1 files changed, 137 insertions, 0 deletions
diff --git a/src/usr/hwas/hwasPlat.C b/src/usr/hwas/hwasPlat.C
new file mode 100644
index 000000000..c47a134af
--- /dev/null
+++ b/src/usr/hwas/hwasPlat.C
@@ -0,0 +1,137 @@
+/*  IBM_PROLOG_BEGIN_TAG
+ *  This is an automatically generated prolog.
+ *
+ *  $Source: src/usr/hwas/hwasPlat.C $
+ *
+ *  IBM CONFIDENTIAL
+ *
+ *  COPYRIGHT International Business Machines Corp. 2012
+ *
+ *  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 other-
+ *  wise divested of its trade secrets, irrespective of what has
+ *  been deposited with the U.S. Copyright Office.
+ *
+ *  Origin: 30
+ *
+ *  IBM_PROLOG_END_TAG
+ */
+/**
+ *  @file hwasPlat.C
+ *
+ *  @brief Platform specifics
+ */
+
+#include <hwas/common/hwas.H>
+#include <hwas/common/hwasCommon.H>
+#include <hwas/common/hwasError.H>
+
+#include <devicefw/driverif.H>
+#include <initservice/taskargs.H>
+
+namespace HWAS
+{
+
+using   namespace   TARGETING;
+
+//******************************************************************************
+// platReadIDEC function
+//******************************************************************************
+errlHndl_t platReadIDEC(const TargetHandle_t &i_target)
+{
+    // we got a target - read the ID/EC
+    //  and update the appropriate ATTR_ field.
+    uint64_t id_ec;
+    size_t op_size = sizeof(id_ec);
+    errlHndl_t errl = NULL;
+    errl = DeviceFW::deviceRead(i_target, &id_ec,
+               op_size, DEVICE_SCOM_ADDRESS(0x000F000Full));
+
+    if (errl == NULL)
+    {   // no error, so we got a valid ID/EC value back
+        // EC - nibbles 0,2
+        //                        01234567
+        uint8_t ec = (((id_ec & 0xF000000000000000ull) >> 56) |
+                      ((id_ec & 0x00F0000000000000ull) >> 52));
+        i_target->setAttr<ATTR_EC>(ec);
+
+        // ID - nibbles 1,5,3,4
+        //                         01234567
+        uint32_t id = (((id_ec & 0x0F00000000000000ull) >> 44) |
+                       ((id_ec & 0x00000F0000000000ull) >> 32) |
+                       ((id_ec & 0x000F000000000000ull) >> 44) |
+                       ((id_ec & 0x0000F00000000000ull) >> 44));
+        i_target->setAttr<ATTR_CHIP_ID>(id);
+        HWAS_DBG( "i_target %.8X (%p) - id %x ec %x",
+            i_target->getAttr<ATTR_HUID>(), i_target, id, ec);
+    }
+    else
+    {   // errl was set - this is an error condition.
+        HWAS_ERR( "i_target %.8X (%p) - failed ID/EC read",
+            i_target->getAttr<ATTR_HUID>(), i_target);
+    }
+
+    return errl;
+} // platReadIDEC
+
+//******************************************************************************
+// platPresenceDetect function
+//******************************************************************************
+errlHndl_t platPresenceDetect(TargetHandleList &io_targets)
+{
+    errlHndl_t errl = NULL;
+
+    // we got a list of targets - determine if they are present
+    //  if not, delete them from the list
+    for (TargetHandleList::iterator pTarget_it = io_targets.begin();
+            pTarget_it != io_targets.end();
+            ) // increment will be done in the loop below
+    {
+        TargetHandle_t pTarget = *pTarget_it;
+
+        // call deviceRead() to see if they are present
+        bool present = false;
+        size_t presentSize = sizeof(present);
+        errl = deviceRead(pTarget, &present, presentSize,
+                                DEVICE_PRESENT_ADDRESS());
+
+        if (unlikely(errl != NULL))
+        {   // errl was set - this is an error condition.
+            HWAS_ERR( "pTarget %.8X (%p) - failed presence detect",
+                pTarget->getAttr<ATTR_HUID>(), pTarget);
+
+            // commit the error but keep going
+            errlCommit(errl, HWAS_COMP_ID);
+            // errl is now NULL
+
+            // target is not present - fall thru
+            present = false;
+        }
+
+        if (present == true)
+        {
+            HWAS_DBG( "pTarget %.8X (%p) - detected present",
+                pTarget->getAttr<ATTR_HUID>(), pTarget);
+
+            // advance to next entry in the list
+            pTarget_it++;
+        }
+        else
+        {   // chip not present -- remove from list
+            HWAS_DBG( "pTarget %.8X (%p) - no presence",
+                pTarget->getAttr<ATTR_HUID>(), pTarget);
+
+            // erase this target, and 'increment' to next
+            pTarget_it = io_targets.erase(pTarget_it);
+        }
+    } // for pTarget_it
+
+    return errl;
+} // platPresenceDetect
+
+} // namespace HWAS