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+*** Settings ***
+Documentation       This suite tests checkstop operations through OS.
+Resource            ../lib/utils.robot
+Resource            ../lib/openbmc_ffdc.robot
+Resource            ../lib/ras/host_utils.robot
+Resource            ../lib/resource.txt
+Resource            ../lib/state_manager.robot
+Test Setup          RAS Test Setup
+Test Teardown       FFDC On Test Case Fail
+
+*** Variables ***
+${HOST_SETTINGS}    ${SETTINGS_URI}host0
+
+*** Test Cases ***
+
+Verify Channel Checkstop Through OS With Auto Reboot
+
+    [Documentation]  Verify Channel Checkstop (MBS FIR REG INT PROTOCOL ERROR)
+    ...              through OS With Auto Reboot settings enabled.
+    [Tags]           Verify_Channel_Checkstop_Through_OS_With_Auto_Reboot
+
+    Verify Checkstop Insertion With Auto Reboot
+    ...  Centaur  2011400  4000000000000000
+
+*** Keywords ***
+Inject Checkstop Through OS
+    [Documentation]  Inject checkstop on processor/centaur through OS.
+    ...              Test sequence:
+    ...              1. Boot To OS
+    ...              2. Clear any existing gard records
+    ...              3. Inject Checkstop on processor/centaur
+    [Arguments]      ${chip_type}  ${fru}  ${address}
+    # Description of arguments:
+    # chip_type      The chip type (Processor/Centaur).
+    # fru            FRU value (e.g. 2011400).
+    # address        chip address (e.g 4000000000000000).
+
+
+    Login To OS Host  ${OS_HOST}  ${OS_USERNAME}  ${OS_PASSWORD}
+    # Get core values are present through OS.
+    Get Cores Values From OS
+
+    Gard Operations On OS  clear all
+
+    # Fetch Processor/Centaur chip value based on the input chip_type.
+    ${output}=  Get ChipID From OS  ${chip_type}
+    ${chip_values}=  Split String  ${output}
+    ${chip_value}=  Get From List  ${chip_values}  0
+
+    Putscom Through OS  ${chip_value}  ${fru}  ${address}
+
+Verify And Clear Gard Records On OS
+    [Documentation]  Verify And Clear gard records on OS.
+
+    Login To OS Host  ${OS_HOST}  ${OS_USERNAME}  ${OS_PASSWORD}
+    ${output}=  Gard Operations On OS  list
+    Should Not Contain  ${output}  'No GARD entries to display'
+    Gard Operations On OS  clear all
+
+Verify Checkstop Insertion With Auto Reboot
+    [Documentation]  Inject and verify checkstop on processor/centaur through
+    ...              OS with auto reboot.
+    ...              Test sequence:
+    ...              1. Enable Auto Reboot Setting
+    ...              2. Inject Checkstop on processor/centaur
+    ...              3. Check If HOST rebooted and OS is up
+    ...              4. Verify & clear gard records
+    [Arguments]      ${chip_type}  ${fru}  ${address}
+    # Description of arguments:
+    # chip_type      The chip type (Processor/Centaur).
+    # fru            FRU value (e.g. 2011400).
+    # address        chip address (e.g 4000000000000000).
+
+    Set Auto Reboot  yes
+    Inject Checkstop Through OS  ${chip_type}  ${fru}  ${address}
+    Wait Until Keyword Succeeds  120 sec  20 sec  Is Host Rebooted
+    Wait for OS  ${OS_HOST}  ${OS_USERNAME}  ${OS_PASSWORD}
+    Verify And Clear Gard Records On OS
+
+RAS Test SetUp
+    [Documentation]  Validates input parameters.
+
+    Should Not Be Empty
+    ...   ${OS_HOST}  msg=You must provide DNS name/IP of the OS host.
+    Should Not Be Empty
+    ...   ${OS_USERNAME}  msg=You must provide OS host user name.
+    Should Not Be Empty
+    ...   ${OS_PASSWORD}  msg=You must provide OS host user password.