udev: handle all events - not only class and block devices

[elogind.git] / udev_sysfs.c

diff --git a/udev_sysfs.c b/udev_sysfs.c
index ada413c4845f95b7354216125ab87867cc290bd1..f9ff1ed2f99c29f33905996b5e7f302991f45ee0 100644 (file)
--- a/udev_sysfs.c
+++ b/udev_sysfs.c
@@ -39,6 +39,7 @@ static const struct subsystem_file {
        const char *subsystem;
        const char *file;
 } subsystem_files[] = {
+       { .subsystem = "class",         .file = NULL },
        { .subsystem = "net",           .file = "ifindex" },
        { .subsystem = "scsi_host",     .file = "unique_id" },
        { .subsystem = "scsi_device",   .file = NULL },
@@ -52,9 +53,29 @@ static const struct subsystem_file {
        { .subsystem = "ieee1394_host", .file = NULL },
        { .subsystem = "ieee1394_node", .file = NULL },
        { .subsystem = "fc_transport",  .file = "port_id" },
+       { .subsystem = "fc_host",       .file = "port_id" },
+       { .subsystem = "spi_transport", .file = "width" },
+       { .subsystem = "spi_host",      .file = "width" },
        { NULL, NULL }
 };
 
+dev_t get_devt(struct sysfs_class_device *class_dev)
+{
+       struct sysfs_attribute *attr = NULL;
+       unsigned int major, minor;
+
+       attr = sysfs_get_classdev_attr(class_dev, "dev");
+       if (attr == NULL)
+               return 0;
+       dbg("dev='%s'", attr->value);
+
+       if (sscanf(attr->value, "%u:%u", &major, &minor) != 2)
+               return 0;
+       dbg("found major=%d, minor=%d", major, minor);
+
+       return makedev(major, minor);
+}
+
 int subsystem_expect_no_dev(const char *subsystem)
 {
        const struct subsystem_file *file;
@@ -84,7 +105,7 @@ static int wait_for_class_device_attributes(struct sysfs_class_device *class_dev
                                            const char **error)
 {
        const char *file;
-       char filename[SYSFS_PATH_MAX];
+       char filename[PATH_SIZE];
        int loop;
 
        file = get_subsystem_specific_file(class_dev->classname);
@@ -93,7 +114,8 @@ static int wait_for_class_device_attributes(struct sysfs_class_device *class_dev
                return 0;
        }
 
-       snprintf(filename, SYSFS_PATH_MAX-1, "%s/%s", class_dev->path, file);
+       snprintf(filename, sizeof(filename), "%s/%s", class_dev->path, file);
+       filename[sizeof(filename)-1] = '\0';
        dbg("looking at class '%s' for specific file '%s'", class_dev->classname, filename);
 
        loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND;
@@ -151,6 +173,7 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d
                { .subsystem = "input",         .device = "mice" },
                { .subsystem = "input",         .device = "mouse" },
                { .subsystem = "input",         .device = "ts" },
+               { .subsystem = "input",         .device = "js" },
                { .subsystem = "vc",            .device = NULL },
                { .subsystem = "tty",           .device = NULL },
                { .subsystem = "cpuid",         .device = "cpu" },
@@ -171,9 +194,12 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d
                { .subsystem = "net",           .device = "bnep" },
                { .subsystem = "net",           .device = "vmnet" },
                { .subsystem = "net",           .device = "ippp" },
+               { .subsystem = "net",           .device = "nlv" },
+               { .subsystem = "net",           .device = "atml" },
                { .subsystem = "ppp",           .device = NULL },
                { .subsystem = "sound",         .device = NULL },
                { .subsystem = "printer",       .device = "lp" },
+               { .subsystem = "ppdev",         .device = NULL },
                { .subsystem = "nvidia",        .device = NULL },
                { .subsystem = "video4linux",   .device = "vbi" },
                { .subsystem = "dvb",           .device = NULL },
@@ -204,7 +230,7 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d
                { NULL, NULL }
        };
        const struct class_device *classdevice;
-       int len;
+       unsigned int len;
 
        /* the kernel may tell us what to wait for */
        if (kernel_release_satisfactory(2,6,10) > 0)
@@ -283,6 +309,7 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
                { .bus = "bttv-sub",    .file = NULL },
                { .bus = "pnp",         .file = "detach_state" },
                { .bus = "eisa",        .file = "detach_state" },
+               { .bus = "serio",       .file = "detach_state" },
                { .bus = "pseudo",      .file = "detach_state" },
                { .bus = "mmc",         .file = "detach_state" },
                { .bus = "macio",       .file = "detach_state" },
@@ -304,7 +331,7 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
                { .bus = "iucv",        .file = "detach_state" },
                { NULL, NULL }
        };
-       const struct device_file *devicefile;
+       const struct device_file *devicefile = NULL;
        int loop;
 
        /* the kernel may tell us what to wait for */
@@ -337,7 +364,7 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
 
                for (devicefile = device_files; devicefile->bus != NULL; devicefile++) {
                        if (strcmp(devices_dev->bus, devicefile->bus) == 0) {
-                               char filename[SYSFS_PATH_MAX];
+                               char filename[PATH_SIZE];
                                struct stat stats;
 
                                if (devicefile->file == NULL) {
@@ -346,7 +373,8 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
                                }
 
                                found_bus_type = 1;
-                               snprintf(filename, SYSFS_PATH_MAX-1, "%s/%s", devices_dev->path, devicefile->file);
+                               snprintf(filename, sizeof(filename), "%s/%s", devices_dev->path, devicefile->file);
+                               filename[sizeof(filename)-1] = '\0';
                                dbg("looking at bus '%s' device for specific file '%s'", devices_dev->bus, filename);
 
                                if (stat(filename, &stats) == 0) {
@@ -374,7 +402,7 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
 
 struct sysfs_class_device *wait_class_device_open(const char *path)
 {
-       struct sysfs_class_device *class_dev;
+       struct sysfs_class_device *class_dev = NULL;
        int loop;
 
        loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND;
@@ -386,7 +414,7 @@ struct sysfs_class_device *wait_class_device_open(const char *path)
                usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
        }
 
-       return (class_dev);
+       return class_dev;
 }
 
 int wait_for_class_device(struct sysfs_class_device *class_dev,
@@ -443,7 +471,7 @@ int wait_for_class_device(struct sysfs_class_device *class_dev,
 
 struct sysfs_device *wait_devices_device_open(const char *path)
 {
-       struct sysfs_device *devices_dev;
+       struct sysfs_device *devices_dev = NULL;
        int loop;
 
        loop = WAIT_MAX_SECONDS * WAIT_LOOP_PER_SECOND;
@@ -455,5 +483,5 @@ struct sysfs_device *wait_devices_device_open(const char *path)
                usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
        }
 
-       return(devices_dev);
+       return devices_dev;
 }