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Groups > linux.kernel > #1613015

[PATCH 14/16] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support

From Wu Hao <hao.wu@intel.com>
Newsgroups linux.kernel
Subject [PATCH 14/16] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support
Date 2017-03-30 14:20 +0200
Message-ID <tqHdw-69w-29@gated-at.bofh.it> (permalink)
References <tqHdv-69w-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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>
---
 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 7166d5c..89d4b2f 100644
--- a/drivers/fpga/intel/afu-main.c
+++ b/drivers/fpga/intel/afu-main.c
@@ -124,6 +124,13 @@ 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;
@@ -134,6 +141,10 @@ 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
-- 
2.7.4

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Thread

[PATCH 00/16] Intel FPGA Device Drivers Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
    Re: [PATCH 02/16] fpga: add FPGA device framework Greg KH <greg@kroah.com> - 2017-03-31 08:10 +0200
      Re: [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-03-31 10:00 +0200
        Re: [PATCH 02/16] fpga: add FPGA device framework Greg KH <greg@kroah.com> - 2017-03-31 11:10 +0200
          Re: [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-03-31 14:30 +0200
        Re: [PATCH 02/16] fpga: add FPGA device framework matthew.gerlach@linux.intel.com - 2017-03-31 21:10 +0200
          Re: [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-04-01 14:30 +0200
    Re: [PATCH 02/16] fpga: add FPGA device framework Greg KH <greg@kroah.com> - 2017-03-31 08:20 +0200
      Re: [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-03-31 15:40 +0200
        Re: [PATCH 02/16] fpga: add FPGA device framework Greg KH <greg@kroah.com> - 2017-03-31 16:20 +0200
          Re: [PATCH 02/16] fpga: add FPGA device framework Wu Hao <hao.wu@intel.com> - 2017-04-01 13:50 +0200
  [PATCH 03/16] fpga: intel: add FPGA PCIe device driver Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
    Re: [PATCH 03/16] fpga: intel: add FPGA PCIe device driver Moritz Fischer <mdf@kernel.org> - 2017-04-04 04:20 +0200
      RE: [PATCH 03/16] fpga: intel: add FPGA PCIe device driver "Wu, Hao" <hao.wu@intel.com> - 2017-04-05 15:20 +0200
  [PATCH 15/16] fpga: intel: afu: add user afu sub feature support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 12/16] fpga: intel: add FPGA Accelerated Function Unit driver basic framework Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 09/16] fpga: intel: fme: add header sub feature support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 16/16] fpga: intel: afu: add FPGA_PORT_DMA_MAP/UNMAP ioctls support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 07/16] fpga: intel: add feature device infrastructure Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 05/16] fpga: intel: pcie: add chardev support for feature devices Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 04/16] fpga: intel: pcie: parse feature list and create platform device for features. Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
    Re: [PATCH 04/16] fpga: intel: pcie: parse feature list and create  platform device for features. Alan Tull <atull@kernel.org> - 2017-04-03 23:50 +0200
      Re: [PATCH 04/16] fpga: intel: pcie: parse feature list and create  platform device for features. Wu Hao <hao.wu@intel.com> - 2017-04-05 14:10 +0200
    Re: [PATCH 04/16] fpga: intel: pcie: parse feature list and create  platform device for features. Alan Tull <atull@kernel.org> - 2017-04-05 00:20 +0200
      Re: [PATCH 04/16] fpga: intel: pcie: parse feature list and create  platform device for features. Wu Hao <hao.wu@intel.com> - 2017-04-05 16:20 +0200
  [PATCH 10/16] fpga: intel: fme: add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 14/16] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver overview Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
    Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver  overview matthew.gerlach@linux.intel.com - 2017-03-31 20:30 +0200
      Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver overview Alan Tull <atull@kernel.org> - 2017-03-31 20:40 +0200
        Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver  overview Wu Hao <hao.wu@intel.com> - 2017-04-01 13:30 +0200
          Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver  overview Moritz Fischer <mdf@kernel.org> - 2017-04-02 16:50 +0200
            Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver overview Alan Tull <atull@kernel.org> - 2017-04-03 22:50 +0200
              Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver  overview Wu Hao <hao.wu@intel.com> - 2017-04-04 07:30 +0200
            Re: [PATCH 01/16] docs: fpga: add a document for Intel FPGA driver  overview Wu Hao <hao.wu@intel.com> - 2017-04-04 07:20 +0200
  [PATCH 06/16] fpga: intel: pcie: adds fpga_for_each_port callback for fme device Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 13/16] fpga: intel: afu: add header sub feature support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
  [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub feature support Wu Hao <hao.wu@intel.com> - 2017-03-30 14:20 +0200
    Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-03-30 22:40 +0200
      Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Xiao Guangrong <xiaoguangrong.eric@gmail.com> - 2017-03-31 06:20 +0200
        Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-03-31 11:00 +0200
          Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-03 22:30 +0200
            Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-04 07:40 +0200
    Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-03-31 21:20 +0200
      Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-01 13:20 +0200
        Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-03 18:40 +0200
          Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-04 08:20 +0200
            Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-05 00:40 +0200
              RE: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support "Wu, Hao" <hao.wu@intel.com> - 2017-04-05 13:50 +0200
                Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-05 17:30 +0200
                Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-05 17:50 +0200
                Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-06 13:10 +0200
                Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-06 21:30 +0200
                Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-07 08:10 +0200
    Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Alan Tull <atull@kernel.org> - 2017-04-03 23:30 +0200
      Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support matthew.gerlach@linux.intel.com - 2017-04-04 00:50 +0200
        Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-04 09:00 +0200
      Re: [PATCH 11/16] fpga: intel: fme: add partial reconfiguration sub  feature support Wu Hao <hao.wu@intel.com> - 2017-04-04 08:40 +0200
  Re: [PATCH 00/16] Intel FPGA Device Drivers Moritz Fischer <mdf@kernel.org> - 2017-03-30 19:20 +0200
  Re: [PATCH 00/16] Intel FPGA Device Drivers Jerome Glisse <jglisse@redhat.com> - 2017-04-06 22:30 +0200

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