Support for core_activate via IPI.

RTC: 37009
Change-Id: I56669805c86d9659a20ad7c26e5e9860c7a248c7
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1087
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 18 insertions, 3 deletions

diff --git a/src/include/sys/misc.h b/src/include/sys/misc.h
index fcf88f08a..90ff57964 100644
--- a/src/include/sys/misc.h
+++ b/src/include/sys/misc.h
@@ -92,11 +92,26 @@ ProcessorCoreType cpu_core_type();
 uint8_t cpu_dd_level();
 
 /** @fn cpu_thread_count()
- *  @breif Get the number of threads per cpu for this proctype
+ *  @brief Get the number of threads per cpu for this proctype
  *  @return # of threads per cpu
  */
 size_t cpu_thread_count();
 
+/** @fn cpu_start_core
+ *  @brief Have the kernel start a new core.
+ *
+ *  @param[in] pir - PIR value of the first thread on the core.
+ *
+ *  @note The kernel will start all threads on the requested core even
+ *        though the callee only requests with a single PIR value.
+ *
+ *  @return 0 or -(errno) on failure.
+ *
+ *  @retval -ENXIO - The core ID was outside of the range the kernel is
+ *                   prepared to support.
+ */
+int cpu_start_core(uint64_t pir);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/include/sys/vfs.h b/src/include/sys/vfs.h
index 254a10350..b4b7da594 100644
--- a/src/include/sys/vfs.h
+++ b/src/include/sys/vfs.h
@@ -32,7 +32,7 @@
 #endif
 
 // make TODO VFS_MODULE_MAX equal to the actual number of modules in the base image (+ 2?)
-#define VFS_MODULE_MAX 64
+#define VFS_MODULE_MAX 16
 // Extended use 4 4k pages
 //  Extended Module Virtual address at 1GB
 #define VFS_EXTENDED_MODULE_VADDR (1 * 1024 * 1024 * 1024)
@@ -51,7 +51,7 @@
 #define VFS_MODULE_DEFINE_START(f) \
     extern "C" void VFS_SYMBOL_START(void* args) \
     { \
-	f(args); \
+        f(args); \
     }
 
 #ifdef __cplusplus