From: Longfang Liu <liulongfang@xxxxxxxxxx> This Documentation is for HiSilicon SEC DebugFS. Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx> Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> Reviewed-by: Zaibo Xu <xuzaibo@xxxxxxxxxx> --- Documentation/ABI/testing/debugfs-hisi-sec | 43 ++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-sec diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec new file mode 100644 index 0000000..06adb89 --- /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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx +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@xxxxxxxxxxxxxxx +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. -- 2.8.1
