HTMGT support for Pstate Table Biasing

Change-Id: I96aff34fb9b588d8546575b77655a6cf167469fb
RTC: 128436
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/18789
Tested-by: Jenkins Server
Tested-by: Jenkins OP Build CI
Tested-by: Jenkins OP HW
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

3 files changed, 54 insertions, 0 deletions

diff --git a/src/include/runtime/interface.h b/src/include/runtime/interface.h
index a7177a000..055f751a5 100644
--- a/src/include/runtime/interface.h
+++ b/src/include/runtime/interface.h
@@ -466,6 +466,32 @@ typedef struct runtimeInterfaces
     int (*apply_attr_override)(uint8_t* i_data,
                                size_t i_size );
 
+    /**
+     * @brief Send a pass-through command to HTMGT
+     *
+     * @details  This is a blocking call that will send a command
+     *           to HTMGT.
+     *
+     * @note     If o_rspLength is returned with a non-zero value,
+     *           the data at the o_rspData should be dumped to
+     *           stdout in a hex dump format.
+     * @note     The maximum response data returned will be 4096 bytes
+     *
+     * @param[in]      i_cmdLength  number of bytes in pass-thru command data
+     * @param[in]     *i_cmdData    pointer to pass-thru command data
+     * @param[out]    *o_rspLength  pointer to number of bytes returned
+     *                              in o_rspData
+     * @param[out]    *o_rspData    pointer to a 4096 byte buffer that will
+     *                              contain the response data from the command
+     *
+     * @returns  0 on success, or return code if the command failed
+     * @platform OpenPower
+     */
+    int (*mfg_htmgt_pass_thru)(uint16_t   i_cmdLength,
+                               uint8_t *  i_cmdData,
+                               uint16_t * o_rspLength,
+                               uint8_t *  o_rspData);
+
     // Reserve some space for future growth.
     void (*reserved[32])(void);
 
diff --git a/src/include/usr/htmgt/htmgt.H b/src/include/usr/htmgt/htmgt.H
index de7cfd2fb..8fbdf21c9 100755
--- a/src/include/usr/htmgt/htmgt.H
+++ b/src/include/usr/htmgt/htmgt.H
@@ -107,6 +107,30 @@ namespace HTMGT
      */
     errlHndl_t enableOccActuation(bool i_occActivation);
 
+
+
+    /**
+     * @brief Send a pass-through command to HTMGT
+     *
+     * @details  This is a blocking call that will send a command
+     *           to HTMGT.
+     *
+     * @note     The maximum response data returned will be 4096 bytes
+     *
+     * @param[in]    i_cmdLength  number of bytes in pass-thru command data
+     * @param[in]   *i_cmdData    pointer to pass-thru command data
+     * @param[out]   o_rspLength  number of bytes returned in o_rspData
+     * @param[out]  *o_rspData    pointer to a 4096 byte buffer that will
+     *                            contain the response data from the command
+     *
+     * @returns  NULL on success, or an error handle if the state did not
+     *           change.
+     */
+    errlHndl_t passThruCommand(uint16_t   i_cmdLength,
+                               uint8_t *  i_cmdData,
+                               uint16_t & o_rspLength,
+                               uint8_t *  o_rspData);
+
 }
 
 #endif // HTMGT_H
diff --git a/src/include/usr/htmgt/htmgt_reasoncodes.H b/src/include/usr/htmgt/htmgt_reasoncodes.H
index 18c4da539..5fc1b9638 100644
--- a/src/include/usr/htmgt/htmgt_reasoncodes.H
+++ b/src/include/usr/htmgt/htmgt_reasoncodes.H
@@ -40,6 +40,8 @@ namespace HTMGT
         HTMGT_MOD_PROCESS_OCC_RESET     = 0x06,
         HTMGT_MOD_OCC_RESET             = 0x07,
         HTMGT_MOD_BUILD_OCCS            = 0x08,
+        HTMGT_MOD_PASS_THRU             = 0x09,
+        HTMGT_MOD_CFG_FREQ_POINTS       = 0x0A,
         HTMGT_MOD_OCC_POLL              = 0x76,
         HTMGT_MOD_BAD_FRU_CALLOUTS      = 0x7D,
         HTMGT_MOD_MISMATCHING_SEVERITY  = 0x7F,
@@ -54,11 +56,13 @@ namespace HTMGT
 
     enum htmgtReasonCode
     {
+        HTMGT_RC_NO_ERROR              = 0x00,
         HTMGT_RC_INTERNAL_ERROR        = HTMGT_COMP_ID | 0x01,
         HTMGT_RC_THROTTLE_UTIL_ERROR   = HTMGT_COMP_ID | 0x02,
         HTMGT_RC_THROTTLE_INVALID_N    = HTMGT_COMP_ID | 0x03,
         HTMGT_RC_OT_THROTTLE_INVALID_N = HTMGT_COMP_ID | 0x04,
         HTMGT_RC_OCC_NOT_READY         = HTMGT_COMP_ID | 0x05,
+        HTMGT_RC_ATTRIBUTE_ERROR       = HTMGT_COMP_ID | 0x06,
         HTMGT_RC_NO_SUPPORT            = HTMGT_COMP_ID | 0x0F,
         HTMGT_RC_OCC_RESET             = HTMGT_COMP_ID | 0x15,
         HTMGT_RC_OCC_CRIT_FAILURE      = HTMGT_COMP_ID | 0x16,