linux-kernel - Re: [PATCH v2 0/3] Introduce support for QAT Dynamic Power Management

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Date:   Fri, 18 Feb 2022 16:37:31 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Wojciech Ziemba <wojciech.ziemba@...el.com>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        qat-linux@...el.com
Subject: Re: [PATCH v2 0/3] Introduce support for QAT Dynamic Power Management

On Thu, Feb 10, 2022 at 01:38:24PM +0000, Wojciech Ziemba wrote:
> This patch set consist of following updates:
> 1. Add misc workqueue for general purpose usage.
> 2. Move error source related CSRs from 4xxx to the wider GEN4 header
> file.
> 3. Add support for HW QAT Power Management (PM) feature.
>         This feature is enabled at init time (1) by sending an admin
> message to
>         the firmware, targeting the admin AE, that sets the idle time
> before
>         the device changes state and (2) by unmasking the PM source of
>         interrupt in ERRMSK2.
> 
>         The interrupt handler is extended to handle a PM interrupt which
>         is triggered by HW when a PM transition occurs. In this case,
> the
>         driver responds acknowledging the transaction using the HOST_MSG
>         mailbox.
> 
> Changes since v1:
> - Moved unmasking PM interrupts after PM interrupt source enable to
>   avoid a spurious interrupt
> - Fixed kbuild bot issue by moving adf_handle_pm_int() out of
>   CONFIG_PCI_IOV scope
> - Rename [..]_init_pm() functions to [..]_enable_pm() as the function
>   needs to be called inside adf_start()
> 
> 
> Wojciech Ziemba (3):
>   crypto: qat - add misc workqueue
>   crypto: qat - move and rename GEN4 error register definitions
>   crypto: qat - enable power management for QAT GEN4
> 
>  .../crypto/qat/qat_4xxx/adf_4xxx_hw_data.c    |  21 +--
>  .../crypto/qat/qat_4xxx/adf_4xxx_hw_data.h    |  24 ---
>  drivers/crypto/qat/qat_common/Makefile        |   1 +
>  .../crypto/qat/qat_common/adf_accel_devices.h |   2 +
>  drivers/crypto/qat/qat_common/adf_admin.c     |  37 +++++
>  .../crypto/qat/qat_common/adf_common_drv.h    |   4 +
>  drivers/crypto/qat/qat_common/adf_ctl_drv.c   |   6 +
>  .../crypto/qat/qat_common/adf_gen4_hw_data.h  |  14 ++
>  drivers/crypto/qat/qat_common/adf_gen4_pm.c   | 137 ++++++++++++++++++
>  drivers/crypto/qat/qat_common/adf_gen4_pm.h   |  44 ++++++
>  drivers/crypto/qat/qat_common/adf_init.c      |   6 +
>  drivers/crypto/qat/qat_common/adf_isr.c       |  42 ++++++
>  .../qat/qat_common/icp_qat_fw_init_admin.h    |   1 +
>  13 files changed, 306 insertions(+), 33 deletions(-)
>  create mode 100644 drivers/crypto/qat/qat_common/adf_gen4_pm.c
>  create mode 100644 drivers/crypto/qat/qat_common/adf_gen4_pm.h

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt