Re: [PATCH net-next v3 10/18] nvme/host: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage

Sagi Grimberg
2023-06-29T21:33:22Z

> Sagi Grimberg <sagi@grimberg.me> wrote:
>
>> simple way to check is to run:
>> nvme_trtype=tcp ./check nvme
>
> It says a lot of:
>
> nvme/002 (create many subsystems and test discovery) [not run]
> nvme is not available
> nvme_trtype=tcp is not supported in this test
> nvme/003 (test if we're sending keep-alives to a discovery controller) [not run]
> nvme is not available
> nvme/004 (test nvme and nvmet UUID NS descriptors) [not run]
> nvme is not available
> nvme/005 (reset local loopback target) [not run]
> nvme is not available
> ...
>
> I have the following NVMe config:
>
> # NVME Support
> CONFIG_NVME_COMMON=y
> CONFIG_NVME_CORE=y
> CONFIG_BLK_DEV_NVME=y
> CONFIG_NVME_MULTIPATH=y
> # CONFIG_NVME_VERBOSE_ERRORS is not set
> # CONFIG_NVME_HWMON is not set
> CONFIG_NVME_FABRICS=y
> # CONFIG_NVME_RDMA is not set
> # CONFIG_NVME_FC is not set
> CONFIG_NVME_TCP=y
> CONFIG_NVME_AUTH=y
> CONFIG_NVME_TARGET=y
> CONFIG_NVME_TARGET_PASSTHRU=y
> CONFIG_NVME_TARGET_LOOP=y
> # CONFIG_NVME_TARGET_RDMA is not set
> # CONFIG_NVME_TARGET_FC is not set
> CONFIG_NVME_TARGET_TCP=y
> CONFIG_NVME_TARGET_AUTH=y
> # end of NVME Support
> CONFIG_RTC_NVMEM=y
> CONFIG_NVMEM=y
> # CONFIG_NVMEM_SYSFS is not set
> # CONFIG_NVMEM_LAYOUT_SL28_VPD is not set
> # CONFIG_NVMEM_LAYOUT_ONIE_TLV is not set
> # CONFIG_NVMEM_RMEM is not set
>
> Can you tell me what I'm missing?

install nvme-cli.

nvme/010 is enough to reproduce I think:
nvme_trtype=tcp ./check nvme/010