Support for UMF Components Model Software Components

models/yang/annotations/openconfig-platform-annot.yang

@@ -0,0 +1,15 @@
+module openconfig-platform-annot {
+
+    yang-version "1";
+    namespace "http://openconfig.net/yang/platform-annot";
+    prefix "oc-platform-annot";
+
+    import openconfig-platform { prefix oc-platform; }
+    import sonic-extensions { prefix sonic-ext; }
+
+    deviation /oc-platform:components/oc-platform:component {
+      deviate add {
+        sonic-ext:subtree-transformer "pfm_components_xfmr";
+      }
+    }
+}

models/yang/openconfig-platform-boot-loader.yang

@@ -0,0 +1,120 @@
+module openconfig-platform-boot-loader {
+
+  yang-version "1";
+
+  // namespace
+  namespace "http://openconfig.net/yang/platform/boot-loader";
+
+  prefix "oc-boot-loader";
+
+  import openconfig-platform { prefix oc-platform; }
+  import openconfig-extensions { prefix oc-ext; }
+
+  // meta
+  organization "OpenConfig working group";
+
+  contact
+    "OpenConfig working group
+    www.openconfig.net";
+
+  description
+    "This module defines data related to BOOT_LOADER components in the
+    OpenConfig platform model.";
+
+  oc-ext:openconfig-version "0.2.0";
+
+  revision "2026-02-27" {
+    description
+      "Added uboot, linuxboot, and systemd-boot types";
+    reference "0.2.0";
+  }
+
+  revision "2025-07-10" {
+    description
+      "Initial revision";
+    reference "0.1.0";
+  }
+
+  // OpenConfig specific extensions for module metadata.
+  oc-ext:regexp-posix;
+  oc-ext:catalog-organization "openconfig";
+  oc-ext:origin "openconfig";
+
+  // identity statements
+  identity BOOT_LOADER_BASE {
+    description
+      "Base identity for boot-loader types";
+  }
+
+  identity BOOT_LOADER_GRUB {
+    base BOOT_LOADER_BASE;
+    description
+      "GRUB is a boot-loader and boot manager for Linux and other Unix-based
+      OSes.";
+      reference "https://www.gnu.org/software/grub/";
+  }
+
+  identity BOOT_LOADER_ONIE {
+    base BOOT_LOADER_BASE;
+    description
+      "Open Network Install Environment (ONIE) is the combination of a boot
+      loader and a small operating system for network switches.
+
+      https://opencomputeproject.github.io/onie/overview/";
+  }
+
+  identity BOOT_LOADER_UBOOT {
+    base BOOT_LOADER_BASE;
+    description
+      "Das U-Boot, or the Universal Boot Loader.";
+      reference "https://u-boot.org/about/";
+  }
+
+  identity BOOT_LOADER_LINUXBOOT {
+    base BOOT_LOADER_BASE;
+    description
+      "LinuxBoot is the concept of using a Linux kernel and initramfs as a
+      bootloader.";
+      reference "https://www.linuxboot.org/";
+  }
+
+  identity BOOT_LOADER_SYSTEMD_BOOT {
+    base BOOT_LOADER_BASE;
+    description
+      "systemd-boot, previously called gummiboot (German for 'rubber dinghy')
+      and sometimes referred to as sd-boot, is an easy-to-configure UEFI boot
+      manager. It provides a textual menu to select the boot entry and an editor
+      for the kernel command line.";
+      reference "https://systemd.io/";
+  }
+
+  // typedef statements
+
+  // grouping statements
+
+  grouping boot-loader-state {
+    description
+      "Operational state data for boot-loader components";
+
+    leaf type {
+      type identityref {
+        base BOOT_LOADER_BASE;
+      }
+      description
+        "Specifies the type of boot-loader";
+    }
+  }
+
+  // data definition statements
+
+  // augment statements
+
+  augment "/oc-platform:components/oc-platform:component/" +
+    "oc-platform:boot-loader/oc-platform:state" {
+    description
+      "Adding boot-loader data to component model";
+
+    uses boot-loader-state;
+  }
+
+}

models/yang/openconfig-platform.yang

@@ -1283,6 +1283,21 @@ revision "2024-05-29" {
           "Operational state data for controller card components";
       }
     }
+    container boot-loader {
+      description
+        "Data for boot-loader components";
+
+      container config {
+        description
+          "Configuration data for boot-loader components";
+      }
+
+      container state {
+        config false;
+        description
+          "Operational state data for boot-loader components";
+      }
+    }
   }
 
   grouping platform-component-top {