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1281 palkovsky 1
/*
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 * Copyright (C) 2006 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef __IRQ_H__
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#define __IRQ_H__
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/** Maximum length of IPC IRQ program */
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#define IRQ_MAX_PROG_SIZE 10
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/** Reserved 'virtual' messages for kernel notifications */
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#define IPC_IRQ_RESERVED_VIRTUAL 10
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#define IPC_IRQ_KLOG  (-1)
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typedef enum {
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    CMD_MEM_READ_1 = 0,
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    CMD_MEM_READ_2,
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    CMD_MEM_READ_4,
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    CMD_MEM_READ_8,
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    CMD_MEM_WRITE_1,
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    CMD_MEM_WRITE_2,
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    CMD_MEM_WRITE_4,
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    CMD_MEM_WRITE_8,
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    CMD_PORT_READ_1,
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    CMD_PORT_WRITE_1,
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    CMD_IA64_GETCHAR,
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    CMD_PPC32_GETCHAR,
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    CMD_LAST
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} irq_cmd_type;
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typedef struct {
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    irq_cmd_type cmd;
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    void *addr;
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    unsigned long long value;
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} irq_cmd_t;
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typedef struct {
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    unsigned int cmdcount;
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    irq_cmd_t *cmds;
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} irq_code_t;
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#ifdef KERNEL
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#include <ipc/ipc.h>
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extern void ipc_irq_make_table(int irqcount);
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extern int ipc_irq_register(answerbox_t *box, int irq, irq_code_t *ucode);
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extern void ipc_irq_send_notif(int irq);
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extern void ipc_irq_send_msg(int irq, __native a2, __native a3);
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extern void ipc_irq_unregister(answerbox_t *box, int irq);
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extern void irq_ipc_bind_arch(__native irq);
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extern void ipc_irq_cleanup(answerbox_t *box);
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#endif
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#endif