xref: /illumos-gate/usr/src/cmd/perl/contrib/Sun/Solaris/Intrs/Intrs.xs (revision 3e95bd4ab92abca814bd28e854607d1975c7dc88)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 #include <sys/pci.h>
29 #include <fcntl.h>
30 #include <unistd.h>
31 #include <stropts.h>
32 #include <stdio.h>
33 #include <errno.h>
34 
35 /* Non-shipping header - see Makefile.PL */
36 #include <sys/pci_tools.h>
37 
38 #include "EXTERN.h"
39 #include "perl.h"
40 #include "XSUB.h"
41 
42 static int
43 open_dev(char *path)
44 {
45 	char intrpath[MAXPATHLEN];
46 
47 	(void) strcpy(intrpath, "/devices");
48 	(void) strcat(intrpath, path);
49 	(void) strcat(intrpath, ":intr");
50 	return (open(intrpath, O_RDWR));
51 }
52 
53 MODULE = Sun::Solaris::Intrs		PACKAGE = Sun::Solaris::Intrs
54 PROTOTYPES: ENABLE
55 
56 int
57 intrmove(path, ino, cpu, num_ino)
58 	char *path
59 	int ino
60 	int cpu
61 	int num_ino
62     INIT:
63 	int fd, ret;
64 	pcitool_intr_set_t iset;
65 
66     CODE:
67 	if ((fd = open_dev(path)) == -1) {
68 		XSRETURN_UNDEF;
69 	}
70 	iset.ino = ino;
71 	iset.cpu_id = cpu;
72 	iset.flags = (num_ino > 1) ? PCITOOL_INTR_FLAG_SET_GROUP : 0;
73 	iset.user_version = PCITOOL_VERSION;
74 
75 	ret = ioctl(fd, PCITOOL_DEVICE_SET_INTR, &iset);
76 
77 	if (ret == -1) {
78 		XSRETURN_UNDEF;
79 	}
80 	(void) close(fd);
81 	XSRETURN_YES;
82 
83 int
84 is_pcplusmp(path)
85 	char *path
86 
87     INIT:
88 	int fd, ret;
89 	pcitool_intr_info_t iinfo;
90 
91     CODE:
92 	if ((fd = open_dev(path)) == -1) {
93 		XSRETURN_UNDEF;
94 	}
95 	iinfo.user_version = PCITOOL_VERSION;
96 
97 	ret = ioctl(fd, PCITOOL_SYSTEM_INTR_INFO, &iinfo);
98 	(void) close(fd);
99 
100 	if (ret == -1) {
101 		XSRETURN_UNDEF;
102 	}
103 
104 	if (iinfo.ctlr_type == PCITOOL_CTLR_TYPE_PCPLUSMP) {
105 		XSRETURN_YES;
106 	}
107 
108 	XSRETURN_NO;
109