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Add PCI speeds, width and gen to display.

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This commit is contained in:
SimonFair
2025-12-07 15:56:14 +00:00
parent 550655c90c
commit 0ab79f48ec
2 changed files with 92 additions and 1 deletions
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83
emhttp/plugins/dynamix/include/Helpers.php
View File

@@ -992,4 +992,87 @@ function getNumaInfo() {
return $result;
}
/**
* Get PCIe link data from sysfs with generation + clean GT/s rate.
* Suppresses width values of 0 or 255.
*
* @param string $pciAddress
* @return array
*/
function getPciLinkInfo($pciAddress)
{
$base = "/sys/bus/pci/devices/$pciAddress";
$files = [
"current_speed" => "$base/current_link_speed",
"max_speed" => "$base/max_link_speed",
"current_width" => "$base/current_link_width",
"max_width" => "$base/max_link_width",
];
$out = [
"current_speed" => null,
"max_speed" => null,
"current_width" => null,
"max_width" => null,
"speed_downgraded" => false,
"width_downgraded" => false,
"rate" => "GT/s",
"generation" => null,
];
// Read sysfs values
foreach ($files as $key => $file) {
if (!file_exists($file)) continue;
$value = trim(file_get_contents($file)); // ex: "16.0 GT/s" or "x8"
// Speeds
if (strpos($key, 'speed') !== false) {
if (preg_match('/([0-9.]+)/', $value, $m)) {
$out[$key] = floatval($m[1]);
}
}
// Widths
elseif (strpos($key, 'width') !== false) {
$width = intval(str_replace('x', '', $value));
// Suppress invalid widths: 0 or 255
if ($width === 0 || $width === 255) {
$out[$key] = null;
} else {
$out[$key] = $width;
}
}
}
// Downgrade flags
if ($out["current_speed"] && $out["max_speed"]) {
$out["speed_downgraded"] = ($out["current_speed"] < $out["max_speed"]);
}
if (
$out["current_width"] !== null &&
$out["max_width"] !== null &&
$out["current_width"] < $out["max_width"]
) {
$out["width_downgraded"] = true;
}
// PCIe Generation Table
$genTable = [
1 => 2.5,
2 => 5.0,
3 => 8.0,
4 => 16.0,
5 => 32.0,
6 => 64.0,
];
// Determine generation from max_speed
if (!empty($out["max_speed"])) {
$speed = $out["max_speed"];
foreach ($genTable as $gen => $gt) {
if (abs($speed - $gt) < 0.5) {
$out["generation"] = $gen;
break;
}
}
}
return $out;
}
?>

10
emhttp/plugins/dynamix/include/SysDevs.php
View File

@@ -241,7 +241,15 @@ case 't1':
} else { echo "</td><td>"; }
echo '</td><td title="';
foreach ($outputvfio as $line2) echo htmlentities($line2,ENT_QUOTES)."&#10;";
echo '">',$line,'</td></tr>';
echo '">',$line,'</td><td>';
$pcispeed = getPciLinkInfo($pciaddress);
$speedcol = $pcispeed['speed_downgraded'] ? '<span class="orange-text">'.$pcispeed['current_speed'].'</span>' : $pcispeed['current_speed'];
if ($pcispeed['max_speed']) $speedcol .= '/'.$pcispeed['max_speed'].' '.$pcispeed['rate'];
$widthcol = $pcispeed['width_downgraded'] ? '<span class="orange-text">x'.$pcispeed['current_width'].'</span>' : $pcispeed['current_width'];
if ($pcispeed['max_width']) $widthcol = $widthcol.'/'.$pcispeed['max_width'];
echo $speedcol, '</td><td>', $widthcol;
if (isset($pcispeed['generation'])) echo'(Gen:'.$pcispeed['generation'].')';
echo '</td></tr>';
if (array_key_exists($pciaddress,$pci_device_diffs)) {
echo "<tr><td></td><td><td></td><td></td><td>";
echo "<i class=\"fa fa-warning fa-fw orange-text\" title=\""._('PCI Change')."\n"._('Click to acknowledge').".\" onclick=\"ackPCI('".htmlentities($pciaddress)."','".htmlentities($pci_device_diffs[$pciaddress]['status'])."')\"></i>";