mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 19:06:43 +07:00
cbfe56e693
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>
44 lines
1.7 KiB
Plaintext
44 lines
1.7 KiB
Plaintext
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.
|