On 21/11/11 17:18, Zvi Vered wrote: > Dear Mr. Welch, > > I would like to appriciate your reply. > > This is what I want to do in the rcS script: > > 1. insmod vme_tsi148.ko > 2. insmod vme_user.ko bus=0 > 3. mdev -s > > In kernel configuration , CONFIG_VME_TSI148=m, CONFIG_VME_USER=m so upon 'make > modules', the 2 modules are built. > > Upon rcS completion I expect to find the files: /dev/bus/vme/m0 ... > /dev/bus/vme/s3 > > Am I right ? > Have you tried that? Martyn > Thanks, > Zvika. > > ----- Original Message ----- From: "Martyn Welch" <martyn.welch@xxxxxx> > To: "Zvi Vered" <veredz72@xxxxxxxxx> > Cc: <devel@xxxxxxxxxxxxxxxxxxxxxx> > Sent: Monday, November 21, 2011 13:52 > Subject: Re: Using vme_tsi148 device driver from user space > > >> On 21/11/11 03:02, Zvi Vered wrote: >>> Hello, >>> >>> I'm not a developer and I need help on staging/vme/bridges. >>> So please bare with me. >>> >>> My Core2Duo x86 target contains a TSI148 PCI to VME bridge. >>> In Kernel configuration I set CONFIG_VME_TSI148=y >>> >>> Duding boot, this device is initiated and registered. >>> >>> But after 'mdev -s' there is no new device in /dev . >>> >>> The vme_tsi148.c does not contain an IOCTL section. Only .probe,.remove. >>> >>> So how (on earth !) can I open a new master window ? >>> >> >> The VME bridge drivers do not provide a user space API. They register with the >> VME core, which provides a kernel space API. This API is documented in >> "drivers/staging/vme/vme_api.txt". >> >>> What major+minor numbers should I use for mknod ? >>> >> >> If you are using udev, the device nodes will be automatically created. >> >>> How can I access the VME using this driver ? >>> >> >> Using the in kernel API. >> >>> Must I use CONFIG_VME_USER=y also ? >>> >> >> Tf you want access from user space, that module provides some basic access to >> the VME bus. >> >> Martyn >> >> -- >> Martyn Welch (Lead Software Engineer) | Registered in England and Wales >> GE Intelligent Platforms | (3828642) at 100 Barbirolli Square >> T +44(0)1327322748 | Manchester, M2 3AB >> E martyn.welch@xxxxxx | VAT:GB 927559189 > -- Martyn Welch (Lead Software Engineer) | Registered in England and Wales GE Intelligent Platforms | (3828642) at 100 Barbirolli Square T +44(0)1327322748 | Manchester, M2 3AB E martyn.welch@xxxxxx | VAT:GB 927559189 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
