From ea61ab84088d0b97fe7f7641adb43f82faacc00c Mon Sep 17 00:00:00 2001
From: Vasundhara Volam <vvolam@microsoft.com>
Date: Tue, 24 Sep 2024 19:21:00 +0000
Subject: [PATCH] Modify APIs and add new APIs for supporting reboot on a
 SmartSwitch

---
 sonic_platform_base/module_base.py | 23 ++++++++++++++++++++++-
 tests/module_base_test.py          |  2 ++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/sonic_platform_base/module_base.py b/sonic_platform_base/module_base.py
index 0067f116f..906a9a6e1 100644
--- a/sonic_platform_base/module_base.py
+++ b/sonic_platform_base/module_base.py
@@ -50,6 +50,8 @@ class ModuleBase(device_base.DeviceBase):
     MODULE_REBOOT_CPU_COMPLEX = "CPU"
     # Module reboot type to reboot FPGA complex
     MODULE_REBOOT_FPGA_COMPLEX = "FPGA"
+    # Module reboot type to reboot DPU
+    MODULE_REBOOT_DPU = "DPU"
 
     def __init__(self):
         # List of ComponentBase-derived objects representing all components
@@ -166,7 +168,9 @@ def reboot(self, reboot_type):
         Args:
             reboot_type: A string, the type of reboot requested from one of the
             predefined reboot types: MODULE_REBOOT_DEFAULT, MODULE_REBOOT_CPU_COMPLEX,
-            or MODULE_REBOOT_FPGA_COMPLEX
+            MODULE_REBOOT_FPGA_COMPLEX or MODULE_REBOOT_DPU
+
+            MODULE_REBOOT_DPU is only applicable for smartswitch chassis.
 
         Returns:
             bool: True if the request has been issued successfully, False if not
@@ -258,6 +262,23 @@ def get_state_info(self):
         """
         raise NotImplementedError
 
+    def get_dpu_bus_info(self, dpu_name):
+        """
+        Retrieves the DPU bus information for the specified by "dpu_name" on a SmartSwitch.
+
+        Returns:
+            Returns the PCI bus information in BDF format like "[DDDD:]BB:SS:F"
+        """
+        raise NotImplementedError
+
+    def pci_detach_dpu(self, dpu_name):
+        """
+        Detaches the DPU PCI device specified by "dpu_name" on a SmartSwitch.
+
+        Returns: True once the PCI is successfully detached.
+        """
+        raise NotImplementedError
+
     ##############################################
     # Component methods
     ##############################################
diff --git a/tests/module_base_test.py b/tests/module_base_test.py
index b4b9519e3..88df1e3d6 100644
--- a/tests/module_base_test.py
+++ b/tests/module_base_test.py
@@ -8,6 +8,8 @@ def test_module_base(self):
                 [module.get_dpu_id],
                 [module.get_reboot_cause],
                 [module.get_state_info],
+                [module.get_dpu_bus_info],
+                [module.pci_detach_dpu],
             ]
 
         for method in not_implemented_methods: