From 64a6301ebee769073e84daa14eeee01125aef79d Mon Sep 17 00:00:00 2001 From: Hui Tang Date: Fri, 15 May 2020 17:13:57 +0800 Subject: crypto: hisilicon/hpre - add debugfs for Hisilicon HPRE Add debugfs to provides IO operation debug information and add BD processing timeout count function Signed-off-by: Hui Tang Signed-off-by: Longfang Liu Signed-off-by: Shukun Tan Reviewed-by: Zaibo Xu Reviewed-by: Zhou Wang Signed-off-by: Herbert Xu --- Documentation/ABI/testing/debugfs-hisi-hpre | 45 +++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) (limited to 'Documentation/ABI/testing') diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre index 093cf46a4e29..1fe3eae8ab21 100644 --- a/Documentation/ABI/testing/debugfs-hisi-hpre +++ b/Documentation/ABI/testing/debugfs-hisi-hpre @@ -93,3 +93,48 @@ Contact: linux-crypto@vger.kernel.org Description: Dump the status of the QM. Four states: initiated, started, stopped and closed. Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/send_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of sent requests. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/recv_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of received requests. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/send_busy_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of requests sent + with returning busy. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/send_fail_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of completed but error requests. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/invalid_req_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of invalid requests being received. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/overtime_thrhld +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Set the threshold time for counting the request which is + processed longer than the threshold. + 0: disable(default), 1: 1 microsecond. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/over_thrhld_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of time out requests. + Available for both PF and VF, and take no other effect on HPRE. -- cgit v1.2.3