Re: Static naming for hiddev nodes

["Adam Kropelin" <akropel1@rochester.rr.com>]

Kay Sievers wrote:
> On 8/3/07, Adam Kropelin <akropel1@rochester.rr.com> wrote:
>> I'm attempting to establish static naming for some hiddev devices
>> (UPSes) based on serial numbers. I used to be able to do this fairly
>> easily many moons ago in the early days of udev. Revisiting it on a
>> modern distro (RHEL5) I am unable to make it work. Here are the udev
>> rules I've tried and what happened with each....
>>
>>     DRIVER="hiddev", SYSFS{serial}="JB0319039999", NAME="ups1"
>>     - Does not match
>>
>>     DRIVER="usbhid", SYSFS{serial}="JB0319039999", NAME="ups1"
>>     - Does not match
>>
>>     SYSFS{serial}="JB0319039999", NAME="ups1"
>>     - Matches, but results in a device node for the usbdev not for
>> the hiddev
>>
>>     BUS="usb", SYSFS{serial}="JB0319039999", NAME="ups1"
>>     - Matches, but results in a device node for the usbdev not for
>> the hiddev
>>
>>     SUBSYSTEM="usb", SYSFS{serial}="JB0319039999", NAME="ups1"
>>     - Does not match
>>
>> I admit to being almost completely lost in the sysfs hierarchy. I'd
>> be happy to post a subtree if someone can suggest which one would be
>> helpful. It is worth noting that the default rules create correct and
>> working hiddev* nodes...I'm just trying to given them persistent
>> names.
>
> What is the "original" device node name, you expect and want to
> rename?

hiddev0

> What does:
>  udevmonitor --env --kernel
> print when you connect the device?

My udevmonitor does not appear to support the --kernel option, but here 
is output from --env:

UEVENT[1186101574.223153] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
SUBSYSTEM=usb
SEQNUM(30
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb

UEVENT[1186101574.223808] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/usbdev1.5_ep00
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/usbdev1.5_ep00
SUBSYSTEM=usb_endpoint
SEQNUM(31
MAJORD2
MINOR=4

UEVENT[1186101574.224163] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0
SUBSYSTEM=usb
SEQNUM(32
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/001/005
PRODUCTQd/2/106
TYPE=0/0/0
INTERFACE=3/0/0
MODALIAS=usb:v051Dp0002d0106dc00dsc00dp00ic03isc00ip00

UDEV  [1186101574.230511] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
UDEV_LOG=3
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
SUBSYSTEM=usb
SEQNUM(30
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
UDEVD_EVENT=1

UDEV  [1186101574.262073] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/usbdev1.5_ep00
UDEV_LOG=3
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/usbdev1.5_ep00
SUBSYSTEM=usb_endpoint
SEQNUM(31
MAJORD2
MINOR=4
UDEVD_EVENT=1
DEVNAME=/dev/usbdev1.5_ep00

UDEV  [1186101574.649249] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0
UDEV_LOG=3
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0
SUBSYSTEM=usb
SEQNUM(32
PHYSDEVBUS=usb
DEVICE=/proc/bus/usb/001/005
PRODUCTQd/2/106
TYPE=0/0/0
INTERFACE=3/0/0
MODALIAS=usb:v051Dp0002d0106dc00dsc00dp00ic03isc00ip00
UDEVD_EVENT=1

UEVENT[1186101575.338918] add@/class/usb/hiddev0
UDEV  [1186101575.338918] add@/class/usb/hiddev0
UDEV_LOG=3
ACTION­d
DEVPATH=/class/usb/hiddev0
SUBSYSTEM=usb
SEQNUM(33
PHYSDEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0
PHYSDEVBUS=usb
PHYSDEVDRIVER=usbhid
MAJOR\x180
MINOR–
UDEVD_EVENT=1
DEVNAME=/dev/hiddev0

UEVENT[1186101575.340947] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0/usbdev1.5_ep81
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0/usbdev1.5_ep81
SUBSYSTEM=usb_endpoint
SEQNUM(34
MAJORD2
MINOR=4

UEVENT[1186101575.341275] add@/class/usb_device/usbdev1.5
ACTION­d
DEVPATH=/class/usb_device/usbdev1.5
SUBSYSTEM=usb_device
SEQNUM(35
PHYSDEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
MAJOR\x189
MINOR=4

UDEV  [1186101575.346565] 
add@/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0/usbdev1.5_ep81
UDEV_LOG=3
ACTION­d
DEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3/1-2.3:1.0/usbdev1.5_ep81
SUBSYSTEM=usb_endpoint
SEQNUM(34
MAJORD2
MINOR=4
UDEVD_EVENT=1
DEVNAME=/dev/usbdev1.5_ep81

UDEV  [1186101575.590750] add@/class/usb_device/usbdev1.5
UDEV_LOG=3
ACTION­d
DEVPATH=/class/usb_device/usbdev1.5
SUBSYSTEM=usb_device
SEQNUM(35
PHYSDEVPATH=/devices/pci0000:00/0000:00:07.2/usb1/1-2/1-2.3
PHYSDEVBUS=usb
PHYSDEVDRIVER=usb
MAJOR\x189
MINOR=4
UDEVD_EVENT=1
DEVNAME=/dev/bus/usb/001/005

--Adam


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