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94 lines
3.4 KiB
Bash
94 lines
3.4 KiB
Bash
#!/bin/bash
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backup_path="/opt/nvidia/libnvidia-encode-backup"
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silent_flag=''
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rollback_flag=''
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driver_dir='/usr/lib/x86_64-linux-gnu'
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print_usage() { printf '
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SYNOPSIS
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patch.sh [OPTION]...
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DESCRIPTION
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The patch for libnvidia-encode to increase encoder sessions
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-s Silent mode (No output)
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-r Rollback to original (Restore lib from backup)
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'
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}
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while getopts 'rs' flag; do
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case "${flag}" in
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r) rollback_flag='true' ;;
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s) silent_flag='true' ;;
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*) print_usage
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exit 1 ;;
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esac
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done
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if [[ $silent_flag ]]; then
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exec 1> /dev/null
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fi
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test -d "$driver_dir" || driver_dir="/usr/lib64" # ..centos
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test -d "$driver_dir" || { echo "ERROR: cannot detect driver directory"; exit 1; }
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declare -A patch_list=(
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["375.39"]='s/\x85\xC0\x89\xC5\x75\x18/\x29\xC0\x89\xC5\x90\x90/g'
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["390.87"]='s/\x85\xC0\x89\xC5\x75\x18/\x29\xC0\x89\xC5\x90\x90/g'
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["396.24"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["396.26"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["396.37"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g' #added info from https://github.com/keylase/nvidia-patch/issues/6#issuecomment-406895356
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# break nvenc.c:236,layout asm,step-mode,step,break *0x00007fff89f9ba45
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# libnvidia-encode.so @ 0x15a45; test->sub, jne->nop-nop-nop-nop-nop-nop
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["396.54"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["410.48"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["410.57"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["410.73"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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["410.78"]='s/\x85\xC0\x89\xC5\x0F\x85\x96\x00\x00\x00/\x29\xC0\x89\xC5\x90\x90\x90\x90\x90\x90/g'
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)
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driver_version=$(/usr/bin/nvidia-smi --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1)
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if [[ ! $? -eq 0 ]]; then
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echo 'Something went wrong. Check nvidia driver'
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exit 1;
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fi
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echo "Detected nvidia driver version: $driver_version"
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patch=${patch_list[$driver_version]}
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if [[ ! $patch ]]; then
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echo "Patch for this ($driver_version) nvidia driver not found." 1>&2
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echo "Available patches for: " 1>&2
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for drv in "${!patch_list[@]}"; do
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echo "$drv" 1>&2
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done
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exit 1;
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fi
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if [[ $rollback_flag ]]; then
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if [[ -f $backup_path/libnvidia-encode.so.$driver_version ]]; then
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cp -p $backup_path/libnvidia-encode.so.$driver_version \
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$driver_dir/libnvidia-encode.so.$driver_version
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echo "Restore from backup libnvidia-encode.so.$driver_version"
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else
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echo "Backup not found. Try to patch first."
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exit 1;
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fi
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else
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if [[ ! -f $backup_path/libnvidia-encode.so.$driver_version ]]; then
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echo "Attention! Backup not found. Copy current libnvidia-encode to backup."
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mkdir -p $backup_path
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cp -p $driver_dir/libnvidia-encode.so.$driver_version \
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$backup_path/libnvidia-encode.so.$driver_version
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fi
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sha1sum $backup_path/libnvidia-encode.so.$driver_version
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sed "$patch" $backup_path/libnvidia-encode.so.$driver_version > \
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$driver_dir/libnvidia-encode.so.$driver_version
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sha1sum $driver_dir/libnvidia-encode.so.$driver_version
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ldconfig
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echo "Patched!"
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fi
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