From d329d711b3a31b55fa2299692c59a3621936327c Mon Sep 17 00:00:00 2001
From: "Wang.Bin" <Bin-B.Wang@luxshare-ict.com>
Date: Sun, 22 Dec 2024 15:41:07 +0800
Subject: [PATCH 3/3] Add-Free-Space-to-sel-info

---
 storagehandler.cpp | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/storagehandler.cpp b/storagehandler.cpp
index 389a805..476031a 100644
--- a/storagehandler.cpp
+++ b/storagehandler.cpp
@@ -32,6 +32,7 @@
 void register_netfn_storage_functions() __attribute__((constructor));
 
 unsigned int g_sel_time = 0xFFFFFFFF;
+constexpr uint16_t MaxEvtCount =1000;
 namespace ipmi
 {
 namespace sensor
@@ -276,7 +277,7 @@ ipmi::RspType<uint8_t,  // SEL revision.
     uint16_t entries = 0;
     // Most recent addition timestamp.
     uint32_t addTimeStamp = ipmi::sel::invalidTimeStamp;
-
+    bool overflowFlag = false;
     if (!selCacheMapInitialized)
     {
         // In case the initSELCache() fails, try it again
@@ -301,9 +302,24 @@ ipmi::RspType<uint8_t,  // SEL revision.
     }
 
     constexpr uint8_t selVersion = ipmi::sel::selVersion;
-    constexpr uint16_t freeSpace = 0xFFFF;
+    uint16_t freeSpace = 0xFFFF;
     constexpr uint32_t eraseTimeStamp = ipmi::sel::invalidTimeStamp;
     constexpr uint3_t reserved{0};
+    uint16_t u32FreeSpace = (MaxEvtCount - entries)*sizeof(SELEntry);
+    if (u32FreeSpace >= 0xFFFF)
+    {
+        freeSpace = 0xFFFF;
+    }
+    else
+    {
+        freeSpace = u32FreeSpace;
+    }
+
+    overflowFlag = ipmi::sel::operationSupport::overflow;
+    if (entries >= MaxEvtCount)
+    {
+        overflowFlag = true;
+    }
 
     return ipmi::responseSuccess(
         selVersion, entries, freeSpace, addTimeStamp, eraseTimeStamp,
@@ -311,7 +327,7 @@ ipmi::RspType<uint8_t,  // SEL revision.
         ipmi::sel::operationSupport::reserveSel,
         ipmi::sel::operationSupport::partialAddSelEntry,
         ipmi::sel::operationSupport::deleteSel, reserved,
-        ipmi::sel::operationSupport::overflow);
+        overflowFlag);
 }
 
 ipmi_ret_t getSELEntry(ipmi_netfn_t, ipmi_cmd_t, ipmi_request_t request,
-- 
2.25.1