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

Oded Gabbay
2014-11-08T18:55:35Z

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