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b492f82fce
Add debugfs descriptions for HiSilicon HPRE driver. Signed-off-by: Zaibo Xu <xuzaibo@huawei.com> Signed-off-by: Hui Tang <tanghui20@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
58 lines
2.3 KiB
Plaintext
58 lines
2.3 KiB
Plaintext
What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the HPRE cluster.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Write the HPRE core selection in the cluster into this file,
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and then we can read the debug information of the core.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: HPRE cores debug registers read clear control. 1 means enable
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register read clear, otherwise 0. Writing to this file has no
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functional effect, only enable or disable counters clear after
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reading of these registers.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One HPRE controller has one PF and multiple VFs, each function
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has a QM. Select the QM which below qm refers to.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the HPRE.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the QM.
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Available for PF and VF in host. VF in guest currently only
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has one debug register.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One QM may contain multiple queues. Select specific queue to
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show its debug registers in above qm_regs.
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Only available for PF.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: QM debug registers(qm_regs) read clear control. 1 means enable
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register read clear, otherwise 0.
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Writing to this file has no functional effect, only enable or
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disable counters clear after reading of these registers.
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Only available for PF.
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