xref: /spdk/scripts/rpc.py (revision 510f4c134a21b45ff3a5add9ebc6c6cf7e49aeab)
1#!/usr/bin/env python3
2
3import logging
4import argparse
5import importlib
6import os
7import sys
8import shlex
9import json
10
11try:
12    from shlex import quote
13except ImportError:
14    from pipes import quote
15
16sys.path.append(os.path.dirname(__file__) + '/../python')
17
18import spdk.rpc as rpc  # noqa
19from spdk.rpc.client import print_dict, print_json, JSONRPCException  # noqa
20from spdk.rpc.helpers import deprecated_aliases  # noqa
21
22
23def print_array(a):
24    print(" ".join((quote(v) for v in a)))
25
26
27if __name__ == "__main__":
28    parser = argparse.ArgumentParser(
29        description='SPDK RPC command line interface', usage='%(prog)s [options]')
30    parser.add_argument('-s', dest='server_addr',
31                        help='RPC domain socket path or IP address', default='/var/tmp/spdk.sock')
32    parser.add_argument('-p', dest='port',
33                        help='RPC port number (if server_addr is IP address)',
34                        default=5260, type=int)
35    parser.add_argument('-t', dest='timeout',
36                        help='Timeout as a floating point number expressed in seconds waiting for response. Default: 60.0',
37                        default=60.0, type=float)
38    parser.add_argument('-r', dest='conn_retries',
39                        help='Retry connecting to the RPC server N times with 0.2s interval. Default: 0',
40                        default=0, type=int)
41    parser.add_argument('-v', dest='verbose', action='store_const', const="INFO",
42                        help='Set verbose mode to INFO', default="ERROR")
43    parser.add_argument('--verbose', dest='verbose', choices=['DEBUG', 'INFO', 'ERROR'],
44                        help="""Set verbose level. """)
45    parser.add_argument('--dry-run', dest='dry_run', action='store_true', help="Display request and exit")
46    parser.set_defaults(dry_run=False)
47    parser.add_argument('--server', dest='is_server', action='store_true',
48                        help="Start listening on stdin, parse each line as a regular rpc.py execution and create \
49                                a separate connection for each command. Each command's output ends with either \
50                                **STATUS=0 if the command succeeded or **STATUS=1 if it failed. --server is meant \
51                                to be used in conjunction with bash coproc, where stdin and stdout are connected to \
52                                pipes and can be used as a faster way to send RPC commands. If enabled, rpc.py \
53                                must be executed without any other parameters.")
54    parser.set_defaults(is_server=False)
55    parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
56    subparsers = parser.add_subparsers(help='RPC methods', dest='called_rpc_name', metavar='')
57
58    def framework_start_init(args):
59        rpc.framework_start_init(args.client)
60
61    p = subparsers.add_parser('framework_start_init', help='Start initialization of subsystems')
62    p.set_defaults(func=framework_start_init)
63
64    def framework_wait_init(args):
65        rpc.framework_wait_init(args.client)
66
67    p = subparsers.add_parser('framework_wait_init', help='Block until subsystems have been initialized')
68    p.set_defaults(func=framework_wait_init)
69
70    def rpc_get_methods(args):
71        print_dict(rpc.rpc_get_methods(args.client,
72                                       current=args.current,
73                                       include_aliases=args.include_aliases))
74
75    p = subparsers.add_parser('rpc_get_methods', 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', help='Get SPDK version')
84    p.set_defaults(func=spdk_get_version)
85
86    def save_config(args):
87        rpc.save_config(args.client,
88                        sys.stdout,
89                        indent=args.indent)
90
91    p = subparsers.add_parser('save_config', help="""Write current (live) configuration of SPDK subsystems and targets to stdout.
92    """)
93    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
94    """, type=int, default=2)
95    p.set_defaults(func=save_config)
96
97    def load_config(args):
98        rpc.load_config(args.client, args.json_conf,
99                        include_aliases=args.include_aliases)
100
101    p = subparsers.add_parser('load_config', help="""Configure SPDK subsystems and targets using JSON RPC.""")
102    p.add_argument('-i', '--include-aliases', help='include RPC aliases', action='store_true')
103    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
104    p.set_defaults(func=load_config)
105
106    def save_subsystem_config(args):
107        rpc.save_subsystem_config(args.client,
108                                  sys.stdout,
109                                  indent=args.indent,
110                                  name=args.name)
111
112    p = subparsers.add_parser('save_subsystem_config', help="""Write current (live) configuration of SPDK subsystem to stdout.
113    """)
114    p.add_argument('-i', '--indent', help="""Indent level. Value less than 0 mean compact mode. Default indent level is 2.
115    """, type=int, default=2)
116    p.add_argument('-n', '--name', help='Name of subsystem', required=True)
117    p.set_defaults(func=save_subsystem_config)
118
119    def load_subsystem_config(args):
120        rpc.load_subsystem_config(args.client,
121                                  args.json_conf)
122
123    p = subparsers.add_parser('load_subsystem_config', help="""Configure SPDK subsystem using JSON RPC.""")
124    p.add_argument('-j', '--json-conf', help='Valid JSON configuration', default=sys.stdin)
125    p.set_defaults(func=load_subsystem_config)
126
127    # app
128    def spdk_kill_instance(args):
129        rpc.app.spdk_kill_instance(args.client,
130                                   sig_name=args.sig_name)
131
132    p = subparsers.add_parser('spdk_kill_instance', help='Send signal to instance')
133    p.add_argument('sig_name', help='signal will be sent to server.')
134    p.set_defaults(func=spdk_kill_instance)
135
136    def framework_monitor_context_switch(args):
137        enabled = None
138        if args.enable:
139            enabled = True
140        if args.disable:
141            enabled = False
142        print_dict(rpc.app.framework_monitor_context_switch(args.client,
143                                                            enabled=enabled))
144
145    p = subparsers.add_parser('framework_monitor_context_switch',
146                              help='Control whether the context switch monitor is enabled')
147    p.add_argument('-e', '--enable', action='store_true', help='Enable context switch monitoring')
148    p.add_argument('-d', '--disable', action='store_true', help='Disable context switch monitoring')
149    p.set_defaults(func=framework_monitor_context_switch)
150
151    def framework_get_reactors(args):
152        print_dict(rpc.app.framework_get_reactors(args.client))
153
154    p = subparsers.add_parser(
155        'framework_get_reactors', help='Display list of all reactors')
156    p.set_defaults(func=framework_get_reactors)
157
158    def framework_set_scheduler(args):
159        rpc.app.framework_set_scheduler(args.client,
160                                        name=args.name,
161                                        period=args.period,
162                                        load_limit=args.load_limit,
163                                        core_limit=args.core_limit,
164                                        core_busy=args.core_busy)
165
166    p = subparsers.add_parser(
167        'framework_set_scheduler', help='Select thread scheduler that will be activated and its period (experimental)')
168    p.add_argument('name', help="Name of a scheduler")
169    p.add_argument('-p', '--period', help="Scheduler period in microseconds", type=int)
170    p.add_argument('--load-limit', help="Scheduler load limit. Reserved for dynamic scheduler", type=int, required=False)
171    p.add_argument('--core-limit', help="Scheduler core limit. Reserved for dynamic scheduler", type=int, required=False)
172    p.add_argument('--core-busy', help="Scheduler core busy limit. Reserved for dynamic schedler", type=int, required=False)
173    p.set_defaults(func=framework_set_scheduler)
174
175    def framework_get_scheduler(args):
176        print_dict(rpc.app.framework_get_scheduler(args.client))
177
178    p = subparsers.add_parser(
179        'framework_get_scheduler', help='Display currently set scheduler and its properties.')
180    p.set_defaults(func=framework_get_scheduler)
181
182    # bdev
183    def bdev_set_options(args):
184        rpc.bdev.bdev_set_options(args.client,
185                                  bdev_io_pool_size=args.bdev_io_pool_size,
186                                  bdev_io_cache_size=args.bdev_io_cache_size,
187                                  bdev_auto_examine=args.bdev_auto_examine,
188                                  small_buf_pool_size=args.small_buf_pool_size,
189                                  large_buf_pool_size=args.large_buf_pool_size)
190
191    p = subparsers.add_parser('bdev_set_options',
192                              help="""Set options of bdev subsystem""")
193    p.add_argument('-p', '--bdev-io-pool-size', help='Number of bdev_io structures in shared buffer pool', type=int)
194    p.add_argument('-c', '--bdev-io-cache-size', help='Maximum number of bdev_io structures cached per thread', type=int)
195    p.add_argument('-s', '--small-buf-pool-size', help='Maximum number of small buf (i.e., 8KB) pool size', type=int)
196    p.add_argument('-l', '--large-buf-pool-size', help='Maximum number of large buf (i.e., 64KB) pool size', type=int)
197    group = p.add_mutually_exclusive_group()
198    group.add_argument('-e', '--enable-auto-examine', dest='bdev_auto_examine', help='Allow to auto examine', action='store_true')
199    group.add_argument('-d', '--disable-auto-examine', dest='bdev_auto_examine', help='Not allow to auto examine', action='store_false')
200    p.set_defaults(bdev_auto_examine=True)
201    p.set_defaults(func=bdev_set_options)
202
203    def bdev_examine(args):
204        rpc.bdev.bdev_examine(args.client,
205                              name=args.name)
206
207    p = subparsers.add_parser('bdev_examine',
208                              help="""examine a bdev if it exists, or will examine it after it is created""")
209    p.add_argument('-b', '--name', help='Name or alias of the bdev')
210    p.set_defaults(func=bdev_examine)
211
212    def bdev_wait_for_examine(args):
213        rpc.bdev.bdev_wait_for_examine(args.client)
214
215    p = subparsers.add_parser('bdev_wait_for_examine',
216                              help="""Report when all bdevs have been examined""")
217    p.set_defaults(func=bdev_wait_for_examine)
218
219    def bdev_compress_create(args):
220        print_json(rpc.bdev.bdev_compress_create(args.client,
221                                                 base_bdev_name=args.base_bdev_name,
222                                                 pm_path=args.pm_path,
223                                                 lb_size=args.lb_size))
224
225    p = subparsers.add_parser('bdev_compress_create', help='Add a compress vbdev')
226    p.add_argument('-b', '--base-bdev-name', help="Name of the base bdev")
227    p.add_argument('-p', '--pm-path', help="Path to persistent memory")
228    p.add_argument('-l', '--lb-size', help="Compressed vol logical block size (optional, if used must be 512 or 4096)", type=int)
229    p.set_defaults(func=bdev_compress_create)
230
231    def bdev_compress_delete(args):
232        rpc.bdev.bdev_compress_delete(args.client,
233                                      name=args.name)
234
235    p = subparsers.add_parser('bdev_compress_delete', help='Delete a compress disk')
236    p.add_argument('name', help='compress bdev name')
237    p.set_defaults(func=bdev_compress_delete)
238
239    def bdev_compress_set_pmd(args):
240        rpc.bdev.bdev_compress_set_pmd(args.client,
241                                       pmd=args.pmd)
242    p = subparsers.add_parser('bdev_compress_set_pmd', help='Set pmd option for a compress disk')
243    p.add_argument('-p', '--pmd', type=int, help='0 = auto-select, 1= QAT only, 2 = ISAL only, 3 = mlx5_pci only')
244    p.set_defaults(func=bdev_compress_set_pmd)
245
246    def bdev_compress_get_orphans(args):
247        print_dict(rpc.bdev.bdev_compress_get_orphans(args.client,
248                                                      name=args.name))
249    p = subparsers.add_parser(
250        'bdev_compress_get_orphans', help='Display list of orphaned compress bdevs.')
251    p.add_argument('-b', '--name', help="Name of a comp bdev. Example: COMP_Nvme0n1", required=False)
252    p.set_defaults(func=bdev_compress_get_orphans)
253
254    def bdev_crypto_create(args):
255        print_json(rpc.bdev.bdev_crypto_create(args.client,
256                                               base_bdev_name=args.base_bdev_name,
257                                               name=args.name,
258                                               crypto_pmd=args.crypto_pmd,
259                                               key=args.key,
260                                               cipher=args.cipher,
261                                               key2=args.key2))
262    p = subparsers.add_parser('bdev_crypto_create', 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)")
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', help='Delete a crypto disk')
276    p.add_argument('name', help='crypto bdev name')
277    p.set_defaults(func=bdev_crypto_delete)
278
279    def bdev_ocf_create(args):
280        print_json(rpc.bdev.bdev_ocf_create(args.client,
281                                            name=args.name,
282                                            mode=args.mode,
283                                            cache_line_size=args.cache_line_size,
284                                            cache_bdev_name=args.cache_bdev_name,
285                                            core_bdev_name=args.core_bdev_name))
286    p = subparsers.add_parser('bdev_ocf_create', help='Add an OCF block device')
287    p.add_argument('name', help='Name of resulting OCF bdev')
288    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
289    p.add_argument(
290        '--cache-line-size',
291        help='OCF cache line size. The unit is KiB',
292        type=int,
293        choices=[4, 8, 16, 32, 64],
294        required=False
295    )
296    p.add_argument('cache_bdev_name', help='Name of underlying cache bdev')
297    p.add_argument('core_bdev_name', help='Name of underlying core bdev')
298    p.set_defaults(func=bdev_ocf_create)
299
300    def bdev_ocf_delete(args):
301        rpc.bdev.bdev_ocf_delete(args.client,
302                                 name=args.name)
303
304    p = subparsers.add_parser('bdev_ocf_delete', help='Delete an OCF block device')
305    p.add_argument('name', help='Name of OCF bdev')
306    p.set_defaults(func=bdev_ocf_delete)
307
308    def bdev_ocf_get_stats(args):
309        print_dict(rpc.bdev.bdev_ocf_get_stats(args.client,
310                                               name=args.name))
311    p = subparsers.add_parser('bdev_ocf_get_stats', help='Get statistics of chosen OCF block device')
312    p.add_argument('name', help='Name of OCF bdev')
313    p.set_defaults(func=bdev_ocf_get_stats)
314
315    def bdev_ocf_get_bdevs(args):
316        print_dict(rpc.bdev.bdev_ocf_get_bdevs(args.client,
317                                               name=args.name))
318    p = subparsers.add_parser('bdev_ocf_get_bdevs', help='Get list of OCF devices including unregistered ones')
319    p.add_argument('name', nargs='?', help='name of OCF vbdev or name of cache device or name of core device (optional)')
320    p.set_defaults(func=bdev_ocf_get_bdevs)
321
322    def bdev_ocf_set_cache_mode(args):
323        print_json(rpc.bdev.bdev_ocf_set_cache_mode(args.client,
324                                                    name=args.name,
325                                                    mode=args.mode))
326    p = subparsers.add_parser('bdev_ocf_set_cache_mode',
327                              help='Set cache mode of OCF block device')
328    p.add_argument('name', help='Name of OCF bdev')
329    p.add_argument('mode', help='OCF cache mode', choices=['wb', 'wt', 'pt', 'wa', 'wi', 'wo'])
330    p.set_defaults(func=bdev_ocf_set_cache_mode)
331
332    def bdev_ocf_set_seqcutoff(args):
333        rpc.bdev.bdev_ocf_set_seqcutoff(args.client,
334                                        name=args.name,
335                                        policy=args.policy,
336                                        threshold=args.threshold,
337                                        promotion_count=args.promotion_count)
338    p = subparsers.add_parser('bdev_ocf_set_seqcutoff',
339                              help='Set sequential cutoff parameters on all cores for the given OCF cache device')
340    p.add_argument('name', help='Name of OCF cache bdev')
341    p.add_argument('-t', '--threshold', type=int,
342                   help='Activation threshold [KiB]')
343    p.add_argument('-c', '--promotion-count', type=int,
344                   help='Promotion request count')
345    p.add_argument('-p', '--policy', choices=['always', 'full', 'never'], required=True,
346                   help='Sequential cutoff policy')
347    p.set_defaults(func=bdev_ocf_set_seqcutoff)
348
349    def bdev_malloc_create(args):
350        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
351        print_json(rpc.bdev.bdev_malloc_create(args.client,
352                                               num_blocks=int(num_blocks),
353                                               block_size=args.block_size,
354                                               name=args.name,
355                                               uuid=args.uuid,
356                                               optimal_io_boundary=args.optimal_io_boundary))
357    p = subparsers.add_parser('bdev_malloc_create', help='Create a bdev with malloc backend')
358    p.add_argument('-b', '--name', help="Name of the bdev")
359    p.add_argument('-u', '--uuid', help="UUID of the bdev")
360    p.add_argument(
361        'total_size', help='Size of malloc bdev in MB (float > 0)', type=float)
362    p.add_argument('block_size', help='Block size for this bdev', type=int)
363    p.add_argument('-o', '--optimal-io-boundary', help="""Split on optimal IO boundary, in number of
364    blocks, default 0 (disabled)""", type=int)
365    p.set_defaults(func=bdev_malloc_create)
366
367    def bdev_malloc_delete(args):
368        rpc.bdev.bdev_malloc_delete(args.client,
369                                    name=args.name)
370
371    p = subparsers.add_parser('bdev_malloc_delete', help='Delete a malloc disk')
372    p.add_argument('name', help='malloc bdev name')
373    p.set_defaults(func=bdev_malloc_delete)
374
375    def bdev_null_create(args):
376        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
377        if args.dif_type and not args.md_size:
378            print("ERROR: --md-size must be > 0 when --dif-type is > 0")
379            exit(1)
380        print_json(rpc.bdev.bdev_null_create(args.client,
381                                             num_blocks=num_blocks,
382                                             block_size=args.block_size,
383                                             name=args.name,
384                                             uuid=args.uuid,
385                                             md_size=args.md_size,
386                                             dif_type=args.dif_type,
387                                             dif_is_head_of_md=args.dif_is_head_of_md))
388
389    p = subparsers.add_parser('bdev_null_create', help='Add a bdev with null backend')
390    p.add_argument('name', help='Block device name')
391    p.add_argument('-u', '--uuid', help='UUID of the bdev')
392    p.add_argument('total_size', help='Size of null bdev in MB (int > 0). Includes only data blocks.', type=int)
393    p.add_argument('block_size', help='Block size for this bdev.'
394                                      'Should be a sum of block size and metadata size if --md-size is used.', type=int)
395    p.add_argument('-m', '--md-size', type=int,
396                   help='Metadata size for this bdev. Default=0.')
397    p.add_argument('-t', '--dif-type', type=int, choices=[0, 1, 2, 3],
398                   help='Protection information type. Parameter --md-size needs'
399                        'to be set along --dif-type. Default=0 - no protection.')
400    p.add_argument('-d', '--dif-is-head-of-md', action='store_true',
401                   help='Protection information is in the first 8 bytes of metadata. Default=false.')
402    p.set_defaults(func=bdev_null_create)
403
404    def bdev_null_delete(args):
405        rpc.bdev.bdev_null_delete(args.client,
406                                  name=args.name)
407
408    p = subparsers.add_parser('bdev_null_delete', help='Delete a null bdev')
409    p.add_argument('name', help='null bdev name')
410    p.set_defaults(func=bdev_null_delete)
411
412    def bdev_null_resize(args):
413        print_json(rpc.bdev.bdev_null_resize(args.client,
414                                             name=args.name,
415                                             new_size=int(args.new_size)))
416
417    p = subparsers.add_parser('bdev_null_resize',
418                              help='Resize a null bdev')
419    p.add_argument('name', help='null bdev name')
420    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
421    p.set_defaults(func=bdev_null_resize)
422
423    def bdev_aio_create(args):
424        print_json(rpc.bdev.bdev_aio_create(args.client,
425                                            filename=args.filename,
426                                            name=args.name,
427                                            block_size=args.block_size))
428
429    p = subparsers.add_parser('bdev_aio_create', help='Add a bdev with aio backend')
430    p.add_argument('filename', help='Path to device or file (ex: /dev/sda)')
431    p.add_argument('name', help='Block device name')
432    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
433    p.set_defaults(func=bdev_aio_create)
434
435    def bdev_aio_rescan(args):
436        print_json(rpc.bdev.bdev_aio_rescan(args.client,
437                                            name=args.name))
438
439    p = subparsers.add_parser('bdev_aio_rescan', help='Rescan a bdev size with aio backend')
440    p.add_argument('name', help='Block device name')
441    p.set_defaults(func=bdev_aio_rescan)
442
443    def bdev_aio_delete(args):
444        rpc.bdev.bdev_aio_delete(args.client,
445                                 name=args.name)
446
447    p = subparsers.add_parser('bdev_aio_delete', help='Delete an aio disk')
448    p.add_argument('name', help='aio bdev name')
449    p.set_defaults(func=bdev_aio_delete)
450
451    def bdev_uring_create(args):
452        print_json(rpc.bdev.bdev_uring_create(args.client,
453                                              filename=args.filename,
454                                              name=args.name,
455                                              block_size=args.block_size))
456
457    p = subparsers.add_parser('bdev_uring_create', help='Create a bdev with io_uring backend')
458    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
459    p.add_argument('name', help='bdev name')
460    p.add_argument('block_size', help='Block size for this bdev', type=int, nargs='?')
461    p.set_defaults(func=bdev_uring_create)
462
463    def bdev_uring_delete(args):
464        rpc.bdev.bdev_uring_delete(args.client,
465                                   name=args.name)
466
467    p = subparsers.add_parser('bdev_uring_delete', help='Delete a uring bdev')
468    p.add_argument('name', help='uring bdev name')
469    p.set_defaults(func=bdev_uring_delete)
470
471    def bdev_xnvme_create(args):
472        print_json(rpc.bdev.bdev_xnvme_create(args.client,
473                                              filename=args.filename,
474                                              name=args.name,
475                                              io_mechanism=args.io_mechanism))
476
477    p = subparsers.add_parser('bdev_xnvme_create', help='Create a bdev with xNVMe backend')
478    p.add_argument('filename', help='Path to device or file (ex: /dev/nvme0n1)')
479    p.add_argument('name', help='name of xNVMe bdev to create')
480    p.add_argument('io_mechanism', help='IO mechanism to use (ex: libaio, io_uring, io_uring_cmd, etc.)')
481    p.set_defaults(func=bdev_xnvme_create)
482
483    def bdev_xnvme_delete(args):
484        rpc.bdev.bdev_xnvme_delete(args.client,
485                                   name=args.name)
486
487    p = subparsers.add_parser('bdev_xnvme_delete', help='Delete a xNVMe bdev')
488    p.add_argument('name', help='xNVMe bdev name')
489    p.set_defaults(func=bdev_xnvme_delete)
490
491    def bdev_nvme_set_options(args):
492        rpc.bdev.bdev_nvme_set_options(args.client,
493                                       action_on_timeout=args.action_on_timeout,
494                                       timeout_us=args.timeout_us,
495                                       timeout_admin_us=args.timeout_admin_us,
496                                       keep_alive_timeout_ms=args.keep_alive_timeout_ms,
497                                       retry_count=args.retry_count,
498                                       arbitration_burst=args.arbitration_burst,
499                                       low_priority_weight=args.low_priority_weight,
500                                       medium_priority_weight=args.medium_priority_weight,
501                                       high_priority_weight=args.high_priority_weight,
502                                       nvme_adminq_poll_period_us=args.nvme_adminq_poll_period_us,
503                                       nvme_ioq_poll_period_us=args.nvme_ioq_poll_period_us,
504                                       io_queue_requests=args.io_queue_requests,
505                                       delay_cmd_submit=args.delay_cmd_submit,
506                                       transport_retry_count=args.transport_retry_count,
507                                       bdev_retry_count=args.bdev_retry_count,
508                                       transport_ack_timeout=args.transport_ack_timeout,
509                                       ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
510                                       reconnect_delay_sec=args.reconnect_delay_sec,
511                                       fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec,
512                                       disable_auto_failback=args.disable_auto_failback)
513
514    p = subparsers.add_parser('bdev_nvme_set_options',
515                              help='Set options for the bdev nvme type. This is startup command.')
516    p.add_argument('-a', '--action-on-timeout',
517                   help="Action to take on command time out. Valid values are: none, reset, abort")
518    p.add_argument('-t', '--timeout-us',
519                   help="Timeout for each command, in microseconds. If 0, don't track timeouts.", type=int)
520    p.add_argument('--timeout-admin-us',
521                   help="Timeout for each admin command, in microseconds. If 0, treat same as io timeouts.", type=int)
522    p.add_argument('-k', '--keep-alive-timeout-ms',
523                   help="Keep alive timeout period in millisecond. If 0, disable keep-alive.", type=int)
524    p.add_argument('-n', '--retry-count',
525                   help='the number of attempts per I/O when an I/O fails. (deprecated, please use --transport-retry-count.)', type=int)
526    p.add_argument('--arbitration-burst',
527                   help='the value is expressed as a power of two', type=int)
528    p.add_argument('--low-priority-weight',
529                   help='the maximum number of commands that the controller may launch at one time from a low priority queue', type=int)
530    p.add_argument('--medium-priority-weight',
531                   help='the maximum number of commands that the controller may launch at one time from a medium priority queue', type=int)
532    p.add_argument('--high-priority-weight',
533                   help='the maximum number of commands that the controller may launch at one time from a high priority queue', type=int)
534    p.add_argument('-p', '--nvme-adminq-poll-period-us',
535                   help='How often the admin queue is polled for asynchronous events', type=int)
536    p.add_argument('-i', '--nvme-ioq-poll-period-us',
537                   help='How often to poll I/O queues for completions', type=int)
538    p.add_argument('-s', '--io-queue-requests',
539                   help='The number of requests allocated for each NVMe I/O queue. Default: 512', type=int)
540    p.add_argument('-d', '--disable-delay-cmd-submit',
541                   help='Disable delaying NVMe command submission, i.e. no batching of multiple commands',
542                   action='store_false', dest='delay_cmd_submit')
543    p.add_argument('-c', '--transport-retry-count',
544                   help='the number of attempts per I/O in the transport layer when an I/O fails.', type=int)
545    p.add_argument('-r', '--bdev-retry-count',
546                   help='the number of attempts per I/O in the bdev layer when an I/O fails. -1 means infinite retries.', type=int)
547    p.add_argument('-e', '--transport-ack-timeout',
548                   help="""Time to wait ack until packet retransmission for RDMA or until closes connection for TCP.
549                   Range 0-31 where 0 is driver-specific default value.""", type=int)
550    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
551                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
552                   -1 means infinite reconnect retries. 0 means no reconnect retry.
553                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
554                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
555                   reconnect_delay_sec.
556                   This can be overridden by bdev_nvme_attach_controller.""",
557                   type=int)
558    p.add_argument('-o', '--reconnect-delay-sec',
559                   help="""Time to delay a reconnect retry.
560                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
561                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
562                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
563                   less than ctrlr_loss_timeout_sec.
564                   This can be overridden by bdev_nvme_attach_controller.""",
565                   type=int)
566    p.add_argument('-u', '--fast-io-fail-timeout-sec',
567                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
568                   0 means no such timeout.
569                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
570                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.
571                   This can be overridden by bdev_nvme_attach_controller.""",
572                   type=int)
573    p.add_argument('-f', '--disable-auto-failback',
574                   help="""Disable automatic failback. bdev_nvme_set_preferred_path can be used to do manual failback.
575                   By default, immediately failback to the preferred I/O path if it restored.""",
576                   action='store_true')
577
578    p.set_defaults(func=bdev_nvme_set_options)
579
580    def bdev_nvme_set_hotplug(args):
581        rpc.bdev.bdev_nvme_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
582
583    p = subparsers.add_parser('bdev_nvme_set_hotplug', help='Set hotplug options for bdev nvme type.')
584    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
585    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
586    p.add_argument('-r', '--period-us',
587                   help='How often the hotplug is processed for insert and remove events', type=int)
588    p.set_defaults(func=bdev_nvme_set_hotplug)
589
590    def bdev_nvme_attach_controller(args):
591        print_array(rpc.bdev.bdev_nvme_attach_controller(args.client,
592                                                         name=args.name,
593                                                         trtype=args.trtype,
594                                                         traddr=args.traddr,
595                                                         adrfam=args.adrfam,
596                                                         trsvcid=args.trsvcid,
597                                                         priority=args.priority,
598                                                         subnqn=args.subnqn,
599                                                         hostnqn=args.hostnqn,
600                                                         hostaddr=args.hostaddr,
601                                                         hostsvcid=args.hostsvcid,
602                                                         prchk_reftag=args.prchk_reftag,
603                                                         prchk_guard=args.prchk_guard,
604                                                         hdgst=args.hdgst,
605                                                         ddgst=args.ddgst,
606                                                         fabrics_timeout=args.fabrics_timeout,
607                                                         multipath=args.multipath,
608                                                         num_io_queues=args.num_io_queues,
609                                                         ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
610                                                         reconnect_delay_sec=args.reconnect_delay_sec,
611                                                         fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec))
612
613    p = subparsers.add_parser('bdev_nvme_attach_controller', help='Add bdevs with nvme backend')
614    p.add_argument('-b', '--name', help="Name of the NVMe controller, prefix for each bdev name", required=True)
615    p.add_argument('-t', '--trtype',
616                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
617    p.add_argument('-a', '--traddr',
618                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
619    p.add_argument('-f', '--adrfam',
620                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
621    p.add_argument('-s', '--trsvcid',
622                   help='NVMe-oF target trsvcid: e.g., a port number')
623    p.add_argument('-p', '--priority',
624                   help='NVMe-oF connection priority: e.g., a priority number')
625    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
626    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
627    p.add_argument('-i', '--hostaddr',
628                   help='NVMe-oF host address: e.g., an ip address')
629    p.add_argument('-c', '--hostsvcid',
630                   help='NVMe-oF host svcid: e.g., a port number')
631    p.add_argument('-r', '--prchk-reftag',
632                   help='Enable checking of PI reference tag for I/O processing.', action='store_true')
633    p.add_argument('-g', '--prchk-guard',
634                   help='Enable checking of PI guard for I/O processing.', action='store_true')
635    p.add_argument('-e', '--hdgst',
636                   help='Enable TCP header digest.', action='store_true')
637    p.add_argument('-d', '--ddgst',
638                   help='Enable TCP data digest.', action='store_true')
639    p.add_argument('--fabrics-timeout', type=int, help='Fabrics connect timeout in microseconds')
640    p.add_argument('-x', '--multipath', help='Set multipath behavior (disable, failover, multipath)')
641    p.add_argument('--num-io-queues', type=int, help='Set the number of IO queues to request during initialization.')
642    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
643                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
644                   -1 means infinite reconnect retries. 0 means no reconnect retry.
645                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
646                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
647                   reconnect_delay_sec.""",
648                   type=int)
649    p.add_argument('-o', '--reconnect-delay-sec',
650                   help="""Time to delay a reconnect retry.
651                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
652                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
653                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
654                   less than ctrlr_loss_timeout_sec.""",
655                   type=int)
656    p.add_argument('-u', '--fast-io-fail-timeout-sec',
657                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
658                   0 means no such timeout.
659                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
660                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
661                   type=int)
662    p.set_defaults(func=bdev_nvme_attach_controller)
663
664    def bdev_nvme_get_controllers(args):
665        print_dict(rpc.nvme.bdev_nvme_get_controllers(args.client,
666                                                      name=args.name))
667
668    p = subparsers.add_parser(
669        'bdev_nvme_get_controllers', help='Display current NVMe controllers list or required NVMe controller')
670    p.add_argument('-n', '--name', help="Name of the NVMe controller. Example: Nvme0", required=False)
671    p.set_defaults(func=bdev_nvme_get_controllers)
672
673    def bdev_nvme_detach_controller(args):
674        rpc.bdev.bdev_nvme_detach_controller(args.client,
675                                             name=args.name,
676                                             trtype=args.trtype,
677                                             traddr=args.traddr,
678                                             adrfam=args.adrfam,
679                                             trsvcid=args.trsvcid,
680                                             subnqn=args.subnqn,
681                                             hostaddr=args.hostaddr,
682                                             hostsvcid=args.hostsvcid)
683
684    p = subparsers.add_parser('bdev_nvme_detach_controller',
685                              help='Detach an NVMe controller and delete any associated bdevs')
686    p.add_argument('name', help="Name of the controller")
687    p.add_argument('-t', '--trtype',
688                   help='NVMe-oF target trtype: e.g., rdma, pcie')
689    p.add_argument('-a', '--traddr',
690                   help='NVMe-oF target address: e.g., an ip address or BDF')
691    p.add_argument('-f', '--adrfam',
692                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
693    p.add_argument('-s', '--trsvcid',
694                   help='NVMe-oF target trsvcid: e.g., a port number')
695    p.add_argument('-n', '--subnqn', help='NVMe-oF target subnqn')
696    p.add_argument('-i', '--hostaddr',
697                   help='NVMe-oF host address: e.g., an ip address')
698    p.add_argument('-c', '--hostsvcid',
699                   help='NVMe-oF host svcid: e.g., a port number')
700    p.set_defaults(func=bdev_nvme_detach_controller)
701
702    def bdev_nvme_reset_controller(args):
703        rpc.bdev.bdev_nvme_reset_controller(args.client, name=args.name)
704
705    p = subparsers.add_parser('bdev_nvme_reset_controller',
706                              help='Reset an NVMe controller')
707    p.add_argument('name', help="Name of the NVMe controller")
708    p.set_defaults(func=bdev_nvme_reset_controller)
709
710    def bdev_nvme_start_discovery(args):
711        rpc.bdev.bdev_nvme_start_discovery(args.client,
712                                           name=args.name,
713                                           trtype=args.trtype,
714                                           traddr=args.traddr,
715                                           adrfam=args.adrfam,
716                                           trsvcid=args.trsvcid,
717                                           hostnqn=args.hostnqn,
718                                           wait_for_attach=args.wait_for_attach,
719                                           attach_timeout_ms=args.attach_timeout_ms,
720                                           ctrlr_loss_timeout_sec=args.ctrlr_loss_timeout_sec,
721                                           reconnect_delay_sec=args.reconnect_delay_sec,
722                                           fast_io_fail_timeout_sec=args.fast_io_fail_timeout_sec)
723
724    p = subparsers.add_parser('bdev_nvme_start_discovery', help='Start automatic discovery')
725    p.add_argument('-b', '--name', help="Name of the NVMe controller prefix for each bdev name", required=True)
726    p.add_argument('-t', '--trtype',
727                   help='NVMe-oF target trtype: e.g., rdma, pcie', required=True)
728    p.add_argument('-a', '--traddr',
729                   help='NVMe-oF target address: e.g., an ip address or BDF', required=True)
730    p.add_argument('-f', '--adrfam',
731                   help='NVMe-oF target adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
732    p.add_argument('-s', '--trsvcid',
733                   help='NVMe-oF target trsvcid: e.g., a port number')
734    p.add_argument('-q', '--hostnqn', help='NVMe-oF host subnqn')
735    p.add_argument('-w', '--wait-for-attach', action='store_true',
736                   help='Do not complete RPC until all discovered NVM subsystems are attached')
737    p.add_argument('-T', '--attach-timeout-ms', type=int, required=False,
738                   help="""Time to wait until the discovery and all discovered NVM subsystems
739                        are attached (default: 0, meaning wait indefinitely).  Automatically
740                        selects the --wait-for-attach option.""")
741    p.add_argument('-l', '--ctrlr-loss-timeout-sec',
742                   help="""Time to wait until ctrlr is reconnected before deleting ctrlr.
743                   -1 means infinite reconnect retries. 0 means no reconnect retry.
744                   If reconnect_delay_sec is zero, ctrlr_loss_timeout_sec has to be zero.
745                   If reconnect_delay_sec is non-zero, ctrlr_loss_timeout_sec has to be -1 or not less than
746                   reconnect_delay_sec.""",
747                   type=int)
748    p.add_argument('-o', '--reconnect-delay-sec',
749                   help="""Time to delay a reconnect retry.
750                   If ctrlr_loss_timeout_sec is zero, reconnect_delay_sec has to be zero.
751                   If ctrlr_loss_timeout_sec is -1, reconnect_delay_sec has to be non-zero.
752                   If ctrlr_loss_timeout_sec is not -1 or zero, reconnect_delay_sec has to be non-zero and
753                   less than ctrlr_loss_timeout_sec.""",
754                   type=int)
755    p.add_argument('-u', '--fast-io-fail-timeout-sec',
756                   help="""Time to wait until ctrlr is reconnected before failing I/O to ctrlr.
757                   0 means no such timeout.
758                   If fast_io_fail_timeout_sec is not zero, it has to be not less than reconnect_delay_sec and
759                   less than ctrlr_loss_timeout_sec if ctrlr_loss_timeout_sec is not -1.""",
760                   type=int)
761    p.set_defaults(func=bdev_nvme_start_discovery)
762
763    def bdev_nvme_stop_discovery(args):
764        rpc.bdev.bdev_nvme_stop_discovery(args.client, name=args.name)
765
766    p = subparsers.add_parser('bdev_nvme_stop_discovery', help='Stop automatic discovery')
767    p.add_argument('-b', '--name', help="Name of the service to stop", required=True)
768    p.set_defaults(func=bdev_nvme_stop_discovery)
769
770    def bdev_nvme_get_discovery_info(args):
771        print_dict(rpc.bdev.bdev_nvme_get_discovery_info(args.client))
772
773    p = subparsers.add_parser('bdev_nvme_get_discovery_info', help='Get information about the automatic discovery')
774    p.set_defaults(func=bdev_nvme_get_discovery_info)
775
776    def bdev_nvme_get_io_paths(args):
777        print_dict(rpc.bdev.bdev_nvme_get_io_paths(args.client, name=args.name))
778
779    p = subparsers.add_parser('bdev_nvme_get_io_paths', help='Display active I/O paths')
780    p.add_argument('-n', '--name', help="Name of the NVMe bdev", required=False)
781    p.set_defaults(func=bdev_nvme_get_io_paths)
782
783    def bdev_nvme_set_preferred_path(args):
784        rpc.bdev.bdev_nvme_set_preferred_path(args.client,
785                                              name=args.name,
786                                              cntlid=args.cntlid)
787
788    p = subparsers.add_parser('bdev_nvme_set_preferred_path',
789                              help="""Set the preferred I/O path for an NVMe bdev when in multipath mode""")
790    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
791    p.add_argument('-c', '--cntlid', help='NVMe-oF controller ID', type=int, required=True)
792    p.set_defaults(func=bdev_nvme_set_preferred_path)
793
794    def bdev_nvme_set_multipath_policy(args):
795        rpc.bdev.bdev_nvme_set_multipath_policy(args.client,
796                                                name=args.name,
797                                                policy=args.policy)
798
799    p = subparsers.add_parser('bdev_nvme_set_multipath_policy',
800                              help="""Set multipath policy of the NVMe bdev""")
801    p.add_argument('-b', '--name', help='Name of the NVMe bdev', required=True)
802    p.add_argument('-p', '--policy', help='Multipath policy (active_passive or active_active)', required=True)
803    p.set_defaults(func=bdev_nvme_set_multipath_policy)
804
805    def bdev_nvme_cuse_register(args):
806        rpc.bdev.bdev_nvme_cuse_register(args.client,
807                                         name=args.name)
808
809    p = subparsers.add_parser('bdev_nvme_cuse_register',
810                              help='Register CUSE devices on NVMe controller')
811    p.add_argument('-n', '--name',
812                   help='Name of the NVMe controller. Example: Nvme0', required=True)
813    p.set_defaults(func=bdev_nvme_cuse_register)
814
815    def bdev_nvme_cuse_unregister(args):
816        rpc.bdev.bdev_nvme_cuse_unregister(args.client,
817                                           name=args.name)
818
819    p = subparsers.add_parser('bdev_nvme_cuse_unregister',
820                              help='Unregister CUSE devices on NVMe controller')
821    p.add_argument('-n', '--name',
822                   help='Name of the NVMe controller. Example: Nvme0', required=True)
823    p.set_defaults(func=bdev_nvme_cuse_unregister)
824
825    def bdev_zone_block_create(args):
826        print_json(rpc.bdev.bdev_zone_block_create(args.client,
827                                                   name=args.name,
828                                                   base_bdev=args.base_bdev,
829                                                   zone_capacity=args.zone_capacity,
830                                                   optimal_open_zones=args.optimal_open_zones))
831
832    p = subparsers.add_parser('bdev_zone_block_create',
833                              help='Create virtual zone namespace device with block device backend')
834    p.add_argument('-b', '--name', help="Name of the zone device", required=True)
835    p.add_argument('-n', '--base-bdev', help='Name of underlying, non-zoned bdev', required=True)
836    p.add_argument('-z', '--zone-capacity', help='Surfaced zone capacity in blocks', type=int, required=True)
837    p.add_argument('-o', '--optimal-open-zones', help='Number of zones required to reach optimal write speed', type=int, required=True)
838    p.set_defaults(func=bdev_zone_block_create)
839
840    def bdev_zone_block_delete(args):
841        rpc.bdev.bdev_zone_block_delete(args.client,
842                                        name=args.name)
843
844    p = subparsers.add_parser('bdev_zone_block_delete', help='Delete a virtual zone namespace device')
845    p.add_argument('name', help='Virtual zone bdev name')
846    p.set_defaults(func=bdev_zone_block_delete)
847
848    def bdev_rbd_register_cluster(args):
849        config_param = None
850        if args.config_param:
851            config_param = {}
852            for entry in args.config_param:
853                parts = entry.split('=', 1)
854                if len(parts) != 2:
855                    raise Exception('--config %s not in key=value form' % entry)
856                config_param[parts[0]] = parts[1]
857        print_json(rpc.bdev.bdev_rbd_register_cluster(args.client,
858                                                      name=args.name,
859                                                      user=args.user,
860                                                      config_param=config_param,
861                                                      config_file=args.config_file,
862                                                      key_file=args.key_file))
863
864    p = subparsers.add_parser('bdev_rbd_register_cluster',
865                              help='Add a Rados cluster with ceph rbd backend')
866    p.add_argument('name', help="Name of the Rados cluster only known to rbd bdev")
867    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
868    p.add_argument('--config-param', action='append', metavar='key=value',
869                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
870    p.add_argument('--config-file', help="The file path of the Rados configuration file", required=False)
871    p.add_argument('--key-file', help="The file path of the Rados keyring file", required=False)
872    p.set_defaults(func=bdev_rbd_register_cluster)
873
874    def bdev_rbd_unregister_cluster(args):
875        rpc.bdev.bdev_rbd_unregister_cluster(args.client, name=args.name)
876
877    p = subparsers.add_parser('bdev_rbd_unregister_cluster',
878                              help='Unregister a Rados cluster object')
879    p.add_argument('name', help='Name of the Rados Cluster only known to rbd bdev')
880    p.set_defaults(func=bdev_rbd_unregister_cluster)
881
882    def bdev_rbd_get_clusters_info(args):
883        print_json(rpc.bdev.bdev_rbd_get_clusters_info(args.client, name=args.name))
884
885    p = subparsers.add_parser('bdev_rbd_get_clusters_info',
886                              help='Display registered Rados Cluster names and related info')
887    p.add_argument('-b', '--name', help="Name of the registered Rados Cluster Name. Example: Cluster1", required=False)
888    p.set_defaults(func=bdev_rbd_get_clusters_info)
889
890    def bdev_rbd_create(args):
891        config = None
892        if args.config:
893            config = {}
894            for entry in args.config:
895                parts = entry.split('=', 1)
896                if len(parts) != 2:
897                    raise Exception('--config %s not in key=value form' % entry)
898                config[parts[0]] = parts[1]
899        print_json(rpc.bdev.bdev_rbd_create(args.client,
900                                            name=args.name,
901                                            user=args.user,
902                                            config=config,
903                                            pool_name=args.pool_name,
904                                            rbd_name=args.rbd_name,
905                                            block_size=args.block_size,
906                                            cluster_name=args.cluster_name,
907                                            uuid=args.uuid))
908
909    p = subparsers.add_parser('bdev_rbd_create', help='Add a bdev with ceph rbd backend')
910    p.add_argument('-b', '--name', help="Name of the bdev", required=False)
911    p.add_argument('--user', help="Ceph user name (i.e. admin, not client.admin)", required=False)
912    p.add_argument('--config', action='append', metavar='key=value',
913                   help="adds a key=value configuration option for rados_conf_set (default: rely on config file)")
914    p.add_argument('pool_name', help='rbd pool name')
915    p.add_argument('rbd_name', help='rbd image name')
916    p.add_argument('block_size', help='rbd block size', type=int)
917    p.add_argument('-c', '--cluster-name', help="cluster name to identify the Rados cluster", required=False)
918    p.add_argument('-u', '--uuid', help="UUID of the bdev")
919    p.set_defaults(func=bdev_rbd_create)
920
921    def bdev_rbd_delete(args):
922        rpc.bdev.bdev_rbd_delete(args.client,
923                                 name=args.name)
924
925    p = subparsers.add_parser('bdev_rbd_delete', help='Delete a rbd bdev')
926    p.add_argument('name', help='rbd bdev name')
927    p.set_defaults(func=bdev_rbd_delete)
928
929    def bdev_rbd_resize(args):
930        print_json(rpc.bdev.bdev_rbd_resize(args.client,
931                                            name=args.name,
932                                            new_size=int(args.new_size)))
933
934    p = subparsers.add_parser('bdev_rbd_resize',
935                              help='Resize a rbd bdev')
936    p.add_argument('name', help='rbd bdev name')
937    p.add_argument('new_size', help='new bdev size for resize operation. The unit is MiB')
938    p.set_defaults(func=bdev_rbd_resize)
939
940    def bdev_delay_create(args):
941        print_json(rpc.bdev.bdev_delay_create(args.client,
942                                              base_bdev_name=args.base_bdev_name,
943                                              name=args.name,
944                                              avg_read_latency=args.avg_read_latency,
945                                              p99_read_latency=args.nine_nine_read_latency,
946                                              avg_write_latency=args.avg_write_latency,
947                                              p99_write_latency=args.nine_nine_write_latency))
948
949    p = subparsers.add_parser('bdev_delay_create',
950                              help='Add a delay bdev on existing bdev')
951    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
952    p.add_argument('-d', '--name', help="Name of the delay bdev", required=True)
953    p.add_argument('-r', '--avg-read-latency',
954                   help="Average latency to apply before completing read ops (in microseconds)", required=True, type=int)
955    p.add_argument('-t', '--nine-nine-read-latency',
956                   help="latency to apply to 1 in 100 read ops (in microseconds)", required=True, type=int)
957    p.add_argument('-w', '--avg-write-latency',
958                   help="Average latency to apply before completing write ops (in microseconds)", required=True, type=int)
959    p.add_argument('-n', '--nine-nine-write-latency',
960                   help="latency to apply to 1 in 100 write ops (in microseconds)", required=True, type=int)
961    p.set_defaults(func=bdev_delay_create)
962
963    def bdev_delay_delete(args):
964        rpc.bdev.bdev_delay_delete(args.client,
965                                   name=args.name)
966
967    p = subparsers.add_parser('bdev_delay_delete', help='Delete a delay bdev')
968    p.add_argument('name', help='delay bdev name')
969    p.set_defaults(func=bdev_delay_delete)
970
971    def bdev_delay_update_latency(args):
972        print_json(rpc.bdev.bdev_delay_update_latency(args.client,
973                                                      delay_bdev_name=args.delay_bdev_name,
974                                                      latency_type=args.latency_type,
975                                                      latency_us=args.latency_us))
976    p = subparsers.add_parser('bdev_delay_update_latency',
977                              help='Update one of the latency values for a given delay bdev')
978    p.add_argument('delay_bdev_name', help='The name of the given delay bdev')
979    p.add_argument('latency_type', help='one of: avg_read, avg_write, p99_read, p99_write. No other values accepted.')
980    p.add_argument('latency_us', help='new latency value in microseconds.', type=int)
981    p.set_defaults(func=bdev_delay_update_latency)
982
983    def bdev_error_create(args):
984        print_json(rpc.bdev.bdev_error_create(args.client,
985                                              base_name=args.base_name))
986
987    p = subparsers.add_parser('bdev_error_create', help='Add bdev with error injection backend')
988    p.add_argument('base_name', help='base bdev name')
989    p.set_defaults(func=bdev_error_create)
990
991    def bdev_error_delete(args):
992        rpc.bdev.bdev_error_delete(args.client,
993                                   name=args.name)
994
995    p = subparsers.add_parser('bdev_error_delete', help='Delete an error bdev')
996    p.add_argument('name', help='error bdev name')
997    p.set_defaults(func=bdev_error_delete)
998
999    def bdev_iscsi_set_options(args):
1000        rpc.bdev.bdev_iscsi_set_options(args.client,
1001                                        timeout=args.timeout)
1002
1003    p = subparsers.add_parser('bdev_iscsi_set_options', help='Set options for the bdev iscsi type.')
1004    p.add_argument('-t', '--timeout', help="Timeout for command, in seconds, if 0, don't track timeout.", type=int)
1005    p.set_defaults(func=bdev_iscsi_set_options)
1006
1007    def bdev_iscsi_create(args):
1008        print_json(rpc.bdev.bdev_iscsi_create(args.client,
1009                                              name=args.name,
1010                                              url=args.url,
1011                                              initiator_iqn=args.initiator_iqn))
1012
1013    p = subparsers.add_parser('bdev_iscsi_create',
1014                              help='Add bdev with iSCSI initiator backend')
1015    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
1016    p.add_argument('-i', '--initiator-iqn', help="Initiator IQN", required=True)
1017    p.add_argument('--url', help="iSCSI Lun URL", required=True)
1018    p.set_defaults(func=bdev_iscsi_create)
1019
1020    def bdev_iscsi_delete(args):
1021        rpc.bdev.bdev_iscsi_delete(args.client,
1022                                   name=args.name)
1023
1024    p = subparsers.add_parser('bdev_iscsi_delete', help='Delete an iSCSI bdev')
1025    p.add_argument('name', help='iSCSI bdev name')
1026    p.set_defaults(func=bdev_iscsi_delete)
1027
1028    def bdev_pmem_create(args):
1029        print_json(rpc.bdev.bdev_pmem_create(args.client,
1030                                             pmem_file=args.pmem_file,
1031                                             name=args.name))
1032
1033    p = subparsers.add_parser('bdev_pmem_create', help='Add a bdev with pmem backend')
1034    p.add_argument('pmem_file', help='Path to pmemblk pool file')
1035    p.add_argument('-n', '--name', help='Block device name', required=True)
1036    p.set_defaults(func=bdev_pmem_create)
1037
1038    def bdev_pmem_delete(args):
1039        rpc.bdev.bdev_pmem_delete(args.client,
1040                                  name=args.name)
1041
1042    p = subparsers.add_parser('bdev_pmem_delete', help='Delete a pmem bdev')
1043    p.add_argument('name', help='pmem bdev name')
1044    p.set_defaults(func=bdev_pmem_delete)
1045
1046    def bdev_passthru_create(args):
1047        print_json(rpc.bdev.bdev_passthru_create(args.client,
1048                                                 base_bdev_name=args.base_bdev_name,
1049                                                 name=args.name))
1050
1051    p = subparsers.add_parser('bdev_passthru_create', help='Add a pass through bdev on existing bdev')
1052    p.add_argument('-b', '--base-bdev-name', help="Name of the existing bdev", required=True)
1053    p.add_argument('-p', '--name', help="Name of the pass through bdev", required=True)
1054    p.set_defaults(func=bdev_passthru_create)
1055
1056    def bdev_passthru_delete(args):
1057        rpc.bdev.bdev_passthru_delete(args.client,
1058                                      name=args.name)
1059
1060    p = subparsers.add_parser('bdev_passthru_delete', help='Delete a pass through bdev')
1061    p.add_argument('name', help='pass through bdev name')
1062    p.set_defaults(func=bdev_passthru_delete)
1063
1064    def bdev_get_bdevs(args):
1065        print_dict(rpc.bdev.bdev_get_bdevs(args.client,
1066                                           name=args.name, timeout=args.timeout_ms))
1067
1068    p = subparsers.add_parser('bdev_get_bdevs',
1069                              help='Display current blockdev list or required blockdev')
1070    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1071    p.add_argument('-t', '--timeout-ms', help="""Time in ms to wait for the bdev to appear (only used
1072    with the -b|--name option). The default timeout is 0, meaning the RPC returns immediately
1073    whether the bdev exists or not.""",
1074                   type=int, required=False)
1075    p.set_defaults(func=bdev_get_bdevs)
1076
1077    def bdev_get_iostat(args):
1078        print_dict(rpc.bdev.bdev_get_iostat(args.client,
1079                                            name=args.name))
1080
1081    p = subparsers.add_parser('bdev_get_iostat',
1082                              help='Display current I/O statistics of all the blockdevs or required blockdev.')
1083    p.add_argument('-b', '--name', help="Name of the Blockdev. Example: Nvme0n1", required=False)
1084    p.set_defaults(func=bdev_get_iostat)
1085
1086    def bdev_enable_histogram(args):
1087        rpc.bdev.bdev_enable_histogram(args.client, name=args.name, enable=args.enable)
1088
1089    p = subparsers.add_parser('bdev_enable_histogram',
1090                              help='Enable or disable histogram for specified bdev')
1091    p.add_argument('-e', '--enable', default=True, dest='enable', action='store_true', help='Enable histograms on specified device')
1092    p.add_argument('-d', '--disable', dest='enable', action='store_false', help='Disable histograms on specified device')
1093    p.add_argument('name', help='bdev name')
1094    p.set_defaults(func=bdev_enable_histogram)
1095
1096    def bdev_get_histogram(args):
1097        print_dict(rpc.bdev.bdev_get_histogram(args.client, name=args.name))
1098
1099    p = subparsers.add_parser('bdev_get_histogram',
1100                              help='Get histogram for specified bdev')
1101    p.add_argument('name', help='bdev name')
1102    p.set_defaults(func=bdev_get_histogram)
1103
1104    def bdev_set_qd_sampling_period(args):
1105        rpc.bdev.bdev_set_qd_sampling_period(args.client,
1106                                             name=args.name,
1107                                             period=args.period)
1108
1109    p = subparsers.add_parser('bdev_set_qd_sampling_period',
1110                              help="Enable or disable tracking of a bdev's queue depth.")
1111    p.add_argument('name', help='Blockdev name. Example: Malloc0')
1112    p.add_argument('period', help='Period with which to poll the block device queue depth in microseconds.'
1113                   ' If set to 0, polling will be disabled.',
1114                   type=int)
1115    p.set_defaults(func=bdev_set_qd_sampling_period)
1116
1117    def bdev_set_qos_limit(args):
1118        rpc.bdev.bdev_set_qos_limit(args.client,
1119                                    name=args.name,
1120                                    rw_ios_per_sec=args.rw_ios_per_sec,
1121                                    rw_mbytes_per_sec=args.rw_mbytes_per_sec,
1122                                    r_mbytes_per_sec=args.r_mbytes_per_sec,
1123                                    w_mbytes_per_sec=args.w_mbytes_per_sec)
1124
1125    p = subparsers.add_parser('bdev_set_qos_limit',
1126                              help='Set QoS rate limit on a blockdev')
1127    p.add_argument('name', help='Blockdev name to set QoS. Example: Malloc0')
1128    p.add_argument('--rw-ios-per-sec',
1129                   help='R/W IOs per second limit (>=1000, example: 20000). 0 means unlimited.',
1130                   type=int, required=False)
1131    p.add_argument('--rw-mbytes-per-sec',
1132                   help="R/W megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1133                   type=int, required=False)
1134    p.add_argument('--r-mbytes-per-sec',
1135                   help="Read megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1136                   type=int, required=False)
1137    p.add_argument('--w-mbytes-per-sec',
1138                   help="Write megabytes per second limit (>=10, example: 100). 0 means unlimited.",
1139                   type=int, required=False)
1140    p.set_defaults(func=bdev_set_qos_limit)
1141
1142    def bdev_error_inject_error(args):
1143        rpc.bdev.bdev_error_inject_error(args.client,
1144                                         name=args.name,
1145                                         io_type=args.io_type,
1146                                         error_type=args.error_type,
1147                                         num=args.num)
1148
1149    p = subparsers.add_parser('bdev_error_inject_error', help='bdev inject error')
1150    p.add_argument('name', help="""the name of the error injection bdev""")
1151    p.add_argument('io_type', help="""io_type: 'clear' 'read' 'write' 'unmap' 'flush' 'all'""")
1152    p.add_argument('error_type', help="""error_type: 'failure' 'pending'""")
1153    p.add_argument(
1154        '-n', '--num', help='the number of commands you want to fail', type=int)
1155    p.set_defaults(func=bdev_error_inject_error)
1156
1157    def bdev_nvme_apply_firmware(args):
1158        print_dict(rpc.bdev.bdev_nvme_apply_firmware(args.client,
1159                                                     bdev_name=args.bdev_name,
1160                                                     filename=args.filename))
1161
1162    p = subparsers.add_parser('bdev_nvme_apply_firmware', help='Download and commit firmware to NVMe device')
1163    p.add_argument('filename', help='filename of the firmware to download')
1164    p.add_argument('bdev_name', help='name of the NVMe device')
1165    p.set_defaults(func=bdev_nvme_apply_firmware)
1166
1167    def bdev_nvme_get_transport_statistics(args):
1168        print_dict(rpc.bdev.bdev_nvme_get_transport_statistics(args.client))
1169
1170    p = subparsers.add_parser('bdev_nvme_get_transport_statistics',
1171                              help='Get bdev_nvme poll group transport statistics')
1172    p.set_defaults(func=bdev_nvme_get_transport_statistics)
1173
1174    def bdev_nvme_get_controller_health_info(args):
1175        print_dict(rpc.bdev.bdev_nvme_get_controller_health_info(args.client,
1176                                                                 name=args.name))
1177
1178    p = subparsers.add_parser('bdev_nvme_get_controller_health_info',
1179                              help='Display health log of the required NVMe bdev controller.')
1180    p.add_argument('-c', '--name', help="Name of the NVMe bdev controller. Example: Nvme0", required=True)
1181    p.set_defaults(func=bdev_nvme_get_controller_health_info)
1182
1183    # iSCSI
1184    def iscsi_set_options(args):
1185        rpc.iscsi.iscsi_set_options(
1186            args.client,
1187            auth_file=args.auth_file,
1188            node_base=args.node_base,
1189            nop_timeout=args.nop_timeout,
1190            nop_in_interval=args.nop_in_interval,
1191            disable_chap=args.disable_chap,
1192            require_chap=args.require_chap,
1193            mutual_chap=args.mutual_chap,
1194            chap_group=args.chap_group,
1195            max_sessions=args.max_sessions,
1196            max_queue_depth=args.max_queue_depth,
1197            max_connections_per_session=args.max_connections_per_session,
1198            default_time2wait=args.default_time2wait,
1199            default_time2retain=args.default_time2retain,
1200            first_burst_length=args.first_burst_length,
1201            immediate_data=args.immediate_data,
1202            error_recovery_level=args.error_recovery_level,
1203            allow_duplicated_isid=args.allow_duplicated_isid,
1204            max_large_datain_per_connection=args.max_large_datain_per_connection,
1205            max_r2t_per_connection=args.max_r2t_per_connection,
1206            pdu_pool_size=args.pdu_pool_size,
1207            immediate_data_pool_size=args.immediate_data_pool_size,
1208            data_out_pool_size=args.data_out_pool_size)
1209
1210    p = subparsers.add_parser('iscsi_set_options',
1211                              help="""Set options of iSCSI subsystem""")
1212    p.add_argument('-f', '--auth-file', help='Path to CHAP shared secret file')
1213    p.add_argument('-b', '--node-base', help='Prefix of the name of iSCSI target node')
1214    p.add_argument('-o', '--nop-timeout', help='Timeout in seconds to nop-in request to the initiator', type=int)
1215    p.add_argument('-n', '--nop-in-interval', help='Time interval in secs between nop-in requests by the target', type=int)
1216    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1217    *** Mutually exclusive with --require-chap""", action='store_true')
1218    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1219    *** Mutually exclusive with --disable-chap""", action='store_true')
1220    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1221    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1222    *** Authentication group must be precreated ***""", type=int)
1223    p.add_argument('-a', '--max-sessions', help='Maximum number of sessions in the host.', type=int)
1224    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/Os per queue.', type=int)
1225    p.add_argument('-c', '--max-connections-per-session', help='Negotiated parameter, MaxConnections.', type=int)
1226    p.add_argument('-w', '--default-time2wait', help='Negotiated parameter, DefaultTime2Wait.', type=int)
1227    p.add_argument('-v', '--default-time2retain', help='Negotiated parameter, DefaultTime2Retain.', type=int)
1228    p.add_argument('-s', '--first-burst-length', help='Negotiated parameter, FirstBurstLength.', type=int)
1229    p.add_argument('-i', '--immediate-data', help='Negotiated parameter, ImmediateData.', action='store_true')
1230    p.add_argument('-l', '--error-recovery-level', help='Negotiated parameter, ErrorRecoveryLevel', type=int)
1231    p.add_argument('-p', '--allow-duplicated-isid', help='Allow duplicated initiator session ID.', action='store_true')
1232    p.add_argument('-x', '--max-large-datain-per-connection', help='Max number of outstanding split read I/Os per connection', type=int)
1233    p.add_argument('-k', '--max-r2t-per-connection', help='Max number of outstanding R2Ts per connection', type=int)
1234    p.add_argument('-u', '--pdu-pool-size', help='Number of PDUs in the pool', type=int)
1235    p.add_argument('-j', '--immediate-data-pool-size', help='Number of immediate data buffers in the pool', type=int)
1236    p.add_argument('-z', '--data-out-pool-size', help='Number of data out buffers in the pool', type=int)
1237    p.set_defaults(func=iscsi_set_options)
1238
1239    def iscsi_set_discovery_auth(args):
1240        rpc.iscsi.iscsi_set_discovery_auth(
1241            args.client,
1242            disable_chap=args.disable_chap,
1243            require_chap=args.require_chap,
1244            mutual_chap=args.mutual_chap,
1245            chap_group=args.chap_group)
1246
1247    p = subparsers.add_parser('iscsi_set_discovery_auth',
1248                              help="""Set CHAP authentication for discovery session.""")
1249    p.add_argument('-d', '--disable-chap', help="""CHAP for discovery session should be disabled.
1250    *** Mutually exclusive with --require-chap""", action='store_true')
1251    p.add_argument('-r', '--require-chap', help="""CHAP for discovery session should be required.
1252    *** Mutually exclusive with --disable-chap""", action='store_true')
1253    p.add_argument('-m', '--mutual-chap', help='CHAP for discovery session should be mutual', action='store_true')
1254    p.add_argument('-g', '--chap-group', help="""Authentication group ID for discovery session.
1255    *** Authentication group must be precreated ***""", type=int)
1256    p.set_defaults(func=iscsi_set_discovery_auth)
1257
1258    def iscsi_create_auth_group(args):
1259        secrets = None
1260        if args.secrets:
1261            secrets = [dict(u.split(":") for u in a.split(" ")) for a in args.secrets.split(",")]
1262
1263        rpc.iscsi.iscsi_create_auth_group(args.client, tag=args.tag, secrets=secrets)
1264
1265    p = subparsers.add_parser('iscsi_create_auth_group',
1266                              help='Create authentication group for CHAP authentication.')
1267    p.add_argument('tag', help='Authentication group tag (unique, integer > 0).', type=int)
1268    p.add_argument('-c', '--secrets', help="""Comma-separated list of CHAP secrets
1269<user:user_name secret:chap_secret muser:mutual_user_name msecret:mutual_chap_secret> enclosed in quotes.
1270Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 msecret:ms2'""", required=False)
1271    p.set_defaults(func=iscsi_create_auth_group)
1272
1273    def iscsi_delete_auth_group(args):
1274        rpc.iscsi.iscsi_delete_auth_group(args.client, tag=args.tag)
1275
1276    p = subparsers.add_parser('iscsi_delete_auth_group',
1277                              help='Delete an authentication group.')
1278    p.add_argument('tag', help='Authentication group tag', type=int)
1279    p.set_defaults(func=iscsi_delete_auth_group)
1280
1281    def iscsi_auth_group_add_secret(args):
1282        rpc.iscsi.iscsi_auth_group_add_secret(
1283            args.client,
1284            tag=args.tag,
1285            user=args.user,
1286            secret=args.secret,
1287            muser=args.muser,
1288            msecret=args.msecret)
1289
1290    p = subparsers.add_parser('iscsi_auth_group_add_secret',
1291                              help='Add a secret to an authentication group.')
1292    p.add_argument('tag', help='Authentication group tag', type=int)
1293    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1294    p.add_argument('-s', '--secret', help='Secret for one-way CHAP authentication', required=True)
1295    p.add_argument('-m', '--muser', help='User name for mutual CHAP authentication')
1296    p.add_argument('-r', '--msecret', help='Secret for mutual CHAP authentication')
1297    p.set_defaults(func=iscsi_auth_group_add_secret)
1298
1299    def iscsi_auth_group_remove_secret(args):
1300        rpc.iscsi.iscsi_auth_group_remove_secret(args.client, tag=args.tag, user=args.user)
1301
1302    p = subparsers.add_parser('iscsi_auth_group_remove_secret',
1303                              help='Remove a secret from an authentication group.')
1304    p.add_argument('tag', help='Authentication group tag', type=int)
1305    p.add_argument('-u', '--user', help='User name for one-way CHAP authentication', required=True)
1306    p.set_defaults(func=iscsi_auth_group_remove_secret)
1307
1308    def iscsi_get_auth_groups(args):
1309        print_dict(rpc.iscsi.iscsi_get_auth_groups(args.client))
1310
1311    p = subparsers.add_parser('iscsi_get_auth_groups',
1312                              help='Display current authentication group configuration')
1313    p.set_defaults(func=iscsi_get_auth_groups)
1314
1315    def iscsi_get_portal_groups(args):
1316        print_dict(rpc.iscsi.iscsi_get_portal_groups(args.client))
1317
1318    p = subparsers.add_parser('iscsi_get_portal_groups', help='Display current portal group configuration')
1319    p.set_defaults(func=iscsi_get_portal_groups)
1320
1321    def iscsi_get_initiator_groups(args):
1322        print_dict(rpc.iscsi.iscsi_get_initiator_groups(args.client))
1323
1324    p = subparsers.add_parser('iscsi_get_initiator_groups',
1325                              help='Display current initiator group configuration')
1326    p.set_defaults(func=iscsi_get_initiator_groups)
1327
1328    def iscsi_get_target_nodes(args):
1329        print_dict(rpc.iscsi.iscsi_get_target_nodes(args.client))
1330
1331    p = subparsers.add_parser('iscsi_get_target_nodes', help='Display target nodes')
1332    p.set_defaults(func=iscsi_get_target_nodes)
1333
1334    def iscsi_create_target_node(args):
1335        luns = []
1336        for u in args.bdev_name_id_pairs.strip().split(" "):
1337            bdev_name, lun_id = u.split(":")
1338            luns.append({"bdev_name": bdev_name, "lun_id": int(lun_id)})
1339
1340        pg_ig_maps = []
1341        for u in args.pg_ig_mappings.strip().split(" "):
1342            pg, ig = u.split(":")
1343            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1344
1345        rpc.iscsi.iscsi_create_target_node(
1346            args.client,
1347            luns=luns,
1348            pg_ig_maps=pg_ig_maps,
1349            name=args.name,
1350            alias_name=args.alias_name,
1351            queue_depth=args.queue_depth,
1352            chap_group=args.chap_group,
1353            disable_chap=args.disable_chap,
1354            require_chap=args.require_chap,
1355            mutual_chap=args.mutual_chap,
1356            header_digest=args.header_digest,
1357            data_digest=args.data_digest)
1358
1359    p = subparsers.add_parser('iscsi_create_target_node', help='Add a target node')
1360    p.add_argument('name', help='Target node name (ASCII)')
1361    p.add_argument('alias_name', help='Target node alias name (ASCII)')
1362    p.add_argument('bdev_name_id_pairs', help="""Whitespace-separated list of <bdev name:LUN ID> pairs enclosed
1363    in quotes.  Format:  'bdev_name0:id0 bdev_name1:id1' etc
1364    Example: 'Malloc0:0 Malloc1:1 Malloc5:2'
1365    *** The bdevs must pre-exist ***
1366    *** LUN0 (id = 0) is required ***
1367    *** bdevs names cannot contain space or colon characters ***""")
1368    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1369    Whitespace separated, quoted, mapping defined with colon
1370    separated list of "tags" (int > 0)
1371    Example: '1:1 2:2 2:1'
1372    *** The Portal/Initiator Groups must be precreated ***""")
1373    p.add_argument('queue_depth', help='Desired target queue depth', type=int)
1374    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1375    *** Authentication group must be precreated ***""", type=int)
1376    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1377    *** Mutually exclusive with --require-chap ***""", action='store_true')
1378    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1379    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1380    p.add_argument(
1381        '-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.', action='store_true')
1382    p.add_argument('-H', '--header-digest',
1383                   help='Header Digest should be required for this target node.', action='store_true')
1384    p.add_argument('-D', '--data-digest',
1385                   help='Data Digest should be required for this target node.', action='store_true')
1386    p.set_defaults(func=iscsi_create_target_node)
1387
1388    def iscsi_target_node_add_lun(args):
1389        rpc.iscsi.iscsi_target_node_add_lun(
1390            args.client,
1391            name=args.name,
1392            bdev_name=args.bdev_name,
1393            lun_id=args.lun_id)
1394
1395    p = subparsers.add_parser('iscsi_target_node_add_lun',
1396                              help='Add LUN to the target node')
1397    p.add_argument('name', help='Target node name (ASCII)')
1398    p.add_argument('bdev_name', help="""bdev name enclosed in quotes.
1399    *** bdev name cannot contain space or colon characters ***""")
1400    p.add_argument('-i', dest='lun_id', help="""LUN ID (integer >= 0)
1401    *** If LUN ID is omitted or -1, the lowest free one is assigned ***""", type=int, required=False)
1402    p.set_defaults(func=iscsi_target_node_add_lun)
1403
1404    def iscsi_target_node_set_auth(args):
1405        rpc.iscsi.iscsi_target_node_set_auth(
1406            args.client,
1407            name=args.name,
1408            chap_group=args.chap_group,
1409            disable_chap=args.disable_chap,
1410            require_chap=args.require_chap,
1411            mutual_chap=args.mutual_chap)
1412
1413    p = subparsers.add_parser('iscsi_target_node_set_auth',
1414                              help='Set CHAP authentication for the target node')
1415    p.add_argument('name', help='Target node name (ASCII)')
1416    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this target node.
1417    *** Authentication group must be precreated ***""", type=int)
1418    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this target node.
1419    *** Mutually exclusive with --require-chap ***""", action='store_true')
1420    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this target node.
1421    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1422    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1423                   action='store_true')
1424    p.set_defaults(func=iscsi_target_node_set_auth)
1425
1426    def iscsi_target_node_add_pg_ig_maps(args):
1427        pg_ig_maps = []
1428        for u in args.pg_ig_mappings.strip().split(" "):
1429            pg, ig = u.split(":")
1430            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1431        rpc.iscsi.iscsi_target_node_add_pg_ig_maps(
1432            args.client,
1433            pg_ig_maps=pg_ig_maps,
1434            name=args.name)
1435
1436    p = subparsers.add_parser('iscsi_target_node_add_pg_ig_maps',
1437                              help='Add PG-IG maps to the target node')
1438    p.add_argument('name', help='Target node name (ASCII)')
1439    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1440    Whitespace separated, quoted, mapping defined with colon
1441    separated list of "tags" (int > 0)
1442    Example: '1:1 2:2 2:1'
1443    *** The Portal/Initiator Groups must be precreated ***""")
1444    p.set_defaults(func=iscsi_target_node_add_pg_ig_maps)
1445
1446    def iscsi_target_node_remove_pg_ig_maps(args):
1447        pg_ig_maps = []
1448        for u in args.pg_ig_mappings.strip().split(" "):
1449            pg, ig = u.split(":")
1450            pg_ig_maps.append({"pg_tag": int(pg), "ig_tag": int(ig)})
1451        rpc.iscsi.iscsi_target_node_remove_pg_ig_maps(
1452            args.client, pg_ig_maps=pg_ig_maps, name=args.name)
1453
1454    p = subparsers.add_parser('iscsi_target_node_remove_pg_ig_maps',
1455                              help='Delete PG-IG maps from the target node')
1456    p.add_argument('name', help='Target node name (ASCII)')
1457    p.add_argument('pg_ig_mappings', help="""List of (Portal_Group_Tag:Initiator_Group_Tag) mappings
1458    Whitespace separated, quoted, mapping defined with colon
1459    separated list of "tags" (int > 0)
1460    Example: '1:1 2:2 2:1'
1461    *** The Portal/Initiator Groups must be precreated ***""")
1462    p.set_defaults(func=iscsi_target_node_remove_pg_ig_maps)
1463
1464    def iscsi_target_node_set_redirect(args):
1465        rpc.iscsi.iscsi_target_node_set_redirect(
1466            args.client,
1467            name=args.name,
1468            pg_tag=args.pg_tag,
1469            redirect_host=args.redirect_host,
1470            redirect_port=args.redirect_port)
1471
1472    p = subparsers.add_parser('iscsi_target_node_set_redirect',
1473                              help="""Update redirect portal of the public portal group for the target node.
1474    Omit redirect host and port to clear previously set redirect settings.""")
1475    p.add_argument('name', help='Target node name (ASCII)')
1476    p.add_argument('pg_tag', help='Portal group tag (unique, integer > 0)', type=int)
1477    p.add_argument('-a', '--redirect-host', help='Numeric IP address for redirect portal', required=False)
1478    p.add_argument('-p', '--redirect-port', help='Numeric TCP port for redirect portal', required=False)
1479    p.set_defaults(func=iscsi_target_node_set_redirect)
1480
1481    def iscsi_target_node_request_logout(args):
1482        rpc.iscsi.iscsi_target_node_request_logout(
1483            args.client,
1484            name=args.name,
1485            pg_tag=args.pg_tag)
1486
1487    p = subparsers.add_parser('iscsi_target_node_request_logout',
1488                              help="""For the target node, request connections whose portal group tag
1489    match to logout, or request all connections if portal group tag is omitted.""")
1490    p.add_argument('name', help='Target node name (ASCII)')
1491    p.add_argument('-t', '--pg-tag', help='Portal group tag (unique, integer > 0)', type=int, required=False)
1492    p.set_defaults(func=iscsi_target_node_request_logout)
1493
1494    def iscsi_create_portal_group(args):
1495        portals = []
1496        for p in args.portal_list.strip().split(' '):
1497            ip, separator, port_cpumask = p.rpartition(':')
1498            split_port_cpumask = port_cpumask.split('@')
1499            if len(split_port_cpumask) == 1:
1500                port = port_cpumask
1501                portals.append({'host': ip, 'port': port})
1502            else:
1503                port = split_port_cpumask[0]
1504                cpumask = split_port_cpumask[1]
1505                portals.append({'host': ip, 'port': port})
1506                print("WARNING: Specifying a portal group with a CPU mask is no longer supported. Ignoring it.")
1507        rpc.iscsi.iscsi_create_portal_group(
1508            args.client,
1509            portals=portals,
1510            tag=args.tag,
1511            private=args.private,
1512            wait=args.wait)
1513
1514    p = subparsers.add_parser('iscsi_create_portal_group',
1515                              help='Add a portal group')
1516    p.add_argument(
1517        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1518    p.add_argument('portal_list', help="""List of portals in host:port format, separated by whitespace
1519    Example: '192.168.100.100:3260 192.168.100.100:3261 192.168.100.100:3262""")
1520    p.add_argument('-p', '--private', help="""Public (false) or private (true) portal group.
1521    Private portal groups do not have their portals returned by a discovery session. A public
1522    portal group may optionally specify a redirect portal for non-discovery logins. This redirect
1523    portal must be from a private portal group.""", action='store_true')
1524    p.add_argument('-w', '--wait', help="""Do not listening on portals until it is started explicitly.
1525    One major iSCSI initiator may not retry login once it failed. Hence for such initiator, listening
1526    on portals should be allowed after all associated target nodes are created.""", action='store_true')
1527    p.set_defaults(func=iscsi_create_portal_group)
1528
1529    def iscsi_start_portal_group(args):
1530        rpc.iscsi.iscsi_start_portal_group(args.client, tag=args.tag)
1531
1532    p = subparsers.add_parser('iscsi_start_portal_group',
1533                              help='Start listening on portals if it is not started yet.')
1534    p.add_argument(
1535        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1536    p.set_defaults(func=iscsi_start_portal_group)
1537
1538    def iscsi_create_initiator_group(args):
1539        initiators = []
1540        netmasks = []
1541        for i in args.initiator_list.strip().split(' '):
1542            initiators.append(i)
1543        for n in args.netmask_list.strip().split(' '):
1544            netmasks.append(n)
1545        rpc.iscsi.iscsi_create_initiator_group(
1546            args.client,
1547            tag=args.tag,
1548            initiators=initiators,
1549            netmasks=netmasks)
1550
1551    p = subparsers.add_parser('iscsi_create_initiator_group',
1552                              help='Add an initiator group')
1553    p.add_argument(
1554        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1555    p.add_argument('initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1556    enclosed in quotes.  Example: 'ANY' or 'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""")
1557    p.add_argument('netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1558    Example: '255.255.0.0 255.248.0.0' etc""")
1559    p.set_defaults(func=iscsi_create_initiator_group)
1560
1561    def iscsi_initiator_group_add_initiators(args):
1562        initiators = None
1563        netmasks = None
1564        if args.initiator_list:
1565            initiators = []
1566            for i in args.initiator_list.strip().split(' '):
1567                initiators.append(i)
1568        if args.netmask_list:
1569            netmasks = []
1570            for n in args.netmask_list.strip().split(' '):
1571                netmasks.append(n)
1572        rpc.iscsi.iscsi_initiator_group_add_initiators(
1573            args.client,
1574            tag=args.tag,
1575            initiators=initiators,
1576            netmasks=netmasks)
1577
1578    p = subparsers.add_parser('iscsi_initiator_group_add_initiators',
1579                              help='Add initiators to an existing initiator group')
1580    p.add_argument(
1581        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1582    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1583    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1584    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1585    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1586    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1587    p.set_defaults(func=iscsi_initiator_group_add_initiators)
1588
1589    def iscsi_initiator_group_remove_initiators(args):
1590        initiators = None
1591        netmasks = None
1592        if args.initiator_list:
1593            initiators = []
1594            for i in args.initiator_list.strip().split(' '):
1595                initiators.append(i)
1596        if args.netmask_list:
1597            netmasks = []
1598            for n in args.netmask_list.strip().split(' '):
1599                netmasks.append(n)
1600        rpc.iscsi.iscsi_initiator_group_remove_initiators(
1601            args.client,
1602            tag=args.tag,
1603            initiators=initiators,
1604            netmasks=netmasks)
1605
1606    p = subparsers.add_parser('iscsi_initiator_group_remove_initiators',
1607                              help='Delete initiators from an existing initiator group')
1608    p.add_argument(
1609        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1610    p.add_argument('-n', dest='initiator_list', help="""Whitespace-separated list of initiator hostnames or IP addresses,
1611    enclosed in quotes.  This parameter can be omitted.  Example: 'ANY' or
1612    'iqn.2016-06.io.spdk:host1 iqn.2016-06.io.spdk:host2'""", required=False)
1613    p.add_argument('-m', dest='netmask_list', help="""Whitespace-separated list of initiator netmasks enclosed in quotes.
1614    This parameter can be omitted.  Example: '255.255.0.0 255.248.0.0' etc""", required=False)
1615    p.set_defaults(func=iscsi_initiator_group_remove_initiators)
1616
1617    def iscsi_delete_target_node(args):
1618        rpc.iscsi.iscsi_delete_target_node(
1619            args.client, target_node_name=args.target_node_name)
1620
1621    p = subparsers.add_parser('iscsi_delete_target_node',
1622                              help='Delete a target node')
1623    p.add_argument('target_node_name',
1624                   help='Target node name to be deleted. Example: iqn.2016-06.io.spdk:disk1.')
1625    p.set_defaults(func=iscsi_delete_target_node)
1626
1627    def iscsi_delete_portal_group(args):
1628        rpc.iscsi.iscsi_delete_portal_group(args.client, tag=args.tag)
1629
1630    p = subparsers.add_parser('iscsi_delete_portal_group',
1631                              help='Delete a portal group')
1632    p.add_argument(
1633        'tag', help='Portal group tag (unique, integer > 0)', type=int)
1634    p.set_defaults(func=iscsi_delete_portal_group)
1635
1636    def iscsi_delete_initiator_group(args):
1637        rpc.iscsi.iscsi_delete_initiator_group(args.client, tag=args.tag)
1638
1639    p = subparsers.add_parser('iscsi_delete_initiator_group',
1640                              help='Delete an initiator group')
1641    p.add_argument(
1642        'tag', help='Initiator group tag (unique, integer > 0)', type=int)
1643    p.set_defaults(func=iscsi_delete_initiator_group)
1644
1645    def iscsi_portal_group_set_auth(args):
1646        rpc.iscsi.iscsi_portal_group_set_auth(
1647            args.client,
1648            tag=args.tag,
1649            chap_group=args.chap_group,
1650            disable_chap=args.disable_chap,
1651            require_chap=args.require_chap,
1652            mutual_chap=args.mutual_chap)
1653
1654    p = subparsers.add_parser('iscsi_portal_group_set_auth',
1655                              help='Set CHAP authentication for discovery sessions specific for the portal group')
1656    p.add_argument('tag', help='Portal group tag (unique, integer > 0)', type=int)
1657    p.add_argument('-g', '--chap-group', help="""Authentication group ID for this portal group.
1658    *** Authentication group must be precreated ***""", type=int)
1659    p.add_argument('-d', '--disable-chap', help="""CHAP authentication should be disabled for this portal group.
1660    *** Mutually exclusive with --require-chap ***""", action='store_true')
1661    p.add_argument('-r', '--require-chap', help="""CHAP authentication should be required for this portal group.
1662    *** Mutually exclusive with --disable-chap ***""", action='store_true')
1663    p.add_argument('-m', '--mutual-chap', help='CHAP authentication should be mutual/bidirectional.',
1664                   action='store_true')
1665    p.set_defaults(func=iscsi_portal_group_set_auth)
1666
1667    def iscsi_get_connections(args):
1668        print_dict(rpc.iscsi.iscsi_get_connections(args.client))
1669
1670    p = subparsers.add_parser('iscsi_get_connections',
1671                              help='Display iSCSI connections')
1672    p.set_defaults(func=iscsi_get_connections)
1673
1674    def iscsi_get_options(args):
1675        print_dict(rpc.iscsi.iscsi_get_options(args.client))
1676
1677    p = subparsers.add_parser('iscsi_get_options',
1678                              help='Display iSCSI global parameters')
1679    p.set_defaults(func=iscsi_get_options)
1680
1681    def scsi_get_devices(args):
1682        print_dict(rpc.iscsi.scsi_get_devices(args.client))
1683
1684    p = subparsers.add_parser('scsi_get_devices', help='Display SCSI devices')
1685    p.set_defaults(func=scsi_get_devices)
1686
1687    # trace
1688    def trace_enable_tpoint_group(args):
1689        rpc.trace.trace_enable_tpoint_group(args.client, name=args.name)
1690
1691    p = subparsers.add_parser('trace_enable_tpoint_group',
1692                              help='enable trace on a specific tpoint group')
1693    p.add_argument(
1694        'name', help="""trace group name we want to enable in tpoint_group_mask.
1695        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1696    p.set_defaults(func=trace_enable_tpoint_group)
1697
1698    def trace_disable_tpoint_group(args):
1699        rpc.trace.trace_disable_tpoint_group(args.client, name=args.name)
1700
1701    p = subparsers.add_parser('trace_disable_tpoint_group',
1702                              help='disable trace on a specific tpoint group')
1703    p.add_argument(
1704        'name', help="""trace group name we want to disable in tpoint_group_mask.
1705        (for example "bdev" for bdev trace group, "all" for all trace groups).""")
1706    p.set_defaults(func=trace_disable_tpoint_group)
1707
1708    def trace_set_tpoint_mask(args):
1709        rpc.trace.trace_set_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1710
1711    p = subparsers.add_parser('trace_set_tpoint_mask',
1712                              help='enable tracepoint mask on a specific tpoint group')
1713    p.add_argument(
1714        'name', help="""trace group name we want to enable in tpoint_group_mask.
1715        (for example "bdev" for bdev trace group)""")
1716    p.add_argument(
1717        'tpoint_mask', help="""tracepoints to be enabled inside a given trace group.
1718        (for example value of "0x3" will enable only the first two tpoints in this group)""",
1719        type=lambda m: int(m, 16))
1720    p.set_defaults(func=trace_set_tpoint_mask)
1721
1722    def trace_clear_tpoint_mask(args):
1723        rpc.trace.trace_clear_tpoint_mask(args.client, name=args.name, tpoint_mask=args.tpoint_mask)
1724
1725    p = subparsers.add_parser('trace_clear_tpoint_mask',
1726                              help='disable tracepoint mask on a specific tpoint group')
1727    p.add_argument(
1728        'name', help="""trace group name we want to disable in tpoint_group_mask.
1729        (for example "bdev" for bdev trace group)""")
1730    p.add_argument(
1731        'tpoint_mask', help="""tracepoints to be disabled inside a given trace group.
1732        (for example value of "0x3" will disable the first two tpoints in this group)""",
1733        type=lambda m: int(m, 16))
1734    p.set_defaults(func=trace_clear_tpoint_mask)
1735
1736    def trace_get_tpoint_group_mask(args):
1737        print_dict(rpc.trace.trace_get_tpoint_group_mask(args.client))
1738
1739    p = subparsers.add_parser('trace_get_tpoint_group_mask', help='get trace point group mask')
1740    p.set_defaults(func=trace_get_tpoint_group_mask)
1741
1742    # log
1743    def log_set_flag(args):
1744        rpc.log.log_set_flag(args.client, flag=args.flag)
1745
1746    p = subparsers.add_parser('log_set_flag', help='set log flag')
1747    p.add_argument(
1748        'flag', help='log flag we want to set. (for example "nvme").')
1749    p.set_defaults(func=log_set_flag)
1750
1751    def log_clear_flag(args):
1752        rpc.log.log_clear_flag(args.client, flag=args.flag)
1753
1754    p = subparsers.add_parser('log_clear_flag', help='clear log flag')
1755    p.add_argument(
1756        'flag', help='log flag we want to clear. (for example "nvme").')
1757    p.set_defaults(func=log_clear_flag)
1758
1759    def log_get_flags(args):
1760        print_dict(rpc.log.log_get_flags(args.client))
1761
1762    p = subparsers.add_parser('log_get_flags', help='get log flags')
1763    p.set_defaults(func=log_get_flags)
1764
1765    def log_set_level(args):
1766        rpc.log.log_set_level(args.client, level=args.level)
1767
1768    p = subparsers.add_parser('log_set_level', help='set log level')
1769    p.add_argument('level', help='log level we want to set. (for example "DEBUG").')
1770    p.set_defaults(func=log_set_level)
1771
1772    def log_get_level(args):
1773        print_dict(rpc.log.log_get_level(args.client))
1774
1775    p = subparsers.add_parser('log_get_level', help='get log level')
1776    p.set_defaults(func=log_get_level)
1777
1778    def log_set_print_level(args):
1779        rpc.log.log_set_print_level(args.client, level=args.level)
1780
1781    p = subparsers.add_parser('log_set_print_level', help='set log print level')
1782    p.add_argument('level', help='log print level we want to set. (for example "DEBUG").')
1783    p.set_defaults(func=log_set_print_level)
1784
1785    def log_get_print_level(args):
1786        print_dict(rpc.log.log_get_print_level(args.client))
1787
1788    p = subparsers.add_parser('log_get_print_level', help='get log print level')
1789    p.set_defaults(func=log_get_print_level)
1790
1791    # lvol
1792    def bdev_lvol_create_lvstore(args):
1793        print_json(rpc.lvol.bdev_lvol_create_lvstore(args.client,
1794                                                     bdev_name=args.bdev_name,
1795                                                     lvs_name=args.lvs_name,
1796                                                     cluster_sz=args.cluster_sz,
1797                                                     clear_method=args.clear_method,
1798                                                     num_md_pages_per_cluster_ratio=args.md_pages_per_cluster_ratio))
1799
1800    p = subparsers.add_parser('bdev_lvol_create_lvstore', help='Add logical volume store on base bdev')
1801    p.add_argument('bdev_name', help='base bdev name')
1802    p.add_argument('lvs_name', help='name for lvol store')
1803    p.add_argument('-c', '--cluster-sz', help='size of cluster (in bytes)', type=int, required=False)
1804    p.add_argument('--clear-method', help="""Change clear method for data region.
1805        Available: none, unmap, write_zeroes""", required=False)
1806    p.add_argument('-m', '--md-pages-per-cluster-ratio', help='reserved metadata pages for each cluster', type=int, required=False)
1807    p.set_defaults(func=bdev_lvol_create_lvstore)
1808
1809    def bdev_lvol_rename_lvstore(args):
1810        rpc.lvol.bdev_lvol_rename_lvstore(args.client,
1811                                          old_name=args.old_name,
1812                                          new_name=args.new_name)
1813
1814    p = subparsers.add_parser('bdev_lvol_rename_lvstore', help='Change logical volume store name')
1815    p.add_argument('old_name', help='old name')
1816    p.add_argument('new_name', help='new name')
1817    p.set_defaults(func=bdev_lvol_rename_lvstore)
1818
1819    def bdev_lvol_grow_lvstore(args):
1820        print_dict(rpc.lvol.bdev_lvol_grow_lvstore(args.client,
1821                                                   uuid=args.uuid,
1822                                                   lvs_name=args.lvs_name))
1823
1824    p = subparsers.add_parser('bdev_lvol_grow_lvstore',
1825                              help='Grow the lvstore size to the underlying bdev size')
1826    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1827    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1828    p.set_defaults(func=bdev_lvol_grow_lvstore)
1829
1830    def bdev_lvol_create(args):
1831        print_json(rpc.lvol.bdev_lvol_create(args.client,
1832                                             lvol_name=args.lvol_name,
1833                                             size=args.size * 1024 * 1024,
1834                                             thin_provision=args.thin_provision,
1835                                             clear_method=args.clear_method,
1836                                             uuid=args.uuid,
1837                                             lvs_name=args.lvs_name))
1838
1839    p = subparsers.add_parser('bdev_lvol_create', help='Add a bdev with an logical volume backend')
1840    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1841    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1842    p.add_argument('-t', '--thin-provision', action='store_true', help='create lvol bdev as thin provisioned')
1843    p.add_argument('-c', '--clear-method', help="""Change default data clusters clear method.
1844        Available: none, unmap, write_zeroes""", required=False)
1845    p.add_argument('lvol_name', help='name for this lvol')
1846    p.add_argument('size', help='size in MiB for this bdev', type=int)
1847    p.set_defaults(func=bdev_lvol_create)
1848
1849    def bdev_lvol_snapshot(args):
1850        print_json(rpc.lvol.bdev_lvol_snapshot(args.client,
1851                                               lvol_name=args.lvol_name,
1852                                               snapshot_name=args.snapshot_name))
1853
1854    p = subparsers.add_parser('bdev_lvol_snapshot', help='Create a snapshot of an lvol bdev')
1855    p.add_argument('lvol_name', help='lvol bdev name')
1856    p.add_argument('snapshot_name', help='lvol snapshot name')
1857    p.set_defaults(func=bdev_lvol_snapshot)
1858
1859    def bdev_lvol_clone(args):
1860        print_json(rpc.lvol.bdev_lvol_clone(args.client,
1861                                            snapshot_name=args.snapshot_name,
1862                                            clone_name=args.clone_name))
1863
1864    p = subparsers.add_parser('bdev_lvol_clone', help='Create a clone of an lvol snapshot')
1865    p.add_argument('snapshot_name', help='lvol snapshot name')
1866    p.add_argument('clone_name', help='lvol clone name')
1867    p.set_defaults(func=bdev_lvol_clone)
1868
1869    def bdev_lvol_rename(args):
1870        rpc.lvol.bdev_lvol_rename(args.client,
1871                                  old_name=args.old_name,
1872                                  new_name=args.new_name)
1873
1874    p = subparsers.add_parser('bdev_lvol_rename', help='Change lvol bdev name')
1875    p.add_argument('old_name', help='lvol bdev name')
1876    p.add_argument('new_name', help='new lvol name')
1877    p.set_defaults(func=bdev_lvol_rename)
1878
1879    def bdev_lvol_inflate(args):
1880        rpc.lvol.bdev_lvol_inflate(args.client,
1881                                   name=args.name)
1882
1883    p = subparsers.add_parser('bdev_lvol_inflate', help='Make thin provisioned lvol a thick provisioned lvol')
1884    p.add_argument('name', help='lvol bdev name')
1885    p.set_defaults(func=bdev_lvol_inflate)
1886
1887    def bdev_lvol_decouple_parent(args):
1888        rpc.lvol.bdev_lvol_decouple_parent(args.client,
1889                                           name=args.name)
1890
1891    p = subparsers.add_parser('bdev_lvol_decouple_parent', help='Decouple parent of lvol')
1892    p.add_argument('name', help='lvol bdev name')
1893    p.set_defaults(func=bdev_lvol_decouple_parent)
1894
1895    def bdev_lvol_resize(args):
1896        rpc.lvol.bdev_lvol_resize(args.client,
1897                                  name=args.name,
1898                                  size=args.size * 1024 * 1024)
1899
1900    p = subparsers.add_parser('bdev_lvol_resize', help='Resize existing lvol bdev')
1901    p.add_argument('name', help='lvol bdev name')
1902    p.add_argument('size', help='new size in MiB for this bdev', type=int)
1903    p.set_defaults(func=bdev_lvol_resize)
1904
1905    def bdev_lvol_set_read_only(args):
1906        rpc.lvol.bdev_lvol_set_read_only(args.client,
1907                                         name=args.name)
1908
1909    p = subparsers.add_parser('bdev_lvol_set_read_only', help='Mark lvol bdev as read only')
1910    p.add_argument('name', help='lvol bdev name')
1911    p.set_defaults(func=bdev_lvol_set_read_only)
1912
1913    def bdev_lvol_delete(args):
1914        rpc.lvol.bdev_lvol_delete(args.client,
1915                                  name=args.name)
1916
1917    p = subparsers.add_parser('bdev_lvol_delete', help='Destroy a logical volume')
1918    p.add_argument('name', help='lvol bdev name')
1919    p.set_defaults(func=bdev_lvol_delete)
1920
1921    def bdev_lvol_delete_lvstore(args):
1922        rpc.lvol.bdev_lvol_delete_lvstore(args.client,
1923                                          uuid=args.uuid,
1924                                          lvs_name=args.lvs_name)
1925
1926    p = subparsers.add_parser('bdev_lvol_delete_lvstore', help='Destroy an logical volume store')
1927    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1928    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1929    p.set_defaults(func=bdev_lvol_delete_lvstore)
1930
1931    def bdev_lvol_get_lvstores(args):
1932        print_dict(rpc.lvol.bdev_lvol_get_lvstores(args.client,
1933                                                   uuid=args.uuid,
1934                                                   lvs_name=args.lvs_name))
1935
1936    p = subparsers.add_parser('bdev_lvol_get_lvstores', help='Display current logical volume store list')
1937    p.add_argument('-u', '--uuid', help='lvol store UUID', required=False)
1938    p.add_argument('-l', '--lvs-name', help='lvol store name', required=False)
1939    p.set_defaults(func=bdev_lvol_get_lvstores)
1940
1941    def bdev_raid_get_bdevs(args):
1942        print_array(rpc.bdev.bdev_raid_get_bdevs(args.client,
1943                                                 category=args.category))
1944
1945    p = subparsers.add_parser('bdev_raid_get_bdevs',
1946                              help="""This is used to list all the raid bdev names based on the input category
1947    requested. Category should be one of 'all', 'online', 'configuring' or 'offline'. 'all' means all the raid bdevs whether
1948    they are online or configuring or offline. 'online' is the raid bdev which is registered with bdev layer. 'configuring'
1949    is the raid bdev which does not have full configuration discovered yet. 'offline' is the raid bdev which is not registered
1950    with bdev as of now and it has encountered any error or user has requested to offline the raid bdev""")
1951    p.add_argument('category', help='all or online or configuring or offline')
1952    p.set_defaults(func=bdev_raid_get_bdevs)
1953
1954    def bdev_raid_create(args):
1955        base_bdevs = []
1956        for u in args.base_bdevs.strip().split(" "):
1957            base_bdevs.append(u)
1958
1959        rpc.bdev.bdev_raid_create(args.client,
1960                                  name=args.name,
1961                                  strip_size_kb=args.strip_size_kb,
1962                                  raid_level=args.raid_level,
1963                                  base_bdevs=base_bdevs)
1964    p = subparsers.add_parser('bdev_raid_create', help='Create new raid bdev')
1965    p.add_argument('-n', '--name', help='raid bdev name', required=True)
1966    p.add_argument('-z', '--strip-size-kb', help='strip size in KB', type=int)
1967    p.add_argument('-r', '--raid-level', help='raid level, raid0 and a special level concat are supported', required=True)
1968    p.add_argument('-b', '--base-bdevs', help='base bdevs name, whitespace separated list in quotes', required=True)
1969    p.set_defaults(func=bdev_raid_create)
1970
1971    def bdev_raid_delete(args):
1972        rpc.bdev.bdev_raid_delete(args.client,
1973                                  name=args.name)
1974    p = subparsers.add_parser('bdev_raid_delete', help='Delete existing raid bdev')
1975    p.add_argument('name', help='raid bdev name')
1976    p.set_defaults(func=bdev_raid_delete)
1977
1978    # split
1979    def bdev_split_create(args):
1980        print_array(rpc.bdev.bdev_split_create(args.client,
1981                                               base_bdev=args.base_bdev,
1982                                               split_count=args.split_count,
1983                                               split_size_mb=args.split_size_mb))
1984
1985    p = subparsers.add_parser('bdev_split_create',
1986                              help="""Add given disk name to split config. If bdev with base_name
1987    name exist the split bdevs will be created right away, if not split bdevs will be created when base bdev became
1988    available (during examination process).""")
1989    p.add_argument('base_bdev', help='base bdev name')
1990    p.add_argument('-s', '--split-size-mb', help='size in MiB for each bdev', type=int)
1991    p.add_argument('split_count', help="""Optional - number of split bdevs to create. Total size * split_count must not
1992    exceed the base bdev size.""", type=int)
1993    p.set_defaults(func=bdev_split_create)
1994
1995    def bdev_split_delete(args):
1996        rpc.bdev.bdev_split_delete(args.client,
1997                                   base_bdev=args.base_bdev)
1998
1999    p = subparsers.add_parser('bdev_split_delete', help="""Delete split config with all created splits.""")
2000    p.add_argument('base_bdev', help='base bdev name')
2001    p.set_defaults(func=bdev_split_delete)
2002
2003    # ftl
2004    def bdev_ftl_create(args):
2005        print_dict(rpc.bdev.bdev_ftl_create(args.client,
2006                                            name=args.name,
2007                                            base_bdev=args.base_bdev,
2008                                            uuid=args.uuid,
2009                                            cache=args.cache,
2010                                            overprovisioning=args.overprovisioning,
2011                                            core_mask=args.core_mask,
2012                                            fast_shutdown=args.fast_shutdown))
2013
2014    p = subparsers.add_parser('bdev_ftl_create', help='Add FTL bdev')
2015    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2016    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2017                   required=True)
2018    p.add_argument('-u', '--uuid', help='UUID of restored bdev (not applicable when creating new '
2019                   'instance): e.g. b286d19a-0059-4709-abcd-9f7732b1567d (optional)')
2020    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2021                   required=True)
2022    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2023                   ' to user (optional); default 20', type=int)
2024    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2025                   'by default core thread will be set to the main application core (optional)')
2026    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2027    p.set_defaults(func=bdev_ftl_create)
2028
2029    def bdev_ftl_load(args):
2030        print_dict(rpc.bdev.bdev_ftl_load(args.client,
2031                                          name=args.name,
2032                                          base_bdev=args.base_bdev,
2033                                          uuid=args.uuid,
2034                                          cache=args.cache,
2035                                          overprovisioning=args.overprovisioning,
2036                                          core_mask=args.core_mask,
2037                                          fast_shutdown=args.fast_shutdown))
2038
2039    p = subparsers.add_parser('bdev_ftl_load', help='Load FTL bdev')
2040    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2041    p.add_argument('-d', '--base-bdev', help='Name of bdev used as underlying device',
2042                   required=True)
2043    p.add_argument('-u', '--uuid', help='UUID of restored bdev', required=True)
2044    p.add_argument('-c', '--cache', help='Name of the bdev to be used as a write buffer cache',
2045                   required=True)
2046    p.add_argument('--overprovisioning', help='Percentage of device used for relocation, not exposed'
2047                   ' to user (optional); default 20', type=int)
2048    p.add_argument('--core-mask', help='CPU core mask - which cores will be used for ftl core thread, '
2049                   'by default core thread will be set to the main application core (optional)')
2050    p.add_argument('-f', '--fast-shutdown', help="Enable fast shutdown", action='store_true')
2051    p.set_defaults(func=bdev_ftl_load)
2052
2053    def bdev_ftl_unload(args):
2054        print_dict(rpc.bdev.bdev_ftl_unload(args.client, name=args.name))
2055
2056    p = subparsers.add_parser('bdev_ftl_unload', help='Unload FTL bdev')
2057    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2058    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2059    p.set_defaults(func=bdev_ftl_unload)
2060
2061    def bdev_ftl_delete(args):
2062        print_dict(rpc.bdev.bdev_ftl_delete(args.client, name=args.name, fast_shutdown=args.fast_shutdown))
2063
2064    p = subparsers.add_parser('bdev_ftl_delete', help='Delete FTL bdev')
2065    p.add_argument('-b', '--name', help="Name of the bdev", required=True)
2066    p.add_argument('-f', '--fast-shutdown', help="Fast shutdown", action='store_true')
2067    p.set_defaults(func=bdev_ftl_delete)
2068
2069    # vmd
2070    def enable_vmd(args):
2071        print_dict(rpc.vmd.enable_vmd(args.client))
2072
2073    p = subparsers.add_parser('enable_vmd', help='Enable VMD enumeration')
2074    p.set_defaults(func=enable_vmd)
2075
2076    # nbd
2077    def nbd_start_disk(args):
2078        print(rpc.nbd.nbd_start_disk(args.client,
2079                                     bdev_name=args.bdev_name,
2080                                     nbd_device=args.nbd_device))
2081
2082    p = subparsers.add_parser('nbd_start_disk',
2083                              help='Export a bdev as an nbd disk')
2084    p.add_argument('bdev_name', help='Blockdev name to be exported. Example: Malloc0.')
2085    p.add_argument('nbd_device', help='Nbd device name to be assigned. Example: /dev/nbd0.', nargs='?')
2086    p.set_defaults(func=nbd_start_disk)
2087
2088    def nbd_stop_disk(args):
2089        rpc.nbd.nbd_stop_disk(args.client,
2090                              nbd_device=args.nbd_device)
2091
2092    p = subparsers.add_parser('nbd_stop_disk',
2093                              help='Stop an nbd disk')
2094    p.add_argument('nbd_device', help='Nbd device name to be stopped. Example: /dev/nbd0.')
2095    p.set_defaults(func=nbd_stop_disk)
2096
2097    def nbd_get_disks(args):
2098        print_dict(rpc.nbd.nbd_get_disks(args.client,
2099                                         nbd_device=args.nbd_device))
2100
2101    p = subparsers.add_parser('nbd_get_disks',
2102                              help='Display full or specified nbd device list')
2103    p.add_argument('-n', '--nbd-device', help="Path of the nbd device. Example: /dev/nbd0", required=False)
2104    p.set_defaults(func=nbd_get_disks)
2105
2106    # NVMe-oF
2107    def nvmf_set_max_subsystems(args):
2108        rpc.nvmf.nvmf_set_max_subsystems(args.client,
2109                                         max_subsystems=args.max_subsystems)
2110
2111    p = subparsers.add_parser('nvmf_set_max_subsystems',
2112                              help='Set the maximum number of NVMf target subsystems')
2113    p.add_argument('-x', '--max-subsystems', help='Max number of NVMf subsystems', type=int, required=True)
2114    p.set_defaults(func=nvmf_set_max_subsystems)
2115
2116    def nvmf_set_config(args):
2117        rpc.nvmf.nvmf_set_config(args.client,
2118                                 passthru_identify_ctrlr=args.passthru_identify_ctrlr,
2119                                 poll_groups_mask=args.poll_groups_mask,
2120                                 discovery_filter=args.discovery_filter)
2121
2122    p = subparsers.add_parser('nvmf_set_config', help='Set NVMf target config')
2123    p.add_argument('-i', '--passthru-identify-ctrlr', help="""Passthrough fields like serial number and model number
2124    when the controller has a single namespace that is an NVMe bdev""", action='store_true')
2125    p.add_argument('-m', '--poll-groups-mask', help='Set cpumask for NVMf poll groups (optional)', type=str)
2126    p.add_argument('-d', '--discovery-filter', help="""Set discovery filter (optional), possible values are: `match_any` (default) or
2127         comma separated values: `transport`, `address`, `svcid`""", type=str)
2128    p.set_defaults(func=nvmf_set_config)
2129
2130    def nvmf_create_transport(args):
2131        rpc.nvmf.nvmf_create_transport(**vars(args))
2132
2133    p = subparsers.add_parser('nvmf_create_transport', help='Create NVMf transport')
2134    p.add_argument('-t', '--trtype', help='Transport type (ex. RDMA)', type=str, required=True)
2135    p.add_argument('-g', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2136    p.add_argument('-q', '--max-queue-depth', help='Max number of outstanding I/O per queue', type=int)
2137    p.add_argument('-m', '--max-io-qpairs-per-ctrlr', help='Max number of IO qpairs per controller', type=int)
2138    p.add_argument('-c', '--in-capsule-data-size', help='Max number of in-capsule data size', type=int)
2139    p.add_argument('-i', '--max-io-size', help='Max I/O size (bytes)', type=int)
2140    p.add_argument('-u', '--io-unit-size', help='I/O unit size (bytes)', type=int)
2141    p.add_argument('-a', '--max-aq-depth', help='Max number of admin cmds per AQ', type=int)
2142    p.add_argument('-n', '--num-shared-buffers', help='The number of pooled data buffers available to the transport', type=int)
2143    p.add_argument('-b', '--buf-cache-size', help='The number of shared buffers to reserve for each poll group', type=int)
2144    p.add_argument('-z', '--zcopy', action='store_true', help='''Use zero-copy operations if the
2145    underlying bdev supports them''')
2146    p.add_argument('-d', '--num-cqe', help="""The number of CQ entires. Only used when no_srq=true.
2147    Relevant only for RDMA transport""", type=int)
2148    p.add_argument('-s', '--max-srq-depth', help='Max number of outstanding I/O per SRQ. Relevant only for RDMA transport', type=int)
2149    p.add_argument('-r', '--no-srq', action='store_true', help='Disable per-thread shared receive queue. Relevant only for RDMA transport')
2150    p.add_argument('-o', '--c2h-success', action='store_false', help='Disable C2H success optimization. Relevant only for TCP transport')
2151    p.add_argument('-f', '--dif-insert-or-strip', action='store_true', help='Enable DIF insert/strip. Relevant only for TCP transport')
2152    p.add_argument('-y', '--sock-priority', help='The sock priority of the tcp connection. Relevant only for TCP transport', type=int)
2153    p.add_argument('-l', '--acceptor-backlog', help='Pending connections allowed at one time. Relevant only for RDMA transport', type=int)
2154    p.add_argument('-x', '--abort-timeout-sec', help='Abort execution timeout value, in seconds', type=int)
2155    p.add_argument('-w', '--no-wr-batching', action='store_true', help='Disable work requests batching. Relevant only for RDMA transport')
2156    p.add_argument('-e', '--control-msg-num', help="""The number of control messages per poll group.
2157    Relevant only for TCP transport""", type=int)
2158    p.add_argument('-M', '--disable-mappable-bar0', action='store_true', help="""Disable mmap() of BAR0.
2159    Relevant only for VFIO-USER transport""")
2160    p.add_argument('-I', '--disable-adaptive-irq', action='store_true', help="""Disable adaptive interrupt feature.
2161    Relevant only for VFIO-USER transport""")
2162    p.add_argument('-S', '--disable-shadow-doorbells', action='store_true', help="""Disable shadow doorbell support.
2163    Relevant only for VFIO-USER transport""")
2164    p.add_argument('--acceptor-poll-rate', help='Polling interval of the acceptor for incoming connections (usec)', type=int)
2165    p.set_defaults(func=nvmf_create_transport)
2166
2167    def nvmf_get_transports(args):
2168        print_dict(rpc.nvmf.nvmf_get_transports(args.client, trtype=args.trtype, tgt_name=args.tgt_name))
2169
2170    p = subparsers.add_parser('nvmf_get_transports', help='Display nvmf transports or required transport')
2171    p.add_argument('--trtype', help='Transport type (optional)')
2172    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2173    p.set_defaults(func=nvmf_get_transports)
2174
2175    def nvmf_get_subsystems(args):
2176        print_dict(rpc.nvmf.nvmf_get_subsystems(args.client, nqn=args.nqn, tgt_name=args.tgt_name))
2177
2178    p = subparsers.add_parser('nvmf_get_subsystems', help='Display nvmf subsystems or required subsystem')
2179    p.add_argument('nqn', help='Subsystem NQN (optional)', nargs="?")
2180    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2181    p.set_defaults(func=nvmf_get_subsystems)
2182
2183    def nvmf_create_subsystem(args):
2184        rpc.nvmf.nvmf_create_subsystem(args.client,
2185                                       nqn=args.nqn,
2186                                       tgt_name=args.tgt_name,
2187                                       serial_number=args.serial_number,
2188                                       model_number=args.model_number,
2189                                       allow_any_host=args.allow_any_host,
2190                                       max_namespaces=args.max_namespaces,
2191                                       ana_reporting=args.ana_reporting,
2192                                       min_cntlid=args.min_cntlid,
2193                                       max_cntlid=args.max_cntlid)
2194
2195    p = subparsers.add_parser('nvmf_create_subsystem', help='Create an NVMe-oF subsystem')
2196    p.add_argument('nqn', help='Subsystem NQN (ASCII)')
2197    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2198    p.add_argument("-s", "--serial-number", help="""
2199    Format:  'sn' etc
2200    Example: 'SPDK00000000000001'""")
2201    p.add_argument("-d", "--model-number", help="""
2202    Format:  'mn' etc
2203    Example: 'SPDK Controller'""")
2204    p.add_argument("-a", "--allow-any-host", action='store_true', help="Allow any host to connect (don't enforce allowed host NQN list)")
2205    p.add_argument("-m", "--max-namespaces", help="Maximum number of namespaces allowed",
2206                   type=int)
2207    p.add_argument("-r", "--ana-reporting", action='store_true', help="Enable ANA reporting feature")
2208    p.add_argument("-i", "--min_cntlid", help="Minimum controller ID", type=int)
2209    p.add_argument("-I", "--max_cntlid", help="Maximum controller ID", type=int)
2210    p.set_defaults(func=nvmf_create_subsystem)
2211
2212    def nvmf_delete_subsystem(args):
2213        rpc.nvmf.nvmf_delete_subsystem(args.client,
2214                                       nqn=args.subsystem_nqn,
2215                                       tgt_name=args.tgt_name)
2216
2217    p = subparsers.add_parser('nvmf_delete_subsystem', help='Delete a nvmf subsystem')
2218    p.add_argument('subsystem_nqn',
2219                   help='subsystem nqn to be deleted. Example: nqn.2016-06.io.spdk:cnode1.')
2220    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2221    p.set_defaults(func=nvmf_delete_subsystem)
2222
2223    def nvmf_subsystem_add_listener(args):
2224        rpc.nvmf.nvmf_subsystem_add_listener(**vars(args))
2225
2226    p = subparsers.add_parser('nvmf_subsystem_add_listener', help='Add a listener to an NVMe-oF subsystem')
2227    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2228    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2229    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2230    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2231    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2232    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for RDMA or TCP)')
2233    p.set_defaults(func=nvmf_subsystem_add_listener)
2234
2235    def nvmf_subsystem_remove_listener(args):
2236        rpc.nvmf.nvmf_subsystem_remove_listener(args.client,
2237                                                nqn=args.nqn,
2238                                                trtype=args.trtype,
2239                                                traddr=args.traddr,
2240                                                tgt_name=args.tgt_name,
2241                                                adrfam=args.adrfam,
2242                                                trsvcid=args.trsvcid)
2243
2244    p = subparsers.add_parser('nvmf_subsystem_remove_listener', help='Remove a listener from an NVMe-oF subsystem')
2245    p.add_argument('nqn', help='NVMe-oF subsystem NQN (\'discovery\' can be used as shortcut for discovery NQN)')
2246    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2247    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2248    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2249    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2250    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number (required for TCP and RDMA transport types)')
2251    p.set_defaults(func=nvmf_subsystem_remove_listener)
2252
2253    def nvmf_subsystem_listener_set_ana_state(args):
2254        rpc.nvmf.nvmf_subsystem_listener_set_ana_state(args.client,
2255                                                       nqn=args.nqn,
2256                                                       ana_state=args.ana_state,
2257                                                       trtype=args.trtype,
2258                                                       traddr=args.traddr,
2259                                                       tgt_name=args.tgt_name,
2260                                                       adrfam=args.adrfam,
2261                                                       trsvcid=args.trsvcid,
2262                                                       anagrpid=args.anagrpid)
2263
2264    p = subparsers.add_parser('nvmf_subsystem_listener_set_ana_state', help='Set ANA state of a listener for an NVMe-oF subsystem')
2265    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2266    p.add_argument('-n', '--ana-state', help='ANA state to set: optimized, non_optimized, or inaccessible', required=True)
2267    p.add_argument('-t', '--trtype', help='NVMe-oF transport type: e.g., rdma', required=True)
2268    p.add_argument('-a', '--traddr', help='NVMe-oF transport address: e.g., an ip address', required=True)
2269    p.add_argument('-p', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2270    p.add_argument('-f', '--adrfam', help='NVMe-oF transport adrfam: e.g., ipv4, ipv6, ib, fc, intra_host')
2271    p.add_argument('-s', '--trsvcid', help='NVMe-oF transport service id: e.g., a port number')
2272    p.add_argument('-g', '--anagrpid', help='ANA group ID (optional)', type=int)
2273    p.set_defaults(func=nvmf_subsystem_listener_set_ana_state)
2274
2275    def nvmf_subsystem_add_ns(args):
2276        rpc.nvmf.nvmf_subsystem_add_ns(args.client,
2277                                       nqn=args.nqn,
2278                                       bdev_name=args.bdev_name,
2279                                       tgt_name=args.tgt_name,
2280                                       ptpl_file=args.ptpl_file,
2281                                       nsid=args.nsid,
2282                                       nguid=args.nguid,
2283                                       eui64=args.eui64,
2284                                       uuid=args.uuid,
2285                                       anagrpid=args.anagrpid)
2286
2287    p = subparsers.add_parser('nvmf_subsystem_add_ns', help='Add a namespace to an NVMe-oF subsystem')
2288    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2289    p.add_argument('bdev_name', help='The name of the bdev that will back this namespace')
2290    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2291    p.add_argument('-p', '--ptpl-file', help='The persistent reservation storage location (optional)', type=str)
2292    p.add_argument('-n', '--nsid', help='The requested NSID (optional)', type=int)
2293    p.add_argument('-g', '--nguid', help='Namespace globally unique identifier (optional)')
2294    p.add_argument('-e', '--eui64', help='Namespace EUI-64 identifier (optional)')
2295    p.add_argument('-u', '--uuid', help='Namespace UUID (optional)')
2296    p.add_argument('-a', '--anagrpid', help='ANA group ID (optional)', type=int)
2297    p.set_defaults(func=nvmf_subsystem_add_ns)
2298
2299    def nvmf_subsystem_remove_ns(args):
2300        rpc.nvmf.nvmf_subsystem_remove_ns(args.client,
2301                                          nqn=args.nqn,
2302                                          nsid=args.nsid,
2303                                          tgt_name=args.tgt_name)
2304
2305    p = subparsers.add_parser('nvmf_subsystem_remove_ns', help='Remove a namespace to an NVMe-oF subsystem')
2306    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2307    p.add_argument('nsid', help='The requested NSID', type=int)
2308    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2309    p.set_defaults(func=nvmf_subsystem_remove_ns)
2310
2311    def nvmf_subsystem_add_host(args):
2312        rpc.nvmf.nvmf_subsystem_add_host(args.client,
2313                                         nqn=args.nqn,
2314                                         host=args.host,
2315                                         tgt_name=args.tgt_name)
2316
2317    p = subparsers.add_parser('nvmf_subsystem_add_host', help='Add a host to an NVMe-oF subsystem')
2318    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2319    p.add_argument('host', help='Host NQN to allow')
2320    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2321    p.set_defaults(func=nvmf_subsystem_add_host)
2322
2323    def nvmf_subsystem_remove_host(args):
2324        rpc.nvmf.nvmf_subsystem_remove_host(args.client,
2325                                            nqn=args.nqn,
2326                                            host=args.host,
2327                                            tgt_name=args.tgt_name)
2328
2329    p = subparsers.add_parser('nvmf_subsystem_remove_host', help='Remove a host from an NVMe-oF subsystem')
2330    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2331    p.add_argument('host', help='Host NQN to remove')
2332    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2333    p.set_defaults(func=nvmf_subsystem_remove_host)
2334
2335    def nvmf_subsystem_allow_any_host(args):
2336        rpc.nvmf.nvmf_subsystem_allow_any_host(args.client,
2337                                               nqn=args.nqn,
2338                                               disable=args.disable,
2339                                               tgt_name=args.tgt_name)
2340
2341    p = subparsers.add_parser('nvmf_subsystem_allow_any_host', help='Allow any host to connect to the subsystem')
2342    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2343    p.add_argument('-e', '--enable', action='store_true', help='Enable allowing any host')
2344    p.add_argument('-d', '--disable', action='store_true', help='Disable allowing any host')
2345    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2346    p.set_defaults(func=nvmf_subsystem_allow_any_host)
2347
2348    def nvmf_subsystem_get_controllers(args):
2349        print_dict(rpc.nvmf.nvmf_subsystem_get_controllers(args.client,
2350                                                           nqn=args.nqn,
2351                                                           tgt_name=args.tgt_name))
2352
2353    p = subparsers.add_parser('nvmf_subsystem_get_controllers',
2354                              help='Display controllers of an NVMe-oF subsystem.')
2355    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2356    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2357    p.set_defaults(func=nvmf_subsystem_get_controllers)
2358
2359    def nvmf_subsystem_get_qpairs(args):
2360        print_dict(rpc.nvmf.nvmf_subsystem_get_qpairs(args.client,
2361                                                      nqn=args.nqn,
2362                                                      tgt_name=args.tgt_name))
2363
2364    p = subparsers.add_parser('nvmf_subsystem_get_qpairs',
2365                              help='Display queue pairs of an NVMe-oF subsystem.')
2366    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2367    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2368    p.set_defaults(func=nvmf_subsystem_get_qpairs)
2369
2370    def nvmf_subsystem_get_listeners(args):
2371        print_dict(rpc.nvmf.nvmf_subsystem_get_listeners(args.client,
2372                                                         nqn=args.nqn,
2373                                                         tgt_name=args.tgt_name))
2374
2375    p = subparsers.add_parser('nvmf_subsystem_get_listeners',
2376                              help='Display listeners of an NVMe-oF subsystem.')
2377    p.add_argument('nqn', help='NVMe-oF subsystem NQN')
2378    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2379    p.set_defaults(func=nvmf_subsystem_get_listeners)
2380
2381    def nvmf_get_stats(args):
2382        print_dict(rpc.nvmf.nvmf_get_stats(args.client, tgt_name=args.tgt_name))
2383
2384    p = subparsers.add_parser(
2385        'nvmf_get_stats', help='Display current statistics for NVMf subsystem')
2386    p.add_argument('-t', '--tgt-name', help='The name of the parent NVMe-oF target (optional)', type=str)
2387    p.set_defaults(func=nvmf_get_stats)
2388
2389    def nvmf_set_crdt(args):
2390        print_dict(rpc.nvmf.nvmf_set_crdt(args.client, args.crdt1, args.crdt2, args.crdt3))
2391
2392    p = subparsers.add_parser(
2393        'nvmf_set_crdt',
2394        help="""Set the 3 crdt (Command Retry Delay Time) values for NVMf subsystem. All
2395        values are in units of 100 milliseconds (same as the NVM Express specification).""")
2396    p.add_argument('-t1', '--crdt1', help='Command Retry Delay Time 1, in units of 100 milliseconds', type=int)
2397    p.add_argument('-t2', '--crdt2', help='Command Retry Delay Time 2, in units of 100 milliseconds', type=int)
2398    p.add_argument('-t3', '--crdt3', help='Command Retry Delay Time 3, in units of 100 milliseconds', type=int)
2399    p.set_defaults(func=nvmf_set_crdt)
2400
2401    # pmem
2402    def bdev_pmem_create_pool(args):
2403        num_blocks = int((args.total_size * 1024 * 1024) / args.block_size)
2404        rpc.pmem.bdev_pmem_create_pool(args.client,
2405                                       pmem_file=args.pmem_file,
2406                                       num_blocks=num_blocks,
2407                                       block_size=args.block_size)
2408
2409    p = subparsers.add_parser('bdev_pmem_create_pool', help='Create pmem pool')
2410    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2411    p.add_argument('total_size', help='Size of pmem bdev in MB (int > 0)', type=int)
2412    p.add_argument('block_size', help='Block size for this pmem pool', type=int)
2413    p.set_defaults(func=bdev_pmem_create_pool)
2414
2415    def bdev_pmem_get_pool_info(args):
2416        print_dict(rpc.pmem.bdev_pmem_get_pool_info(args.client,
2417                                                    pmem_file=args.pmem_file))
2418
2419    p = subparsers.add_parser('bdev_pmem_get_pool_info', help='Display pmem pool info and check consistency')
2420    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2421    p.set_defaults(func=bdev_pmem_get_pool_info)
2422
2423    def bdev_pmem_delete_pool(args):
2424        rpc.pmem.bdev_pmem_delete_pool(args.client,
2425                                       pmem_file=args.pmem_file)
2426
2427    p = subparsers.add_parser('bdev_pmem_delete_pool', help='Delete pmem pool')
2428    p.add_argument('pmem_file', help='Path to pmemblk pool file')
2429    p.set_defaults(func=bdev_pmem_delete_pool)
2430
2431    # subsystem
2432    def framework_get_subsystems(args):
2433        print_dict(rpc.subsystem.framework_get_subsystems(args.client))
2434
2435    p = subparsers.add_parser('framework_get_subsystems',
2436                              help="""Print subsystems array in initialization order. Each subsystem
2437    entry contain (unsorted) array of subsystems it depends on.""")
2438    p.set_defaults(func=framework_get_subsystems)
2439
2440    def framework_get_config(args):
2441        print_dict(rpc.subsystem.framework_get_config(args.client, args.name))
2442
2443    p = subparsers.add_parser('framework_get_config', help="""Print subsystem configuration""")
2444    p.add_argument('name', help='Name of subsystem to query')
2445    p.set_defaults(func=framework_get_config)
2446
2447    # vhost
2448    def vhost_controller_set_coalescing(args):
2449        rpc.vhost.vhost_controller_set_coalescing(args.client,
2450                                                  ctrlr=args.ctrlr,
2451                                                  delay_base_us=args.delay_base_us,
2452                                                  iops_threshold=args.iops_threshold)
2453
2454    p = subparsers.add_parser('vhost_controller_set_coalescing', help='Set vhost controller coalescing')
2455    p.add_argument('ctrlr', help='controller name')
2456    p.add_argument('delay_base_us', help='Base delay time', type=int)
2457    p.add_argument('iops_threshold', help='IOPS threshold when coalescing is enabled', type=int)
2458    p.set_defaults(func=vhost_controller_set_coalescing)
2459
2460    def virtio_blk_create_transport(args):
2461        rpc.vhost.virtio_blk_create_transport(**vars(args))
2462
2463    p = subparsers.add_parser('virtio_blk_create_transport',
2464                              help='Create virtio blk transport')
2465    p.add_argument('name', help='transport name')
2466    p.set_defaults(func=virtio_blk_create_transport)
2467
2468    def vhost_create_scsi_controller(args):
2469        rpc.vhost.vhost_create_scsi_controller(args.client,
2470                                               ctrlr=args.ctrlr,
2471                                               cpumask=args.cpumask)
2472
2473    p = subparsers.add_parser('vhost_create_scsi_controller', help='Add new vhost controller')
2474    p.add_argument('ctrlr', help='controller name')
2475    p.add_argument('--cpumask', help='cpu mask for this controller')
2476    p.set_defaults(func=vhost_create_scsi_controller)
2477
2478    def vhost_scsi_controller_add_target(args):
2479        print_json(rpc.vhost.vhost_scsi_controller_add_target(args.client,
2480                                                              ctrlr=args.ctrlr,
2481                                                              scsi_target_num=args.scsi_target_num,
2482                                                              bdev_name=args.bdev_name))
2483
2484    p = subparsers.add_parser('vhost_scsi_controller_add_target', help='Add lun to vhost controller')
2485    p.add_argument('ctrlr', help='controller name where add lun')
2486    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2487    p.add_argument('bdev_name', help='bdev name')
2488    p.set_defaults(func=vhost_scsi_controller_add_target)
2489
2490    def vhost_scsi_controller_remove_target(args):
2491        rpc.vhost.vhost_scsi_controller_remove_target(args.client,
2492                                                      ctrlr=args.ctrlr,
2493                                                      scsi_target_num=args.scsi_target_num)
2494
2495    p = subparsers.add_parser('vhost_scsi_controller_remove_target',
2496                              help='Remove target from vhost controller')
2497    p.add_argument('ctrlr', help='controller name to remove target from')
2498    p.add_argument('scsi_target_num', help='scsi_target_num', type=int)
2499    p.set_defaults(func=vhost_scsi_controller_remove_target)
2500
2501    def vhost_create_blk_controller(args):
2502        rpc.vhost.vhost_create_blk_controller(**vars(args))
2503
2504    p = subparsers.add_parser('vhost_create_blk_controller', help='Add a new vhost block controller')
2505    p.add_argument('ctrlr', help='controller name')
2506    p.add_argument('dev_name', help='device name')
2507    p.add_argument('--cpumask', help='cpu mask for this controller')
2508    p.add_argument('--transport', help='virtio blk transport name (default: vhost_user_blk)')
2509    p.add_argument("-r", "--readonly", action='store_true', help='Set controller as read-only')
2510    p.add_argument("-p", "--packed_ring", action='store_true', help='Set controller as packed ring supported')
2511    p.add_argument("-l", "--packed_ring_recovery", action='store_true', help='Enable packed ring live recovery')
2512    p.set_defaults(func=vhost_create_blk_controller)
2513
2514    def vhost_get_controllers(args):
2515        print_dict(rpc.vhost.vhost_get_controllers(args.client, args.name))
2516
2517    p = subparsers.add_parser('vhost_get_controllers', help='List all or specific vhost controller(s)')
2518    p.add_argument('-n', '--name', help="Name of vhost controller", required=False)
2519    p.set_defaults(func=vhost_get_controllers)
2520
2521    def vhost_delete_controller(args):
2522        rpc.vhost.vhost_delete_controller(args.client,
2523                                          ctrlr=args.ctrlr)
2524
2525    p = subparsers.add_parser('vhost_delete_controller', help='Delete a vhost controller')
2526    p.add_argument('ctrlr', help='controller name')
2527    p.set_defaults(func=vhost_delete_controller)
2528
2529    def bdev_virtio_attach_controller(args):
2530        print_array(rpc.vhost.bdev_virtio_attach_controller(args.client,
2531                                                            name=args.name,
2532                                                            trtype=args.trtype,
2533                                                            traddr=args.traddr,
2534                                                            dev_type=args.dev_type,
2535                                                            vq_count=args.vq_count,
2536                                                            vq_size=args.vq_size))
2537
2538    p = subparsers.add_parser('bdev_virtio_attach_controller',
2539                              help="""Attach virtio controller using provided
2540    transport type and device type. This will also create bdevs for any block devices connected to the
2541    controller (for example, SCSI devices for a virtio-scsi controller).
2542    Result is array of added bdevs.""")
2543    p.add_argument('name', help="Use this name as base for new created bdevs")
2544    p.add_argument('-t', '--trtype',
2545                   help='Virtio target transport type: pci or user', required=True)
2546    p.add_argument('-a', '--traddr',
2547                   help='Transport type specific target address: e.g. UNIX domain socket path or BDF', required=True)
2548    p.add_argument('-d', '--dev-type',
2549                   help='Device type: blk or scsi', required=True)
2550    p.add_argument('--vq-count', help='Number of virtual queues to be used.', type=int)
2551    p.add_argument('--vq-size', help='Size of each queue', type=int)
2552    p.set_defaults(func=bdev_virtio_attach_controller)
2553
2554    def bdev_virtio_scsi_get_devices(args):
2555        print_dict(rpc.vhost.bdev_virtio_scsi_get_devices(args.client))
2556
2557    p = subparsers.add_parser('bdev_virtio_scsi_get_devices', help='List all Virtio-SCSI devices.')
2558    p.set_defaults(func=bdev_virtio_scsi_get_devices)
2559
2560    def bdev_virtio_detach_controller(args):
2561        rpc.vhost.bdev_virtio_detach_controller(args.client,
2562                                                name=args.name)
2563
2564    p = subparsers.add_parser('bdev_virtio_detach_controller', help="""Remove a Virtio device
2565    This will delete all bdevs exposed by this device""")
2566    p.add_argument('name', help='Virtio device name. E.g. VirtioUser0')
2567    p.set_defaults(func=bdev_virtio_detach_controller)
2568
2569    def bdev_virtio_blk_set_hotplug(args):
2570        rpc.vhost.bdev_virtio_blk_set_hotplug(args.client, enable=args.enable, period_us=args.period_us)
2571
2572    p = subparsers.add_parser('bdev_virtio_blk_set_hotplug', help='Set hotplug options for bdev virtio_blk type.')
2573    p.add_argument('-d', '--disable', dest='enable', default=False, action='store_false', help="Disable hotplug (default)")
2574    p.add_argument('-e', '--enable', dest='enable', action='store_true', help="Enable hotplug")
2575    p.add_argument('-r', '--period-us',
2576                   help='How often the hotplug is processed for insert and remove events', type=int)
2577    p.set_defaults(func=bdev_virtio_blk_set_hotplug)
2578
2579    # accel_fw
2580    def accel_get_opc_assignments(args):
2581        print_dict(rpc.accel.accel_get_opc_assignments(args.client))
2582
2583    p = subparsers.add_parser('accel_get_opc_assignments', help='Get list of opcode name to engine assignments.')
2584    p.set_defaults(func=accel_get_opc_assignments)
2585
2586    def accel_get_engine_info(args):
2587        print_dict(rpc.accel.accel_get_engine_info(args.client))
2588
2589    p = subparsers.add_parser('accel_get_engine_info', help='Get list of valid engine names and their operations.')
2590    p.set_defaults(func=accel_get_engine_info)
2591
2592    def accel_assign_opc(args):
2593        rpc.accel.accel_assign_opc(args.client, opname=args.opname, engine=args.engine)
2594
2595    p = subparsers.add_parser('accel_assign_opc', help='Manually assign an operation to an engine.')
2596    p.add_argument('-o', '--opname', help='opname')
2597    p.add_argument('-e', '--engine', help='name of engine')
2598    p.set_defaults(func=accel_assign_opc)
2599
2600    # ioat
2601    def ioat_scan_accel_engine(args):
2602        rpc.ioat.ioat_scan_accel_engine(args.client)
2603
2604    p = subparsers.add_parser('ioat_scan_accel_engine', help='Enable IOAT accel engine offload.')
2605    p.set_defaults(func=ioat_scan_accel_engine)
2606
2607    # dsa
2608    def dsa_scan_accel_engine(args):
2609        rpc.dsa.dsa_scan_accel_engine(args.client, config_kernel_mode=args.config_kernel_mode)
2610
2611    p = subparsers.add_parser('dsa_scan_accel_engine',
2612                              help='Set config and enable dsa accel engine offload.')
2613    p.add_argument('-k', '--config-kernel-mode', help='Use Kernel mode dsa',
2614                   action='store_true', dest='config_kernel_mode')
2615    p.set_defaults(func=dsa_scan_accel_engine, config_kernel_mode=None)
2616
2617    # iaa
2618    def iaa_scan_accel_engine(args):
2619        rpc.iaa.iaa_scan_accel_engine(args.client)
2620
2621    p = subparsers.add_parser('iaa_scan_accel_engine',
2622                              help='Set config and enable iaa accel engine offload.')
2623    p.set_defaults(func=iaa_scan_accel_engine)
2624
2625    # opal
2626    def bdev_nvme_opal_init(args):
2627        rpc.nvme.bdev_nvme_opal_init(args.client,
2628                                     nvme_ctrlr_name=args.nvme_ctrlr_name,
2629                                     password=args.password)
2630
2631    p = subparsers.add_parser('bdev_nvme_opal_init', help='take ownership and activate')
2632    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2633    p.add_argument('-p', '--password', help='password for admin')
2634    p.set_defaults(func=bdev_nvme_opal_init)
2635
2636    def bdev_nvme_opal_revert(args):
2637        rpc.nvme.bdev_nvme_opal_revert(args.client,
2638                                       nvme_ctrlr_name=args.nvme_ctrlr_name,
2639                                       password=args.password)
2640    p = subparsers.add_parser('bdev_nvme_opal_revert', help='Revert to default factory settings')
2641    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name')
2642    p.add_argument('-p', '--password', help='password')
2643    p.set_defaults(func=bdev_nvme_opal_revert)
2644
2645    def bdev_opal_create(args):
2646        print_json(rpc.bdev.bdev_opal_create(args.client,
2647                                             nvme_ctrlr_name=args.nvme_ctrlr_name,
2648                                             nsid=args.nsid,
2649                                             locking_range_id=args.locking_range_id,
2650                                             range_start=args.range_start,
2651                                             range_length=args.range_length,
2652                                             password=args.password))
2653
2654    p = subparsers.add_parser('bdev_opal_create', help="""Create opal bdev on specified NVMe controller""")
2655    p.add_argument('-b', '--nvme-ctrlr-name', help='nvme ctrlr name', required=True)
2656    p.add_argument('-n', '--nsid', help='namespace ID (only support nsid=1 for now)', type=int, required=True)
2657    p.add_argument('-i', '--locking-range-id', help='locking range id', type=int, required=True)
2658    p.add_argument('-s', '--range-start', help='locking range start LBA', type=int, required=True)
2659    p.add_argument('-l', '--range-length', help='locking range length (in blocks)', type=int, required=True)
2660    p.add_argument('-p', '--password', help='admin password', required=True)
2661    p.set_defaults(func=bdev_opal_create)
2662
2663    def bdev_opal_get_info(args):
2664        print_dict(rpc.bdev.bdev_opal_get_info(args.client,
2665                                               bdev_name=args.bdev_name,
2666                                               password=args.password))
2667
2668    p = subparsers.add_parser('bdev_opal_get_info', help='get opal locking range info for this bdev')
2669    p.add_argument('-b', '--bdev-name', help='opal bdev')
2670    p.add_argument('-p', '--password', help='password')
2671    p.set_defaults(func=bdev_opal_get_info)
2672
2673    def bdev_opal_delete(args):
2674        rpc.bdev.bdev_opal_delete(args.client,
2675                                  bdev_name=args.bdev_name,
2676                                  password=args.password)
2677
2678    p = subparsers.add_parser('bdev_opal_delete', help="""delete a virtual opal bdev""")
2679    p.add_argument('-b', '--bdev-name', help='opal virtual bdev', required=True)
2680    p.add_argument('-p', '--password', help='admin password', required=True)
2681    p.set_defaults(func=bdev_opal_delete)
2682
2683    def bdev_opal_new_user(args):
2684        rpc.bdev.bdev_opal_new_user(args.client,
2685                                    bdev_name=args.bdev_name,
2686                                    admin_password=args.admin_password,
2687                                    user_id=args.user_id,
2688                                    user_password=args.user_password)
2689
2690    p = subparsers.add_parser('bdev_opal_new_user', help="""Add a user to opal bdev who can set lock state for this bdev""")
2691    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2692    p.add_argument('-p', '--admin-password', help='admin password', required=True)
2693    p.add_argument('-i', '--user-id', help='ID for new user', type=int, required=True)
2694    p.add_argument('-u', '--user-password', help='password set for this user', required=True)
2695    p.set_defaults(func=bdev_opal_new_user)
2696
2697    def bdev_opal_set_lock_state(args):
2698        rpc.bdev.bdev_opal_set_lock_state(args.client,
2699                                          bdev_name=args.bdev_name,
2700                                          user_id=args.user_id,
2701                                          password=args.password,
2702                                          lock_state=args.lock_state)
2703
2704    p = subparsers.add_parser('bdev_opal_set_lock_state', help="""set lock state for an opal bdev""")
2705    p.add_argument('-b', '--bdev-name', help='opal bdev', required=True)
2706    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',
2707                   type=int, required=True)
2708    p.add_argument('-p', '--password', help='password of this user', required=True)
2709    p.add_argument('-l', '--lock-state', help='lock state to set, choose from {readwrite, readonly, rwlock}', required=True)
2710    p.set_defaults(func=bdev_opal_set_lock_state)
2711
2712    # bdev_nvme_send_cmd
2713    def bdev_nvme_send_cmd(args):
2714        print_dict(rpc.nvme.bdev_nvme_send_cmd(args.client,
2715                                               name=args.nvme_name,
2716                                               cmd_type=args.cmd_type,
2717                                               data_direction=args.data_direction,
2718                                               cmdbuf=args.cmdbuf,
2719                                               data=args.data,
2720                                               metadata=args.metadata,
2721                                               data_len=args.data_length,
2722                                               metadata_len=args.metadata_length,
2723                                               timeout_ms=args.timeout_ms))
2724
2725    p = subparsers.add_parser('bdev_nvme_send_cmd', help='NVMe passthrough cmd.')
2726    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""")
2727    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""")
2728    p.add_argument('-r', '--data-direction', help="""Direction of data transfer. Valid values are: c2h, h2c""")
2729    p.add_argument('-c', '--cmdbuf', help="""NVMe command encoded by base64 urlsafe""")
2730    p.add_argument('-d', '--data', help="""Data transferring to controller from host, encoded by base64 urlsafe""")
2731    p.add_argument('-m', '--metadata', help="""Metadata transferring to controller from host, encoded by base64 urlsafe""")
2732    p.add_argument('-D', '--data-length', help="""Data length required to transfer from controller to host""", type=int)
2733    p.add_argument('-M', '--metadata-length', help="""Metadata length required to transfer from controller to host""", type=int)
2734    p.add_argument('-T', '--timeout-ms',
2735                   help="""Command execution timeout value, in milliseconds,  if 0, don't track timeout""", type=int)
2736    p.set_defaults(func=bdev_nvme_send_cmd)
2737
2738    # Notifications
2739    def notify_get_types(args):
2740        print_dict(rpc.notify.notify_get_types(args.client))
2741
2742    p = subparsers.add_parser('notify_get_types', help='List available notifications that user can subscribe to.')
2743    p.set_defaults(func=notify_get_types)
2744
2745    def notify_get_notifications(args):
2746        ret = rpc.notify.notify_get_notifications(args.client,
2747                                                  id=args.id,
2748                                                  max=args.max)
2749        print_dict(ret)
2750
2751    p = subparsers.add_parser('notify_get_notifications', help='Get notifications')
2752    p.add_argument('-i', '--id', help="""First ID to start fetching from""", type=int)
2753    p.add_argument('-n', '--max', help="""Maximum number of notifications to return in response""", type=int)
2754    p.set_defaults(func=notify_get_notifications)
2755
2756    def thread_get_stats(args):
2757        print_dict(rpc.app.thread_get_stats(args.client))
2758
2759    p = subparsers.add_parser(
2760        'thread_get_stats', help='Display current statistics of all the threads')
2761    p.set_defaults(func=thread_get_stats)
2762
2763    def thread_set_cpumask(args):
2764        ret = rpc.app.thread_set_cpumask(args.client,
2765                                         id=args.id,
2766                                         cpumask=args.cpumask)
2767    p = subparsers.add_parser('thread_set_cpumask',
2768                              help="""set the cpumask of the thread whose ID matches to the
2769    specified value. The thread may be migrated to one of the specified CPUs.""")
2770    p.add_argument('-i', '--id', type=int, help='thread ID')
2771    p.add_argument('-m', '--cpumask', help='cpumask for this thread')
2772    p.set_defaults(func=thread_set_cpumask)
2773
2774    def log_enable_timestamps(args):
2775        ret = rpc.app.log_enable_timestamps(args.client,
2776                                            enabled=args.enabled)
2777    p = subparsers.add_parser('log_enable_timestamps',
2778                              help='Enable or disable timestamps.')
2779    p.add_argument('-d', '--disable', dest='enabled', default=False, action='store_false', help="Disable timestamps")
2780    p.add_argument('-e', '--enable', dest='enabled', action='store_true', help="Enable timestamps")
2781    p.set_defaults(func=log_enable_timestamps)
2782
2783    def thread_get_pollers(args):
2784        print_dict(rpc.app.thread_get_pollers(args.client))
2785
2786    p = subparsers.add_parser(
2787        'thread_get_pollers', help='Display current pollers of all the threads')
2788    p.set_defaults(func=thread_get_pollers)
2789
2790    def thread_get_io_channels(args):
2791        print_dict(rpc.app.thread_get_io_channels(args.client))
2792
2793    p = subparsers.add_parser(
2794        'thread_get_io_channels', help='Display current IO channels of all the threads')
2795    p.set_defaults(func=thread_get_io_channels)
2796
2797    def env_dpdk_get_mem_stats(args):
2798        print_dict(rpc.env_dpdk.env_dpdk_get_mem_stats(args.client))
2799
2800    p = subparsers.add_parser(
2801        'env_dpdk_get_mem_stats', help='write the dpdk memory stats to a file.')
2802    p.set_defaults(func=env_dpdk_get_mem_stats)
2803
2804    # blobfs
2805    def blobfs_detect(args):
2806        print(rpc.blobfs.blobfs_detect(args.client,
2807                                       bdev_name=args.bdev_name))
2808
2809    p = subparsers.add_parser('blobfs_detect', help='Detect whether a blobfs exists on bdev')
2810    p.add_argument('bdev_name', help='Blockdev name to detect blobfs. Example: Malloc0.')
2811    p.set_defaults(func=blobfs_detect)
2812
2813    def blobfs_create(args):
2814        print(rpc.blobfs.blobfs_create(args.client,
2815                                       bdev_name=args.bdev_name,
2816                                       cluster_sz=args.cluster_sz))
2817
2818    p = subparsers.add_parser('blobfs_create', help='Build a blobfs on bdev')
2819    p.add_argument('bdev_name', help='Blockdev name to build blobfs. Example: Malloc0.')
2820    p.add_argument('-c', '--cluster-sz',
2821                   help="""Size of cluster in bytes (Optional). Must be multiple of 4KB page size. Default and minimal value is 1M.""")
2822    p.set_defaults(func=blobfs_create)
2823
2824    def blobfs_mount(args):
2825        print(rpc.blobfs.blobfs_mount(args.client,
2826                                      bdev_name=args.bdev_name,
2827                                      mountpoint=args.mountpoint))
2828
2829    p = subparsers.add_parser('blobfs_mount', help='Mount a blobfs on bdev to host path by FUSE')
2830    p.add_argument('bdev_name', help='Blockdev name where the blobfs is. Example: Malloc0.')
2831    p.add_argument('mountpoint', help='Mountpoint path in host to mount blobfs. Example: /mnt/.')
2832    p.set_defaults(func=blobfs_mount)
2833
2834    def blobfs_set_cache_size(args):
2835        print(rpc.blobfs.blobfs_set_cache_size(args.client,
2836                                               size_in_mb=args.size_in_mb))
2837
2838    p = subparsers.add_parser('blobfs_set_cache_size', help='Set cache size for blobfs')
2839    p.add_argument('size_in_mb', help='Cache size for blobfs in megabytes.', type=int)
2840    p.set_defaults(func=blobfs_set_cache_size)
2841
2842    # sock
2843    def sock_impl_get_options(args):
2844        print_json(rpc.sock.sock_impl_get_options(args.client,
2845                                                  impl_name=args.impl))
2846
2847    p = subparsers.add_parser('sock_impl_get_options', help="""Get options of socket layer implementation""")
2848    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2849    p.set_defaults(func=sock_impl_get_options)
2850
2851    def sock_impl_set_options(args):
2852        rpc.sock.sock_impl_set_options(args.client,
2853                                       impl_name=args.impl,
2854                                       recv_buf_size=args.recv_buf_size,
2855                                       send_buf_size=args.send_buf_size,
2856                                       enable_recv_pipe=args.enable_recv_pipe,
2857                                       enable_quickack=args.enable_quickack,
2858                                       enable_placement_id=args.enable_placement_id,
2859                                       enable_zerocopy_send_server=args.enable_zerocopy_send_server,
2860                                       enable_zerocopy_send_client=args.enable_zerocopy_send_client,
2861                                       zerocopy_threshold=args.zerocopy_threshold,
2862                                       tls_version=args.tls_version,
2863                                       enable_ktls=args.enable_ktls,
2864                                       psk_key=args.psk_key,
2865                                       psk_identity=args.psk_identity)
2866
2867    p = subparsers.add_parser('sock_impl_set_options', help="""Set options of socket layer implementation""")
2868    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2869    p.add_argument('-r', '--recv-buf-size', help='Size of receive buffer on socket in bytes', type=int)
2870    p.add_argument('-s', '--send-buf-size', help='Size of send buffer on socket in bytes', type=int)
2871    p.add_argument('-p', '--enable-placement-id', help='Option for placement-id. 0:disable,1:incoming_napi,2:incoming_cpu', type=int)
2872    p.add_argument('--enable-recv-pipe', help='Enable receive pipe',
2873                   action='store_true', dest='enable_recv_pipe')
2874    p.add_argument('--disable-recv-pipe', help='Disable receive pipe',
2875                   action='store_false', dest='enable_recv_pipe')
2876    p.add_argument('--enable-quickack', help='Enable quick ACK',
2877                   action='store_true', dest='enable_quickack')
2878    p.add_argument('--disable-quickack', help='Disable quick ACK',
2879                   action='store_false', dest='enable_quickack')
2880    p.add_argument('--enable-zerocopy-send-server', help='Enable zerocopy on send for server sockets',
2881                   action='store_true', dest='enable_zerocopy_send_server')
2882    p.add_argument('--disable-zerocopy-send-server', help='Disable zerocopy on send for server sockets',
2883                   action='store_false', dest='enable_zerocopy_send_server')
2884    p.add_argument('--enable-zerocopy-send-client', help='Enable zerocopy on send for client sockets',
2885                   action='store_true', dest='enable_zerocopy_send_client')
2886    p.add_argument('--disable-zerocopy-send-client', help='Disable zerocopy on send for client sockets',
2887                   action='store_false', dest='enable_zerocopy_send_client')
2888    p.add_argument('--zerocopy-threshold', help='Set zerocopy_threshold in bytes', type=int)
2889    p.add_argument('--tls-version', help='TLS protocol version', type=int)
2890    p.add_argument('--enable-ktls', help='Enable Kernel TLS',
2891                   action='store_true', dest='enable_ktls')
2892    p.add_argument('--disable-ktls', help='Disable Kernel TLS',
2893                   action='store_false', dest='enable_ktls')
2894    p.add_argument('--psk-key', help='Set default PSK KEY', dest='psk_key')
2895    p.add_argument('--psk-identity', help='Set default PSK ID', dest='psk_identity')
2896    p.set_defaults(func=sock_impl_set_options, enable_recv_pipe=None, enable_quickack=None,
2897                   enable_placement_id=None, enable_zerocopy_send_server=None, enable_zerocopy_send_client=None,
2898                   zerocopy_threshold=None, tls_version=None, enable_ktls=None, psk_key=None, psk_identity=None)
2899
2900    def sock_set_default_impl(args):
2901        print_json(rpc.sock.sock_set_default_impl(args.client,
2902                                                  impl_name=args.impl))
2903
2904    p = subparsers.add_parser('sock_set_default_impl', help="""Set the default sock implementation""")
2905    p.add_argument('-i', '--impl', help='Socket implementation name, e.g. posix', required=True)
2906    p.set_defaults(func=sock_set_default_impl)
2907
2908    def framework_get_pci_devices(args):
2909        def splitbuf(buf, step):
2910            return [buf[i:i+step] for i in range(0, len(buf), step)]
2911
2912        devices = rpc.subsystem.framework_get_pci_devices(args.client)
2913        if not args.format_lspci:
2914            print_json(devices)
2915        else:
2916            for devid, dev in enumerate(devices):
2917                print('{} device #{}'.format(dev['address'], devid))
2918                for lineid, line in enumerate(splitbuf(dev['config_space'], 32)):
2919                    print('{:02x}: {}'.format(lineid * 16, ' '.join(splitbuf(line.lower(), 2))))
2920                print()
2921
2922    p = subparsers.add_parser('framework_get_pci_devices', help='''Get a list of attached PCI devices''')
2923    p.add_argument('--format-lspci', help='Format the output in a way to be consumed by lspci -F',
2924                   action='store_true')
2925    p.set_defaults(func=framework_get_pci_devices)
2926
2927    # bdev_nvme_add_error_injection
2928    def bdev_nvme_add_error_injection(args):
2929        print_dict(rpc.nvme.bdev_nvme_add_error_injection(args.client,
2930                                                          name=args.nvme_name,
2931                                                          cmd_type=args.cmd_type,
2932                                                          opc=args.opc,
2933                                                          do_not_submit=args.do_not_submit,
2934                                                          timeout_in_us=args.timeout_in_us,
2935                                                          err_count=args.err_count,
2936                                                          sct=args.sct,
2937                                                          sc=args.sc))
2938    p = subparsers.add_parser('bdev_nvme_add_error_injection',
2939                              help='Add a NVMe command error injection.')
2940    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
2941    p.add_argument('-t', '--cmd-type', help="""Type of NVMe command. Valid values are: admin, io""", required=True)
2942    p.add_argument('-o', '--opc', help="""Opcode of the NVMe command.""", required=True, type=int)
2943    p.add_argument('-s', '--do-not-submit',
2944                   help="""Set to true if request should not be submitted to the controller""",
2945                   dest="do_not_submit", action='store_true')
2946    p.add_argument('-w', '--timeout-in-us', help="""Wait specified microseconds when do_not_submit is true""", type=int)
2947    p.add_argument('-e', '--err-count', help="""Number of matching NVMe commands to inject errors""", type=int)
2948    p.add_argument('-u', '--sct', help="""Status code type""", type=int)
2949    p.add_argument('-c', '--sc', help="""Status code""", type=int)
2950    p.set_defaults(func=bdev_nvme_add_error_injection)
2951
2952    # bdev_nvme_remove_error_injection
2953    def bdev_nvme_remove_error_injection(args):
2954        print_dict(rpc.nvme.bdev_nvme_remove_error_injection(args.client,
2955                                                             name=args.nvme_name,
2956                                                             cmd_type=args.cmd_type,
2957                                                             opc=args.opc))
2958    p = subparsers.add_parser('bdev_nvme_remove_error_injection',
2959                              help='Removes a NVMe command error injection.')
2960    p.add_argument('-n', '--nvme-name', help="""Name of the operating NVMe controller""", required=True)
2961    p.add_argument('-t', '--cmd-type', help="""Type of nvme cmd. Valid values are: admin, io""", required=True)
2962    p.add_argument('-o', '--opc', help="""Opcode of the nvme cmd.""", required=True, type=int)
2963    p.set_defaults(func=bdev_nvme_remove_error_injection)
2964
2965    def bdev_daos_create(args):
2966        num_blocks = (args.total_size * 1024 * 1024) // args.block_size
2967        print_json(rpc.bdev.bdev_daos_create(args.client,
2968                                             num_blocks=int(num_blocks),
2969                                             block_size=args.block_size,
2970                                             name=args.name,
2971                                             uuid=args.uuid,
2972                                             pool=args.pool,
2973                                             cont=args.cont))
2974    p = subparsers.add_parser('bdev_daos_create',
2975                              help='Create a bdev with DAOS backend')
2976    p.add_argument('name', help="Name of the bdev")
2977    p.add_argument('pool', help="UUID of the DAOS pool")
2978    p.add_argument('cont', help="UUID of the DAOS container")
2979    p.add_argument(
2980        'total_size', help='Size of DAOS bdev in MB (float > 0)', type=float)
2981    p.add_argument('block_size', help='Block size for this bdev', type=int)
2982    p.add_argument('-u', '--uuid', help="UUID of the bdev")
2983    p.set_defaults(func=bdev_daos_create)
2984
2985    def bdev_daos_delete(args):
2986        rpc.bdev.bdev_daos_delete(args.client,
2987                                  name=args.name)
2988
2989    p = subparsers.add_parser('bdev_daos_delete',
2990                              help='Delete a DAOS disk')
2991    p.add_argument('name', help='DAOS bdev name')
2992    p.set_defaults(func=bdev_daos_delete)
2993
2994    def check_called_name(name):
2995        if name in deprecated_aliases:
2996            print("{} is deprecated, use {} instead.".format(name, deprecated_aliases[name]), file=sys.stderr)
2997
2998    class dry_run_client:
2999        def call(self, method, params=None):
3000            print("Request:\n" + json.dumps({"method": method, "params": params}, indent=2))
3001
3002    def null_print(arg):
3003        pass
3004
3005    def call_rpc_func(args):
3006        args.func(args)
3007        check_called_name(args.called_rpc_name)
3008
3009    def execute_script(parser, client, fd):
3010        executed_rpc = ""
3011        for rpc_call in map(str.rstrip, fd):
3012            if not rpc_call.strip():
3013                continue
3014            executed_rpc = "\n".join([executed_rpc, rpc_call])
3015            rpc_args = shlex.split(rpc_call)
3016            if rpc_args[0][0] == '#':
3017                # Ignore lines starting with # - treat them as comments
3018                continue
3019            args = parser.parse_args(rpc_args)
3020            args.client = client
3021            try:
3022                call_rpc_func(args)
3023            except JSONRPCException as ex:
3024                print("Exception:")
3025                print(executed_rpc.strip() + " <<<")
3026                print(ex.message)
3027                exit(1)
3028
3029    def load_plugin(args):
3030        # Create temporary parser, pull out the plugin parameter, load the module, and then run the real argument parser
3031        plugin_parser = argparse.ArgumentParser(add_help=False)
3032        plugin_parser.add_argument('--plugin', dest='rpc_plugin', help='Module name of plugin with additional RPC commands')
3033
3034        rpc_module = plugin_parser.parse_known_args()[0].rpc_plugin
3035        if args is not None:
3036            rpc_module = plugin_parser.parse_known_args(args)[0].rpc_plugin
3037
3038        if rpc_module is not None:
3039            try:
3040                rpc_plugin = importlib.import_module(rpc_module)
3041                try:
3042                    rpc_plugin.spdk_rpc_plugin_initialize(subparsers)
3043                except AttributeError:
3044                    print("Module %s does not contain 'spdk_rpc_plugin_initialize' function" % rpc_module)
3045            except ModuleNotFoundError:
3046                print("Module %s not found" % rpc_module)
3047
3048    def replace_arg_underscores(args):
3049        # All option names are defined with dashes only - for example: --tgt-name
3050        # But if user used underscores, convert them to dashes (--tgt_name => --tgt-name)
3051        # SPDK was inconsistent previously and had some options with underscores, so
3052        # doing this conversion ensures backward compatibility with older scripts.
3053        for i in range(len(args)):
3054            arg = args[i]
3055            if arg.startswith('--') and "_" in arg:
3056                args[i] = arg.replace('_', '-')
3057
3058    load_plugin(None)
3059
3060    replace_arg_underscores(sys.argv)
3061
3062    args = parser.parse_args()
3063
3064    if sys.stdin.isatty() and not hasattr(args, 'func'):
3065        # No arguments and no data piped through stdin
3066        parser.print_help()
3067        exit(1)
3068    if args.is_server:
3069        for input in sys.stdin:
3070            cmd = shlex.split(input)
3071            replace_arg_underscores(cmd)
3072            try:
3073                load_plugin(cmd)
3074                tmp_args = parser.parse_args(cmd)
3075            except SystemExit as ex:
3076                print("**STATUS=1", flush=True)
3077                continue
3078
3079            try:
3080                tmp_args.client = rpc.client.JSONRPCClient(
3081                    tmp_args.server_addr, tmp_args.port, tmp_args.timeout,
3082                    log_level=getattr(logging, tmp_args.verbose.upper()), conn_retries=tmp_args.conn_retries)
3083                call_rpc_func(tmp_args)
3084                print("**STATUS=0", flush=True)
3085            except JSONRPCException as ex:
3086                print(ex.message)
3087                print("**STATUS=1", flush=True)
3088        exit(0)
3089    elif args.dry_run:
3090        args.client = dry_run_client()
3091        print_dict = null_print
3092        print_json = null_print
3093        print_array = null_print
3094    else:
3095        try:
3096            args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.timeout,
3097                                                   log_level=getattr(logging, args.verbose.upper()),
3098                                                   conn_retries=args.conn_retries)
3099        except JSONRPCException as ex:
3100            print(ex.message)
3101            exit(1)
3102
3103    if hasattr(args, 'func'):
3104        try:
3105            call_rpc_func(args)
3106        except JSONRPCException as ex:
3107            print(ex.message)
3108            exit(1)
3109    else:
3110        execute_script(parser, args.client, sys.stdin)
3111