diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-hpre | 89 | ||||
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-sec | 94 | ||||
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-zip | 70 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/rng/arm-cctrng.yaml | 54 | ||||
| -rw-r--r-- | Documentation/security/siphash.rst | 2 |
5 files changed, 290 insertions, 19 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre index ec4a79e3a807..b4be5f1db4b7 100644 --- a/Documentation/ABI/testing/debugfs-hisi-hpre +++ b/Documentation/ABI/testing/debugfs-hisi-hpre @@ -33,7 +33,7 @@ Contact: linux-crypto@vger.kernel.org Description: Dump debug registers from the HPRE. Only available for PF. -What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_regs +What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/regs Date: Sep 2019 Contact: linux-crypto@vger.kernel.org Description: Dump debug registers from the QM. @@ -44,14 +44,97 @@ What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q Date: Sep 2019 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. + show its debug registers in above regs. Only available for PF. What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable Date: Sep 2019 Contact: linux-crypto@vger.kernel.org -Description: QM debug registers(qm_regs) read clear control. 1 means enable +Description: QM debug registers(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. + +What: /sys/kernel/debug/hisi_hpre/<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 HPRE. + +What: /sys/kernel/debug/hisi_hpre/<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 HPRE. + +What: /sys/kernel/debug/hisi_hpre/<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 HPRE. + +What: /sys/kernel/debug/hisi_hpre/<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 HPRE. + +What: /sys/kernel/debug/hisi_hpre/<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 HPRE. + +What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/status +Date: Apr 2020 +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/<bdf>/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/<bdf>/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/<bdf>/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/<bdf>/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/<bdf>/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/<bdf>/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/<bdf>/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. diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec index 06adb899495e..85feb4408e0f 100644 --- a/Documentation/ABI/testing/debugfs-hisi-sec +++ b/Documentation/ABI/testing/debugfs-hisi-sec @@ -1,10 +1,4 @@ -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 +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 @@ -12,7 +6,7 @@ Description: Enabling/disabling of clear action after reading 0: disable, 1: enable. Only available for PF, and take no other effect on SEC. -What: /sys/kernel/debug/hisi_sec/<bdf>/current_qm +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 @@ -20,24 +14,100 @@ Description: One SEC controller has one PF and multiple VFs, each function qm refers to. Only available for PF. -What: /sys/kernel/debug/hisi_sec/<bdf>/qm/qm_regs +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_sec/<bdf>/qm/current_q +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 'qm_regs'. + queue to show its debug registers in above 'regs'. Only available for PF. -What: /sys/kernel/debug/hisi_sec/<bdf>/qm/clear_enable +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. + Four states: initiated, started, stopped and closed. + Available for both PF and VF, and take no other effect on SEC. + +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. diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip index a7c63e6c4bc3..3034a2bf99ca 100644 --- a/Documentation/ABI/testing/debugfs-hisi-zip +++ b/Documentation/ABI/testing/debugfs-hisi-zip @@ -26,7 +26,7 @@ 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/<bdf>/qm/qm_regs +What: /sys/kernel/debug/hisi_zip/<bdf>/qm/regs Date: Nov 2018 Contact: linux-crypto@vger.kernel.org Description: Dump of QM related debug registers. @@ -37,14 +37,78 @@ What: /sys/kernel/debug/hisi_zip/<bdf>/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. + show its debug registers in above regs. Only available for PF. What: /sys/kernel/debug/hisi_zip/<bdf>/qm/clear_enable Date: Nov 2018 Contact: linux-crypto@vger.kernel.org -Description: QM debug registers(qm_regs) read clear control. 1 means enable +Description: QM debug registers(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. + +What: /sys/kernel/debug/hisi_zip/<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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<bdf>/qm/status +Date: Apr 2020 +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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<bdf>/zip_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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<bdf>/zip_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 ZIP. + +What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/send_busy_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of requests received + with returning busy. + Available for both PF and VF, and take no other effect on ZIP. + +What: /sys/kernel/debug/hisi_zip/<bdf>/zip_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 ZIP. diff --git a/Documentation/devicetree/bindings/rng/arm-cctrng.yaml b/Documentation/devicetree/bindings/rng/arm-cctrng.yaml new file mode 100644 index 000000000000..ca6aad19b6ba --- /dev/null +++ b/Documentation/devicetree/bindings/rng/arm-cctrng.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/arm-cctrng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm TrustZone CryptoCell TRNG engine + +maintainers: + - Hadar Gat <hadar.gat@arm.com> + +description: |+ + Arm TrustZone CryptoCell TRNG (True Random Number Generator) engine. + +properties: + compatible: + enum: + - arm,cryptocell-713-trng + - arm,cryptocell-703-trng + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + arm,rosc-ratio: + description: + Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators. + Sampling ratio values for these 4 ring oscillators. (from calibration) + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - items: + maxItems: 4 + + clocks: + maxItems: 1 + +required: + - compatible + - interrupts + - reg + - arm,rosc-ratio + +additionalProperties: false + +examples: + - | + arm_cctrng: rng@60000000 { + compatible = "arm,cryptocell-713-trng"; + interrupts = <0 29 4>; + reg = <0x60000000 0x10000>; + arm,rosc-ratio = <5000 1000 500 0>; + }; diff --git a/Documentation/security/siphash.rst b/Documentation/security/siphash.rst index 4eba68cdf0a1..bd9363025fcb 100644 --- a/Documentation/security/siphash.rst +++ b/Documentation/security/siphash.rst @@ -7,7 +7,7 @@ SipHash - a short input PRF SipHash is a cryptographically secure PRF -- a keyed hash function -- that performs very well for short inputs, hence the name. It was designed by cryptographers Daniel J. Bernstein and Jean-Philippe Aumasson. It is intended -as a replacement for some uses of: `jhash`, `md5_transform`, `sha_transform`, +as a replacement for some uses of: `jhash`, `md5_transform`, `sha1_transform`, and so forth. SipHash takes a secret key filled with randomly generated numbers and either |