args.client))
2431
2432    p = subparsers.add_parser('vmd_rescan', help='Force a rescan of the devices behind VMD')
2433    p.set_defaults(func=vmd_rescan)
2434
2435    # ublk
2436    def ublk_create_target(args):
2437        rpc.ublk.ublk_create_target(args.client,
2438                                    cpumask=args.cpumask,
2439                                    disable_user_copy=args.disable_user_copy)
2440    p = subparsers.add_parser('ublk_create_target',
2441                              help='Create spdk ublk target for ublk dev')
2442    p.add_argument('-m', '--cpumask', help='cpu mask for ublk dev')
2443    p.add_argument('--disable-user-copy', help='Disable user copy feature', action='store_true')
2444    p.set_defaults(func=ublk_create_target)
2445
2446    def ublk_destroy_target(args):
2447        rpc.ublk.ublk_destroy_target(args.client)
2448    p = subparsers.add_parser('ublk_destroy_target',
2449                              help='Destroy spdk ublk target for ublk dev')
2450    p.set_defaults(func=ublk_destroy_target)
2451
2452    def ublk_start_disk(args):
2453        print(rpc.ublk.ublk_start_disk(args.client,
2454                                       bdev_name=args.bdev_name,
2455                                       ublk_id=args.ublk_id,
2456                                       num_queues=args.num_queues,
2457                                       queue_depth=args.queue_depth))
2458
2459    p = subparsers.add_parser('ublk_start_disk',
2460                              help='Export a bdev as a ublk device')
2461    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2462    p.add_argument('ublk_id', help='ublk device id to be assigned. Example: 1.', type=int)
2463    p.add_argument('-q', '--num-queues', help="the total number of queues. Example: 1", type=int)
2464    p.add_argument('-d', '--queue-depth', help="queue depth. Example: 128", type=int)
2465    p.set_defaults(func=ublk_start_disk)
2466
2467    def ublk_stop_disk(args):
2468        rpc.ublk.ublk_stop_disk(args.client,
2469                                ublk_id=args.ublk_id)
2470
2471    p = subparsers.add_parser('ublk_stop_disk',
2472                              help='Stop a ublk device')
2473    p.add_argument('ublk_id', help='ublk device id to be deleted. Example: 1.', type=int)
2474    p.set_defaults(func=ublk_stop_disk)
2475
2476    def ublk_recover_disk(args):
2477        print(rpc.ublk.ublk_recover_disk(args.client,
2478                                         bdev_name=args.bdev_name,
2479                                         ublk_id=args.ublk_id))
2480
2481    p = subparsers.add_parser('ublk_recover_disk',
2482                              help='Recover ublk device')
2483    p.add_argument('bdev_name', help='Blockdev name to be recovered. Example: Malloc0.')
2484    p.add_argument('ublk_id', help='ublk device id to be recovered. Example: 1.', type=int)
2485    p.set_defaults(func=ublk_recover_disk)
2486
2487    def ublk_get_disks(args):
2488        print_dict(rpc.ublk.ublk_get_disks(args.client,
2489                                           ublk_id=args.ublk_id))
2490
2491    p = subparsers.add_parser('ublk_get_disks',
2492                              help='Display full or specified ublk device list')
2493    p.add_argument('-n', '--ublk-id', help="ublk device id. Example: 1", type=int)
2494    p.set_defaults(func=ublk_get_disks)
2495
2496    # nbd
2497    def nbd_start_disk(args):
2498        print(rpc.nbd.nbd_start_disk(args.client,
2499                                     bdev_name=args.bdev_name,
2500                                     nbd_device=args.nbd_device))
2501
2502    p = subparsers.add_parser('nbd_start_disk',
2503                              help='Export a bdev as an nbd disk')
2504    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2505    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2506    p.set_defaults(func=nbd_start_disk)
2507
2508    def nbd_stop_disk(args):
2509        rpc.nbd.nbd_stop_disk(args.client,
2510                              nbd_device=args.nbd_device)
2511
2512    p = subparsers.add_parser('nbd_stop_disk',
2513                              help='Stop an nbd disk')
2514    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2515    p.set_defaults(func=nbd_stop_disk)
2516
2517    def nbd_get_disks(args):
2518        print_dict(rpc.nbd.nbd_get_disks(args.client,
2519                                         nbd_device=args.nbd_device))
2520
2521    p = subparsers.add_parser('nbd_get_disks',
2522                              help='Display full or specified nbd device list')
2523    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0")
2524    p.set_defaults(func=nbd_get_disks)
2525
2526    # NVMe-oF
2527    def nvmf_set_max_subsystems(args):
2528        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2529                                         max_subsystems=args.max_subsystems)
2530
2531    p = subparsers.add_parser('nvmf_set_max_subsystems',
2532                              help='Set the maximum number of NVMf target subsystems')
2533    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2534    p.set_defaults(func=nvmf_set_max_subsystems)
2535
2536    def nvmf_set_config(args):
2537        rpc.nvmf.nvmf_set_config(args.client,
2538                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2539                                 poll_groups_mask=args.poll_groups_mask,
2540                                 discovery_filter=args.discovery_filter,
2541                                 dhchap_digests=args.dhchap_digests,
2542                                 dhchap_dhgroups=args.dhchap_dhgroups)
2543
2544    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2545    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2546    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2547    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2548    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2549         comma separated values: `transport`, `address`, `svcid`""", type=str)
2550    p.add_argument('--dhchap-digests', help='Comma-separated list of allowed DH-HMAC-CHAP digests',
2551                   type=lambda d: d.split(','))
2552    p.add_argument('--dhchap-dhgroups', help='Comma-separated list of allowed DH-HMAC-CHAP DH groups',
2553                   type=lambda d: d.split(','))
2554    p.set_defaults(func=nvmf_set_config)
2555
2556    def nvmf_create_transport(args):
2557        rpc.nvmf.nvmf_create_transport(**vars(args))
2558
2559    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2560    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2561    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2562    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2563    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2564    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2565    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2566    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2567    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2568    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2569    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2570    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2571    underlying bdev supports them''')
2572    p.add_argument('-d', '--num-cqe', help="""The number of CQ entries. Only used when no_srq=true.
2573    Relevant only for RDMA transport""", type=int)
2574    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2575    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2576    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2577    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2578    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2579    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2580    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2581    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2582    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2583    Relevant only for TCP transport""", type=int)
2584    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2585    Relevant only for VFIO-USER transport""")
2586    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2587    Relevant only for VFIO-USER transport""")
2588    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2589    Relevant only for VFIO-USER transport""")
2590    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2591    p.add_argument('--ack-timeout', help='ACK timeout in milliseconds', type=int)
2592    p.add_argument('--data-wr-pool-size', help='RDMA data WR pool size. Relevant only for RDMA transport', type=int)
2593    p.add_argument('--disable-command-passthru', help='Disallow command passthru', action='store_true')
2594    p.set_defaults(func=nvmf_create_transport)
2595
2596    def nvmf_get_transports(args):
2597        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2598
2599    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2600    p.add_argument('--trtype', help='Transport type (optional)')
2601    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2602    p.set_defaults(func=nvmf_get_transports)
2603
2604    def nvmf_get_subsystems(args):
2605        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2606
2607    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2608    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2609    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2610    p.set_defaults(func=nvmf_get_subsystems)
2611
2612    def nvmf_create_subsystem(args):
2613        rpc.nvmf.nvmf_create_subsystem(args.client,
2614                                       nqn=args.nqn,
2615                                       tgt_name=args.tgt_name,
2616                                       serial_number=args.serial_number,
2617                                       model_number=args.model_number,
2618                                       allow_any_host=args.allow_any_host,
2619                                       max_namespaces=args.max_namespaces,
2620                                       ana_reporting=args.ana_reporting,
2621                                       min_cntlid=args.min_cntlid,
2622                                       max_cntlid=args.max_cntlid,
2623                                       max_discard_size_kib=args.max_discard_size,
2624                                       max_write_zeroes_size_kib=args.max_write_zeroes_size)
2625
2626    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2627    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2628    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2629    p.add_argument("-s", "--serial-number", help="""
2630    Format:  'sn' etc
2631    Example: 'SPDK00000000000001'""")
2632    p.add_argument("-d", "--model-number", help="""
2633    Format:  'mn' etc
2634    Example: 'SPDK Controller'""")
2635    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2636    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2637                   type=int)
2638    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2639    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2640    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2641    p.add_argument("--max-discard-size", help="Maximum discard size (Kib)", type=int)
2642    p.add_argument("--max-write-zeroes-size", help="Maximum write_zeroes size (Kib)", type=int)
2643    p.set_defaults(func=nvmf_create_subsystem)
2644
2645    def nvmf_delete_subsystem(args):
2646        rpc.nvmf.nvmf_delete_subsystem(args.client,
2647                                       nqn=args.subsystem_nqn,
2648                                       tgt_name=args.tgt_name)
2649
2650    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2651    p.add_argument('subsystem_nqn',
2652                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2653    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2654    p.set_defaults(func=nvmf_delete_subsystem)
2655
2656    def nvmf_subsystem_add_listener(args):
2657        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2658
2659    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2660    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2661    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2662    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2663    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2664    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2665    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2666    p.add_argument('-k', '--secure-channel', help='Immediately establish a secure channel', action="store_true")
2667    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', type=str)
2668    p.add_argument('-S', '--sock-impl', help='The socket implementation to use for the listener (ex. posix)', type=str)
2669    p.set_defaults(func=nvmf_subsystem_add_listener)
2670
2671    def nvmf_subsystem_remove_listener(args):
2672        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2673                                                nqn=args.nqn,
2674                                                trtype=args.trtype,
2675                                                traddr=args.traddr,
2676                                                tgt_name=args.tgt_name,
2677                                                adrfam=args.adrfam,
2678                                                trsvcid=args.trsvcid)
2679
2680    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2681    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2682    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2683    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2684    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2685    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2686    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2687    p.set_defaults(func=nvmf_subsystem_remove_listener)
2688
2689    def nvmf_subsystem_listener_set_ana_state(args):
2690        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2691                                                       nqn=args.nqn,
2692                                                       ana_state=args.ana_state,
2693                                                       trtype=args.trtype,
2694                                                       traddr=args.traddr,
2695                                                       tgt_name=args.tgt_name,
2696                                                       adrfam=args.adrfam,
2697                                                       trsvcid=args.trsvcid,
2698                                                       anagrpid=args.anagrpid)
2699
2700    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2701    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2702    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2703    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2704    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2705    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2706    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2707    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2708    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2709    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2710
2711    def nvmf_discovery_add_referral(args):
2712        rpc.nvmf.nvmf_discovery_add_referral(**vars(args))
2713
2714    p = subparsers.add_parser('nvmf_discovery_add_referral', help='Add a discovery service referral to an NVMe-oF target')
2715    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2716    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2717    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2718    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2719    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2720    p.add_argument('-k', '--secure-channel', help='The connection to that discovery subsystem requires a secure channel',
2721                   action="store_true")
2722    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2723    p.set_defaults(func=nvmf_discovery_add_referral)
2724
2725    def nvmf_discovery_remove_referral(args):
2726        rpc.nvmf.nvmf_discovery_remove_referral(args.client,
2727                                                trtype=args.trtype,
2728                                                traddr=args.traddr,
2729                                                tgt_name=args.tgt_name,
2730                                                adrfam=args.adrfam,
2731                                                trsvcid=args.trsvcid,
2732                                                subnqn=args.subnqn)
2733
2734    p = subparsers.add_parser('nvmf_discovery_remove_referral', help='Remove a discovery service referral from an NVMe-oF target')
2735    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2736    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2737    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2738    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2739    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2740    p.add_argument('-n', '--subnqn', help='Subsystem NQN')
2741    p.set_defaults(func=nvmf_discovery_remove_referral)
2742
2743    def nvmf_discovery_get_referrals(args):
2744        print_dict(rpc.nvmf.nvmf_discovery_get_referrals(args.client,
2745                                                         tgt_name=args.tgt_name))
2746
2747    p = subparsers.add_parser('nvmf_discovery_get_referrals',
2748                              help='Display discovery subsystem referrals of an NVMe-oF target')
2749    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2750    p.set_defaults(func=nvmf_discovery_get_referrals)
2751
2752    def nvmf_subsystem_add_ns(args):
2753        rpc.nvmf.nvmf_subsystem_add_ns(**vars(args))
2754
2755    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2756    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2757    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2758    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2759    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2760    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2761    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2762    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2763    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2764    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2765    p.add_argument('-i', '--no-auto-visible', action='store_true',
2766                   help='Do not auto make namespace visible to controllers (optional)')
2767    p.set_defaults(func=nvmf_subsystem_add_ns)
2768
2769    def nvmf_subsystem_remove_ns(args):
2770        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2771                                          nqn=args.nqn,
2772                                          nsid=args.nsid,
2773                                          tgt_name=args.tgt_name)
2774
2775    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2776    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2777    p.add_argument('nsid', help='The requested NSID', type=int)
2778    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2779    p.set_defaults(func=nvmf_subsystem_remove_ns)
2780
2781    def nvmf_ns_add_host(args):
2782        rpc.nvmf.nvmf_ns_visible(True,
2783                                 args.client,
2784                                 nqn=args.nqn,
2785                                 nsid=args.nsid,
2786                                 host=args.host,
2787                                 tgt_name=args.tgt_name)
2788
2789    def nvmf_ns_visible_add_args(p):
2790        p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2791        p.add_argument('nsid', help='The requested NSID', type=int)
2792        p.add_argument('host', help='Host NQN to make namespace visible to')
2793        p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2794
2795    p = subparsers.add_parser('nvmf_ns_add_host', help='Make namespace visible to controllers of host')
2796    nvmf_ns_visible_add_args(p)
2797    p.set_defaults(func=nvmf_ns_add_host)
2798
2799    def nvmf_ns_remove_host(args):
2800        rpc.nvmf.nvmf_ns_visible(False,
2801                                 args.client,
2802                                 nqn=args.nqn,
2803                                 nsid=args.nsid,
2804                                 host=args.host,
2805                                 tgt_name=args.tgt_name)
2806
2807    p = subparsers.add_parser('nvmf_ns_remove_host', help='Make namespace not visible to controlelrs of host')
2808    nvmf_ns_visible_add_args(p)
2809    p.set_defaults(func=nvmf_ns_remove_host)
2810
2811    def nvmf_subsystem_add_host(args):
2812        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2813                                         nqn=args.nqn,
2814                                         host=args.host,
2815                                         tgt_name=args.tgt_name,
2816                                         psk=args.psk,
2817                                         dhchap_key=args.dhchap_key,
2818                                         dhchap_ctrlr_key=args.dhchap_ctrlr_key)
2819
2820    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2821    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2822    p.add_argument('host', help='Host NQN to allow')
2823    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2824    p.add_argument('--psk', help='Path to PSK file for TLS authentication (optional). Only applicable for TCP transport.', type=str)
2825    p.add_argument('--dhchap-key', help='DH-HMAC-CHAP key name (optional)')
2826    p.add_argument('--dhchap-ctrlr-key', help='DH-HMAC-CHAP controller key name (optional)')
2827    p.set_defaults(func=nvmf_subsystem_add_host)
2828
2829    def nvmf_subsystem_remove_host(args):
2830        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2831                                            nqn=args.nqn,
2832                                            host=args.host,
2833                                            tgt_name=args.tgt_name)
2834
2835    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2836    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2837    p.add_argument('host', help='Host NQN to remove')
2838    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2839    p.set_defaults(func=nvmf_subsystem_remove_host)
2840
2841    def nvmf_subsystem_allow_any_host(args):
2842        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2843                                               nqn=args.nqn,
2844                                               disable=args.disable,
2845                                               tgt_name=args.tgt_name)
2846
2847    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2848    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2849    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2850    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2851    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2852    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2853
2854    def nvmf_subsystem_get_controllers(args):
2855        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2856                                                           nqn=args.nqn,
2857                                                           tgt_name=args.tgt_name))
2858
2859    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2860                              help='Display controllers of an NVMe-oF subsystem.')
2861    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2862    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2863    p.set_defaults(func=nvmf_subsystem_get_controllers)
2864
2865    def nvmf_subsystem_get_qpairs(args):
2866        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2867                                                      nqn=args.nqn,
2868                                                      tgt_name=args.tgt_name))
2869
2870    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2871                              help='Display queue pairs of an NVMe-oF subsystem.')
2872    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2873    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2874    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2875
2876    def nvmf_subsystem_get_listeners(args):
2877        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2878                                                         nqn=args.nqn,
2879                                                         tgt_name=args.tgt_name))
2880
2881    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2882                              help='Display listeners of an NVMe-oF subsystem.')
2883    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2884    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2885    p.set_defaults(func=nvmf_subsystem_get_listeners)
2886
2887    def nvmf_get_stats(args):
2888        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2889
2890    p = subparsers.add_parser(
2891        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2892    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2893    p.set_defaults(func=nvmf_get_stats)
2894
2895    def nvmf_set_crdt(args):
2896        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2897
2898    p = subparsers.add_parser(
2899        'nvmf_set_crdt',
2900        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2901        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2902    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2903    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2904    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2905    p.set_defaults(func=nvmf_set_crdt)
2906
2907    def nvmf_publish_mdns_prr(args):
2908        rpc.nvmf.nvmf_publish_mdns_prr(args.client, args.tgt_name)
2909
2910    p = subparsers.add_parser('nvmf_publish_mdns_prr',
2911                              help='Publish pull registration request through mdns')
2912    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2913    p.set_defaults(func=nvmf_publish_mdns_prr)
2914
2915    def nvmf_stop_mdns_prr(args):
2916        rpc.nvmf.nvmf_stop_mdns_prr(args.client, args.tgt_name)
2917
2918    p = subparsers.add_parser('nvmf_stop_mdns_prr',
2919                              help='Stop publishing pull registration request through mdns')
2920    p.add_argument('-t', '--tgt-name', help='The name of the NVMe-oF target (optional)', type=str)
2921    p.set_defaults(func=nvmf_stop_mdns_prr)
2922
2923    # subsystem
2924    def framework_get_subsystems(args):
2925        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2926
2927    p = subparsers.add_parser('framework_get_subsystems',
2928                              help="""Print subsystems array in initialization order. Each subsystem
2929    entry contain (unsorted) array of subsystems it depends on.""")
2930    p.set_defaults(func=framework_get_subsystems)
2931
2932    def framework_get_config(args):
2933        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2934
2935    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2936    p.add_argument('name', help='Name of subsystem to query')
2937    p.set_defaults(func=framework_get_config)
2938
2939    # vhost
2940    def vhost_controller_set_coalescing(args):
2941        rpc.vhost.vhost_controller_set_coalescing(args.client,
2942                                                  ctrlr=args.ctrlr,
2943                                                  delay_base_us=args.delay_base_us,
2944                                                  iops_threshold=args.iops_threshold)
2945
2946    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2947    p.add_argument('ctrlr', help='controller name')
2948    p.add_argument('delay_base_us', help='Base delay time', type=int)
2949    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2950    p.set_defaults(func=vhost_controller_set_coalescing)
2951
2952    def virtio_blk_create_transport(args):
2953        rpc.vhost.virtio_blk_create_transport(**vars(args))
2954
2955    p = subparsers.add_parser('virtio_blk_create_transport',
2956                              help='Create virtio blk transport')
2957    p.add_argument('name', help='transport name')
2958    p.set_defaults(func=virtio_blk_create_transport)
2959
2960    def virtio_blk_get_transports(args):
2961        print_dict(rpc.vhost.virtio_blk_get_transports(args.client, name=args.name))
2962
2963    p = subparsers.add_parser('virtio_blk_get_transports', help='Display virtio-blk transports or requested transport')
2964    p.add_argument('--name', help='Transport name (optional)', type=str)
2965    p.set_defaults(func=virtio_blk_get_transports)
2966
2967    def vhost_create_scsi_controller(args):
2968        rpc.vhost.vhost_create_scsi_controller(args.client,
2969                                               ctrlr=args.ctrlr,
2970                                               cpumask=args.cpumask,
2971                                               delay=args.delay)
2972
2973    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2974    p.add_argument('ctrlr', help='controller name')
2975    p.add_argument('--cpumask', help='cpu mask for this controller')
2976    p.add_argument("--delay", action='store_true', help='whether delay starting controller or not')
2977    p.set_defaults(func=vhost_create_scsi_controller)
2978
2979    def vhost_start_scsi_controller(args):
2980        rpc.vhost.vhost_start_scsi_controller(args.client,
2981                                              ctrlr=args.ctrlr)
2982
2983    p = subparsers.add_parser('vhost_start_scsi_controller', help='Start vhost scsi controller')
2984    p.add_argument('ctrlr', help='controller name')
2985    p.set_defaults(func=vhost_start_scsi_controller)
2986
2987    def vhost_scsi_controller_add_target(args):
2988        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2989                                                              ctrlr=args.ctrlr,
2990                                                              scsi_target_num=args.scsi_target_num,
2991                                                              bdev_name=args.bdev_name))
2992
2993    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2994    p.add_argument('ctrlr', help='controller name where add lun')
2995    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2996    p.add_argument('bdev_name', help='bdev name')
2997    p.set_defaults(func=vhost_scsi_controller_add_target)
2998
2999    def vhost_scsi_controller_remove_target(args):
3000        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
3001                                                      ctrlr=args.ctrlr,
3002                                                      scsi_target_num=args.scsi_target_num)
3003
3004    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
3005                              help='Remove target from vhost controller')
3006    p.add_argument('ctrlr', help='controller name to remove target from')
3007    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
3008    p.set_defaults(func=vhost_scsi_controller_remove_target)
3009
3010    def vhost_create_blk_controller(args):
3011        rpc.vhost.vhost_create_blk_controller(**vars(args))
3012
3013    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
3014    p.add_argument('ctrlr', help='controller name')
3015    p.add_argument('dev_name', help='device name')
3016    p.add_argument('--cpumask', help='cpu mask for this controller')
3017    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
3018    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
3019    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
3020    p.set_defaults(func=vhost_create_blk_controller)
3021
3022    def vhost_get_controllers(args):
3023        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
3024
3025    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
3026    p.add_argument('-n', '--name', help="Name of vhost controller")
3027    p.set_defaults(func=vhost_get_controllers)
3028
3029    def vhost_delete_controller(args):
3030        rpc.vhost.vhost_delete_controller(args.client,
3031                                          ctrlr=args.ctrlr)
3032
3033    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
3034    p.add_argument('ctrlr', help='controller name')
3035    p.set_defaults(func=vhost_delete_controller)
3036
3037    def bdev_virtio_attach_controller(args):
3038        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
3039                                                            name=args.name,
3040                                                            trtype=args.trtype,
3041                                                            traddr=args.traddr,
3042                                                            dev_type=args.dev_type,
3043                                                            vq_count=args.vq_count,
3044                                                            vq_size=args.vq_size))
3045
3046    p = subparsers.add_parser('bdev_virtio_attach_controller',
3047                              help="""Attach virtio controller using provided
3048    transport type and device type. This will also create bdevs for any block devices connected to the
3049    controller (for example, SCSI devices for a virtio-scsi controller).
3050    Result is array of added bdevs.""")
3051    p.add_argument('name', help="Use this name as base for new created bdevs")
3052    p.add_argument('-t', '--trtype',
3053                   help='Virtio target transport type: pci or user', required=True)
3054    p.add_argument('-a', '--traddr',
3055                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
3056    p.add_argument('-d', '--dev-type',
3057                   help='Device type: blk or scsi', required=True)
3058    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
3059    p.add_argument('--vq-size', help='Size of each queue', type=int)
3060    p.set_defaults(func=bdev_virtio_attach_controller)
3061
3062    def bdev_virtio_scsi_get_devices(args):
3063        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
3064
3065    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
3066    p.set_defaults(func=bdev_virtio_scsi_get_devices)
3067
3068    def bdev_virtio_detach_controller(args):
3069        rpc.vhost.bdev_virtio_detach_controller(args.client,
3070                                                name=args.name)
3071
3072    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
3073    This will delete all bdevs exposed by this device""")
3074    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
3075    p.set_defaults(func=bdev_virtio_detach_controller)
3076
3077    def bdev_virtio_blk_set_hotplug(args):
3078        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
3079
3080    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
3081    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
3082    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
3083    p.add_argument('-r', '--period-us',
3084                   help='How often the hotplug is processed for insert and remove events', type=int)
3085    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
3086
3087    # vfio-user target
3088    def vfu_tgt_set_base_path(args):
3089        rpc.vfio_user.vfu_tgt_set_base_path(args.client, path=args.path)
3090
3091    p = subparsers.add_parser('vfu_tgt_set_base_path', help='Set socket base path.')
3092    p.add_argument('path', help='socket base path')
3093    p.set_defaults(func=vfu_tgt_set_base_path)
3094
3095    def vfu_virtio_delete_endpoint(args):
3096        rpc.vfio_user.vfu_virtio_delete_endpoint(args.client, name=args.name)
3097
3098    p = subparsers.add_parser('vfu_virtio_delete_endpoint', help='Delete the PCI device via endpoint name.')
3099    p.add_argument('name', help='Endpoint name')
3100    p.set_defaults(func=vfu_virtio_delete_endpoint)
3101
3102    def vfu_virtio_create_blk_endpoint(args):
3103        rpc.vfio_user.vfu_virtio_create_blk_endpoint(args.client,
3104                                                     name=args.name,
3105                                                     bdev_name=args.bdev_name,
3106                                                     cpumask=args.cpumask,
3107                                                     num_queues=args.num_queues,
3108                                                     qsize=args.qsize,
3109                                                     packed_ring=args.packed_ring)
3110
3111    p = subparsers.add_parser('vfu_virtio_create_blk_endpoint', help='Create virtio-blk endpoint.')
3112    p.add_argument('name', help='Name of the endpoint')
3113    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3114    p.add_argument('--cpumask', help='CPU masks')
3115    p.add_argument('--num-queues', help='number of vrings', type=int, default=0)
3116    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3117    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3118    p.set_defaults(func=vfu_virtio_create_blk_endpoint)
3119
3120    def vfu_virtio_scsi_add_target(args):
3121        rpc.vfio_user.vfu_virtio_scsi_add_target(args.client,
3122                                                 name=args.name,
3123                                                 scsi_target_num=args.scsi_target_num,
3124                                                 bdev_name=args.bdev_name)
3125
3126    p = subparsers.add_parser('vfu_virtio_scsi_add_target', help='Attach a block device to SCSI target of PCI endpoint.')
3127    p.add_argument('name', help='Name of the endpoint')
3128    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3129    p.add_argument('--bdev-name', help='block device name', type=str, required=True)
3130    p.set_defaults(func=vfu_virtio_scsi_add_target)
3131
3132    def vfu_virtio_scsi_remove_target(args):
3133        rpc.vfio_user.vfu_virtio_scsi_remove_target(args.client,
3134                                                    name=args.name,
3135                                                    scsi_target_num=args.scsi_target_num)
3136
3137    p = subparsers.add_parser('vfu_virtio_scsi_remove_target', help='Remove the specified SCSI target of PCI endpoint.')
3138    p.add_argument('name', help='Name of the endpoint')
3139    p.add_argument('--scsi-target-num', help='number of SCSI Target', type=int, required=True)
3140    p.set_defaults(func=vfu_virtio_scsi_remove_target)
3141
3142    def vfu_virtio_create_scsi_endpoint(args):
3143        rpc.vfio_user.vfu_virtio_create_scsi_endpoint(args.client,
3144                                                      name=args.name,
3145                                                      cpumask=args.cpumask,
3146                                                      num_io_queues=args.num_io_queues,
3147                                                      qsize=args.qsize,
3148                                                      packed_ring=args.packed_ring)
3149
3150    p = subparsers.add_parser('vfu_virtio_create_scsi_endpoint', help='Create virtio-scsi endpoint.')
3151    p.add_argument('name', help='Name of the endpoint')
3152    p.add_argument('--cpumask', help='CPU masks')
3153    p.add_argument('--num-io-queues', help='number of IO vrings', type=int, default=0)
3154    p.add_argument('--qsize', help='number of element for each vring', type=int, default=0)
3155    p.add_argument("--packed-ring", action='store_true', help='Enable packed ring')
3156    p.set_defaults(func=vfu_virtio_create_scsi_endpoint)
3157
3158    # accel_fw
3159    def accel_get_opc_assignments(args):
3160        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
3161
3162    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to module assignments.')
3163    p.set_defaults(func=accel_get_opc_assignments)
3164
3165    def accel_get_module_info(args):
3166        print_dict(rpc.accel.accel_get_module_info(args.client))
3167
3168    p = subparsers.add_parser('accel_get_module_info', aliases=['accel_get_engine_info'],
3169                              help='Get list of valid module names and their operations.')
3170    p.set_defaults(func=accel_get_module_info)
3171
3172    def accel_assign_opc(args):
3173        rpc.accel.accel_assign_opc(args.client, opname=args.opname, module=args.module)
3174
3175    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to a module.')
3176    p.add_argument('-o', '--opname', help='opname')
3177    p.add_argument('-m', '--module', help='name of module')
3178    p.set_defaults(func=accel_assign_opc)
3179
3180    def accel_crypto_key_create(args):
3181        print_dict(rpc.accel.accel_crypto_key_create(args.client,
3182                                                     cipher=args.cipher,
3183                                                     key=args.key,
3184                                                     key2=args.key2,
3185                                                     tweak_mode=args.tweak_mode,
3186                                                     name=args.name))
3187
3188    p = subparsers.add_parser('accel_crypto_key_create', help='Create encryption key')
3189    p.add_argument('-c', '--cipher', help='cipher', required=True)
3190    p.add_argument('-k', '--key', help='key', required=True)
3191    p.add_argument('-e', '--key2', help='key2', default=None)
3192    p.add_argument('-t', '--tweak-mode', help='tweak mode', default=None)
3193    p.add_argument('-n', '--name', help='key name', required=True)
3194    p.set_defaults(func=accel_crypto_key_create)
3195
3196    def accel_crypto_key_destroy(args):
3197        print_dict(rpc.accel.accel_crypto_key_destroy(args.client,
3198                                                      key_name=args.name))
3199
3200    p = subparsers.add_parser('accel_crypto_key_destroy', help='Destroy encryption key')
3201    p.add_argument('-n', '--name', help='key name', required=True, type=str)
3202    p.set_defaults(func=accel_crypto_key_destroy)
3203
3204    def accel_crypto_keys_get(args):
3205        print_dict(rpc.accel.accel_crypto_keys_get(args.client,
3206                                                   key_name=args.key_name))
3207
3208    p = subparsers.add_parser('accel_crypto_keys_get', help='Get a list of the crypto keys')
3209    p.add_argument('-k', '--key-name', help='Get information about a specific key', type=str)
3210    p.set_defaults(func=accel_crypto_keys_get)
3211
3212    def accel_set_driver(args):
3213        rpc.accel.accel_set_driver(args.client, name=args.name)
3214
3215    p = subparsers.add_parser('accel_set_driver', help='Select accel platform driver to execute ' +
3216                              'operation chains')
3217    p.add_argument('name', help='name of the platform driver')
3218    p.set_defaults(func=accel_set_driver)
3219
3220    def accel_set_options(args):
3221        rpc.accel.accel_set_options(args.client, args.small_cache_size, args.large_cache_size,
3222                                    args.task_count, args.sequence_count, args.buf_count)
3223
3224    p = subparsers.add_parser('accel_set_options', help='Set accel framework\'s options')
3225    p.add_argument('--small-cache-size', type=int, help='Size of the small iobuf cache')
3226    p.add_argument('--large-cache-size', type=int, help='Size of the large iobuf cache')
3227    p.add_argument('--task-count', type=int, help='Maximum number of tasks per IO channel')
3228    p.add_argument('--sequence-count', type=int, help='Maximum number of sequences per IO channel')
3229    p.add_argument('--buf-count', type=int, help='Maximum number of buffers per IO channel')
3230    p.set_defaults(func=accel_set_options)
3231
3232    def accel_get_stats(args):
3233        print_dict(rpc.accel.accel_get_stats(args.client))
3234
3235    p = subparsers.add_parser('accel_get_stats', help='Display accel framework\'s statistics')
3236    p.set_defaults(func=accel_get_stats)
3237
3238    # ioat
3239    def ioat_scan_accel_module(args):
3240        rpc.ioat.ioat_scan_accel_module(args.client)
3241
3242    p = subparsers.add_parser('ioat_scan_accel_module', aliases=['ioat_scan_accel_engine'],
3243                              help='Enable IOAT accel module offload.')
3244    p.set_defaults(func=ioat_scan_accel_module)
3245
3246    # dpdk compressdev
3247    def compressdev_scan_accel_module(args):
3248        rpc.compressdev.compressdev_scan_accel_module(args.client, pmd=args.pmd)
3249
3250    p = subparsers.add_parser('compressdev_scan_accel_module', help='Scan and enable compressdev module and set pmd option.')
3251    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = mlx5_pci only')
3252    p.set_defaults(func=compressdev_scan_accel_module)
3253
3254    # dsa
3255    def dsa_scan_accel_module(args):
3256        rpc.dsa.dsa_scan_accel_module(args.client, config_kernel_mode=args.config_kernel_mode)
3257
3258    p = subparsers.add_parser('dsa_scan_accel_module', aliases=['dsa_scan_accel_engine'],
3259                              help='Set config and enable dsa accel module offload.')
3260    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
3261                   action='store_true', dest='config_kernel_mode')
3262    p.set_defaults(func=dsa_scan_accel_module, config_kernel_mode=None)
3263
3264    # iaa
3265    def iaa_scan_accel_module(args):
3266        rpc.iaa.iaa_scan_accel_module(args.client)
3267
3268    p = subparsers.add_parser('iaa_scan_accel_module', aliases=['iaa_scan_accel_engine'],
3269                              help='Set config and enable iaa accel module offload.')
3270    p.set_defaults(func=iaa_scan_accel_module)
3271
3272    def dpdk_cryptodev_scan_accel_module(args):
3273        rpc.dpdk_cryptodev.dpdk_cryptodev_scan_accel_module(args.client)
3274
3275    p = subparsers.add_parser('dpdk_cryptodev_scan_accel_module',
3276                              help='Enable dpdk_cryptodev accel module offload.')
3277    p.set_defaults(func=dpdk_cryptodev_scan_accel_module)
3278
3279    def dpdk_cryptodev_set_driver(args):
3280        rpc.dpdk_cryptodev.dpdk_cryptodev_set_driver(args.client,
3281                                                     driver_name=args.driver_name)
3282
3283    p = subparsers.add_parser('dpdk_cryptodev_set_driver',
3284                              help='Set the DPDK cryptodev driver.')
3285    p.add_argument('-d', '--driver-name', help='The driver, can be one of crypto_aesni_mb, crypto_qat or mlx5_pci', type=str)
3286    p.set_defaults(func=dpdk_cryptodev_set_driver)
3287
3288    def dpdk_cryptodev_get_driver(args):
3289        print_dict(rpc.dpdk_cryptodev.dpdk_cryptodev_get_driver(args.client))
3290
3291    p = subparsers.add_parser('dpdk_cryptodev_get_driver', help='Get the DPDK cryptodev driver')
3292    p.set_defaults(func=dpdk_cryptodev_get_driver)
3293
3294    # mlx5
3295    def mlx5_scan_accel_module(args):
3296        rpc.mlx5.mlx5_scan_accel_module(args.client,
3297                                        qp_size=args.qp_size,
3298                                        num_requests=args.num_requests,
3299                                        allowed_devs=args.allowed_devs)
3300
3301    p = subparsers.add_parser('mlx5_scan_accel_module', help='Enable mlx5 accel module.')
3302    p.add_argument('-q', '--qp-size', type=int, help='QP size')
3303    p.add_argument('-r', '--num-requests', type=int, help='Size of the shared requests pool')
3304    p.add_argument('-d', '--allowed-devs', help="Comma separated list of allowed device names, e.g. mlx5_0,mlx5_1")
3305    p.set_defaults(func=mlx5_scan_accel_module)
3306
3307    # accel_error
3308    def accel_error_inject_error(args):
3309        rpc.accel.accel_error_inject_error(args.client, opcode=args.opcode,
3310                                           type=args.type, count=args.count,
3311                                           interval=args.interval, errcode=args.errcode)
3312
3313    p = subparsers.add_parser('accel_error_inject_error',
3314                              help='Inject an error to processing accel operation')
3315    p.add_argument('-o', '--opcode', help='Opcode')
3316    p.add_argument('-t', '--type',
3317                   help='Error type ("corrupt": corrupt the data, "failure": fail the operation, "disable": disable error injection)')
3318    p.add_argument('-c', '--count', type=int,
3319                   help='Number of errors to inject on each IO channel (0 to disable error injection)')
3320    p.add_argument('-i', '--interval', type=int, help='Interval between injections')
3321    p.add_argument('--errcode', type=int, help='Error code to inject (only relevant for type=failure)')
3322    p.set_defaults(func=accel_error_inject_error)
3323
3324    # opal
3325    def bdev_nvme_opal_init(args):
3326        rpc.nvme.bdev_nvme_opal_init(args.client,
3327                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
3328                                     password=args.password)
3329
3330    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
3331    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3332    p.add_argument('-p', '--password', help='password for admin')
3333    p.set_defaults(func=bdev_nvme_opal_init)
3334
3335    def bdev_nvme_opal_revert(args):
3336        rpc.nvme.bdev_nvme_opal_revert(args.client,
3337                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
3338                                       password=args.password)
3339    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
3340    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
3341    p.add_argument('-p', '--password', help='password')
3342    p.set_defaults(func=bdev_nvme_opal_revert)
3343
3344    def bdev_opal_create(args):
3345        print_json(rpc.bdev.bdev_opal_create(args.client,
3346                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
3347                                             nsid=args.nsid,
3348                                             locking_range_id=args.locking_range_id,
3349                                             range_start=args.range_start,
3350                                             range_length=args.range_length,
3351                                             password=args.password))
3352
3353    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
3354    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
3355    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
3356    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
3357    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
3358    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
3359    p.add_argument('-p', '--password', help='admin password', required=True)
3360    p.set_defaults(func=bdev_opal_create)
3361
3362    def bdev_opal_get_info(args):
3363        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
3364                                               bdev_name=args.bdev_name,
3365                                               password=args.password))
3366
3367    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
3368    p.add_argument('-b', '--bdev-name', help='opal bdev')
3369    p.add_argument('-p', '--password', help='password')
3370    p.set_defaults(func=bdev_opal_get_info)
3371
3372    def bdev_opal_delete(args):
3373        rpc.bdev.bdev_opal_delete(args.client,
3374                                  bdev_name=args.bdev_name,
3375                                  password=args.password)
3376
3377    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
3378    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
3379    p.add_argument('-p', '--password', help='admin password', required=True)
3380    p.set_defaults(func=bdev_opal_delete)
3381
3382    def bdev_opal_new_user(args):
3383        rpc.bdev.bdev_opal_new_user(args.client,
3384                                    bdev_name=args.bdev_name,
3385                                    admin_password=args.admin_password,
3386                                    user_id=args.user_id,
3387                                    user_password=args.user_password)
3388
3389    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
3390    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3391    p.add_argument('-p', '--admin-password', help='admin password', required=True)
3392    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
3393    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
3394    p.set_defaults(func=bdev_opal_new_user)
3395
3396    def bdev_opal_set_lock_state(args):
3397        rpc.bdev.bdev_opal_set_lock_state(args.client,
3398                                          bdev_name=args.bdev_name,
3399                                          user_id=args.user_id,
3400                                          password=args.password,
3401                                          lock_state=args.lock_state)
3402
3403    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
3404    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
3405    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',
3406                   type=int, required=True)
3407    p.add_argument('-p', '--password', help='password of this user', required=True)
3408    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
3409    p.set_defaults(func=bdev_opal_set_lock_state)
3410
3411    # bdev_nvme_send_cmd
3412    def bdev_nvme_send_cmd(args):
3413        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
3414                                               name=args.nvme_name,
3415                                               cmd_type=args.cmd_type,
3416                                               data_direction=args.data_direction,
3417                                               cmdbuf=args.cmdbuf,
3418                                               data=args.data,
3419                                               metadata=args.metadata,
3420                                               data_len=args.data_length,
3421                                               metadata_len=args.metadata_length,
3422                                               timeout_ms=args.timeout_ms))
3423
3424    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
3425    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
3426    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
3427    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
3428    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
3429    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
3430    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
3431    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
3432    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
3433    p.add_argument('-T', '--timeout-ms',
3434                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
3435    p.set_defaults(func=bdev_nvme_send_cmd)
3436
3437    # Notifications
3438    def notify_get_types(args):
3439        print_dict(rpc.notify.notify_get_types(args.client))
3440
3441    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
3442    p.set_defaults(func=notify_get_types)
3443
3444    def notify_get_notifications(args):
3445        ret = rpc.notify.notify_get_notifications(args.client,
3446                                                  id=args.id,
3447                                                  max=args.max)
3448        print_dict(ret)
3449
3450    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
3451    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
3452    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
3453    p.set_defaults(func=notify_get_notifications)
3454
3455    def thread_get_stats(args):
3456        print_dict(rpc.app.thread_get_stats(args.client))
3457
3458    p = subparsers.add_parser(
3459        'thread_get_stats', help='Display current statistics of all the threads')
3460    p.set_defaults(func=thread_get_stats)
3461
3462    def thread_set_cpumask(args):
3463        ret = rpc.app.thread_set_cpumask(args.client,
3464                                         id=args.id,
3465                                         cpumask=args.cpumask)
3466    p = subparsers.add_parser('thread_set_cpumask',
3467                              help="""set the cpumask of the thread whose ID matches to the
3468    specified value. The thread may be migrated to one of the specified CPUs.""")
3469    p.add_argument('-i', '--id', type=int, help='thread ID')
3470    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
3471    p.set_defaults(func=thread_set_cpumask)
3472
3473    def log_enable_timestamps(args):
3474        ret = rpc.app.log_enable_timestamps(args.client,
3475                                            enabled=args.enabled)
3476    p = subparsers.add_parser('log_enable_timestamps',
3477                              help='Enable or disable timestamps.')
3478    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
3479    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
3480    p.set_defaults(func=log_enable_timestamps)
3481
3482    def thread_get_pollers(args):
3483        print_dict(rpc.app.thread_get_pollers(args.client))
3484
3485    p = subparsers.add_parser(
3486        'thread_get_pollers', help='Display current pollers of all the threads')
3487    p.set_defaults(func=thread_get_pollers)
3488
3489    def thread_get_io_channels(args):
3490        print_dict(rpc.app.thread_get_io_channels(args.client))
3491
3492    p = subparsers.add_parser(
3493        'thread_get_io_channels', help='Display current IO channels of all the threads')
3494    p.set_defaults(func=thread_get_io_channels)
3495
3496    def env_dpdk_get_mem_stats(args):
3497        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
3498
3499    p = subparsers.add_parser(
3500        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
3501    p.set_defaults(func=env_dpdk_get_mem_stats)
3502
3503    # blobfs
3504    def blobfs_detect(args):
3505        print(rpc.blobfs.blobfs_detect(args.client,
3506                                       bdev_name=args.bdev_name))
3507
3508    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
3509    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
3510    p.set_defaults(func=blobfs_detect)
3511
3512    def blobfs_create(args):
3513        print(rpc.blobfs.blobfs_create(args.client,
3514                                       bdev_name=args.bdev_name,
3515                                       cluster_sz=args.cluster_sz))
3516
3517    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
3518    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
3519    p.add_argument('-c', '--cluster-sz',
3520                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
3521    p.set_defaults(func=blobfs_create)
3522
3523    def blobfs_mount(args):
3524        print(rpc.blobfs.blobfs_mount(args.client,
3525                                      bdev_name=args.bdev_name,
3526                                      mountpoint=args.mountpoint))
3527
3528    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
3529    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
3530    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
3531    p.set_defaults(func=blobfs_mount)
3532
3533    def blobfs_set_cache_size(args):
3534        print(rpc.blobfs.blobfs_set_cache_size(args.client,
3535                                               size_in_mb=args.size_in_mb))
3536
3537    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
3538    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
3539    p.set_defaults(func=blobfs_set_cache_size)
3540
3541    # sock
3542    def sock_impl_get_options(args):
3543        print_json(rpc.sock.sock_impl_get_options(args.client,
3544                                                  impl_name=args.impl))
3545
3546    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
3547    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3548    p.set_defaults(func=sock_impl_get_options)
3549
3550    def sock_impl_set_options(args):
3551        rpc.sock.sock_impl_set_options(args.client,
3552                                       impl_name=args.impl,
3553                                       recv_buf_size=args.recv_buf_size,
3554                                       send_buf_size=args.send_buf_size,
3555                                       enable_recv_pipe=args.enable_recv_pipe,
3556                                       enable_quickack=args.enable_quickack,
3557                                       enable_placement_id=args.enable_placement_id,
3558                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
3559                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
3560                                       zerocopy_threshold=args.zerocopy_threshold,
3561                                       tls_version=args.tls_version,
3562                                       enable_ktls=args.enable_ktls)
3563
3564    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
3565    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3566    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
3567    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
3568    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
3569    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
3570                   action='store_true', dest='enable_recv_pipe')
3571    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
3572                   action='store_false', dest='enable_recv_pipe')
3573    p.add_argument('--enable-quickack', help='Enable quick ACK',
3574                   action='store_true', dest='enable_quickack')
3575    p.add_argument('--disable-quickack', help='Disable quick ACK',
3576                   action='store_false', dest='enable_quickack')
3577    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
3578                   action='store_true', dest='enable_zerocopy_send_server')
3579    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
3580                   action='store_false', dest='enable_zerocopy_send_server')
3581    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
3582                   action='store_true', dest='enable_zerocopy_send_client')
3583    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
3584                   action='store_false', dest='enable_zerocopy_send_client')
3585    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
3586    p.add_argument('--tls-version', help='TLS protocol version', type=int)
3587    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
3588                   action='store_true', dest='enable_ktls')
3589    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
3590                   action='store_false', dest='enable_ktls')
3591    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
3592                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
3593                   zerocopy_threshold=None, tls_version=None, enable_ktls=None)
3594
3595    def sock_set_default_impl(args):
3596        print_json(rpc.sock.sock_set_default_impl(args.client,
3597                                                  impl_name=args.impl))
3598
3599    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
3600    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
3601    p.set_defaults(func=sock_set_default_impl)
3602
3603    def sock_get_default_impl(args):
3604        print_json(rpc.sock.sock_get_default_impl(args.client))
3605
3606    p = subparsers.add_parser('sock_get_default_impl', help="Get the default sock implementation name")
3607    p.set_defaults(func=sock_get_default_impl)
3608
3609    def framework_get_pci_devices(args):
3610        def splitbuf(buf, step):
3611            return [buf[i:i+step] for i in range(0, len(buf), step)]
3612
3613        devices = rpc.subsystem.framework_get_pci_devices(args.client)
3614        if not args.format_lspci:
3615            print_json(devices)
3616        else:
3617            for devid, dev in enumerate(devices):
3618                print('{} device #{}'.format(dev['address'], devid))
3619                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
3620                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
3621                print()
3622
3623    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
3624    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
3625                   action='store_true')
3626    p.set_defaults(func=framework_get_pci_devices)
3627
3628    # bdev_nvme_add_error_injection
3629    def bdev_nvme_add_error_injection(args):
3630        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
3631                                                          name=args.nvme_name,
3632                                                          cmd_type=args.cmd_type,
3633                                                          opc=args.opc,
3634                                                          do_not_submit=args.do_not_submit,
3635                                                          timeout_in_us=args.timeout_in_us,
3636                                                          err_count=args.err_count,
3637                                                          sct=args.sct,
3638                                                          sc=args.sc))
3639    p = subparsers.add_parser('bdev_nvme_add_error_injection',
3640                              help='Add a NVMe command error injection.')
3641    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3642    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
3643    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
3644    p.add_argument('-s', '--do-not-submit',
3645                   help="""Set to true if request should not be submitted to the controller""",
3646                   dest="do_not_submit", action='store_true')
3647    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
3648    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
3649    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
3650    p.add_argument('-c', '--sc', help="""Status code""", type=int)
3651    p.set_defaults(func=bdev_nvme_add_error_injection)
3652
3653    # bdev_nvme_remove_error_injection
3654    def bdev_nvme_remove_error_injection(args):
3655        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
3656                                                             name=args.nvme_name,
3657                                                             cmd_type=args.cmd_type,
3658                                                             opc=args.opc))
3659    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
3660                              help='Removes a NVMe command error injection.')
3661    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
3662    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
3663    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
3664    p.set_defaults(func=bdev_nvme_remove_error_injection)
3665
3666    def bdev_daos_create(args):
3667        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
3668        print_json(rpc.bdev.bdev_daos_create(args.client,
3669                                             num_blocks=int(num_blocks),
3670                                             block_size=args.block_size,
3671                                             name=args.name,
3672                                             uuid=args.uuid,
3673                                             pool=args.pool,
3674                                             cont=args.cont,
3675                                             oclass=args.oclass))
3676    p = subparsers.add_parser('bdev_daos_create',
3677                              help='Create a bdev with DAOS backend')
3678    p.add_argument('name', help="Name of the bdev")
3679    p.add_argument('pool', help="UUID of the DAOS pool")
3680    p.add_argument('cont', help="UUID of the DAOS container")
3681    p.add_argument(
3682        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
3683    p.add_argument('block_size', help='Block size for this bdev', type=int)
3684    p.add_argument('-u', '--uuid', help="UUID of the bdev")
3685    p.add_argument('-o', '--oclass', help="DAOS object class")
3686    p.set_defaults(func=bdev_daos_create)
3687
3688    def bdev_daos_delete(args):
3689        rpc.bdev.bdev_daos_delete(args.client,
3690                                  name=args.name)
3691
3692    p = subparsers.add_parser('bdev_daos_delete',
3693                              help='Delete a DAOS disk')
3694    p.add_argument('name', help='DAOS bdev name')
3695    p.set_defaults(func=bdev_daos_delete)
3696
3697    def bdev_daos_resize(args):
3698        print_json(rpc.bdev.bdev_daos_resize(args.client,
3699                                             name=args.name,
3700                                             new_size=int(args.new_size)))
3701
3702    p = subparsers.add_parser('bdev_daos_resize',
3703                              help='Resize a DAOS bdev')
3704    p.add_argument('name', help='DAOS bdev name')
3705    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
3706    p.set_defaults(func=bdev_daos_resize)
3707
3708    def iobuf_set_options(args):
3709        rpc.iobuf.iobuf_set_options(args.client,
3710                                    small_pool_count=args.small_pool_count,
3711                                    large_pool_count=args.large_pool_count,
3712                                    small_bufsize=args.small_bufsize,
3713                                    large_bufsize=args.large_bufsize)
3714    p = subparsers.add_parser('iobuf_set_options', help='Set iobuf pool options')
3715    p.add_argument('--small-pool-count', help='number of small buffers in the global pool', type=int)
3716    p.add_argument('--large-pool-count', help='number of large buffers in the global pool', type=int)
3717    p.add_argument('--small-bufsize', help='size of a small buffer', type=int)
3718    p.add_argument('--large-bufsize', help='size of a large buffer', type=int)
3719    p.set_defaults(func=iobuf_set_options)
3720
3721    def iobuf_get_stats(args):
3722        print_dict(rpc.iobuf.iobuf_get_stats(args.client))
3723
3724    p = subparsers.add_parser('iobuf_get_stats', help='Display iobuf statistics')
3725    p.set_defaults(func=iobuf_get_stats)
3726
3727    def bdev_nvme_start_mdns_discovery(args):
3728        rpc.bdev.bdev_nvme_start_mdns_discovery(args.client,
3729                                                name=args.name,
3730                                                svcname=args.svcname,
3731                                                hostnqn=args.hostnqn)
3732
3733    p = subparsers.add_parser('bdev_nvme_start_mdns_discovery', help='Start mdns based automatic discovery')
3734    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
3735    p.add_argument('-s', '--svcname', help='Service type to discover: e.g., _nvme-disc._tcp', required=True)
3736    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
3737    p.set_defaults(func=bdev_nvme_start_mdns_discovery)
3738
3739    def bdev_nvme_stop_mdns_discovery(args):
3740        rpc.bdev.bdev_nvme_stop_mdns_discovery(args.client, name=args.name)
3741
3742    p = subparsers.add_parser('bdev_nvme_stop_mdns_discovery', help='Stop automatic mdns discovery')
3743    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
3744    p.set_defaults(func=bdev_nvme_stop_mdns_discovery)
3745
3746    def bdev_nvme_get_mdns_discovery_info(args):
3747        print_dict(rpc.bdev.bdev_nvme_get_mdns_discovery_info(args.client))
3748
3749    p = subparsers.add_parser('bdev_nvme_get_mdns_discovery_info', help='Get information about the automatic mdns discovery')
3750    p.set_defaults(func=bdev_nvme_get_mdns_discovery_info)
3751
3752    def keyring_file_add_key(args):
3753        rpc.keyring.keyring_file_add_key(args.client, args.name, args.path)
3754
3755    p = subparsers.add_parser('keyring_file_add_key', help='Add a file-based key to the keyring')
3756    p.add_argument('name', help='Name of the key to add')
3757    p.add_argument('path', help='Path of the file containing the key')
3758    p.set_defaults(func=keyring_file_add_key)
3759
3760    def keyring_file_remove_key(args):
3761        rpc.keyring.keyring_file_remove_key(args.client, args.name)
3762
3763    p = subparsers.add_parser('keyring_file_remove_key', help='Remove a file-based key from the keyring')
3764    p.add_argument('name', help='Name of the key to remove')
3765    p.set_defaults(func=keyring_file_remove_key)
3766
3767    def keyring_get_keys(args):
3768        print_dict(rpc.keyring.keyring_get_keys(args.client))
3769
3770    p = subparsers.add_parser('keyring_get_keys', help='Get a list of registered keys')
3771    p.set_defaults(func=keyring_get_keys)
3772
3773    def keyring_linux_set_options(args):
3774        rpc.keyring.keyring_linux_set_options(args.client, args.enable)
3775
3776    p = subparsers.add_parser('keyring_linux_set_options', help='Set options of the keyring_linux module')
3777    p.add_argument('-e', '--enable', help='Enable keyring_linux module', action='store_true')
3778    p.set_defaults(func=keyring_linux_set_options)
3779
3780    def check_called_name(name):
3781        if name in deprecated_aliases:
3782            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
3783
3784    class dry_run_client:
3785        def call(self, method, params=None):
3786            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3787
3788    def null_print(arg):
3789        pass
3790
3791    def call_rpc_func(args):
3792        args.func(args)
3793        check_called_name(args.called_rpc_name)
3794
3795    def execute_script(parser, client, timeout, fd):
3796        executed_rpc = ""
3797        for rpc_call in map(str.rstrip, fd):
3798            if not rpc_call.strip():
3799                continue
3800            executed_rpc = "\n".join([executed_rpc, rpc_call])
3801            rpc_args = shlex.split(rpc_call)
3802            if rpc_args[0][0] == '#':
3803                # Ignore lines starting with # - treat them as comments
3804                continue
3805            args = parser.parse_args(rpc_args)
3806            args.client = client
3807            args.timeout = timeout
3808            try:
3809                call_rpc_func(args)
3810            except JSONRPCException as ex:
3811                print("Exception:")
3812                print(executed_rpc.strip() + " <<<")
3813                print(ex.message)
3814                exit(1)
3815
3816    def load_plugin(args):
3817        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3818        plugin_parser = argparse.ArgumentParser(add_help=False)
3819        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3820
3821        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3822        if args is not None:
3823            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3824
3825        if rpc_module in plugins:
3826            return
3827
3828        if rpc_module is not None:
3829            try:
3830                rpc_plugin = importlib.import_module(rpc_module)
3831                try:
3832                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3833                    plugins.append(rpc_module)
3834                except AttributeError:
3835                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3836            except ModuleNotFoundError:
3837                print("Module %s not found" % rpc_module)
3838
3839    def replace_arg_underscores(args):
3840        # All option names are defined with dashes only - for example: --tgt-name
3841        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3842        # SPDK was inconsistent previously and had some options with underscores, so
3843        # doing this conversion ensures backward compatibility with older scripts.
3844        for i in range(len(args)):
3845            arg = args[i]
3846            if arg.startswith('--') and "_" in arg:
3847                opt, *vals = arg.split('=')
3848                args[i] = '='.join([opt.replace('_', '-'), *vals])
3849
3850    plugins = []
3851    load_plugin(None)
3852
3853    replace_arg_underscores(sys.argv)
3854
3855    args = parser.parse_args()
3856
3857    try:
3858        use_go_client = int(os.getenv('SPDK_JSONRPC_GO_CLIENT', 0)) == 1
3859    except ValueError:
3860        use_go_client = False
3861
3862    if sys.stdin.isatty() and not hasattr(args, 'func'):
3863        # No arguments and no data piped through stdin
3864        parser.print_help()
3865        exit(1)
3866    if args.is_server:
3867        for input in sys.stdin:
3868            cmd = shlex.split(input)
3869            replace_arg_underscores(cmd)
3870            try:
3871                load_plugin(cmd)
3872                tmp_args = parser.parse_args(cmd)
3873            except SystemExit as ex:
3874                print("**STATUS=1", flush=True)
3875                continue
3876
3877            try:
3878                if use_go_client:
3879                    tmp_args.client = rpc.client.JSONRPCGoClient(tmp_args.server_addr,
3880                                                                 log_level=getattr(logging, tmp_args.verbose.upper()))
3881                else:
3882                    tmp_args.client = rpc.client.JSONRPCClient(
3883                        tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3884                        log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3885                call_rpc_func(tmp_args)
3886                print("**STATUS=0", flush=True)
3887            except JSONRPCException as ex:
3888                print(ex.message)
3889                print("**STATUS=1", flush=True)
3890        exit(0)
3891    elif args.dry_run:
3892        args.client = dry_run_client()
3893        print_dict = null_print
3894        print_json = null_print
3895        print_array = null_print
3896    elif args.go_client or use_go_client:
3897        try:
3898            args.client = rpc.client.JSONRPCGoClient(args.server_addr,
3899                                                     log_level=getattr(logging, args.verbose.upper()))
3900        except JSONRPCException as ex:
3901            print(ex.message)
3902            exit(1)
3903    else:
3904        try:
3905            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3906                                                   log_level=getattr(logging, args.verbose.upper()),
3907                                                   conn_retries=args.conn_retries)
3908        except JSONRPCException as ex:
3909            print(ex.message)
3910            exit(1)
3911
3912    if hasattr(args, 'func'):
3913        try:
3914            call_rpc_func(args)
3915        except JSONRPCException as ex:
3916            print(ex.message)
3917            exit(1)
3918    else:
3919        execute_script(parser, args.client, args.timeout, sys.stdin)
3920