From: Vasile Catalin-B50542 <catalin.vasile@freescale.com>
To: "open list:KERNEL VIRTUAL MA..." <kvm@vger.kernel.org>
Subject: [virtio] dummy device
Date: Fri, 9 Jan 2015 14:31:21 +0200 [thread overview]
Message-ID: <54AFCA19.9010108@freescale.com> (raw)
Hi,
I'm trying to add a new virtio device.
I've managed to make qemu connect my virtio device to the pci bus.
I'm now trying to make a dummy driver in the guest's kernel.
My "lspci" binary version isn't very verbose. For example the output for
"lspci" and "lspci -n" are the same:
00:00.0 Class 0604: 1957:0030
00:01.0 Class 0200: 1af4:1000
00:02.0 Class 0b40: 1af4:100d
(That's all I get from them.)
My device is on the last line.
I have tried using another solution to see if there is a driver doing
something
with my device (at least probing it):
ls /sys/bus/pci/devices/0000\:00\:02.0/driver/module/drivers/
It outputs:
pci:virtio-pci
Should I see here the name of my device/driver module, or this is
what I would see for any device on an emulated machine with virtio pci
based bus?
I currently just defined the "struct virtio_driver" with it's related
things, and called:
module_virtio_driver();
MODULE_DEVICE_TABLE();
Is there anything left to do in order to have a functional dummy device?
Is there a better way to see the name of the module associated with a
PCI device (virtio device)?
reply other threads:[~2015-01-09 12:47 UTC|newest]
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