xref: /spdk/scripts/rpc.py (revision 441431d22872ae4e05a1bf8b78e9aeff1eba1eb3)
1#!/usr/bin/env python3
2
3from rpc.client import print_dict, print_json, JSONRPCException
4from rpc.helpers import deprecated_aliases
5
6import logging
7import argparse
8import importlib
9import rpc
10import sys
11import shlex
12import json
13
14try:
15    from shlex import quote
16except ImportError:
17    from pipes import quote
18
19
20def print_array(a):
21    print(" ".join((quote(v) for v in a)))
22
23
24if __name__ == "__main__":
25    parser = argparse.ArgumentParser(
26        description='SPDK RPC command line interface', usage='%(prog)s [options]')
27    parser.add_argument('-s', dest='server_addr',
28                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
29    parser.add_argument('-p', dest='port',
30                        help='RPC port number (if server_addr is IP address)',
31                        default=5260, type=int)
32    parser.add_argument('-t', dest='timeout',
33                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
34                        default=60.0, type=float)
35    parser.add_argument('-r', dest='conn_retries',
36                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
37                        default=0, type=int)
38    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
39                        help='Set verbose mode to INFO', default="ERROR")
40    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
41                        help="""Set verbose level. """)
42    parser.add_argument('--dry_run', dest='dry_run', action='store_true', help="Display request and exit")
43    parser.set_defaults(dry_run=False)
44    parser.add_argument('--server', dest='is_server', action='store_true',
45                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
46                                a separate connection for each command. Each command's output ends with either \
47                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
48                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
49                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
50                                must be executed without any other parameters.")
51    parser.set_defaults(is_server=False)
52    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
53    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
54
55    def framework_start_init(args):
56        rpc.framework_start_init(args.client)
57
58    p = subparsers.add_parser('framework_start_init', aliases=['start_subsystem_init'],
59                              help='Start initialization of subsystems')
60    p.set_defaults(func=framework_start_init)
61
62    def framework_wait_init(args):
63        rpc.framework_wait_init(args.client)
64
65    p = subparsers.add_parser('framework_wait_init', aliases=['wait_subsystem_init'],
66                              help='Block until subsystems have been initialized')
67    p.set_defaults(func=framework_wait_init)
68
69    def rpc_get_methods(args):
70        print_dict(rpc.rpc_get_methods(args.client,
71                                       current=args.current,
72                                       include_aliases=args.include_aliases))
73
74    p = subparsers.add_parser('rpc_get_methods', aliases=['get_rpc_methods'],
75                              help='Get list of supported RPC methods')
76    p.add_argument('-c', '--current', help='Get list of RPC methods only callable in the current state.', action='store_true')
77    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
78    p.set_defaults(func=rpc_get_methods)
79
80    def spdk_get_version(args):
81        print_json(rpc.spdk_get_version(args.client))
82
83    p = subparsers.add_parser('spdk_get_version', aliases=['get_spdk_version'],
84                              help='Get SPDK version')
85    p.set_defaults(func=spdk_get_version)
86
87    def save_config(args):
88        rpc.save_config(args.client,
89                        sys.stdout,
90                        indent=args.indent)
91
92    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
93    """)
94    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
95    """, type=int, default=2)
96    p.set_defaults(func=save_config)
97
98    def load_config(args):
99        rpc.load_config(args.client, args.json_conf,
100                        include_aliases=args.include_aliases)
101
102    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
103    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
104    p.add_argument('-j', '--json_conf', help='Valid JSON configuration', default=sys.stdin)
105    p.set_defaults(func=load_config)
106
107    def save_subsystem_config(args):
108        rpc.save_subsystem_config(args.client,
109                                  sys.stdout,
110                                  indent=args.indent,
111                                  name=args.name)
112
113    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
114    """)
115    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
116    """, type=int, default=2)
117    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
118    p.set_defaults(func=save_subsystem_config)
119
120    def load_subsystem_config(args):
121        rpc.load_subsystem_config(args.client,
122                                  args.json_conf)
123
124    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
125    p.add_argument('-j', '--json_conf', help='Valid JSON configuration', default=sys.stdin)
126    p.set_defaults(func=load_subsystem_config)
127
128    # app
129    def spdk_kill_instance(args):
130        rpc.app.spdk_kill_instance(args.client,
131                                   sig_name=args.sig_name)
132
133    p = subparsers.add_parser('spdk_kill_instance', aliases=['kill_instance'],
134                              help='Send signal to instance')
135    p.add_argument('sig_name', help='signal will be sent to server.')
136    p.set_defaults(func=spdk_kill_instance)
137
138    def framework_monitor_context_switch(args):
139        enabled = None
140        if args.enable:
141            enabled = True
142        if args.disable:
143            enabled = False
144        print_dict(rpc.app.framework_monitor_context_switch(args.client,
145                                                            enabled=enabled))
146
147    p = subparsers.add_parser('framework_monitor_context_switch', aliases=['context_switch_monitor'],
148                              help='Control whether the context switch monitor is enabled')
149    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
150    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
151    p.set_defaults(func=framework_monitor_context_switch)
152
153    def framework_get_reactors(args):
154        print_dict(rpc.app.framework_get_reactors(args.client))
155
156    p = subparsers.add_parser(
157        'framework_get_reactors', help='Display list of all reactors')
158    p.set_defaults(func=framework_get_reactors)
159
160    def framework_set_scheduler(args):
161        rpc.app.framework_set_scheduler(args.client,
162                                        name=args.name,
163                                        period=args.period)
164
165    p = subparsers.add_parser(
166        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
167    p.add_argument('name', help="Name of a scheduler")
168    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
169    p.set_defaults(func=framework_set_scheduler)
170
171    def framework_get_scheduler(args):
172        print_dict(rpc.app.framework_get_scheduler(args.client))
173
174    p = subparsers.add_parser(
175        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
176    p.set_defaults(func=framework_get_scheduler)
177
178    # bdev
179    def bdev_set_options(args):
180        rpc.bdev.bdev_set_options(args.client,
181                                  bdev_io_pool_size=args.bdev_io_pool_size,
182                                  bdev_io_cache_size=args.bdev_io_cache_size,
183                                  bdev_auto_examine=args.bdev_auto_examine,
184                                  small_buf_pool_size=args.small_buf_pool_size,
185                                  large_buf_pool_size=args.large_buf_pool_size)
186
187    p = subparsers.add_parser('bdev_set_options', aliases=['set_bdev_options'],
188                              help="""Set options of bdev subsystem""")
189    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
190    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
191    p.add_argument('-s', '--small-buf-pool-size', help='Maximum number of small buf (i.e., 8KB) pool size', type=int)
192    p.add_argument('-l', '--large-buf-pool-size', help='Maximum number of large buf (i.e., 64KB) pool size', type=int)
193    group = p.add_mutually_exclusive_group()
194    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
195    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
196    p.set_defaults(bdev_auto_examine=True)
197    p.set_defaults(func=bdev_set_options)
198
199    def bdev_examine(args):
200        rpc.bdev.bdev_examine(args.client,
201                              name=args.name)
202
203    p = subparsers.add_parser('bdev_examine',
204                              help="""examine a bdev if it exists, or will examine it after it is created""")
205    p.add_argument('-b', '--name', help='Name or alias of the bdev')
206    p.set_defaults(func=bdev_examine)
207
208    def bdev_wait_for_examine(args):
209        rpc.bdev.bdev_wait_for_examine(args.client)
210
211    p = subparsers.add_parser('bdev_wait_for_examine',
212                              help="""Report when all bdevs have been examined""")
213    p.set_defaults(func=bdev_wait_for_examine)
214
215    def bdev_compress_create(args):
216        print_json(rpc.bdev.bdev_compress_create(args.client,
217                                                 base_bdev_name=args.base_bdev_name,
218                                                 pm_path=args.pm_path,
219                                                 lb_size=args.lb_size))
220
221    p = subparsers.add_parser('bdev_compress_create', aliases=['construct_compress_bdev'],
222                              help='Add a compress vbdev')
223    p.add_argument('-b', '--base_bdev_name', help="Name of the base bdev")
224    p.add_argument('-p', '--pm_path', help="Path to persistent memory")
225    p.add_argument('-l', '--lb_size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int, default=0)
226    p.set_defaults(func=bdev_compress_create)
227
228    def bdev_compress_delete(args):
229        rpc.bdev.bdev_compress_delete(args.client,
230                                      name=args.name)
231
232    p = subparsers.add_parser('bdev_compress_delete', aliases=['delete_compress_bdev'],
233                              help='Delete a compress disk')
234    p.add_argument('name', help='compress bdev name')
235    p.set_defaults(func=bdev_compress_delete)
236
237    def bdev_compress_set_pmd(args):
238        rpc.bdev.bdev_compress_set_pmd(args.client,
239                                       pmd=args.pmd)
240    p = subparsers.add_parser('bdev_compress_set_pmd', aliases=['set_compress_pmd', 'compress_set_pmd'],
241                              help='Set pmd option for a compress disk')
242    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = ISAL only')
243    p.set_defaults(func=bdev_compress_set_pmd)
244
245    def bdev_compress_get_orphans(args):
246        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
247                                                      name=args.name))
248    p = subparsers.add_parser(
249        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
250    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1", required=False)
251    p.set_defaults(func=bdev_compress_get_orphans)
252
253    def bdev_crypto_create(args):
254        print_json(rpc.bdev.bdev_crypto_create(args.client,
255                                               base_bdev_name=args.base_bdev_name,
256                                               name=args.name,
257                                               crypto_pmd=args.crypto_pmd,
258                                               key=args.key,
259                                               cipher=args.cipher,
260                                               key2=args.key2))
261    p = subparsers.add_parser('bdev_crypto_create', aliases=['construct_crypto_bdev'],
262                              help='Add a crypto vbdev')
263    p.add_argument('base_bdev_name', help="Name of the base bdev")
264    p.add_argument('name', help="Name of the crypto vbdev")
265    p.add_argument('crypto_pmd', help="Name of the crypto device driver")
266    p.add_argument('key', help="Key")
267    p.add_argument('-c', '--cipher', help="cipher to use, AES_CBC or AES_XTS (QAT only)", default="AES_CBC")
268    p.add_argument('-k2', '--key2', help="2nd key for cipher AET_XTS", default=None)
269    p.set_defaults(func=bdev_crypto_create)
270
271    def bdev_crypto_delete(args):
272        rpc.bdev.bdev_crypto_delete(args.client,
273                                    name=args.name)
274
275    p = subparsers.add_parser('bdev_crypto_delete', aliases=['delete_crypto_bdev'],
276                              help='Delete a crypto disk')
277    p.add_argument('name', help='crypto bdev name')
278    p.set_defaults(func=bdev_crypto_delete)
279
280    def bdev_ocf_create(args):
281        print_json(rpc.bdev.bdev_ocf_create(args.client,
282                                            name=args.name,
283                                            mode=args.mode,
284                                            cache_line_size=args.cache_line_size,
285                                            cache_bdev_name=args.cache_bdev_name,
286                                            core_bdev_name=args.core_bdev_name))
287    p = subparsers.add_parser('bdev_ocf_create', aliases=['construct_ocf_bdev'],
288                              help='Add an OCF block device')
289    p.add_argument('name', help='Name of resulting OCF bdev')
290    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
291    p.add_argument(
292        '--cache-line-size',
293        help='OCF cache line size. The unit is KiB',
294        type=int,
295        choices=[4, 8, 16, 32, 64],
296        required=False,
297        default=0,
298    )
299    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
300    p.add_argument('core_bdev_name', help='Name of unerlying core bdev')
301    p.set_defaults(func=bdev_ocf_create)
302
303    def bdev_ocf_delete(args):
304        rpc.bdev.bdev_ocf_delete(args.client,
305                                 name=args.name)
306
307    p = subparsers.add_parser('bdev_ocf_delete', aliases=['delete_ocf_bdev'],
308                              help='Delete an OCF block device')
309    p.add_argument('name', help='Name of OCF bdev')
310    p.set_defaults(func=bdev_ocf_delete)
311
312    def bdev_ocf_get_stats(args):
313        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
314                                               name=args.name))
315    p = subparsers.add_parser('bdev_ocf_get_stats', aliases=['get_ocf_stats'],
316                              help='Get statistics of chosen OCF block device')
317    p.add_argument('name', help='Name of OCF bdev')
318    p.set_defaults(func=bdev_ocf_get_stats)
319
320    def bdev_ocf_get_bdevs(args):
321        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
322                                               name=args.name))
323    p = subparsers.add_parser('bdev_ocf_get_bdevs', aliases=['get_ocf_bdevs'],
324                              help='Get list of OCF devices including unregistered ones')
325    p.add_argument('name', nargs='?', default=None, help='name of OCF vbdev or name of cache device or name of core device (optional)')
326    p.set_defaults(func=bdev_ocf_get_bdevs)
327
328    def bdev_ocf_set_cache_mode(args):
329        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
330                                                    name=args.name,
331                                                    mode=args.mode))
332    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
333                              help='Set cache mode of OCF block device')
334    p.add_argument('name', help='Name of OCF bdev')
335    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
336    p.set_defaults(func=bdev_ocf_set_cache_mode)
337
338    def bdev_malloc_create(args):
339        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
340        print_json(rpc.bdev.bdev_malloc_create(args.client,
341                                               num_blocks=int(num_blocks),
342                                               block_size=args.block_size,
343                                               name=args.name,
344                                               uuid=args.uuid))
345    p = subparsers.add_parser('bdev_malloc_create', aliases=['construct_malloc_bdev'],
346                              help='Create a bdev with malloc backend')
347    p.add_argument('-b', '--name', help="Name of the bdev")
348    p.add_argument('-u', '--uuid', help="UUID of the bdev")
349    p.add_argument(
350        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
351    p.add_argument('block_size', help='Block size for this bdev', type=int)
352    p.set_defaults(func=bdev_malloc_create)
353
354    def bdev_malloc_delete(args):
355        rpc.bdev.bdev_malloc_delete(args.client,
356                                    name=args.name)
357
358    p = subparsers.add_parser('bdev_malloc_delete', aliases=['delete_malloc_bdev'],
359                              help='Delete a malloc disk')
360    p.add_argument('name', help='malloc bdev name')
361    p.set_defaults(func=bdev_malloc_delete)
362
363    def bdev_null_create(args):
364        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
365        if args.dif_type and not args.md_size:
366            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
367            exit(1)
368        print_json(rpc.bdev.bdev_null_create(args.client,
369                                             num_blocks=num_blocks,
370                                             block_size=args.block_size,
371                                             name=args.name,
372                                             uuid=args.uuid,
373                                             md_size=args.md_size,
374                                             dif_type=args.dif_type,
375                                             dif_is_head_of_md=args.dif_is_head_of_md))
376
377    p = subparsers.add_parser('bdev_null_create', aliases=['construct_null_bdev'],
378                              help='Add a bdev with null backend')
379    p.add_argument('name', help='Block device name')
380    p.add_argument('-u', '--uuid', help='UUID of the bdev')
381    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
382    p.add_argument('block_size', help='Block size for this bdev.'
383                                      'Should be a sum of block size and metadata size if --md-size is used.', type=int)
384    p.add_argument('-m', '--md-size', type=int,
385                   help='Metadata size for this bdev. Default=0.')
386    p.add_argument('-t', '--dif-type', type=int, default=0, choices=[0, 1, 2, 3],
387                   help='Protection information type. Parameter --md-size needs'
388                        'to be set along --dif-type. Default=0 - no protection.')
389    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
390                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
391    p.set_defaults(func=bdev_null_create)
392
393    def bdev_null_delete(args):
394        rpc.bdev.bdev_null_delete(args.client,
395                                  name=args.name)
396
397    p = subparsers.add_parser('bdev_null_delete', aliases=['delete_null_bdev'],
398                              help='Delete a null bdev')
399    p.add_argument('name', help='null bdev name')
400    p.set_defaults(func=bdev_null_delete)
401
402    def bdev_null_resize(args):
403        print_json(rpc.bdev.bdev_null_resize(args.client,
404                                             name=args.name,
405                                             new_size=int(args.new_size)))
406
407    p = subparsers.add_parser('bdev_null_resize',
408                              help='Resize a null bdev')
409    p.add_argument('name', help='null bdev name')
410    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
411    p.set_defaults(func=bdev_null_resize)
412
413    def bdev_aio_create(args):
414        print_json(rpc.bdev.bdev_aio_create(args.client,
415                                            filename=args.filename,
416                                            name=args.name,
417                                            block_size=args.block_size))
418
419    p = subparsers.add_parser('bdev_aio_create', aliases=['construct_aio_bdev'],
420                              help='Add a bdev with aio backend')
421    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
422    p.add_argument('name', help='Block device name')
423    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
424    p.set_defaults(func=bdev_aio_create)
425
426    def bdev_aio_delete(args):
427        rpc.bdev.bdev_aio_delete(args.client,
428                                 name=args.name)
429
430    p = subparsers.add_parser('bdev_aio_delete', aliases=['delete_aio_bdev'],
431                              help='Delete an aio disk')
432    p.add_argument('name', help='aio bdev name')
433    p.set_defaults(func=bdev_aio_delete)
434
435    def bdev_uring_create(args):
436        print_json(rpc.bdev.bdev_uring_create(args.client,
437                                              filename=args.filename,
438                                              name=args.name,
439                                              block_size=args.block_size))
440
441    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
442    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
443    p.add_argument('name', help='bdev name')
444    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
445    p.set_defaults(func=bdev_uring_create)
446
447    def bdev_uring_delete(args):
448        rpc.bdev.bdev_uring_delete(args.client,
449                                   name=args.name)
450
451    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
452    p.add_argument('name', help='uring bdev name')
453    p.set_defaults(func=bdev_uring_delete)
454
455    def bdev_nvme_set_options(args):
456        rpc.bdev.bdev_nvme_set_options(args.client,
457                                       action_on_timeout=args.action_on_timeout,
458                                       timeout_us=args.timeout_us,
459                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
460                                       retry_count=args.retry_count,
461                                       arbitration_burst=args.arbitration_burst,
462                                       low_priority_weight=args.low_priority_weight,
463                                       medium_priority_weight=args.medium_priority_weight,
464                                       high_priority_weight=args.high_priority_weight,
465                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
466                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
467                                       io_queue_requests=args.io_queue_requests,
468                                       delay_cmd_submit=args.delay_cmd_submit)
469
470    p = subparsers.add_parser('bdev_nvme_set_options', aliases=['set_bdev_nvme_options'],
471                              help='Set options for the bdev nvme type. This is startup command.')
472    p.add_argument('-a', '--action-on-timeout',
473                   help="Action to take on command time out. Valid valies are: none, reset, abort")
474    p.add_argument('-t', '--timeout-us',
475                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
476    p.add_argument('-k', '--keep-alive-timeout-ms',
477                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
478    p.add_argument('-n', '--retry-count',
479                   help='the number of attempts per I/O when an I/O fails', type=int)
480    p.add_argument('--arbitration-burst',
481                   help='the value is expressed as a power of two', type=int)
482    p.add_argument('--low-priority-weight',
483                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
484    p.add_argument('--medium-priority-weight',
485                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
486    p.add_argument('--high-priority-weight',
487                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
488    p.add_argument('-p', '--nvme-adminq-poll-period-us',
489                   help='How often the admin queue is polled for asynchronous events', type=int)
490    p.add_argument('-i', '--nvme-ioq-poll-period-us',
491                   help='How often to poll I/O queues for completions', type=int)
492    p.add_argument('-s', '--io-queue-requests',
493                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
494    p.add_argument('-d', '--disable-delay-cmd-submit',
495                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
496                   action='store_false', dest='delay_cmd_submit', default=True)
497    p.set_defaults(func=bdev_nvme_set_options)
498
499    def bdev_nvme_set_hotplug(args):
500        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
501
502    p = subparsers.add_parser('bdev_nvme_set_hotplug', aliases=['set_bdev_nvme_hotplug'],
503                              help='Set hotplug options for bdev nvme type.')
504    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
505    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
506    p.add_argument('-r', '--period-us',
507                   help='How often the hotplug is processed for insert and remove events', type=int)
508    p.set_defaults(func=bdev_nvme_set_hotplug)
509
510    def bdev_nvme_attach_controller(args):
511        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
512                                                         name=args.name,
513                                                         trtype=args.trtype,
514                                                         traddr=args.traddr,
515                                                         adrfam=args.adrfam,
516                                                         trsvcid=args.trsvcid,
517                                                         priority=args.priority,
518                                                         subnqn=args.subnqn,
519                                                         hostnqn=args.hostnqn,
520                                                         hostaddr=args.hostaddr,
521                                                         hostsvcid=args.hostsvcid,
522                                                         prchk_reftag=args.prchk_reftag,
523                                                         prchk_guard=args.prchk_guard,
524                                                         hdgst=args.hdgst,
525                                                         ddgst=args.ddgst))
526
527    p = subparsers.add_parser('bdev_nvme_attach_controller', aliases=['construct_nvme_bdev'],
528                              help='Add bdevs with nvme backend')
529    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
530    p.add_argument('-t', '--trtype',
531                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
532    p.add_argument('-a', '--traddr',
533                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
534    p.add_argument('-f', '--adrfam',
535                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
536    p.add_argument('-s', '--trsvcid',
537                   help='NVMe-oF target trsvcid: e.g., a port number')
538    p.add_argument('-p', '--priority',
539                   help='NVMe-oF connection priority: e.g., a priority number')
540    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
541    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
542    p.add_argument('-i', '--hostaddr',
543                   help='NVMe-oF host address: e.g., an ip address')
544    p.add_argument('-c', '--hostsvcid',
545                   help='NVMe-oF host svcid: e.g., a port number')
546    p.add_argument('-r', '--prchk-reftag',
547                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
548    p.add_argument('-g', '--prchk-guard',
549                   help='Enable checking of PI guard for I/O processing.', action='store_true')
550    p.add_argument('-e', '--hdgst',
551                   help='Enable TCP header digest.', action='store_true')
552    p.add_argument('-d', '--ddgst',
553                   help='Enable TCP data digest.', action='store_true')
554    p.set_defaults(func=bdev_nvme_attach_controller)
555
556    def bdev_nvme_get_controllers(args):
557        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
558                                                      name=args.name))
559
560    p = subparsers.add_parser(
561        'bdev_nvme_get_controllers', aliases=['get_nvme_controllers'],
562        help='Display current NVMe controllers list or required NVMe controller')
563    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0", required=False)
564    p.set_defaults(func=bdev_nvme_get_controllers)
565
566    def bdev_nvme_detach_controller(args):
567        rpc.bdev.bdev_nvme_detach_controller(args.client,
568                                             name=args.name,
569                                             trtype=args.trtype,
570                                             traddr=args.traddr,
571                                             adrfam=args.adrfam,
572                                             trsvcid=args.trsvcid,
573                                             subnqn=args.subnqn)
574
575    p = subparsers.add_parser('bdev_nvme_detach_controller', aliases=['delete_nvme_controller'],
576                              help='Detach an NVMe controller and delete any associated bdevs')
577    p.add_argument('name', help="Name of the controller")
578    p.add_argument('-t', '--trtype',
579                   help='NVMe-oF target trtype: e.g., rdma, pcie')
580    p.add_argument('-a', '--traddr',
581                   help='NVMe-oF target address: e.g., an ip address or BDF')
582    p.add_argument('-f', '--adrfam',
583                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
584    p.add_argument('-s', '--trsvcid',
585                   help='NVMe-oF target trsvcid: e.g., a port number')
586    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
587    p.set_defaults(func=bdev_nvme_detach_controller)
588
589    def bdev_nvme_cuse_register(args):
590        rpc.bdev.bdev_nvme_cuse_register(args.client,
591                                         name=args.name)
592
593    p = subparsers.add_parser('bdev_nvme_cuse_register',
594                              help='Register CUSE devices on NVMe controller')
595    p.add_argument('-n', '--name',
596                   help='Name of the NVMe controller. Example: Nvme0', required=True)
597    p.set_defaults(func=bdev_nvme_cuse_register)
598
599    def bdev_nvme_cuse_unregister(args):
600        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
601                                           name=args.name)
602
603    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
604                              help='Unregister CUSE devices on NVMe controller')
605    p.add_argument('-n', '--name',
606                   help='Name of the NVMe controller. Example: Nvme0', required=True)
607    p.set_defaults(func=bdev_nvme_cuse_unregister)
608
609    def bdev_zone_block_create(args):
610        print_json(rpc.bdev.bdev_zone_block_create(args.client,
611                                                   name=args.name,
612                                                   base_bdev=args.base_bdev,
613                                                   zone_capacity=args.zone_capacity,
614                                                   optimal_open_zones=args.optimal_open_zones))
615
616    p = subparsers.add_parser('bdev_zone_block_create',
617                              help='Create virtual zone namespace device with block device backend')
618    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
619    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
620    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
621    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
622    p.set_defaults(func=bdev_zone_block_create)
623
624    def bdev_zone_block_delete(args):
625        rpc.bdev.bdev_zone_block_delete(args.client,
626                                        name=args.name)
627
628    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
629    p.add_argument('name', help='Virtual zone bdev name')
630    p.set_defaults(func=bdev_zone_block_delete)
631
632    def bdev_rbd_register_cluster(args):
633        config_param = None
634        if args.config_param:
635            config_param = {}
636            for entry in args.config:
637                parts = entry.split('=', 1)
638                if len(parts) != 2:
639                    raise Exception('--config %s not in key=value form' % entry)
640                config_param[parts[0]] = parts[1]
641        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
642                                                      name=args.name,
643                                                      user=args.user,
644                                                      config_param=config_param,
645                                                      config_file=args.config_file))
646
647    p = subparsers.add_parser('bdev_rbd_register_cluster',
648                              help='Add a Rados cluster with ceph rbd backend')
649    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
650    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
651    p.add_argument('--config_param', action='append', metavar='key=value',
652                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
653    p.add_argument('--config_file', help="The file path of the Rados configuration file", required=False)
654    p.set_defaults(func=bdev_rbd_register_cluster)
655
656    def bdev_rbd_unregister_cluster(args):
657        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
658
659    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
660                              help='Unregister a Rados cluster object')
661    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
662    p.set_defaults(func=bdev_rbd_unregister_cluster)
663
664    def bdev_rbd_get_clusters_info(args):
665        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
666
667    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
668                              help='Display registered Rados Cluster names and related info')
669    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1", required=False)
670    p.set_defaults(func=bdev_rbd_get_clusters_info)
671
672    def bdev_rbd_create(args):
673        config = None
674        if args.config:
675            config = {}
676            for entry in args.config:
677                parts = entry.split('=', 1)
678                if len(parts) != 2:
679                    raise Exception('--config %s not in key=value form' % entry)
680                config[parts[0]] = parts[1]
681        print_json(rpc.bdev.bdev_rbd_create(args.client,
682                                            name=args.name,
683                                            user=args.user,
684                                            config=config,
685                                            pool_name=args.pool_name,
686                                            rbd_name=args.rbd_name,
687                                            block_size=args.block_size,
688                                            cluster_name=args.cluster_name))
689
690    p = subparsers.add_parser('bdev_rbd_create', aliases=['construct_rbd_bdev'],
691                              help='Add a bdev with ceph rbd backend')
692    p.add_argument('-b', '--name', help="Name of the bdev", required=False)
693    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
694    p.add_argument('--config', action='append', metavar='key=value',
695                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
696    p.add_argument('pool_name', help='rbd pool name')
697    p.add_argument('rbd_name', help='rbd image name')
698    p.add_argument('block_size', help='rbd block size', type=int)
699    p.add_argument('-c', '--cluster_name', help="cluster name to identify the Rados cluster", required=False)
700    p.set_defaults(func=bdev_rbd_create)
701
702    def bdev_rbd_delete(args):
703        rpc.bdev.bdev_rbd_delete(args.client,
704                                 name=args.name)
705
706    p = subparsers.add_parser('bdev_rbd_delete', aliases=['delete_rbd_bdev'],
707                              help='Delete a rbd bdev')
708    p.add_argument('name', help='rbd bdev name')
709    p.set_defaults(func=bdev_rbd_delete)
710
711    def bdev_rbd_resize(args):
712        print_json(rpc.bdev.bdev_rbd_resize(args.client,
713                                            name=args.name,
714                                            new_size=int(args.new_size)))
715        rpc.bdev.bdev_rbd_resize(args.client,
716                                 name=args.name,
717                                 new_size=int(args.new_size))
718
719    p = subparsers.add_parser('bdev_rbd_resize',
720                              help='Resize a rbd bdev')
721    p.add_argument('name', help='rbd bdev name')
722    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
723    p.set_defaults(func=bdev_rbd_resize)
724
725    def bdev_delay_create(args):
726        print_json(rpc.bdev.bdev_delay_create(args.client,
727                                              base_bdev_name=args.base_bdev_name,
728                                              name=args.name,
729                                              avg_read_latency=args.avg_read_latency,
730                                              p99_read_latency=args.nine_nine_read_latency,
731                                              avg_write_latency=args.avg_write_latency,
732                                              p99_write_latency=args.nine_nine_write_latency))
733
734    p = subparsers.add_parser('bdev_delay_create',
735                              help='Add a delay bdev on existing bdev')
736    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
737    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
738    p.add_argument('-r', '--avg-read-latency',
739                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
740    p.add_argument('-t', '--nine-nine-read-latency',
741                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
742    p.add_argument('-w', '--avg-write-latency',
743                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
744    p.add_argument('-n', '--nine-nine-write-latency',
745                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
746    p.set_defaults(func=bdev_delay_create)
747
748    def bdev_delay_delete(args):
749        rpc.bdev.bdev_delay_delete(args.client,
750                                   name=args.name)
751
752    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
753    p.add_argument('name', help='delay bdev name')
754    p.set_defaults(func=bdev_delay_delete)
755
756    def bdev_delay_update_latency(args):
757        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
758                                                      delay_bdev_name=args.delay_bdev_name,
759                                                      latency_type=args.latency_type,
760                                                      latency_us=args.latency_us))
761    p = subparsers.add_parser('bdev_delay_update_latency',
762                              help='Update one of the latency values for a given delay bdev')
763    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
764    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
765    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
766    p.set_defaults(func=bdev_delay_update_latency)
767
768    def bdev_error_create(args):
769        print_json(rpc.bdev.bdev_error_create(args.client,
770                                              base_name=args.base_name))
771
772    p = subparsers.add_parser('bdev_error_create', aliases=['construct_error_bdev'],
773                              help='Add bdev with error injection backend')
774    p.add_argument('base_name', help='base bdev name')
775    p.set_defaults(func=bdev_error_create)
776
777    def bdev_error_delete(args):
778        rpc.bdev.bdev_error_delete(args.client,
779                                   name=args.name)
780
781    p = subparsers.add_parser('bdev_error_delete', aliases=['delete_error_bdev'],
782                              help='Delete an error bdev')
783    p.add_argument('name', help='error bdev name')
784    p.set_defaults(func=bdev_error_delete)
785
786    def bdev_iscsi_create(args):
787        print_json(rpc.bdev.bdev_iscsi_create(args.client,
788                                              name=args.name,
789                                              url=args.url,
790                                              initiator_iqn=args.initiator_iqn))
791
792    p = subparsers.add_parser('bdev_iscsi_create', aliases=['construct_iscsi_bdev'],
793                              help='Add bdev with iSCSI initiator backend')
794    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
795    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
796    p.add_argument('--url', help="iSCSI Lun URL", required=True)
797    p.set_defaults(func=bdev_iscsi_create)
798
799    def bdev_iscsi_delete(args):
800        rpc.bdev.bdev_iscsi_delete(args.client,
801                                   name=args.name)
802
803    p = subparsers.add_parser('bdev_iscsi_delete', aliases=['delete_iscsi_bdev'],
804                              help='Delete an iSCSI bdev')
805    p.add_argument('name', help='iSCSI bdev name')
806    p.set_defaults(func=bdev_iscsi_delete)
807
808    def bdev_pmem_create(args):
809        print_json(rpc.bdev.bdev_pmem_create(args.client,
810                                             pmem_file=args.pmem_file,
811                                             name=args.name))
812
813    p = subparsers.add_parser('bdev_pmem_create', aliases=['construct_pmem_bdev'],
814                              help='Add a bdev with pmem backend')
815    p.add_argument('pmem_file', help='Path to pmemblk pool file')
816    p.add_argument('-n', '--name', help='Block device name', required=True)
817    p.set_defaults(func=bdev_pmem_create)
818
819    def bdev_pmem_delete(args):
820        rpc.bdev.bdev_pmem_delete(args.client,
821                                  name=args.name)
822
823    p = subparsers.add_parser('bdev_pmem_delete', aliases=['delete_pmem_bdev'],
824                              help='Delete a pmem bdev')
825    p.add_argument('name', help='pmem bdev name')
826    p.set_defaults(func=bdev_pmem_delete)
827
828    def bdev_passthru_create(args):
829        print_json(rpc.bdev.bdev_passthru_create(args.client,
830                                                 base_bdev_name=args.base_bdev_name,
831                                                 name=args.name))
832
833    p = subparsers.add_parser('bdev_passthru_create', aliases=['construct_passthru_bdev'],
834                              help='Add a pass through bdev on existing bdev')
835    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
836    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
837    p.set_defaults(func=bdev_passthru_create)
838
839    def bdev_passthru_delete(args):
840        rpc.bdev.bdev_passthru_delete(args.client,
841                                      name=args.name)
842
843    p = subparsers.add_parser('bdev_passthru_delete', aliases=['delete_passthru_bdev'],
844                              help='Delete a pass through bdev')
845    p.add_argument('name', help='pass through bdev name')
846    p.set_defaults(func=bdev_passthru_delete)
847
848    def bdev_get_bdevs(args):
849        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
850                                           name=args.name))
851
852    p = subparsers.add_parser('bdev_get_bdevs', aliases=['get_bdevs'],
853                              help='Display current blockdev list or required blockdev')
854    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
855    p.set_defaults(func=bdev_get_bdevs)
856
857    def bdev_get_iostat(args):
858        print_dict(rpc.bdev.bdev_get_iostat(args.client,
859                                            name=args.name))
860
861    p = subparsers.add_parser('bdev_get_iostat', aliases=['get_bdevs_iostat'],
862                              help='Display current I/O statistics of all the blockdevs or required blockdev.')
863    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
864    p.set_defaults(func=bdev_get_iostat)
865
866    def bdev_enable_histogram(args):
867        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
868
869    p = subparsers.add_parser('bdev_enable_histogram', aliases=['enable_bdev_histogram'],
870                              help='Enable or disable histogram for specified bdev')
871    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
872    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
873    p.add_argument('name', help='bdev name')
874    p.set_defaults(func=bdev_enable_histogram)
875
876    def bdev_get_histogram(args):
877        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
878
879    p = subparsers.add_parser('bdev_get_histogram', aliases=['get_bdev_histogram'],
880                              help='Get histogram for specified bdev')
881    p.add_argument('name', help='bdev name')
882    p.set_defaults(func=bdev_get_histogram)
883
884    def bdev_set_qd_sampling_period(args):
885        rpc.bdev.bdev_set_qd_sampling_period(args.client,
886                                             name=args.name,
887                                             period=args.period)
888
889    p = subparsers.add_parser('bdev_set_qd_sampling_period', aliases=['set_bdev_qd_sampling_period'],
890                              help="Enable or disable tracking of a bdev's queue depth.")
891    p.add_argument('name', help='Blockdev name. Example: Malloc0')
892    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
893                   ' If set to 0, polling will be disabled.',
894                   type=int)
895    p.set_defaults(func=bdev_set_qd_sampling_period)
896
897    def bdev_set_qos_limit(args):
898        rpc.bdev.bdev_set_qos_limit(args.client,
899                                    name=args.name,
900                                    rw_ios_per_sec=args.rw_ios_per_sec,
901                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
902                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
903                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
904
905    p = subparsers.add_parser('bdev_set_qos_limit', aliases=['set_bdev_qos_limit'],
906                              help='Set QoS rate limit on a blockdev')
907    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
908    p.add_argument('--rw_ios_per_sec',
909                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
910                   type=int, required=False)
911    p.add_argument('--rw_mbytes_per_sec',
912                   help="R/W megabytes per second limit (>=10, example: 100). 0 means unlimited.",
913                   type=int, required=False)
914    p.add_argument('--r_mbytes_per_sec',
915                   help="Read megabytes per second limit (>=10, example: 100). 0 means unlimited.",
916                   type=int, required=False)
917    p.add_argument('--w_mbytes_per_sec',
918                   help="Write megabytes per second limit (>=10, example: 100). 0 means unlimited.",
919                   type=int, required=False)
920    p.set_defaults(func=bdev_set_qos_limit)
921
922    def bdev_error_inject_error(args):
923        rpc.bdev.bdev_error_inject_error(args.client,
924                                         name=args.name,
925                                         io_type=args.io_type,
926                                         error_type=args.error_type,
927                                         num=args.num)
928
929    p = subparsers.add_parser('bdev_error_inject_error', aliases=['bdev_inject_error'],
930                              help='bdev inject error')
931    p.add_argument('name', help="""the name of the error injection bdev""")
932    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
933    p.add_argument('error_type', help="""error_type: 'failure' 'pending'""")
934    p.add_argument(
935        '-n', '--num', help='the number of commands you want to fail', type=int, default=1)
936    p.set_defaults(func=bdev_error_inject_error)
937
938    def bdev_nvme_apply_firmware(args):
939        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
940                                                     bdev_name=args.bdev_name,
941                                                     filename=args.filename))
942
943    p = subparsers.add_parser('bdev_nvme_apply_firmware', aliases=['apply_firmware'],
944                              help='Download and commit firmware to NVMe device')
945    p.add_argument('filename', help='filename of the firmware to download')
946    p.add_argument('bdev_name', help='name of the NVMe device')
947    p.set_defaults(func=bdev_nvme_apply_firmware)
948
949    def bdev_nvme_get_transport_statistics(args):
950        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
951
952    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
953                              help='Get bdev_nvme poll group transport statistics')
954    p.set_defaults(func=bdev_nvme_get_transport_statistics)
955
956    # iSCSI
957    def iscsi_set_options(args):
958        rpc.iscsi.iscsi_set_options(
959            args.client,
960            auth_file=args.auth_file,
961            node_base=args.node_base,
962            nop_timeout=args.nop_timeout,
963            nop_in_interval=args.nop_in_interval,
964            disable_chap=args.disable_chap,
965            require_chap=args.require_chap,
966            mutual_chap=args.mutual_chap,
967            chap_group=args.chap_group,
968            max_sessions=args.max_sessions,
969            max_queue_depth=args.max_queue_depth,
970            max_connections_per_session=args.max_connections_per_session,
971            default_time2wait=args.default_time2wait,
972            default_time2retain=args.default_time2retain,
973            first_burst_length=args.first_burst_length,
974            immediate_data=args.immediate_data,
975            error_recovery_level=args.error_recovery_level,
976            allow_duplicated_isid=args.allow_duplicated_isid,
977            max_large_datain_per_connection=args.max_large_datain_per_connection,
978            max_r2t_per_connection=args.max_r2t_per_connection)
979
980    p = subparsers.add_parser('iscsi_set_options', aliases=['set_iscsi_options'],
981                              help="""Set options of iSCSI subsystem""")
982    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
983    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
984    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
985    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
986    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
987    *** Mutually exclusive with --require-chap""", action='store_true')
988    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
989    *** Mutually exclusive with --disable-chap""", action='store_true')
990    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
991    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
992    *** Authentication group must be precreated ***""", type=int)
993    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
994    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
995    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
996    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
997    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
998    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
999    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1000    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1001    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1002    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1003    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1004    p.set_defaults(func=iscsi_set_options)
1005
1006    def iscsi_set_discovery_auth(args):
1007        rpc.iscsi.iscsi_set_discovery_auth(
1008            args.client,
1009            disable_chap=args.disable_chap,
1010            require_chap=args.require_chap,
1011            mutual_chap=args.mutual_chap,
1012            chap_group=args.chap_group)
1013
1014    p = subparsers.add_parser('iscsi_set_discovery_auth', aliases=['set_iscsi_discovery_auth'],
1015                              help="""Set CHAP authentication for discovery session.""")
1016    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1017    *** Mutually exclusive with --require-chap""", action='store_true')
1018    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1019    *** Mutually exclusive with --disable-chap""", action='store_true')
1020    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1021    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1022    *** Authentication group must be precreated ***""", type=int)
1023    p.set_defaults(func=iscsi_set_discovery_auth)
1024
1025    def iscsi_create_auth_group(args):
1026        secrets = None
1027        if args.secrets:
1028            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1029
1030        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1031
1032    p = subparsers.add_parser('iscsi_create_auth_group', aliases=['add_iscsi_auth_group'],
1033                              help='Create authentication group for CHAP authentication.')
1034    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1035    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1036<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1037Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""", required=False)
1038    p.set_defaults(func=iscsi_create_auth_group)
1039
1040    def iscsi_delete_auth_group(args):
1041        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1042
1043    p = subparsers.add_parser('iscsi_delete_auth_group', aliases=['delete_iscsi_auth_group'],
1044                              help='Delete an authentication group.')
1045    p.add_argument('tag', help='Authentication group tag', type=int)
1046    p.set_defaults(func=iscsi_delete_auth_group)
1047
1048    def iscsi_auth_group_add_secret(args):
1049        rpc.iscsi.iscsi_auth_group_add_secret(
1050            args.client,
1051            tag=args.tag,
1052            user=args.user,
1053            secret=args.secret,
1054            muser=args.muser,
1055            msecret=args.msecret)
1056
1057    p = subparsers.add_parser('iscsi_auth_group_add_secret', aliases=['add_secret_to_iscsi_auth_group'],
1058                              help='Add a secret to an authentication group.')
1059    p.add_argument('tag', help='Authentication group tag', type=int)
1060    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1061    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1062    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1063    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1064    p.set_defaults(func=iscsi_auth_group_add_secret)
1065
1066    def iscsi_auth_group_remove_secret(args):
1067        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1068
1069    p = subparsers.add_parser('iscsi_auth_group_remove_secret', aliases=['delete_secret_from_iscsi_auth_group'],
1070                              help='Remove a secret from an authentication group.')
1071    p.add_argument('tag', help='Authentication group tag', type=int)
1072    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1073    p.set_defaults(func=iscsi_auth_group_remove_secret)
1074
1075    def iscsi_get_auth_groups(args):
1076        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1077
1078    p = subparsers.add_parser('iscsi_get_auth_groups', aliases=['get_iscsi_auth_groups'],
1079                              help='Display current authentication group configuration')
1080    p.set_defaults(func=iscsi_get_auth_groups)
1081
1082    def iscsi_get_portal_groups(args):
1083        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1084
1085    p = subparsers.add_parser(
1086        'iscsi_get_portal_groups', aliases=['get_portal_groups'],
1087        help='Display current portal group configuration')
1088    p.set_defaults(func=iscsi_get_portal_groups)
1089
1090    def iscsi_get_initiator_groups(args):
1091        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1092
1093    p = subparsers.add_parser('iscsi_get_initiator_groups',
1094                              aliases=['get_initiator_groups'],
1095                              help='Display current initiator group configuration')
1096    p.set_defaults(func=iscsi_get_initiator_groups)
1097
1098    def iscsi_get_target_nodes(args):
1099        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1100
1101    p = subparsers.add_parser('iscsi_get_target_nodes', aliases=['get_target_nodes'],
1102                              help='Display target nodes')
1103    p.set_defaults(func=iscsi_get_target_nodes)
1104
1105    def iscsi_create_target_node(args):
1106        luns = []
1107        for u in args.bdev_name_id_pairs.strip().split(" "):
1108            bdev_name, lun_id = u.split(":")
1109            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1110
1111        pg_ig_maps = []
1112        for u in args.pg_ig_mappings.strip().split(" "):
1113            pg, ig = u.split(":")
1114            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1115
1116        rpc.iscsi.iscsi_create_target_node(
1117            args.client,
1118            luns=luns,
1119            pg_ig_maps=pg_ig_maps,
1120            name=args.name,
1121            alias_name=args.alias_name,
1122            queue_depth=args.queue_depth,
1123            chap_group=args.chap_group,
1124            disable_chap=args.disable_chap,
1125            require_chap=args.require_chap,
1126            mutual_chap=args.mutual_chap,
1127            header_digest=args.header_digest,
1128            data_digest=args.data_digest)
1129
1130    p = subparsers.add_parser('iscsi_create_target_node', aliases=['construct_target_node'],
1131                              help='Add a target node')
1132    p.add_argument('name', help='Target node name (ASCII)')
1133    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1134    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1135    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1136    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1137    *** The bdevs must pre-exist ***
1138    *** LUN0 (id = 0) is required ***
1139    *** bdevs names cannot contain space or colon characters ***""")
1140    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1141    Whitespace separated, quoted, mapping defined with colon
1142    separated list of "tags" (int > 0)
1143    Example: '1:1 2:2 2:1'
1144    *** The Portal/Initiator Groups must be precreated ***""")
1145    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1146    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1147    *** Authentication group must be precreated ***""", type=int, default=0)
1148    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1149    *** Mutually exclusive with --require-chap ***""", action='store_true')
1150    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1151    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1152    p.add_argument(
1153        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1154    p.add_argument('-H', '--header-digest',
1155                   help='Header Digest should be required for this target node.', action='store_true')
1156    p.add_argument('-D', '--data-digest',
1157                   help='Data Digest should be required for this target node.', action='store_true')
1158    p.set_defaults(func=iscsi_create_target_node)
1159
1160    def iscsi_target_node_add_lun(args):
1161        rpc.iscsi.iscsi_target_node_add_lun(
1162            args.client,
1163            name=args.name,
1164            bdev_name=args.bdev_name,
1165            lun_id=args.lun_id)
1166
1167    p = subparsers.add_parser('iscsi_target_node_add_lun', aliases=['target_node_add_lun'],
1168                              help='Add LUN to the target node')
1169    p.add_argument('name', help='Target node name (ASCII)')
1170    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1171    *** bdev name cannot contain space or colon characters ***""")
1172    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1173    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int, required=False)
1174    p.set_defaults(func=iscsi_target_node_add_lun)
1175
1176    def iscsi_target_node_set_auth(args):
1177        rpc.iscsi.iscsi_target_node_set_auth(
1178            args.client,
1179            name=args.name,
1180            chap_group=args.chap_group,
1181            disable_chap=args.disable_chap,
1182            require_chap=args.require_chap,
1183            mutual_chap=args.mutual_chap)
1184
1185    p = subparsers.add_parser('iscsi_target_node_set_auth', aliases=['set_iscsi_target_node_auth'],
1186                              help='Set CHAP authentication for the target node')
1187    p.add_argument('name', help='Target node name (ASCII)')
1188    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1189    *** Authentication group must be precreated ***""", type=int, default=0)
1190    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1191    *** Mutually exclusive with --require-chap ***""", action='store_true')
1192    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1193    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1194    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1195                   action='store_true')
1196    p.set_defaults(func=iscsi_target_node_set_auth)
1197
1198    def iscsi_target_node_add_pg_ig_maps(args):
1199        pg_ig_maps = []
1200        for u in args.pg_ig_mappings.strip().split(" "):
1201            pg, ig = u.split(":")
1202            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1203        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1204            args.client,
1205            pg_ig_maps=pg_ig_maps,
1206            name=args.name)
1207
1208    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1209                              aliases=['add_pg_ig_maps'],
1210                              help='Add PG-IG maps to the target node')
1211    p.add_argument('name', help='Target node name (ASCII)')
1212    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1213    Whitespace separated, quoted, mapping defined with colon
1214    separated list of "tags" (int > 0)
1215    Example: '1:1 2:2 2:1'
1216    *** The Portal/Initiator Groups must be precreated ***""")
1217    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1218
1219    def iscsi_target_node_remove_pg_ig_maps(args):
1220        pg_ig_maps = []
1221        for u in args.pg_ig_mappings.strip().split(" "):
1222            pg, ig = u.split(":")
1223            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1224        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1225            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1226
1227    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1228                              aliases=['delete_pg_ig_maps'],
1229                              help='Delete PG-IG maps from the target node')
1230    p.add_argument('name', help='Target node name (ASCII)')
1231    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1232    Whitespace separated, quoted, mapping defined with colon
1233    separated list of "tags" (int > 0)
1234    Example: '1:1 2:2 2:1'
1235    *** The Portal/Initiator Groups must be precreated ***""")
1236    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1237
1238    def iscsi_target_node_set_redirect(args):
1239        rpc.iscsi.iscsi_target_node_set_redirect(
1240            args.client,
1241            name=args.name,
1242            pg_tag=args.pg_tag,
1243            redirect_host=args.redirect_host,
1244            redirect_port=args.redirect_port)
1245
1246    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1247                              help="""Update redirect portal of the public portal group for the target node.
1248    Omit redirect host and port to clear previously set redirect settings.""")
1249    p.add_argument('name', help='Target node name (ASCII)')
1250    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1251    p.add_argument('-a', '--redirect_host', help='Numeric IP address for redirect portal', required=False)
1252    p.add_argument('-p', '--redirect_port', help='Numeric TCP port for redirect portal', required=False)
1253    p.set_defaults(func=iscsi_target_node_set_redirect)
1254
1255    def iscsi_target_node_request_logout(args):
1256        rpc.iscsi.iscsi_target_node_request_logout(
1257            args.client,
1258            name=args.name,
1259            pg_tag=args.pg_tag)
1260
1261    p = subparsers.add_parser('iscsi_target_node_request_logout',
1262                              help="""For the target node, request connections whose portal group tag
1263    match to logout, or request all connections if portal group tag is omitted.""")
1264    p.add_argument('name', help='Target node name (ASCII)')
1265    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int, required=False)
1266    p.set_defaults(func=iscsi_target_node_request_logout)
1267
1268    def iscsi_create_portal_group(args):
1269        portals = []
1270        for p in args.portal_list.strip().split(' '):
1271            ip, separator, port_cpumask = p.rpartition(':')
1272            split_port_cpumask = port_cpumask.split('@')
1273            if len(split_port_cpumask) == 1:
1274                port = port_cpumask
1275                portals.append({'host': ip, 'port': port})
1276            else:
1277                port = split_port_cpumask[0]
1278                cpumask = split_port_cpumask[1]
1279                portals.append({'host': ip, 'port': port})
1280                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1281        rpc.iscsi.iscsi_create_portal_group(
1282            args.client,
1283            portals=portals,
1284            tag=args.tag,
1285            private=args.private,
1286            wait=args.wait)
1287
1288    p = subparsers.add_parser('iscsi_create_portal_group', aliases=['add_portal_group'],
1289                              help='Add a portal group')
1290    p.add_argument(
1291        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1292    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1293    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1294    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1295    Private portal groups do not have their portals returned by a discovery session. A public
1296    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1297    portal must be from a private portal group.""", action='store_true')
1298    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1299    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1300    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1301    p.set_defaults(func=iscsi_create_portal_group)
1302
1303    def iscsi_start_portal_group(args):
1304        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1305
1306    p = subparsers.add_parser('iscsi_start_portal_group',
1307                              help='Start listening on portals if it is not started yet.')
1308    p.add_argument(
1309        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1310    p.set_defaults(func=iscsi_start_portal_group)
1311
1312    def iscsi_create_initiator_group(args):
1313        initiators = []
1314        netmasks = []
1315        for i in args.initiator_list.strip().split(' '):
1316            initiators.append(i)
1317        for n in args.netmask_list.strip().split(' '):
1318            netmasks.append(n)
1319        rpc.iscsi.iscsi_create_initiator_group(
1320            args.client,
1321            tag=args.tag,
1322            initiators=initiators,
1323            netmasks=netmasks)
1324
1325    p = subparsers.add_parser('iscsi_create_initiator_group', aliases=['add_initiator_group'],
1326                              help='Add an initiator group')
1327    p.add_argument(
1328        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1329    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1330    enclosed in quotes.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""")
1331    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1332    Example: '255.255.0.0 255.248.0.0' etc""")
1333    p.set_defaults(func=iscsi_create_initiator_group)
1334
1335    def iscsi_initiator_group_add_initiators(args):
1336        initiators = None
1337        netmasks = None
1338        if args.initiator_list:
1339            initiators = []
1340            for i in args.initiator_list.strip().split(' '):
1341                initiators.append(i)
1342        if args.netmask_list:
1343            netmasks = []
1344            for n in args.netmask_list.strip().split(' '):
1345                netmasks.append(n)
1346        rpc.iscsi.iscsi_initiator_group_add_initiators(
1347            args.client,
1348            tag=args.tag,
1349            initiators=initiators,
1350            netmasks=netmasks)
1351
1352    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1353                              aliases=['add_initiators_to_initiator_group'],
1354                              help='Add initiators to an existing initiator group')
1355    p.add_argument(
1356        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1357    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1358    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""", required=False)
1359    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1360    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1361    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1362
1363    def iscsi_initiator_group_remove_initiators(args):
1364        initiators = None
1365        netmasks = None
1366        if args.initiator_list:
1367            initiators = []
1368            for i in args.initiator_list.strip().split(' '):
1369                initiators.append(i)
1370        if args.netmask_list:
1371            netmasks = []
1372            for n in args.netmask_list.strip().split(' '):
1373                netmasks.append(n)
1374        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1375            args.client,
1376            tag=args.tag,
1377            initiators=initiators,
1378            netmasks=netmasks)
1379
1380    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1381                              aliases=['delete_initiators_from_initiator_group'],
1382                              help='Delete initiators from an existing initiator group')
1383    p.add_argument(
1384        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1385    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1386    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""", required=False)
1387    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1388    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1389    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1390
1391    def iscsi_delete_target_node(args):
1392        rpc.iscsi.iscsi_delete_target_node(
1393            args.client, target_node_name=args.target_node_name)
1394
1395    p = subparsers.add_parser('iscsi_delete_target_node', aliases=['delete_target_node'],
1396                              help='Delete a target node')
1397    p.add_argument('target_node_name',
1398                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1399    p.set_defaults(func=iscsi_delete_target_node)
1400
1401    def iscsi_delete_portal_group(args):
1402        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1403
1404    p = subparsers.add_parser('iscsi_delete_portal_group',
1405                              aliases=['delete_portal_group'],
1406                              help='Delete a portal group')
1407    p.add_argument(
1408        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1409    p.set_defaults(func=iscsi_delete_portal_group)
1410
1411    def iscsi_delete_initiator_group(args):
1412        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1413
1414    p = subparsers.add_parser('iscsi_delete_initiator_group',
1415                              aliases=['delete_initiator_group'],
1416                              help='Delete an initiator group')
1417    p.add_argument(
1418        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1419    p.set_defaults(func=iscsi_delete_initiator_group)
1420
1421    def iscsi_portal_group_set_auth(args):
1422        rpc.iscsi.iscsi_portal_group_set_auth(
1423            args.client,
1424            tag=args.tag,
1425            chap_group=args.chap_group,
1426            disable_chap=args.disable_chap,
1427            require_chap=args.require_chap,
1428            mutual_chap=args.mutual_chap)
1429
1430    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1431                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1432    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1433    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1434    *** Authentication group must be precreated ***""", type=int, default=0)
1435    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1436    *** Mutually exclusive with --require-chap ***""", action='store_true')
1437    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1438    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1439    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1440                   action='store_true')
1441    p.set_defaults(func=iscsi_portal_group_set_auth)
1442
1443    def iscsi_get_connections(args):
1444        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1445
1446    p = subparsers.add_parser('iscsi_get_connections', aliases=['get_iscsi_connections'],
1447                              help='Display iSCSI connections')
1448    p.set_defaults(func=iscsi_get_connections)
1449
1450    def iscsi_get_options(args):
1451        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1452
1453    p = subparsers.add_parser('iscsi_get_options', aliases=['get_iscsi_global_params'],
1454                              help='Display iSCSI global parameters')
1455    p.set_defaults(func=iscsi_get_options)
1456
1457    def scsi_get_devices(args):
1458        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1459
1460    p = subparsers.add_parser('scsi_get_devices', aliases=['get_scsi_devices'],
1461                              help='Display SCSI devices')
1462    p.set_defaults(func=scsi_get_devices)
1463
1464    # trace
1465    def trace_enable_tpoint_group(args):
1466        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1467
1468    p = subparsers.add_parser('trace_enable_tpoint_group', aliases=['enable_tpoint_group'],
1469                              help='enable trace on a specific tpoint group')
1470    p.add_argument(
1471        'name', help="""trace group name we want to enable in tpoint_group_mask.
1472        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1473    p.set_defaults(func=trace_enable_tpoint_group)
1474
1475    def trace_disable_tpoint_group(args):
1476        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1477
1478    p = subparsers.add_parser('trace_disable_tpoint_group', aliases=['disable_tpoint_group'],
1479                              help='disable trace on a specific tpoint group')
1480    p.add_argument(
1481        'name', help="""trace group name we want to disable in tpoint_group_mask.
1482        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1483    p.set_defaults(func=trace_disable_tpoint_group)
1484
1485    def trace_get_tpoint_group_mask(args):
1486        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1487
1488    p = subparsers.add_parser('trace_get_tpoint_group_mask', aliases=['get_tpoint_group_mask'],
1489                              help='get trace point group mask')
1490    p.set_defaults(func=trace_get_tpoint_group_mask)
1491
1492    # log
1493    def log_set_flag(args):
1494        rpc.log.log_set_flag(args.client, flag=args.flag)
1495
1496    p = subparsers.add_parser('log_set_flag', help='set log flag', aliases=['set_log_flag'])
1497    p.add_argument(
1498        'flag', help='log flag we want to set. (for example "nvme").')
1499    p.set_defaults(func=log_set_flag)
1500
1501    def log_clear_flag(args):
1502        rpc.log.log_clear_flag(args.client, flag=args.flag)
1503
1504    p = subparsers.add_parser('log_clear_flag', help='clear log flag', aliases=['clear_log_flag'])
1505    p.add_argument(
1506        'flag', help='log flag we want to clear. (for example "nvme").')
1507    p.set_defaults(func=log_clear_flag)
1508
1509    def log_get_flags(args):
1510        print_dict(rpc.log.log_get_flags(args.client))
1511
1512    p = subparsers.add_parser('log_get_flags', help='get log flags', aliases=['get_log_flags'])
1513    p.set_defaults(func=log_get_flags)
1514
1515    def log_set_level(args):
1516        rpc.log.log_set_level(args.client, level=args.level)
1517
1518    p = subparsers.add_parser('log_set_level', aliases=['set_log_level'],
1519                              help='set log level')
1520    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1521    p.set_defaults(func=log_set_level)
1522
1523    def log_get_level(args):
1524        print_dict(rpc.log.log_get_level(args.client))
1525
1526    p = subparsers.add_parser('log_get_level', aliases=['get_log_level'],
1527                              help='get log level')
1528    p.set_defaults(func=log_get_level)
1529
1530    def log_set_print_level(args):
1531        rpc.log.log_set_print_level(args.client, level=args.level)
1532
1533    p = subparsers.add_parser('log_set_print_level', aliases=['set_log_print_level'],
1534                              help='set log print level')
1535    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1536    p.set_defaults(func=log_set_print_level)
1537
1538    def log_get_print_level(args):
1539        print_dict(rpc.log.log_get_print_level(args.client))
1540
1541    p = subparsers.add_parser('log_get_print_level', aliases=['get_log_print_level'],
1542                              help='get log print level')
1543    p.set_defaults(func=log_get_print_level)
1544
1545    # lvol
1546    def bdev_lvol_create_lvstore(args):
1547        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1548                                                     bdev_name=args.bdev_name,
1549                                                     lvs_name=args.lvs_name,
1550                                                     cluster_sz=args.cluster_sz,
1551                                                     clear_method=args.clear_method))
1552
1553    p = subparsers.add_parser('bdev_lvol_create_lvstore', aliases=['construct_lvol_store'],
1554                              help='Add logical volume store on base bdev')
1555    p.add_argument('bdev_name', help='base bdev name')
1556    p.add_argument('lvs_name', help='name for lvol store')
1557    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
1558    p.add_argument('--clear-method', help="""Change clear method for data region.
1559        Available: none, unmap, write_zeroes""", required=False)
1560    p.set_defaults(func=bdev_lvol_create_lvstore)
1561
1562    def bdev_lvol_rename_lvstore(args):
1563        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1564                                          old_name=args.old_name,
1565                                          new_name=args.new_name)
1566
1567    p = subparsers.add_parser('bdev_lvol_rename_lvstore', aliases=['rename_lvol_store'],
1568                              help='Change logical volume store name')
1569    p.add_argument('old_name', help='old name')
1570    p.add_argument('new_name', help='new name')
1571    p.set_defaults(func=bdev_lvol_rename_lvstore)
1572
1573    def bdev_lvol_create(args):
1574        print_json(rpc.lvol.bdev_lvol_create(args.client,
1575                                             lvol_name=args.lvol_name,
1576                                             size=args.size * 1024 * 1024,
1577                                             thin_provision=args.thin_provision,
1578                                             clear_method=args.clear_method,
1579                                             uuid=args.uuid,
1580                                             lvs_name=args.lvs_name))
1581
1582    p = subparsers.add_parser('bdev_lvol_create', aliases=['construct_lvol_bdev'],
1583                              help='Add a bdev with an logical volume backend')
1584    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1585    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1586    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
1587    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
1588        Available: none, unmap, write_zeroes""", required=False)
1589    p.add_argument('lvol_name', help='name for this lvol')
1590    p.add_argument('size', help='size in MiB for this bdev', type=int)
1591    p.set_defaults(func=bdev_lvol_create)
1592
1593    def bdev_lvol_snapshot(args):
1594        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
1595                                               lvol_name=args.lvol_name,
1596                                               snapshot_name=args.snapshot_name))
1597
1598    p = subparsers.add_parser('bdev_lvol_snapshot', aliases=['snapshot_lvol_bdev'],
1599                              help='Create a snapshot of an lvol bdev')
1600    p.add_argument('lvol_name', help='lvol bdev name')
1601    p.add_argument('snapshot_name', help='lvol snapshot name')
1602    p.set_defaults(func=bdev_lvol_snapshot)
1603
1604    def bdev_lvol_clone(args):
1605        print_json(rpc.lvol.bdev_lvol_clone(args.client,
1606                                            snapshot_name=args.snapshot_name,
1607                                            clone_name=args.clone_name))
1608
1609    p = subparsers.add_parser('bdev_lvol_clone', aliases=['clone_lvol_bdev'],
1610                              help='Create a clone of an lvol snapshot')
1611    p.add_argument('snapshot_name', help='lvol snapshot name')
1612    p.add_argument('clone_name', help='lvol clone name')
1613    p.set_defaults(func=bdev_lvol_clone)
1614
1615    def bdev_lvol_rename(args):
1616        rpc.lvol.bdev_lvol_rename(args.client,
1617                                  old_name=args.old_name,
1618                                  new_name=args.new_name)
1619
1620    p = subparsers.add_parser('bdev_lvol_rename', aliases=['rename_lvol_bdev'],
1621                              help='Change lvol bdev name')
1622    p.add_argument('old_name', help='lvol bdev name')
1623    p.add_argument('new_name', help='new lvol name')
1624    p.set_defaults(func=bdev_lvol_rename)
1625
1626    def bdev_lvol_inflate(args):
1627        rpc.lvol.bdev_lvol_inflate(args.client,
1628                                   name=args.name)
1629
1630    p = subparsers.add_parser('bdev_lvol_inflate', aliases=['inflate_lvol_bdev'],
1631                              help='Make thin provisioned lvol a thick provisioned lvol')
1632    p.add_argument('name', help='lvol bdev name')
1633    p.set_defaults(func=bdev_lvol_inflate)
1634
1635    def bdev_lvol_decouple_parent(args):
1636        rpc.lvol.bdev_lvol_decouple_parent(args.client,
1637                                           name=args.name)
1638
1639    p = subparsers.add_parser('bdev_lvol_decouple_parent', aliases=['decouple_parent_lvol_bdev'],
1640                              help='Decouple parent of lvol')
1641    p.add_argument('name', help='lvol bdev name')
1642    p.set_defaults(func=bdev_lvol_decouple_parent)
1643
1644    def bdev_lvol_resize(args):
1645        rpc.lvol.bdev_lvol_resize(args.client,
1646                                  name=args.name,
1647                                  size=args.size * 1024 * 1024)
1648
1649    p = subparsers.add_parser('bdev_lvol_resize', aliases=['resize_lvol_bdev'],
1650                              help='Resize existing lvol bdev')
1651    p.add_argument('name', help='lvol bdev name')
1652    p.add_argument('size', help='new size in MiB for this bdev', type=int)
1653    p.set_defaults(func=bdev_lvol_resize)
1654
1655    def bdev_lvol_set_read_only(args):
1656        rpc.lvol.bdev_lvol_set_read_only(args.client,
1657                                         name=args.name)
1658
1659    p = subparsers.add_parser('bdev_lvol_set_read_only', aliases=['set_read_only_lvol_bdev'],
1660                              help='Mark lvol bdev as read only')
1661    p.add_argument('name', help='lvol bdev name')
1662    p.set_defaults(func=bdev_lvol_set_read_only)
1663
1664    def bdev_lvol_delete(args):
1665        rpc.lvol.bdev_lvol_delete(args.client,
1666                                  name=args.name)
1667
1668    p = subparsers.add_parser('bdev_lvol_delete', aliases=['destroy_lvol_bdev'],
1669                              help='Destroy a logical volume')
1670    p.add_argument('name', help='lvol bdev name')
1671    p.set_defaults(func=bdev_lvol_delete)
1672
1673    def bdev_lvol_delete_lvstore(args):
1674        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
1675                                          uuid=args.uuid,
1676                                          lvs_name=args.lvs_name)
1677
1678    p = subparsers.add_parser('bdev_lvol_delete_lvstore', aliases=['destroy_lvol_store'],
1679                              help='Destroy an logical volume store')
1680    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1681    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1682    p.set_defaults(func=bdev_lvol_delete_lvstore)
1683
1684    def bdev_lvol_get_lvstores(args):
1685        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
1686                                                   uuid=args.uuid,
1687                                                   lvs_name=args.lvs_name))
1688
1689    p = subparsers.add_parser('bdev_lvol_get_lvstores', aliases=['get_lvol_stores'],
1690                              help='Display current logical volume store list')
1691    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1692    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1693    p.set_defaults(func=bdev_lvol_get_lvstores)
1694
1695    def bdev_raid_get_bdevs(args):
1696        print_array(rpc.bdev.bdev_raid_get_bdevs(args.client,
1697                                                 category=args.category))
1698
1699    p = subparsers.add_parser('bdev_raid_get_bdevs', aliases=['get_raid_bdevs'],
1700                              help="""This is used to list all the raid bdev names based on the input category
1701    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
1702    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
1703    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
1704    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
1705    p.add_argument('category', help='all or online or configuring or offline')
1706    p.set_defaults(func=bdev_raid_get_bdevs)
1707
1708    def bdev_raid_create(args):
1709        base_bdevs = []
1710        for u in args.base_bdevs.strip().split(" "):
1711            base_bdevs.append(u)
1712
1713        rpc.bdev.bdev_raid_create(args.client,
1714                                  name=args.name,
1715                                  strip_size_kb=args.strip_size_kb,
1716                                  raid_level=args.raid_level,
1717                                  base_bdevs=base_bdevs)
1718    p = subparsers.add_parser('bdev_raid_create', aliases=['construct_raid_bdev'],
1719                              help='Create new raid bdev')
1720    p.add_argument('-n', '--name', help='raid bdev name', required=True)
1721    p.add_argument('-z', '--strip-size_kb', help='strip size in KB', type=int)
1722    p.add_argument('-r', '--raid-level', help='raid level, only raid level 0 is supported', required=True)
1723    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
1724    p.set_defaults(func=bdev_raid_create)
1725
1726    def bdev_raid_delete(args):
1727        rpc.bdev.bdev_raid_delete(args.client,
1728                                  name=args.name)
1729    p = subparsers.add_parser('bdev_raid_delete', aliases=['destroy_raid_bdev'],
1730                              help='Delete existing raid bdev')
1731    p.add_argument('name', help='raid bdev name')
1732    p.set_defaults(func=bdev_raid_delete)
1733
1734    # split
1735    def bdev_split_create(args):
1736        print_array(rpc.bdev.bdev_split_create(args.client,
1737                                               base_bdev=args.base_bdev,
1738                                               split_count=args.split_count,
1739                                               split_size_mb=args.split_size_mb))
1740
1741    p = subparsers.add_parser('bdev_split_create', aliases=['construct_split_vbdev'],
1742                              help="""Add given disk name to split config. If bdev with base_name
1743    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
1744    available (during examination process).""")
1745    p.add_argument('base_bdev', help='base bdev name')
1746    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int, default=0)
1747    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
1748    exceed the base bdev size.""", type=int)
1749    p.set_defaults(func=bdev_split_create)
1750
1751    def bdev_split_delete(args):
1752        rpc.bdev.bdev_split_delete(args.client,
1753                                   base_bdev=args.base_bdev)
1754
1755    p = subparsers.add_parser('bdev_split_delete', aliases=['destruct_split_vbdev'],
1756                              help="""Delete split config with all created splits.""")
1757    p.add_argument('base_bdev', help='base bdev name')
1758    p.set_defaults(func=bdev_split_delete)
1759
1760    # ftl
1761    ftl_valid_limits = ('crit', 'high', 'low', 'start')
1762
1763    def bdev_ftl_create(args):
1764        def parse_limits(limits, arg_dict, key_suffix=''):
1765            for limit in limits.split(','):
1766                key, value = limit.split(':', 1)
1767                if key in ftl_valid_limits:
1768                    arg_dict['limit_' + key + key_suffix] = int(value)
1769                else:
1770                    raise ValueError('Limit {} is not supported'.format(key))
1771
1772        arg_limits = {}
1773        if args.limit_threshold:
1774            parse_limits(args.limit_threshold, arg_limits, '_threshold')
1775
1776        if args.limit:
1777            parse_limits(args.limit, arg_limits)
1778
1779        print_dict(rpc.bdev.bdev_ftl_create(args.client,
1780                                            name=args.name,
1781                                            base_bdev=args.base_bdev,
1782                                            uuid=args.uuid,
1783                                            cache=args.cache,
1784                                            allow_open_bands=args.allow_open_bands,
1785                                            overprovisioning=args.overprovisioning,
1786                                            l2p_path=args.l2p_path,
1787                                            use_append=args.use_append,
1788                                            **arg_limits))
1789
1790    p = subparsers.add_parser('bdev_ftl_create', aliases=['construct_ftl_bdev'], help='Add FTL bdev')
1791    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1792    p.add_argument('-d', '--base_bdev', help='Name of zoned bdev used as underlying device',
1793                   required=True)
1794    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
1795                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
1796    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache (optional)')
1797    p.add_argument('-o', '--allow_open_bands', help='Restoring after dirty shutdown without cache will'
1798                   ' result in partial data recovery, instead of error', action='store_true')
1799    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
1800                   ' to user (optional)', type=int)
1801    p.add_argument('--l2p_path', help='Path to persistent memory file or device to store l2p onto, '
1802                                      'by default l2p is kept in DRAM and is volatile (optional)')
1803    p.add_argument('--use_append', help='Use appends instead of writes', action='store_true')
1804
1805    limits = p.add_argument_group('Defrag limits', 'Configures defrag limits and thresholds for'
1806                                  ' levels ' + str(ftl_valid_limits)[1:-1])
1807    limits.add_argument('--limit', help='Percentage of allowed user versus internal writes at given'
1808                        ' levels, e.g. crit:0,high:20,low:80')
1809    limits.add_argument('--limit-threshold', help='Number of free bands triggering a given level of'
1810                        ' write limiting e.g. crit:1,high:2,low:3,start:4')
1811    p.set_defaults(func=bdev_ftl_create)
1812
1813    def bdev_ftl_delete(args):
1814        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name))
1815
1816    p = subparsers.add_parser('bdev_ftl_delete', aliases=['delete_ftl_bdev'],
1817                              help='Delete FTL bdev')
1818    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1819    p.set_defaults(func=bdev_ftl_delete)
1820
1821    # vmd
1822    def enable_vmd(args):
1823        print_dict(rpc.vmd.enable_vmd(args.client))
1824
1825    p = subparsers.add_parser('enable_vmd', help='Enable VMD enumeration')
1826    p.set_defaults(func=enable_vmd)
1827
1828    # nbd
1829    def nbd_start_disk(args):
1830        print(rpc.nbd.nbd_start_disk(args.client,
1831                                     bdev_name=args.bdev_name,
1832                                     nbd_device=args.nbd_device))
1833
1834    p = subparsers.add_parser('nbd_start_disk', aliases=['start_nbd_disk'],
1835                              help='Export a bdev as an nbd disk')
1836    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
1837    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
1838    p.set_defaults(func=nbd_start_disk)
1839
1840    def nbd_stop_disk(args):
1841        rpc.nbd.nbd_stop_disk(args.client,
1842                              nbd_device=args.nbd_device)
1843
1844    p = subparsers.add_parser('nbd_stop_disk', aliases=['stop_nbd_disk'],
1845                              help='Stop an nbd disk')
1846    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
1847    p.set_defaults(func=nbd_stop_disk)
1848
1849    def nbd_get_disks(args):
1850        print_dict(rpc.nbd.nbd_get_disks(args.client,
1851                                         nbd_device=args.nbd_device))
1852
1853    p = subparsers.add_parser('nbd_get_disks', aliases=['get_nbd_disks'],
1854                              help='Display full or specified nbd device list')
1855    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0", required=False)
1856    p.set_defaults(func=nbd_get_disks)
1857
1858    # net
1859    def net_interface_add_ip_address(args):
1860        rpc.net.net_interface_add_ip_address(args.client, ifc_index=args.ifc_index, ip_addr=args.ip_addr)
1861
1862    p = subparsers.add_parser('net_interface_add_ip_address', aliases=['add_ip_address'],
1863                              help='Add IP address')
1864    p.add_argument('ifc_index', help='ifc index of the nic device.', type=int)
1865    p.add_argument('ip_addr', help='ip address will be added.')
1866    p.set_defaults(func=net_interface_add_ip_address)
1867
1868    def net_interface_delete_ip_address(args):
1869        rpc.net.net_interface_delete_ip_address(args.client, ifc_index=args.ifc_index, ip_addr=args.ip_addr)
1870
1871    p = subparsers.add_parser('net_interface_delete_ip_address', aliases=['delete_ip_address'],
1872                              help='Delete IP address')
1873    p.add_argument('ifc_index', help='ifc index of the nic device.', type=int)
1874    p.add_argument('ip_addr', help='ip address will be deleted.')
1875    p.set_defaults(func=net_interface_delete_ip_address)
1876
1877    def net_get_interfaces(args):
1878        print_dict(rpc.net.net_get_interfaces(args.client))
1879
1880    p = subparsers.add_parser(
1881        'net_get_interfaces', aliases=['get_interfaces'], help='Display current interface list')
1882    p.set_defaults(func=net_get_interfaces)
1883
1884    # NVMe-oF
1885    def nvmf_set_max_subsystems(args):
1886        rpc.nvmf.nvmf_set_max_subsystems(args.client,
1887                                         max_subsystems=args.max_subsystems)
1888
1889    p = subparsers.add_parser('nvmf_set_max_subsystems', aliases=['set_nvmf_target_max_subsystems'],
1890                              help='Set the maximum number of NVMf target subsystems')
1891    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
1892    p.set_defaults(func=nvmf_set_max_subsystems)
1893
1894    def nvmf_set_config(args):
1895        rpc.nvmf.nvmf_set_config(args.client,
1896                                 acceptor_poll_rate=args.acceptor_poll_rate,
1897                                 conn_sched=args.conn_sched,
1898                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr)
1899
1900    p = subparsers.add_parser('nvmf_set_config', aliases=['set_nvmf_target_config'],
1901                              help='Set NVMf target config')
1902    p.add_argument('-r', '--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
1903    p.add_argument('-s', '--conn-sched', help='(Deprecated). Ignored.')
1904    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
1905    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
1906    p.set_defaults(func=nvmf_set_config)
1907
1908    def nvmf_create_transport(args):
1909        rpc.nvmf.nvmf_create_transport(**vars(args))
1910
1911    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
1912    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
1913    p.add_argument('-g', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
1914    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
1915    p.add_argument('-p', '--max-qpairs-per-ctrlr', help="""Max number of SQ and CQ per controller.
1916    Deprecated, use max-io-qpairs-per-ctrlr""", type=int)
1917    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
1918    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
1919    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
1920    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
1921    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
1922    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
1923    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
1924    p.add_argument('-d', '--num_cqe', help="""The number of CQ entires. Only used when no_srq=true.
1925    Relevant only for RDMA transport""", type=int)
1926    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
1927    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
1928    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
1929    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
1930    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
1931    p.add_argument('-l', '--acceptor_backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
1932    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
1933    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
1934    p.add_argument('-e', '--control_msg_num', help="""The number of control messages per poll group.
1935    Relevant only for TCP transport""", type=int)
1936    p.set_defaults(func=nvmf_create_transport)
1937
1938    def nvmf_get_transports(args):
1939        print_dict(rpc.nvmf.nvmf_get_transports(args.client, tgt_name=args.tgt_name))
1940
1941    p = subparsers.add_parser('nvmf_get_transports', aliases=['get_nvmf_transports'],
1942                              help='Display nvmf transports')
1943    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
1944    p.set_defaults(func=nvmf_get_transports)
1945
1946    def nvmf_get_subsystems(args):
1947        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, tgt_name=args.tgt_name))
1948
1949    p = subparsers.add_parser('nvmf_get_subsystems', aliases=['get_nvmf_subsystems'],
1950                              help='Display nvmf subsystems')
1951    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
1952    p.set_defaults(func=nvmf_get_subsystems)
1953
1954    def nvmf_create_subsystem(args):
1955        rpc.nvmf.nvmf_create_subsystem(args.client,
1956                                       nqn=args.nqn,
1957                                       tgt_name=args.tgt_name,
1958                                       serial_number=args.serial_number,
1959                                       model_number=args.model_number,
1960                                       allow_any_host=args.allow_any_host,
1961                                       max_namespaces=args.max_namespaces,
1962                                       ana_reporting=args.ana_reporting,
1963                                       min_cntlid=args.min_cntlid,
1964                                       max_cntlid=args.max_cntlid)
1965
1966    p = subparsers.add_parser('nvmf_create_subsystem', aliases=['nvmf_subsystem_create'],
1967                              help='Create an NVMe-oF subsystem')
1968    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
1969    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
1970    p.add_argument("-s", "--serial-number", help="""
1971    Format:  'sn' etc
1972    Example: 'SPDK00000000000001'""", default='00000000000000000000')
1973    p.add_argument("-d", "--model-number", help="""
1974    Format:  'mn' etc
1975    Example: 'SPDK Controller'""", default='SPDK bdev Controller')
1976    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
1977    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
1978                   type=int, default=0)
1979    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
1980    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int, default=1)
1981    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int, default=0xffef)
1982    p.set_defaults(func=nvmf_create_subsystem)
1983
1984    def nvmf_delete_subsystem(args):
1985        rpc.nvmf.nvmf_delete_subsystem(args.client,
1986                                       nqn=args.subsystem_nqn,
1987                                       tgt_name=args.tgt_name)
1988
1989    p = subparsers.add_parser('nvmf_delete_subsystem', aliases=['delete_nvmf_subsystem'],
1990                              help='Delete a nvmf subsystem')
1991    p.add_argument('subsystem_nqn',
1992                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
1993    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
1994    p.set_defaults(func=nvmf_delete_subsystem)
1995
1996    def nvmf_subsystem_add_listener(args):
1997        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
1998
1999    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2000    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2001    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2002    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2003    p.add_argument('-p', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2004    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2005    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2006    p.set_defaults(func=nvmf_subsystem_add_listener)
2007
2008    def nvmf_subsystem_remove_listener(args):
2009        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2010                                                nqn=args.nqn,
2011                                                trtype=args.trtype,
2012                                                traddr=args.traddr,
2013                                                tgt_name=args.tgt_name,
2014                                                adrfam=args.adrfam,
2015                                                trsvcid=args.trsvcid)
2016
2017    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2018    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2019    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2020    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2021    p.add_argument('-p', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2022    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2023    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2024    p.set_defaults(func=nvmf_subsystem_remove_listener)
2025
2026    def nvmf_subsystem_listener_set_ana_state(args):
2027        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2028                                                       nqn=args.nqn,
2029                                                       ana_state=args.ana_state,
2030                                                       trtype=args.trtype,
2031                                                       traddr=args.traddr,
2032                                                       tgt_name=args.tgt_name,
2033                                                       adrfam=args.adrfam,
2034                                                       trsvcid=args.trsvcid)
2035
2036    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2037    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2038    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non-optimized, or inaccessible', required=True)
2039    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2040    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2041    p.add_argument('-p', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2042    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2043    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2044    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2045
2046    def nvmf_subsystem_add_ns(args):
2047        rpc.nvmf.nvmf_subsystem_add_ns(args.client,
2048                                       nqn=args.nqn,
2049                                       bdev_name=args.bdev_name,
2050                                       tgt_name=args.tgt_name,
2051                                       ptpl_file=args.ptpl_file,
2052                                       nsid=args.nsid,
2053                                       nguid=args.nguid,
2054                                       eui64=args.eui64,
2055                                       uuid=args.uuid)
2056
2057    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2058    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2059    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2060    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2061    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2062    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2063    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2064    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2065    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2066    p.set_defaults(func=nvmf_subsystem_add_ns)
2067
2068    def nvmf_subsystem_remove_ns(args):
2069        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2070                                          nqn=args.nqn,
2071                                          nsid=args.nsid,
2072                                          tgt_name=args.tgt_name)
2073
2074    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2075    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2076    p.add_argument('nsid', help='The requested NSID', type=int)
2077    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2078    p.set_defaults(func=nvmf_subsystem_remove_ns)
2079
2080    def nvmf_subsystem_add_host(args):
2081        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2082                                         nqn=args.nqn,
2083                                         host=args.host,
2084                                         tgt_name=args.tgt_name)
2085
2086    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2087    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2088    p.add_argument('host', help='Host NQN to allow')
2089    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2090    p.set_defaults(func=nvmf_subsystem_add_host)
2091
2092    def nvmf_subsystem_remove_host(args):
2093        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2094                                            nqn=args.nqn,
2095                                            host=args.host,
2096                                            tgt_name=args.tgt_name)
2097
2098    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2099    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2100    p.add_argument('host', help='Host NQN to remove')
2101    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2102    p.set_defaults(func=nvmf_subsystem_remove_host)
2103
2104    def nvmf_subsystem_allow_any_host(args):
2105        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2106                                               nqn=args.nqn,
2107                                               disable=args.disable,
2108                                               tgt_name=args.tgt_name)
2109
2110    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2111    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2112    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2113    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2114    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2115    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2116
2117    def nvmf_subsystem_get_controllers(args):
2118        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2119                                                           nqn=args.nqn,
2120                                                           tgt_name=args.tgt_name))
2121
2122    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2123                              help='Display controllers of an NVMe-oF subsystem.')
2124    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2125    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2126    p.set_defaults(func=nvmf_subsystem_get_controllers)
2127
2128    def nvmf_subsystem_get_qpairs(args):
2129        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2130                                                      nqn=args.nqn,
2131                                                      tgt_name=args.tgt_name))
2132
2133    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2134                              help='Display queue pairs of an NVMe-oF subsystem.')
2135    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2136    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2137    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2138
2139    def nvmf_subsystem_get_listeners(args):
2140        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2141                                                         nqn=args.nqn,
2142                                                         tgt_name=args.tgt_name))
2143
2144    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2145                              help='Display listeners of an NVMe-oF subsystem.')
2146    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2147    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2148    p.set_defaults(func=nvmf_subsystem_get_listeners)
2149
2150    def nvmf_get_stats(args):
2151        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2152
2153    p = subparsers.add_parser(
2154        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2155    p.add_argument('-t', '--tgt_name', help='The name of the parent NVMe-oF target (optional)', type=str)
2156    p.set_defaults(func=nvmf_get_stats)
2157
2158    def nvmf_set_crdt(args):
2159        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2160
2161    p = subparsers.add_parser(
2162        'nvmf_set_crdt',
2163        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2164        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2165    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2166    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2167    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2168    p.set_defaults(func=nvmf_set_crdt)
2169
2170    # pmem
2171    def bdev_pmem_create_pool(args):
2172        num_blocks = int((args.total_size * 1024 * 1024) / args.block_size)
2173        rpc.pmem.bdev_pmem_create_pool(args.client,
2174                                       pmem_file=args.pmem_file,
2175                                       num_blocks=num_blocks,
2176                                       block_size=args.block_size)
2177
2178    p = subparsers.add_parser('bdev_pmem_create_pool', aliases=['create_pmem_pool'],
2179                              help='Create pmem pool')
2180    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2181    p.add_argument('total_size', help='Size of malloc bdev in MB (int > 0)', type=int)
2182    p.add_argument('block_size', help='Block size for this pmem pool', type=int)
2183    p.set_defaults(func=bdev_pmem_create_pool)
2184
2185    def bdev_pmem_get_pool_info(args):
2186        print_dict(rpc.pmem.bdev_pmem_get_pool_info(args.client,
2187                                                    pmem_file=args.pmem_file))
2188
2189    p = subparsers.add_parser('bdev_pmem_get_pool_info', aliases=['pmem_pool_info'],
2190                              help='Display pmem pool info and check consistency')
2191    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2192    p.set_defaults(func=bdev_pmem_get_pool_info)
2193
2194    def bdev_pmem_delete_pool(args):
2195        rpc.pmem.bdev_pmem_delete_pool(args.client,
2196                                       pmem_file=args.pmem_file)
2197
2198    p = subparsers.add_parser('bdev_pmem_delete_pool', aliases=['delete_pmem_pool'],
2199                              help='Delete pmem pool')
2200    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2201    p.set_defaults(func=bdev_pmem_delete_pool)
2202
2203    # subsystem
2204    def framework_get_subsystems(args):
2205        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2206
2207    p = subparsers.add_parser('framework_get_subsystems', aliases=['get_subsystems'],
2208                              help="""Print subsystems array in initialization order. Each subsystem
2209    entry contain (unsorted) array of subsystems it depends on.""")
2210    p.set_defaults(func=framework_get_subsystems)
2211
2212    def framework_get_config(args):
2213        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2214
2215    p = subparsers.add_parser('framework_get_config', aliases=['get_subsystem_config'],
2216                              help="""Print subsystem configuration""")
2217    p.add_argument('name', help='Name of subsystem to query')
2218    p.set_defaults(func=framework_get_config)
2219
2220    # vhost
2221    def vhost_controller_set_coalescing(args):
2222        rpc.vhost.vhost_controller_set_coalescing(args.client,
2223                                                  ctrlr=args.ctrlr,
2224                                                  delay_base_us=args.delay_base_us,
2225                                                  iops_threshold=args.iops_threshold)
2226
2227    p = subparsers.add_parser('vhost_controller_set_coalescing', aliases=['set_vhost_controller_coalescing'],
2228                              help='Set vhost controller coalescing')
2229    p.add_argument('ctrlr', help='controller name')
2230    p.add_argument('delay_base_us', help='Base delay time', type=int)
2231    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2232    p.set_defaults(func=vhost_controller_set_coalescing)
2233
2234    def vhost_create_scsi_controller(args):
2235        rpc.vhost.vhost_create_scsi_controller(args.client,
2236                                               ctrlr=args.ctrlr,
2237                                               cpumask=args.cpumask)
2238
2239    p = subparsers.add_parser(
2240        'vhost_create_scsi_controller', aliases=['construct_vhost_scsi_controller'],
2241        help='Add new vhost controller')
2242    p.add_argument('ctrlr', help='controller name')
2243    p.add_argument('--cpumask', help='cpu mask for this controller')
2244    p.set_defaults(func=vhost_create_scsi_controller)
2245
2246    def vhost_scsi_controller_add_target(args):
2247        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2248                                                              ctrlr=args.ctrlr,
2249                                                              scsi_target_num=args.scsi_target_num,
2250                                                              bdev_name=args.bdev_name))
2251
2252    p = subparsers.add_parser('vhost_scsi_controller_add_target',
2253                              aliases=['add_vhost_scsi_lun'],
2254                              help='Add lun to vhost controller')
2255    p.add_argument('ctrlr', help='conntroller name where add lun')
2256    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2257    p.add_argument('bdev_name', help='bdev name')
2258    p.set_defaults(func=vhost_scsi_controller_add_target)
2259
2260    def vhost_scsi_controller_remove_target(args):
2261        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2262                                                      ctrlr=args.ctrlr,
2263                                                      scsi_target_num=args.scsi_target_num)
2264
2265    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2266                              aliases=['remove_vhost_scsi_target'],
2267                              help='Remove target from vhost controller')
2268    p.add_argument('ctrlr', help='controller name to remove target from')
2269    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2270    p.set_defaults(func=vhost_scsi_controller_remove_target)
2271
2272    def vhost_create_blk_controller(args):
2273        rpc.vhost.vhost_create_blk_controller(args.client,
2274                                              ctrlr=args.ctrlr,
2275                                              dev_name=args.dev_name,
2276                                              cpumask=args.cpumask,
2277                                              readonly=args.readonly,
2278                                              packed_ring=args.packed_ring,
2279                                              packed_ring_recovery=args.packed_ring_recovery)
2280
2281    p = subparsers.add_parser('vhost_create_blk_controller',
2282                              aliases=['construct_vhost_blk_controller'],
2283                              help='Add a new vhost block controller')
2284    p.add_argument('ctrlr', help='controller name')
2285    p.add_argument('dev_name', help='device name')
2286    p.add_argument('--cpumask', help='cpu mask for this controller')
2287    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2288    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2289    p.add_argument("-l", "--packed_ring_recovery", action='store_true', help='Enable packed ring live reocvery')
2290    p.set_defaults(func=vhost_create_blk_controller)
2291
2292    def vhost_get_controllers(args):
2293        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2294
2295    p = subparsers.add_parser('vhost_get_controllers', aliases=['get_vhost_controllers'],
2296                              help='List all or specific vhost controller(s)')
2297    p.add_argument('-n', '--name', help="Name of vhost controller", required=False)
2298    p.set_defaults(func=vhost_get_controllers)
2299
2300    def vhost_delete_controller(args):
2301        rpc.vhost.vhost_delete_controller(args.client,
2302                                          ctrlr=args.ctrlr)
2303
2304    p = subparsers.add_parser('vhost_delete_controller', aliases=['remove_vhost_controller'],
2305                              help='Delete a vhost controller')
2306    p.add_argument('ctrlr', help='controller name')
2307    p.set_defaults(func=vhost_delete_controller)
2308
2309    def bdev_virtio_attach_controller(args):
2310        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2311                                                            name=args.name,
2312                                                            trtype=args.trtype,
2313                                                            traddr=args.traddr,
2314                                                            dev_type=args.dev_type,
2315                                                            vq_count=args.vq_count,
2316                                                            vq_size=args.vq_size))
2317
2318    p = subparsers.add_parser('bdev_virtio_attach_controller', aliases=['construct_virtio_dev'],
2319                              help="""Attach virtio controller using provided
2320    transport type and device type. This will also create bdevs for any block devices connected to the
2321    controller (for example, SCSI devices for a virtio-scsi controller).
2322    Result is array of added bdevs.""")
2323    p.add_argument('name', help="Use this name as base for new created bdevs")
2324    p.add_argument('-t', '--trtype',
2325                   help='Virtio target transport type: pci or user', required=True)
2326    p.add_argument('-a', '--traddr',
2327                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2328    p.add_argument('-d', '--dev-type',
2329                   help='Device type: blk or scsi', required=True)
2330    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2331    p.add_argument('--vq-size', help='Size of each queue', type=int)
2332    p.set_defaults(func=bdev_virtio_attach_controller)
2333
2334    def bdev_virtio_scsi_get_devices(args):
2335        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2336
2337    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', aliases=['get_virtio_scsi_devs'],
2338                              help='List all Virtio-SCSI devices.')
2339    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2340
2341    def bdev_virtio_detach_controller(args):
2342        rpc.vhost.bdev_virtio_detach_controller(args.client,
2343                                                name=args.name)
2344
2345    p = subparsers.add_parser('bdev_virtio_detach_controller', aliases=['remove_virtio_bdev'],
2346                              help="""Remove a Virtio device
2347    This will delete all bdevs exposed by this device""")
2348    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2349    p.set_defaults(func=bdev_virtio_detach_controller)
2350
2351    def bdev_virtio_blk_set_hotplug(args):
2352        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2353
2354    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2355    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2356    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2357    p.add_argument('-r', '--period-us',
2358                   help='How often the hotplug is processed for insert and remove events', type=int)
2359    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2360
2361    # OCSSD
2362    def bdev_ocssd_create(args):
2363        nsid = int(args.nsid) if args.nsid is not None else None
2364        print_json(rpc.bdev.bdev_ocssd_create(args.client,
2365                                              ctrlr_name=args.ctrlr_name,
2366                                              bdev_name=args.name,
2367                                              nsid=nsid))
2368
2369    p = subparsers.add_parser('bdev_ocssd_create',
2370                              help='Creates zoned bdev on specified Open Channel controller')
2371    p.add_argument('-c', '--ctrlr_name', help='Name of the OC NVMe controller', required=True)
2372    p.add_argument('-b', '--name', help='Name of the bdev to create', required=True)
2373    p.add_argument('-n', '--nsid', help='Namespace ID', required=False)
2374    p.set_defaults(func=bdev_ocssd_create)
2375
2376    def bdev_ocssd_delete(args):
2377        print_json(rpc.bdev.bdev_ocssd_delete(args.client,
2378                                              name=args.name))
2379
2380    p = subparsers.add_parser('bdev_ocssd_delete',
2381                              help='Deletes Open Channel bdev')
2382    p.add_argument('name', help='Name of the Open Channel bdev')
2383    p.set_defaults(func=bdev_ocssd_delete)
2384
2385    # ioat
2386    def ioat_scan_accel_engine(args):
2387        rpc.ioat.ioat_scan_accel_engine(args.client)
2388
2389    p = subparsers.add_parser('ioat_scan_accel_engine',
2390                              aliases=['ioat_scan_copy_engine', 'scan_ioat_copy_engine'],
2391                              help='Enable IOAT accel engine offload.')
2392    p.set_defaults(func=ioat_scan_accel_engine)
2393
2394    # idxd
2395    def idxd_scan_accel_engine(args):
2396        rpc.idxd.idxd_scan_accel_engine(args.client, config_number=args.config_number)
2397
2398    p = subparsers.add_parser('idxd_scan_accel_engine',
2399                              help='Set config and enable idxd accel engine offload.')
2400    p.add_argument('-c', '--config-number', help="""Pre-defined configuration number to use. See docs.""", type=int)
2401    p.set_defaults(func=idxd_scan_accel_engine)
2402
2403    # opal
2404    def bdev_nvme_opal_init(args):
2405        rpc.nvme.bdev_nvme_opal_init(args.client,
2406                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
2407                                     password=args.password)
2408
2409    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
2410    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2411    p.add_argument('-p', '--password', help='password for admin')
2412    p.set_defaults(func=bdev_nvme_opal_init)
2413
2414    def bdev_nvme_opal_revert(args):
2415        rpc.nvme.bdev_nvme_opal_revert(args.client,
2416                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
2417                                       password=args.password)
2418    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
2419    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2420    p.add_argument('-p', '--password', help='password')
2421    p.set_defaults(func=bdev_nvme_opal_revert)
2422
2423    def bdev_opal_create(args):
2424        print_json(rpc.bdev.bdev_opal_create(args.client,
2425                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
2426                                             nsid=args.nsid,
2427                                             locking_range_id=args.locking_range_id,
2428                                             range_start=args.range_start,
2429                                             range_length=args.range_length,
2430                                             password=args.password))
2431
2432    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
2433    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
2434    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
2435    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
2436    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
2437    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
2438    p.add_argument('-p', '--password', help='admin password', required=True)
2439    p.set_defaults(func=bdev_opal_create)
2440
2441    def bdev_opal_get_info(args):
2442        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
2443                                               bdev_name=args.bdev_name,
2444                                               password=args.password))
2445
2446    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
2447    p.add_argument('-b', '--bdev-name', help='opal bdev')
2448    p.add_argument('-p', '--password', help='password')
2449    p.set_defaults(func=bdev_opal_get_info)
2450
2451    def bdev_opal_delete(args):
2452        rpc.bdev.bdev_opal_delete(args.client,
2453                                  bdev_name=args.bdev_name,
2454                                  password=args.password)
2455
2456    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
2457    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
2458    p.add_argument('-p', '--password', help='admin password', required=True)
2459    p.set_defaults(func=bdev_opal_delete)
2460
2461    def bdev_opal_new_user(args):
2462        rpc.bdev.bdev_opal_new_user(args.client,
2463                                    bdev_name=args.bdev_name,
2464                                    admin_password=args.admin_password,
2465                                    user_id=args.user_id,
2466                                    user_password=args.user_password)
2467
2468    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
2469    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2470    p.add_argument('-p', '--admin-password', help='admin password', required=True)
2471    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
2472    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
2473    p.set_defaults(func=bdev_opal_new_user)
2474
2475    def bdev_opal_set_lock_state(args):
2476        rpc.bdev.bdev_opal_set_lock_state(args.client,
2477                                          bdev_name=args.bdev_name,
2478                                          user_id=args.user_id,
2479                                          password=args.password,
2480                                          lock_state=args.lock_state)
2481
2482    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
2483    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2484    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',
2485                   type=int, required=True)
2486    p.add_argument('-p', '--password', help='password of this user', required=True)
2487    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
2488    p.set_defaults(func=bdev_opal_set_lock_state)
2489
2490    # bdev_nvme_send_cmd
2491    def bdev_nvme_send_cmd(args):
2492        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
2493                                               name=args.nvme_name,
2494                                               cmd_type=args.cmd_type,
2495                                               data_direction=args.data_direction,
2496                                               cmdbuf=args.cmdbuf,
2497                                               data=args.data,
2498                                               metadata=args.metadata,
2499                                               data_len=args.data_length,
2500                                               metadata_len=args.metadata_length,
2501                                               timeout_ms=args.timeout_ms))
2502
2503    p = subparsers.add_parser('bdev_nvme_send_cmd', aliases=['send_nvme_cmd'],
2504                              help='NVMe passthrough cmd.')
2505    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
2506    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
2507    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
2508    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
2509    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
2510    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
2511    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
2512    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
2513    p.add_argument('-T', '--timeout-ms',
2514                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int, default=0)
2515    p.set_defaults(func=bdev_nvme_send_cmd)
2516
2517    # Notifications
2518    def notify_get_types(args):
2519        print_dict(rpc.notify.notify_get_types(args.client))
2520
2521    p = subparsers.add_parser('notify_get_types', aliases=['get_notification_types'],
2522                              help='List available notifications that user can subscribe to.')
2523    p.set_defaults(func=notify_get_types)
2524
2525    def notify_get_notifications(args):
2526        ret = rpc.notify.notify_get_notifications(args.client,
2527                                                  id=args.id,
2528                                                  max=args.max)
2529        print_dict(ret)
2530
2531    p = subparsers.add_parser('notify_get_notifications', aliases=['get_notifications'],
2532                              help='Get notifications')
2533    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
2534    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
2535    p.set_defaults(func=notify_get_notifications)
2536
2537    def thread_get_stats(args):
2538        print_dict(rpc.app.thread_get_stats(args.client))
2539
2540    p = subparsers.add_parser(
2541        'thread_get_stats', help='Display current statistics of all the threads')
2542    p.set_defaults(func=thread_get_stats)
2543
2544    def thread_set_cpumask(args):
2545        ret = rpc.app.thread_set_cpumask(args.client,
2546                                         id=args.id,
2547                                         cpumask=args.cpumask)
2548    p = subparsers.add_parser('thread_set_cpumask',
2549                              help="""set the cpumask of the thread whose ID matches to the
2550    specified value. The thread may be migrated to one of the specified CPUs.""")
2551    p.add_argument('-i', '--id', type=int, help='thread ID')
2552    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
2553    p.set_defaults(func=thread_set_cpumask)
2554
2555    def log_enable_timestamps(args):
2556        ret = rpc.app.log_enable_timestamps(args.client,
2557                                            enabled=args.enabled)
2558    p = subparsers.add_parser('log_enable_timestamps',
2559                              help='Enable or disable timestamps.')
2560    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
2561    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
2562    p.set_defaults(func=log_enable_timestamps)
2563
2564    def thread_get_pollers(args):
2565        print_dict(rpc.app.thread_get_pollers(args.client))
2566
2567    p = subparsers.add_parser(
2568        'thread_get_pollers', help='Display current pollers of all the threads')
2569    p.set_defaults(func=thread_get_pollers)
2570
2571    def thread_get_io_channels(args):
2572        print_dict(rpc.app.thread_get_io_channels(args.client))
2573
2574    p = subparsers.add_parser(
2575        'thread_get_io_channels', help='Display current IO channels of all the threads')
2576    p.set_defaults(func=thread_get_io_channels)
2577
2578    def env_dpdk_get_mem_stats(args):
2579        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
2580
2581    p = subparsers.add_parser(
2582        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
2583    p.set_defaults(func=env_dpdk_get_mem_stats)
2584
2585    # blobfs
2586    def blobfs_detect(args):
2587        print(rpc.blobfs.blobfs_detect(args.client,
2588                                       bdev_name=args.bdev_name))
2589
2590    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
2591    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
2592    p.set_defaults(func=blobfs_detect)
2593
2594    def blobfs_create(args):
2595        print(rpc.blobfs.blobfs_create(args.client,
2596                                       bdev_name=args.bdev_name,
2597                                       cluster_sz=args.cluster_sz))
2598
2599    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
2600    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
2601    p.add_argument('-c', '--cluster_sz',
2602                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
2603    p.set_defaults(func=blobfs_create)
2604
2605    def blobfs_mount(args):
2606        print(rpc.blobfs.blobfs_mount(args.client,
2607                                      bdev_name=args.bdev_name,
2608                                      mountpoint=args.mountpoint))
2609
2610    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
2611    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
2612    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
2613    p.set_defaults(func=blobfs_mount)
2614
2615    def blobfs_set_cache_size(args):
2616        print(rpc.blobfs.blobfs_set_cache_size(args.client,
2617                                               size_in_mb=args.size_in_mb))
2618
2619    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
2620    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
2621    p.set_defaults(func=blobfs_set_cache_size)
2622
2623    # sock
2624    def sock_impl_get_options(args):
2625        print_json(rpc.sock.sock_impl_get_options(args.client,
2626                                                  impl_name=args.impl))
2627
2628    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
2629    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2630    p.set_defaults(func=sock_impl_get_options)
2631
2632    def sock_impl_set_options(args):
2633        rpc.sock.sock_impl_set_options(args.client,
2634                                       impl_name=args.impl,
2635                                       recv_buf_size=args.recv_buf_size,
2636                                       send_buf_size=args.send_buf_size,
2637                                       enable_recv_pipe=args.enable_recv_pipe,
2638                                       enable_zerocopy_send=args.enable_zerocopy_send,
2639                                       enable_quickack=args.enable_quickack,
2640                                       enable_placement_id=args.enable_placement_id,
2641                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
2642                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client)
2643
2644    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
2645    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2646    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
2647    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
2648    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
2649    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
2650                   action='store_true', dest='enable_recv_pipe')
2651    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
2652                   action='store_false', dest='enable_recv_pipe')
2653    p.add_argument('--enable-zerocopy-send', help="""Enable zerocopy on send
2654    (Deprecated, use enable-zerocopy-send-server or enable-zerocopy-send-client)""",
2655                   action='store_true', dest='enable_zerocopy_send')
2656    p.add_argument('--disable-zerocopy-send', help="""Enable zerocopy on send
2657    (Deprecated, use disable-zerocopy-send-server or disable-zerocopy-send-client)""",
2658                   action='store_false', dest='enable_zerocopy_send')
2659    p.add_argument('--enable-quickack', help='Enable quick ACK',
2660                   action='store_true', dest='enable_quickack')
2661    p.add_argument('--disable-quickack', help='Disable quick ACK',
2662                   action='store_false', dest='enable_quickack')
2663    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
2664                   action='store_true', dest='enable_zerocopy_send_server')
2665    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
2666                   action='store_false', dest='enable_zerocopy_server_client')
2667    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
2668                   action='store_true', dest='enable_zerocopy_send_client')
2669    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
2670                   action='store_false', dest='enable_zerocopy_send_client')
2671    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_zerocopy_send=None,
2672                   enable_quickack=None, enable_placement_id=None, enable_zerocopy_send_server=None,
2673                   enable_zerocopy_send_client=None)
2674
2675    def sock_set_default_impl(args):
2676        print_json(rpc.sock.sock_set_default_impl(args.client,
2677                                                  impl_name=args.impl))
2678
2679    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
2680    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2681    p.set_defaults(func=sock_set_default_impl)
2682
2683    def check_called_name(name):
2684        if name in deprecated_aliases:
2685            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
2686
2687    class dry_run_client:
2688        def call(self, method, params=None):
2689            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
2690
2691    def null_print(arg):
2692        pass
2693
2694    def call_rpc_func(args):
2695        args.func(args)
2696        check_called_name(args.called_rpc_name)
2697
2698    def execute_script(parser, client, fd):
2699        executed_rpc = ""
2700        for rpc_call in map(str.rstrip, fd):
2701            if not rpc_call.strip():
2702                continue
2703            executed_rpc = "\n".join([executed_rpc, rpc_call])
2704            args = parser.parse_args(shlex.split(rpc_call))
2705            args.client = client
2706            try:
2707                call_rpc_func(args)
2708            except JSONRPCException as ex:
2709                print("Exception:")
2710                print(executed_rpc.strip() + " <<<")
2711                print(ex.message)
2712                exit(1)
2713
2714    def load_plugin(args):
2715        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
2716        plugin_parser = argparse.ArgumentParser(add_help=False)
2717        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
2718
2719        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
2720        if args is not None:
2721            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
2722
2723        if rpc_module is not None:
2724            try:
2725                rpc_plugin = importlib.import_module(rpc_module)
2726                try:
2727                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
2728                except AttributeError:
2729                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
2730            except ModuleNotFoundError:
2731                print("Module %s not found" % rpc_module)
2732
2733    load_plugin(None)
2734
2735    args = parser.parse_args()
2736
2737    if sys.stdin.isatty() and not hasattr(args, 'func'):
2738        # No arguments and no data piped through stdin
2739        parser.print_help()
2740        exit(1)
2741    if args.is_server:
2742        for input in sys.stdin:
2743            cmd = shlex.split(input)
2744            try:
2745                load_plugin(cmd)
2746                tmp_args = parser.parse_args(cmd)
2747            except SystemExit as ex:
2748                print("**STATUS=1", flush=True)
2749                continue
2750
2751            try:
2752                tmp_args.client = rpc.client.JSONRPCClient(
2753                    tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
2754                    log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
2755                call_rpc_func(tmp_args)
2756                print("**STATUS=0", flush=True)
2757            except JSONRPCException as ex:
2758                print(ex.message)
2759                print("**STATUS=1", flush=True)
2760        exit(0)
2761    elif args.dry_run:
2762        args.client = dry_run_client()
2763        print_dict = null_print
2764        print_json = null_print
2765        print_array = null_print
2766    else:
2767        try:
2768            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
2769                                                   log_level=getattr(logging, args.verbose.upper()),
2770                                                   conn_retries=args.conn_retries)
2771        except JSONRPCException as ex:
2772            print(ex.message)
2773            exit(1)
2774
2775    if hasattr(args, 'func'):
2776        try:
2777            call_rpc_func(args)
2778        except JSONRPCException as ex:
2779            print(ex.message)
2780            exit(1)
2781    else:
2782        execute_script(parser, args.client, sys.stdin)
2783