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[v5,24/24] amdkfd: Implement the Get Version IOCTL

Message ID 1415472917-4401-1-git-send-email-oded.gabbay@amd.com (mailing list archive)
State New, archived
Headers show

Commit Message

Oded Gabbay Nov. 8, 2014, 6:55 p.m. UTC 
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 3130265..64c73ba 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -123,7 +123,16 @@  static int kfd_open(struct inode *inode, struct file *filep)
 static long kfd_ioctl_get_version(struct file *filep, struct kfd_process *p,
 					void __user *arg)
 {
-	return -ENODEV;
+	struct kfd_ioctl_get_version_args args;
+	int err = 0;
+
+	args.major_version = KFD_IOCTL_MAJOR_VERSION;
+	args.minor_version = KFD_IOCTL_MINOR_VERSION;
+
+	if (copy_to_user(arg, &args, sizeof(args)))
+		err = -EFAULT;
+
+	return err;
 }
 
 static int set_queue_properties_from_user(struct queue_properties *q_properties,