From c3b7530ae21695e7d77a3e1ec0265d079e30b445 Mon Sep 17 00:00:00 2001
From: Massaki Archambault <badjware@massaki.ca>
Date: Wed, 11 Apr 2018 15:52:53 -0400
Subject: [PATCH] update function and scripts

---
 files/.config/zsh/custom/100-alias.zsh    |  5 +----
 files/.config/zsh/custom/101-function.zsh | 10 +++++++++-
 files/.local/bin/lsiommu                  |  8 ++++++++
 3 files changed, 18 insertions(+), 5 deletions(-)
 create mode 100755 files/.local/bin/lsiommu

diff --git a/files/.config/zsh/custom/100-alias.zsh b/files/.config/zsh/custom/100-alias.zsh
index bfe256f..a02d56a 100644
--- a/files/.config/zsh/custom/100-alias.zsh
+++ b/files/.config/zsh/custom/100-alias.zsh
@@ -2,10 +2,7 @@ alias svim="sudo -e"
 alias vissh="$EDITOR ~/.ssh/config"
 alias vihosts="sudo -e /etc/hosts"
 
-if type htop >/dev/null; then
-    alias top="htop"
-fi
-
+alias top="htop"
 alias http-server="python -m http.server"
 alias rename="perl-rename"
 
diff --git a/files/.config/zsh/custom/101-function.zsh b/files/.config/zsh/custom/101-function.zsh
index 9cf5e02..9a12a10 100644
--- a/files/.config/zsh/custom/101-function.zsh
+++ b/files/.config/zsh/custom/101-function.zsh
@@ -1,19 +1,22 @@
+# edit alias
 vialias() {
 	$EDITOR $ZSH_CUSTOM/100-alias.zsh
 	source $ZSH_CUSTOM/100-alias.zsh
 }
 
+# edit function
 vifunction() {
 	$EDITOR $ZSH_CUSTOM/101-function.zsh
 	source $ZSH_CUSTOM/101-function.zsh
 }
 
+# scan network
 nmap-libvirt() {
     __nmap_iface 'virbr[0-9]+' $@
 }
 
 nmap-tun() {
-    __nmap_iface 'tun[0-9]+' $@
+    __nmap_iface '(tun|tap)[0-9]+' $@
 }
 
 nmap-local() {
@@ -34,3 +37,8 @@ __nmap_iface() {
     printf "Scanning %s\n" "$addr"
     nmap $opt $addr_list
 }
+
+# calculator
+\=() {
+   bc -l <<<"$*"
+}
diff --git a/files/.local/bin/lsiommu b/files/.local/bin/lsiommu
new file mode 100755
index 0000000..9f293d6
--- /dev/null
+++ b/files/.local/bin/lsiommu
@@ -0,0 +1,8 @@
+#!/bin/bash
+shopt -s nullglob
+for d in /sys/kernel/iommu_groups/*/devices/*; do 
+    n=${d#*/iommu_groups/*}; n=${n%%/*}
+    printf 'IOMMU Group %s ' "$n"
+    lspci -nns "${d##*/}"
+done;
+