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Marta Rybczynska 65e68edce0 nvme: allow 64-bit results in passthru commands
It is not possible to get 64-bit results from the passthru commands,
what prevents from getting for the Capabilities (CAP) property value.

As a result, it is not possible to implement IOL's NVMe Conformance
test 4.3 Case 1 for Fabrics targets [1] (page 123).

This issue has been already discussed [2], but without a solution.

This patch solves the problem by adding new ioctls with a new
passthru structure, including 64-bit results. The older ioctls stay
unchanged.

[1] https://www.iol.unh.edu/sites/default/files/testsuites/nvme/UNH-IOL_NVMe_Conformance_Test_Suite_v11.0.pdf
[2] http://lists.infradead.org/pipermail/linux-nvme/2018-June/018791.html

Signed-off-by: Marta Rybczynska <marta.rybczynska@kalray.eu>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
2019-09-25 12:53:27 -07:00
arch Merge branch 'for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 2019-09-17 15:58:50 -07:00
block block: drop device references in bsg_queue_rq() 2019-09-23 11:17:24 -06:00
certs
crypto
Documentation for-5.4/block-2019-09-16 2019-09-17 16:57:47 -07:00
drivers nvme: allow 64-bit results in passthru commands 2019-09-25 12:53:27 -07:00
fs for-5.4/block-2019-09-16 2019-09-17 16:57:47 -07:00
include nvme: allow 64-bit results in passthru commands 2019-09-25 12:53:27 -07:00
init
ipc
kernel Merge branch 'for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2019-09-17 15:57:22 -07:00
lib for-5.4/block-2019-09-16 2019-09-17 16:57:47 -07:00
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scripts It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
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tools for-5.4/block-2019-09-16 2019-09-17 16:57:47 -07:00
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.mailmap It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.