/* 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;}; /* For privcmd_irqfd::flags */#define PRIVCMD_IRQFD_FLAG_DEASSIGN (1 << 0) struct privcmd_irqfd {	__u64 dm_op;	__u32 size; /* Size of structure pointed by dm_op */	__u32 fd;	__u32 flags;	domid_t dom;	__u8 pad[2];}; /* For privcmd_ioeventfd::flags */#define PRIVCMD_IOEVENTFD_FLAG_DEASSIGN (1 << 0) struct privcmd_ioeventfd {	__u64 ioreq;	__u64 ports;	__u64 addr;	__u32 addr_len;	__u32 event_fd;	__u32 vcpus;	__u32 vq;	__u32 flags;	domid_t dom;	__u8 pad[2];}; struct privcmd_pcidev_get_gsi {	__u32 sbdf;	__u32 gsi;}; /* * @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))#define IOCTL_PRIVCMD_IRQFD					\	_IOW('P', 8, struct privcmd_irqfd)#define IOCTL_PRIVCMD_IOEVENTFD					\	_IOW('P', 9, struct privcmd_ioeventfd)#define IOCTL_PRIVCMD_PCIDEV_GET_GSI				\	_IOC(_IOC_NONE, 'P', 10, sizeof(struct privcmd_pcidev_get_gsi)) #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */