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Add functions for reading the current count of elements in each ring type.
Signed-off-by: Matias Elo <matias.elo@nokia.com>
Reviewed-by: Petri Savolainen <petri.savolainen@nokia.com>
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Store mask and data pointer in queue entry instead of ring
structure. Data is constant and can be stored among other
frequently used read only data. Also other ring type use
the same variables.
Signed-off-by: Petri Savolainen <petri.savolainen@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
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This ring can be used as simple FIFO when enqueue / dequeue
operation synchronization is not needed, or synchronization is
provided by an upper layer already.
Signed-off-by: Petri Savolainen <petri.savolainen@linaro.org>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
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