1 files changed, 64 insertions, 1 deletions

diff --git a/src/include/usr/errl/errlmanager.H b/src/include/usr/errl/errlmanager.H
index f7407d8c4..5bd2aa196 100644
--- a/src/include/usr/errl/errlmanager.H
+++ b/src/include/usr/errl/errlmanager.H
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2011,2018                        */
+/* Contributors Listed Below - COPYRIGHT 2011,2019                        */
 /* [+] Google Inc.                                                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
@@ -82,6 +82,32 @@ void errlCommit(errlHndl_t& io_err, compId_t i_committerComp );
 uint8_t getHiddenLogsEnable();
 
 /**
+ * @brief Returns the cached VERSION partition, if any. Makes a call to
+ *        ErrlManager::getCachedVersionPartition
+ * @return uint8_t* The pointer to the binary contents of the VERSION
+ *         partition; nullptr will be returned if VERSION hasn't been
+ *         cached yet of if there was an error during caching
+ */
+const uint8_t* getCachedVersionPartition();
+
+/**
+ * @brief Returns the size of the cached VERSION partition. Makes a call
+ *        to ErrlManager::getCachedVersionPartitionSize
+ * @return size_t The size of the cached VERSION partition. A 0 will be
+ *         returned if VERSION hasn't been cached yet or if there was an
+ *         error during caching
+ */
+size_t getCachedVersionPartitionSize();
+
+/*
+ * @brief Call to ErrlManager to cache the VERSION PNOR partition into an
+ *        internal buffer.
+ *
+ * @return errlHndl_t nullptr on success; non-nullptr on error.
+ */
+errlHndl_t cacheVersionPartition();
+
+/**
  *  @brief  Global enums used by static errlResourceReady function
  */
 enum errlManagerNeeds
@@ -209,6 +235,34 @@ public:
      */
      static bool errlCommittedThisBoot();
 
+    /**
+     * @brief Returns the cached VERSION partition, if any
+     * @return uint8_t* The pointer to the binary contents of the VERSION
+     *         partition
+     */
+    const uint8_t* getCachedVersionPartition() const;
+
+    /**
+     * @brief Returns the size of the cached VERSION partition
+     * @return size_t The size of the cached VERSION partition
+     */
+    size_t getCachedVersionPartitionSize() const;
+
+     /**
+      * @brief Cache the VERSION PNOR partition into a member buffer. The
+      *        buffer is dynamically allocated here to hold the contents of the
+      *        partition. If any error occurs during the execution, the buffer
+      *        is deleted and the error is returned. This function is not
+      *        supposed to be called within ErrlManager message handler, since
+      *        the function itself makes synchronous calls to various message
+      *        handlers. Note that once the partition is cached, the cache is
+      *        never purged to make sure all possible error logs receive the
+      *        VERSION field. No-op on FSP systems.
+      *
+      * @return errlHndl_t nullptr on success; non-nullptr on error.
+      */
+     errlHndl_t cacheVersionPartition();
+
 
     /**
      * @brief   Value to determine what logs are to be skipped. Mirrors
@@ -634,6 +688,15 @@ private:
     bool allowCallHomeEselsToBmc(void);
 #endif
 
+    const uint8_t* iv_versionPartitionCache; // The bin contents of the VERSION
+                                             // partition; once cached, the
+                                             // constents are never removed
+
+    size_t iv_versionPartitionCacheSize; // The size of the VERSION partition
+
+    bool iv_isVersionPartitionCached; // Whether the caching of the VERSION
+                                      // partition has been attempted
+
 };