chiark / gitweb /
add pci_express to bus list
[elogind.git] / udev_sysfs.c
index a25223ef461248242e394a7dc1b57fcdc366c36e..75e275d5002fde7a237fbf83312b6ebb73ea7e99 100644 (file)
@@ -31,7 +31,7 @@
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev_version.h"
 #include "udev_sysfs.h"
-#include "udev_lib.h"
+#include "udev_utils.h"
 #include "logging.h"
 
 /* list of subsystem specific files, NULL if there is no file to wait for */
@@ -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 },
@@ -51,9 +52,30 @@ static const struct subsystem_file {
        { .subsystem = "ieee1394",      .file = NULL },
        { .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;
@@ -83,7 +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);
@@ -92,7 +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;
@@ -150,6 +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" },
@@ -170,9 +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 },
@@ -203,7 +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)
@@ -270,39 +297,42 @@ int wait_for_devices_device(struct sysfs_device *devices_dev,
                { .bus = "usb",         .file = "idVendor" },
                { .bus = "usb",         .file = "iInterface" },
                { .bus = "usb",         .file = "bNumEndpoints" },
-               { .bus = "usb-serial",  .file = "detach_state" },
-               { .bus = "ide",         .file = "detach_state" },
+               { .bus = "usb-serial",  .file = "bus" },
+               { .bus = "ide",         .file = "bus" },
                { .bus = "pci",         .file = "vendor" },
-               { .bus = "platform",    .file = "detach_state" },
-               { .bus = "i2c",         .file = "detach_state" },
+               { .bus = "pci_express", .file = "bus" },
+               { .bus = "platform",    .file = "bus" },
+               { .bus = "pcmcia",      .file = "bus" },
+               { .bus = "i2c",         .file = "bus" },
                { .bus = "ieee1394",    .file = "node_count" },
                { .bus = "ieee1394",    .file = "nodeid" },
                { .bus = "ieee1394",    .file = "address" },
-               { .bus = "bttv-sub",    .file = "detach_state" },
-               { .bus = "pnp",         .file = "detach_state" },
-               { .bus = "eisa",        .file = "detach_state" },
-               { .bus = "pseudo",      .file = "detach_state" },
-               { .bus = "mmc",         .file = "detach_state" },
-               { .bus = "macio",       .file = "detach_state" },
-               { .bus = "of_platform", .file = "detach_state" },
-               { .bus = "vio",         .file = "detach_state" },
-               { .bus = "ecard",       .file = "detach_state" },
-               { .bus = "sa1111-rab",  .file = "detach_state" },
-               { .bus = "amba",        .file = "detach_state" },
-               { .bus = "locomo-bus",  .file = "detach_state" },
-               { .bus = "logicmodule", .file = "detach_state" },
-               { .bus = "parisc",      .file = "detach_state" },
-               { .bus = "ocp",         .file = "detach_state" },
-               { .bus = "dio",         .file = "detach_state" },
-               { .bus = "MCA",         .file = "detach_state" },
-               { .bus = "wl",          .file = "detach_state" },
-               { .bus = "ccwgroup",    .file = "detach_state" },
-               { .bus = "css",         .file = "detach_state" },
-               { .bus = "ccw",         .file = "detach_state" },
-               { .bus = "iucv",        .file = "detach_state" },
+               { .bus = "bttv-sub",    .file = NULL },
+               { .bus = "pnp",         .file = "bus" },
+               { .bus = "eisa",        .file = "bus" },
+               { .bus = "serio",       .file = "bus" },
+               { .bus = "pseudo",      .file = "bus" },
+               { .bus = "mmc",         .file = "bus" },
+               { .bus = "macio",       .file = "bus" },
+               { .bus = "of_platform", .file = "bus" },
+               { .bus = "vio",         .file = "bus" },
+               { .bus = "ecard",       .file = "bus" },
+               { .bus = "sa1111-rab",  .file = "bus" },
+               { .bus = "amba",        .file = "bus" },
+               { .bus = "locomo-bus",  .file = "bus" },
+               { .bus = "logicmodule", .file = "bus" },
+               { .bus = "parisc",      .file = "bus" },
+               { .bus = "ocp",         .file = "bus" },
+               { .bus = "dio",         .file = "bus" },
+               { .bus = "MCA",         .file = "bus" },
+               { .bus = "wl",          .file = "bus" },
+               { .bus = "ccwgroup",    .file = "bus" },
+               { .bus = "css",         .file = "bus" },
+               { .bus = "ccw",         .file = "bus" },
+               { .bus = "iucv",        .file = "bus" },
                { NULL, NULL }
        };
-       const struct device_file *devicefile;
+       const struct device_file *devicefile = NULL;
        int loop;
 
        /* the kernel may tell us what to wait for */
@@ -335,11 +365,17 @@ 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) {
+                                       dbg("bus '%s' has no file to wait for", devices_dev->bus);
+                                       return 0;
+                               }
+
                                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) {
@@ -367,7 +403,7 @@ 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;
@@ -379,7 +415,7 @@ 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,
@@ -436,7 +472,7 @@ 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;
@@ -448,5 +484,5 @@ struct sysfs_device *wait_devices_device_open(const char *path)
                usleep(1000 * 1000 / WAIT_LOOP_PER_SECOND);
        }
 
-       return(devices_dev);
+       return devices_dev;
 }