New mm_block_map syscall.

RTC: 71081
Change-Id: Ic5531fbba92cfc7aad7d303f043d6a350483d63d
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4607
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 18 insertions, 1 deletions

diff --git a/src/include/sys/mm.h b/src/include/sys/mm.h
index d71d5a1b3..959c2fa57 100644
--- a/src/include/sys/mm.h
+++ b/src/include/sys/mm.h
@@ -122,6 +122,23 @@ int mm_extend(MM_EXTEND_SIZE i_size = MM_EXTEND_REAL_MEMORY);
  */
 int mm_linear_map(void *i_paddr, uint64_t i_size);
 
+/** @fn mm_block_map()
+ *  @brief   Allocate an arbitrary physical address into the VMM.
+ *  @param[in] i_paddr - Physical address of the memory to map.
+ *  @param[in] i_size - Size of memory to map (in bytes).
+ *
+ *  @return Virtual address or NULL.
+ */
+void* mm_block_map(void* i_paddr, uint64_t i_size);
+
+/** @fn mm_block_unmap()
+ *  @brief   Unallocate a block previously allocated with mm_block_map.
+ *  @param[in] i_vaddr - Virtual address of the mapped block.
+ *
+ *  @return int - 0 for successful unmap, non-zero otherwise.
+ */
+int mm_block_unmap(void* i_vaddr);
+
 /** @fs mm_icache_invalidate()
  *  @brief Invalidate the ICACHE for the given memory
  *
diff --git a/src/include/sys/mmio.h b/src/include/sys/mmio.h
index 273965a88..9fd609cf9 100644
--- a/src/include/sys/mmio.h
+++ b/src/include/sys/mmio.h
@@ -48,7 +48,7 @@ enum SEG_DATA_SIZES
  * @param i_devDataSize[in] - Size of device segment block
  * @return void* - Pointer to beginning virtual address, NULL otherwise
  */
-void* mmio_dev_map(void *ra, SEG_DATA_SIZES i_devDataSize);
+void* mmio_dev_map(void *ra, uint64_t i_devDataSize);
 /**
  * @brief System call to unmap a device from the device segment(2TB)
  * @param ea[in] - Void pointer to effective address