linux-kernel - Re: [PATCH v3 0/5] PCI: functions/pci-epf-test: Add DMA data transfer

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Date:   Mon, 16 Mar 2020 12:11:23 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Andrew Murray <amurray@...goodpenguin.co.uk>,
        Alan Mikhak <alan.mikhak@...ive.com>,
        Tom Joseph <tjoseph@...ence.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/5]  PCI: functions/pci-epf-test: Add DMA data
 transfer

On Mon, Mar 16, 2020 at 04:54:19PM +0530, Kishon Vijay Abraham I wrote:
> Patch series uses dma engine APIs in pci-epf-test to transfer data using
> DMA. It also adds an option "-d" in pcitest for the user to indicate
> whether DMA has to be used for data transfer. This also prints
> throughput information for data transfer.
> 
> Changes from v2:
> *) Removed use of "bool" in uapi/linux/pcitest.h as that seems to fail
>    for certain configs (header should be self contained). It was failing
>    for "x86_64 allmodconfig".
> *) Modified function comments added before DMA transfer functions.
> 
> Changes from v1:
> *) Fixed some of the function names from pci_epf_* to pci_epf_test_*
> since the DMA support is now been moved to pci-epf-test.c
> 
> Kishon Vijay Abraham I (5):
>   PCI: endpoint: functions/pci-epf-test: Add DMA support to transfer
>     data
>   PCI: endpoint: functions/pci-epf-test: Print throughput information
>   misc: pci_endpoint_test: Use streaming DMA APIs for buffer allocation
>   tools: PCI: Add 'd' command line option to support DMA
>   misc: pci_endpoint_test: Add support to get DMA option from userspace
> 
>  drivers/misc/pci_endpoint_test.c              | 165 ++++++++++--
>  drivers/pci/endpoint/functions/pci-epf-test.c | 253 +++++++++++++++++-
>  include/uapi/linux/pcitest.h                  |   7 +
>  tools/pci/pcitest.c                           |  23 +-
>  4 files changed, 417 insertions(+), 31 deletions(-)

Applied to pci/endpoint for v5.7, thanks.

Lorenzo
> 
> -- 
> 2.17.1
>