xref: /illumos-gate/usr/src/uts/common/io/nvme/nvme.conf (revision b3d69c058376d802cdebbced341adcb3253b113c)
1# This file and its contents are supplied under the terms of the
2# Common Development and Distribution License ("CDDL"), version 1.0.
3# You may only use this file in accordance with the terms of version
4# 1.0 of the CDDL.
5#
6# A full copy of the text of the CDDL should have accompanied this
7# source.  A copy of the CDDL is also available via the Internet at
8# http://www.illumos.org/license/CDDL.
9#
10#
11# Copyright 2016 Nexenta Systems, Inc. All rights reserved.
12# Copyright 2019 Western Digital Corporation
13#
14
15#
16# The driver was tested only against devices supporting v1.0 of the
17# NVMe specification. Uncomment this to be able to use devices conforming
18# to newer specifications.
19#strict-version=0;
20
21#
22# The driver does currently not support any vendor specific extension to the
23# specification. By default it will fault the device if it receives a vendor-
24# specific command status. Uncomment this to disable this behaviour.
25#ignore-unknown-vendor-status=1;
26
27#
28# The maximum length of the admin queue can be overridden here (16-4096).
29#admin-queue-len=256;
30
31#
32# The maximum length of the individual I/O submission queues can be
33# overriden here (16-65536).
34#io-squeue-len=1024;
35
36#
37# The maximum length of the individual I/O completion queues can be
38# overriden here (16-65536).
39#io-cqueue-len=2048;
40
41#
42# The number of submission queues can be configured here. The default is
43# to match submission queues 1 for 1 with completion queues.
44# The range is 1-65535.
45#max-submission-queues=65535;
46
47#
48# The number of completion queues can be configured here. The default is
49# one per interrupt vector. Should there be fewer completion queues than
50# vectors, the number of vectors is reduced. The number of completion
51# queues will also be limited to the number of submission queues.
52# The range is 1-65535.
53#max-completion-queues=65535;
54
55#
56# The maximum number of outstanding asynchronous event requests can
57# overridden here.
58#async-event-limit=10;
59
60#
61# Enable (1) or Disable (0) the volatile write cache, if present.
62#
63#volatile-write-cache-enable=1;
64
65#
66# The minimum physical block size to be reported to blkdev. This value must
67# be a power of 2 greater than or equal to 512.
68#
69#min-phys-block-size=512;
70