WOF: Function to calculate the Active Quad step number

Change-Id: I3acafe872623838fa2ad16e8c85288dddb275fb5 RTC: 130216 Depends-on: I2249777134608d9f79bdc85692a3acbf7907c3f5 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/34657 Reviewed-by: William A. Bryan <wilbryan@us.ibm.com> Tested-by: William A. Bryan <wilbryan@us.ibm.com>
open-power · Feb 1, 2017 · 4d6a999 · 4d6a999
1 parent 009f439
commit 4d6a999
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Showing 4 changed files with 69 additions and 5 deletions.
diff --git a/src/occ_405/main.c b/src/occ_405/main.c
@@ -555,6 +555,44 @@ void read_wof_header(void)
         memcpy(&G_wof_header, &(l_temp_bce_buff.data[pad]), sizeof(wof_header_data_t));
 
 
+        // Make sure the header is reporting a valid number of quads i.e. 1 or 6
+        if( (G_wof_header.active_quads_size != ACTIVE_QUAD_SZ_MIN) &&
+            (G_wof_header.active_quads_size != ACTIVE_QUAD_SZ_MAX) )
+        {
+            CMDH_TRAC_ERR("read_wof_header: Invalid number of active quads!"
+                          " Expected: 1 or 6, Actual %d",
+                          G_wof_header.active_quads_size );
+
+            /*
+             * @errortype
+             * @moduleid    READ_WOF_HEADER
+             * @reasoncode  INVALID_ACTIVE_QUAD_COUNT
+             * @userdata1   Reported active quad count
+             * @devdesc     Read an invalid number of active quads
+             */
+            l_reasonCode = INVALID_ACTIVE_QUAD_COUNT;
+            l_extReasonCode = ERC_WOF_QUAD_COUNT_FAILURE;
+            errlHndl_t l_errl = createErrl(READ_WOF_HEADER,        //modId
+                                   INVALID_ACTIVE_QUAD_COUNT,      //reasoncode
+                                   ERC_WOF_QUAD_COUNT_FAILURE,     //Extended reason code
+                                   ERRL_SEV_UNRECOVERABLE,         //Severity
+                                   NULL,                           //Trace Buf
+                                   0,                              //Trace Size
+                                   G_wof_header.active_quads_size, //userdata1
+                                   0);                             //userdata2
+
+            // Callout firmware
+            addCalloutToErrl(l_errl,
+                             ERRL_CALLOUT_TYPE_COMPONENT_ID,
+                             ERRL_COMPONENT_ID_FIRMWARE,
+                             ERRL_CALLOUT_PRIORITY_HIGH);
+
+            // Commit error log
+            commitErrl(&l_errl);
+
+            // We were unable to get the active quad count. Do not run wof algo.
+            G_run_wof_main = false;
+        }
 
 
     }while( 0 );

diff --git a/src/occ_405/occ_service_codes.h b/src/occ_405/occ_service_codes.h
@@ -59,6 +59,8 @@ enum occReasonCode
     SSX_GENERIC_FAILURE             = 0x17,
     /// Failure to handshake with an external fw entity (HB, FSP, PHYP, etc)
     EXTERNAL_INTERFACE_FAILURE      = 0x18,
+    /// Incorrect number of active quads reported
+    INVALID_ACTIVE_QUAD_COUNT       = 0x19,
     /// VRM reached error threshold (VR_HOT asserted)
     VRM_ERROR_TEMP                  = 0x20,
     /// VR_FAN  - AVS Bus over-temperature reported
@@ -240,6 +242,8 @@ enum occExtReasonCode
     ERC_PGPE_SUSPEND_FAILURE                    = 0x00B6,
     ERC_PGPE_CLIP_FAILURE                       = 0x00B7,
     ERC_PGPE_PPMR_OPPB_SIZE_MISMATCH            = 0x00B8,
+
+    ERC_WOF_QUAD_COUNT_FAILURE                  = 0x00C0,
 };
 
 // Error log Module Ids

diff --git a/src/occ_405/wof/wof.c b/src/occ_405/wof/wof.c
@@ -88,7 +88,7 @@ void wof_main(void)
 
 
 /**
- *  calculate_step
+ *  calculate_step_from_start
  *
  *  Description: Calculates the step number for the current VDN/VDD
  *
@@ -135,3 +135,20 @@ uint16_t calculate_step_from_start(uint16_t i_ceff_vdx,
 
     return l_current_step;
 }
+
+
+/**
+ * calc_quad_step_from_start
+ *
+ * Description: Calculates the step number for the current number
+ *              of active quads
+ *
+ * Param[in]: i_num_active_quads - The current number of active quads.
+ *
+ * Return: The calculated step for current active quads
+ */
+uint8_t calc_quad_step_from_start( uint8_t i_num_active_quads )
+{
+    return (G_wof_header.active_quads_size == ACTIVE_QUAD_SZ_MIN) ? 0 :
+                                              (i_num_active_quads - 1);
+}
diff --git a/src/occ_405/wof/wof.h b/src/occ_405/wof/wof.h
@@ -31,7 +31,8 @@
 // Define
 //******************************************************************************
 #define MIN_BCE_REQ_SIZE 256
-
+#define ACTIVE_QUAD_SZ_MIN 1
+#define ACTIVE_QUAD_SZ_MAX 6
 
 typedef struct __attribute__ ((packed))
 {
@@ -67,8 +68,12 @@ typedef struct
 void wof_main( void );
 
 uint16_t calculate_step_from_start( uint16_t i_ceff_vdx,
-                        uint8_t i_step_size,
-                        uint8_t i_min_step,
-                        uint8_t i_max_step );
+                                    uint8_t i_step_size,
+                                    uint8_t i_min_step,
+                                    uint8_t i_max_step );
+
+uint8_t calc_quad_step_from_start( uint8_t i_num_active_quads );
+
+
 
 #endif