Re: usb mass media storage
[EMAIL PROTECTED] wrote: The host has direct access to the block device, so it is important that /dev/mmcblk0p1 is not mounted on both the phone and the host at the same time (unless it's mounted ro on both). What if it was mounted ro on the phone side and rw on the host side? Would that cause problems? It shouldn't, but I'd like to get a confirmation too :P Btw I think that the safer way is that of using a memory-stick file saved in SD as explained by Christian Adams... -- Treviño's World - Life and Linux http://www.3v1n0.net/ ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? Thanks, -Dale ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
1. This only works until reboot or manually reverting it. 2. Don't know, maybe. :) 3. /dev/mmcblk0p1 is the first partition on the sd card. So the usb stick will only show this one partition and nothing more. Ciao, Rainer Dale Maggee wrote: Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? Thanks, -Dale ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? Thanks, -Dale ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 moinmoin there is no must for using /dev/mmc* .. you could also use a plain file: preparations: create mem_stick.fs file dd if=/dev/zero of=mem_stick.fs bs=512 count=1048576 # for a 512mb memory-stick with blocksize=512 bytes create filesystem on mem_stick.fs: mkfs.ext3 mem_stick.fs from FR you can mount this filesystem with: mount -o loop mem_stick.fs some_mount_point and for exporting via usb: rmmod g_ether # if mount - umount! modprobe g_file_storage file=mem_stick.fs regards, morlac Am 05.09.2008 um 13:04 schrieb pHilipp Zabel: On Fri, Sep 5, 2008 at 4:41 AM, Dale Maggee [EMAIL PROTECTED] wrote: Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? It's not persistent unless you add something like this to the init scripts. After rebooting the ethernet gadget will be back. 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? I suggest to read the comment in the source code, it's quite detailed: http://git.kernel.org/?p=linux/kernel/git/torvalds/ linux-2.6.git;a=blob;f=drivers/usb/gadget/file_storage.c;hb=HEAD The file parameter determines the raw backing store for the storage device, so if you have file=/dev/mmcblk0p1, its contents will directly appear as /dev/sdx on the host. As mmcblk0p1 doesn't contain a partition table, so won't sdx. If you want to export the whole device, use file=/dev/mmcblk0, you'll get the partition table in /dev/sdx and the kernel will parse it and create /dev/sdx1 (containing the contents of /dev/mmcblk0p1) etc. The host has direct access to the block device, so it is important that /dev/mmcblk0p1 is not mounted on both the phone and the host at the same time (unless it's mounted ro on both). regards Philipp ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (Darwin) iD8DBQFIwStgr81gVylJyzERAmHbAJwLiBalMaLkhe3p4//QQkgBs7PLfgCeOfMR lsdWNYAG4g3mTT0Mo2KEyek= =Vdg5 -END PGP SIGNATURE- ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
Christian Adams wrote: moinmoin there is no must for using /dev/mmc* .. you could also use a plain file: preparations: create mem_stick.fs file dd if=/dev/zero of=mem_stick.fs bs=512 count=1048576 # for a 512mb memory-stick with blocksize=512 bytes create filesystem on mem_stick.fs: mkfs.ext3 mem_stick.fs from FR you can mount this filesystem with: mount -o loop mem_stick.fs some_mount_point and for exporting via usb: rmmod g_ether # if mount - umount! modprobe g_file_storage file=mem_stick.fs regards, morlac On Fri, Sep 5, 2008 at 4:41 AM, Dale Maggee [EMAIL PROTECTED] wrote: Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? It's not persistent unless you add something like this to the init scripts. After rebooting the ethernet gadget will be back. 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? I suggest to read the comment in the source code, it's quite detailed: http://git.kernel.org/?p=linux/kernel/git/torvalds/ linux-2.6.git;a=blob;f=drivers/usb/gadget/file_storage.c;hb=HEAD The file parameter determines the raw backing store for the storage device, so if you have file=/dev/mmcblk0p1, its contents will directly appear as /dev/sdx on the host. As mmcblk0p1 doesn't contain a partition table, so won't sdx. If you want to export the whole device, use file=/dev/mmcblk0, you'll get the partition table in /dev/sdx and the kernel will parse it and create /dev/sdx1 (containing the contents of /dev/mmcblk0p1) etc. The host has direct access to the block device, so it is important that /dev/mmcblk0p1 is not mounted on both the phone and the host at the same time (unless it's mounted ro on both). regards Philipp Thanks for the info! very usefull indeed! I made a script as follows (echo's are for debugging): #!/bin/sh echo ifdown usb0... ifdown usb0 echo rmmod g_ether... rmmod g_ether echo umount /media/card... umount /media/card echo modprobe g_file_storage file=/dev/mmcblk0p1... modprobe g_file_storage file=/dev/mmcblk0p1 only problem is, when i run this in the 2007.2 terminal, it echoes 'umount /media/card', and then totally freezes the freerunner! (to the point ofhaving to unplug the battery and reboot) if i comment out the offending line in the script, then type 'umount /media/card', then run the script, it works fine... thoughts? Thanks, -Dale ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
try to put your echo strings in quotes: echo -n ifdown usb0... ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
On Fri, Sep 05, 2008 at 01:04:52PM +0200, pHilipp Zabel wrote: On Fri, Sep 5, 2008 at 4:41 AM, Dale Maggee [EMAIL PROTECTED] wrote: Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz very cool, but before I test it out (potentially breaking my usb networking in the process), I have a couple of questions: 1. will this persist over a reboot, or will it revert back to being an ethernet gadget when I reboot? It's not persistent unless you add something like this to the init scripts. After rebooting the ethernet gadget will be back. 2. is the following sufficient to switch it back? #!/bin/sh rmmod g_file_storage modprobe g_ether ifup usb0 (assuming I replaced '/etc/init.d/networking stop' with 'ifdown usb0' as recommended by Daniel) 3. can somebody point me to a resource for the g_file_storage module where I can learn more about it? I did a couple of quick googles but didn't see anything promising. specifically I'd like to know more about the file parameter - I assume that in this scenario our usb stick is using partition/device information from /dev/mmcblk0p1, and will be partitioned in the same way as the SD card? what If I wanted to have my home directory accessible in usb stick mode? I suggest to read the comment in the source code, it's quite detailed: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/usb/gadget/file_storage.c;hb=HEAD The file parameter determines the raw backing store for the storage device, so if you have file=/dev/mmcblk0p1, its contents will directly appear as /dev/sdx on the host. As mmcblk0p1 doesn't contain a partition table, so won't sdx. If you want to export the whole device, use file=/dev/mmcblk0, you'll get the partition table in /dev/sdx and the kernel will parse it and create /dev/sdx1 (containing the contents of /dev/mmcblk0p1) etc. The host has direct access to the block device, so it is important that /dev/mmcblk0p1 is not mounted on both the phone and the host at the same time (unless it's mounted ro on both). What if it was mounted ro on the phone side and rw on the host side? Would that cause problems? ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
arne anka wrote: try to put your echo strings in quotes: echo -n ifdown usb0... did that, no luck. this time is froze after echoing ifdown usb0... ...? -D ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Somebody in the thread at some point said: | Where did you get that kernel image? I haven't been able to find it | anywhere. Is there any other way to get those commands? Any recent kernel package should have these modules. Word of warning though, USB Mass Storage is block based protocol, it means that if you have the filesystem you are exposing there mounted on Freerunner side as well, filesystem actions like update directories, which blocks are free etc will conflict between the two mounts and less than good experience will result :-O So to play this game you need to ensure you umount the filesystem on the shared storage from Freerunner first and I guess mount it back afterwards. - -Andy -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkjAv4IACgkQOjLpvpq7dMr5pwCeLL1W9/6+cfj4+UyRdG7/XKrJ ABgAn1Mog9TOlBDenPC8D5Dp6eXY+gQF =ieRu -END PGP SIGNATURE- ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
On Wed, 3 Sep 2008 00:22:38 +0200 Adrien de Sentenac [EMAIL PROTECTED] (ADS) wrote: 2008/9/2 Petr Vanek [EMAIL PROTECTED] rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 which kernel/distribution do you use ? it seems I have neither of these modules with om2008.8 (with updates). oh, sorry, i could have thought of this.. :) ASU [EMAIL PROTECTED]:~# uname -a Linux om-gta02 2.6.24 #1 PREEMPT Tue Aug 26 08:33:29 CST 2008 armv4tl unknown [EMAIL PROTECTED]:~# opkg list_installed | grep kernel | grep image kernel-image-2.6.24 - 2:2.6.24+git75965+cb3cc53a76c7f1f7c827d048db7a849e77071515-r1.01 - -- Petr Vaněk http://biodynamika.cz ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
You may want to use 'ifdown usb0' instead of '/etc/init.d/networking stop', in case you want to keep your wifi connection going. That's cool though :) I wonder if it's possible to pretend to be a USB hub, providing both g_ether and g_file_storage On Tuesday 02 September 2008 15:47:18 Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community -- Daniel Benoy http://daniel.benoy.name ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
On Tuesday 02 September 2008, Daniel Benoy wrote: You may want to use 'ifdown usb0' instead of '/etc/init.d/networking stop', in case you want to keep your wifi connection going. That's cool though :) I wonder if it's possible to pretend to be a USB hub, providing both g_ether and g_file_storage Not yet. At the moment it's one gadget driver at a time, but there is a project under way to allow use of multiple gadget drivers together. http://blog.felipebalbi.com/?p=44 http://www.linux-usb.org/gadget/ On Tuesday 02 September 2008 15:47:18 Petr Vanek wrote: I have spent a while googling this up and have no wiki skills but someone might find this useful: to make FR act as a memory stick, here is what my script does: #!/bin/sh /etc/init.d/networking stop rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 -- Petr Vaněk http://biodynamika.cz ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
2008/9/2 Petr Vanek [EMAIL PROTECTED] rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 which kernel/distribution do you use ? it seems I have neither of these modules with om2008.8 (with updates). ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: usb mass media storage
Adrien de Sentenac wrote: 2008/9/2 Petr Vanek [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] rmmod g_ether modprobe g_file_storage file=/dev/mmcblk0p1 which kernel/distribution do you use ? it seems I have neither of these modules with om2008.8 (with updates). I figure that you need a kernel compiled with CONFIG_USB_STORAGE=m CONFIG_USB_ETH=m isn't it? -- Treviño's World - Life and Linux http://www.3v1n0.net/ ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
