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0a3a396021
The QM driver uses debugfs to provides the current state of the QM state machine Signed-off-by: Longfang Liu <liulongfang@huawei.com> Signed-off-by: Shukun Tan <tanshukun1@huawei.com> Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
82 lines
3.3 KiB
Plaintext
82 lines
3.3 KiB
Plaintext
What: /sys/kernel/debug/hisi_sec/<bdf>/sec_dfx
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the debug registers of SEC cores.
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Only available for PF.
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What: /sys/kernel/debug/hisi_sec/<bdf>/clear_enable
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Enabling/disabling of clear action after reading
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the SEC debug registers.
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0: disable, 1: enable.
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Only available for PF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec/<bdf>/current_qm
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One SEC controller has one PF and multiple VFs, each function
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has a QM. This file can be used to select the QM which below
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qm refers to.
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Only available for PF.
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What: /sys/kernel/debug/hisi_sec/<bdf>/qm/qm_regs
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump of QM related debug registers.
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Available for PF and VF in host. VF in guest currently only
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has one debug register.
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What: /sys/kernel/debug/hisi_sec/<bdf>/qm/current_q
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One QM of SEC may contain multiple queues. Select specific
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queue to show its debug registers in above 'qm_regs'.
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Only available for PF.
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What: /sys/kernel/debug/hisi_sec/<bdf>/qm/clear_enable
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Enabling/disabling of clear action after reading
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the SEC's QM debug registers.
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0: disable, 1: enable.
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Only available for PF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/err_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of invalid interrupts for
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QM task completion.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/aeq_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of QM async event queue interrupts.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/abnormal_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of interrupts for QM abnormal event.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/create_qp_err
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of queue allocation errors.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/mb_err
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of failed QM mailbox commands.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/status
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the status of the QM.
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Four states: initiated, started, stopped and closed.
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Available for both PF and VF, and take no other effect on SEC.
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