libxnvme_opts.h#

Structs#

xnvme_opts#

struct xnvme_opts#

xNVMe options

See also

xnvme_dev_open()

Public Members

const char *be#

Backend/system interface to use.

const char *dev#

Device manager/enumerator.

const char *mem#

Memory allocator to use for buffers.

const char *sync#

Synchronous Command-interface.

const char *async#
const char *admin#

Asynchronous Command-interface

Administrative Command-interface

uint32_t nsid#

Namespace identifier.

uint8_t rdonly#

OS open; for read only.

uint8_t wronly#

OS open; for write only.

uint8_t rdwr#

OS open; for read and write.

uint8_t create#

OS open; create if it does not exist.

uint8_t truncate#

OS open; truncate content.

uint8_t direct#

OS open; bypass OS-managed caching.

uint32_t create_mode#

OS file creation-mode.

uint8_t poll_io#

io_uring: enable io-polling

uint8_t poll_sq#

io_uring: enable sqthread-polling

uint8_t register_files#

io_uring: enable file-regirations

uint8_t register_buffers#

io_uring: enable buffer-registration

struct xnvme_opts_css css#

SPDK controller-setup: do command-set-selection.

uint32_t use_cmb_sqs#

SPDK controller-setup: use controller-memory-buffer for sq.

uint32_t shm_id#

SPDK multi-processing: shared-memory-id.

uint32_t main_core#

SPDK multi-processing: main-core.

const char *core_mask#

SPDK multi-processing: core-mask.

const char *adrfam#

SPDK fabrics: address-family, IPv4/IPv6.

const char *subnqn#

SPDK fabrics: Subsystem NQN.

const char *hostnqn#

SPDK fabrics: Host NQN.

uint32_t admin_timeout#

SPDK fabrics: enable admin command timeout.

uint32_t command_timeout#

SPDK fabrics: enable io command timeout.

uint32_t spdk_fabrics#

Is assigned a value by backend if SPDK uses fabrics.

uint32_t keep_alive_timeout_ms#

SPDK fabrics: set keep alive timeout.

xnvme_opts_css#

struct xnvme_opts_css#

SPDX-FileCopyrightText: Samsung Electronics Co., Ltd.

SPDX-License-Identifier: BSD-3-Clause

Public Members

uint32_t value#
uint32_t given#

Functions#

xnvme_opts_default#

struct xnvme_opts xnvme_opts_default(void)#

Returns an initialized option-struct with default values.

Returns:

Zero-initialized and with default values where applicable

xnvme_opts_set_defaults#

void xnvme_opts_set_defaults(struct xnvme_opts *opts)#

Initialize the given ‘opts’ with default values.