/* 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 { … }; struct privcmd_mmap_entry { … }; struct privcmd_mmap { … }; struct privcmd_mmapbatch { … }; #define PRIVCMD_MMAPBATCH_MFN_ERROR … #define PRIVCMD_MMAPBATCH_PAGED_ERROR … struct privcmd_mmapbatch_v2 { … }; struct privcmd_dm_op_buf { … }; struct privcmd_dm_op { … }; struct privcmd_mmap_resource { … }; /* For privcmd_irqfd::flags */ #define PRIVCMD_IRQFD_FLAG_DEASSIGN … struct privcmd_irqfd { … }; /* For privcmd_ioeventfd::flags */ #define PRIVCMD_IOEVENTFD_FLAG_DEASSIGN … struct privcmd_ioeventfd { … }; /* * @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 … #define IOCTL_PRIVCMD_MMAP … #define IOCTL_PRIVCMD_MMAPBATCH … #define IOCTL_PRIVCMD_MMAPBATCH_V2 … #define IOCTL_PRIVCMD_DM_OP … #define IOCTL_PRIVCMD_RESTRICT … #define IOCTL_PRIVCMD_MMAP_RESOURCE … #define IOCTL_PRIVCMD_IRQFD … #define IOCTL_PRIVCMD_IOEVENTFD … #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */