mirror of
https://github.com/HikariKnight/quickpassthrough.git
synced 2024-09-19 11:28:46 -04:00
86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
package internal
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"os/exec"
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"regexp"
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"strings"
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"github.com/HikariKnight/ls-iommu/pkg/errorcheck"
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"github.com/HikariKnight/quickpassthrough/internal/logger"
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"github.com/charmbracelet/bubbles/list"
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"github.com/klauspost/cpuid/v2"
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)
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func getIOMMU(args ...string) []string {
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var stdout, stderr bytes.Buffer
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// Write to logger
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logger.Printf("Executing: utils/ls-iommu %s\n", strings.Join(args, " "))
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// Configure the ls-iommu command
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cmd := exec.Command("utils/ls-iommu", args...)
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cmd.Stderr = &stderr
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cmd.Stdout = &stdout
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// Execute the command
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err := cmd.Run()
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// Generate the correct iommu string for the system
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var iommu_args string
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cpuinfo := cpuid.CPU
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// Write the argument based on which cpu the user got
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switch cpuinfo.VendorString {
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case "AuthenticAMD":
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iommu_args = "iommu=pt amd_iommu=on"
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case "GenuineIntel":
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iommu_args = "iommu=pt intel_iommu=on"
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}
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// If ls-iommu returns an error then IOMMU is disabled
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errorcheck.ErrorCheck(err,
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fmt.Sprintf(
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"IOMMU disabled in either UEFI/BIOS or in bootloader!\n"+
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"For your bootloader, make sure you have added the kernel arguments:\n"+
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"%s",
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iommu_args,
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),
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)
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// Read the output
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var items []string
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output, _ := io.ReadAll(&stdout)
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// Write to logger
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logger.Printf("ls-iommu query returned\n%s", string(output))
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// Parse the output line by line
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scanner := bufio.NewScanner(strings.NewReader(string(output)))
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for scanner.Scan() {
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// Write the objects into the list
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items = append(items, scanner.Text())
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}
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// Return our list of items
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return items
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}
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func iommuList2ListItem(stringList []string) []list.Item {
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// Make the []list.Item struct
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items := []list.Item{}
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deviceID := regexp.MustCompile(`\[[a-f0-9]{4}:[a-f0-9]{4}\]\s+`)
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// Parse the output line by line
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for _, v := range stringList {
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// Get the current line and split by :
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objects := strings.Split(v, ": ")
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// Write the objects into the list
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items = append(items, item{title: deviceID.ReplaceAllString(objects[2], ""), desc: fmt.Sprintf("%s: %s: DeviceID: %s", objects[0], objects[1], objects[3])})
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}
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// Return our list of items
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return items
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}
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