Per-thread page table. More...

#include <linux/ioctl.h>

Include dependency graph for cross_state_manager.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	_ioctl_info

struct	_fault_info_t

Macros
#define	CROSS_STATE_IOCTL_MAGIC 'R'

#define	SIBLING_PGD 128

#define	MAX_CROSS_STATE_DEPENDENCIES 1024

#define	IOCTL_STRUCT

#define	ECS_MAJOR_FAULT 0

#define	ECS_MINOR_FAULT 1

#define	ECS_CHANGE_PAGE_PRIVILEGE 2

#define	IOCTL_GET_PGD _IOW(CROSS_STATE_IOCTL_MAGIC, 1, void *)

#define	IOCTL_SET_ANCESTOR_PGD _IO(CROSS_STATE_IOCTL_MAGIC, 2)

#define	IOCTL_SET_VM_RANGE _IOW(CROSS_STATE_IOCTL_MAGIC, 3, ioctl_info *)

#define	IOCTL_SCHEDULE_ON_PGD _IOW(CROSS_STATE_IOCTL_MAGIC, 4, ioctl_info *)

#define	IOCTL_UNSCHEDULE_ON_PGD _IOW(CROSS_STATE_IOCTL_MAGIC, 5, int)

#define	IOCTL_SET_PAGE_PRIVILEGE _IOW(CROSS_STATE_IOCTL_MAGIC, 6, int)

#define	IOCTL_PROTECT_REMOTE_LP _IOW(CROSS_STATE_IOCTL_MAGIC, 7, int)

#define	PML4(addr) (((long long)(addr) >> 39) & 0x1ff)

#define	PDP(addr) (((long long)(addr) >> 30) & 0x1ff)

#define	PDE(addr) (((long long)(addr) >> 21) & 0x1ff)

#define	PTE(addr) (((long long)(addr) >> 12) & 0x1ff)

#define	OBJECT_TO_PML4(object_id) ((ulong)object_id >> 9 )

#define	OBJECT_TO_PDP(object_id) ((ulong)object_id & 0x1ff)

#define	GET_ADDRESS(addr) ( (((long long)(addr)) & ((1LL << 40) - 1)) >> 12)

#define	PML4_PLUS_ONE(addr) (void *)((long long)(addr) + (1LL << 39))

#define	MASK_PTADDR 0x07FFFFFFFFFFF000

#define	MASK_PTCONT 0xF800000000000FFF

Typedefs
typedef struct _ioctl_info	ioctl_info

typedef struct _fault_info_t	fault_info_t

Detailed Description

Per-thread page table.

This Linux kernel module implements a modification to the x86_64 page table management to support event cross state dependency tracking

Copyright: Copyright (C) 2008-2019 HPDCS Group https://hpdcs.github.io

This file is part of ROOT-Sim (ROme OpTimistic Simulator).

ROOT-Sim is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; only version 3 of the License applies.

ROOT-Sim is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with ROOT-Sim; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Author: Alessandro Pellegrini; Francesco Quaglia

Date: November 15, 2013 - Initial version; September 19, 2015 - Full restyle of the module, to use dynamic scheduler patching

Definition in file cross_state_manager.h.

Data Structures

Macros

Typedefs

Detailed Description