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Re: [Qemu-devel] More PCI ethernet emulations

From: Huang, Xinmei
Subject: Re: [Qemu-devel] More PCI ethernet emulations
Date: Tue, 19 Dec 2006 11:47:46 +0800


Hi Stefan,

    I have applied  your eepro100 emulator for vitsta RTM guest, and met
some problems.

    Vista complaints :
         The device is not configured correctly.(Code 1). There is no
driver selected for the device information set or element.
         And Hardware Ids in device manager
    I 've searched in C:\Windows\inf and got no driver information of
PCI device id=1209, i.e. Vista could not confirgure this device
correctly as it believes this device is unsupported.

    So  I made a tiny change in your code, i.e. let PCI device ID=1229
and tried several sub system id, neither of vista's driver could start
eepro100 unfortunately. There's a yellow exclamation mark in device
manager. Eventually, I installed intel's eepro100 driver for vista, this
issue remains ;-(.

    Can you help to give me any comment or suggestion?
   Thanks a lot
Your original mail:

these new PCI ethernet drivers for QEMU are now available:

* Intel 8255x ("E100", "EEPRO100")

* National Semiconductor DP83815/DP83816

* Both drivers use a new EEPROM driver.

This EEPROM driver can be shared by any other device which needs
an EEPROM, for example replace the driver for RTL8139 or add an
EEPROM to cirrus vga or other ethernet cards.

I estimate the status of the EEPROM driver to be stable.
Fabrice, maybe this part can be integrated in QEMU head.

Both ethernet drivers work with QEMU head and Linux on x86 host / guest,
but have known endianess issues (they will at least need fixes for big
endian hosts) and are experimental. I am still working on them.

Feedback and bug fixes are welcome.

Stefan Weil

PS. I tried to send this mail several times using a URL for each
new driver file, but these mails did not reach the mailing list.
Are mails with URLs blocked by some mechanism?
Now all new source files are in the tar archive appended to the mail.

> Hello,
> I want to run QEMU with disk images of existing PC hardware.
> These PC hardware uses ethernet cards which are not emulated
> by QEMU, and because the disk images only support these cards,
> the current QEMU won't work. So I have to write new emulation
> drivers for QEMU...
> These are the emulations needed:
> Intel 8255xER PCI (Linux driver: eepro100)
> Realtek RTL8168/8111 PCI (Linux driver: r1000)
> National Semiconductor DP83815/DP83816 (Linux driver: natsemi)
> If somebody already started to write any of these emulations
> this would be really helpful. Any other kind of help is welcome, too.
> Regards
> Stefan

Best Regards

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