Messages in this thread | | | From | Alan Tull <> | Date | Thu, 17 Aug 2017 14:07:18 -0500 | Subject | Re: [PATCH v2 20/22] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support |
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On Sun, Jun 25, 2017 at 8:52 PM, Wu Hao <hao.wu@intel.com> wrote: > FPGA_GET_API_VERSION and FPGA_CHECK_EXTENSION ioctls are common ones which > need to be supported by all feature devices drivers including FME and AFU. > This patch implements above 2 ioctls in Intel FPGA Accelerated Function > Unit (AFU) driver. > > Signed-off-by: Tim Whisonant <tim.whisonant@intel.com> > Signed-off-by: Enno Luebbers <enno.luebbers@intel.com> > Signed-off-by: Shiva Rao <shiva.rao@intel.com> > Signed-off-by: Christopher Rauer <christopher.rauer@intel.com> > Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> > Signed-off-by: Wu Hao <hao.wu@intel.com> Acked-by: Alan Tull <atull@kernel.org> > --- > v2: rebased > --- > drivers/fpga/intel-afu-main.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/fpga/intel-afu-main.c b/drivers/fpga/intel-afu-main.c > index 2a17cde..22f77f2 100644 > --- a/drivers/fpga/intel-afu-main.c > +++ b/drivers/fpga/intel-afu-main.c > @@ -122,6 +122,13 @@ static int afu_release(struct inode *inode, struct file *filp) > return 0; > } > > +static long afu_ioctl_check_extension(struct feature_platform_data *pdata, > + unsigned long arg) > +{ > + /* No extension support for now */ > + return 0; > +} > + > static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) > { > struct platform_device *pdev = filp->private_data; > @@ -132,6 +139,10 @@ static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) > dev_dbg(&pdev->dev, "%s cmd 0x%x\n", __func__, cmd); > > switch (cmd) { > + case FPGA_GET_API_VERSION: > + return FPGA_API_VERSION; > + case FPGA_CHECK_EXTENSION: > + return afu_ioctl_check_extension(pdata, arg); > default: > /* > * Let sub-feature's ioctl function to handle the cmd > -- > 1.8.3.1 >
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