1 /* $NetBSD: sysarch.h,v 1.20 2012/02/06 02:14:13 matt Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _ALPHA_SYSARCH_H_
33 #define _ALPHA_SYSARCH_H_
34 
35 #include <machine/bus_user.h>
36 #include <machine/ieeefp.h>
37 
38 /*
39  * Architecture specific syscalls (ALPHA)
40  */
41 
42 #define   ALPHA_FPGETMASK                         0
43 #define   ALPHA_FPSETMASK                         1
44 #define   ALPHA_FPSETSTICKY             2
45 #define   ALPHA_BUS_GET_WINDOW_COUNT    3
46 #define   ALPHA_BUS_GET_WINDOW                    4
47 #define   ALPHA_PCI_CONF_READWRITE      5
48 #define   ALPHA_FPGETSTICKY             6
49 #define   ALPHA_GET_FP_C                          7
50 #define   ALPHA_SET_FP_C                          8
51 
52 struct alpha_fp_except_args {
53           fp_except mask;
54 };
55 
56 struct alpha_fp_c_args {
57           uint64_t fp_c;
58 };
59 
60 struct alpha_bus_get_window_count_args {
61           u_int type;
62           u_int count;        /* output */
63 };
64 
65 struct alpha_bus_get_window_args {
66           u_int type;
67           u_int window;
68           struct alpha_bus_space_translation *translation; /* output */
69 };
70 
71 #define   ALPHA_BUS_TYPE_PCI_IO                   0
72 #define   ALPHA_BUS_TYPE_PCI_MEM                  1
73 #define   ALPHA_BUS_TYPE_MAX            1
74 
75 struct alpha_pci_conf_readwrite_args {
76           int write;
77           u_int bus;
78           u_int device;
79           u_int function;
80           u_int reg;
81           uint32_t val;
82 };
83 
84 #ifdef _KERNEL
85 extern    u_int alpha_bus_window_count[];
86 extern    int (*alpha_bus_get_window)(int, int,
87               struct alpha_bus_space_translation *);
88 extern    struct alpha_pci_chipset *alpha_pci_chipset;
89 #else
90 #include <sys/cdefs.h>
91 
92 struct alpha_bus_window {
93           void *              abw_addr;
94           size_t              abw_size;
95           struct alpha_bus_space_translation abw_abst;
96 };
97 
98 __BEGIN_DECLS
99 int       alpha_bus_getwindows(int, struct alpha_bus_window **);
100 int       alpha_bus_mapwindow(struct alpha_bus_window *);
101 void      alpha_bus_unmapwindow(struct alpha_bus_window *);
102 
103 void      *alpha_pci_mem_map(bus_addr_t, bus_size_t, int,
104               struct alpha_bus_space_translation *);
105 void      alpha_pci_mem_unmap(struct alpha_bus_space_translation *,
106               void *addr, bus_size_t);
107 
108 uint32_t alpha_pci_conf_read(u_int, u_int, u_int, u_int);
109 void      alpha_pci_conf_write(u_int, u_int, u_int, u_int, uint32_t);
110 
111 int       sysarch(int, void *);
112 __END_DECLS
113 #endif /* _KERNEL */
114 
115 #endif /* !_ALPHA_SYSARCH_H_ */
116