nvmetcli: update README

Most usage information has moved to the manpage.  Also add a blurb
that bugs reports should go to the linux-nvme list.

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: Adding manpage/html generation

Signed-off-by: Jay Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: add python-six to rpm package building

From experience, if python-six isn't installed on a Fedora
system, hard-to-decipher errors can occur trying to use
nvmetcli.

Signed-off-by: Jay Freyensee <james.p.freyensee@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: Fix nvmet import

We should just need to import nvmet, which will run __init__.py and import
just the public things from nvmet/nvme.py.

Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

Use relative import in nvmet/__init__.py

This is supported by Python 2.7 and later.

Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: README description of discovery

Some blurbs on discovery and the connection
between using nvmetcli to set up an NVMe target and
what gets seen by an NVMe Host when accessing
the discovery controller.

Signed-off-by: Jay Freyensee <james_p_freyensee@linux.intel.com>

nvmetcli: More refined cleanup of README

Adds a few more tidbits to the README file, minus
discovery/referral info (still WIP).

Signed-off-by: Jay Freyensee <james_p_freyensee@linux.intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: Updated README to current functionality

Also added a referrals/discovery placeholder TBD section.

Signed-off-by: Jay Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

add RPM packaging

Build and install tested on Fedora 23.

Signed-off-by: Christoph Hellwig <hch@lst.de>

add a systemd unit file

This restores the configuration when started and clears it when shut down.

Signed-off-by: Christoph Hellwig <hch@lst.de>

add Debian packaging

Signed-off-by: Christoph Hellwig <hch@lst.de>

move the default config into a /etc/nvmet/

no need to clutter /etc directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>

rename README.md to README

Seems like our code examples aren't valid markdown..

Reported-by: Steve Wise <swise@chelsio.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

update README and examples

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: add descriptions for all configfs attributes

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: remove broken automatic portid assignment

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet,nvmetcli: support referrals

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: small fixes and cleanups

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet,nvmetcli: support per-port subsystem enablement

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet,nvmetcli: add support for host NQN based access control

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: fix a couple see also references

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvme: a couple typo fixes

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: fix attribute listing

We only want to split at the first underscore, not at any.

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet, nvmetcli: add support for NVMe ports

Signed-off-by: Christoph Hellwig <hch@lst.de>

tests: check for invalid subsystem names

Signed-off-by: Christoph Hellwig <hch@lst.de>

tests: check that the nguid is properly saved and restored

Signed-off-by: Christoph Hellwig <hch@lst.de>

update default config file

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: improve enable semantics

Allow for a None state of the _enable variable, and use that fact to
automatically set up the enabled state in the primary Node class.

Signed-off-by: Christoph Hellwig <hch@lst.de>

pep8

Signed-off-by: Christoph Hellwig <hch@lst.de>

tests: initial version of the testsuite

This requires nose2 and can be run using make test

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: reject Namespace and Subsystems lookups without identifier

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: fix invalid access to self.subsystems in the Namespace constructor

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet, nvmetcli: implement enable/disable semantics

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: improve error reporting

Report a nice error message in red instead of a python backtrace.

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: add description strings for the Namespace class

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: introduce UINode class

This allows calling saveconfig from each context, and factors some common
group handling code.

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: make attr_groups public for nvmetcli

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: remove the unused Controllers and Controller classes

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: remove unused DEFAULT_SAVE_FILE defintion

Signed-off-by: Christoph Hellwig <hch@lst.de>

Ensure internal buffers are flushed json after dumping json to disk

A power-outage, unexpected reboot, etc can lead to zero byte file
after a saveconfig.

Based on a rtslib-fb patch from Jon Magrini <jmagrini@redhat.com>.

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: fix up various docstrings

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: fix up the default config file to agree with the documentation

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: 0 is not a valid namespace ID

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmet: load the nvmet module if not already loaded

Signed-off-by: Christoph Hellwig <hch@lst.de>

nvmetcli: print a useful warning when not called as root user

Signed-off-by: Christoph Hellwig <hch@lst.de>

initial public release