updated plan, added 2021

content/blog/2021/gpu-passthrough.md

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+---
+title: "GPU Passthrough with libvirt, qemu, looking glass"
+date: 2021-01-12T22:58:31+02:00
+draft: true
+---
+
+## Kernel Configuration
+(from [gentoo wiki][])
+
+IOMMU Kernel Configuration
+
+```
+Device Drivers --->
+  [*] IOMMU Hardware Support --->
+            Generic IOMMU Pagetable Support ----
+      [*]   AMD IOMMU support
+      <*>     AMD IOMMU Version 2 driver
+      [*]   Support for Intel IOMMU using DMA Remapping Devices
+      [*]     Support for Shared Virtual Memory with Intel IOMMU
+      [*]     Enable Intel DMA Remapping Devices by default
+      [*]   Support for Interrupt Remapping
+```
+
+VFIO Kernel Configuration
+
+```
+Device Drivers --->
+  <M> VFIO Non-Privileged userpsace driver framework --->
+      [*]   VFIO No-IOMMU support ----
+      <M>   VFIO support for PCI devices
+      [*]     VFIO PCI support for VGA devices
+      < >   Mediated device driver framework
+```
+
+Rebuild kernel
+
+## GRUB
+Turn on IOMMU in GRUB by editing the file `/etc/default/grub` and add the following parameters. I also put my VFIO parameters here for easy editing:
+
+```
+# on AMD, switch amd_iommu=pt to amd_iommu=on if pt (passthrough) is not working
+# Switch amd_iommu=pt to intel_iommu=on if you're on Intel chipset
+GRUB_CMD_LINE="... iommu=pt amd_iommu=pt vfio-pci.ids=1002:67df,1002:aaf0"
+```
+
+## Programs
+
+Make sure qemu is built with SPICE, USB and USB redirection. In adition, make sure libvirt is built with networking capability. In Gentoo, this is accomplished by `USE` flags. In most binary distributions, I think that they are already built with these, but you should make sure.
+
+```
+echo "app-emulation/qemu spice usb usbredir" >> /etc/portage/package.use/qemu
+echo "app-emulation/libvirt virt-network" >> /etc/portage/package.use/libvirt
+```
+
+
+
+[gentoo wiki]:https://wiki.gentoo.org/wiki/GPU_passthrough_with_libvirt_qemu_kvm#IOMMU
+

content/blog/2021/stuff.md

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+---
+title: "Stuff"
+date: 2021-01-03T10:23:28+02:00
+draft: true
+---
+
+Finally joined the powerline crowd and have it set up in it's glorious default for `vim` and `bash`. The only change I made for `bash` was adding `git`-related things to it. There is a slight rendering problem in `alacritty` but I have half-assedly compensated with some config settings.
+
+I've also been mucking about in my gentoo overlay, still figuring out just what things I want to maintain for myself. That's kinda been a shitshow, especially with trying to get obs to have browser support. Instead of wrestling with it any longer than the few hours I have, I've figured out a way to handle my stream stuff without need of a browser overlay. So that's great. Next on the list related to this is taking own

content/siina.plan

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+"Don't worry, I'm sure you're just as real as I am."
+-- Max Headroom
+
 "sometimes a cigar is just a massive shit."
 -- Ovadex