From: Oded Gabbay <oded.gabbay@amd.com>
Date: Sun, 2 Nov 2014 10:18:29 +0000 (+0200)
Subject: amdkfd: Implement the Get Version IOCTL
X-Git-Tag: v3.19-rc1~73^2~36^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ecd5c9821c39626fa7c03e9c397586b24cb11b79;p=linux.git

amdkfd: Implement the Get Version IOCTL

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 3130265e6827..64c73bae960d 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,