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| author | Logan Gunthorpe <logang@deltatee.com> | 2020-07-24 11:25:19 -0600 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-29 07:45:21 +0200 |
| commit | cae5b01a2afc2058bee94b4b8f873d3a4a9ec41e (patch) | |
| tree | 78f740284dd55f02b1997b986930f46bc6bbc077 /drivers/nvme/target/nvmet.h | |
| parent | ba76af676cd0514614b5a99b8adad9d3956f5d7d (diff) | |
| download | lwn-cae5b01a2afc2058bee94b4b8f873d3a4a9ec41e.tar.gz lwn-cae5b01a2afc2058bee94b4b8f873d3a4a9ec41e.zip | |
nvmet: introduce the passthru configfs interface
When CONFIG_NVME_TARGET_PASSTHRU as 'passthru' directory will
be added to each subsystem. The directory is similar to a namespace
and has two attributes: device_path and enable. The user must set the
path to the nvme controller's char device and write '1' to enable the
subsystem to use passthru.
Any given subsystem is prevented from enabling both a regular namespace
and the passthru device. If one is enabled, enabling the other will
produce an error.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 9d0aa6560c0c..47ee3fb193bd 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -248,6 +248,7 @@ struct nvmet_subsys { #ifdef CONFIG_NVME_TARGET_PASSTHRU struct nvme_ctrl *passthru_ctrl; char *passthru_ctrl_path; + struct config_group passthru_group; #endif /* CONFIG_NVME_TARGET_PASSTHRU */ }; |