xref: /illumos-gate/usr/src/cmd/perl/contrib/Sun/Solaris/Intrs/Intrs.xs (revision d8d810637042c2a73a269f125dee75e8ed1421d1)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <sys/pci.h>
30 #include <fcntl.h>
31 #include <unistd.h>
32 #include <stropts.h>
33 #include <stdio.h>
34 #include <errno.h>
35 
36 /* Non-shipping header - see Makefile.PL */
37 #include <pci_tools.h>
38 
39 #include "EXTERN.h"
40 #include "perl.h"
41 #include "XSUB.h"
42 
43 static int
44 open_dev(char *path)
45 {
46 	char intrpath[MAXPATHLEN];
47 
48 	(void) strcpy(intrpath, "/devices");
49 	(void) strcat(intrpath, path);
50 	(void) strcat(intrpath, ":intr");
51 	return (open(intrpath, O_RDWR));
52 }
53 
54 MODULE = Sun::Solaris::Intrs		PACKAGE = Sun::Solaris::Intrs
55 PROTOTYPES: ENABLE
56 
57 int
58 intrmove(path, ino, cpu, num_ino)
59 	char *path
60 	int ino
61 	int cpu
62 	int num_ino
63     INIT:
64 	int fd, ret;
65 	pcitool_intr_set_t iset;
66 
67     CODE:
68 	if ((fd = open_dev(path)) == -1) {
69 		XSRETURN_UNDEF;
70 	}
71 	iset.ino = ino;
72 	iset.cpu_id = cpu;
73 	iset.flags = (num_ino > 1) ? PCITOOL_INTR_FLAG_SET_GROUP : 0;
74 	iset.user_version = PCITOOL_VERSION;
75 
76 	ret = ioctl(fd, PCITOOL_DEVICE_SET_INTR, &iset);
77 
78 	if (ret == -1) {
79 		XSRETURN_UNDEF;
80 	}
81 	(void) close(fd);
82 	XSRETURN_YES;
83 
84 int
85 is_pcplusmp(path)
86 	char *path
87 
88     INIT:
89 	int fd, ret;
90 	pcitool_intr_info_t iinfo;
91 
92     CODE:
93 	if ((fd = open_dev(path)) == -1) {
94 		XSRETURN_UNDEF;
95 	}
96 	iinfo.user_version = PCITOOL_VERSION;
97 
98 	ret = ioctl(fd, PCITOOL_SYSTEM_INTR_INFO, &iinfo);
99 	(void) close(fd);
100 
101 	if (ret == -1) {
102 		XSRETURN_UNDEF;
103 	}
104 
105 	if (iinfo.ctlr_type == PCITOOL_CTLR_TYPE_PCPLUSMP) {
106 		XSRETURN_YES;
107 	}
108 
109 	XSRETURN_NO;
110