diff options
| -rw-r--r-- | src/udev/udev-builtin-path_id.c | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/src/udev/udev-builtin-path_id.c b/src/udev/udev-builtin-path_id.c index f529ffcf25..01e2c659ae 100644 --- a/src/udev/udev-builtin-path_id.c +++ b/src/udev/udev-builtin-path_id.c @@ -317,6 +317,39 @@ out: return parent; } +static struct udev_device *handle_scsi_ata(struct udev_device *parent, char **path) { + struct udev *udev = udev_device_get_udev(parent); + struct udev_device *targetdev; + struct udev_device *target_parent; + struct udev_device *atadev; + const char *port_no; + + assert(parent); + assert(path); + + targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host"); + if (!targetdev) + return NULL; + + target_parent = udev_device_get_parent(targetdev); + if (!target_parent) + return NULL; + + atadev = udev_device_new_from_subsystem_sysname(udev, "ata_port", udev_device_get_sysname(target_parent)); + if (!atadev) + return NULL; + + port_no = udev_device_get_sysattr_value(atadev, "port_no"); + if (!port_no) { + parent = NULL; + goto out; + } + path_prepend(path, "ata-%s", port_no); +out: + udev_device_unref(atadev); + return parent; +} + static struct udev_device *handle_scsi_default(struct udev_device *parent, char **path) { struct udev_device *hostdev; int host, bus, target, lun; @@ -482,19 +515,8 @@ static struct udev_device *handle_scsi(struct udev_device *parent, char **path, goto out; } - /* - * We do not support the ATA transport class, it uses global counters - * to name the ata devices which numbers spread across multiple - * controllers. - * - * The real link numbers are not exported. Also, possible chains of ports - * behind port multipliers cannot be composed that way. - * - * Until all that is solved at the kernel level, there are no by-path/ - * links for ATA devices. - */ if (strstr(name, "/ata") != NULL) { - parent = NULL; + parent = handle_scsi_ata(parent, path); goto out; } |