diff options
| author | Zaibo Xu <xuzaibo@huawei.com> | 2019-09-30 17:20:07 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-10-10 23:36:32 +1100 |
| commit | b492f82fcee1d1c6cdb54ce6e8134438e651b3cf (patch) | |
| tree | 5b05ae111993f37012bba92670e2123ad73e6c19 | |
| parent | 5ec302a364bfd95be29a9784b2fabd8e2ddf0476 (diff) | |
Documentation: Add debugfs doc for hisi_hpre
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>
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-hpre | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre new file mode 100644 index 000000000000..ec4a79e3a807 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-hpre @@ -0,0 +1,57 @@ +What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the HPRE cluster. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Write the HPRE core selection in the cluster into this file, + and then we can read the debug information of the core. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: HPRE cores debug registers read clear control. 1 means enable + register read clear, otherwise 0. Writing to this file has no + functional effect, only enable or disable counters clear after + reading of these registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +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>/regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the HPRE. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the QM. + Available for PF and VF in host. VF in guest currently only + has one debug register. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: One QM may contain multiple queues. Select specific queue to + show its debug registers in above qm_regs. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: QM debug registers(qm_regs) read clear control. 1 means enable + register read clear, otherwise 0. + Writing to this file has no functional effect, only enable or + disable counters clear after reading of these registers. + Only available for PF. |