add .clang-format

Add .clang-format for automatic style.

Change-Id: I91e9acb28ca4218eba58dc13d10773bcb39c338f
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/sbe_interfaces.cpp b/sbe_interfaces.cpp
old mode 100755
new mode 100644
index 195c1f7..bf777b2
--- a/sbe_interfaces.cpp
+++ b/sbe_interfaces.cpp
@@ -1,9 +1,12 @@
+#include "sbe_interfaces.hpp"
+
+#include "sbe_chipOp_handler.hpp"
+
+#include <endian.h>
+
+#include <array>
 #include <iostream>
 #include <stdexcept>
-#include <array>
-#include <endian.h>
-#include "sbe_interfaces.hpp"
-#include "sbe_chipOp_handler.hpp"
 
 namespace openpower
 {
@@ -12,7 +15,7 @@
 
 constexpr size_t RESP_HEADER_LEN = 0x3;
 
-//Helper interfaces
+// Helper interfaces
 static inline uint32_t upper(uint64_t value)
 {
     return ((value & 0xFFFFFFFF00000000ull) >> 32);
@@ -28,79 +31,70 @@
 namespace scom
 {
 
-//Constants specific to SCOM operations
-static constexpr sbe_word_t READ_OPCODE  = 0x0000A201;
+// Constants specific to SCOM operations
+static constexpr sbe_word_t READ_OPCODE = 0x0000A201;
 static constexpr sbe_word_t WRITE_OPCODE = 0x0000A202;
 static constexpr size_t READ_CMD_LENGTH = 0x4;
 static constexpr size_t WRITE_CMD_LENGTH = 0x6;
 static constexpr size_t READ_RESP_LENGTH = 0x2;
 
-//Reading SCOM Registers
-uint64_t read(const char* devPath,
-              uint64_t address)
+// Reading SCOM Registers
+uint64_t read(const char* devPath, uint64_t address)
 {
     uint64_t value = 0;
 
-    //Validate input device path
+    // Validate input device path
     if (devPath == nullptr)
     {
         throw std::runtime_error("NULL FIFO device path");
     }
 
-    //Build SCOM read request command.
-    //Handle byte order mismatch ,SBE is big endian and BMC is
-    //little endian.
-    std::array<sbe_word_t, READ_CMD_LENGTH> command =
-    {
-        static_cast<sbe_word_t>(htobe32(READ_CMD_LENGTH)),
-        htobe32(READ_OPCODE),
-        htobe32(upper(address)),
-        htobe32(lower(address))
-    };
+    // Build SCOM read request command.
+    // Handle byte order mismatch ,SBE is big endian and BMC is
+    // little endian.
+    std::array<sbe_word_t, READ_CMD_LENGTH> command = {
+        static_cast<sbe_word_t>(htobe32(READ_CMD_LENGTH)), htobe32(READ_OPCODE),
+        htobe32(upper(address)), htobe32(lower(address))};
 
-    //Buffer to hold the response data along with the SBE header
-    const size_t respLength = RESP_HEADER_LEN + READ_RESP_LENGTH ;
+    // Buffer to hold the response data along with the SBE header
+    const size_t respLength = RESP_HEADER_LEN + READ_RESP_LENGTH;
     std::array<sbe_word_t, respLength> response = {};
 
-    //Write the command buffer to the SBE FIFO and obtain the response from the
-    //SBE FIFO device.This interface will parse the obtained SBE response and
-    //any internal SBE failures will be communicated via exceptions
+    // Write the command buffer to the SBE FIFO and obtain the response from the
+    // SBE FIFO device.This interface will parse the obtained SBE response and
+    // any internal SBE failures will be communicated via exceptions
     invokeSBEChipOperation(devPath, command, response);
 
     value = (((static_cast<uint64_t>(response[0])) << 32) | response[1]);
     return value;
 }
 
-void write(const char* devPath,
-           uint64_t address,
-           uint64_t data)
+void write(const char* devPath, uint64_t address, uint64_t data)
 {
-    //Validate input device path
+    // Validate input device path
     if (devPath == nullptr)
     {
         throw std::runtime_error("NULL FIFO device path");
     }
 
-    //Build SCOM write request command
-    //Handle byte order mismatch, SBE is big endian and BMC is
-    //little endian.
-    std::array<sbe_word_t, WRITE_CMD_LENGTH> command =
-    {
+    // Build SCOM write request command
+    // Handle byte order mismatch, SBE is big endian and BMC is
+    // little endian.
+    std::array<sbe_word_t, WRITE_CMD_LENGTH> command = {
         static_cast<sbe_word_t>(htobe32(WRITE_CMD_LENGTH)),
         htobe32(WRITE_OPCODE),
         htobe32(upper(address)),
         htobe32(lower(address)),
         htobe32(upper(data)),
-        htobe32(lower(data))
-    };
+        htobe32(lower(data))};
 
-    //Buffer to hold the SBE response status
+    // Buffer to hold the SBE response status
     const size_t respLength = RESP_HEADER_LEN;
     std::array<sbe_word_t, respLength> response = {};
 
-    //Write the command buffer to the SBE FIFO and obtain the response from the
-    //SBE FIFO device.This interface will parse the obtained SBE response and
-    //any internal SBE failures will be communicated via exceptions
+    // Write the command buffer to the SBE FIFO and obtain the response from the
+    // SBE FIFO device.This interface will parse the obtained SBE response and
+    // any internal SBE failures will be communicated via exceptions
     invokeSBEChipOperation(devPath, command, response);
 }