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| 1281 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
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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 | |||
| 1888 | jermar | 29 | /** @addtogroup genericipc |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1919 | jermar | 35 | #ifndef KERN_IPC_IRQ_H_ |
| 36 | #define KERN_IPC_IRQ_H_ |
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| 1281 | palkovsky | 37 | |
| 1595 | palkovsky | 38 | /** Maximum length of IPC IRQ program */ |
| 1281 | palkovsky | 39 | #define IRQ_MAX_PROG_SIZE 10 |
| 40 | |||
| 41 | typedef enum { |
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| 42 | CMD_MEM_READ_1 = 0, |
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| 43 | CMD_MEM_READ_2, |
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| 44 | CMD_MEM_READ_4, |
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| 45 | CMD_MEM_READ_8, |
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| 46 | CMD_MEM_WRITE_1, |
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| 47 | CMD_MEM_WRITE_2, |
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| 48 | CMD_MEM_WRITE_4, |
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| 49 | CMD_MEM_WRITE_8, |
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| 1284 | palkovsky | 50 | CMD_PORT_READ_1, |
| 51 | CMD_PORT_WRITE_1, |
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| 1507 | vana | 52 | CMD_IA64_GETCHAR, |
| 1625 | decky | 53 | CMD_PPC32_GETCHAR, |
| 1281 | palkovsky | 54 | CMD_LAST |
| 55 | } irq_cmd_type; |
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| 56 | |||
| 57 | typedef struct { |
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| 58 | irq_cmd_type cmd; |
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| 59 | void *addr; |
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| 60 | unsigned long long value; |
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| 1693 | palkovsky | 61 | int dstarg; |
| 1281 | palkovsky | 62 | } irq_cmd_t; |
| 63 | |||
| 64 | typedef struct { |
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| 65 | unsigned int cmdcount; |
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| 66 | irq_cmd_t *cmds; |
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| 67 | } irq_code_t; |
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| 68 | |||
| 69 | #ifdef KERNEL |
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| 70 | |||
| 1595 | palkovsky | 71 | #include <ipc/ipc.h> |
| 1923 | jermar | 72 | #include <typedefs.h> |
| 73 | #include <arch/types.h> |
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| 1933 | jermar | 74 | #include <adt/list.h> |
| 1595 | palkovsky | 75 | |
| 1923 | jermar | 76 | /** IPC notification config structure. |
| 77 | * |
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| 78 | * Primarily, this structure is encapsulated in the irq_t structure. |
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| 79 | * It is protected by irq_t::lock. |
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| 80 | */ |
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| 81 | struct ipc_notif_cfg { |
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| 1932 | jermar | 82 | bool notify; /**< When false, notifications are not sent. */ |
| 1923 | jermar | 83 | answerbox_t *answerbox; /**< Answerbox for notifications. */ |
| 84 | unative_t method; /**< Method to be used for the notification. */ |
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| 85 | irq_code_t *code; /**< Top-half pseudocode. */ |
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| 86 | count_t counter; /**< Counter. */ |
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| 1933 | jermar | 87 | link_t link; /**< Link between IRQs that are notifying the |
| 88 | same answerbox. The list is protected by |
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| 89 | the answerbox irq_lock. */ |
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| 1923 | jermar | 90 | }; |
| 91 | |||
| 92 | extern int ipc_irq_register(answerbox_t *box, inr_t inr, devno_t devno, unative_t method, |
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| 93 | irq_code_t *ucode); |
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| 94 | extern void ipc_irq_send_notif(irq_t *irq); |
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| 95 | extern void ipc_irq_send_msg(irq_t *irq, unative_t a1, unative_t a2, unative_t a3); |
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| 96 | extern void ipc_irq_unregister(answerbox_t *box, inr_t inr, devno_t devno); |
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| 1281 | palkovsky | 97 | extern void ipc_irq_cleanup(answerbox_t *box); |
| 98 | |||
| 99 | #endif |
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| 100 | |||
| 101 | #endif |
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| 1702 | cejka | 102 | |
| 1888 | jermar | 103 | /** @} |
| 1702 | cejka | 104 | */ |