RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 02:27:43 +00:00
Code Issues Activity Actions

Kernel: Implement a naive version of virtconsole by memcpying to physical page

Browse source 
This patch allocates a physical page for each of the virtqueues and
memcpys to it when receiving a buffer to get a physical, aligned
contiguous buffer as required by the virtio specification.

Co-authored-by: Sahan <sahan.h.fernando@gmail.com>
This commit is contained in:
Idan Horowitz 2021-04-15 19:22:02 +10:00 • committed by Andreas Kling
parent 42b1eb5af1
commit ecfa7cb824
8 changed files with 35 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

1
Kernel/VirtIO/VirtIO.h
View file

@ -56,6 +56,7 @@ namespace Kernel {
#define VIRTIO_F_VERSION_1 ((u64)1 << 32)
#define VIRTIO_F_RING_PACKED ((u64)1 << 34)
#define VIRTIO_F_IN_ORDER ((u64)1 << 35)
#define VIRTIO_PCI_CAP_COMMON_CFG 1
#define VIRTIO_PCI_CAP_NOTIFY_CFG 2