Re: [PATCH v2 0/5] PCI: functions/pci-epf-test: Add DMA data transfer

From: Bjorn Helgaas
Date: Fri Mar 13 2020 - 13:40:26 EST


On Fri, Mar 13, 2020 at 04:56:13PM +0000, Lorenzo Pieralisi wrote:
> On Tue, Mar 03, 2020 at 04:07:47PM +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 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 | 5 +
> > tools/pci/pcitest.c | 20 +-
> > 4 files changed, 412 insertions(+), 31 deletions(-)
>
> Hi Kishon,
>
> I had to drop this series - waiting for you to send an updated one
> to fix the x86 build breakage - force pushed pci/endpoint out.

I updated my "next" branch with this updated branch so we can at least
test the other things on the lorenzo/pci/endpoint branch.

The lorenzo/pci/mobiveil branch is also temporarily out completely for
a build issue.