| 0,0 → 1,94 |
|---|
| /* |
| * Copyright (C) 2006 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup generic |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| /** |
| * @file |
| * @brief Capabilities definitions. |
| * |
| * Capabilities represent virtual rights that entitle their |
| * holder to perform certain security sensitive tasks. |
| * |
| * Each task can have arbitrary combination of the capabilities |
| * defined in this file. Therefore, they are required to be powers |
| * of two. |
| */ |
| |
| #ifndef __CAP_H__ |
| #define __CAP_H__ |
| |
| #include <syscall/sysarg64.h> |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| /** |
| * CAP_CAP allows its holder to grant/revoke arbitrary |
| * privilege to/from other tasks. |
| */ |
| #define CAP_CAP (1<<0) |
| |
| /** |
| * CAP_MEM_MANAGER allows its holder to map physical memory |
| * to other tasks. |
| */ |
| #define CAP_MEM_MANAGER (1<<1) |
| |
| /** |
| * CAP_IO_MANAGER allows its holder to access I/O space |
| * to other tasks. |
| */ |
| #define CAP_IO_MANAGER (1<<2) |
| |
| /** |
| * CAP_PREEMPT_CONTROL allows its holder to disable/enable preemption. |
| */ |
| #define CAP_PREEMPT_CONTROL (1<<3) |
| |
| /** |
| * CAP_IRQ_REG entitles its holder to register IRQ handlers. |
| */ |
| #define CAP_IRQ_REG (1<<4) |
| |
| typedef uint32_t cap_t; |
| |
| extern void cap_set(task_t *t, cap_t caps); |
| extern cap_t cap_get(task_t *t); |
| |
| extern unative_t sys_cap_grant(sysarg64_t *uspace_taskid_arg, cap_t caps); |
| extern unative_t sys_cap_revoke(sysarg64_t *uspace_taskid_arg, cap_t caps); |
| |
| #endif |
| |
| /** @} |
| */ |
| |