commit 79e131fce6e308f7e0f96bc71b07a7f0ebeeffcd
author Patrick Venture <venture@google.com> Wed Aug 01 13:34:35 2018 -0700
committer Patrick Venture <venture@google.com> Mon Aug 06 12:26:44 2018 -0700
tree 43ce290a2d36195157bbf284451087b84c0a0b09
parent 54c3b53c0d0c7991469ab1be97bdf4e3f301e8f5

ipmi: start implementing flashDataBlock

Change-Id: I780c0e5da77a027ce23a674bd3fdbf08b8a81c14
Signed-off-by: Patrick Venture <venture@google.com>

ipmi.cpp

diff --git a/ipmi.cpp b/ipmi.cpp
index 65a719a..6201f0e 100644
--- a/ipmi.cpp
+++ b/ipmi.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include <cstring>
+
 #include "flash-ipmi.hpp"
 #include "ipmi.hpp"
 
@@ -38,3 +40,32 @@
     (*dataLen) = 1;
     return IPMI_CC_OK;
 }
+
+ipmi_ret_t dataBlock(UpdateInterface* updater, const uint8_t* reqBuf,
+                     uint8_t* replyBuf, size_t* dataLen)
+{
+    size_t requestLength = (*dataLen);
+    /* Require at least one byte. */
+    if (requestLength < sizeof(struct ChunkHdr) + 1)
+    {
+        return IPMI_CC_INVALID;
+    }
+
+    struct ChunkHdr hdr;
+    std::memcpy(&hdr, reqBuf, sizeof(hdr));
+
+    /* Grab the bytes from the packet. */
+    size_t bytesLength = requestLength - sizeof(struct ChunkHdr);
+    std::vector<uint8_t> bytes(bytesLength);
+    std::memcpy(bytes.data(), &reqBuf[sizeof(struct ChunkHdr)], bytesLength);
+
+    if (!updater->flashData(hdr.offset, bytes))
+    {
+        return IPMI_CC_INVALID;
+    }
+
+    /* We were successful and set the response byte to 0. */
+    replyBuf[0] = 0x00;
+    (*dataLen) = 1;
+    return IPMI_CC_OK;
+}