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crypto: hisilicon/qm - support get device state

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Support get device current state. The value 0 indicates that
the device is busy, and the value 1 indicates that the
device is idle. When the device is in suspended, 1 is returned.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Weili Qian
2024-01-12 18:25:45 +08:00
committed by Herbert Xu
parent cc342dba0d
commit 8413fe3e7f
4 changed files with 50 additions and 0 deletions
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7
Documentation/ABI/testing/debugfs-hisi-zip
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@@ -104,6 +104,13 @@ Description: QM debug registers(regs) read hardware register value. This
node is used to show the change of the qm registers value. This
node can be help users to check the change of register values.
What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_state
Date: Jan 2024
Contact: linux-crypto@vger.kernel.org
Description: Dump the state of the device.
0: busy, 1: idle.
Only available for PF, and take no other effect on ZIP.
What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/diff_regs
Date: Mar 2022
Contact: linux-crypto@vger.kernel.org