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Message-ID: <55023.1688073781@warthog.procyon.org.uk>
Date:   Thu, 29 Jun 2023 22:23:01 +0100
From:   David Howells <dhowells@...hat.com>
To:     Sagi Grimberg <sagi@...mberg.me>
Cc:     dhowells@...hat.com, Aurelien Aptel <aaptel@...dia.com>,
        netdev@...r.kernel.org,
        Alexander Duyck <alexander.duyck@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        David Ahern <dsahern@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Willem de Bruijn <willemb@...gle.com>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Chaitanya Kulkarni <kch@...dia.com>,
        linux-nvme@...ts.infradead.org
Subject: Re: [PATCH net-next v3 10/18] nvme/host: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage

Sagi Grimberg <sagi@...mberg.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?

David

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