xref: /spdk/scripts/rpc.py (revision ba8f1a9e5d59b6dfa9fd07c1300891b4e03722d9)
1#!/usr/bin/env python3
2
3import logging
4import argparse
5import importlib
6import os
7import sys
8import shlex
9import json
10
11try:
12    from shlex import quote
13except ImportError:
14    from pipes import quote
15
16sys.path.append(os.path.dirname(__file__) + '/../python')
17
18import spdk.rpc as rpc  # noqa
19from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
20from spdk.rpc.helpers import deprecated_aliases  # noqa
21
22
23def print_array(a):
24    print(" ".join((quote(v) for v in a)))
25
26
27if __name__ == "__main__":
28    parser = argparse.ArgumentParser(
29        description='SPDK RPC command line interface', usage='%(prog)s [options]')
30    parser.add_argument('-s', dest='server_addr',
31                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
32    parser.add_argument('-p', dest='port',
33                        help='RPC port number (if server_addr is IP address)',
34                        default=5260, type=int)
35    parser.add_argument('-t', dest='timeout',
36                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
37                        default=60.0, type=float)
38    parser.add_argument('-r', dest='conn_retries',
39                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
40                        default=0, type=int)
41    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
42                        help='Set verbose mode to INFO', default="ERROR")
43    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
44                        help="""Set verbose level. """)
45    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
46    parser.set_defaults(dry_run=False)
47    parser.add_argument('--server', dest='is_server', action='store_true',
48                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
49                                a separate connection for each command. Each command's output ends with either \
50                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
51                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
52                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
53                                must be executed without any other parameters.")
54    parser.set_defaults(is_server=False)
55    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
56    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
57
58    def framework_start_init(args):
59        rpc.framework_start_init(args.client)
60
61    p = subparsers.add_parser('framework_start_init', aliases=['start_subsystem_init'],
62                              help='Start initialization of subsystems')
63    p.set_defaults(func=framework_start_init)
64
65    def framework_wait_init(args):
66        rpc.framework_wait_init(args.client)
67
68    p = subparsers.add_parser('framework_wait_init', aliases=['wait_subsystem_init'],
69                              help='Block until subsystems have been initialized')
70    p.set_defaults(func=framework_wait_init)
71
72    def rpc_get_methods(args):
73        print_dict(rpc.rpc_get_methods(args.client,
74                                       current=args.current,
75                                       include_aliases=args.include_aliases))
76
77    p = subparsers.add_parser('rpc_get_methods', aliases=['get_rpc_methods'],
78                              help='Get list of supported RPC methods')
79    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
80    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
81    p.set_defaults(func=rpc_get_methods)
82
83    def spdk_get_version(args):
84        print_json(rpc.spdk_get_version(args.client))
85
86    p = subparsers.add_parser('spdk_get_version', aliases=['get_spdk_version'],
87                              help='Get SPDK version')
88    p.set_defaults(func=spdk_get_version)
89
90    def save_config(args):
91        rpc.save_config(args.client,
92                        sys.stdout,
93                        indent=args.indent)
94
95    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
96    """)
97    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
98    """, type=int, default=2)
99    p.set_defaults(func=save_config)
100
101    def load_config(args):
102        rpc.load_config(args.client, args.json_conf,
103                        include_aliases=args.include_aliases)
104
105    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
106    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
107    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
108    p.set_defaults(func=load_config)
109
110    def save_subsystem_config(args):
111        rpc.save_subsystem_config(args.client,
112                                  sys.stdout,
113                                  indent=args.indent,
114                                  name=args.name)
115
116    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
117    """)
118    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
119    """, type=int, default=2)
120    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
121    p.set_defaults(func=save_subsystem_config)
122
123    def load_subsystem_config(args):
124        rpc.load_subsystem_config(args.client,
125                                  args.json_conf)
126
127    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
128    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
129    p.set_defaults(func=load_subsystem_config)
130
131    # app
132    def spdk_kill_instance(args):
133        rpc.app.spdk_kill_instance(args.client,
134                                   sig_name=args.sig_name)
135
136    p = subparsers.add_parser('spdk_kill_instance', aliases=['kill_instance'],
137                              help='Send signal to instance')
138    p.add_argument('sig_name', help='signal will be sent to server.')
139    p.set_defaults(func=spdk_kill_instance)
140
141    def framework_monitor_context_switch(args):
142        enabled = None
143        if args.enable:
144            enabled = True
145        if args.disable:
146            enabled = False
147        print_dict(rpc.app.framework_monitor_context_switch(args.client,
148                                                            enabled=enabled))
149
150    p = subparsers.add_parser('framework_monitor_context_switch', aliases=['context_switch_monitor'],
151                              help='Control whether the context switch monitor is enabled')
152    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
153    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
154    p.set_defaults(func=framework_monitor_context_switch)
155
156    def framework_get_reactors(args):
157        print_dict(rpc.app.framework_get_reactors(args.client))
158
159    p = subparsers.add_parser(
160        'framework_get_reactors', help='Display list of all reactors')
161    p.set_defaults(func=framework_get_reactors)
162
163    def framework_set_scheduler(args):
164        rpc.app.framework_set_scheduler(args.client,
165                                        name=args.name,
166                                        period=args.period,
167                                        load_limit=args.load_limit,
168                                        core_limit=args.core_limit,
169                                        core_busy=args.core_busy)
170
171    p = subparsers.add_parser(
172        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
173    p.add_argument('name', help="Name of a scheduler")
174    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
175    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int, required=False)
176    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int, required=False)
177    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int, required=False)
178    p.set_defaults(func=framework_set_scheduler)
179
180    def framework_get_scheduler(args):
181        print_dict(rpc.app.framework_get_scheduler(args.client))
182
183    p = subparsers.add_parser(
184        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
185    p.set_defaults(func=framework_get_scheduler)
186
187    # bdev
188    def bdev_set_options(args):
189        rpc.bdev.bdev_set_options(args.client,
190                                  bdev_io_pool_size=args.bdev_io_pool_size,
191                                  bdev_io_cache_size=args.bdev_io_cache_size,
192                                  bdev_auto_examine=args.bdev_auto_examine,
193                                  small_buf_pool_size=args.small_buf_pool_size,
194                                  large_buf_pool_size=args.large_buf_pool_size)
195
196    p = subparsers.add_parser('bdev_set_options',
197                              help="""Set options of bdev subsystem""")
198    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
199    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
200    p.add_argument('-s', '--small-buf-pool-size', help='Maximum number of small buf (i.e., 8KB) pool size', type=int)
201    p.add_argument('-l', '--large-buf-pool-size', help='Maximum number of large buf (i.e., 64KB) pool size', type=int)
202    group = p.add_mutually_exclusive_group()
203    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
204    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
205    p.set_defaults(bdev_auto_examine=True)
206    p.set_defaults(func=bdev_set_options)
207
208    def bdev_examine(args):
209        rpc.bdev.bdev_examine(args.client,
210                              name=args.name)
211
212    p = subparsers.add_parser('bdev_examine',
213                              help="""examine a bdev if it exists, or will examine it after it is created""")
214    p.add_argument('-b', '--name', help='Name or alias of the bdev')
215    p.set_defaults(func=bdev_examine)
216
217    def bdev_wait_for_examine(args):
218        rpc.bdev.bdev_wait_for_examine(args.client)
219
220    p = subparsers.add_parser('bdev_wait_for_examine',
221                              help="""Report when all bdevs have been examined""")
222    p.set_defaults(func=bdev_wait_for_examine)
223
224    def bdev_compress_create(args):
225        print_json(rpc.bdev.bdev_compress_create(args.client,
226                                                 base_bdev_name=args.base_bdev_name,
227                                                 pm_path=args.pm_path,
228                                                 lb_size=args.lb_size))
229
230    p = subparsers.add_parser('bdev_compress_create', aliases=['construct_compress_bdev'],
231                              help='Add a compress vbdev')
232    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
233    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
234    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int, default=0)
235    p.set_defaults(func=bdev_compress_create)
236
237    def bdev_compress_delete(args):
238        rpc.bdev.bdev_compress_delete(args.client,
239                                      name=args.name)
240
241    p = subparsers.add_parser('bdev_compress_delete', aliases=['delete_compress_bdev'],
242                              help='Delete a compress disk')
243    p.add_argument('name', help='compress bdev name')
244    p.set_defaults(func=bdev_compress_delete)
245
246    def bdev_compress_set_pmd(args):
247        rpc.bdev.bdev_compress_set_pmd(args.client,
248                                       pmd=args.pmd)
249    p = subparsers.add_parser('bdev_compress_set_pmd', aliases=['set_compress_pmd', 'compress_set_pmd'],
250                              help='Set pmd option for a compress disk')
251    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = ISAL only, 3 = mlx5_pci only')
252    p.set_defaults(func=bdev_compress_set_pmd)
253
254    def bdev_compress_get_orphans(args):
255        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
256                                                      name=args.name))
257    p = subparsers.add_parser(
258        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
259    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1", required=False)
260    p.set_defaults(func=bdev_compress_get_orphans)
261
262    def bdev_crypto_create(args):
263        print_json(rpc.bdev.bdev_crypto_create(args.client,
264                                               base_bdev_name=args.base_bdev_name,
265                                               name=args.name,
266                                               crypto_pmd=args.crypto_pmd,
267                                               key=args.key,
268                                               cipher=args.cipher,
269                                               key2=args.key2))
270    p = subparsers.add_parser('bdev_crypto_create', aliases=['construct_crypto_bdev'],
271                              help='Add a crypto vbdev')
272    p.add_argument('base_bdev_name', help="Name of the base bdev")
273    p.add_argument('name', help="Name of the crypto vbdev")
274    p.add_argument('crypto_pmd', help="Name of the crypto device driver")
275    p.add_argument('key', help="Key")
276    p.add_argument('-c', '--cipher', help="cipher to use, AES_CBC or AES_XTS (QAT only)", default="AES_CBC")
277    p.add_argument('-k2', '--key2', help="2nd key for cipher AET_XTS", default=None)
278    p.set_defaults(func=bdev_crypto_create)
279
280    def bdev_crypto_delete(args):
281        rpc.bdev.bdev_crypto_delete(args.client,
282                                    name=args.name)
283
284    p = subparsers.add_parser('bdev_crypto_delete', aliases=['delete_crypto_bdev'],
285                              help='Delete a crypto disk')
286    p.add_argument('name', help='crypto bdev name')
287    p.set_defaults(func=bdev_crypto_delete)
288
289    def bdev_ocf_create(args):
290        print_json(rpc.bdev.bdev_ocf_create(args.client,
291                                            name=args.name,
292                                            mode=args.mode,
293                                            cache_line_size=args.cache_line_size,
294                                            cache_bdev_name=args.cache_bdev_name,
295                                            core_bdev_name=args.core_bdev_name))
296    p = subparsers.add_parser('bdev_ocf_create', aliases=['construct_ocf_bdev'],
297                              help='Add an OCF block device')
298    p.add_argument('name', help='Name of resulting OCF bdev')
299    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
300    p.add_argument(
301        '--cache-line-size',
302        help='OCF cache line size. The unit is KiB',
303        type=int,
304        choices=[4, 8, 16, 32, 64],
305        required=False,
306        default=0,
307    )
308    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
309    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
310    p.set_defaults(func=bdev_ocf_create)
311
312    def bdev_ocf_delete(args):
313        rpc.bdev.bdev_ocf_delete(args.client,
314                                 name=args.name)
315
316    p = subparsers.add_parser('bdev_ocf_delete', aliases=['delete_ocf_bdev'],
317                              help='Delete an OCF block device')
318    p.add_argument('name', help='Name of OCF bdev')
319    p.set_defaults(func=bdev_ocf_delete)
320
321    def bdev_ocf_get_stats(args):
322        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
323                                               name=args.name))
324    p = subparsers.add_parser('bdev_ocf_get_stats', aliases=['get_ocf_stats'],
325                              help='Get statistics of chosen OCF block device')
326    p.add_argument('name', help='Name of OCF bdev')
327    p.set_defaults(func=bdev_ocf_get_stats)
328
329    def bdev_ocf_get_bdevs(args):
330        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
331                                               name=args.name))
332    p = subparsers.add_parser('bdev_ocf_get_bdevs', aliases=['get_ocf_bdevs'],
333                              help='Get list of OCF devices including unregistered ones')
334    p.add_argument('name', nargs='?', default=None, help='name of OCF vbdev or name of cache device or name of core device (optional)')
335    p.set_defaults(func=bdev_ocf_get_bdevs)
336
337    def bdev_ocf_set_cache_mode(args):
338        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
339                                                    name=args.name,
340                                                    mode=args.mode))
341    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
342                              help='Set cache mode of OCF block device')
343    p.add_argument('name', help='Name of OCF bdev')
344    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
345    p.set_defaults(func=bdev_ocf_set_cache_mode)
346
347    def bdev_ocf_set_seqcutoff(args):
348        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
349                                        name=args.name,
350                                        policy=args.policy,
351                                        threshold=args.threshold,
352                                        promotion_count=args.promotion_count)
353    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
354                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
355    p.add_argument('name', help='Name of OCF cache bdev')
356    p.add_argument('-t', '--threshold', type=int,
357                   help='Activation threshold [KiB]')
358    p.add_argument('-c', '--promotion-count', type=int,
359                   help='Promotion request count')
360    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
361                   help='Sequential cutoff policy')
362    p.set_defaults(func=bdev_ocf_set_seqcutoff)
363
364    def bdev_malloc_create(args):
365        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
366        print_json(rpc.bdev.bdev_malloc_create(args.client,
367                                               num_blocks=int(num_blocks),
368                                               block_size=args.block_size,
369                                               name=args.name,
370                                               uuid=args.uuid,
371                                               optimal_io_boundary=args.optimal_io_boundary))
372    p = subparsers.add_parser('bdev_malloc_create', aliases=['construct_malloc_bdev'],
373                              help='Create a bdev with malloc backend')
374    p.add_argument('-b', '--name', help="Name of the bdev")
375    p.add_argument('-u', '--uuid', help="UUID of the bdev")
376    p.add_argument(
377        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
378    p.add_argument('block_size', help='Block size for this bdev', type=int)
379    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
380    blocks, default 0 (disabled)""", type=int)
381    p.set_defaults(func=bdev_malloc_create)
382
383    def bdev_malloc_delete(args):
384        rpc.bdev.bdev_malloc_delete(args.client,
385                                    name=args.name)
386
387    p = subparsers.add_parser('bdev_malloc_delete', aliases=['delete_malloc_bdev'],
388                              help='Delete a malloc disk')
389    p.add_argument('name', help='malloc bdev name')
390    p.set_defaults(func=bdev_malloc_delete)
391
392    def bdev_null_create(args):
393        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
394        if args.dif_type and not args.md_size:
395            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
396            exit(1)
397        print_json(rpc.bdev.bdev_null_create(args.client,
398                                             num_blocks=num_blocks,
399                                             block_size=args.block_size,
400                                             name=args.name,
401                                             uuid=args.uuid,
402                                             md_size=args.md_size,
403                                             dif_type=args.dif_type,
404                                             dif_is_head_of_md=args.dif_is_head_of_md))
405
406    p = subparsers.add_parser('bdev_null_create', aliases=['construct_null_bdev'],
407                              help='Add a bdev with null backend')
408    p.add_argument('name', help='Block device name')
409    p.add_argument('-u', '--uuid', help='UUID of the bdev')
410    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
411    p.add_argument('block_size', help='Block size for this bdev.'
412                                      'Should be a sum of block size and metadata size if --md-size is used.', type=int)
413    p.add_argument('-m', '--md-size', type=int,
414                   help='Metadata size for this bdev. Default=0.')
415    p.add_argument('-t', '--dif-type', type=int, default=0, choices=[0, 1, 2, 3],
416                   help='Protection information type. Parameter --md-size needs'
417                        'to be set along --dif-type. Default=0 - no protection.')
418    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
419                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
420    p.set_defaults(func=bdev_null_create)
421
422    def bdev_null_delete(args):
423        rpc.bdev.bdev_null_delete(args.client,
424                                  name=args.name)
425
426    p = subparsers.add_parser('bdev_null_delete', aliases=['delete_null_bdev'],
427                              help='Delete a null bdev')
428    p.add_argument('name', help='null bdev name')
429    p.set_defaults(func=bdev_null_delete)
430
431    def bdev_null_resize(args):
432        print_json(rpc.bdev.bdev_null_resize(args.client,
433                                             name=args.name,
434                                             new_size=int(args.new_size)))
435
436    p = subparsers.add_parser('bdev_null_resize',
437                              help='Resize a null bdev')
438    p.add_argument('name', help='null bdev name')
439    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
440    p.set_defaults(func=bdev_null_resize)
441
442    def bdev_aio_create(args):
443        print_json(rpc.bdev.bdev_aio_create(args.client,
444                                            filename=args.filename,
445                                            name=args.name,
446                                            block_size=args.block_size))
447
448    p = subparsers.add_parser('bdev_aio_create', aliases=['construct_aio_bdev'],
449                              help='Add a bdev with aio backend')
450    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
451    p.add_argument('name', help='Block device name')
452    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
453    p.set_defaults(func=bdev_aio_create)
454
455    def bdev_aio_rescan(args):
456        print_json(rpc.bdev.bdev_aio_rescan(args.client,
457                                            name=args.name))
458
459    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
460    p.add_argument('name', help='Block device name')
461    p.set_defaults(func=bdev_aio_rescan)
462
463    def bdev_aio_delete(args):
464        rpc.bdev.bdev_aio_delete(args.client,
465                                 name=args.name)
466
467    p = subparsers.add_parser('bdev_aio_delete', aliases=['delete_aio_bdev'],
468                              help='Delete an aio disk')
469    p.add_argument('name', help='aio bdev name')
470    p.set_defaults(func=bdev_aio_delete)
471
472    def bdev_uring_create(args):
473        print_json(rpc.bdev.bdev_uring_create(args.client,
474                                              filename=args.filename,
475                                              name=args.name,
476                                              block_size=args.block_size))
477
478    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
479    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
480    p.add_argument('name', help='bdev name')
481    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
482    p.set_defaults(func=bdev_uring_create)
483
484    def bdev_uring_delete(args):
485        rpc.bdev.bdev_uring_delete(args.client,
486                                   name=args.name)
487
488    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
489    p.add_argument('name', help='uring bdev name')
490    p.set_defaults(func=bdev_uring_delete)
491
492    def bdev_nvme_set_options(args):
493        rpc.bdev.bdev_nvme_set_options(args.client,
494                                       action_on_timeout=args.action_on_timeout,
495                                       timeout_us=args.timeout_us,
496                                       timeout_admin_us=args.timeout_admin_us,
497                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
498                                       retry_count=args.retry_count,
499                                       arbitration_burst=args.arbitration_burst,
500                                       low_priority_weight=args.low_priority_weight,
501                                       medium_priority_weight=args.medium_priority_weight,
502                                       high_priority_weight=args.high_priority_weight,
503                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
504                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
505                                       io_queue_requests=args.io_queue_requests,
506                                       delay_cmd_submit=args.delay_cmd_submit,
507                                       transport_retry_count=args.transport_retry_count,
508                                       bdev_retry_count=args.bdev_retry_count,
509                                       transport_ack_timeout=args.transport_ack_timeout,
510                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
511                                       reconnect_delay_sec=args.reconnect_delay_sec,
512                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
513
514    p = subparsers.add_parser('bdev_nvme_set_options', aliases=['set_bdev_nvme_options'],
515                              help='Set options for the bdev nvme type. This is startup command.')
516    p.add_argument('-a', '--action-on-timeout',
517                   help="Action to take on command time out. Valid values are: none, reset, abort")
518    p.add_argument('-t', '--timeout-us',
519                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
520    p.add_argument('--timeout-admin-us',
521                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
522    p.add_argument('-k', '--keep-alive-timeout-ms',
523                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
524    p.add_argument('-n', '--retry-count',
525                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
526    p.add_argument('--arbitration-burst',
527                   help='the value is expressed as a power of two', type=int)
528    p.add_argument('--low-priority-weight',
529                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
530    p.add_argument('--medium-priority-weight',
531                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
532    p.add_argument('--high-priority-weight',
533                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
534    p.add_argument('-p', '--nvme-adminq-poll-period-us',
535                   help='How often the admin queue is polled for asynchronous events', type=int)
536    p.add_argument('-i', '--nvme-ioq-poll-period-us',
537                   help='How often to poll I/O queues for completions', type=int)
538    p.add_argument('-s', '--io-queue-requests',
539                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
540    p.add_argument('-d', '--disable-delay-cmd-submit',
541                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
542                   action='store_false', dest='delay_cmd_submit', default=True)
543    p.add_argument('-c', '--transport-retry-count',
544                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
545    p.add_argument('-r', '--bdev-retry-count',
546                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
547    p.add_argument('-e', '--transport-ack-timeout',
548                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
549                   Range 0-31 where 0 is driver-specific default value.""", type=int)
550    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
551                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
552                   -1 means infinite reconnect retries. 0 means no reconnect retry.
553                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
554                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
555                   reconnect_delay_sec.
556                   This can be overridden by bdev_nvme_attach_controller.""",
557                   type=int)
558    p.add_argument('-o', '--reconnect-delay-sec',
559                   help="""Time to delay a reconnect retry.
560                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
561                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
562                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
563                   less than ctrlr_loss_timeout_sec.
564                   This can be overridden by bdev_nvme_attach_controller.""",
565                   type=int)
566    p.add_argument('-u', '--fast-io-fail-timeout-sec',
567                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
568                   0 means no such timeout.
569                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
570                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
571                   This can be overridden by bdev_nvme_attach_controller.""",
572                   type=int)
573
574    p.set_defaults(func=bdev_nvme_set_options)
575
576    def bdev_nvme_set_hotplug(args):
577        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
578
579    p = subparsers.add_parser('bdev_nvme_set_hotplug', aliases=['set_bdev_nvme_hotplug'],
580                              help='Set hotplug options for bdev nvme type.')
581    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
582    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
583    p.add_argument('-r', '--period-us',
584                   help='How often the hotplug is processed for insert and remove events', type=int)
585    p.set_defaults(func=bdev_nvme_set_hotplug)
586
587    def bdev_nvme_attach_controller(args):
588        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
589                                                         name=args.name,
590                                                         trtype=args.trtype,
591                                                         traddr=args.traddr,
592                                                         adrfam=args.adrfam,
593                                                         trsvcid=args.trsvcid,
594                                                         priority=args.priority,
595                                                         subnqn=args.subnqn,
596                                                         hostnqn=args.hostnqn,
597                                                         hostaddr=args.hostaddr,
598                                                         hostsvcid=args.hostsvcid,
599                                                         prchk_reftag=args.prchk_reftag,
600                                                         prchk_guard=args.prchk_guard,
601                                                         hdgst=args.hdgst,
602                                                         ddgst=args.ddgst,
603                                                         fabrics_timeout=args.fabrics_timeout,
604                                                         multipath=args.multipath,
605                                                         num_io_queues=args.num_io_queues,
606                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
607                                                         reconnect_delay_sec=args.reconnect_delay_sec,
608                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec))
609
610    p = subparsers.add_parser('bdev_nvme_attach_controller', aliases=['construct_nvme_bdev'],
611                              help='Add bdevs with nvme backend')
612    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
613    p.add_argument('-t', '--trtype',
614                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
615    p.add_argument('-a', '--traddr',
616                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
617    p.add_argument('-f', '--adrfam',
618                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
619    p.add_argument('-s', '--trsvcid',
620                   help='NVMe-oF target trsvcid: e.g., a port number')
621    p.add_argument('-p', '--priority',
622                   help='NVMe-oF connection priority: e.g., a priority number')
623    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
624    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
625    p.add_argument('-i', '--hostaddr',
626                   help='NVMe-oF host address: e.g., an ip address')
627    p.add_argument('-c', '--hostsvcid',
628                   help='NVMe-oF host svcid: e.g., a port number')
629    p.add_argument('-r', '--prchk-reftag',
630                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
631    p.add_argument('-g', '--prchk-guard',
632                   help='Enable checking of PI guard for I/O processing.', action='store_true')
633    p.add_argument('-e', '--hdgst',
634                   help='Enable TCP header digest.', action='store_true')
635    p.add_argument('-d', '--ddgst',
636                   help='Enable TCP data digest.', action='store_true')
637    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
638    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
639    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
640    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
641                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
642                   -1 means infinite reconnect retries. 0 means no reconnect retry.
643                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
644                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
645                   reconnect_delay_sec.""",
646                   type=int)
647    p.add_argument('-o', '--reconnect-delay-sec',
648                   help="""Time to delay a reconnect retry.
649                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
650                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
651                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
652                   less than ctrlr_loss_timeout_sec.""",
653                   type=int)
654    p.add_argument('-u', '--fast-io-fail-timeout-sec',
655                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
656                   0 means no such timeout.
657                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
658                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
659                   type=int)
660    p.set_defaults(func=bdev_nvme_attach_controller)
661
662    def bdev_nvme_get_controllers(args):
663        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
664                                                      name=args.name))
665
666    p = subparsers.add_parser(
667        'bdev_nvme_get_controllers', aliases=['get_nvme_controllers'],
668        help='Display current NVMe controllers list or required NVMe controller')
669    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0", required=False)
670    p.set_defaults(func=bdev_nvme_get_controllers)
671
672    def bdev_nvme_detach_controller(args):
673        rpc.bdev.bdev_nvme_detach_controller(args.client,
674                                             name=args.name,
675                                             trtype=args.trtype,
676                                             traddr=args.traddr,
677                                             adrfam=args.adrfam,
678                                             trsvcid=args.trsvcid,
679                                             subnqn=args.subnqn,
680                                             hostaddr=args.hostaddr,
681                                             hostsvcid=args.hostsvcid)
682
683    p = subparsers.add_parser('bdev_nvme_detach_controller', aliases=['delete_nvme_controller'],
684                              help='Detach an NVMe controller and delete any associated bdevs')
685    p.add_argument('name', help="Name of the controller")
686    p.add_argument('-t', '--trtype',
687                   help='NVMe-oF target trtype: e.g., rdma, pcie')
688    p.add_argument('-a', '--traddr',
689                   help='NVMe-oF target address: e.g., an ip address or BDF')
690    p.add_argument('-f', '--adrfam',
691                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
692    p.add_argument('-s', '--trsvcid',
693                   help='NVMe-oF target trsvcid: e.g., a port number')
694    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
695    p.add_argument('-i', '--hostaddr',
696                   help='NVMe-oF host address: e.g., an ip address')
697    p.add_argument('-c', '--hostsvcid',
698                   help='NVMe-oF host svcid: e.g., a port number')
699    p.set_defaults(func=bdev_nvme_detach_controller)
700
701    def bdev_nvme_reset_controller(args):
702        rpc.bdev.bdev_nvme_reset_controller(args.client, name=args.name)
703
704    p = subparsers.add_parser('bdev_nvme_reset_controller',
705                              help='Reset an NVMe controller')
706    p.add_argument('name', help="Name of the NVMe controller")
707    p.set_defaults(func=bdev_nvme_reset_controller)
708
709    def bdev_nvme_start_discovery(args):
710        rpc.bdev.bdev_nvme_start_discovery(args.client,
711                                           name=args.name,
712                                           trtype=args.trtype,
713                                           traddr=args.traddr,
714                                           adrfam=args.adrfam,
715                                           trsvcid=args.trsvcid,
716                                           hostnqn=args.hostnqn,
717                                           wait_for_attach=args.wait_for_attach,
718                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
719                                           reconnect_delay_sec=args.reconnect_delay_sec,
720                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
721
722    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
723    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
724    p.add_argument('-t', '--trtype',
725                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
726    p.add_argument('-a', '--traddr',
727                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
728    p.add_argument('-f', '--adrfam',
729                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
730    p.add_argument('-s', '--trsvcid',
731                   help='NVMe-oF target trsvcid: e.g., a port number')
732    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
733    p.add_argument('-w', '--wait-for-attach', action='store_true',
734                   help='Do not complete RPC until all discovered NVM subsystems are attached')
735    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
736                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
737                   -1 means infinite reconnect retries. 0 means no reconnect retry.
738                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
739                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
740                   reconnect_delay_sec.""",
741                   type=int)
742    p.add_argument('-o', '--reconnect-delay-sec',
743                   help="""Time to delay a reconnect retry.
744                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
745                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
746                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
747                   less than ctrlr_loss_timeout_sec.""",
748                   type=int)
749    p.add_argument('-u', '--fast-io-fail-timeout-sec',
750                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
751                   0 means no such timeout.
752                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
753                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
754                   type=int)
755    p.set_defaults(func=bdev_nvme_start_discovery)
756
757    def bdev_nvme_stop_discovery(args):
758        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
759
760    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
761    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
762    p.set_defaults(func=bdev_nvme_stop_discovery)
763
764    def bdev_nvme_get_discovery_info(args):
765        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
766
767    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
768    p.set_defaults(func=bdev_nvme_get_discovery_info)
769
770    def bdev_nvme_get_io_paths(args):
771        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
772
773    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
774    p.add_argument('-n', '--name', help="Name of the NVMe bdev", required=False)
775    p.set_defaults(func=bdev_nvme_get_io_paths)
776
777    def bdev_nvme_set_preferred_path(args):
778        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
779                                              name=args.name,
780                                              cntlid=args.cntlid)
781
782    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
783                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
784    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
785    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
786    p.set_defaults(func=bdev_nvme_set_preferred_path)
787
788    def bdev_nvme_set_multipath_policy(args):
789        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
790                                                name=args.name,
791                                                policy=args.policy)
792
793    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
794                              help="""Set multipath policy of the NVMe bdev""")
795    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
796    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
797    p.set_defaults(func=bdev_nvme_set_multipath_policy)
798
799    def bdev_nvme_cuse_register(args):
800        rpc.bdev.bdev_nvme_cuse_register(args.client,
801                                         name=args.name)
802
803    p = subparsers.add_parser('bdev_nvme_cuse_register',
804                              help='Register CUSE devices on NVMe controller')
805    p.add_argument('-n', '--name',
806                   help='Name of the NVMe controller. Example: Nvme0', required=True)
807    p.set_defaults(func=bdev_nvme_cuse_register)
808
809    def bdev_nvme_cuse_unregister(args):
810        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
811                                           name=args.name)
812
813    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
814                              help='Unregister CUSE devices on NVMe controller')
815    p.add_argument('-n', '--name',
816                   help='Name of the NVMe controller. Example: Nvme0', required=True)
817    p.set_defaults(func=bdev_nvme_cuse_unregister)
818
819    def bdev_zone_block_create(args):
820        print_json(rpc.bdev.bdev_zone_block_create(args.client,
821                                                   name=args.name,
822                                                   base_bdev=args.base_bdev,
823                                                   zone_capacity=args.zone_capacity,
824                                                   optimal_open_zones=args.optimal_open_zones))
825
826    p = subparsers.add_parser('bdev_zone_block_create',
827                              help='Create virtual zone namespace device with block device backend')
828    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
829    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
830    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
831    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
832    p.set_defaults(func=bdev_zone_block_create)
833
834    def bdev_zone_block_delete(args):
835        rpc.bdev.bdev_zone_block_delete(args.client,
836                                        name=args.name)
837
838    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
839    p.add_argument('name', help='Virtual zone bdev name')
840    p.set_defaults(func=bdev_zone_block_delete)
841
842    def bdev_rbd_register_cluster(args):
843        config_param = None
844        if args.config_param:
845            config_param = {}
846            for entry in args.config_param:
847                parts = entry.split('=', 1)
848                if len(parts) != 2:
849                    raise Exception('--config %s not in key=value form' % entry)
850                config_param[parts[0]] = parts[1]
851        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
852                                                      name=args.name,
853                                                      user=args.user,
854                                                      config_param=config_param,
855                                                      config_file=args.config_file,
856                                                      key_file=args.key_file))
857
858    p = subparsers.add_parser('bdev_rbd_register_cluster',
859                              help='Add a Rados cluster with ceph rbd backend')
860    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
861    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
862    p.add_argument('--config-param', action='append', metavar='key=value',
863                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
864    p.add_argument('--config-file', help="The file path of the Rados configuration file", required=False)
865    p.add_argument('--key-file', help="The file path of the Rados keyring file", required=False)
866    p.set_defaults(func=bdev_rbd_register_cluster)
867
868    def bdev_rbd_unregister_cluster(args):
869        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
870
871    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
872                              help='Unregister a Rados cluster object')
873    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
874    p.set_defaults(func=bdev_rbd_unregister_cluster)
875
876    def bdev_rbd_get_clusters_info(args):
877        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
878
879    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
880                              help='Display registered Rados Cluster names and related info')
881    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1", required=False)
882    p.set_defaults(func=bdev_rbd_get_clusters_info)
883
884    def bdev_rbd_create(args):
885        config = None
886        if args.config:
887            config = {}
888            for entry in args.config:
889                parts = entry.split('=', 1)
890                if len(parts) != 2:
891                    raise Exception('--config %s not in key=value form' % entry)
892                config[parts[0]] = parts[1]
893        print_json(rpc.bdev.bdev_rbd_create(args.client,
894                                            name=args.name,
895                                            user=args.user,
896                                            config=config,
897                                            pool_name=args.pool_name,
898                                            rbd_name=args.rbd_name,
899                                            block_size=args.block_size,
900                                            cluster_name=args.cluster_name,
901                                            uuid=args.uuid))
902
903    p = subparsers.add_parser('bdev_rbd_create', aliases=['construct_rbd_bdev'],
904                              help='Add a bdev with ceph rbd backend')
905    p.add_argument('-b', '--name', help="Name of the bdev", required=False)
906    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
907    p.add_argument('--config', action='append', metavar='key=value',
908                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
909    p.add_argument('pool_name', help='rbd pool name')
910    p.add_argument('rbd_name', help='rbd image name')
911    p.add_argument('block_size', help='rbd block size', type=int)
912    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster", required=False)
913    p.add_argument('-u', '--uuid', help="UUID of the bdev")
914    p.set_defaults(func=bdev_rbd_create)
915
916    def bdev_rbd_delete(args):
917        rpc.bdev.bdev_rbd_delete(args.client,
918                                 name=args.name)
919
920    p = subparsers.add_parser('bdev_rbd_delete', aliases=['delete_rbd_bdev'],
921                              help='Delete a rbd bdev')
922    p.add_argument('name', help='rbd bdev name')
923    p.set_defaults(func=bdev_rbd_delete)
924
925    def bdev_rbd_resize(args):
926        print_json(rpc.bdev.bdev_rbd_resize(args.client,
927                                            name=args.name,
928                                            new_size=int(args.new_size)))
929
930    p = subparsers.add_parser('bdev_rbd_resize',
931                              help='Resize a rbd bdev')
932    p.add_argument('name', help='rbd bdev name')
933    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
934    p.set_defaults(func=bdev_rbd_resize)
935
936    def bdev_delay_create(args):
937        print_json(rpc.bdev.bdev_delay_create(args.client,
938                                              base_bdev_name=args.base_bdev_name,
939                                              name=args.name,
940                                              avg_read_latency=args.avg_read_latency,
941                                              p99_read_latency=args.nine_nine_read_latency,
942                                              avg_write_latency=args.avg_write_latency,
943                                              p99_write_latency=args.nine_nine_write_latency))
944
945    p = subparsers.add_parser('bdev_delay_create',
946                              help='Add a delay bdev on existing bdev')
947    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
948    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
949    p.add_argument('-r', '--avg-read-latency',
950                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
951    p.add_argument('-t', '--nine-nine-read-latency',
952                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
953    p.add_argument('-w', '--avg-write-latency',
954                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
955    p.add_argument('-n', '--nine-nine-write-latency',
956                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
957    p.set_defaults(func=bdev_delay_create)
958
959    def bdev_delay_delete(args):
960        rpc.bdev.bdev_delay_delete(args.client,
961                                   name=args.name)
962
963    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
964    p.add_argument('name', help='delay bdev name')
965    p.set_defaults(func=bdev_delay_delete)
966
967    def bdev_delay_update_latency(args):
968        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
969                                                      delay_bdev_name=args.delay_bdev_name,
970                                                      latency_type=args.latency_type,
971                                                      latency_us=args.latency_us))
972    p = subparsers.add_parser('bdev_delay_update_latency',
973                              help='Update one of the latency values for a given delay bdev')
974    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
975    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
976    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
977    p.set_defaults(func=bdev_delay_update_latency)
978
979    def bdev_error_create(args):
980        print_json(rpc.bdev.bdev_error_create(args.client,
981                                              base_name=args.base_name))
982
983    p = subparsers.add_parser('bdev_error_create', aliases=['construct_error_bdev'],
984                              help='Add bdev with error injection backend')
985    p.add_argument('base_name', help='base bdev name')
986    p.set_defaults(func=bdev_error_create)
987
988    def bdev_error_delete(args):
989        rpc.bdev.bdev_error_delete(args.client,
990                                   name=args.name)
991
992    p = subparsers.add_parser('bdev_error_delete', aliases=['delete_error_bdev'],
993                              help='Delete an error bdev')
994    p.add_argument('name', help='error bdev name')
995    p.set_defaults(func=bdev_error_delete)
996
997    def bdev_iscsi_create(args):
998        print_json(rpc.bdev.bdev_iscsi_create(args.client,
999                                              name=args.name,
1000                                              url=args.url,
1001                                              initiator_iqn=args.initiator_iqn))
1002
1003    p = subparsers.add_parser('bdev_iscsi_create', aliases=['construct_iscsi_bdev'],
1004                              help='Add bdev with iSCSI initiator backend')
1005    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1006    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1007    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1008    p.set_defaults(func=bdev_iscsi_create)
1009
1010    def bdev_iscsi_delete(args):
1011        rpc.bdev.bdev_iscsi_delete(args.client,
1012                                   name=args.name)
1013
1014    p = subparsers.add_parser('bdev_iscsi_delete', aliases=['delete_iscsi_bdev'],
1015                              help='Delete an iSCSI bdev')
1016    p.add_argument('name', help='iSCSI bdev name')
1017    p.set_defaults(func=bdev_iscsi_delete)
1018
1019    def bdev_pmem_create(args):
1020        print_json(rpc.bdev.bdev_pmem_create(args.client,
1021                                             pmem_file=args.pmem_file,
1022                                             name=args.name))
1023
1024    p = subparsers.add_parser('bdev_pmem_create', aliases=['construct_pmem_bdev'],
1025                              help='Add a bdev with pmem backend')
1026    p.add_argument('pmem_file', help='Path to pmemblk pool file')
1027    p.add_argument('-n', '--name', help='Block device name', required=True)
1028    p.set_defaults(func=bdev_pmem_create)
1029
1030    def bdev_pmem_delete(args):
1031        rpc.bdev.bdev_pmem_delete(args.client,
1032                                  name=args.name)
1033
1034    p = subparsers.add_parser('bdev_pmem_delete', aliases=['delete_pmem_bdev'],
1035                              help='Delete a pmem bdev')
1036    p.add_argument('name', help='pmem bdev name')
1037    p.set_defaults(func=bdev_pmem_delete)
1038
1039    def bdev_passthru_create(args):
1040        print_json(rpc.bdev.bdev_passthru_create(args.client,
1041                                                 base_bdev_name=args.base_bdev_name,
1042                                                 name=args.name))
1043
1044    p = subparsers.add_parser('bdev_passthru_create', aliases=['construct_passthru_bdev'],
1045                              help='Add a pass through bdev on existing bdev')
1046    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1047    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1048    p.set_defaults(func=bdev_passthru_create)
1049
1050    def bdev_passthru_delete(args):
1051        rpc.bdev.bdev_passthru_delete(args.client,
1052                                      name=args.name)
1053
1054    p = subparsers.add_parser('bdev_passthru_delete', aliases=['delete_passthru_bdev'],
1055                              help='Delete a pass through bdev')
1056    p.add_argument('name', help='pass through bdev name')
1057    p.set_defaults(func=bdev_passthru_delete)
1058
1059    def bdev_get_bdevs(args):
1060        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1061                                           name=args.name, timeout=args.timeout_ms))
1062
1063    p = subparsers.add_parser('bdev_get_bdevs',
1064                              help='Display current blockdev list or required blockdev')
1065    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1066    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1067    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1068    whether the bdev exists or not.""",
1069                   type=int, required=False)
1070    p.set_defaults(func=bdev_get_bdevs)
1071
1072    def bdev_get_iostat(args):
1073        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1074                                            name=args.name))
1075
1076    p = subparsers.add_parser('bdev_get_iostat',
1077                              help='Display current I/O statistics of all the blockdevs or required blockdev.')
1078    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1079    p.set_defaults(func=bdev_get_iostat)
1080
1081    def bdev_enable_histogram(args):
1082        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1083
1084    p = subparsers.add_parser('bdev_enable_histogram',
1085                              help='Enable or disable histogram for specified bdev')
1086    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1087    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1088    p.add_argument('name', help='bdev name')
1089    p.set_defaults(func=bdev_enable_histogram)
1090
1091    def bdev_get_histogram(args):
1092        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1093
1094    p = subparsers.add_parser('bdev_get_histogram',
1095                              help='Get histogram for specified bdev')
1096    p.add_argument('name', help='bdev name')
1097    p.set_defaults(func=bdev_get_histogram)
1098
1099    def bdev_set_qd_sampling_period(args):
1100        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1101                                             name=args.name,
1102                                             period=args.period)
1103
1104    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1105                              help="Enable or disable tracking of a bdev's queue depth.")
1106    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1107    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1108                   ' If set to 0, polling will be disabled.',
1109                   type=int)
1110    p.set_defaults(func=bdev_set_qd_sampling_period)
1111
1112    def bdev_set_qos_limit(args):
1113        rpc.bdev.bdev_set_qos_limit(args.client,
1114                                    name=args.name,
1115                                    rw_ios_per_sec=args.rw_ios_per_sec,
1116                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1117                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1118                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1119
1120    p = subparsers.add_parser('bdev_set_qos_limit',
1121                              help='Set QoS rate limit on a blockdev')
1122    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1123    p.add_argument('--rw-ios-per-sec',
1124                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1125                   type=int, required=False)
1126    p.add_argument('--rw-mbytes-per-sec',
1127                   help="R/W megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1128                   type=int, required=False)
1129    p.add_argument('--r-mbytes-per-sec',
1130                   help="Read megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1131                   type=int, required=False)
1132    p.add_argument('--w-mbytes-per-sec',
1133                   help="Write megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1134                   type=int, required=False)
1135    p.set_defaults(func=bdev_set_qos_limit)
1136
1137    def bdev_error_inject_error(args):
1138        rpc.bdev.bdev_error_inject_error(args.client,
1139                                         name=args.name,
1140                                         io_type=args.io_type,
1141                                         error_type=args.error_type,
1142                                         num=args.num)
1143
1144    p = subparsers.add_parser('bdev_error_inject_error', aliases=['bdev_inject_error'],
1145                              help='bdev inject error')
1146    p.add_argument('name', help="""the name of the error injection bdev""")
1147    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1148    p.add_argument('error_type', help="""error_type: 'failure' 'pending'""")
1149    p.add_argument(
1150        '-n', '--num', help='the number of commands you want to fail', type=int, default=1)
1151    p.set_defaults(func=bdev_error_inject_error)
1152
1153    def bdev_nvme_apply_firmware(args):
1154        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1155                                                     bdev_name=args.bdev_name,
1156                                                     filename=args.filename))
1157
1158    p = subparsers.add_parser('bdev_nvme_apply_firmware', aliases=['apply_firmware'],
1159                              help='Download and commit firmware to NVMe device')
1160    p.add_argument('filename', help='filename of the firmware to download')
1161    p.add_argument('bdev_name', help='name of the NVMe device')
1162    p.set_defaults(func=bdev_nvme_apply_firmware)
1163
1164    def bdev_nvme_get_transport_statistics(args):
1165        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1166
1167    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1168                              help='Get bdev_nvme poll group transport statistics')
1169    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1170
1171    def bdev_nvme_get_controller_health_info(args):
1172        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1173                                                                 name=args.name))
1174
1175    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1176                              help='Display health log of the required NVMe bdev controller.')
1177    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1178    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1179
1180    # iSCSI
1181    def iscsi_set_options(args):
1182        rpc.iscsi.iscsi_set_options(
1183            args.client,
1184            auth_file=args.auth_file,
1185            node_base=args.node_base,
1186            nop_timeout=args.nop_timeout,
1187            nop_in_interval=args.nop_in_interval,
1188            disable_chap=args.disable_chap,
1189            require_chap=args.require_chap,
1190            mutual_chap=args.mutual_chap,
1191            chap_group=args.chap_group,
1192            max_sessions=args.max_sessions,
1193            max_queue_depth=args.max_queue_depth,
1194            max_connections_per_session=args.max_connections_per_session,
1195            default_time2wait=args.default_time2wait,
1196            default_time2retain=args.default_time2retain,
1197            first_burst_length=args.first_burst_length,
1198            immediate_data=args.immediate_data,
1199            error_recovery_level=args.error_recovery_level,
1200            allow_duplicated_isid=args.allow_duplicated_isid,
1201            max_large_datain_per_connection=args.max_large_datain_per_connection,
1202            max_r2t_per_connection=args.max_r2t_per_connection,
1203            pdu_pool_size=args.pdu_pool_size,
1204            immediate_data_pool_size=args.immediate_data_pool_size,
1205            data_out_pool_size=args.data_out_pool_size)
1206
1207    p = subparsers.add_parser('iscsi_set_options',
1208                              help="""Set options of iSCSI subsystem""")
1209    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1210    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1211    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1212    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1213    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1214    *** Mutually exclusive with --require-chap""", action='store_true')
1215    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1216    *** Mutually exclusive with --disable-chap""", action='store_true')
1217    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1218    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1219    *** Authentication group must be precreated ***""", type=int)
1220    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1221    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1222    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1223    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1224    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1225    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1226    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1227    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1228    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1229    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1230    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1231    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1232    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1233    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1234    p.set_defaults(func=iscsi_set_options)
1235
1236    def iscsi_set_discovery_auth(args):
1237        rpc.iscsi.iscsi_set_discovery_auth(
1238            args.client,
1239            disable_chap=args.disable_chap,
1240            require_chap=args.require_chap,
1241            mutual_chap=args.mutual_chap,
1242            chap_group=args.chap_group)
1243
1244    p = subparsers.add_parser('iscsi_set_discovery_auth',
1245                              help="""Set CHAP authentication for discovery session.""")
1246    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1247    *** Mutually exclusive with --require-chap""", action='store_true')
1248    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1249    *** Mutually exclusive with --disable-chap""", action='store_true')
1250    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1251    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1252    *** Authentication group must be precreated ***""", type=int)
1253    p.set_defaults(func=iscsi_set_discovery_auth)
1254
1255    def iscsi_create_auth_group(args):
1256        secrets = None
1257        if args.secrets:
1258            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1259
1260        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1261
1262    p = subparsers.add_parser('iscsi_create_auth_group',
1263                              help='Create authentication group for CHAP authentication.')
1264    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1265    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1266<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1267Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""", required=False)
1268    p.set_defaults(func=iscsi_create_auth_group)
1269
1270    def iscsi_delete_auth_group(args):
1271        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1272
1273    p = subparsers.add_parser('iscsi_delete_auth_group',
1274                              help='Delete an authentication group.')
1275    p.add_argument('tag', help='Authentication group tag', type=int)
1276    p.set_defaults(func=iscsi_delete_auth_group)
1277
1278    def iscsi_auth_group_add_secret(args):
1279        rpc.iscsi.iscsi_auth_group_add_secret(
1280            args.client,
1281            tag=args.tag,
1282            user=args.user,
1283            secret=args.secret,
1284            muser=args.muser,
1285            msecret=args.msecret)
1286
1287    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1288                              help='Add a secret to an authentication group.')
1289    p.add_argument('tag', help='Authentication group tag', type=int)
1290    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1291    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1292    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1293    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1294    p.set_defaults(func=iscsi_auth_group_add_secret)
1295
1296    def iscsi_auth_group_remove_secret(args):
1297        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1298
1299    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1300                              help='Remove a secret from an authentication group.')
1301    p.add_argument('tag', help='Authentication group tag', type=int)
1302    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1303    p.set_defaults(func=iscsi_auth_group_remove_secret)
1304
1305    def iscsi_get_auth_groups(args):
1306        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1307
1308    p = subparsers.add_parser('iscsi_get_auth_groups',
1309                              help='Display current authentication group configuration')
1310    p.set_defaults(func=iscsi_get_auth_groups)
1311
1312    def iscsi_get_portal_groups(args):
1313        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1314
1315    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1316    p.set_defaults(func=iscsi_get_portal_groups)
1317
1318    def iscsi_get_initiator_groups(args):
1319        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1320
1321    p = subparsers.add_parser('iscsi_get_initiator_groups',
1322                              help='Display current initiator group configuration')
1323    p.set_defaults(func=iscsi_get_initiator_groups)
1324
1325    def iscsi_get_target_nodes(args):
1326        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1327
1328    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1329    p.set_defaults(func=iscsi_get_target_nodes)
1330
1331    def iscsi_create_target_node(args):
1332        luns = []
1333        for u in args.bdev_name_id_pairs.strip().split(" "):
1334            bdev_name, lun_id = u.split(":")
1335            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1336
1337        pg_ig_maps = []
1338        for u in args.pg_ig_mappings.strip().split(" "):
1339            pg, ig = u.split(":")
1340            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1341
1342        rpc.iscsi.iscsi_create_target_node(
1343            args.client,
1344            luns=luns,
1345            pg_ig_maps=pg_ig_maps,
1346            name=args.name,
1347            alias_name=args.alias_name,
1348            queue_depth=args.queue_depth,
1349            chap_group=args.chap_group,
1350            disable_chap=args.disable_chap,
1351            require_chap=args.require_chap,
1352            mutual_chap=args.mutual_chap,
1353            header_digest=args.header_digest,
1354            data_digest=args.data_digest)
1355
1356    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1357    p.add_argument('name', help='Target node name (ASCII)')
1358    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1359    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1360    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1361    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1362    *** The bdevs must pre-exist ***
1363    *** LUN0 (id = 0) is required ***
1364    *** bdevs names cannot contain space or colon characters ***""")
1365    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1366    Whitespace separated, quoted, mapping defined with colon
1367    separated list of "tags" (int > 0)
1368    Example: '1:1 2:2 2:1'
1369    *** The Portal/Initiator Groups must be precreated ***""")
1370    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1371    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1372    *** Authentication group must be precreated ***""", type=int, default=0)
1373    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1374    *** Mutually exclusive with --require-chap ***""", action='store_true')
1375    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1376    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1377    p.add_argument(
1378        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1379    p.add_argument('-H', '--header-digest',
1380                   help='Header Digest should be required for this target node.', action='store_true')
1381    p.add_argument('-D', '--data-digest',
1382                   help='Data Digest should be required for this target node.', action='store_true')
1383    p.set_defaults(func=iscsi_create_target_node)
1384
1385    def iscsi_target_node_add_lun(args):
1386        rpc.iscsi.iscsi_target_node_add_lun(
1387            args.client,
1388            name=args.name,
1389            bdev_name=args.bdev_name,
1390            lun_id=args.lun_id)
1391
1392    p = subparsers.add_parser('iscsi_target_node_add_lun',
1393                              help='Add LUN to the target node')
1394    p.add_argument('name', help='Target node name (ASCII)')
1395    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1396    *** bdev name cannot contain space or colon characters ***""")
1397    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1398    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int, required=False)
1399    p.set_defaults(func=iscsi_target_node_add_lun)
1400
1401    def iscsi_target_node_set_auth(args):
1402        rpc.iscsi.iscsi_target_node_set_auth(
1403            args.client,
1404            name=args.name,
1405            chap_group=args.chap_group,
1406            disable_chap=args.disable_chap,
1407            require_chap=args.require_chap,
1408            mutual_chap=args.mutual_chap)
1409
1410    p = subparsers.add_parser('iscsi_target_node_set_auth',
1411                              help='Set CHAP authentication for the target node')
1412    p.add_argument('name', help='Target node name (ASCII)')
1413    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1414    *** Authentication group must be precreated ***""", type=int, default=0)
1415    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1416    *** Mutually exclusive with --require-chap ***""", action='store_true')
1417    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1418    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1419    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1420                   action='store_true')
1421    p.set_defaults(func=iscsi_target_node_set_auth)
1422
1423    def iscsi_target_node_add_pg_ig_maps(args):
1424        pg_ig_maps = []
1425        for u in args.pg_ig_mappings.strip().split(" "):
1426            pg, ig = u.split(":")
1427            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1428        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1429            args.client,
1430            pg_ig_maps=pg_ig_maps,
1431            name=args.name)
1432
1433    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1434                              help='Add PG-IG maps to the target node')
1435    p.add_argument('name', help='Target node name (ASCII)')
1436    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1437    Whitespace separated, quoted, mapping defined with colon
1438    separated list of "tags" (int > 0)
1439    Example: '1:1 2:2 2:1'
1440    *** The Portal/Initiator Groups must be precreated ***""")
1441    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1442
1443    def iscsi_target_node_remove_pg_ig_maps(args):
1444        pg_ig_maps = []
1445        for u in args.pg_ig_mappings.strip().split(" "):
1446            pg, ig = u.split(":")
1447            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1448        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1449            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1450
1451    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1452                              help='Delete PG-IG maps from the target node')
1453    p.add_argument('name', help='Target node name (ASCII)')
1454    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1455    Whitespace separated, quoted, mapping defined with colon
1456    separated list of "tags" (int > 0)
1457    Example: '1:1 2:2 2:1'
1458    *** The Portal/Initiator Groups must be precreated ***""")
1459    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1460
1461    def iscsi_target_node_set_redirect(args):
1462        rpc.iscsi.iscsi_target_node_set_redirect(
1463            args.client,
1464            name=args.name,
1465            pg_tag=args.pg_tag,
1466            redirect_host=args.redirect_host,
1467            redirect_port=args.redirect_port)
1468
1469    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1470                              help="""Update redirect portal of the public portal group for the target node.
1471    Omit redirect host and port to clear previously set redirect settings.""")
1472    p.add_argument('name', help='Target node name (ASCII)')
1473    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1474    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal', required=False)
1475    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal', required=False)
1476    p.set_defaults(func=iscsi_target_node_set_redirect)
1477
1478    def iscsi_target_node_request_logout(args):
1479        rpc.iscsi.iscsi_target_node_request_logout(
1480            args.client,
1481            name=args.name,
1482            pg_tag=args.pg_tag)
1483
1484    p = subparsers.add_parser('iscsi_target_node_request_logout',
1485                              help="""For the target node, request connections whose portal group tag
1486    match to logout, or request all connections if portal group tag is omitted.""")
1487    p.add_argument('name', help='Target node name (ASCII)')
1488    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int, required=False)
1489    p.set_defaults(func=iscsi_target_node_request_logout)
1490
1491    def iscsi_create_portal_group(args):
1492        portals = []
1493        for p in args.portal_list.strip().split(' '):
1494            ip, separator, port_cpumask = p.rpartition(':')
1495            split_port_cpumask = port_cpumask.split('@')
1496            if len(split_port_cpumask) == 1:
1497                port = port_cpumask
1498                portals.append({'host': ip, 'port': port})
1499            else:
1500                port = split_port_cpumask[0]
1501                cpumask = split_port_cpumask[1]
1502                portals.append({'host': ip, 'port': port})
1503                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1504        rpc.iscsi.iscsi_create_portal_group(
1505            args.client,
1506            portals=portals,
1507            tag=args.tag,
1508            private=args.private,
1509            wait=args.wait)
1510
1511    p = subparsers.add_parser('iscsi_create_portal_group',
1512                              help='Add a portal group')
1513    p.add_argument(
1514        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1515    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1516    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1517    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1518    Private portal groups do not have their portals returned by a discovery session. A public
1519    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1520    portal must be from a private portal group.""", action='store_true')
1521    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1522    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1523    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1524    p.set_defaults(func=iscsi_create_portal_group)
1525
1526    def iscsi_start_portal_group(args):
1527        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1528
1529    p = subparsers.add_parser('iscsi_start_portal_group',
1530                              help='Start listening on portals if it is not started yet.')
1531    p.add_argument(
1532        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1533    p.set_defaults(func=iscsi_start_portal_group)
1534
1535    def iscsi_create_initiator_group(args):
1536        initiators = []
1537        netmasks = []
1538        for i in args.initiator_list.strip().split(' '):
1539            initiators.append(i)
1540        for n in args.netmask_list.strip().split(' '):
1541            netmasks.append(n)
1542        rpc.iscsi.iscsi_create_initiator_group(
1543            args.client,
1544            tag=args.tag,
1545            initiators=initiators,
1546            netmasks=netmasks)
1547
1548    p = subparsers.add_parser('iscsi_create_initiator_group',
1549                              help='Add an initiator group')
1550    p.add_argument(
1551        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1552    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1553    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1554    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1555    Example: '255.255.0.0 255.248.0.0' etc""")
1556    p.set_defaults(func=iscsi_create_initiator_group)
1557
1558    def iscsi_initiator_group_add_initiators(args):
1559        initiators = None
1560        netmasks = None
1561        if args.initiator_list:
1562            initiators = []
1563            for i in args.initiator_list.strip().split(' '):
1564                initiators.append(i)
1565        if args.netmask_list:
1566            netmasks = []
1567            for n in args.netmask_list.strip().split(' '):
1568                netmasks.append(n)
1569        rpc.iscsi.iscsi_initiator_group_add_initiators(
1570            args.client,
1571            tag=args.tag,
1572            initiators=initiators,
1573            netmasks=netmasks)
1574
1575    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1576                              help='Add initiators to an existing initiator group')
1577    p.add_argument(
1578        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1579    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1580    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1581    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1582    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1583    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1584    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1585
1586    def iscsi_initiator_group_remove_initiators(args):
1587        initiators = None
1588        netmasks = None
1589        if args.initiator_list:
1590            initiators = []
1591            for i in args.initiator_list.strip().split(' '):
1592                initiators.append(i)
1593        if args.netmask_list:
1594            netmasks = []
1595            for n in args.netmask_list.strip().split(' '):
1596                netmasks.append(n)
1597        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1598            args.client,
1599            tag=args.tag,
1600            initiators=initiators,
1601            netmasks=netmasks)
1602
1603    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1604                              help='Delete initiators from an existing initiator group')
1605    p.add_argument(
1606        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1607    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1608    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1609    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1610    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1611    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1612    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1613
1614    def iscsi_delete_target_node(args):
1615        rpc.iscsi.iscsi_delete_target_node(
1616            args.client, target_node_name=args.target_node_name)
1617
1618    p = subparsers.add_parser('iscsi_delete_target_node',
1619                              help='Delete a target node')
1620    p.add_argument('target_node_name',
1621                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1622    p.set_defaults(func=iscsi_delete_target_node)
1623
1624    def iscsi_delete_portal_group(args):
1625        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1626
1627    p = subparsers.add_parser('iscsi_delete_portal_group',
1628                              help='Delete a portal group')
1629    p.add_argument(
1630        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1631    p.set_defaults(func=iscsi_delete_portal_group)
1632
1633    def iscsi_delete_initiator_group(args):
1634        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1635
1636    p = subparsers.add_parser('iscsi_delete_initiator_group',
1637                              help='Delete an initiator group')
1638    p.add_argument(
1639        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1640    p.set_defaults(func=iscsi_delete_initiator_group)
1641
1642    def iscsi_portal_group_set_auth(args):
1643        rpc.iscsi.iscsi_portal_group_set_auth(
1644            args.client,
1645            tag=args.tag,
1646            chap_group=args.chap_group,
1647            disable_chap=args.disable_chap,
1648            require_chap=args.require_chap,
1649            mutual_chap=args.mutual_chap)
1650
1651    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1652                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1653    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1654    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1655    *** Authentication group must be precreated ***""", type=int, default=0)
1656    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1657    *** Mutually exclusive with --require-chap ***""", action='store_true')
1658    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1659    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1660    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1661                   action='store_true')
1662    p.set_defaults(func=iscsi_portal_group_set_auth)
1663
1664    def iscsi_get_connections(args):
1665        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1666
1667    p = subparsers.add_parser('iscsi_get_connections',
1668                              help='Display iSCSI connections')
1669    p.set_defaults(func=iscsi_get_connections)
1670
1671    def iscsi_get_options(args):
1672        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1673
1674    p = subparsers.add_parser('iscsi_get_options',
1675                              help='Display iSCSI global parameters')
1676    p.set_defaults(func=iscsi_get_options)
1677
1678    def scsi_get_devices(args):
1679        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1680
1681    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1682    p.set_defaults(func=scsi_get_devices)
1683
1684    # trace
1685    def trace_enable_tpoint_group(args):
1686        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1687
1688    p = subparsers.add_parser('trace_enable_tpoint_group', aliases=['enable_tpoint_group'],
1689                              help='enable trace on a specific tpoint group')
1690    p.add_argument(
1691        'name', help="""trace group name we want to enable in tpoint_group_mask.
1692        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1693    p.set_defaults(func=trace_enable_tpoint_group)
1694
1695    def trace_disable_tpoint_group(args):
1696        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1697
1698    p = subparsers.add_parser('trace_disable_tpoint_group', aliases=['disable_tpoint_group'],
1699                              help='disable trace on a specific tpoint group')
1700    p.add_argument(
1701        'name', help="""trace group name we want to disable in tpoint_group_mask.
1702        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1703    p.set_defaults(func=trace_disable_tpoint_group)
1704
1705    def trace_set_tpoint_mask(args):
1706        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1707
1708    p = subparsers.add_parser('trace_set_tpoint_mask',
1709                              help='enable tracepoint mask on a specific tpoint group')
1710    p.add_argument(
1711        'name', help="""trace group name we want to enable in tpoint_group_mask.
1712        (for example "bdev" for bdev trace group)""")
1713    p.add_argument(
1714        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1715        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1716        type=lambda m: int(m, 16))
1717    p.set_defaults(func=trace_set_tpoint_mask)
1718
1719    def trace_clear_tpoint_mask(args):
1720        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1721
1722    p = subparsers.add_parser('trace_clear_tpoint_mask',
1723                              help='disable tracepoint mask on a specific tpoint group')
1724    p.add_argument(
1725        'name', help="""trace group name we want to disable in tpoint_group_mask.
1726        (for example "bdev" for bdev trace group)""")
1727    p.add_argument(
1728        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1729        (for example value of "0x3" will disable the first two tpoints in this group)""",
1730        type=lambda m: int(m, 16))
1731    p.set_defaults(func=trace_clear_tpoint_mask)
1732
1733    def trace_get_tpoint_group_mask(args):
1734        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1735
1736    p = subparsers.add_parser('trace_get_tpoint_group_mask', aliases=['get_tpoint_group_mask'],
1737                              help='get trace point group mask')
1738    p.set_defaults(func=trace_get_tpoint_group_mask)
1739
1740    # log
1741    def log_set_flag(args):
1742        rpc.log.log_set_flag(args.client, flag=args.flag)
1743
1744    p = subparsers.add_parser('log_set_flag', help='set log flag')
1745    p.add_argument(
1746        'flag', help='log flag we want to set. (for example "nvme").')
1747    p.set_defaults(func=log_set_flag)
1748
1749    def log_clear_flag(args):
1750        rpc.log.log_clear_flag(args.client, flag=args.flag)
1751
1752    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1753    p.add_argument(
1754        'flag', help='log flag we want to clear. (for example "nvme").')
1755    p.set_defaults(func=log_clear_flag)
1756
1757    def log_get_flags(args):
1758        print_dict(rpc.log.log_get_flags(args.client))
1759
1760    p = subparsers.add_parser('log_get_flags', help='get log flags')
1761    p.set_defaults(func=log_get_flags)
1762
1763    def log_set_level(args):
1764        rpc.log.log_set_level(args.client, level=args.level)
1765
1766    p = subparsers.add_parser('log_set_level', help='set log level')
1767    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1768    p.set_defaults(func=log_set_level)
1769
1770    def log_get_level(args):
1771        print_dict(rpc.log.log_get_level(args.client))
1772
1773    p = subparsers.add_parser('log_get_level', help='get log level')
1774    p.set_defaults(func=log_get_level)
1775
1776    def log_set_print_level(args):
1777        rpc.log.log_set_print_level(args.client, level=args.level)
1778
1779    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1780    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1781    p.set_defaults(func=log_set_print_level)
1782
1783    def log_get_print_level(args):
1784        print_dict(rpc.log.log_get_print_level(args.client))
1785
1786    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1787    p.set_defaults(func=log_get_print_level)
1788
1789    # lvol
1790    def bdev_lvol_create_lvstore(args):
1791        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1792                                                     bdev_name=args.bdev_name,
1793                                                     lvs_name=args.lvs_name,
1794                                                     cluster_sz=args.cluster_sz,
1795                                                     clear_method=args.clear_method))
1796
1797    p = subparsers.add_parser('bdev_lvol_create_lvstore', aliases=['construct_lvol_store'],
1798                              help='Add logical volume store on base bdev')
1799    p.add_argument('bdev_name', help='base bdev name')
1800    p.add_argument('lvs_name', help='name for lvol store')
1801    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
1802    p.add_argument('--clear-method', help="""Change clear method for data region.
1803        Available: none, unmap, write_zeroes""", required=False)
1804    p.set_defaults(func=bdev_lvol_create_lvstore)
1805
1806    def bdev_lvol_rename_lvstore(args):
1807        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1808                                          old_name=args.old_name,
1809                                          new_name=args.new_name)
1810
1811    p = subparsers.add_parser('bdev_lvol_rename_lvstore', aliases=['rename_lvol_store'],
1812                              help='Change logical volume store name')
1813    p.add_argument('old_name', help='old name')
1814    p.add_argument('new_name', help='new name')
1815    p.set_defaults(func=bdev_lvol_rename_lvstore)
1816
1817    def bdev_lvol_create(args):
1818        print_json(rpc.lvol.bdev_lvol_create(args.client,
1819                                             lvol_name=args.lvol_name,
1820                                             size=args.size * 1024 * 1024,
1821                                             thin_provision=args.thin_provision,
1822                                             clear_method=args.clear_method,
1823                                             uuid=args.uuid,
1824                                             lvs_name=args.lvs_name))
1825
1826    p = subparsers.add_parser('bdev_lvol_create', aliases=['construct_lvol_bdev'],
1827                              help='Add a bdev with an logical volume backend')
1828    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1829    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1830    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
1831    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
1832        Available: none, unmap, write_zeroes""", required=False)
1833    p.add_argument('lvol_name', help='name for this lvol')
1834    p.add_argument('size', help='size in MiB for this bdev', type=int)
1835    p.set_defaults(func=bdev_lvol_create)
1836
1837    def bdev_lvol_snapshot(args):
1838        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
1839                                               lvol_name=args.lvol_name,
1840                                               snapshot_name=args.snapshot_name))
1841
1842    p = subparsers.add_parser('bdev_lvol_snapshot', aliases=['snapshot_lvol_bdev'],
1843                              help='Create a snapshot of an lvol bdev')
1844    p.add_argument('lvol_name', help='lvol bdev name')
1845    p.add_argument('snapshot_name', help='lvol snapshot name')
1846    p.set_defaults(func=bdev_lvol_snapshot)
1847
1848    def bdev_lvol_clone(args):
1849        print_json(rpc.lvol.bdev_lvol_clone(args.client,
1850                                            snapshot_name=args.snapshot_name,
1851                                            clone_name=args.clone_name))
1852
1853    p = subparsers.add_parser('bdev_lvol_clone', aliases=['clone_lvol_bdev'],
1854                              help='Create a clone of an lvol snapshot')
1855    p.add_argument('snapshot_name', help='lvol snapshot name')
1856    p.add_argument('clone_name', help='lvol clone name')
1857    p.set_defaults(func=bdev_lvol_clone)
1858
1859    def bdev_lvol_rename(args):
1860        rpc.lvol.bdev_lvol_rename(args.client,
1861                                  old_name=args.old_name,
1862                                  new_name=args.new_name)
1863
1864    p = subparsers.add_parser('bdev_lvol_rename', aliases=['rename_lvol_bdev'],
1865                              help='Change lvol bdev name')
1866    p.add_argument('old_name', help='lvol bdev name')
1867    p.add_argument('new_name', help='new lvol name')
1868    p.set_defaults(func=bdev_lvol_rename)
1869
1870    def bdev_lvol_inflate(args):
1871        rpc.lvol.bdev_lvol_inflate(args.client,
1872                                   name=args.name)
1873
1874    p = subparsers.add_parser('bdev_lvol_inflate', aliases=['inflate_lvol_bdev'],
1875                              help='Make thin provisioned lvol a thick provisioned lvol')
1876    p.add_argument('name', help='lvol bdev name')
1877    p.set_defaults(func=bdev_lvol_inflate)
1878
1879    def bdev_lvol_decouple_parent(args):
1880        rpc.lvol.bdev_lvol_decouple_parent(args.client,
1881                                           name=args.name)
1882
1883    p = subparsers.add_parser('bdev_lvol_decouple_parent', aliases=['decouple_parent_lvol_bdev'],
1884                              help='Decouple parent of lvol')
1885    p.add_argument('name', help='lvol bdev name')
1886    p.set_defaults(func=bdev_lvol_decouple_parent)
1887
1888    def bdev_lvol_resize(args):
1889        rpc.lvol.bdev_lvol_resize(args.client,
1890                                  name=args.name,
1891                                  size=args.size * 1024 * 1024)
1892
1893    p = subparsers.add_parser('bdev_lvol_resize', aliases=['resize_lvol_bdev'],
1894                              help='Resize existing lvol bdev')
1895    p.add_argument('name', help='lvol bdev name')
1896    p.add_argument('size', help='new size in MiB for this bdev', type=int)
1897    p.set_defaults(func=bdev_lvol_resize)
1898
1899    def bdev_lvol_set_read_only(args):
1900        rpc.lvol.bdev_lvol_set_read_only(args.client,
1901                                         name=args.name)
1902
1903    p = subparsers.add_parser('bdev_lvol_set_read_only', aliases=['set_read_only_lvol_bdev'],
1904                              help='Mark lvol bdev as read only')
1905    p.add_argument('name', help='lvol bdev name')
1906    p.set_defaults(func=bdev_lvol_set_read_only)
1907
1908    def bdev_lvol_delete(args):
1909        rpc.lvol.bdev_lvol_delete(args.client,
1910                                  name=args.name)
1911
1912    p = subparsers.add_parser('bdev_lvol_delete', aliases=['destroy_lvol_bdev'],
1913                              help='Destroy a logical volume')
1914    p.add_argument('name', help='lvol bdev name')
1915    p.set_defaults(func=bdev_lvol_delete)
1916
1917    def bdev_lvol_delete_lvstore(args):
1918        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
1919                                          uuid=args.uuid,
1920                                          lvs_name=args.lvs_name)
1921
1922    p = subparsers.add_parser('bdev_lvol_delete_lvstore', aliases=['destroy_lvol_store'],
1923                              help='Destroy an logical volume store')
1924    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1925    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1926    p.set_defaults(func=bdev_lvol_delete_lvstore)
1927
1928    def bdev_lvol_get_lvstores(args):
1929        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
1930                                                   uuid=args.uuid,
1931                                                   lvs_name=args.lvs_name))
1932
1933    p = subparsers.add_parser('bdev_lvol_get_lvstores', aliases=['get_lvol_stores'],
1934                              help='Display current logical volume store list')
1935    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1936    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1937    p.set_defaults(func=bdev_lvol_get_lvstores)
1938
1939    def bdev_raid_get_bdevs(args):
1940        print_array(rpc.bdev.bdev_raid_get_bdevs(args.client,
1941                                                 category=args.category))
1942
1943    p = subparsers.add_parser('bdev_raid_get_bdevs', aliases=['get_raid_bdevs'],
1944                              help="""This is used to list all the raid bdev names based on the input category
1945    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
1946    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
1947    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
1948    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
1949    p.add_argument('category', help='all or online or configuring or offline')
1950    p.set_defaults(func=bdev_raid_get_bdevs)
1951
1952    def bdev_raid_create(args):
1953        base_bdevs = []
1954        for u in args.base_bdevs.strip().split(" "):
1955            base_bdevs.append(u)
1956
1957        rpc.bdev.bdev_raid_create(args.client,
1958                                  name=args.name,
1959                                  strip_size_kb=args.strip_size_kb,
1960                                  raid_level=args.raid_level,
1961                                  base_bdevs=base_bdevs)
1962    p = subparsers.add_parser('bdev_raid_create', aliases=['construct_raid_bdev'],
1963                              help='Create new raid bdev')
1964    p.add_argument('-n', '--name', help='raid bdev name', required=True)
1965    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
1966    p.add_argument('-r', '--raid-level', help='raid level, raid0 and a special level concat are supported', required=True)
1967    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
1968    p.set_defaults(func=bdev_raid_create)
1969
1970    def bdev_raid_delete(args):
1971        rpc.bdev.bdev_raid_delete(args.client,
1972                                  name=args.name)
1973    p = subparsers.add_parser('bdev_raid_delete', aliases=['destroy_raid_bdev'],
1974                              help='Delete existing raid bdev')
1975    p.add_argument('name', help='raid bdev name')
1976    p.set_defaults(func=bdev_raid_delete)
1977
1978    # split
1979    def bdev_split_create(args):
1980        print_array(rpc.bdev.bdev_split_create(args.client,
1981                                               base_bdev=args.base_bdev,
1982                                               split_count=args.split_count,
1983                                               split_size_mb=args.split_size_mb))
1984
1985    p = subparsers.add_parser('bdev_split_create', aliases=['construct_split_vbdev'],
1986                              help="""Add given disk name to split config. If bdev with base_name
1987    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
1988    available (during examination process).""")
1989    p.add_argument('base_bdev', help='base bdev name')
1990    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int, default=0)
1991    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
1992    exceed the base bdev size.""", type=int)
1993    p.set_defaults(func=bdev_split_create)
1994
1995    def bdev_split_delete(args):
1996        rpc.bdev.bdev_split_delete(args.client,
1997                                   base_bdev=args.base_bdev)
1998
1999    p = subparsers.add_parser('bdev_split_delete', aliases=['destruct_split_vbdev'],
2000                              help="""Delete split config with all created splits.""")
2001    p.add_argument('base_bdev', help='base bdev name')
2002    p.set_defaults(func=bdev_split_delete)
2003
2004    # ftl
2005    ftl_valid_limits = ('crit', 'high', 'low', 'start')
2006
2007    def bdev_ftl_create(args):
2008        def parse_limits(limits, arg_dict, key_suffix=''):
2009            for limit in limits.split(','):
2010                key, value = limit.split(':', 1)
2011                if key in ftl_valid_limits:
2012                    arg_dict['limit_' + key + key_suffix] = int(value)
2013                else:
2014                    raise ValueError('Limit {} is not supported'.format(key))
2015
2016        arg_limits = {}
2017        if args.limit_threshold:
2018            parse_limits(args.limit_threshold, arg_limits, '_threshold')
2019
2020        if args.limit:
2021            parse_limits(args.limit, arg_limits)
2022
2023        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2024                                            name=args.name,
2025                                            base_bdev=args.base_bdev,
2026                                            uuid=args.uuid,
2027                                            cache=args.cache,
2028                                            allow_open_bands=args.allow_open_bands,
2029                                            overprovisioning=args.overprovisioning,
2030                                            l2p_path=args.l2p_path,
2031                                            use_append=args.use_append,
2032                                            **arg_limits))
2033
2034    p = subparsers.add_parser('bdev_ftl_create', aliases=['construct_ftl_bdev'], help='Add FTL bdev')
2035    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2036    p.add_argument('-d', '--base-bdev', help='Name of zoned bdev used as underlying device',
2037                   required=True)
2038    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2039                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2040    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache (optional)')
2041    p.add_argument('-o', '--allow-open-bands', help='Restoring after dirty shutdown without cache will'
2042                   ' result in partial data recovery, instead of error', action='store_true')
2043    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2044                   ' to user (optional)', type=int)
2045    p.add_argument('--l2p-path', help='Path to persistent memory file or device to store l2p onto, '
2046                                      'by default l2p is kept in DRAM and is volatile (optional)')
2047    p.add_argument('--use-append', help='Use appends instead of writes', action='store_true')
2048
2049    limits = p.add_argument_group('Defrag limits', 'Configures defrag limits and thresholds for'
2050                                  ' levels ' + str(ftl_valid_limits)[1:-1])
2051    limits.add_argument('--limit', help='Percentage of allowed user versus internal writes at given'
2052                        ' levels, e.g. crit:0,high:20,low:80')
2053    limits.add_argument('--limit-threshold', help='Number of free bands triggering a given level of'
2054                        ' write limiting e.g. crit:1,high:2,low:3,start:4')
2055    p.set_defaults(func=bdev_ftl_create)
2056
2057    def bdev_ftl_delete(args):
2058        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name))
2059
2060    p = subparsers.add_parser('bdev_ftl_delete', aliases=['delete_ftl_bdev'],
2061                              help='Delete FTL bdev')
2062    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2063    p.set_defaults(func=bdev_ftl_delete)
2064
2065    # vmd
2066    def enable_vmd(args):
2067        print_dict(rpc.vmd.enable_vmd(args.client))
2068
2069    p = subparsers.add_parser('enable_vmd', help='Enable VMD enumeration')
2070    p.set_defaults(func=enable_vmd)
2071
2072    # nbd
2073    def nbd_start_disk(args):
2074        print(rpc.nbd.nbd_start_disk(args.client,
2075                                     bdev_name=args.bdev_name,
2076                                     nbd_device=args.nbd_device))
2077
2078    p = subparsers.add_parser('nbd_start_disk',
2079                              help='Export a bdev as an nbd disk')
2080    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2081    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2082    p.set_defaults(func=nbd_start_disk)
2083
2084    def nbd_stop_disk(args):
2085        rpc.nbd.nbd_stop_disk(args.client,
2086                              nbd_device=args.nbd_device)
2087
2088    p = subparsers.add_parser('nbd_stop_disk',
2089                              help='Stop an nbd disk')
2090    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2091    p.set_defaults(func=nbd_stop_disk)
2092
2093    def nbd_get_disks(args):
2094        print_dict(rpc.nbd.nbd_get_disks(args.client,
2095                                         nbd_device=args.nbd_device))
2096
2097    p = subparsers.add_parser('nbd_get_disks',
2098                              help='Display full or specified nbd device list')
2099    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0", required=False)
2100    p.set_defaults(func=nbd_get_disks)
2101
2102    # NVMe-oF
2103    def nvmf_set_max_subsystems(args):
2104        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2105                                         max_subsystems=args.max_subsystems)
2106
2107    p = subparsers.add_parser('nvmf_set_max_subsystems',
2108                              help='Set the maximum number of NVMf target subsystems')
2109    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2110    p.set_defaults(func=nvmf_set_max_subsystems)
2111
2112    def nvmf_set_config(args):
2113        rpc.nvmf.nvmf_set_config(args.client,
2114                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2115                                 poll_groups_mask=args.poll_groups_mask,
2116                                 discovery_filter=args.discovery_filter)
2117
2118    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2119    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2120    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2121    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2122    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2123         comma separated values: `transport`, `address`, `svcid`""", type=str)
2124    p.set_defaults(func=nvmf_set_config)
2125
2126    def nvmf_create_transport(args):
2127        rpc.nvmf.nvmf_create_transport(**vars(args))
2128
2129    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2130    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2131    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2132    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2133    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2134    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2135    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2136    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2137    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2138    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2139    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2140    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2141    underlying bdev supports them''')
2142    p.add_argument('-d', '--num-cqe', help="""The number of CQ entires. Only used when no_srq=true.
2143    Relevant only for RDMA transport""", type=int)
2144    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2145    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2146    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2147    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2148    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2149    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2150    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2151    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2152    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2153    Relevant only for TCP transport""", type=int)
2154    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2155    Relevant only for VFIO-USER transport""")
2156    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2157    Relevant only for VFIO-USER transport""")
2158    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2159    Relevant only for VFIO-USER transport""")
2160    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2161    p.set_defaults(func=nvmf_create_transport)
2162
2163    def nvmf_get_transports(args):
2164        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2165
2166    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2167    p.add_argument('--trtype', help='Transport type (optional)')
2168    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2169    p.set_defaults(func=nvmf_get_transports)
2170
2171    def nvmf_get_subsystems(args):
2172        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2173
2174    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2175    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?", default=None)
2176    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2177    p.set_defaults(func=nvmf_get_subsystems)
2178
2179    def nvmf_create_subsystem(args):
2180        rpc.nvmf.nvmf_create_subsystem(args.client,
2181                                       nqn=args.nqn,
2182                                       tgt_name=args.tgt_name,
2183                                       serial_number=args.serial_number,
2184                                       model_number=args.model_number,
2185                                       allow_any_host=args.allow_any_host,
2186                                       max_namespaces=args.max_namespaces,
2187                                       ana_reporting=args.ana_reporting,
2188                                       min_cntlid=args.min_cntlid,
2189                                       max_cntlid=args.max_cntlid)
2190
2191    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2192    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2193    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2194    p.add_argument("-s", "--serial-number", help="""
2195    Format:  'sn' etc
2196    Example: 'SPDK00000000000001'""", default='00000000000000000000')
2197    p.add_argument("-d", "--model-number", help="""
2198    Format:  'mn' etc
2199    Example: 'SPDK Controller'""", default='SPDK bdev Controller')
2200    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2201    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2202                   type=int, default=0)
2203    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2204    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int, default=1)
2205    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int, default=0xffef)
2206    p.set_defaults(func=nvmf_create_subsystem)
2207
2208    def nvmf_delete_subsystem(args):
2209        rpc.nvmf.nvmf_delete_subsystem(args.client,
2210                                       nqn=args.subsystem_nqn,
2211                                       tgt_name=args.tgt_name)
2212
2213    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2214    p.add_argument('subsystem_nqn',
2215                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2216    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2217    p.set_defaults(func=nvmf_delete_subsystem)
2218
2219    def nvmf_subsystem_add_listener(args):
2220        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2221
2222    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2223    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2224    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2225    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2226    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2227    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2228    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2229    p.set_defaults(func=nvmf_subsystem_add_listener)
2230
2231    def nvmf_subsystem_remove_listener(args):
2232        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2233                                                nqn=args.nqn,
2234                                                trtype=args.trtype,
2235                                                traddr=args.traddr,
2236                                                tgt_name=args.tgt_name,
2237                                                adrfam=args.adrfam,
2238                                                trsvcid=args.trsvcid)
2239
2240    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2241    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2242    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2243    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2244    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2245    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2246    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2247    p.set_defaults(func=nvmf_subsystem_remove_listener)
2248
2249    def nvmf_subsystem_listener_set_ana_state(args):
2250        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2251                                                       nqn=args.nqn,
2252                                                       ana_state=args.ana_state,
2253                                                       trtype=args.trtype,
2254                                                       traddr=args.traddr,
2255                                                       tgt_name=args.tgt_name,
2256                                                       adrfam=args.adrfam,
2257                                                       trsvcid=args.trsvcid,
2258                                                       anagrpid=args.anagrpid)
2259
2260    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2261    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2262    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2263    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2264    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2265    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2266    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2267    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2268    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2269    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2270
2271    def nvmf_subsystem_add_ns(args):
2272        rpc.nvmf.nvmf_subsystem_add_ns(args.client,
2273                                       nqn=args.nqn,
2274                                       bdev_name=args.bdev_name,
2275                                       tgt_name=args.tgt_name,
2276                                       ptpl_file=args.ptpl_file,
2277                                       nsid=args.nsid,
2278                                       nguid=args.nguid,
2279                                       eui64=args.eui64,
2280                                       uuid=args.uuid,
2281                                       anagrpid=args.anagrpid)
2282
2283    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2284    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2285    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2286    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2287    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2288    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2289    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2290    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2291    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2292    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2293    p.set_defaults(func=nvmf_subsystem_add_ns)
2294
2295    def nvmf_subsystem_remove_ns(args):
2296        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2297                                          nqn=args.nqn,
2298                                          nsid=args.nsid,
2299                                          tgt_name=args.tgt_name)
2300
2301    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2302    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2303    p.add_argument('nsid', help='The requested NSID', type=int)
2304    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2305    p.set_defaults(func=nvmf_subsystem_remove_ns)
2306
2307    def nvmf_subsystem_add_host(args):
2308        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2309                                         nqn=args.nqn,
2310                                         host=args.host,
2311                                         tgt_name=args.tgt_name)
2312
2313    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2314    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2315    p.add_argument('host', help='Host NQN to allow')
2316    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2317    p.set_defaults(func=nvmf_subsystem_add_host)
2318
2319    def nvmf_subsystem_remove_host(args):
2320        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2321                                            nqn=args.nqn,
2322                                            host=args.host,
2323                                            tgt_name=args.tgt_name)
2324
2325    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2326    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2327    p.add_argument('host', help='Host NQN to remove')
2328    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2329    p.set_defaults(func=nvmf_subsystem_remove_host)
2330
2331    def nvmf_subsystem_allow_any_host(args):
2332        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2333                                               nqn=args.nqn,
2334                                               disable=args.disable,
2335                                               tgt_name=args.tgt_name)
2336
2337    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2338    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2339    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2340    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2341    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2342    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2343
2344    def nvmf_subsystem_get_controllers(args):
2345        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2346                                                           nqn=args.nqn,
2347                                                           tgt_name=args.tgt_name))
2348
2349    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2350                              help='Display controllers of an NVMe-oF subsystem.')
2351    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2352    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2353    p.set_defaults(func=nvmf_subsystem_get_controllers)
2354
2355    def nvmf_subsystem_get_qpairs(args):
2356        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2357                                                      nqn=args.nqn,
2358                                                      tgt_name=args.tgt_name))
2359
2360    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2361                              help='Display queue pairs of an NVMe-oF subsystem.')
2362    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2363    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2364    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2365
2366    def nvmf_subsystem_get_listeners(args):
2367        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2368                                                         nqn=args.nqn,
2369                                                         tgt_name=args.tgt_name))
2370
2371    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2372                              help='Display listeners of an NVMe-oF subsystem.')
2373    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2374    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2375    p.set_defaults(func=nvmf_subsystem_get_listeners)
2376
2377    def nvmf_get_stats(args):
2378        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2379
2380    p = subparsers.add_parser(
2381        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2382    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2383    p.set_defaults(func=nvmf_get_stats)
2384
2385    def nvmf_set_crdt(args):
2386        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2387
2388    p = subparsers.add_parser(
2389        'nvmf_set_crdt',
2390        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2391        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2392    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2393    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2394    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2395    p.set_defaults(func=nvmf_set_crdt)
2396
2397    # pmem
2398    def bdev_pmem_create_pool(args):
2399        num_blocks = int((args.total_size * 1024 * 1024) / args.block_size)
2400        rpc.pmem.bdev_pmem_create_pool(args.client,
2401                                       pmem_file=args.pmem_file,
2402                                       num_blocks=num_blocks,
2403                                       block_size=args.block_size)
2404
2405    p = subparsers.add_parser('bdev_pmem_create_pool', aliases=['create_pmem_pool'],
2406                              help='Create pmem pool')
2407    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2408    p.add_argument('total_size', help='Size of pmem bdev in MB (int > 0)', type=int)
2409    p.add_argument('block_size', help='Block size for this pmem pool', type=int)
2410    p.set_defaults(func=bdev_pmem_create_pool)
2411
2412    def bdev_pmem_get_pool_info(args):
2413        print_dict(rpc.pmem.bdev_pmem_get_pool_info(args.client,
2414                                                    pmem_file=args.pmem_file))
2415
2416    p = subparsers.add_parser('bdev_pmem_get_pool_info', aliases=['pmem_pool_info'],
2417                              help='Display pmem pool info and check consistency')
2418    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2419    p.set_defaults(func=bdev_pmem_get_pool_info)
2420
2421    def bdev_pmem_delete_pool(args):
2422        rpc.pmem.bdev_pmem_delete_pool(args.client,
2423                                       pmem_file=args.pmem_file)
2424
2425    p = subparsers.add_parser('bdev_pmem_delete_pool', aliases=['delete_pmem_pool'],
2426                              help='Delete pmem pool')
2427    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2428    p.set_defaults(func=bdev_pmem_delete_pool)
2429
2430    # subsystem
2431    def framework_get_subsystems(args):
2432        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2433
2434    p = subparsers.add_parser('framework_get_subsystems', aliases=['get_subsystems'],
2435                              help="""Print subsystems array in initialization order. Each subsystem
2436    entry contain (unsorted) array of subsystems it depends on.""")
2437    p.set_defaults(func=framework_get_subsystems)
2438
2439    def framework_get_config(args):
2440        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2441
2442    p = subparsers.add_parser('framework_get_config', aliases=['get_subsystem_config'],
2443                              help="""Print subsystem configuration""")
2444    p.add_argument('name', help='Name of subsystem to query')
2445    p.set_defaults(func=framework_get_config)
2446
2447    # vhost
2448    def vhost_controller_set_coalescing(args):
2449        rpc.vhost.vhost_controller_set_coalescing(args.client,
2450                                                  ctrlr=args.ctrlr,
2451                                                  delay_base_us=args.delay_base_us,
2452                                                  iops_threshold=args.iops_threshold)
2453
2454    p = subparsers.add_parser('vhost_controller_set_coalescing', aliases=['set_vhost_controller_coalescing'],
2455                              help='Set vhost controller coalescing')
2456    p.add_argument('ctrlr', help='controller name')
2457    p.add_argument('delay_base_us', help='Base delay time', type=int)
2458    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2459    p.set_defaults(func=vhost_controller_set_coalescing)
2460
2461    def vhost_create_scsi_controller(args):
2462        rpc.vhost.vhost_create_scsi_controller(args.client,
2463                                               ctrlr=args.ctrlr,
2464                                               cpumask=args.cpumask)
2465
2466    p = subparsers.add_parser(
2467        'vhost_create_scsi_controller', aliases=['construct_vhost_scsi_controller'],
2468        help='Add new vhost controller')
2469    p.add_argument('ctrlr', help='controller name')
2470    p.add_argument('--cpumask', help='cpu mask for this controller')
2471    p.set_defaults(func=vhost_create_scsi_controller)
2472
2473    def vhost_scsi_controller_add_target(args):
2474        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2475                                                              ctrlr=args.ctrlr,
2476                                                              scsi_target_num=args.scsi_target_num,
2477                                                              bdev_name=args.bdev_name))
2478
2479    p = subparsers.add_parser('vhost_scsi_controller_add_target',
2480                              aliases=['add_vhost_scsi_lun'],
2481                              help='Add lun to vhost controller')
2482    p.add_argument('ctrlr', help='controller name where add lun')
2483    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2484    p.add_argument('bdev_name', help='bdev name')
2485    p.set_defaults(func=vhost_scsi_controller_add_target)
2486
2487    def vhost_scsi_controller_remove_target(args):
2488        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2489                                                      ctrlr=args.ctrlr,
2490                                                      scsi_target_num=args.scsi_target_num)
2491
2492    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2493                              aliases=['remove_vhost_scsi_target'],
2494                              help='Remove target from vhost controller')
2495    p.add_argument('ctrlr', help='controller name to remove target from')
2496    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2497    p.set_defaults(func=vhost_scsi_controller_remove_target)
2498
2499    def vhost_create_blk_controller(args):
2500        rpc.vhost.vhost_create_blk_controller(args.client,
2501                                              ctrlr=args.ctrlr,
2502                                              dev_name=args.dev_name,
2503                                              cpumask=args.cpumask,
2504                                              readonly=args.readonly,
2505                                              packed_ring=args.packed_ring,
2506                                              packed_ring_recovery=args.packed_ring_recovery)
2507
2508    p = subparsers.add_parser('vhost_create_blk_controller',
2509                              aliases=['construct_vhost_blk_controller'],
2510                              help='Add a new vhost block controller')
2511    p.add_argument('ctrlr', help='controller name')
2512    p.add_argument('dev_name', help='device name')
2513    p.add_argument('--cpumask', help='cpu mask for this controller')
2514    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2515    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2516    p.add_argument("-l", "--packed_ring_recovery", action='store_true', help='Enable packed ring live recovery')
2517    p.set_defaults(func=vhost_create_blk_controller)
2518
2519    def vhost_get_controllers(args):
2520        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2521
2522    p = subparsers.add_parser('vhost_get_controllers', aliases=['get_vhost_controllers'],
2523                              help='List all or specific vhost controller(s)')
2524    p.add_argument('-n', '--name', help="Name of vhost controller", required=False)
2525    p.set_defaults(func=vhost_get_controllers)
2526
2527    def vhost_delete_controller(args):
2528        rpc.vhost.vhost_delete_controller(args.client,
2529                                          ctrlr=args.ctrlr)
2530
2531    p = subparsers.add_parser('vhost_delete_controller', aliases=['remove_vhost_controller'],
2532                              help='Delete a vhost controller')
2533    p.add_argument('ctrlr', help='controller name')
2534    p.set_defaults(func=vhost_delete_controller)
2535
2536    def bdev_virtio_attach_controller(args):
2537        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2538                                                            name=args.name,
2539                                                            trtype=args.trtype,
2540                                                            traddr=args.traddr,
2541                                                            dev_type=args.dev_type,
2542                                                            vq_count=args.vq_count,
2543                                                            vq_size=args.vq_size))
2544
2545    p = subparsers.add_parser('bdev_virtio_attach_controller', aliases=['construct_virtio_dev'],
2546                              help="""Attach virtio controller using provided
2547    transport type and device type. This will also create bdevs for any block devices connected to the
2548    controller (for example, SCSI devices for a virtio-scsi controller).
2549    Result is array of added bdevs.""")
2550    p.add_argument('name', help="Use this name as base for new created bdevs")
2551    p.add_argument('-t', '--trtype',
2552                   help='Virtio target transport type: pci or user', required=True)
2553    p.add_argument('-a', '--traddr',
2554                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2555    p.add_argument('-d', '--dev-type',
2556                   help='Device type: blk or scsi', required=True)
2557    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2558    p.add_argument('--vq-size', help='Size of each queue', type=int)
2559    p.set_defaults(func=bdev_virtio_attach_controller)
2560
2561    def bdev_virtio_scsi_get_devices(args):
2562        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2563
2564    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', aliases=['get_virtio_scsi_devs'],
2565                              help='List all Virtio-SCSI devices.')
2566    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2567
2568    def bdev_virtio_detach_controller(args):
2569        rpc.vhost.bdev_virtio_detach_controller(args.client,
2570                                                name=args.name)
2571
2572    p = subparsers.add_parser('bdev_virtio_detach_controller', aliases=['remove_virtio_bdev'],
2573                              help="""Remove a Virtio device
2574    This will delete all bdevs exposed by this device""")
2575    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2576    p.set_defaults(func=bdev_virtio_detach_controller)
2577
2578    def bdev_virtio_blk_set_hotplug(args):
2579        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2580
2581    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2582    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2583    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2584    p.add_argument('-r', '--period-us',
2585                   help='How often the hotplug is processed for insert and remove events', type=int)
2586    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2587
2588    # ioat
2589    def ioat_scan_accel_engine(args):
2590        rpc.ioat.ioat_scan_accel_engine(args.client)
2591
2592    p = subparsers.add_parser('ioat_scan_accel_engine',
2593                              aliases=['ioat_scan_copy_engine', 'scan_ioat_copy_engine'],
2594                              help='Enable IOAT accel engine offload.')
2595    p.set_defaults(func=ioat_scan_accel_engine)
2596
2597    # idxd
2598    def idxd_scan_accel_engine(args):
2599        rpc.idxd.idxd_scan_accel_engine(args.client, config_kernel_mode=args.config_kernel_mode)
2600
2601    p = subparsers.add_parser('idxd_scan_accel_engine',
2602                              help='Set config and enable idxd accel engine offload.')
2603    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode idxd',
2604                   action='store_true', dest='config_kernel_mode')
2605    p.set_defaults(func=idxd_scan_accel_engine, config_kernel_mode=None)
2606
2607    # opal
2608    def bdev_nvme_opal_init(args):
2609        rpc.nvme.bdev_nvme_opal_init(args.client,
2610                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
2611                                     password=args.password)
2612
2613    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
2614    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2615    p.add_argument('-p', '--password', help='password for admin')
2616    p.set_defaults(func=bdev_nvme_opal_init)
2617
2618    def bdev_nvme_opal_revert(args):
2619        rpc.nvme.bdev_nvme_opal_revert(args.client,
2620                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
2621                                       password=args.password)
2622    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
2623    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2624    p.add_argument('-p', '--password', help='password')
2625    p.set_defaults(func=bdev_nvme_opal_revert)
2626
2627    def bdev_opal_create(args):
2628        print_json(rpc.bdev.bdev_opal_create(args.client,
2629                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
2630                                             nsid=args.nsid,
2631                                             locking_range_id=args.locking_range_id,
2632                                             range_start=args.range_start,
2633                                             range_length=args.range_length,
2634                                             password=args.password))
2635
2636    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
2637    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
2638    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
2639    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
2640    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
2641    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
2642    p.add_argument('-p', '--password', help='admin password', required=True)
2643    p.set_defaults(func=bdev_opal_create)
2644
2645    def bdev_opal_get_info(args):
2646        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
2647                                               bdev_name=args.bdev_name,
2648                                               password=args.password))
2649
2650    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
2651    p.add_argument('-b', '--bdev-name', help='opal bdev')
2652    p.add_argument('-p', '--password', help='password')
2653    p.set_defaults(func=bdev_opal_get_info)
2654
2655    def bdev_opal_delete(args):
2656        rpc.bdev.bdev_opal_delete(args.client,
2657                                  bdev_name=args.bdev_name,
2658                                  password=args.password)
2659
2660    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
2661    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
2662    p.add_argument('-p', '--password', help='admin password', required=True)
2663    p.set_defaults(func=bdev_opal_delete)
2664
2665    def bdev_opal_new_user(args):
2666        rpc.bdev.bdev_opal_new_user(args.client,
2667                                    bdev_name=args.bdev_name,
2668                                    admin_password=args.admin_password,
2669                                    user_id=args.user_id,
2670                                    user_password=args.user_password)
2671
2672    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
2673    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2674    p.add_argument('-p', '--admin-password', help='admin password', required=True)
2675    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
2676    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
2677    p.set_defaults(func=bdev_opal_new_user)
2678
2679    def bdev_opal_set_lock_state(args):
2680        rpc.bdev.bdev_opal_set_lock_state(args.client,
2681                                          bdev_name=args.bdev_name,
2682                                          user_id=args.user_id,
2683                                          password=args.password,
2684                                          lock_state=args.lock_state)
2685
2686    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
2687    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2688    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',
2689                   type=int, required=True)
2690    p.add_argument('-p', '--password', help='password of this user', required=True)
2691    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
2692    p.set_defaults(func=bdev_opal_set_lock_state)
2693
2694    # bdev_nvme_send_cmd
2695    def bdev_nvme_send_cmd(args):
2696        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
2697                                               name=args.nvme_name,
2698                                               cmd_type=args.cmd_type,
2699                                               data_direction=args.data_direction,
2700                                               cmdbuf=args.cmdbuf,
2701                                               data=args.data,
2702                                               metadata=args.metadata,
2703                                               data_len=args.data_length,
2704                                               metadata_len=args.metadata_length,
2705                                               timeout_ms=args.timeout_ms))
2706
2707    p = subparsers.add_parser('bdev_nvme_send_cmd', aliases=['send_nvme_cmd'],
2708                              help='NVMe passthrough cmd.')
2709    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
2710    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
2711    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
2712    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
2713    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
2714    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
2715    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
2716    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
2717    p.add_argument('-T', '--timeout-ms',
2718                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int, default=0)
2719    p.set_defaults(func=bdev_nvme_send_cmd)
2720
2721    # Notifications
2722    def notify_get_types(args):
2723        print_dict(rpc.notify.notify_get_types(args.client))
2724
2725    p = subparsers.add_parser('notify_get_types', aliases=['get_notification_types'],
2726                              help='List available notifications that user can subscribe to.')
2727    p.set_defaults(func=notify_get_types)
2728
2729    def notify_get_notifications(args):
2730        ret = rpc.notify.notify_get_notifications(args.client,
2731                                                  id=args.id,
2732                                                  max=args.max)
2733        print_dict(ret)
2734
2735    p = subparsers.add_parser('notify_get_notifications', aliases=['get_notifications'],
2736                              help='Get notifications')
2737    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
2738    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
2739    p.set_defaults(func=notify_get_notifications)
2740
2741    def thread_get_stats(args):
2742        print_dict(rpc.app.thread_get_stats(args.client))
2743
2744    p = subparsers.add_parser(
2745        'thread_get_stats', help='Display current statistics of all the threads')
2746    p.set_defaults(func=thread_get_stats)
2747
2748    def thread_set_cpumask(args):
2749        ret = rpc.app.thread_set_cpumask(args.client,
2750                                         id=args.id,
2751                                         cpumask=args.cpumask)
2752    p = subparsers.add_parser('thread_set_cpumask',
2753                              help="""set the cpumask of the thread whose ID matches to the
2754    specified value. The thread may be migrated to one of the specified CPUs.""")
2755    p.add_argument('-i', '--id', type=int, help='thread ID')
2756    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
2757    p.set_defaults(func=thread_set_cpumask)
2758
2759    def log_enable_timestamps(args):
2760        ret = rpc.app.log_enable_timestamps(args.client,
2761                                            enabled=args.enabled)
2762    p = subparsers.add_parser('log_enable_timestamps',
2763                              help='Enable or disable timestamps.')
2764    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
2765    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
2766    p.set_defaults(func=log_enable_timestamps)
2767
2768    def thread_get_pollers(args):
2769        print_dict(rpc.app.thread_get_pollers(args.client))
2770
2771    p = subparsers.add_parser(
2772        'thread_get_pollers', help='Display current pollers of all the threads')
2773    p.set_defaults(func=thread_get_pollers)
2774
2775    def thread_get_io_channels(args):
2776        print_dict(rpc.app.thread_get_io_channels(args.client))
2777
2778    p = subparsers.add_parser(
2779        'thread_get_io_channels', help='Display current IO channels of all the threads')
2780    p.set_defaults(func=thread_get_io_channels)
2781
2782    def env_dpdk_get_mem_stats(args):
2783        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
2784
2785    p = subparsers.add_parser(
2786        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
2787    p.set_defaults(func=env_dpdk_get_mem_stats)
2788
2789    # blobfs
2790    def blobfs_detect(args):
2791        print(rpc.blobfs.blobfs_detect(args.client,
2792                                       bdev_name=args.bdev_name))
2793
2794    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
2795    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
2796    p.set_defaults(func=blobfs_detect)
2797
2798    def blobfs_create(args):
2799        print(rpc.blobfs.blobfs_create(args.client,
2800                                       bdev_name=args.bdev_name,
2801                                       cluster_sz=args.cluster_sz))
2802
2803    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
2804    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
2805    p.add_argument('-c', '--cluster-sz',
2806                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
2807    p.set_defaults(func=blobfs_create)
2808
2809    def blobfs_mount(args):
2810        print(rpc.blobfs.blobfs_mount(args.client,
2811                                      bdev_name=args.bdev_name,
2812                                      mountpoint=args.mountpoint))
2813
2814    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
2815    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
2816    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
2817    p.set_defaults(func=blobfs_mount)
2818
2819    def blobfs_set_cache_size(args):
2820        print(rpc.blobfs.blobfs_set_cache_size(args.client,
2821                                               size_in_mb=args.size_in_mb))
2822
2823    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
2824    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
2825    p.set_defaults(func=blobfs_set_cache_size)
2826
2827    # sock
2828    def sock_impl_get_options(args):
2829        print_json(rpc.sock.sock_impl_get_options(args.client,
2830                                                  impl_name=args.impl))
2831
2832    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
2833    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2834    p.set_defaults(func=sock_impl_get_options)
2835
2836    def sock_impl_set_options(args):
2837        rpc.sock.sock_impl_set_options(args.client,
2838                                       impl_name=args.impl,
2839                                       recv_buf_size=args.recv_buf_size,
2840                                       send_buf_size=args.send_buf_size,
2841                                       enable_recv_pipe=args.enable_recv_pipe,
2842                                       enable_quickack=args.enable_quickack,
2843                                       enable_placement_id=args.enable_placement_id,
2844                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
2845                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
2846                                       zerocopy_threshold=args.zerocopy_threshold)
2847
2848    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
2849    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2850    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
2851    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
2852    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
2853    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
2854                   action='store_true', dest='enable_recv_pipe')
2855    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
2856                   action='store_false', dest='enable_recv_pipe')
2857    p.add_argument('--enable-quickack', help='Enable quick ACK',
2858                   action='store_true', dest='enable_quickack')
2859    p.add_argument('--disable-quickack', help='Disable quick ACK',
2860                   action='store_false', dest='enable_quickack')
2861    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
2862                   action='store_true', dest='enable_zerocopy_send_server')
2863    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
2864                   action='store_false', dest='enable_zerocopy_send_server')
2865    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
2866                   action='store_true', dest='enable_zerocopy_send_client')
2867    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
2868                   action='store_false', dest='enable_zerocopy_send_client')
2869    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes',
2870                   action='store_true', dest='zerocopy_threshold')
2871    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
2872                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
2873                   zerocopy_threshold=None)
2874
2875    def sock_set_default_impl(args):
2876        print_json(rpc.sock.sock_set_default_impl(args.client,
2877                                                  impl_name=args.impl))
2878
2879    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
2880    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2881    p.set_defaults(func=sock_set_default_impl)
2882
2883    def framework_get_pci_devices(args):
2884        def splitbuf(buf, step):
2885            return [buf[i:i+step] for i in range(0, len(buf), step)]
2886
2887        devices = rpc.subsystem.framework_get_pci_devices(args.client)
2888        if not args.format_lspci:
2889            print_json(devices)
2890        else:
2891            for devid, dev in enumerate(devices):
2892                print('{} device #{}'.format(dev['address'], devid))
2893                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
2894                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
2895                print()
2896
2897    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
2898    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
2899                   action='store_true')
2900    p.set_defaults(func=framework_get_pci_devices)
2901
2902    # bdev_nvme_add_error_injection
2903    def bdev_nvme_add_error_injection(args):
2904        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
2905                                                          name=args.nvme_name,
2906                                                          cmd_type=args.cmd_type,
2907                                                          opc=args.opc,
2908                                                          do_not_submit=args.do_not_submit,
2909                                                          timeout_in_us=args.timeout_in_us,
2910                                                          err_count=args.err_count,
2911                                                          sct=args.sct,
2912                                                          sc=args.sc))
2913    p = subparsers.add_parser('bdev_nvme_add_error_injection',
2914                              help='Add a NVMe command error injection.')
2915    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
2916    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
2917    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
2918    p.add_argument('-s', '--do-not-submit',
2919                   help="""Set to true if request should not be submitted to the controller (default false)""",
2920                   default=False, dest="do_not_submit", action='store_true')
2921    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
2922    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors (default 1)""", type=int, default=1)
2923    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
2924    p.add_argument('-c', '--sc', help="""Status code""", type=int)
2925    p.set_defaults(func=bdev_nvme_add_error_injection)
2926
2927    # bdev_nvme_remove_error_injection
2928    def bdev_nvme_remove_error_injection(args):
2929        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
2930                                                             name=args.nvme_name,
2931                                                             cmd_type=args.cmd_type,
2932                                                             opc=args.opc))
2933    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
2934                              help='Removes a NVMe command error injection.')
2935    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
2936    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
2937    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
2938    p.set_defaults(func=bdev_nvme_remove_error_injection)
2939
2940    def check_called_name(name):
2941        if name in deprecated_aliases:
2942            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
2943
2944    class dry_run_client:
2945        def call(self, method, params=None):
2946            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
2947
2948    def null_print(arg):
2949        pass
2950
2951    def call_rpc_func(args):
2952        args.func(args)
2953        check_called_name(args.called_rpc_name)
2954
2955    def execute_script(parser, client, fd):
2956        executed_rpc = ""
2957        for rpc_call in map(str.rstrip, fd):
2958            if not rpc_call.strip():
2959                continue
2960            executed_rpc = "\n".join([executed_rpc, rpc_call])
2961            rpc_args = shlex.split(rpc_call)
2962            if rpc_args[0][0] == '#':
2963                # Ignore lines starting with # - treat them as comments
2964                continue
2965            args = parser.parse_args(rpc_args)
2966            args.client = client
2967            try:
2968                call_rpc_func(args)
2969            except JSONRPCException as ex:
2970                print("Exception:")
2971                print(executed_rpc.strip() + " <<<")
2972                print(ex.message)
2973                exit(1)
2974
2975    def load_plugin(args):
2976        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
2977        plugin_parser = argparse.ArgumentParser(add_help=False)
2978        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
2979
2980        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
2981        if args is not None:
2982            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
2983
2984        if rpc_module is not None:
2985            try:
2986                rpc_plugin = importlib.import_module(rpc_module)
2987                try:
2988                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
2989                except AttributeError:
2990                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
2991            except ModuleNotFoundError:
2992                print("Module %s not found" % rpc_module)
2993
2994    def replace_arg_underscores(args):
2995        # All option names are defined with dashes only - for example: --tgt-name
2996        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
2997        # SPDK was inconsistent previously and had some options with underscores, so
2998        # doing this conversion ensures backward compatibility with older scripts.
2999        for i in range(len(args)):
3000            arg = args[i]
3001            if arg.startswith('--') and "_" in arg:
3002                args[i] = arg.replace('_', '-')
3003
3004    load_plugin(None)
3005
3006    replace_arg_underscores(sys.argv)
3007
3008    args = parser.parse_args()
3009
3010    if sys.stdin.isatty() and not hasattr(args, 'func'):
3011        # No arguments and no data piped through stdin
3012        parser.print_help()
3013        exit(1)
3014    if args.is_server:
3015        for input in sys.stdin:
3016            cmd = shlex.split(input)
3017            replace_arg_underscores(cmd)
3018            try:
3019                load_plugin(cmd)
3020                tmp_args = parser.parse_args(cmd)
3021            except SystemExit as ex:
3022                print("**STATUS=1", flush=True)
3023                continue
3024
3025            try:
3026                tmp_args.client = rpc.client.JSONRPCClient(
3027                    tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3028                    log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3029                call_rpc_func(tmp_args)
3030                print("**STATUS=0", flush=True)
3031            except JSONRPCException as ex:
3032                print(ex.message)
3033                print("**STATUS=1", flush=True)
3034        exit(0)
3035    elif args.dry_run:
3036        args.client = dry_run_client()
3037        print_dict = null_print
3038        print_json = null_print
3039        print_array = null_print
3040    else:
3041        try:
3042            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3043                                                   log_level=getattr(logging, args.verbose.upper()),
3044                                                   conn_retries=args.conn_retries)
3045        except JSONRPCException as ex:
3046            print(ex.message)
3047            exit(1)
3048
3049    if hasattr(args, 'func'):
3050        try:
3051            call_rpc_func(args)
3052        except JSONRPCException as ex:
3053            print(ex.message)
3054            exit(1)
3055    else:
3056        execute_script(parser, args.client, sys.stdin)
3057