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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> |
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