From cbfe56e6938b2f7ca5e78b04417ee07f7c8d87fb Mon Sep 17 00:00:00 2001 From: Longfang Liu Date: Wed, 13 Nov 2019 19:11:06 +0800 Subject: Documentation: add DebugFS doc for HiSilicon SEC This Documentation is for HiSilicon SEC DebugFS. Signed-off-by: Longfang Liu Signed-off-by: Kai Ye Reviewed-by: Zaibo Xu Signed-off-by: Herbert Xu --- Documentation/ABI/testing/debugfs-hisi-sec | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-sec (limited to 'Documentation/ABI') 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//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//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//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//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//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//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. -- cgit