From 8201fdf49ff0950fa7a0c55a4aeb1ba3d747d404 Mon Sep 17 00:00:00 2001 From: Zhou Wang Date: Fri, 2 Aug 2019 15:57:54 +0800 Subject: Documentation: Add debugfs doc for hisi_zip Add debugfs descriptions for HiSilicon ZIP and QM driver. Signed-off-by: Zhou Wang Reviewed-by: Jonathan Cameron Signed-off-by: Herbert Xu --- Documentation/ABI/testing/debugfs-hisi-zip | 50 ++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-zip diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip new file mode 100644 index 000000000000..a7c63e6c4bc3 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-zip @@ -0,0 +1,50 @@ +What: /sys/kernel/debug/hisi_zip//comp_core[01]/regs +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: Dump of compression cores related debug registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_zip//decomp_core[0-5]/regs +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: Dump of decompression cores related debug registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_zip//clear_enable +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: Compression/decompression core debug registers read clear + control. 1 means enable register read clear, otherwise 0. + Writing to this file has no functional effect, only enable or + disable counters clear after reading of these registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_zip//current_qm +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: One ZIP controller has one PF and multiple VFs, each function + has a QM. Select the QM which below qm refers to. + Only available for PF. + +What: /sys/kernel/debug/hisi_zip//qm/qm_regs +Date: Nov 2018 +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_zip//qm/current_q +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: One QM 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_zip//qm/clear_enable +Date: Nov 2018 +Contact: linux-crypto@vger.kernel.org +Description: QM debug registers(qm_regs) read clear control. 1 means enable + register read clear, otherwise 0. + Writing to this file has no functional effect, only enable or + disable counters clear after reading of these registers. + Only available for PF. -- cgit v1.2.3-59-g8ed1b