1 1.15 macallan /* $NetBSD: picvar.h,v 1.15 2025/07/05 15:11:05 macallan Exp $ */ 2 1.2 garbled 3 1.2 garbled /*- 4 1.2 garbled * Copyright (c) 2007 Michael Lorenz 5 1.2 garbled * All rights reserved. 6 1.2 garbled * 7 1.2 garbled * Redistribution and use in source and binary forms, with or without 8 1.2 garbled * modification, are permitted provided that the following conditions 9 1.2 garbled * are met: 10 1.2 garbled * 1. Redistributions of source code must retain the above copyright 11 1.2 garbled * notice, this list of conditions and the following disclaimer. 12 1.2 garbled * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 garbled * notice, this list of conditions and the following disclaimer in the 14 1.2 garbled * documentation and/or other materials provided with the distribution. 15 1.2 garbled * 16 1.2 garbled * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.2 garbled * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.2 garbled * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.2 garbled * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.2 garbled * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.2 garbled * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.2 garbled * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.2 garbled * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.2 garbled * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.2 garbled * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2 garbled * POSSIBILITY OF SUCH DAMAGE. 27 1.2 garbled */ 28 1.2 garbled 29 1.12 rin #include <sys/cdefs.h> 30 1.15 macallan __KERNEL_RCSID(0, "$NetBSD: picvar.h,v 1.15 2025/07/05 15:11:05 macallan Exp $"); 31 1.12 rin 32 1.2 garbled #ifndef PIC_VAR_H 33 1.2 garbled #define PIC_VAR_H 34 1.2 garbled 35 1.9 matt #include <sys/intr.h> 36 1.2 garbled 37 1.2 garbled struct pic_ops { 38 1.2 garbled void *pic_cookie; /* private stuff / hardware info */ 39 1.2 garbled int pic_intrbase; /* global number of the 1st IRQ we handle */ 40 1.2 garbled int pic_numintrs; /* how many IRQs do we handle? */ 41 1.2 garbled /* 42 1.2 garbled * all functions that take an IRQ number as argument need a local 43 1.2 garbled * interrupt number 44 1.2 garbled */ 45 1.2 garbled void (*pic_enable_irq)(struct pic_ops *, int, int); 46 1.2 garbled void (*pic_reenable_irq)(struct pic_ops *, int, int); 47 1.2 garbled void (*pic_disable_irq)(struct pic_ops *, int); 48 1.3 garbled int (*pic_get_irq)(struct pic_ops *, int); /* PIC_GET_* */ 49 1.2 garbled void (*pic_ack_irq)(struct pic_ops *, int); /* IRQ numbner */ 50 1.2 garbled /* IRQ number, type, priority */ 51 1.2 garbled void (*pic_establish_irq)(struct pic_ops *, int, int, int); 52 1.2 garbled /* finish setup after CPUs are attached */ 53 1.2 garbled void (*pic_finish_setup)(struct pic_ops *); 54 1.2 garbled char pic_name[16]; 55 1.2 garbled }; 56 1.2 garbled 57 1.2 garbled struct intr_source { 58 1.2 garbled int is_type; 59 1.8 matt int is_ipl; 60 1.2 garbled int is_hwirq; 61 1.7 kiyohara imask_t is_mask; 62 1.2 garbled struct intrhand *is_hand; 63 1.2 garbled struct pic_ops *is_pic; 64 1.14 jmcneill bool is_cascaded; 65 1.2 garbled struct evcnt is_ev; 66 1.13 rin char is_evname[16]; 67 1.13 rin char is_intrid[INTRIDBUF]; 68 1.2 garbled }; 69 1.2 garbled 70 1.4 garbled #define OPENPIC_MAX_ISUS 4 71 1.4 garbled #define OPENPIC_FLAG_DIST (1<<0) 72 1.4 garbled #define OPENPIC_FLAG_LE (1<<1) 73 1.4 garbled 74 1.4 garbled struct openpic_ops { 75 1.4 garbled struct pic_ops pic; 76 1.4 garbled uint32_t flags; 77 1.4 garbled int nrofisus; 78 1.4 garbled volatile unsigned char **isu; 79 1.4 garbled uint8_t *irq_per; 80 1.4 garbled }; 81 1.4 garbled 82 1.2 garbled struct i8259_ops { 83 1.2 garbled struct pic_ops pic; 84 1.2 garbled uint32_t pending_events; 85 1.2 garbled uint32_t enable_mask; 86 1.2 garbled uint32_t irqs; 87 1.2 garbled }; 88 1.2 garbled 89 1.2 garbled /* 90 1.2 garbled * add a pic, fill in pic_intrbase, return pic_intrbase on success, 91 1.2 garbled * -1 otherwise 92 1.2 garbled * the PIC must be initialized and ready for use 93 1.2 garbled */ 94 1.2 garbled int pic_add(struct pic_ops *); 95 1.2 garbled 96 1.2 garbled void pic_do_pending_int(void); 97 1.2 garbled void pic_enable_irq(int); 98 1.2 garbled void pic_disable_irq(int); 99 1.2 garbled int pic_handle_intr(void *); 100 1.2 garbled void pic_mark_pending(int); 101 1.2 garbled void pic_ext_intr(void); 102 1.2 garbled void pic_init(void); 103 1.2 garbled const char *intr_typename(int); 104 1.2 garbled void dummy_pic_establish_intr(struct pic_ops *, int, int, int); 105 1.2 garbled 106 1.2 garbled /* this is called after attaching CPUs so PICs can setup interrupt routing */ 107 1.2 garbled void pic_finish_setup(void); 108 1.2 garbled 109 1.2 garbled /* address, enable passthrough */ 110 1.2 garbled #define PIC_IVR_IBM 0 111 1.2 garbled #define PIC_IVR_MOT 1 112 1.3 garbled #define PIC_GET_IRQ 0 113 1.3 garbled #define PIC_GET_RECHECK 1 114 1.2 garbled struct pic_ops *setup_openpic(void *, int); 115 1.4 garbled struct pic_ops *setup_distributed_openpic(void *, int, void **, int *); 116 1.2 garbled struct pic_ops *setup_prepivr(int); 117 1.2 garbled struct pic_ops *setup_i8259(void); 118 1.6 nisimura struct pic_ops *setup_mpcpic(void *); 119 1.6 nisimura void mpcpic_reserv16(void); 120 1.15 macallan struct pic_ops *find_pic_by_cookie(void *); 121 1.2 garbled 122 1.2 garbled /* i8259 common decls */ 123 1.2 garbled void i8259_initialize(void); 124 1.2 garbled void i8259_enable_irq(struct pic_ops *, int, int); 125 1.2 garbled void i8259_disable_irq(struct pic_ops *, int); 126 1.2 garbled void i8259_ack_irq(struct pic_ops *, int); 127 1.3 garbled int i8259_get_irq(struct pic_ops *, int); 128 1.2 garbled 129 1.4 garbled /* openpic common decls */ 130 1.4 garbled void opic_finish_setup(struct pic_ops *pic); 131 1.4 garbled void openpic_set_priority(int cpu, int pri); 132 1.4 garbled int opic_get_irq(struct pic_ops *pic, int mode); 133 1.4 garbled void opic_ack_irq(struct pic_ops *pic, int irq); 134 1.4 garbled 135 1.2 garbled /* IPI handler */ 136 1.2 garbled int cpuintr(void *); 137 1.2 garbled /* XXX - may need to be PIC specific */ 138 1.10 macallan #define IPI_VECTOR 128 139 1.2 garbled 140 1.2 garbled #endif /* PIC_VAR_H */ 141
Indexes created Tue Sep 23 07:09:52 GMT 2025