misc_link.c revision 5d41001a9500cedff204767de21831d30c455733
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <regex.h>
#include <devfsadm.h>
#include <stdio.h>
#include <strings.h>
#include <stdlib.h>
#include <limits.h>
#include <sys/zone.h>
#include <sys/zcons.h>
#include <sys/cpuid_drv.h>
static int display(di_minor_t minor, di_node_t node);
static int parallel(di_minor_t minor, di_node_t node);
static int node_slash_minor(di_minor_t minor, di_node_t node);
static int driver_minor(di_minor_t minor, di_node_t node);
static int node_name(di_minor_t minor, di_node_t node);
static int minor_name(di_minor_t minor, di_node_t node);
static int wifi_minor_name(di_minor_t minor, di_node_t node);
static int conskbd(di_minor_t minor, di_node_t node);
static int consms(di_minor_t minor, di_node_t node);
static int power_button(di_minor_t minor, di_node_t node);
static int fc_port(di_minor_t minor, di_node_t node);
static int printer_create(di_minor_t minor, di_node_t node);
static int se_hdlc_create(di_minor_t minor, di_node_t node);
static int ppm(di_minor_t minor, di_node_t node);
static int gpio(di_minor_t minor, di_node_t node);
static int av_create(di_minor_t minor, di_node_t node);
static int tsalarm_create(di_minor_t minor, di_node_t node);
static int ntwdt_create(di_minor_t minor, di_node_t node);
static int zcons_create(di_minor_t minor, di_node_t node);
static int cpuid(di_minor_t minor, di_node_t node);
static int glvc(di_minor_t minor, di_node_t node);
static int ses_callback(di_minor_t minor, di_node_t node);
static int kmdrv_create(di_minor_t minor, di_node_t node);
static devfsadm_create_t misc_cbt[] = {
{ "pseudo", "ddi_pseudo", "(^sad$)",
TYPE_EXACT | DRV_RE, ILEVEL_0, node_slash_minor
},
{ "pseudo", "ddi_pseudo", "zsh",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, driver_minor
},
{ "network", "ddi_network", NULL,
TYPE_EXACT, ILEVEL_0, minor_name
},
{ "wifi", "ddi_network:wifi", NULL,
TYPE_EXACT, ILEVEL_0, wifi_minor_name
},
{ "display", "ddi_display", NULL,
TYPE_EXACT, ILEVEL_0, display
},
{ "parallel", "ddi_parallel", NULL,
TYPE_EXACT, ILEVEL_0, parallel
},
{ "enclosure", DDI_NT_SCSI_ENCLOSURE, NULL,
TYPE_EXACT, ILEVEL_0, ses_callback
},
{ "pseudo", "ddi_pseudo", "(^winlock$)|(^pm$)",
TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
},
{ "pseudo", "ddi_pseudo", "conskbd",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, conskbd
},
{ "pseudo", "ddi_pseudo", "consms",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
},
{ "pseudo", "ddi_pseudo", "rsm",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
},
{ "pseudo", "ddi_pseudo",
"(^lockstat$)|(^SUNW,rtvc$)|(^vol$)|(^log$)|(^sy$)|"
"(^ksyms$)|(^clone$)|(^tl$)|(^tnf$)|(^kstat$)|(^mdesc$)|(^eeprom$)|"
"(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^svvslo$)|(^ptm$)|"
"(^ptc$)|(^openeepr$)|(^poll$)|(^sysmsg$)|(^random$)|(^trapstat$)|"
"(^cryptoadm$)|(^crypto$)|(^pool$)|(^poolctl$)|(^bl$)|(^kmdb$)|"
"(^sysevent$)|(^kssl$)|(^physmem$)",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
},
{ "pseudo", "ddi_pseudo",
"(^ip$)|(^tcp$)|(^udp$)|(^icmp$)|"
"(^ip6$)|(^tcp6$)|(^udp6$)|(^icmp6$)|"
"(^rts$)|(^arp$)|(^ipsecah$)|(^ipsecesp$)|(^keysock$)|(^spdsock$)|"
"(^nca$)|(^rds$)|(^sdp$)|(^ipnet$)|(^dlpistub$)|(^bpf$)",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
},
{ "pseudo", "ddi_pseudo",
"(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
"(^ipsync$)|(^ipscan$)|(^iplookup$)",
TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
},
{ "pseudo", "ddi_pseudo", "dld",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
},
{ "pseudo", "ddi_pseudo",
"(^kdmouse$)|(^rootprop$)",
TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
},
{ "pseudo", "ddi_pseudo", "tod",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
},
{ "pseudo", "ddi_pseudo", "envctrl(two)?",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
},
{ "pseudo", "ddi_pseudo", "fcode",
TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
},
{ "power_button", "ddi_power_button", NULL,
TYPE_EXACT, ILEVEL_0, power_button,
},
{ "FC port", "ddi_ctl:devctl", "fp",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
},
{ "printer", "ddi_printer", NULL,
TYPE_EXACT, ILEVEL_0, printer_create
},
{ "pseudo", "ddi_pseudo", "se",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
},
{ "ppm", "ddi_ppm", NULL,
TYPE_EXACT, ILEVEL_0, ppm
},
{ "pseudo", "ddi_pseudo", "gpio_87317",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
},
{ "pseudo", "ddi_pseudo", "sckmdrv",
TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
},
{ "pseudo", "ddi_pseudo", "oplkmdrv",
TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
},
{ "av", "^ddi_av:(isoch|async)$", NULL,
TYPE_RE, ILEVEL_0, av_create,
},
{ "pseudo", "ddi_pseudo", "tsalarm",
TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
},
{ "pseudo", "ddi_pseudo", "ntwdt",
TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
},
{ "pseudo", "ddi_pseudo", "daplt",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
},
{ "pseudo", "ddi_pseudo", "zcons",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
},
{ "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
},
{ "pseudo", "ddi_pseudo", "glvc",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
},
{ "pseudo", "ddi_pseudo", "dm2s",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
},
{ "pseudo", "ddi_pseudo", "nsmb",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
},
{ "pseudo", "ddi_pseudo", "mem_cache",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
},
{ "pseudo", "ddi_pseudo", "fm",
TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
},
{ "pseudo", "ddi_pseudo", "tpm",
TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
},
};
DEVFSADM_CREATE_INIT_V0(misc_cbt);
static devfsadm_remove_t misc_remove_cbt[] = {
{ "pseudo", "^profile$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^rsm$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "printer", "^printers/[0-9]+$",
RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "av", "^av/[0-9]+/(async|isoch)$",
RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^daplt$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
ZCONS_SLAVE_NAME ")$",
RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
ILEVEL_0, devfsadm_rm_all
},
{ "enclosure", "^es/ses[0-9]+$", RM_POST,
ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^pfil$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^tpm$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
},
{ "pseudo", "^sctp|sctp6$",
RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_link
}
};
/* Rules for gpio devices */
static devfsadm_enumerate_t gpio_rules[1] =
{"^gpio([0-9]+)$", 1, MATCH_ALL};
DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
/*
* Handles minor node type "ddi_display".
*
* type=ddi_display fbs/\M0 fb\N0
*/
static int
display(di_minor_t minor, di_node_t node)
{
char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
char *mn = di_minor_name(minor);
/* create fbs/\M0 primary link */
(void) strcpy(l_path, "fbs/");
(void) strcat(l_path, mn);
(void) devfsadm_mklink(l_path, node, minor, 0);
/* create fb\N0 which links to fbs/\M0 */
if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
return (DEVFSADM_CONTINUE);
}
(void) strcpy(contents, l_path);
(void) strcpy(l_path, "fb");
(void) strcat(l_path, buf);
free(buf);
(void) devfsadm_secondary_link(l_path, contents, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles minor node type "ddi_parallel".
* type=ddi_parallel;name=mcpp mcpp\N0
*/
static int
parallel(di_minor_t minor, di_node_t node)
{
char path[PATH_MAX + 1], *buf;
devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
if (strcmp(di_node_name(node), "mcpp") != 0) {
return (DEVFSADM_CONTINUE);
}
if (NULL == (buf = di_devfs_path(node))) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "%s:%s",
buf, di_minor_name(minor));
di_devfs_path_free(buf);
if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "mcpp%s", buf);
free(buf);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
ses_callback(di_minor_t minor, di_node_t node)
{
char l_path[PATH_MAX];
char *buf;
char *devfspath;
char p_path[PATH_MAX];
devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
/* find devices path -- need to free mem */
if (NULL == (devfspath = di_devfs_path(node))) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
di_minor_name(minor));
/* find next number to use; buf is an ascii number */
if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
/* free memory */
di_devfs_path_free(devfspath);
return (DEVFSADM_CONTINUE);
}
(void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
(void) devfsadm_mklink(l_path, node, minor, 0);
/* free memory */
free(buf);
di_devfs_path_free(devfspath);
return (DEVFSADM_CONTINUE);
}
static int
node_slash_minor(di_minor_t minor, di_node_t node)
{
char path[PATH_MAX + 1];
(void) strcpy(path, di_node_name(node));
(void) strcat(path, "/");
(void) strcat(path, di_minor_name(minor));
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
driver_minor(di_minor_t minor, di_node_t node)
{
char path[PATH_MAX + 1];
(void) strcpy(path, di_driver_name(node));
(void) strcat(path, di_minor_name(minor));
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles links of the form:
* type=ddi_pseudo;name=xyz \D
*/
static int
node_name(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink(di_node_name(node), node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles links of the form:
* type=ddi_pseudo;name=xyz \M0
*/
static int
minor_name(di_minor_t minor, di_node_t node)
{
char *mn = di_minor_name(minor);
(void) devfsadm_mklink(mn, node, minor, 0);
if (strcmp(mn, "icmp") == 0) {
(void) devfsadm_mklink("rawip", node, minor, 0);
}
if (strcmp(mn, "icmp6") == 0) {
(void) devfsadm_mklink("rawip6", node, minor, 0);
}
if (strcmp(mn, "ipf") == 0) {
(void) devfsadm_mklink("ipl", node, minor, 0);
}
return (DEVFSADM_CONTINUE);
}
/*
* create links at /dev/wifi for wifi minor node
*/
static int
wifi_minor_name(di_minor_t minor, di_node_t node)
{
char buf[256];
char *mn = di_minor_name(minor);
(void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
(void) devfsadm_mklink(buf, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
conskbd(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("kbd", node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
consms(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("mouse", node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
power_button(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("power_button", node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
fc_port(di_minor_t minor, di_node_t node)
{
devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
char *buf, path[PATH_MAX + 1];
char *ptr;
if (NULL == (ptr = di_devfs_path(node))) {
return (DEVFSADM_CONTINUE);
}
(void) strcpy(path, ptr);
(void) strcat(path, ":");
(void) strcat(path, di_minor_name(minor));
di_devfs_path_free(ptr);
if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
return (DEVFSADM_CONTINUE);
}
(void) strcpy(path, "fc/fp");
(void) strcat(path, buf);
free(buf);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles:
* minor node type "ddi_printer".
* rules of the form: type=ddi_printer;name=bpp \M0
*/
static int
printer_create(di_minor_t minor, di_node_t node)
{
char *mn;
char path[PATH_MAX + 1], *buf;
devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
mn = di_minor_name(minor);
if (strcmp(di_driver_name(node), "bpp") == 0) {
(void) devfsadm_mklink(mn, node, minor, 0);
}
if (NULL == (buf = di_devfs_path(node))) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
di_devfs_path_free(buf);
if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "printers/%s", buf);
free(buf);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles links of the form:
* type=ddi_pseudo;name=se;minor2=hdlc se_hdlc\N0
* type=ddi_pseudo;name=serial;minor2=hdlc se_hdlc\N0
*/
static int
se_hdlc_create(di_minor_t minor, di_node_t node)
{
devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
char *buf, path[PATH_MAX + 1];
char *ptr;
char *mn;
mn = di_minor_name(minor);
/* minor node should be of the form: "?,hdlc" */
if (strcmp(mn + 1, ",hdlc") != 0) {
return (DEVFSADM_CONTINUE);
}
if (NULL == (ptr = di_devfs_path(node))) {
return (DEVFSADM_CONTINUE);
}
(void) strcpy(path, ptr);
(void) strcat(path, ":");
(void) strcat(path, mn);
di_devfs_path_free(ptr);
if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
return (DEVFSADM_CONTINUE);
}
(void) strcpy(path, "se_hdlc");
(void) strcat(path, buf);
free(buf);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
gpio(di_minor_t minor, di_node_t node)
{
char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
char *minor_nm, *drvr_nm;
minor_nm = di_minor_name(minor);
drvr_nm = di_driver_name(node);
if ((minor_nm == NULL) || (drvr_nm == NULL)) {
return (DEVFSADM_CONTINUE);
}
devfspath = di_devfs_path(node);
(void) strcpy(p_path, devfspath);
(void) strcat(p_path, ":");
(void) strcat(p_path, minor_nm);
di_devfs_path_free(devfspath);
/* build the physical path from the components */
if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
free(buf);
(void) devfsadm_mklink(l_path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Creates /dev/ppm nodes for Platform Specific PM module
*/
static int
ppm(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("ppm", node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Handles:
* /dev/av/[0-9]+/(async|isoch)
*/
static int
av_create(di_minor_t minor, di_node_t node)
{
devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
char *minor_str;
char path[PATH_MAX + 1];
char *buf;
if ((buf = di_devfs_path(node)) == NULL) {
return (DEVFSADM_CONTINUE);
}
minor_str = di_minor_name(minor);
(void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
di_devfs_path_free(buf);
if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
free(buf);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
*/
static int
tsalarm_create(di_minor_t minor, di_node_t node)
{
char buf[PATH_MAX + 1];
char *mn = di_minor_name(minor);
(void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
(void) devfsadm_mklink(mn, node, minor, 0);
(void) devfsadm_mklink(buf, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* Creates /dev/ntwdt for ntwdt node
*/
static int
ntwdt_create(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("ntwdt", node, minor, 0);
return (DEVFSADM_CONTINUE);
}
static int
zcons_create(di_minor_t minor, di_node_t node)
{
char *minor_str;
char *zonename;
char path[MAXPATHLEN];
minor_str = di_minor_name(minor);
if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
&zonename) == -1) {
return (DEVFSADM_CONTINUE);
}
(void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
minor_str);
(void) devfsadm_mklink(path, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* /dev/cpu/self/cpuid -> /devices/pseudo/cpuid@0:self
*/
static int
cpuid(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
return (DEVFSADM_CONTINUE);
}
/*
* For device
* /dev/spfma -> /devices/virtual-devices/fma@5:glvc
*/
static int
glvc(di_minor_t minor, di_node_t node)
{
char node_name[MAXNAMELEN + 1];
(void) strcpy(node_name, di_node_name(node));
if (strncmp(node_name, "fma", 3) == 0) {
/* Only one fma channel */
(void) devfsadm_mklink("spfma", node, minor, 0);
}
return (DEVFSADM_CONTINUE);
}
/*
* Handles links of the form:
* type=ddi_pseudo;name=sckmdrv kmdrv\M0
* type=ddi_pseudo;name=oplkmdrv kmdrv\M0
*/
static int
kmdrv_create(di_minor_t minor, di_node_t node)
{
(void) devfsadm_mklink("kmdrv", node, minor, 0);
return (DEVFSADM_CONTINUE);
}