On 2022/10/27 1:14, Jason Gunthorpe wrote:
On Wed, Oct 26, 2022 at 08:58:23PM +0800, Baolu Lu wrote:
+ [_IOC_NR(_ioctl) - IOMMUFD_CMD_BASE] = { \
+ .size = sizeof(_struct) + \
+ BUILD_BUG_ON_ZERO(sizeof(union ucmd_buffer) < \
+ sizeof(_struct)), \
+ .min_size = offsetofend(_struct, _last), \
+ .ioctl_num = _ioctl, \
+ .execute = _fn, \
+ }
+static struct iommufd_ioctl_op iommufd_ioctl_ops[] = {
How about making the ops "static const"?
Yes both const's were missed
+static void __exit iommufd_exit(void)
+{
+ misc_deregister(&iommu_misc_dev);
+}
+
+module_init(iommufd_init);
+module_exit(iommufd_exit);
+
+MODULE_DESCRIPTION("I/O Address Space Management for passthrough devices");
+MODULE_LICENSE("GPL");
Could above be "GPL v2"?
It should be just "GPL", see Documentation/process/license-rules.rst:
"GPL v2" Same as "GPL". It exists for historic
Ah! Thanks for letting me know this.
--- /dev/null
+++ b/include/uapi/linux/iommufd.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* Copyright (c) 2021-2022, NVIDIA CORPORATION & AFFILIATES.
+ */
+#ifndef _UAPI_IOMMUFD_H
+#define _UAPI_IOMMUFD_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define IOMMUFD_TYPE (';')
+
+/**
+ * DOC: General ioctl format
+ *
+ * The ioctl mechanims follows a general format to allow for extensibility. Each
^^^^^^^^^ mechanism?
How about "interface" ?
Yes. It works.
With above addressed,
Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Best regards,
baolu