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Documentation: update debugfs doc for Hisilicon HPRE

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Update documentation describing DebugFS for function's QoS limiting.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Kai Ye 2022-01-04 16:29:19 +08:00 committed by Herbert Xu
parent f6fb93ccc8
commit 68ce6126e1
1 changed files with 10 additions and 0 deletions
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Documentation/ABI/testing/debugfs-hisi-hpre
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@ -27,6 +27,16 @@ Description: One HPRE controller has one PF and multiple VFs, each function
has a QM. Select the QM which below qm refers to.
Only available for PF.
What: /sys/kernel/debug/hisi_hpre/<bdf>/alg_qos
Date: Jun 2021
Contact: linux-crypto@vger.kernel.org
Description: The <bdf> is related the function for PF and VF.
HPRE driver supports to configure each function's QoS, the driver
supports to write <bdf> value to alg_qos in the host. Such as
"echo <bdf> value > alg_qos". The qos value is 1~1000, means
1/1000~1000/1000 of total QoS. The driver reading alg_qos to
get related QoS in the host and VM, Such as "cat alg_qos".
What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
Date: Sep 2019
Contact: linux-crypto@vger.kernel.org