xref: /spdk/scripts/rpc.py (revision 35a2f4e22e23b38062bfbc70ced5f2417febe5f3)
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                                               optimal_io_boundary=args.optimal_io_boundary))
346    p = subparsers.add_parser('bdev_malloc_create', aliases=['construct_malloc_bdev'],
347                              help='Create a bdev with malloc backend')
348    p.add_argument('-b', '--name', help="Name of the bdev")
349    p.add_argument('-u', '--uuid', help="UUID of the bdev")
350    p.add_argument(
351        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
352    p.add_argument('block_size', help='Block size for this bdev', type=int)
353    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
354    blocks, default 0 (disabled)""", type=int)
355    p.set_defaults(func=bdev_malloc_create)
356
357    def bdev_malloc_delete(args):
358        rpc.bdev.bdev_malloc_delete(args.client,
359                                    name=args.name)
360
361    p = subparsers.add_parser('bdev_malloc_delete', aliases=['delete_malloc_bdev'],
362                              help='Delete a malloc disk')
363    p.add_argument('name', help='malloc bdev name')
364    p.set_defaults(func=bdev_malloc_delete)
365
366    def bdev_null_create(args):
367        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
368        if args.dif_type and not args.md_size:
369            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
370            exit(1)
371        print_json(rpc.bdev.bdev_null_create(args.client,
372                                             num_blocks=num_blocks,
373                                             block_size=args.block_size,
374                                             name=args.name,
375                                             uuid=args.uuid,
376                                             md_size=args.md_size,
377                                             dif_type=args.dif_type,
378                                             dif_is_head_of_md=args.dif_is_head_of_md))
379
380    p = subparsers.add_parser('bdev_null_create', aliases=['construct_null_bdev'],
381                              help='Add a bdev with null backend')
382    p.add_argument('name', help='Block device name')
383    p.add_argument('-u', '--uuid', help='UUID of the bdev')
384    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
385    p.add_argument('block_size', help='Block size for this bdev.'
386                                      'Should be a sum of block size and metadata size if --md-size is used.', type=int)
387    p.add_argument('-m', '--md-size', type=int,
388                   help='Metadata size for this bdev. Default=0.')
389    p.add_argument('-t', '--dif-type', type=int, default=0, choices=[0, 1, 2, 3],
390                   help='Protection information type. Parameter --md-size needs'
391                        'to be set along --dif-type. Default=0 - no protection.')
392    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
393                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
394    p.set_defaults(func=bdev_null_create)
395
396    def bdev_null_delete(args):
397        rpc.bdev.bdev_null_delete(args.client,
398                                  name=args.name)
399
400    p = subparsers.add_parser('bdev_null_delete', aliases=['delete_null_bdev'],
401                              help='Delete a null bdev')
402    p.add_argument('name', help='null bdev name')
403    p.set_defaults(func=bdev_null_delete)
404
405    def bdev_null_resize(args):
406        print_json(rpc.bdev.bdev_null_resize(args.client,
407                                             name=args.name,
408                                             new_size=int(args.new_size)))
409
410    p = subparsers.add_parser('bdev_null_resize',
411                              help='Resize a null bdev')
412    p.add_argument('name', help='null bdev name')
413    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
414    p.set_defaults(func=bdev_null_resize)
415
416    def bdev_aio_create(args):
417        print_json(rpc.bdev.bdev_aio_create(args.client,
418                                            filename=args.filename,
419                                            name=args.name,
420                                            block_size=args.block_size))
421
422    p = subparsers.add_parser('bdev_aio_create', aliases=['construct_aio_bdev'],
423                              help='Add a bdev with aio backend')
424    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
425    p.add_argument('name', help='Block device name')
426    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
427    p.set_defaults(func=bdev_aio_create)
428
429    def bdev_aio_delete(args):
430        rpc.bdev.bdev_aio_delete(args.client,
431                                 name=args.name)
432
433    p = subparsers.add_parser('bdev_aio_delete', aliases=['delete_aio_bdev'],
434                              help='Delete an aio disk')
435    p.add_argument('name', help='aio bdev name')
436    p.set_defaults(func=bdev_aio_delete)
437
438    def bdev_uring_create(args):
439        print_json(rpc.bdev.bdev_uring_create(args.client,
440                                              filename=args.filename,
441                                              name=args.name,
442                                              block_size=args.block_size))
443
444    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
445    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
446    p.add_argument('name', help='bdev name')
447    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?', default=0)
448    p.set_defaults(func=bdev_uring_create)
449
450    def bdev_uring_delete(args):
451        rpc.bdev.bdev_uring_delete(args.client,
452                                   name=args.name)
453
454    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
455    p.add_argument('name', help='uring bdev name')
456    p.set_defaults(func=bdev_uring_delete)
457
458    def bdev_nvme_set_options(args):
459        rpc.bdev.bdev_nvme_set_options(args.client,
460                                       action_on_timeout=args.action_on_timeout,
461                                       timeout_us=args.timeout_us,
462                                       timeout_admin_us=args.timeout_admin_us,
463                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
464                                       retry_count=args.retry_count,
465                                       arbitration_burst=args.arbitration_burst,
466                                       low_priority_weight=args.low_priority_weight,
467                                       medium_priority_weight=args.medium_priority_weight,
468                                       high_priority_weight=args.high_priority_weight,
469                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
470                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
471                                       io_queue_requests=args.io_queue_requests,
472                                       delay_cmd_submit=args.delay_cmd_submit,
473                                       transport_retry_count=args.transport_retry_count,
474                                       bdev_retry_count=args.bdev_retry_count)
475
476    p = subparsers.add_parser('bdev_nvme_set_options', aliases=['set_bdev_nvme_options'],
477                              help='Set options for the bdev nvme type. This is startup command.')
478    p.add_argument('-a', '--action-on-timeout',
479                   help="Action to take on command time out. Valid valies are: none, reset, abort")
480    p.add_argument('-t', '--timeout-us',
481                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
482    p.add_argument('--timeout-admin-us',
483                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
484    p.add_argument('-k', '--keep-alive-timeout-ms',
485                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
486    p.add_argument('-n', '--retry-count',
487                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
488    p.add_argument('--arbitration-burst',
489                   help='the value is expressed as a power of two', type=int)
490    p.add_argument('--low-priority-weight',
491                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
492    p.add_argument('--medium-priority-weight',
493                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
494    p.add_argument('--high-priority-weight',
495                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
496    p.add_argument('-p', '--nvme-adminq-poll-period-us',
497                   help='How often the admin queue is polled for asynchronous events', type=int)
498    p.add_argument('-i', '--nvme-ioq-poll-period-us',
499                   help='How often to poll I/O queues for completions', type=int)
500    p.add_argument('-s', '--io-queue-requests',
501                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
502    p.add_argument('-d', '--disable-delay-cmd-submit',
503                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
504                   action='store_false', dest='delay_cmd_submit', default=True)
505    p.add_argument('-c', '--transport-retry-count',
506                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
507    p.add_argument('-r', '--bdev-retry-count',
508                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
509
510    p.set_defaults(func=bdev_nvme_set_options)
511
512    def bdev_nvme_set_hotplug(args):
513        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
514
515    p = subparsers.add_parser('bdev_nvme_set_hotplug', aliases=['set_bdev_nvme_hotplug'],
516                              help='Set hotplug options for bdev nvme type.')
517    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
518    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
519    p.add_argument('-r', '--period-us',
520                   help='How often the hotplug is processed for insert and remove events', type=int)
521    p.set_defaults(func=bdev_nvme_set_hotplug)
522
523    def bdev_nvme_attach_controller(args):
524        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
525                                                         name=args.name,
526                                                         trtype=args.trtype,
527                                                         traddr=args.traddr,
528                                                         adrfam=args.adrfam,
529                                                         trsvcid=args.trsvcid,
530                                                         priority=args.priority,
531                                                         subnqn=args.subnqn,
532                                                         hostnqn=args.hostnqn,
533                                                         hostaddr=args.hostaddr,
534                                                         hostsvcid=args.hostsvcid,
535                                                         prchk_reftag=args.prchk_reftag,
536                                                         prchk_guard=args.prchk_guard,
537                                                         hdgst=args.hdgst,
538                                                         ddgst=args.ddgst,
539                                                         fabrics_timeout=args.fabrics_timeout,
540                                                         multipath=args.multipath))
541
542    p = subparsers.add_parser('bdev_nvme_attach_controller', aliases=['construct_nvme_bdev'],
543                              help='Add bdevs with nvme backend')
544    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
545    p.add_argument('-t', '--trtype',
546                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
547    p.add_argument('-a', '--traddr',
548                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
549    p.add_argument('-f', '--adrfam',
550                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
551    p.add_argument('-s', '--trsvcid',
552                   help='NVMe-oF target trsvcid: e.g., a port number')
553    p.add_argument('-p', '--priority',
554                   help='NVMe-oF connection priority: e.g., a priority number')
555    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
556    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
557    p.add_argument('-i', '--hostaddr',
558                   help='NVMe-oF host address: e.g., an ip address')
559    p.add_argument('-c', '--hostsvcid',
560                   help='NVMe-oF host svcid: e.g., a port number')
561    p.add_argument('-r', '--prchk-reftag',
562                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
563    p.add_argument('-g', '--prchk-guard',
564                   help='Enable checking of PI guard for I/O processing.', action='store_true')
565    p.add_argument('-e', '--hdgst',
566                   help='Enable TCP header digest.', action='store_true')
567    p.add_argument('-d', '--ddgst',
568                   help='Enable TCP data digest.', action='store_true')
569    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
570    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
571    p.set_defaults(func=bdev_nvme_attach_controller)
572
573    def bdev_nvme_get_controllers(args):
574        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
575                                                      name=args.name))
576
577    p = subparsers.add_parser(
578        'bdev_nvme_get_controllers', aliases=['get_nvme_controllers'],
579        help='Display current NVMe controllers list or required NVMe controller')
580    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0", required=False)
581    p.set_defaults(func=bdev_nvme_get_controllers)
582
583    def bdev_nvme_detach_controller(args):
584        rpc.bdev.bdev_nvme_detach_controller(args.client,
585                                             name=args.name,
586                                             trtype=args.trtype,
587                                             traddr=args.traddr,
588                                             adrfam=args.adrfam,
589                                             trsvcid=args.trsvcid,
590                                             subnqn=args.subnqn,
591                                             hostaddr=args.hostaddr,
592                                             hostsvcid=args.hostsvcid)
593
594    p = subparsers.add_parser('bdev_nvme_detach_controller', aliases=['delete_nvme_controller'],
595                              help='Detach an NVMe controller and delete any associated bdevs')
596    p.add_argument('name', help="Name of the controller")
597    p.add_argument('-t', '--trtype',
598                   help='NVMe-oF target trtype: e.g., rdma, pcie')
599    p.add_argument('-a', '--traddr',
600                   help='NVMe-oF target address: e.g., an ip address or BDF')
601    p.add_argument('-f', '--adrfam',
602                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
603    p.add_argument('-s', '--trsvcid',
604                   help='NVMe-oF target trsvcid: e.g., a port number')
605    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
606    p.add_argument('-i', '--hostaddr',
607                   help='NVMe-oF host address: e.g., an ip address')
608    p.add_argument('-c', '--hostsvcid',
609                   help='NVMe-oF host svcid: e.g., a port number')
610    p.set_defaults(func=bdev_nvme_detach_controller)
611
612    def bdev_nvme_reset_controller(args):
613        rpc.bdev.bdev_nvme_reset_controller(args.client, name=args.name)
614
615    p = subparsers.add_parser('bdev_nvme_reset_controller',
616                              help='Reset an NVMe controller')
617    p.add_argument('name', help="Name of the NVMe controller")
618    p.set_defaults(func=bdev_nvme_reset_controller)
619
620    def bdev_nvme_cuse_register(args):
621        rpc.bdev.bdev_nvme_cuse_register(args.client,
622                                         name=args.name)
623
624    p = subparsers.add_parser('bdev_nvme_cuse_register',
625                              help='Register CUSE devices on NVMe controller')
626    p.add_argument('-n', '--name',
627                   help='Name of the NVMe controller. Example: Nvme0', required=True)
628    p.set_defaults(func=bdev_nvme_cuse_register)
629
630    def bdev_nvme_cuse_unregister(args):
631        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
632                                           name=args.name)
633
634    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
635                              help='Unregister CUSE devices on NVMe controller')
636    p.add_argument('-n', '--name',
637                   help='Name of the NVMe controller. Example: Nvme0', required=True)
638    p.set_defaults(func=bdev_nvme_cuse_unregister)
639
640    def bdev_zone_block_create(args):
641        print_json(rpc.bdev.bdev_zone_block_create(args.client,
642                                                   name=args.name,
643                                                   base_bdev=args.base_bdev,
644                                                   zone_capacity=args.zone_capacity,
645                                                   optimal_open_zones=args.optimal_open_zones))
646
647    p = subparsers.add_parser('bdev_zone_block_create',
648                              help='Create virtual zone namespace device with block device backend')
649    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
650    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
651    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
652    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
653    p.set_defaults(func=bdev_zone_block_create)
654
655    def bdev_zone_block_delete(args):
656        rpc.bdev.bdev_zone_block_delete(args.client,
657                                        name=args.name)
658
659    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
660    p.add_argument('name', help='Virtual zone bdev name')
661    p.set_defaults(func=bdev_zone_block_delete)
662
663    def bdev_rbd_register_cluster(args):
664        config_param = None
665        if args.config_param:
666            config_param = {}
667            for entry in args.config:
668                parts = entry.split('=', 1)
669                if len(parts) != 2:
670                    raise Exception('--config %s not in key=value form' % entry)
671                config_param[parts[0]] = parts[1]
672        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
673                                                      name=args.name,
674                                                      user=args.user,
675                                                      config_param=config_param,
676                                                      config_file=args.config_file))
677
678    p = subparsers.add_parser('bdev_rbd_register_cluster',
679                              help='Add a Rados cluster with ceph rbd backend')
680    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
681    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
682    p.add_argument('--config-param', action='append', metavar='key=value',
683                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
684    p.add_argument('--config-file', help="The file path of the Rados configuration file", required=False)
685    p.set_defaults(func=bdev_rbd_register_cluster)
686
687    def bdev_rbd_unregister_cluster(args):
688        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
689
690    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
691                              help='Unregister a Rados cluster object')
692    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
693    p.set_defaults(func=bdev_rbd_unregister_cluster)
694
695    def bdev_rbd_get_clusters_info(args):
696        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
697
698    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
699                              help='Display registered Rados Cluster names and related info')
700    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1", required=False)
701    p.set_defaults(func=bdev_rbd_get_clusters_info)
702
703    def bdev_rbd_create(args):
704        config = None
705        if args.config:
706            config = {}
707            for entry in args.config:
708                parts = entry.split('=', 1)
709                if len(parts) != 2:
710                    raise Exception('--config %s not in key=value form' % entry)
711                config[parts[0]] = parts[1]
712        print_json(rpc.bdev.bdev_rbd_create(args.client,
713                                            name=args.name,
714                                            user=args.user,
715                                            config=config,
716                                            pool_name=args.pool_name,
717                                            rbd_name=args.rbd_name,
718                                            block_size=args.block_size,
719                                            cluster_name=args.cluster_name,
720                                            uuid=args.uuid))
721
722    p = subparsers.add_parser('bdev_rbd_create', aliases=['construct_rbd_bdev'],
723                              help='Add a bdev with ceph rbd backend')
724    p.add_argument('-b', '--name', help="Name of the bdev", required=False)
725    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
726    p.add_argument('--config', action='append', metavar='key=value',
727                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
728    p.add_argument('pool_name', help='rbd pool name')
729    p.add_argument('rbd_name', help='rbd image name')
730    p.add_argument('block_size', help='rbd block size', type=int)
731    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster", required=False)
732    p.add_argument('-u', '--uuid', help="UUID of the bdev")
733    p.set_defaults(func=bdev_rbd_create)
734
735    def bdev_rbd_delete(args):
736        rpc.bdev.bdev_rbd_delete(args.client,
737                                 name=args.name)
738
739    p = subparsers.add_parser('bdev_rbd_delete', aliases=['delete_rbd_bdev'],
740                              help='Delete a rbd bdev')
741    p.add_argument('name', help='rbd bdev name')
742    p.set_defaults(func=bdev_rbd_delete)
743
744    def bdev_rbd_resize(args):
745        print_json(rpc.bdev.bdev_rbd_resize(args.client,
746                                            name=args.name,
747                                            new_size=int(args.new_size)))
748        rpc.bdev.bdev_rbd_resize(args.client,
749                                 name=args.name,
750                                 new_size=int(args.new_size))
751
752    p = subparsers.add_parser('bdev_rbd_resize',
753                              help='Resize a rbd bdev')
754    p.add_argument('name', help='rbd bdev name')
755    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
756    p.set_defaults(func=bdev_rbd_resize)
757
758    def bdev_delay_create(args):
759        print_json(rpc.bdev.bdev_delay_create(args.client,
760                                              base_bdev_name=args.base_bdev_name,
761                                              name=args.name,
762                                              avg_read_latency=args.avg_read_latency,
763                                              p99_read_latency=args.nine_nine_read_latency,
764                                              avg_write_latency=args.avg_write_latency,
765                                              p99_write_latency=args.nine_nine_write_latency))
766
767    p = subparsers.add_parser('bdev_delay_create',
768                              help='Add a delay bdev on existing bdev')
769    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
770    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
771    p.add_argument('-r', '--avg-read-latency',
772                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
773    p.add_argument('-t', '--nine-nine-read-latency',
774                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
775    p.add_argument('-w', '--avg-write-latency',
776                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
777    p.add_argument('-n', '--nine-nine-write-latency',
778                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
779    p.set_defaults(func=bdev_delay_create)
780
781    def bdev_delay_delete(args):
782        rpc.bdev.bdev_delay_delete(args.client,
783                                   name=args.name)
784
785    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
786    p.add_argument('name', help='delay bdev name')
787    p.set_defaults(func=bdev_delay_delete)
788
789    def bdev_delay_update_latency(args):
790        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
791                                                      delay_bdev_name=args.delay_bdev_name,
792                                                      latency_type=args.latency_type,
793                                                      latency_us=args.latency_us))
794    p = subparsers.add_parser('bdev_delay_update_latency',
795                              help='Update one of the latency values for a given delay bdev')
796    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
797    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
798    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
799    p.set_defaults(func=bdev_delay_update_latency)
800
801    def bdev_error_create(args):
802        print_json(rpc.bdev.bdev_error_create(args.client,
803                                              base_name=args.base_name))
804
805    p = subparsers.add_parser('bdev_error_create', aliases=['construct_error_bdev'],
806                              help='Add bdev with error injection backend')
807    p.add_argument('base_name', help='base bdev name')
808    p.set_defaults(func=bdev_error_create)
809
810    def bdev_error_delete(args):
811        rpc.bdev.bdev_error_delete(args.client,
812                                   name=args.name)
813
814    p = subparsers.add_parser('bdev_error_delete', aliases=['delete_error_bdev'],
815                              help='Delete an error bdev')
816    p.add_argument('name', help='error bdev name')
817    p.set_defaults(func=bdev_error_delete)
818
819    def bdev_iscsi_create(args):
820        print_json(rpc.bdev.bdev_iscsi_create(args.client,
821                                              name=args.name,
822                                              url=args.url,
823                                              initiator_iqn=args.initiator_iqn))
824
825    p = subparsers.add_parser('bdev_iscsi_create', aliases=['construct_iscsi_bdev'],
826                              help='Add bdev with iSCSI initiator backend')
827    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
828    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
829    p.add_argument('--url', help="iSCSI Lun URL", required=True)
830    p.set_defaults(func=bdev_iscsi_create)
831
832    def bdev_iscsi_delete(args):
833        rpc.bdev.bdev_iscsi_delete(args.client,
834                                   name=args.name)
835
836    p = subparsers.add_parser('bdev_iscsi_delete', aliases=['delete_iscsi_bdev'],
837                              help='Delete an iSCSI bdev')
838    p.add_argument('name', help='iSCSI bdev name')
839    p.set_defaults(func=bdev_iscsi_delete)
840
841    def bdev_pmem_create(args):
842        print_json(rpc.bdev.bdev_pmem_create(args.client,
843                                             pmem_file=args.pmem_file,
844                                             name=args.name))
845
846    p = subparsers.add_parser('bdev_pmem_create', aliases=['construct_pmem_bdev'],
847                              help='Add a bdev with pmem backend')
848    p.add_argument('pmem_file', help='Path to pmemblk pool file')
849    p.add_argument('-n', '--name', help='Block device name', required=True)
850    p.set_defaults(func=bdev_pmem_create)
851
852    def bdev_pmem_delete(args):
853        rpc.bdev.bdev_pmem_delete(args.client,
854                                  name=args.name)
855
856    p = subparsers.add_parser('bdev_pmem_delete', aliases=['delete_pmem_bdev'],
857                              help='Delete a pmem bdev')
858    p.add_argument('name', help='pmem bdev name')
859    p.set_defaults(func=bdev_pmem_delete)
860
861    def bdev_passthru_create(args):
862        print_json(rpc.bdev.bdev_passthru_create(args.client,
863                                                 base_bdev_name=args.base_bdev_name,
864                                                 name=args.name))
865
866    p = subparsers.add_parser('bdev_passthru_create', aliases=['construct_passthru_bdev'],
867                              help='Add a pass through bdev on existing bdev')
868    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
869    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
870    p.set_defaults(func=bdev_passthru_create)
871
872    def bdev_passthru_delete(args):
873        rpc.bdev.bdev_passthru_delete(args.client,
874                                      name=args.name)
875
876    p = subparsers.add_parser('bdev_passthru_delete', aliases=['delete_passthru_bdev'],
877                              help='Delete a pass through bdev')
878    p.add_argument('name', help='pass through bdev name')
879    p.set_defaults(func=bdev_passthru_delete)
880
881    def bdev_get_bdevs(args):
882        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
883                                           name=args.name))
884
885    p = subparsers.add_parser('bdev_get_bdevs', aliases=['get_bdevs'],
886                              help='Display current blockdev list or required blockdev')
887    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
888    p.set_defaults(func=bdev_get_bdevs)
889
890    def bdev_get_iostat(args):
891        print_dict(rpc.bdev.bdev_get_iostat(args.client,
892                                            name=args.name))
893
894    p = subparsers.add_parser('bdev_get_iostat', aliases=['get_bdevs_iostat'],
895                              help='Display current I/O statistics of all the blockdevs or required blockdev.')
896    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
897    p.set_defaults(func=bdev_get_iostat)
898
899    def bdev_enable_histogram(args):
900        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
901
902    p = subparsers.add_parser('bdev_enable_histogram', aliases=['enable_bdev_histogram'],
903                              help='Enable or disable histogram for specified bdev')
904    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
905    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
906    p.add_argument('name', help='bdev name')
907    p.set_defaults(func=bdev_enable_histogram)
908
909    def bdev_get_histogram(args):
910        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
911
912    p = subparsers.add_parser('bdev_get_histogram', aliases=['get_bdev_histogram'],
913                              help='Get histogram for specified bdev')
914    p.add_argument('name', help='bdev name')
915    p.set_defaults(func=bdev_get_histogram)
916
917    def bdev_set_qd_sampling_period(args):
918        rpc.bdev.bdev_set_qd_sampling_period(args.client,
919                                             name=args.name,
920                                             period=args.period)
921
922    p = subparsers.add_parser('bdev_set_qd_sampling_period', aliases=['set_bdev_qd_sampling_period'],
923                              help="Enable or disable tracking of a bdev's queue depth.")
924    p.add_argument('name', help='Blockdev name. Example: Malloc0')
925    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
926                   ' If set to 0, polling will be disabled.',
927                   type=int)
928    p.set_defaults(func=bdev_set_qd_sampling_period)
929
930    def bdev_set_qos_limit(args):
931        rpc.bdev.bdev_set_qos_limit(args.client,
932                                    name=args.name,
933                                    rw_ios_per_sec=args.rw_ios_per_sec,
934                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
935                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
936                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
937
938    p = subparsers.add_parser('bdev_set_qos_limit', aliases=['set_bdev_qos_limit'],
939                              help='Set QoS rate limit on a blockdev')
940    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
941    p.add_argument('--rw-ios-per-sec',
942                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
943                   type=int, required=False)
944    p.add_argument('--rw-mbytes-per-sec',
945                   help="R/W megabytes per second limit (>=10, example: 100). 0 means unlimited.",
946                   type=int, required=False)
947    p.add_argument('--r-mbytes-per-sec',
948                   help="Read megabytes per second limit (>=10, example: 100). 0 means unlimited.",
949                   type=int, required=False)
950    p.add_argument('--w-mbytes-per-sec',
951                   help="Write megabytes per second limit (>=10, example: 100). 0 means unlimited.",
952                   type=int, required=False)
953    p.set_defaults(func=bdev_set_qos_limit)
954
955    def bdev_error_inject_error(args):
956        rpc.bdev.bdev_error_inject_error(args.client,
957                                         name=args.name,
958                                         io_type=args.io_type,
959                                         error_type=args.error_type,
960                                         num=args.num)
961
962    p = subparsers.add_parser('bdev_error_inject_error', aliases=['bdev_inject_error'],
963                              help='bdev inject error')
964    p.add_argument('name', help="""the name of the error injection bdev""")
965    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
966    p.add_argument('error_type', help="""error_type: 'failure' 'pending'""")
967    p.add_argument(
968        '-n', '--num', help='the number of commands you want to fail', type=int, default=1)
969    p.set_defaults(func=bdev_error_inject_error)
970
971    def bdev_nvme_apply_firmware(args):
972        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
973                                                     bdev_name=args.bdev_name,
974                                                     filename=args.filename))
975
976    p = subparsers.add_parser('bdev_nvme_apply_firmware', aliases=['apply_firmware'],
977                              help='Download and commit firmware to NVMe device')
978    p.add_argument('filename', help='filename of the firmware to download')
979    p.add_argument('bdev_name', help='name of the NVMe device')
980    p.set_defaults(func=bdev_nvme_apply_firmware)
981
982    def bdev_nvme_get_transport_statistics(args):
983        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
984
985    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
986                              help='Get bdev_nvme poll group transport statistics')
987    p.set_defaults(func=bdev_nvme_get_transport_statistics)
988
989    def bdev_nvme_get_controller_health_info(args):
990        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
991                                                                 name=args.name))
992
993    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
994                              help='Display health log of the required NVMe bdev controller.')
995    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
996    p.set_defaults(func=bdev_nvme_get_controller_health_info)
997
998    # iSCSI
999    def iscsi_set_options(args):
1000        rpc.iscsi.iscsi_set_options(
1001            args.client,
1002            auth_file=args.auth_file,
1003            node_base=args.node_base,
1004            nop_timeout=args.nop_timeout,
1005            nop_in_interval=args.nop_in_interval,
1006            disable_chap=args.disable_chap,
1007            require_chap=args.require_chap,
1008            mutual_chap=args.mutual_chap,
1009            chap_group=args.chap_group,
1010            max_sessions=args.max_sessions,
1011            max_queue_depth=args.max_queue_depth,
1012            max_connections_per_session=args.max_connections_per_session,
1013            default_time2wait=args.default_time2wait,
1014            default_time2retain=args.default_time2retain,
1015            first_burst_length=args.first_burst_length,
1016            immediate_data=args.immediate_data,
1017            error_recovery_level=args.error_recovery_level,
1018            allow_duplicated_isid=args.allow_duplicated_isid,
1019            max_large_datain_per_connection=args.max_large_datain_per_connection,
1020            max_r2t_per_connection=args.max_r2t_per_connection,
1021            pdu_pool_size=args.pdu_pool_size,
1022            immediate_data_pool_size=args.immediate_data_pool_size,
1023            data_out_pool_size=args.data_out_pool_size)
1024
1025    p = subparsers.add_parser('iscsi_set_options', aliases=['set_iscsi_options'],
1026                              help="""Set options of iSCSI subsystem""")
1027    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1028    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1029    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1030    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1031    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1032    *** Mutually exclusive with --require-chap""", action='store_true')
1033    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1034    *** Mutually exclusive with --disable-chap""", action='store_true')
1035    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1036    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1037    *** Authentication group must be precreated ***""", type=int)
1038    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1039    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1040    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1041    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1042    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1043    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1044    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1045    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1046    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1047    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1048    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1049    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1050    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1051    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1052    p.set_defaults(func=iscsi_set_options)
1053
1054    def iscsi_set_discovery_auth(args):
1055        rpc.iscsi.iscsi_set_discovery_auth(
1056            args.client,
1057            disable_chap=args.disable_chap,
1058            require_chap=args.require_chap,
1059            mutual_chap=args.mutual_chap,
1060            chap_group=args.chap_group)
1061
1062    p = subparsers.add_parser('iscsi_set_discovery_auth', aliases=['set_iscsi_discovery_auth'],
1063                              help="""Set CHAP authentication for discovery session.""")
1064    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1065    *** Mutually exclusive with --require-chap""", action='store_true')
1066    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1067    *** Mutually exclusive with --disable-chap""", action='store_true')
1068    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1069    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1070    *** Authentication group must be precreated ***""", type=int)
1071    p.set_defaults(func=iscsi_set_discovery_auth)
1072
1073    def iscsi_create_auth_group(args):
1074        secrets = None
1075        if args.secrets:
1076            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1077
1078        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1079
1080    p = subparsers.add_parser('iscsi_create_auth_group', aliases=['add_iscsi_auth_group'],
1081                              help='Create authentication group for CHAP authentication.')
1082    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1083    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1084<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1085Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""", required=False)
1086    p.set_defaults(func=iscsi_create_auth_group)
1087
1088    def iscsi_delete_auth_group(args):
1089        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1090
1091    p = subparsers.add_parser('iscsi_delete_auth_group', aliases=['delete_iscsi_auth_group'],
1092                              help='Delete an authentication group.')
1093    p.add_argument('tag', help='Authentication group tag', type=int)
1094    p.set_defaults(func=iscsi_delete_auth_group)
1095
1096    def iscsi_auth_group_add_secret(args):
1097        rpc.iscsi.iscsi_auth_group_add_secret(
1098            args.client,
1099            tag=args.tag,
1100            user=args.user,
1101            secret=args.secret,
1102            muser=args.muser,
1103            msecret=args.msecret)
1104
1105    p = subparsers.add_parser('iscsi_auth_group_add_secret', aliases=['add_secret_to_iscsi_auth_group'],
1106                              help='Add a secret to an authentication group.')
1107    p.add_argument('tag', help='Authentication group tag', type=int)
1108    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1109    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1110    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1111    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1112    p.set_defaults(func=iscsi_auth_group_add_secret)
1113
1114    def iscsi_auth_group_remove_secret(args):
1115        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1116
1117    p = subparsers.add_parser('iscsi_auth_group_remove_secret', aliases=['delete_secret_from_iscsi_auth_group'],
1118                              help='Remove a secret from an authentication group.')
1119    p.add_argument('tag', help='Authentication group tag', type=int)
1120    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1121    p.set_defaults(func=iscsi_auth_group_remove_secret)
1122
1123    def iscsi_get_auth_groups(args):
1124        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1125
1126    p = subparsers.add_parser('iscsi_get_auth_groups', aliases=['get_iscsi_auth_groups'],
1127                              help='Display current authentication group configuration')
1128    p.set_defaults(func=iscsi_get_auth_groups)
1129
1130    def iscsi_get_portal_groups(args):
1131        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1132
1133    p = subparsers.add_parser(
1134        'iscsi_get_portal_groups', aliases=['get_portal_groups'],
1135        help='Display current portal group configuration')
1136    p.set_defaults(func=iscsi_get_portal_groups)
1137
1138    def iscsi_get_initiator_groups(args):
1139        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1140
1141    p = subparsers.add_parser('iscsi_get_initiator_groups',
1142                              aliases=['get_initiator_groups'],
1143                              help='Display current initiator group configuration')
1144    p.set_defaults(func=iscsi_get_initiator_groups)
1145
1146    def iscsi_get_target_nodes(args):
1147        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1148
1149    p = subparsers.add_parser('iscsi_get_target_nodes', aliases=['get_target_nodes'],
1150                              help='Display target nodes')
1151    p.set_defaults(func=iscsi_get_target_nodes)
1152
1153    def iscsi_create_target_node(args):
1154        luns = []
1155        for u in args.bdev_name_id_pairs.strip().split(" "):
1156            bdev_name, lun_id = u.split(":")
1157            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1158
1159        pg_ig_maps = []
1160        for u in args.pg_ig_mappings.strip().split(" "):
1161            pg, ig = u.split(":")
1162            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1163
1164        rpc.iscsi.iscsi_create_target_node(
1165            args.client,
1166            luns=luns,
1167            pg_ig_maps=pg_ig_maps,
1168            name=args.name,
1169            alias_name=args.alias_name,
1170            queue_depth=args.queue_depth,
1171            chap_group=args.chap_group,
1172            disable_chap=args.disable_chap,
1173            require_chap=args.require_chap,
1174            mutual_chap=args.mutual_chap,
1175            header_digest=args.header_digest,
1176            data_digest=args.data_digest)
1177
1178    p = subparsers.add_parser('iscsi_create_target_node', aliases=['construct_target_node'],
1179                              help='Add a target node')
1180    p.add_argument('name', help='Target node name (ASCII)')
1181    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1182    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1183    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1184    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1185    *** The bdevs must pre-exist ***
1186    *** LUN0 (id = 0) is required ***
1187    *** bdevs names cannot contain space or colon characters ***""")
1188    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1189    Whitespace separated, quoted, mapping defined with colon
1190    separated list of "tags" (int > 0)
1191    Example: '1:1 2:2 2:1'
1192    *** The Portal/Initiator Groups must be precreated ***""")
1193    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1194    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1195    *** Authentication group must be precreated ***""", type=int, default=0)
1196    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1197    *** Mutually exclusive with --require-chap ***""", action='store_true')
1198    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1199    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1200    p.add_argument(
1201        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1202    p.add_argument('-H', '--header-digest',
1203                   help='Header Digest should be required for this target node.', action='store_true')
1204    p.add_argument('-D', '--data-digest',
1205                   help='Data Digest should be required for this target node.', action='store_true')
1206    p.set_defaults(func=iscsi_create_target_node)
1207
1208    def iscsi_target_node_add_lun(args):
1209        rpc.iscsi.iscsi_target_node_add_lun(
1210            args.client,
1211            name=args.name,
1212            bdev_name=args.bdev_name,
1213            lun_id=args.lun_id)
1214
1215    p = subparsers.add_parser('iscsi_target_node_add_lun', aliases=['target_node_add_lun'],
1216                              help='Add LUN to the target node')
1217    p.add_argument('name', help='Target node name (ASCII)')
1218    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1219    *** bdev name cannot contain space or colon characters ***""")
1220    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1221    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int, required=False)
1222    p.set_defaults(func=iscsi_target_node_add_lun)
1223
1224    def iscsi_target_node_set_auth(args):
1225        rpc.iscsi.iscsi_target_node_set_auth(
1226            args.client,
1227            name=args.name,
1228            chap_group=args.chap_group,
1229            disable_chap=args.disable_chap,
1230            require_chap=args.require_chap,
1231            mutual_chap=args.mutual_chap)
1232
1233    p = subparsers.add_parser('iscsi_target_node_set_auth', aliases=['set_iscsi_target_node_auth'],
1234                              help='Set CHAP authentication for the target node')
1235    p.add_argument('name', help='Target node name (ASCII)')
1236    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1237    *** Authentication group must be precreated ***""", type=int, default=0)
1238    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1239    *** Mutually exclusive with --require-chap ***""", action='store_true')
1240    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1241    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1242    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1243                   action='store_true')
1244    p.set_defaults(func=iscsi_target_node_set_auth)
1245
1246    def iscsi_target_node_add_pg_ig_maps(args):
1247        pg_ig_maps = []
1248        for u in args.pg_ig_mappings.strip().split(" "):
1249            pg, ig = u.split(":")
1250            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1251        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1252            args.client,
1253            pg_ig_maps=pg_ig_maps,
1254            name=args.name)
1255
1256    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1257                              aliases=['add_pg_ig_maps'],
1258                              help='Add PG-IG maps to the target node')
1259    p.add_argument('name', help='Target node name (ASCII)')
1260    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1261    Whitespace separated, quoted, mapping defined with colon
1262    separated list of "tags" (int > 0)
1263    Example: '1:1 2:2 2:1'
1264    *** The Portal/Initiator Groups must be precreated ***""")
1265    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1266
1267    def iscsi_target_node_remove_pg_ig_maps(args):
1268        pg_ig_maps = []
1269        for u in args.pg_ig_mappings.strip().split(" "):
1270            pg, ig = u.split(":")
1271            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1272        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1273            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1274
1275    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1276                              aliases=['delete_pg_ig_maps'],
1277                              help='Delete PG-IG maps from the target node')
1278    p.add_argument('name', help='Target node name (ASCII)')
1279    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1280    Whitespace separated, quoted, mapping defined with colon
1281    separated list of "tags" (int > 0)
1282    Example: '1:1 2:2 2:1'
1283    *** The Portal/Initiator Groups must be precreated ***""")
1284    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1285
1286    def iscsi_target_node_set_redirect(args):
1287        rpc.iscsi.iscsi_target_node_set_redirect(
1288            args.client,
1289            name=args.name,
1290            pg_tag=args.pg_tag,
1291            redirect_host=args.redirect_host,
1292            redirect_port=args.redirect_port)
1293
1294    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1295                              help="""Update redirect portal of the public portal group for the target node.
1296    Omit redirect host and port to clear previously set redirect settings.""")
1297    p.add_argument('name', help='Target node name (ASCII)')
1298    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1299    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal', required=False)
1300    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal', required=False)
1301    p.set_defaults(func=iscsi_target_node_set_redirect)
1302
1303    def iscsi_target_node_request_logout(args):
1304        rpc.iscsi.iscsi_target_node_request_logout(
1305            args.client,
1306            name=args.name,
1307            pg_tag=args.pg_tag)
1308
1309    p = subparsers.add_parser('iscsi_target_node_request_logout',
1310                              help="""For the target node, request connections whose portal group tag
1311    match to logout, or request all connections if portal group tag is omitted.""")
1312    p.add_argument('name', help='Target node name (ASCII)')
1313    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int, required=False)
1314    p.set_defaults(func=iscsi_target_node_request_logout)
1315
1316    def iscsi_create_portal_group(args):
1317        portals = []
1318        for p in args.portal_list.strip().split(' '):
1319            ip, separator, port_cpumask = p.rpartition(':')
1320            split_port_cpumask = port_cpumask.split('@')
1321            if len(split_port_cpumask) == 1:
1322                port = port_cpumask
1323                portals.append({'host': ip, 'port': port})
1324            else:
1325                port = split_port_cpumask[0]
1326                cpumask = split_port_cpumask[1]
1327                portals.append({'host': ip, 'port': port})
1328                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1329        rpc.iscsi.iscsi_create_portal_group(
1330            args.client,
1331            portals=portals,
1332            tag=args.tag,
1333            private=args.private,
1334            wait=args.wait)
1335
1336    p = subparsers.add_parser('iscsi_create_portal_group', aliases=['add_portal_group'],
1337                              help='Add a portal group')
1338    p.add_argument(
1339        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1340    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1341    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1342    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1343    Private portal groups do not have their portals returned by a discovery session. A public
1344    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1345    portal must be from a private portal group.""", action='store_true')
1346    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1347    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1348    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1349    p.set_defaults(func=iscsi_create_portal_group)
1350
1351    def iscsi_start_portal_group(args):
1352        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1353
1354    p = subparsers.add_parser('iscsi_start_portal_group',
1355                              help='Start listening on portals if it is not started yet.')
1356    p.add_argument(
1357        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1358    p.set_defaults(func=iscsi_start_portal_group)
1359
1360    def iscsi_create_initiator_group(args):
1361        initiators = []
1362        netmasks = []
1363        for i in args.initiator_list.strip().split(' '):
1364            initiators.append(i)
1365        for n in args.netmask_list.strip().split(' '):
1366            netmasks.append(n)
1367        rpc.iscsi.iscsi_create_initiator_group(
1368            args.client,
1369            tag=args.tag,
1370            initiators=initiators,
1371            netmasks=netmasks)
1372
1373    p = subparsers.add_parser('iscsi_create_initiator_group', aliases=['add_initiator_group'],
1374                              help='Add an initiator group')
1375    p.add_argument(
1376        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1377    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1378    enclosed in quotes.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""")
1379    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1380    Example: '255.255.0.0 255.248.0.0' etc""")
1381    p.set_defaults(func=iscsi_create_initiator_group)
1382
1383    def iscsi_initiator_group_add_initiators(args):
1384        initiators = None
1385        netmasks = None
1386        if args.initiator_list:
1387            initiators = []
1388            for i in args.initiator_list.strip().split(' '):
1389                initiators.append(i)
1390        if args.netmask_list:
1391            netmasks = []
1392            for n in args.netmask_list.strip().split(' '):
1393                netmasks.append(n)
1394        rpc.iscsi.iscsi_initiator_group_add_initiators(
1395            args.client,
1396            tag=args.tag,
1397            initiators=initiators,
1398            netmasks=netmasks)
1399
1400    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1401                              aliases=['add_initiators_to_initiator_group'],
1402                              help='Add initiators to an existing initiator group')
1403    p.add_argument(
1404        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1405    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1406    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""", required=False)
1407    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1408    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1409    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1410
1411    def iscsi_initiator_group_remove_initiators(args):
1412        initiators = None
1413        netmasks = None
1414        if args.initiator_list:
1415            initiators = []
1416            for i in args.initiator_list.strip().split(' '):
1417                initiators.append(i)
1418        if args.netmask_list:
1419            netmasks = []
1420            for n in args.netmask_list.strip().split(' '):
1421                netmasks.append(n)
1422        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1423            args.client,
1424            tag=args.tag,
1425            initiators=initiators,
1426            netmasks=netmasks)
1427
1428    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1429                              aliases=['delete_initiators_from_initiator_group'],
1430                              help='Delete initiators from an existing initiator group')
1431    p.add_argument(
1432        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1433    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1434    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or '127.0.0.1 192.168.200.100'""", required=False)
1435    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1436    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1437    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1438
1439    def iscsi_delete_target_node(args):
1440        rpc.iscsi.iscsi_delete_target_node(
1441            args.client, target_node_name=args.target_node_name)
1442
1443    p = subparsers.add_parser('iscsi_delete_target_node', aliases=['delete_target_node'],
1444                              help='Delete a target node')
1445    p.add_argument('target_node_name',
1446                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1447    p.set_defaults(func=iscsi_delete_target_node)
1448
1449    def iscsi_delete_portal_group(args):
1450        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1451
1452    p = subparsers.add_parser('iscsi_delete_portal_group',
1453                              aliases=['delete_portal_group'],
1454                              help='Delete a portal group')
1455    p.add_argument(
1456        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1457    p.set_defaults(func=iscsi_delete_portal_group)
1458
1459    def iscsi_delete_initiator_group(args):
1460        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1461
1462    p = subparsers.add_parser('iscsi_delete_initiator_group',
1463                              aliases=['delete_initiator_group'],
1464                              help='Delete an initiator group')
1465    p.add_argument(
1466        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1467    p.set_defaults(func=iscsi_delete_initiator_group)
1468
1469    def iscsi_portal_group_set_auth(args):
1470        rpc.iscsi.iscsi_portal_group_set_auth(
1471            args.client,
1472            tag=args.tag,
1473            chap_group=args.chap_group,
1474            disable_chap=args.disable_chap,
1475            require_chap=args.require_chap,
1476            mutual_chap=args.mutual_chap)
1477
1478    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1479                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1480    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1481    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1482    *** Authentication group must be precreated ***""", type=int, default=0)
1483    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1484    *** Mutually exclusive with --require-chap ***""", action='store_true')
1485    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1486    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1487    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1488                   action='store_true')
1489    p.set_defaults(func=iscsi_portal_group_set_auth)
1490
1491    def iscsi_get_connections(args):
1492        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1493
1494    p = subparsers.add_parser('iscsi_get_connections', aliases=['get_iscsi_connections'],
1495                              help='Display iSCSI connections')
1496    p.set_defaults(func=iscsi_get_connections)
1497
1498    def iscsi_get_options(args):
1499        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1500
1501    p = subparsers.add_parser('iscsi_get_options', aliases=['get_iscsi_global_params'],
1502                              help='Display iSCSI global parameters')
1503    p.set_defaults(func=iscsi_get_options)
1504
1505    def scsi_get_devices(args):
1506        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1507
1508    p = subparsers.add_parser('scsi_get_devices', aliases=['get_scsi_devices'],
1509                              help='Display SCSI devices')
1510    p.set_defaults(func=scsi_get_devices)
1511
1512    # trace
1513    def trace_enable_tpoint_group(args):
1514        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1515
1516    p = subparsers.add_parser('trace_enable_tpoint_group', aliases=['enable_tpoint_group'],
1517                              help='enable trace on a specific tpoint group')
1518    p.add_argument(
1519        'name', help="""trace group name we want to enable in tpoint_group_mask.
1520        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1521    p.set_defaults(func=trace_enable_tpoint_group)
1522
1523    def trace_disable_tpoint_group(args):
1524        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1525
1526    p = subparsers.add_parser('trace_disable_tpoint_group', aliases=['disable_tpoint_group'],
1527                              help='disable trace on a specific tpoint group')
1528    p.add_argument(
1529        'name', help="""trace group name we want to disable in tpoint_group_mask.
1530        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1531    p.set_defaults(func=trace_disable_tpoint_group)
1532
1533    def trace_get_tpoint_group_mask(args):
1534        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1535
1536    p = subparsers.add_parser('trace_get_tpoint_group_mask', aliases=['get_tpoint_group_mask'],
1537                              help='get trace point group mask')
1538    p.set_defaults(func=trace_get_tpoint_group_mask)
1539
1540    # log
1541    def log_set_flag(args):
1542        rpc.log.log_set_flag(args.client, flag=args.flag)
1543
1544    p = subparsers.add_parser('log_set_flag', help='set log flag', aliases=['set_log_flag'])
1545    p.add_argument(
1546        'flag', help='log flag we want to set. (for example "nvme").')
1547    p.set_defaults(func=log_set_flag)
1548
1549    def log_clear_flag(args):
1550        rpc.log.log_clear_flag(args.client, flag=args.flag)
1551
1552    p = subparsers.add_parser('log_clear_flag', help='clear log flag', aliases=['clear_log_flag'])
1553    p.add_argument(
1554        'flag', help='log flag we want to clear. (for example "nvme").')
1555    p.set_defaults(func=log_clear_flag)
1556
1557    def log_get_flags(args):
1558        print_dict(rpc.log.log_get_flags(args.client))
1559
1560    p = subparsers.add_parser('log_get_flags', help='get log flags', aliases=['get_log_flags'])
1561    p.set_defaults(func=log_get_flags)
1562
1563    def log_set_level(args):
1564        rpc.log.log_set_level(args.client, level=args.level)
1565
1566    p = subparsers.add_parser('log_set_level', aliases=['set_log_level'],
1567                              help='set log level')
1568    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1569    p.set_defaults(func=log_set_level)
1570
1571    def log_get_level(args):
1572        print_dict(rpc.log.log_get_level(args.client))
1573
1574    p = subparsers.add_parser('log_get_level', aliases=['get_log_level'],
1575                              help='get log level')
1576    p.set_defaults(func=log_get_level)
1577
1578    def log_set_print_level(args):
1579        rpc.log.log_set_print_level(args.client, level=args.level)
1580
1581    p = subparsers.add_parser('log_set_print_level', aliases=['set_log_print_level'],
1582                              help='set log print level')
1583    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1584    p.set_defaults(func=log_set_print_level)
1585
1586    def log_get_print_level(args):
1587        print_dict(rpc.log.log_get_print_level(args.client))
1588
1589    p = subparsers.add_parser('log_get_print_level', aliases=['get_log_print_level'],
1590                              help='get log print level')
1591    p.set_defaults(func=log_get_print_level)
1592
1593    # lvol
1594    def bdev_lvol_create_lvstore(args):
1595        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1596                                                     bdev_name=args.bdev_name,
1597                                                     lvs_name=args.lvs_name,
1598                                                     cluster_sz=args.cluster_sz,
1599                                                     clear_method=args.clear_method))
1600
1601    p = subparsers.add_parser('bdev_lvol_create_lvstore', aliases=['construct_lvol_store'],
1602                              help='Add logical volume store on base bdev')
1603    p.add_argument('bdev_name', help='base bdev name')
1604    p.add_argument('lvs_name', help='name for lvol store')
1605    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
1606    p.add_argument('--clear-method', help="""Change clear method for data region.
1607        Available: none, unmap, write_zeroes""", required=False)
1608    p.set_defaults(func=bdev_lvol_create_lvstore)
1609
1610    def bdev_lvol_rename_lvstore(args):
1611        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1612                                          old_name=args.old_name,
1613                                          new_name=args.new_name)
1614
1615    p = subparsers.add_parser('bdev_lvol_rename_lvstore', aliases=['rename_lvol_store'],
1616                              help='Change logical volume store name')
1617    p.add_argument('old_name', help='old name')
1618    p.add_argument('new_name', help='new name')
1619    p.set_defaults(func=bdev_lvol_rename_lvstore)
1620
1621    def bdev_lvol_create(args):
1622        print_json(rpc.lvol.bdev_lvol_create(args.client,
1623                                             lvol_name=args.lvol_name,
1624                                             size=args.size * 1024 * 1024,
1625                                             thin_provision=args.thin_provision,
1626                                             clear_method=args.clear_method,
1627                                             uuid=args.uuid,
1628                                             lvs_name=args.lvs_name))
1629
1630    p = subparsers.add_parser('bdev_lvol_create', aliases=['construct_lvol_bdev'],
1631                              help='Add a bdev with an logical volume backend')
1632    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1633    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1634    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
1635    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
1636        Available: none, unmap, write_zeroes""", required=False)
1637    p.add_argument('lvol_name', help='name for this lvol')
1638    p.add_argument('size', help='size in MiB for this bdev', type=int)
1639    p.set_defaults(func=bdev_lvol_create)
1640
1641    def bdev_lvol_snapshot(args):
1642        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
1643                                               lvol_name=args.lvol_name,
1644                                               snapshot_name=args.snapshot_name))
1645
1646    p = subparsers.add_parser('bdev_lvol_snapshot', aliases=['snapshot_lvol_bdev'],
1647                              help='Create a snapshot of an lvol bdev')
1648    p.add_argument('lvol_name', help='lvol bdev name')
1649    p.add_argument('snapshot_name', help='lvol snapshot name')
1650    p.set_defaults(func=bdev_lvol_snapshot)
1651
1652    def bdev_lvol_clone(args):
1653        print_json(rpc.lvol.bdev_lvol_clone(args.client,
1654                                            snapshot_name=args.snapshot_name,
1655                                            clone_name=args.clone_name))
1656
1657    p = subparsers.add_parser('bdev_lvol_clone', aliases=['clone_lvol_bdev'],
1658                              help='Create a clone of an lvol snapshot')
1659    p.add_argument('snapshot_name', help='lvol snapshot name')
1660    p.add_argument('clone_name', help='lvol clone name')
1661    p.set_defaults(func=bdev_lvol_clone)
1662
1663    def bdev_lvol_rename(args):
1664        rpc.lvol.bdev_lvol_rename(args.client,
1665                                  old_name=args.old_name,
1666                                  new_name=args.new_name)
1667
1668    p = subparsers.add_parser('bdev_lvol_rename', aliases=['rename_lvol_bdev'],
1669                              help='Change lvol bdev name')
1670    p.add_argument('old_name', help='lvol bdev name')
1671    p.add_argument('new_name', help='new lvol name')
1672    p.set_defaults(func=bdev_lvol_rename)
1673
1674    def bdev_lvol_inflate(args):
1675        rpc.lvol.bdev_lvol_inflate(args.client,
1676                                   name=args.name)
1677
1678    p = subparsers.add_parser('bdev_lvol_inflate', aliases=['inflate_lvol_bdev'],
1679                              help='Make thin provisioned lvol a thick provisioned lvol')
1680    p.add_argument('name', help='lvol bdev name')
1681    p.set_defaults(func=bdev_lvol_inflate)
1682
1683    def bdev_lvol_decouple_parent(args):
1684        rpc.lvol.bdev_lvol_decouple_parent(args.client,
1685                                           name=args.name)
1686
1687    p = subparsers.add_parser('bdev_lvol_decouple_parent', aliases=['decouple_parent_lvol_bdev'],
1688                              help='Decouple parent of lvol')
1689    p.add_argument('name', help='lvol bdev name')
1690    p.set_defaults(func=bdev_lvol_decouple_parent)
1691
1692    def bdev_lvol_resize(args):
1693        rpc.lvol.bdev_lvol_resize(args.client,
1694                                  name=args.name,
1695                                  size=args.size * 1024 * 1024)
1696
1697    p = subparsers.add_parser('bdev_lvol_resize', aliases=['resize_lvol_bdev'],
1698                              help='Resize existing lvol bdev')
1699    p.add_argument('name', help='lvol bdev name')
1700    p.add_argument('size', help='new size in MiB for this bdev', type=int)
1701    p.set_defaults(func=bdev_lvol_resize)
1702
1703    def bdev_lvol_set_read_only(args):
1704        rpc.lvol.bdev_lvol_set_read_only(args.client,
1705                                         name=args.name)
1706
1707    p = subparsers.add_parser('bdev_lvol_set_read_only', aliases=['set_read_only_lvol_bdev'],
1708                              help='Mark lvol bdev as read only')
1709    p.add_argument('name', help='lvol bdev name')
1710    p.set_defaults(func=bdev_lvol_set_read_only)
1711
1712    def bdev_lvol_delete(args):
1713        rpc.lvol.bdev_lvol_delete(args.client,
1714                                  name=args.name)
1715
1716    p = subparsers.add_parser('bdev_lvol_delete', aliases=['destroy_lvol_bdev'],
1717                              help='Destroy a logical volume')
1718    p.add_argument('name', help='lvol bdev name')
1719    p.set_defaults(func=bdev_lvol_delete)
1720
1721    def bdev_lvol_delete_lvstore(args):
1722        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
1723                                          uuid=args.uuid,
1724                                          lvs_name=args.lvs_name)
1725
1726    p = subparsers.add_parser('bdev_lvol_delete_lvstore', aliases=['destroy_lvol_store'],
1727                              help='Destroy an logical volume store')
1728    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1729    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1730    p.set_defaults(func=bdev_lvol_delete_lvstore)
1731
1732    def bdev_lvol_get_lvstores(args):
1733        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
1734                                                   uuid=args.uuid,
1735                                                   lvs_name=args.lvs_name))
1736
1737    p = subparsers.add_parser('bdev_lvol_get_lvstores', aliases=['get_lvol_stores'],
1738                              help='Display current logical volume store list')
1739    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1740    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1741    p.set_defaults(func=bdev_lvol_get_lvstores)
1742
1743    def bdev_raid_get_bdevs(args):
1744        print_array(rpc.bdev.bdev_raid_get_bdevs(args.client,
1745                                                 category=args.category))
1746
1747    p = subparsers.add_parser('bdev_raid_get_bdevs', aliases=['get_raid_bdevs'],
1748                              help="""This is used to list all the raid bdev names based on the input category
1749    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
1750    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
1751    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
1752    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
1753    p.add_argument('category', help='all or online or configuring or offline')
1754    p.set_defaults(func=bdev_raid_get_bdevs)
1755
1756    def bdev_raid_create(args):
1757        base_bdevs = []
1758        for u in args.base_bdevs.strip().split(" "):
1759            base_bdevs.append(u)
1760
1761        rpc.bdev.bdev_raid_create(args.client,
1762                                  name=args.name,
1763                                  strip_size_kb=args.strip_size_kb,
1764                                  raid_level=args.raid_level,
1765                                  base_bdevs=base_bdevs)
1766    p = subparsers.add_parser('bdev_raid_create', aliases=['construct_raid_bdev'],
1767                              help='Create new raid bdev')
1768    p.add_argument('-n', '--name', help='raid bdev name', required=True)
1769    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
1770    p.add_argument('-r', '--raid-level', help='raid level, only raid level 0 is supported', required=True)
1771    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
1772    p.set_defaults(func=bdev_raid_create)
1773
1774    def bdev_raid_delete(args):
1775        rpc.bdev.bdev_raid_delete(args.client,
1776                                  name=args.name)
1777    p = subparsers.add_parser('bdev_raid_delete', aliases=['destroy_raid_bdev'],
1778                              help='Delete existing raid bdev')
1779    p.add_argument('name', help='raid bdev name')
1780    p.set_defaults(func=bdev_raid_delete)
1781
1782    # split
1783    def bdev_split_create(args):
1784        print_array(rpc.bdev.bdev_split_create(args.client,
1785                                               base_bdev=args.base_bdev,
1786                                               split_count=args.split_count,
1787                                               split_size_mb=args.split_size_mb))
1788
1789    p = subparsers.add_parser('bdev_split_create', aliases=['construct_split_vbdev'],
1790                              help="""Add given disk name to split config. If bdev with base_name
1791    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
1792    available (during examination process).""")
1793    p.add_argument('base_bdev', help='base bdev name')
1794    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int, default=0)
1795    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
1796    exceed the base bdev size.""", type=int)
1797    p.set_defaults(func=bdev_split_create)
1798
1799    def bdev_split_delete(args):
1800        rpc.bdev.bdev_split_delete(args.client,
1801                                   base_bdev=args.base_bdev)
1802
1803    p = subparsers.add_parser('bdev_split_delete', aliases=['destruct_split_vbdev'],
1804                              help="""Delete split config with all created splits.""")
1805    p.add_argument('base_bdev', help='base bdev name')
1806    p.set_defaults(func=bdev_split_delete)
1807
1808    # ftl
1809    ftl_valid_limits = ('crit', 'high', 'low', 'start')
1810
1811    def bdev_ftl_create(args):
1812        def parse_limits(limits, arg_dict, key_suffix=''):
1813            for limit in limits.split(','):
1814                key, value = limit.split(':', 1)
1815                if key in ftl_valid_limits:
1816                    arg_dict['limit_' + key + key_suffix] = int(value)
1817                else:
1818                    raise ValueError('Limit {} is not supported'.format(key))
1819
1820        arg_limits = {}
1821        if args.limit_threshold:
1822            parse_limits(args.limit_threshold, arg_limits, '_threshold')
1823
1824        if args.limit:
1825            parse_limits(args.limit, arg_limits)
1826
1827        print_dict(rpc.bdev.bdev_ftl_create(args.client,
1828                                            name=args.name,
1829                                            base_bdev=args.base_bdev,
1830                                            uuid=args.uuid,
1831                                            cache=args.cache,
1832                                            allow_open_bands=args.allow_open_bands,
1833                                            overprovisioning=args.overprovisioning,
1834                                            l2p_path=args.l2p_path,
1835                                            use_append=args.use_append,
1836                                            **arg_limits))
1837
1838    p = subparsers.add_parser('bdev_ftl_create', aliases=['construct_ftl_bdev'], help='Add FTL bdev')
1839    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1840    p.add_argument('-d', '--base-bdev', help='Name of zoned bdev used as underlying device',
1841                   required=True)
1842    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
1843                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
1844    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache (optional)')
1845    p.add_argument('-o', '--allow-open-bands', help='Restoring after dirty shutdown without cache will'
1846                   ' result in partial data recovery, instead of error', action='store_true')
1847    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
1848                   ' to user (optional)', type=int)
1849    p.add_argument('--l2p-path', help='Path to persistent memory file or device to store l2p onto, '
1850                                      'by default l2p is kept in DRAM and is volatile (optional)')
1851    p.add_argument('--use-append', help='Use appends instead of writes', action='store_true')
1852
1853    limits = p.add_argument_group('Defrag limits', 'Configures defrag limits and thresholds for'
1854                                  ' levels ' + str(ftl_valid_limits)[1:-1])
1855    limits.add_argument('--limit', help='Percentage of allowed user versus internal writes at given'
1856                        ' levels, e.g. crit:0,high:20,low:80')
1857    limits.add_argument('--limit-threshold', help='Number of free bands triggering a given level of'
1858                        ' write limiting e.g. crit:1,high:2,low:3,start:4')
1859    p.set_defaults(func=bdev_ftl_create)
1860
1861    def bdev_ftl_delete(args):
1862        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name))
1863
1864    p = subparsers.add_parser('bdev_ftl_delete', aliases=['delete_ftl_bdev'],
1865                              help='Delete FTL bdev')
1866    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1867    p.set_defaults(func=bdev_ftl_delete)
1868
1869    # vmd
1870    def enable_vmd(args):
1871        print_dict(rpc.vmd.enable_vmd(args.client))
1872
1873    p = subparsers.add_parser('enable_vmd', help='Enable VMD enumeration')
1874    p.set_defaults(func=enable_vmd)
1875
1876    # nbd
1877    def nbd_start_disk(args):
1878        print(rpc.nbd.nbd_start_disk(args.client,
1879                                     bdev_name=args.bdev_name,
1880                                     nbd_device=args.nbd_device))
1881
1882    p = subparsers.add_parser('nbd_start_disk', aliases=['start_nbd_disk'],
1883                              help='Export a bdev as an nbd disk')
1884    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
1885    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
1886    p.set_defaults(func=nbd_start_disk)
1887
1888    def nbd_stop_disk(args):
1889        rpc.nbd.nbd_stop_disk(args.client,
1890                              nbd_device=args.nbd_device)
1891
1892    p = subparsers.add_parser('nbd_stop_disk', aliases=['stop_nbd_disk'],
1893                              help='Stop an nbd disk')
1894    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
1895    p.set_defaults(func=nbd_stop_disk)
1896
1897    def nbd_get_disks(args):
1898        print_dict(rpc.nbd.nbd_get_disks(args.client,
1899                                         nbd_device=args.nbd_device))
1900
1901    p = subparsers.add_parser('nbd_get_disks', aliases=['get_nbd_disks'],
1902                              help='Display full or specified nbd device list')
1903    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0", required=False)
1904    p.set_defaults(func=nbd_get_disks)
1905
1906    # NVMe-oF
1907    def nvmf_set_max_subsystems(args):
1908        rpc.nvmf.nvmf_set_max_subsystems(args.client,
1909                                         max_subsystems=args.max_subsystems)
1910
1911    p = subparsers.add_parser('nvmf_set_max_subsystems', aliases=['set_nvmf_target_max_subsystems'],
1912                              help='Set the maximum number of NVMf target subsystems')
1913    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
1914    p.set_defaults(func=nvmf_set_max_subsystems)
1915
1916    def nvmf_set_config(args):
1917        rpc.nvmf.nvmf_set_config(args.client,
1918                                 acceptor_poll_rate=args.acceptor_poll_rate,
1919                                 conn_sched=args.conn_sched,
1920                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
1921                                 poll_groups_mask=args.poll_groups_mask,
1922                                 discovery_filter=args.discovery_filter)
1923
1924    p = subparsers.add_parser('nvmf_set_config', aliases=['set_nvmf_target_config'],
1925                              help='Set NVMf target config')
1926    p.add_argument('-r', '--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
1927    p.add_argument('-s', '--conn-sched', help='(Deprecated). Ignored.')
1928    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
1929    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
1930    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
1931    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
1932         comma separated values: `transport`, `address`, `svcid`""", type=str)
1933    p.set_defaults(func=nvmf_set_config)
1934
1935    def nvmf_create_transport(args):
1936        rpc.nvmf.nvmf_create_transport(**vars(args))
1937
1938    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
1939    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
1940    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
1941    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
1942    p.add_argument('-p', '--max-qpairs-per-ctrlr', help="""Max number of SQ and CQ per controller.
1943    Deprecated, use max-io-qpairs-per-ctrlr""", type=int)
1944    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
1945    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
1946    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
1947    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
1948    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
1949    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
1950    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
1951    p.add_argument('-d', '--num-cqe', help="""The number of CQ entires. Only used when no_srq=true.
1952    Relevant only for RDMA transport""", type=int)
1953    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
1954    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
1955    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
1956    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
1957    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
1958    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
1959    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
1960    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
1961    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
1962    Relevant only for TCP transport""", type=int)
1963    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
1964    Relevant only for VFIO-USER transport""")
1965    p.set_defaults(func=nvmf_create_transport)
1966
1967    def nvmf_get_transports(args):
1968        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
1969
1970    p = subparsers.add_parser('nvmf_get_transports', aliases=['get_nvmf_transports'],
1971                              help='Display nvmf transports or required transport')
1972    p.add_argument('--trtype', help='Transport type (optional)')
1973    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
1974    p.set_defaults(func=nvmf_get_transports)
1975
1976    def nvmf_get_subsystems(args):
1977        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
1978
1979    p = subparsers.add_parser('nvmf_get_subsystems', aliases=['get_nvmf_subsystems'],
1980                              help='Display nvmf subsystems or required subsystem')
1981    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?", default=None)
1982    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
1983    p.set_defaults(func=nvmf_get_subsystems)
1984
1985    def nvmf_create_subsystem(args):
1986        rpc.nvmf.nvmf_create_subsystem(args.client,
1987                                       nqn=args.nqn,
1988                                       tgt_name=args.tgt_name,
1989                                       serial_number=args.serial_number,
1990                                       model_number=args.model_number,
1991                                       allow_any_host=args.allow_any_host,
1992                                       max_namespaces=args.max_namespaces,
1993                                       ana_reporting=args.ana_reporting,
1994                                       min_cntlid=args.min_cntlid,
1995                                       max_cntlid=args.max_cntlid)
1996
1997    p = subparsers.add_parser('nvmf_create_subsystem', aliases=['nvmf_subsystem_create'],
1998                              help='Create an NVMe-oF subsystem')
1999    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2000    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2001    p.add_argument("-s", "--serial-number", help="""
2002    Format:  'sn' etc
2003    Example: 'SPDK00000000000001'""", default='00000000000000000000')
2004    p.add_argument("-d", "--model-number", help="""
2005    Format:  'mn' etc
2006    Example: 'SPDK Controller'""", default='SPDK bdev Controller')
2007    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2008    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2009                   type=int, default=0)
2010    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2011    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int, default=1)
2012    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int, default=0xffef)
2013    p.set_defaults(func=nvmf_create_subsystem)
2014
2015    def nvmf_delete_subsystem(args):
2016        rpc.nvmf.nvmf_delete_subsystem(args.client,
2017                                       nqn=args.subsystem_nqn,
2018                                       tgt_name=args.tgt_name)
2019
2020    p = subparsers.add_parser('nvmf_delete_subsystem', aliases=['delete_nvmf_subsystem'],
2021                              help='Delete a nvmf subsystem')
2022    p.add_argument('subsystem_nqn',
2023                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2024    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2025    p.set_defaults(func=nvmf_delete_subsystem)
2026
2027    def nvmf_subsystem_add_listener(args):
2028        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2029
2030    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2031    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2032    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2033    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2034    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2035    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2036    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2037    p.set_defaults(func=nvmf_subsystem_add_listener)
2038
2039    def nvmf_subsystem_remove_listener(args):
2040        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2041                                                nqn=args.nqn,
2042                                                trtype=args.trtype,
2043                                                traddr=args.traddr,
2044                                                tgt_name=args.tgt_name,
2045                                                adrfam=args.adrfam,
2046                                                trsvcid=args.trsvcid)
2047
2048    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2049    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2050    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2051    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2052    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2053    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2054    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2055    p.set_defaults(func=nvmf_subsystem_remove_listener)
2056
2057    def nvmf_subsystem_listener_set_ana_state(args):
2058        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2059                                                       nqn=args.nqn,
2060                                                       ana_state=args.ana_state,
2061                                                       trtype=args.trtype,
2062                                                       traddr=args.traddr,
2063                                                       tgt_name=args.tgt_name,
2064                                                       adrfam=args.adrfam,
2065                                                       trsvcid=args.trsvcid,
2066                                                       anagrpid=args.anagrpid)
2067
2068    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2069    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2070    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2071    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2072    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2073    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2074    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2075    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2076    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2077    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2078
2079    def nvmf_subsystem_add_ns(args):
2080        rpc.nvmf.nvmf_subsystem_add_ns(args.client,
2081                                       nqn=args.nqn,
2082                                       bdev_name=args.bdev_name,
2083                                       tgt_name=args.tgt_name,
2084                                       ptpl_file=args.ptpl_file,
2085                                       nsid=args.nsid,
2086                                       nguid=args.nguid,
2087                                       eui64=args.eui64,
2088                                       uuid=args.uuid,
2089                                       anagrpid=args.anagrpid)
2090
2091    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2092    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2093    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2094    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2095    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2096    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2097    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2098    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2099    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2100    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2101    p.set_defaults(func=nvmf_subsystem_add_ns)
2102
2103    def nvmf_subsystem_remove_ns(args):
2104        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2105                                          nqn=args.nqn,
2106                                          nsid=args.nsid,
2107                                          tgt_name=args.tgt_name)
2108
2109    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2110    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2111    p.add_argument('nsid', help='The requested NSID', type=int)
2112    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2113    p.set_defaults(func=nvmf_subsystem_remove_ns)
2114
2115    def nvmf_subsystem_add_host(args):
2116        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2117                                         nqn=args.nqn,
2118                                         host=args.host,
2119                                         tgt_name=args.tgt_name)
2120
2121    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2122    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2123    p.add_argument('host', help='Host NQN to allow')
2124    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2125    p.set_defaults(func=nvmf_subsystem_add_host)
2126
2127    def nvmf_subsystem_remove_host(args):
2128        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2129                                            nqn=args.nqn,
2130                                            host=args.host,
2131                                            tgt_name=args.tgt_name)
2132
2133    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2134    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2135    p.add_argument('host', help='Host NQN to remove')
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_remove_host)
2138
2139    def nvmf_subsystem_allow_any_host(args):
2140        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2141                                               nqn=args.nqn,
2142                                               disable=args.disable,
2143                                               tgt_name=args.tgt_name)
2144
2145    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2146    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2147    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2148    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2149    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2150    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2151
2152    def nvmf_subsystem_get_controllers(args):
2153        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2154                                                           nqn=args.nqn,
2155                                                           tgt_name=args.tgt_name))
2156
2157    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2158                              help='Display controllers of an NVMe-oF subsystem.')
2159    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2160    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2161    p.set_defaults(func=nvmf_subsystem_get_controllers)
2162
2163    def nvmf_subsystem_get_qpairs(args):
2164        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2165                                                      nqn=args.nqn,
2166                                                      tgt_name=args.tgt_name))
2167
2168    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2169                              help='Display queue pairs of an NVMe-oF subsystem.')
2170    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2171    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2172    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2173
2174    def nvmf_subsystem_get_listeners(args):
2175        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2176                                                         nqn=args.nqn,
2177                                                         tgt_name=args.tgt_name))
2178
2179    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2180                              help='Display listeners of an NVMe-oF subsystem.')
2181    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2182    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2183    p.set_defaults(func=nvmf_subsystem_get_listeners)
2184
2185    def nvmf_get_stats(args):
2186        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2187
2188    p = subparsers.add_parser(
2189        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2190    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2191    p.set_defaults(func=nvmf_get_stats)
2192
2193    def nvmf_set_crdt(args):
2194        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2195
2196    p = subparsers.add_parser(
2197        'nvmf_set_crdt',
2198        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2199        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2200    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2201    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2202    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2203    p.set_defaults(func=nvmf_set_crdt)
2204
2205    # pmem
2206    def bdev_pmem_create_pool(args):
2207        num_blocks = int((args.total_size * 1024 * 1024) / args.block_size)
2208        rpc.pmem.bdev_pmem_create_pool(args.client,
2209                                       pmem_file=args.pmem_file,
2210                                       num_blocks=num_blocks,
2211                                       block_size=args.block_size)
2212
2213    p = subparsers.add_parser('bdev_pmem_create_pool', aliases=['create_pmem_pool'],
2214                              help='Create pmem pool')
2215    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2216    p.add_argument('total_size', help='Size of pmem bdev in MB (int > 0)', type=int)
2217    p.add_argument('block_size', help='Block size for this pmem pool', type=int)
2218    p.set_defaults(func=bdev_pmem_create_pool)
2219
2220    def bdev_pmem_get_pool_info(args):
2221        print_dict(rpc.pmem.bdev_pmem_get_pool_info(args.client,
2222                                                    pmem_file=args.pmem_file))
2223
2224    p = subparsers.add_parser('bdev_pmem_get_pool_info', aliases=['pmem_pool_info'],
2225                              help='Display pmem pool info and check consistency')
2226    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2227    p.set_defaults(func=bdev_pmem_get_pool_info)
2228
2229    def bdev_pmem_delete_pool(args):
2230        rpc.pmem.bdev_pmem_delete_pool(args.client,
2231                                       pmem_file=args.pmem_file)
2232
2233    p = subparsers.add_parser('bdev_pmem_delete_pool', aliases=['delete_pmem_pool'],
2234                              help='Delete pmem pool')
2235    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2236    p.set_defaults(func=bdev_pmem_delete_pool)
2237
2238    # subsystem
2239    def framework_get_subsystems(args):
2240        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2241
2242    p = subparsers.add_parser('framework_get_subsystems', aliases=['get_subsystems'],
2243                              help="""Print subsystems array in initialization order. Each subsystem
2244    entry contain (unsorted) array of subsystems it depends on.""")
2245    p.set_defaults(func=framework_get_subsystems)
2246
2247    def framework_get_config(args):
2248        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2249
2250    p = subparsers.add_parser('framework_get_config', aliases=['get_subsystem_config'],
2251                              help="""Print subsystem configuration""")
2252    p.add_argument('name', help='Name of subsystem to query')
2253    p.set_defaults(func=framework_get_config)
2254
2255    # vhost
2256    def vhost_controller_set_coalescing(args):
2257        rpc.vhost.vhost_controller_set_coalescing(args.client,
2258                                                  ctrlr=args.ctrlr,
2259                                                  delay_base_us=args.delay_base_us,
2260                                                  iops_threshold=args.iops_threshold)
2261
2262    p = subparsers.add_parser('vhost_controller_set_coalescing', aliases=['set_vhost_controller_coalescing'],
2263                              help='Set vhost controller coalescing')
2264    p.add_argument('ctrlr', help='controller name')
2265    p.add_argument('delay_base_us', help='Base delay time', type=int)
2266    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2267    p.set_defaults(func=vhost_controller_set_coalescing)
2268
2269    def vhost_create_scsi_controller(args):
2270        rpc.vhost.vhost_create_scsi_controller(args.client,
2271                                               ctrlr=args.ctrlr,
2272                                               cpumask=args.cpumask)
2273
2274    p = subparsers.add_parser(
2275        'vhost_create_scsi_controller', aliases=['construct_vhost_scsi_controller'],
2276        help='Add new vhost controller')
2277    p.add_argument('ctrlr', help='controller name')
2278    p.add_argument('--cpumask', help='cpu mask for this controller')
2279    p.set_defaults(func=vhost_create_scsi_controller)
2280
2281    def vhost_scsi_controller_add_target(args):
2282        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2283                                                              ctrlr=args.ctrlr,
2284                                                              scsi_target_num=args.scsi_target_num,
2285                                                              bdev_name=args.bdev_name))
2286
2287    p = subparsers.add_parser('vhost_scsi_controller_add_target',
2288                              aliases=['add_vhost_scsi_lun'],
2289                              help='Add lun to vhost controller')
2290    p.add_argument('ctrlr', help='conntroller name where add lun')
2291    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2292    p.add_argument('bdev_name', help='bdev name')
2293    p.set_defaults(func=vhost_scsi_controller_add_target)
2294
2295    def vhost_scsi_controller_remove_target(args):
2296        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2297                                                      ctrlr=args.ctrlr,
2298                                                      scsi_target_num=args.scsi_target_num)
2299
2300    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2301                              aliases=['remove_vhost_scsi_target'],
2302                              help='Remove target from vhost controller')
2303    p.add_argument('ctrlr', help='controller name to remove target from')
2304    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2305    p.set_defaults(func=vhost_scsi_controller_remove_target)
2306
2307    def vhost_create_blk_controller(args):
2308        rpc.vhost.vhost_create_blk_controller(args.client,
2309                                              ctrlr=args.ctrlr,
2310                                              dev_name=args.dev_name,
2311                                              cpumask=args.cpumask,
2312                                              readonly=args.readonly,
2313                                              packed_ring=args.packed_ring,
2314                                              packed_ring_recovery=args.packed_ring_recovery)
2315
2316    p = subparsers.add_parser('vhost_create_blk_controller',
2317                              aliases=['construct_vhost_blk_controller'],
2318                              help='Add a new vhost block controller')
2319    p.add_argument('ctrlr', help='controller name')
2320    p.add_argument('dev_name', help='device name')
2321    p.add_argument('--cpumask', help='cpu mask for this controller')
2322    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2323    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2324    p.add_argument("-l", "--packed_ring_recovery", action='store_true', help='Enable packed ring live reocvery')
2325    p.set_defaults(func=vhost_create_blk_controller)
2326
2327    def vhost_get_controllers(args):
2328        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2329
2330    p = subparsers.add_parser('vhost_get_controllers', aliases=['get_vhost_controllers'],
2331                              help='List all or specific vhost controller(s)')
2332    p.add_argument('-n', '--name', help="Name of vhost controller", required=False)
2333    p.set_defaults(func=vhost_get_controllers)
2334
2335    def vhost_delete_controller(args):
2336        rpc.vhost.vhost_delete_controller(args.client,
2337                                          ctrlr=args.ctrlr)
2338
2339    p = subparsers.add_parser('vhost_delete_controller', aliases=['remove_vhost_controller'],
2340                              help='Delete a vhost controller')
2341    p.add_argument('ctrlr', help='controller name')
2342    p.set_defaults(func=vhost_delete_controller)
2343
2344    def bdev_virtio_attach_controller(args):
2345        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2346                                                            name=args.name,
2347                                                            trtype=args.trtype,
2348                                                            traddr=args.traddr,
2349                                                            dev_type=args.dev_type,
2350                                                            vq_count=args.vq_count,
2351                                                            vq_size=args.vq_size))
2352
2353    p = subparsers.add_parser('bdev_virtio_attach_controller', aliases=['construct_virtio_dev'],
2354                              help="""Attach virtio controller using provided
2355    transport type and device type. This will also create bdevs for any block devices connected to the
2356    controller (for example, SCSI devices for a virtio-scsi controller).
2357    Result is array of added bdevs.""")
2358    p.add_argument('name', help="Use this name as base for new created bdevs")
2359    p.add_argument('-t', '--trtype',
2360                   help='Virtio target transport type: pci or user', required=True)
2361    p.add_argument('-a', '--traddr',
2362                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2363    p.add_argument('-d', '--dev-type',
2364                   help='Device type: blk or scsi', required=True)
2365    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2366    p.add_argument('--vq-size', help='Size of each queue', type=int)
2367    p.set_defaults(func=bdev_virtio_attach_controller)
2368
2369    def bdev_virtio_scsi_get_devices(args):
2370        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2371
2372    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', aliases=['get_virtio_scsi_devs'],
2373                              help='List all Virtio-SCSI devices.')
2374    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2375
2376    def bdev_virtio_detach_controller(args):
2377        rpc.vhost.bdev_virtio_detach_controller(args.client,
2378                                                name=args.name)
2379
2380    p = subparsers.add_parser('bdev_virtio_detach_controller', aliases=['remove_virtio_bdev'],
2381                              help="""Remove a Virtio device
2382    This will delete all bdevs exposed by this device""")
2383    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2384    p.set_defaults(func=bdev_virtio_detach_controller)
2385
2386    def bdev_virtio_blk_set_hotplug(args):
2387        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2388
2389    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2390    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2391    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2392    p.add_argument('-r', '--period-us',
2393                   help='How often the hotplug is processed for insert and remove events', type=int)
2394    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2395
2396    # ioat
2397    def ioat_scan_accel_engine(args):
2398        rpc.ioat.ioat_scan_accel_engine(args.client)
2399
2400    p = subparsers.add_parser('ioat_scan_accel_engine',
2401                              aliases=['ioat_scan_copy_engine', 'scan_ioat_copy_engine'],
2402                              help='Enable IOAT accel engine offload.')
2403    p.set_defaults(func=ioat_scan_accel_engine)
2404
2405    # idxd
2406    def idxd_scan_accel_engine(args):
2407        rpc.idxd.idxd_scan_accel_engine(args.client, config_number=args.config_number,
2408                                        config_kernel_mode=args.config_kernel_mode)
2409
2410    p = subparsers.add_parser('idxd_scan_accel_engine',
2411                              help='Set config and enable idxd accel engine offload.')
2412    p.add_argument('-c', '--config-number', help="""Pre-defined configuration number to use. See docs.""", type=int)
2413    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode idxd',
2414                   action='store_true', dest='config_kernel_mode')
2415    p.set_defaults(func=idxd_scan_accel_engine, config_kernel_mode=None)
2416
2417    # opal
2418    def bdev_nvme_opal_init(args):
2419        rpc.nvme.bdev_nvme_opal_init(args.client,
2420                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
2421                                     password=args.password)
2422
2423    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
2424    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2425    p.add_argument('-p', '--password', help='password for admin')
2426    p.set_defaults(func=bdev_nvme_opal_init)
2427
2428    def bdev_nvme_opal_revert(args):
2429        rpc.nvme.bdev_nvme_opal_revert(args.client,
2430                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
2431                                       password=args.password)
2432    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
2433    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2434    p.add_argument('-p', '--password', help='password')
2435    p.set_defaults(func=bdev_nvme_opal_revert)
2436
2437    def bdev_opal_create(args):
2438        print_json(rpc.bdev.bdev_opal_create(args.client,
2439                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
2440                                             nsid=args.nsid,
2441                                             locking_range_id=args.locking_range_id,
2442                                             range_start=args.range_start,
2443                                             range_length=args.range_length,
2444                                             password=args.password))
2445
2446    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
2447    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
2448    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
2449    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
2450    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
2451    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
2452    p.add_argument('-p', '--password', help='admin password', required=True)
2453    p.set_defaults(func=bdev_opal_create)
2454
2455    def bdev_opal_get_info(args):
2456        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
2457                                               bdev_name=args.bdev_name,
2458                                               password=args.password))
2459
2460    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
2461    p.add_argument('-b', '--bdev-name', help='opal bdev')
2462    p.add_argument('-p', '--password', help='password')
2463    p.set_defaults(func=bdev_opal_get_info)
2464
2465    def bdev_opal_delete(args):
2466        rpc.bdev.bdev_opal_delete(args.client,
2467                                  bdev_name=args.bdev_name,
2468                                  password=args.password)
2469
2470    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
2471    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
2472    p.add_argument('-p', '--password', help='admin password', required=True)
2473    p.set_defaults(func=bdev_opal_delete)
2474
2475    def bdev_opal_new_user(args):
2476        rpc.bdev.bdev_opal_new_user(args.client,
2477                                    bdev_name=args.bdev_name,
2478                                    admin_password=args.admin_password,
2479                                    user_id=args.user_id,
2480                                    user_password=args.user_password)
2481
2482    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
2483    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2484    p.add_argument('-p', '--admin-password', help='admin password', required=True)
2485    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
2486    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
2487    p.set_defaults(func=bdev_opal_new_user)
2488
2489    def bdev_opal_set_lock_state(args):
2490        rpc.bdev.bdev_opal_set_lock_state(args.client,
2491                                          bdev_name=args.bdev_name,
2492                                          user_id=args.user_id,
2493                                          password=args.password,
2494                                          lock_state=args.lock_state)
2495
2496    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
2497    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2498    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',
2499                   type=int, required=True)
2500    p.add_argument('-p', '--password', help='password of this user', required=True)
2501    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
2502    p.set_defaults(func=bdev_opal_set_lock_state)
2503
2504    # bdev_nvme_send_cmd
2505    def bdev_nvme_send_cmd(args):
2506        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
2507                                               name=args.nvme_name,
2508                                               cmd_type=args.cmd_type,
2509                                               data_direction=args.data_direction,
2510                                               cmdbuf=args.cmdbuf,
2511                                               data=args.data,
2512                                               metadata=args.metadata,
2513                                               data_len=args.data_length,
2514                                               metadata_len=args.metadata_length,
2515                                               timeout_ms=args.timeout_ms))
2516
2517    p = subparsers.add_parser('bdev_nvme_send_cmd', aliases=['send_nvme_cmd'],
2518                              help='NVMe passthrough cmd.')
2519    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
2520    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
2521    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
2522    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
2523    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
2524    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
2525    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
2526    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
2527    p.add_argument('-T', '--timeout-ms',
2528                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int, default=0)
2529    p.set_defaults(func=bdev_nvme_send_cmd)
2530
2531    # Notifications
2532    def notify_get_types(args):
2533        print_dict(rpc.notify.notify_get_types(args.client))
2534
2535    p = subparsers.add_parser('notify_get_types', aliases=['get_notification_types'],
2536                              help='List available notifications that user can subscribe to.')
2537    p.set_defaults(func=notify_get_types)
2538
2539    def notify_get_notifications(args):
2540        ret = rpc.notify.notify_get_notifications(args.client,
2541                                                  id=args.id,
2542                                                  max=args.max)
2543        print_dict(ret)
2544
2545    p = subparsers.add_parser('notify_get_notifications', aliases=['get_notifications'],
2546                              help='Get notifications')
2547    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
2548    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
2549    p.set_defaults(func=notify_get_notifications)
2550
2551    def thread_get_stats(args):
2552        print_dict(rpc.app.thread_get_stats(args.client))
2553
2554    p = subparsers.add_parser(
2555        'thread_get_stats', help='Display current statistics of all the threads')
2556    p.set_defaults(func=thread_get_stats)
2557
2558    def thread_set_cpumask(args):
2559        ret = rpc.app.thread_set_cpumask(args.client,
2560                                         id=args.id,
2561                                         cpumask=args.cpumask)
2562    p = subparsers.add_parser('thread_set_cpumask',
2563                              help="""set the cpumask of the thread whose ID matches to the
2564    specified value. The thread may be migrated to one of the specified CPUs.""")
2565    p.add_argument('-i', '--id', type=int, help='thread ID')
2566    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
2567    p.set_defaults(func=thread_set_cpumask)
2568
2569    def log_enable_timestamps(args):
2570        ret = rpc.app.log_enable_timestamps(args.client,
2571                                            enabled=args.enabled)
2572    p = subparsers.add_parser('log_enable_timestamps',
2573                              help='Enable or disable timestamps.')
2574    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
2575    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
2576    p.set_defaults(func=log_enable_timestamps)
2577
2578    def thread_get_pollers(args):
2579        print_dict(rpc.app.thread_get_pollers(args.client))
2580
2581    p = subparsers.add_parser(
2582        'thread_get_pollers', help='Display current pollers of all the threads')
2583    p.set_defaults(func=thread_get_pollers)
2584
2585    def thread_get_io_channels(args):
2586        print_dict(rpc.app.thread_get_io_channels(args.client))
2587
2588    p = subparsers.add_parser(
2589        'thread_get_io_channels', help='Display current IO channels of all the threads')
2590    p.set_defaults(func=thread_get_io_channels)
2591
2592    def env_dpdk_get_mem_stats(args):
2593        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
2594
2595    p = subparsers.add_parser(
2596        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
2597    p.set_defaults(func=env_dpdk_get_mem_stats)
2598
2599    # blobfs
2600    def blobfs_detect(args):
2601        print(rpc.blobfs.blobfs_detect(args.client,
2602                                       bdev_name=args.bdev_name))
2603
2604    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
2605    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
2606    p.set_defaults(func=blobfs_detect)
2607
2608    def blobfs_create(args):
2609        print(rpc.blobfs.blobfs_create(args.client,
2610                                       bdev_name=args.bdev_name,
2611                                       cluster_sz=args.cluster_sz))
2612
2613    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
2614    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
2615    p.add_argument('-c', '--cluster-sz',
2616                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
2617    p.set_defaults(func=blobfs_create)
2618
2619    def blobfs_mount(args):
2620        print(rpc.blobfs.blobfs_mount(args.client,
2621                                      bdev_name=args.bdev_name,
2622                                      mountpoint=args.mountpoint))
2623
2624    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
2625    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
2626    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
2627    p.set_defaults(func=blobfs_mount)
2628
2629    def blobfs_set_cache_size(args):
2630        print(rpc.blobfs.blobfs_set_cache_size(args.client,
2631                                               size_in_mb=args.size_in_mb))
2632
2633    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
2634    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
2635    p.set_defaults(func=blobfs_set_cache_size)
2636
2637    # sock
2638    def sock_impl_get_options(args):
2639        print_json(rpc.sock.sock_impl_get_options(args.client,
2640                                                  impl_name=args.impl))
2641
2642    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
2643    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2644    p.set_defaults(func=sock_impl_get_options)
2645
2646    def sock_impl_set_options(args):
2647        rpc.sock.sock_impl_set_options(args.client,
2648                                       impl_name=args.impl,
2649                                       recv_buf_size=args.recv_buf_size,
2650                                       send_buf_size=args.send_buf_size,
2651                                       enable_recv_pipe=args.enable_recv_pipe,
2652                                       enable_quickack=args.enable_quickack,
2653                                       enable_placement_id=args.enable_placement_id,
2654                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
2655                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client)
2656
2657    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
2658    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2659    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
2660    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
2661    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
2662    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
2663                   action='store_true', dest='enable_recv_pipe')
2664    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
2665                   action='store_false', dest='enable_recv_pipe')
2666    p.add_argument('--enable-quickack', help='Enable quick ACK',
2667                   action='store_true', dest='enable_quickack')
2668    p.add_argument('--disable-quickack', help='Disable quick ACK',
2669                   action='store_false', dest='enable_quickack')
2670    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
2671                   action='store_true', dest='enable_zerocopy_send_server')
2672    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
2673                   action='store_false', dest='enable_zerocopy_send_server')
2674    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
2675                   action='store_true', dest='enable_zerocopy_send_client')
2676    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
2677                   action='store_false', dest='enable_zerocopy_send_client')
2678    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
2679                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None)
2680
2681    def sock_set_default_impl(args):
2682        print_json(rpc.sock.sock_set_default_impl(args.client,
2683                                                  impl_name=args.impl))
2684
2685    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
2686    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2687    p.set_defaults(func=sock_set_default_impl)
2688
2689    def check_called_name(name):
2690        if name in deprecated_aliases:
2691            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
2692
2693    class dry_run_client:
2694        def call(self, method, params=None):
2695            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
2696
2697    def null_print(arg):
2698        pass
2699
2700    def call_rpc_func(args):
2701        args.func(args)
2702        check_called_name(args.called_rpc_name)
2703
2704    def execute_script(parser, client, fd):
2705        executed_rpc = ""
2706        for rpc_call in map(str.rstrip, fd):
2707            if not rpc_call.strip():
2708                continue
2709            executed_rpc = "\n".join([executed_rpc, rpc_call])
2710            args = parser.parse_args(shlex.split(rpc_call))
2711            args.client = client
2712            try:
2713                call_rpc_func(args)
2714            except JSONRPCException as ex:
2715                print("Exception:")
2716                print(executed_rpc.strip() + " <<<")
2717                print(ex.message)
2718                exit(1)
2719
2720    def load_plugin(args):
2721        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
2722        plugin_parser = argparse.ArgumentParser(add_help=False)
2723        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
2724
2725        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
2726        if args is not None:
2727            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
2728
2729        if rpc_module is not None:
2730            try:
2731                rpc_plugin = importlib.import_module(rpc_module)
2732                try:
2733                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
2734                except AttributeError:
2735                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
2736            except ModuleNotFoundError:
2737                print("Module %s not found" % rpc_module)
2738
2739    def replace_arg_underscores(args):
2740        # All option names are defined with dashes only - for example: --tgt-name
2741        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
2742        # SPDK was inconsistent previously and had some options with underscores, so
2743        # doing this conversion ensures backward compatibility with older scripts.
2744        for i in range(len(args)):
2745            arg = args[i]
2746            if arg.startswith('--') and "_" in arg:
2747                args[i] = arg.replace('_', '-')
2748
2749    load_plugin(None)
2750
2751    replace_arg_underscores(sys.argv)
2752
2753    args = parser.parse_args()
2754
2755    if sys.stdin.isatty() and not hasattr(args, 'func'):
2756        # No arguments and no data piped through stdin
2757        parser.print_help()
2758        exit(1)
2759    if args.is_server:
2760        for input in sys.stdin:
2761            cmd = shlex.split(input)
2762            replace_arg_underscores(cmd)
2763            try:
2764                load_plugin(cmd)
2765                tmp_args = parser.parse_args(cmd)
2766            except SystemExit as ex:
2767                print("**STATUS=1", flush=True)
2768                continue
2769
2770            try:
2771                tmp_args.client = rpc.client.JSONRPCClient(
2772                    tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
2773                    log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
2774                call_rpc_func(tmp_args)
2775                print("**STATUS=0", flush=True)
2776            except JSONRPCException as ex:
2777                print(ex.message)
2778                print("**STATUS=1", flush=True)
2779        exit(0)
2780    elif args.dry_run:
2781        args.client = dry_run_client()
2782        print_dict = null_print
2783        print_json = null_print
2784        print_array = null_print
2785    else:
2786        try:
2787            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
2788                                                   log_level=getattr(logging, args.verbose.upper()),
2789                                                   conn_retries=args.conn_retries)
2790        except JSONRPCException as ex:
2791            print(ex.message)
2792            exit(1)
2793
2794    if hasattr(args, 'func'):
2795        try:
2796            call_rpc_func(args)
2797        except JSONRPCException as ex:
2798            print(ex.message)
2799            exit(1)
2800    else:
2801        execute_script(parser, args.client, sys.stdin)
2802