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

From: Oded Gabbay <oded.gabbay@amd.com>
To: David Airlie <airlied@linux.ie>,
	Alex Deucher <alexander.deucher@amd.com>,
	Jerome Glisse <j.glisse@gmail.com>
Cc: <linux-kernel@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
	"John Bridgman" <John.Bridgman@amd.com>,
	Oded Gabbay <oded.gabbay@amd.com>,
	Alexey Skidanov <Alexey.Skidanov@amd.com>,
	Evgeny Pinchuk <evgeny.pinchuk@amd.com>,
	Andrew Lewycky <Andrew.Lewycky@amd.com>,
	Ben Goz <ben.goz@amd.com>
Subject: [PATCH v5 24/24] amdkfd: Implement the Get Version IOCTL
Date: Sat, 8 Nov 2014 20:55:14 +0200	[thread overview]
Message-ID: <1415472917-4401-1-git-send-email-oded.gabbay@amd.com> (raw)
In-Reply-To: <1415471865-1893-1-git-send-email-oded.gabbay@amd.com>

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(-)

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,
-- 
2.1.0

