Allow winkle of all threads for multi-drawer add.

RTC: 63124
Change-Id: I1ad1d6bdf6a2848b686b25504fabddddb701d440
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3813
Tested-by: Jenkins Server
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Michael Baiocchi <baiocchi@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h
index a4ae8d006..d680548b8 100644
--- a/src/include/sys/misc.h
+++ b/src/include/sys/misc.h
@@ -58,6 +58,17 @@ enum ShutdownStatus
     SHUTDOWN_STATUS_INITSVC_FAILED      = 0x01230004,
 };
 
+/**
+ * @enum WinkleScopes
+ *
+ * Scope of the winkle operation.
+ */
+enum WinkleScope
+{
+    WINKLE_SCOPE_MASTER = 0x0,
+    WINKLE_SCOPE_ALL = 0x1,
+};
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -161,6 +172,19 @@ uint64_t cpu_spr_value(CpuSprNames spr);
  */
 int cpu_master_winkle();
 
+/** @fn cpu_all_winkle
+ *  @brief Winkle all the threads.
+ *
+ *  This is used in multi-node systems to quiesce all the cores in a drawer
+ *  prior to the fabric being stitched together.
+ *
+ *  @retval 0 - Success
+ *
+ *  @note This function will migrate the task to the master thread and in the
+ *        process will unset any task affinity.  See task_affinity_unpin().
+ */
+int cpu_all_winkle();
+
 /** @fn cpu_crit_assert
  *  @brief Forces a Terminate Immediate after a crit-assert is issued
  *  @param[in] i_failAddr - value in the linkRegister of the address