IB/mlx4: Add mmap call to map the hardware clock

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In order to read the HCA's cycle counter efficiently in
user space, we need to map the HCA's register.
This is done through mmap call.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Matan Barak 2015-06-11 16:35:26 +03:00 • committed by Doug Ledford

parent 2528e33e68

commit 52033cfb5a

3 changed files with 45 additions and 1 deletions

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include/linux/mlx4/device.h

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