module openconfig-platform-integrated-circuit {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/platform/integrated-circuit";

    prefix oc-ic;

    import openconfig-platform {
      prefix oc-platform;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    www.openconfig.net";

    description
      "This module defines extensions to the OpenConfig platform model
    that apply to integrated circuit (INTEGRATED_CIRCUIT) components.
    These components are generically forwarding NPUs or ASICs within
    the system for which configuration or state is applicable.";

    revision "2022-04-20" {
      description "Remove unused import";
      reference
        "0.3.1";

    }

    revision "2021-08-09" {
      description
        "Amendments to the platform capacity model.";
      reference
        "0.3.0";

    }

    revision "2021-07-08" {
      description
        "Adding integrated circuit memory parity error counters.";
      reference
        "0.2.0";

    }

    revision "2021-06-21" {
      description
        "Fix typos in description statements.";
      reference
        "0.1.2";

    }

    revision "2021-06-16" {
      description
        "Remove trailing whitespace.";
      reference
        "0.1.1";

    }

    revision "2021-05-16" {
      description
        "Initial revision with platform capacity.";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.3.1";
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    grouping backplane-facing-capacity-structural {
      description
        "Structural grouping for reporting on backplane-facing capacity of an integrated
      circuit.";
      container backplane-facing-capacity {
        description
          "This container allows a particular INTEGRATED_CIRCUIT to report its
        available backplane-facing bandwidth. Where an integrated circuit is connected
        by one or more links to the system's backplane, the capacity is the total cross-
        sectional bandwidth available from the input ports of the integrated circuit
        across the fabric. The capacity should also reflect the operational status of
        the links.";
        container state {
          config false;
          description
            "Operational state parameters relating to backplane capacity.";
          uses backplane-capacity-state;
        }  // container state
      }  // container backplane-facing-capacity
    }  // grouping backplane-facing-capacity-structural

    grouping backplane-capacity-state {
      description
        "Operational state relating to backplane capacity.";
      leaf total {
        oc-ext:telemetry-on-change;
        type uint64;
        units "bits per second";
        description
          "Total backplane-facing capacity that is available in the presence
        of no link failures or degradation.";
      }

      leaf total-operational-capacity {
        oc-ext:telemetry-on-change;
        type uint64;
        units "bits per second";
        description
          "Total backplane-facing capacity that is currently available based
        on the active links.";
      }

      leaf consumed-capacity {
        oc-ext:telemetry-on-change;
        type uint64;
        units "bits per second";
        description
          "Backplane-facing capacity that is consumed by front-panel ports that are connected
        to the integrated circuit and are operationally up.";
      }

      leaf available-pct {
        oc-ext:telemetry-on-change;
        type uint16;
        description
          "Percentage of the total backplane-facing capacity that is currently available to the front
        panel ports taking into account failures and/or degradation within the system.

        In the case that there is more backplane-facing capacity available than the front-panel
        ports consume, this value may be greater than 100%.";
      }
    }  // grouping backplane-capacity-state

    grouping integrated-circuit-memory {
      description
        "Structural grouping for integrated circuit memory.";
      container memory {
        description
          "Container for integrated circuit memory.";
        container state {
          config false;
          description
            "Operational state parameters relating to integrated circuit memory.";
          uses integrated-circuit-memory-state;
        }  // container state
      }  // container memory
    }  // grouping integrated-circuit-memory

    grouping integrated-circuit-memory-state {
      description
        "Counters that correspond to parity errors in integrated circuit memory";
      leaf corrected-parity-errors {
        type uint64;
        description
          "Number of corrected parity errors. Single bit ECC errors can be
        detected and corrected by most integrated circuits.";
      }

      leaf uncorrected-parity-errors {
        type uint64;
        description
          "Number of uncorrected parity errors. Multi-bit ECC errors can be
        detected but cannot be corrected by most integrated circuits.";
      }

      leaf total-parity-errors {
        type uint64;
        description
          "Total number of parity errors. This includes both the corrected and
        uncorrected parity errors.";
      }
    }  // grouping integrated-circuit-memory-state

    augment /oc-platform:components/oc-platform:component/oc-platform:integrated-circuit {
      description
        "Augment integrated circuit components with backplane-facing capacity and memory errors.";
      uses backplane-facing-capacity-structural;

      uses integrated-circuit-memory;
    }
  }  // module openconfig-platform-integrated-circuit