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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /Documentation/ABI/testing/debugfs-hisi-sec | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'Documentation/ABI/testing/debugfs-hisi-sec')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-sec | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec new file mode 100644 index 000000000..676e2dc2d --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-sec @@ -0,0 +1,173 @@ +What: /sys/kernel/debug/hisi_sec2/<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_sec2/<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_sec2/<bdf>/alg_qos +Date: Jun 2021 +Contact: linux-crypto@vger.kernel.org +Description: The <bdf> is related the function for PF and VF. + SEC driver supports to configure each function's QoS, the driver + supports to write <bdf> value to alg_qos in the host. Such as + "echo <bdf> value > alg_qos". The qos value is 1~1000, means + 1/1000~1000/1000 of total QoS. The driver reading alg_qos to + get related QoS in the host and VM, Such as "cat alg_qos". + +What: /sys/kernel/debug/hisi_sec2/<bdf>/dev_usage +Date: Mar 2026 +Contact: linux-crypto@vger.kernel.org +Description: Query the real-time bandwidth usage of device. + Returns the bandwidth usage of each channel on the device. + The returned number is in percentage. + +What: /sys/kernel/debug/hisi_sec2/<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_sec2/<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 'regs'. + Only available for PF. + +What: /sys/kernel/debug/hisi_sec2/<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. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/err_irq +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the number of invalid interrupts for + QM task completion. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/aeq_irq +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the number of QM async event queue interrupts. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/abnormal_irq +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the number of interrupts for QM abnormal event. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/create_qp_err +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the number of queue allocation errors. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/mb_err +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the number of failed QM mailbox commands. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/status +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the status of the QM. + Two states: work, stop. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/diff_regs +Date: Mar 2022 +Contact: linux-crypto@vger.kernel.org +Description: QM debug registers(regs) read hardware register value. This + node is used to show the change of the qm register values. This + node can be help users to check the change of register values. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_state +Date: Jan 2024 +Contact: linux-crypto@vger.kernel.org +Description: Dump the state of the device. + 0: busy, 1: idle. + Only available for PF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_timeout +Date: Feb 2024 +Contact: linux-crypto@vger.kernel.org +Description: Set the wait time when stop queue fails. Available for both PF + and VF, and take no other effect on SEC. + 0: not wait(default), others value: wait dev_timeout * 20 microsecond. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_state +Date: Feb 2024 +Contact: linux-crypto@vger.kernel.org +Description: Dump the stop queue status of the QM. The default value is 0, + if dev_timeout is set, when stop queue fails, the dev_state + will return non-zero value. Available for both PF and VF, + and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/diff_regs +Date: Mar 2022 +Contact: linux-crypto@vger.kernel.org +Description: SEC debug registers(regs) read hardware register value. This + node is used to show the change of the register values. This + node can be help users to check the change of register values. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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 SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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 SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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 SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/err_bd_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of BD type error requests + to be received. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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 SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/done_flag_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of completed but marked error requests + to be received. + Available for both PF and VF, and take no other effect on SEC. + +What: /sys/kernel/debug/hisi_sec2/<bdf>/cap_regs +Date: Oct 2024 +Contact: linux-crypto@vger.kernel.org +Description: Dump the values of the qm and sec capability bit registers and + support the query of device specifications to facilitate fault locating. + Available for both PF and VF, and take no other effect on SEC. |
