TCE support

RTC:36952
Change-Id: Icc1e88df4e8a8b50cae4fd9fe3789e98be61604e
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4297
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

3 files changed, 105 insertions, 1 deletions

diff --git a/src/include/usr/runtime/runtime_reasoncodes.H b/src/include/usr/runtime/runtime_reasoncodes.H
index 4a8f8c0ae..6d3df5bf2 100644
--- a/src/include/usr/runtime/runtime_reasoncodes.H
+++ b/src/include/usr/runtime/runtime_reasoncodes.H
@@ -38,6 +38,14 @@ namespace RUNTIME
         MOD_HDATSERVICE_GET_STANDALONE_SECTION  = 0x06, /**< hdatservice.C */
         MOD_HDATSERVICE_GET_HOST_DATA_SECTION  = 0x07, /**< hdatservice.C */
         MOD_HDATSERVICE_VERIFY_HDAT_ADDRESS  = 0x08, /**< hdatservice.C */
+        MOD_TCE_CREATE                  = 0x09,   /**< tce.C */
+        MOD_TCE_INIT_HDW                = 0x0A,   /**< tce.C */
+        MOD_TCE_ALLOCATE                = 0x0B,   /**< tce.C */
+        MOD_TCE_DEALLOCATE              = 0x0C,   /**< tce.C */
+        MOD_TCE_INIT                    = 0x0D,   /**< tce.C */
+        MOD_TCE_MAP                     = 0x0E,   /**< tce.C */
+
+
     };
 
     enum RuntimeReasonCode
@@ -55,7 +63,14 @@ namespace RUNTIME
         RC_INVALID_ADDRESS          = RUNTIME_COMP_ID | 0x0B,
         RC_INVALID_SECTION          = RUNTIME_COMP_ID | 0x0C,
         RC_CANNOT_MAP_MEMORY3       = RUNTIME_COMP_ID | 0x0D,
-
+        RC_TCE_INVALID_SIZE         = RUNTIME_COMP_ID | 0x0E,
+        RC_TCE_ADDR_NOT_ALIGNED     = RUNTIME_COMP_ID | 0x0F,
+        RC_TCE_INIT_NOT_RUN         = RUNTIME_COMP_ID | 0x10,
+        RC_TCE_DEV_MAP_FAIL         = RUNTIME_COMP_ID | 0x11,
+        RC_TCE_DEV_UNMAP_FAIL       = RUNTIME_COMP_ID | 0x12,
+        RC_TCE_NO_ACTIVE_PSI        = RUNTIME_COMP_ID | 0x13,
+        RC_TCE_NOT_ENOUGH_FREE_ENTRIES = RUNTIME_COMP_ID | 0x14,
+        RC_TCE_ENTRY_NOT_CONTIGUOUS   = RUNTIME_COMP_ID | 0x15,
     };
 };
 
diff --git a/src/include/usr/runtime/tceif.H b/src/include/usr/runtime/tceif.H
new file mode 100644
index 000000000..9dcc7ca14
--- /dev/null
+++ b/src/include/usr/runtime/tceif.H
@@ -0,0 +1,83 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/usr/runtime/tceif.H $                             */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2013                   */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+#ifndef __TCEIF_H
+#define __TCEIF_H
+
+#include <stdint.h>
+#include <builtins.h>
+#include <errl/errlentry.H>
+#include <devicefw/userif.H>
+
+
+namespace TCE
+{
+    /**
+     * @brief Responsible for initalizing the TCE entries
+     *
+     * @return errl - Return Error Handle if failed.
+     *
+     */
+    errlHndl_t createTceTable();
+
+    /**
+     * @brief Responsible for setting up the Processors to point to the TCE
+     *            table
+     *
+     * @return errl - Return Error Handle if failed.
+     *
+     */
+    errlHndl_t initTceInHdw();
+
+    /**
+     * @brief Responsible for allocating TCE Entries
+     *
+     * @param[in] i_startingAddress - Starting address to TCE
+     * @param[in] i_size - Size of the address space
+     * @param[out] startingToken - Starting Entry into the table.
+     *          (this is an offset into the array based on the
+     *           TCE index * PAGESIZE.  Each TCE entry maps to a
+     *           pagesize of memory)
+     *
+     * Note:  Must run createTceTable and InitTceInHdw or allocate will not work
+     *
+     * @return errl - Return Error Handle if failed.
+     *
+     */
+    errlHndl_t allocateTces(uint64_t startingAddress, uint64_t size, uint64_t&
+                            startingToken);
+
+    /**
+     * @brief Responsible for deallocating TCE Entries
+     *
+     * @param[in] i_startingToken - Token indicating the starting entry to
+     *                              remove
+     * @param[in] i_size - Size of memory space to remove TCE entries
+     *                     associated
+     *
+     * @return errl - Return Error Handle if fatal failure occurred.
+     *
+     */
+    errlHndl_t deallocateTces(uint64_t startingToken, uint64_t size);
+};
+
+#endif
diff --git a/src/include/usr/vmmconst.h b/src/include/usr/vmmconst.h
index 3a0526347..544f0d32f 100644
--- a/src/include/usr/vmmconst.h
+++ b/src/include/usr/vmmconst.h
@@ -149,4 +149,10 @@ enum BlockPriority
 #define DUMP_TEST_MEMORY_ADDR (HSVC_TEST_MEMORY_ADDR + HSVC_TEST_MEMORY_SIZE)
 #define DUMP_TEST_MEMORY_SIZE  (4*MEGABYTE)
 
+/** Location of the TCE Table */
+#define TCE_TABLE_ADDR  (90*MEGABYTE)
+
+// The size if 512K bytes of entries each uint64_t or 8 bytes in size.
+#define TCE_TABLE_SIZE  ((512*KILOBYTE)*sizeof(uint64_t))
+
 #endif /* _VMMCONST_H */