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| author | Longfang Liu <liulongfang@huawei.com> | 2019-11-13 19:11:06 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-11-22 18:48:36 +0800 |
| commit | cbfe56e6938b2f7ca5e78b04417ee07f7c8d87fb (patch) | |
| tree | 9ca565aee71c3f334bfbe4e8d2316606ccd9d842 /Documentation/ABI | |
| parent | 73bcb049a77ba75b694cb4142b3a3ef09584a77c (diff) | |
| download | linux-cbfe56e6938b2f7ca5e78b04417ee07f7c8d87fb.tar.gz | |
Documentation: add DebugFS doc for HiSilicon SEC
This Documentation is for HiSilicon SEC DebugFS. Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: Kai Ye <yekai13@huawei.com> Reviewed-by: Zaibo Xu <xuzaibo@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-sec | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec new file mode 100644 index 000000000000..06adb899495e --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-sec @@ -0,0 +1,43 @@ +What: /sys/kernel/debug/hisi_sec/<bdf>/sec_dfx +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump the debug registers of SEC cores. + Only available for PF. + +What: /sys/kernel/debug/hisi_sec/<bdf>/clear_enable +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: Enabling/disabling of clear action after reading + the SEC debug registers. + 0: disable, 1: enable. + Only available for PF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec/<bdf>/current_qm +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: One SEC controller has one PF and multiple VFs, each function + has a QM. This file can be used to select the QM which below + qm refers to. + Only available for PF. + +What: /sys/kernel/debug/hisi_sec/<bdf>/qm/qm_regs +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump of QM related debug registers. + Available for PF and VF in host. VF in guest currently only + has one debug register. + +What: /sys/kernel/debug/hisi_sec/<bdf>/qm/current_q +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: One QM of SEC 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_sec/<bdf>/qm/clear_enable +Date: Oct 2019 +Contact: linux-crypto@vger.kernel.org +Description: Enabling/disabling of clear action after reading + the SEC's QM debug registers. + 0: disable, 1: enable. + Only available for PF, and take no other effect on SEC. |