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-rw-r--r--include/uapi/xen/privcmd.h129
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diff --git a/include/uapi/xen/privcmd.h b/include/uapi/xen/privcmd.h
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+++ b/include/uapi/xen/privcmd.h
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+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
+/******************************************************************************
+ * privcmd.h
+ *
+ * Interface to /proc/xen/privcmd.
+ *
+ * Copyright (c) 2003-2005, K A Fraser
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation; or, when distributed
+ * separately from the Linux kernel or incorporated into other
+ * software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef __LINUX_PUBLIC_PRIVCMD_H__
+#define __LINUX_PUBLIC_PRIVCMD_H__
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <xen/interface/xen.h>
+
+struct privcmd_hypercall {
+ __u64 op;
+ __u64 arg[5];
+};
+
+struct privcmd_mmap_entry {
+ __u64 va;
+ /*
+ * This should be a GFN. It's not possible to change the name because
+ * it's exposed to the user-space.
+ */
+ __u64 mfn;
+ __u64 npages;
+};
+
+struct privcmd_mmap {
+ int num;
+ domid_t dom; /* target domain */
+ struct privcmd_mmap_entry __user *entry;
+};
+
+struct privcmd_mmapbatch {
+ int num; /* number of pages to populate */
+ domid_t dom; /* target domain */
+ __u64 addr; /* virtual address */
+ xen_pfn_t __user *arr; /* array of mfns - or'd with
+ PRIVCMD_MMAPBATCH_*_ERROR on err */
+};
+
+#define PRIVCMD_MMAPBATCH_MFN_ERROR 0xf0000000U
+#define PRIVCMD_MMAPBATCH_PAGED_ERROR 0x80000000U
+
+struct privcmd_mmapbatch_v2 {
+ unsigned int num; /* number of pages to populate */
+ domid_t dom; /* target domain */
+ __u64 addr; /* virtual address */
+ const xen_pfn_t __user *arr; /* array of mfns */
+ int __user *err; /* array of error codes */
+};
+
+struct privcmd_dm_op_buf {
+ void __user *uptr;
+ size_t size;
+};
+
+struct privcmd_dm_op {
+ domid_t dom;
+ __u16 num;
+ const struct privcmd_dm_op_buf __user *ubufs;
+};
+
+struct privcmd_mmap_resource {
+ domid_t dom;
+ __u32 type;
+ __u32 id;
+ __u32 idx;
+ __u64 num;
+ __u64 addr;
+};
+
+/*
+ * @cmd: IOCTL_PRIVCMD_HYPERCALL
+ * @arg: &privcmd_hypercall_t
+ * Return: Value returned from execution of the specified hypercall.
+ *
+ * @cmd: IOCTL_PRIVCMD_MMAPBATCH_V2
+ * @arg: &struct privcmd_mmapbatch_v2
+ * Return: 0 on success (i.e., arg->err contains valid error codes for
+ * each frame). On an error other than a failed frame remap, -1 is
+ * returned and errno is set to EINVAL, EFAULT etc. As an exception,
+ * if the operation was otherwise successful but any frame failed with
+ * -ENOENT, then -1 is returned and errno is set to ENOENT.
+ */
+#define IOCTL_PRIVCMD_HYPERCALL \
+ _IOC(_IOC_NONE, 'P', 0, sizeof(struct privcmd_hypercall))
+#define IOCTL_PRIVCMD_MMAP \
+ _IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap))
+#define IOCTL_PRIVCMD_MMAPBATCH \
+ _IOC(_IOC_NONE, 'P', 3, sizeof(struct privcmd_mmapbatch))
+#define IOCTL_PRIVCMD_MMAPBATCH_V2 \
+ _IOC(_IOC_NONE, 'P', 4, sizeof(struct privcmd_mmapbatch_v2))
+#define IOCTL_PRIVCMD_DM_OP \
+ _IOC(_IOC_NONE, 'P', 5, sizeof(struct privcmd_dm_op))
+#define IOCTL_PRIVCMD_RESTRICT \
+ _IOC(_IOC_NONE, 'P', 6, sizeof(domid_t))
+#define IOCTL_PRIVCMD_MMAP_RESOURCE \
+ _IOC(_IOC_NONE, 'P', 7, sizeof(struct privcmd_mmap_resource))
+
+#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */