[PATCH v2 20/22] fpga: intel: afu add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support
From: Wu Hao <hidden>
Date: 2017-06-26 02:01:25
Also in:
linux-fpga, lkml
Subsystem:
fpga manager framework, the rest · Maintainers:
Moritz Fischer, Xu Yilun, Linus Torvalds
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 <redacted> Signed-off-by: Enno Luebbers <redacted> Signed-off-by: Shiva Rao <redacted> Signed-off-by: Christopher Rauer <redacted> Signed-off-by: Xiao Guangrong <guangrong.xiao-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Signed-off-by: Wu Hao <redacted> --- 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
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1.8.3.1