| # 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_PAGE_SIZE |
| hex "NVMe PRP Page Size" |
| default MMU_PAGE_SIZE if MMU |
| default 0x1000 |
| help |
| Set the PRP page size. If MMU is enabled, this will default to the MMU page size. |
| |
| 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 |
