i82093var.h revision 1.2 1 1.2 fvdl /* $NetBSD: i82093var.h,v 1.2 2002/10/01 12:57:05 fvdl Exp $ */
2 1.2 fvdl
3 1.2 fvdl /*-
4 1.2 fvdl * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 1.2 fvdl * All rights reserved.
6 1.2 fvdl *
7 1.2 fvdl * This code is derived from software contributed to The NetBSD Foundation
8 1.2 fvdl * by RedBack Networks Inc.
9 1.2 fvdl *
10 1.2 fvdl * Author: Bill Sommerfeld
11 1.2 fvdl *
12 1.2 fvdl * Redistribution and use in source and binary forms, with or without
13 1.2 fvdl * modification, are permitted provided that the following conditions
14 1.2 fvdl * are met:
15 1.2 fvdl * 1. Redistributions of source code must retain the above copyright
16 1.2 fvdl * notice, this list of conditions and the following disclaimer.
17 1.2 fvdl * 2. Redistributions in binary form must reproduce the above copyright
18 1.2 fvdl * notice, this list of conditions and the following disclaimer in the
19 1.2 fvdl * documentation and/or other materials provided with the distribution.
20 1.2 fvdl * 3. All advertising materials mentioning features or use of this software
21 1.2 fvdl * must display the following acknowledgement:
22 1.2 fvdl * This product includes software developed by the NetBSD
23 1.2 fvdl * Foundation, Inc. and its contributors.
24 1.2 fvdl * 4. Neither the name of The NetBSD Foundation nor the names of its
25 1.2 fvdl * contributors may be used to endorse or promote products derived
26 1.2 fvdl * from this software without specific prior written permission.
27 1.2 fvdl *
28 1.2 fvdl * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 1.2 fvdl * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 1.2 fvdl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 1.2 fvdl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 1.2 fvdl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 1.2 fvdl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 1.2 fvdl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 1.2 fvdl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 1.2 fvdl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 1.2 fvdl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 1.2 fvdl * POSSIBILITY OF SUCH DAMAGE.
39 1.2 fvdl */
40 1.2 fvdl
41 1.2 fvdl #ifndef _I386_I82093VAR_H_
42 1.2 fvdl #define _I386_I82093VAR_H_
43 1.2 fvdl
44 1.2 fvdl #include <machine/apicvar.h>
45 1.2 fvdl
46 1.2 fvdl struct ioapic_pin
47 1.2 fvdl {
48 1.2 fvdl struct intrhand *ip_handler;
49 1.2 fvdl struct ioapic_pin *ip_next; /* next pin on this vector */
50 1.2 fvdl struct mp_intr_map *ip_map;
51 1.2 fvdl int ip_vector; /* IDT vector */
52 1.2 fvdl int ip_type;
53 1.2 fvdl int ip_minlevel;
54 1.2 fvdl int ip_maxlevel;
55 1.2 fvdl };
56 1.2 fvdl
57 1.2 fvdl struct ioapic_softc {
58 1.2 fvdl struct device sc_dev; /* generic device glue */
59 1.2 fvdl struct ioapic_softc *sc_next;
60 1.2 fvdl int sc_apicid;
61 1.2 fvdl int sc_apic_vers;
62 1.2 fvdl int sc_apic_sz; /* apic size*/
63 1.2 fvdl int sc_flags;
64 1.2 fvdl paddr_t sc_pa; /* PA of ioapic */
65 1.2 fvdl volatile u_int32_t *sc_reg; /* KVA of ioapic addr */
66 1.2 fvdl volatile u_int32_t *sc_data; /* KVA of ioapic data */
67 1.2 fvdl struct ioapic_pin *sc_pins; /* sc_apic_sz entries */
68 1.2 fvdl };
69 1.2 fvdl
70 1.2 fvdl /*
71 1.2 fvdl * MP: intr_handle_t is bitfielded.
72 1.2 fvdl * ih&0xff -> legacy irq number.
73 1.2 fvdl * ih&0x10000000 -> if 0, old-style isa irq; if 1, routed via ioapic.
74 1.2 fvdl * (ih&0xff0000)>>16 -> ioapic id.
75 1.2 fvdl * (ih&0x00ff00)>>8 -> ioapic pin.
76 1.2 fvdl */
77 1.2 fvdl
78 1.2 fvdl #define APIC_INT_VIA_APIC 0x10000000
79 1.2 fvdl #define APIC_INT_APIC_MASK 0x00ff0000
80 1.2 fvdl #define APIC_INT_APIC_SHIFT 16
81 1.2 fvdl #define APIC_INT_PIN_MASK 0x0000ff00
82 1.2 fvdl #define APIC_INT_PIN_SHIFT 8
83 1.2 fvdl
84 1.2 fvdl #define APIC_IRQ_APIC(x) ((x & APIC_INT_APIC_MASK) >> APIC_INT_APIC_SHIFT)
85 1.2 fvdl #define APIC_IRQ_PIN(x) ((x & APIC_INT_PIN_MASK) >> APIC_INT_PIN_SHIFT)
86 1.2 fvdl
87 1.2 fvdl void *apic_intr_establish __P((int, int, int, int (*)(void *), void *));
88 1.2 fvdl void apic_intr_disestablish __P((void *));
89 1.2 fvdl
90 1.2 fvdl void ioapic_print_redir (struct ioapic_softc *, char *, int);
91 1.2 fvdl void ioapic_format_redir (char *, char *, int, u_int32_t, u_int32_t);
92 1.2 fvdl struct ioapic_softc *ioapic_find (int);
93 1.2 fvdl
94 1.2 fvdl void ioapic_enable __P((void));
95 1.2 fvdl void lapic_vectorset __P((void)); /* XXX */
96 1.2 fvdl
97 1.2 fvdl extern int ioapic_bsp_id;
98 1.2 fvdl
99 1.2 fvdl #endif /* !_I386_I82093VAR_H_ */
100