Thanks a lot for looking into this!
I'll review early next week.
On Wed, Mar 09, 2016 at 07:19:59PM +0100, Ladi Prosek wrote:
> The goal here is to support booting from modern only (non-transitional)
> virtio-net devices.
Side-note: it is preferable to use transitional
devices through the modern interface, as well.
Some advantages include:
- ability to work without enabling IO space (or even memory space)
- ability to reduce ring size, and generally lower memory consumption
> The code strives to comply with the virtio 1.0 spec
> and is heavily inspired by the Linux kernel implementation.
>
> One notable divergence from Linux is the explicit differentiation
> between port I/O and memory I/O due to the lack of __iomem in iPXE. See
> struct virtio_pci_region for details.
>
> src/drivers/bus/pciextra.c | 54 ++++++---
> src/drivers/bus/virtio-pci.c | 213 ++++++++++++++++++++++++++++++++-
> src/drivers/bus/virtio-ring.c | 12 +-
> src/drivers/net/virtio-net.c | 259
> +++++++++++++++++++++++++++++++++++++++--
> src/drivers/net/virtio-net.h | 18 +++
> src/include/ipxe/errfile.h | 1 +
> src/include/ipxe/pci.h | 2 +
> src/include/ipxe/virtio-pci.h | 231 ++++++++++++++++++++++++++++++++++++
> src/include/ipxe/virtio-ring.h | 9 ++
> 9 files changed, 769 insertions(+), 30 deletions(-)
>
> [PATCH 1/4] [pci] Add pci_find_next_capability
> [PATCH 2/4] [virtio] Add virtio 1.0 constants and data structures
> [PATCH 3/4] [virtio] Add virtio 1.0 PCI support
> [PATCH 4/4] [virtio] Add virtio-net 1.0 support
_______________________________________________
ipxe-devel mailing list
ipxe-devel@lists.ipxe.org
https://lists.ipxe.org/mailman/listinfo.cgi/ipxe-devel
