84 lines
2.1 KiB
Plaintext
84 lines
2.1 KiB
Plaintext
# Copyright (c) 2022 Intel Corporation
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
menuconfig NVME
|
|
bool "NVMe disk"
|
|
depends on PCIE
|
|
select PCIE_MSI_X
|
|
select PCIE_MSI_MULTI_VECTOR
|
|
help
|
|
NVMe disk(s) might be present on the system through PCIe, enable this
|
|
driver to support these. It will enable MSI-X and MSI multi-vector
|
|
support
|
|
|
|
if NVME
|
|
|
|
config NVME_ADMIN_ENTRIES
|
|
int "Number of admin queue entries"
|
|
range 2 4096
|
|
default 256
|
|
help
|
|
This sets the amount of allocated admin queue entries.
|
|
Do not touch this unless you know what you are doing.
|
|
|
|
config NVME_IO_QUEUES
|
|
int "Number of IO queues"
|
|
range 1 65536
|
|
default 1
|
|
help
|
|
This sets the amount of allocated I/O queues.
|
|
Do not touch this unless you know what you are doing.
|
|
|
|
config NVME_IO_ENTRIES
|
|
int "Number of IO queue entries"
|
|
range 2 65536
|
|
default 256
|
|
help
|
|
This sets the amount of allocated IO queue entries.
|
|
Do not touch this unless you know what you are doing.
|
|
|
|
config NVME_RETRY_COUNT
|
|
int "Retry count"
|
|
default 2
|
|
help
|
|
This sets the amount of possible retries per-request.
|
|
Do not touch this unless you know what you are doing.
|
|
|
|
config NVME_REQUEST_TIMEOUT
|
|
int "Timeout period for NVMe request"
|
|
range 5 120
|
|
default 5
|
|
help
|
|
This sets the waiting time for a request to succeed.
|
|
Do not touch this unless you know what you are doing.
|
|
|
|
config NVME_PRP_LIST_AMOUNT
|
|
int "Number of allocated PRP list"
|
|
default 2
|
|
help
|
|
This sets the amount of pre-allocated PRP list. Each list
|
|
can be used in a NVMe command to address memory where to
|
|
read or write data. Each PRP list is of page size be careful
|
|
on this number as it may take a sensible amount of memory.
|
|
|
|
config NVME_MAX_NAMESPACES
|
|
int "Maximum namespace to allocate"
|
|
range 1 16
|
|
default 1
|
|
help
|
|
This sets the maximum namespace to allocate. Note that there may
|
|
be much less to be actually instantiated at runtime.
|
|
This option can be used to reduce the memory usage a bit then.
|
|
|
|
config NVME_INT_PRIORITY
|
|
int "Interrupt priority"
|
|
default 2
|
|
help
|
|
Interrupt priority used for the MSI-X generated interrupts.
|
|
|
|
module = NVME
|
|
module-str = nvme
|
|
source "subsys/logging/Kconfig.template.log_config"
|
|
|
|
endif # NVME
|