On Thu, 28 Jan, at 09:23:10AM, Gabriel L. Somlo wrote:
> From: "Gabriel Somlo"
>
> Allow access to QEMU firmware blobs, passed into the guest VM via
> the fw_cfg device, through SysFS entries. Blob meta-data (e.g. name,
> size, and fw_cfg key), as well as the raw binary blob data may be
> accesse
On Mon, 2015-07-13 at 16:09 -0400, Gabriel L. Somlo wrote:
>
> 3. I'm currently only handling x86 and I/O ports. I could drop the
>fw_cfg_dmi_whitelist and just check the signature, using mmio where
>appropriate, but I don't have a handy-dandy set of VMs for those
>architectures on whi
On Tue, 2015-07-14 at 13:00 -0400, Gabriel L. Somlo wrote:
>
> That being said, I did reimplement systemd's escape method in cca. 30
> lines of C, so that shouldn't be too onerous.
I really don't see a reason to use systemd's naming scheme instead of
the one already provided by the kernel.
> Bes
On Mon, 2015-03-16 at 10:15 -0400, Gabriel L. Somlo wrote:
> Allow user supplied files to be inserted into the fw_cfg
> device before starting the guest. Since fw_cfg_add_file()
> already disallows duplicate fw_cfg file names, qemu will
> exit with an error message if the user supplies multiple
> b
On Thu, 2015-02-26 at 10:45 +0100, Laszlo Ersek wrote:
> On 02/26/15 02:13, Gabriel L. Somlo wrote:
> > For myself, I'm tempted to write a kernel driver to allow me to simply
> > "cat /sys/firmware/fw_cfg/etc/guestinfo | grep '^key_name='" when I
> > need to retrieve a guest environment variable.
>
