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| Rev | Author | Line No. | Line |
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| 1180 | jermar | 1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <ddi.h> |
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| 30 | #include <libc.h> |
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| 31 | #include <task.h> |
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| 32 | #include <kernel/ddi/ddi_arg.h> |
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| 33 | |||
| 34 | /** Map piece of physical memory to task. |
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| 35 | * |
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| 36 | * Caller of this function must have the CAP_MEM_MANAGER capability. |
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| 37 | * |
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| 38 | * @param id Task ID. |
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| 39 | * @param pf Physical address of the starting frame. |
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| 40 | * @param vp Virtual address of the sterting page. |
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| 41 | * @param pages Number of pages to map. |
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| 1430 | jermar | 42 | * @param flags Flags for the new address space area. |
| 1180 | jermar | 43 | * |
| 44 | * @return 0 on success, EPERM if the caller lacks the CAP_MEM_MANAGER capability, |
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| 45 | * ENOENT if there is no task with specified ID and ENOMEM if there |
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| 46 | * was some problem in creating address space area. |
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| 47 | */ |
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| 1493 | palkovsky | 48 | int map_physmem(void *pf, void *vp, unsigned long pages, int flags) |
| 1180 | jermar | 49 | { |
| 1493 | palkovsky | 50 | return __SYSCALL4(SYS_MAP_PHYSMEM, (sysarg_t) pf, (sysarg_t)vp, pages, flags); |
| 1180 | jermar | 51 | } |
| 1192 | jermar | 52 | |
| 53 | /** Enable I/O space range to task. |
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| 54 | * |
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| 55 | * Caller of this function must have the IO_MEM_MANAGER capability. |
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| 56 | * |
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| 57 | * @param id Task ID. |
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| 58 | * @param ioaddr Starting address of the I/O range. |
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| 59 | * @param size Size of the range. |
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| 60 | * |
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| 61 | * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability, |
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| 62 | * ENOENT if there is no task with specified ID and ENOMEM if there |
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| 63 | * was some problem in allocating memory. |
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| 64 | */ |
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| 1254 | jermar | 65 | int iospace_enable(task_id_t id, void *ioaddr, unsigned long size) |
| 1192 | jermar | 66 | { |
| 67 | task_id_t task_id; |
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| 68 | ddi_ioarg_t arg; |
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| 69 | |||
| 70 | arg.task_id = id; |
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| 71 | arg.ioaddr = ioaddr; |
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| 72 | arg.size = size; |
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| 73 | |||
| 1254 | jermar | 74 | return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg); |
| 1192 | jermar | 75 | } |
| 1213 | palkovsky | 76 | |
| 77 | /** Interrupt control |
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| 78 | * |
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| 79 | * @param enable 1 - enable interrupts, 0 - disable interrupts |
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| 80 | */ |
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| 1279 | palkovsky | 81 | int preemption_control(int enable) |
| 1213 | palkovsky | 82 | { |
| 1279 | palkovsky | 83 | return __SYSCALL1(SYS_PREEMPT_CONTROL, (sysarg_t) enable); |
| 1213 | palkovsky | 84 | } |