tools: lpc: start implementation, send metadata
With the LPC interface, send the window information to the BMC.
Tested: Ran on test system and verified window mapped via ioctl to
driver as expected.
Change-Id: I7ffac6b52205b215fd698a574d098b505091c3d4
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/tools/lpc.cpp b/tools/lpc.cpp
index 97b7902..7a5faa2 100644
--- a/tools/lpc.cpp
+++ b/tools/lpc.cpp
@@ -16,12 +16,35 @@
#include "lpc.hpp"
+#include <cstring>
+
namespace host_tool
{
bool LpcDataHandler::sendContents(const std::string& input,
std::uint16_t session)
{
+ /* TODO: Add mechanism for configuring this. */
+ LpcRegion host_lpc_buf;
+
+ /* TODO: Remove hard-coded configuration used with test machine. */
+ host_lpc_buf.address = 0xfedc1000;
+ host_lpc_buf.length = 0x1000;
+
+ std::vector<std::uint8_t> payload(sizeof(host_lpc_buf));
+ std::memcpy(payload.data(), &host_lpc_buf, sizeof(host_lpc_buf));
+
+ blob->writeMeta(session, 0x00, payload);
+
+ /* TODO: Call sessionstat and see if the metadata confirms the region was
+ * mapped successfully, once the lpc data handler implements it.
+ */
+
+ /* todo:
+ * configure memory region (somehow)
+ * copy contents from file to memory region
+ * send external chunk (writeBlob) until it's all sent.
+ */
return false;
}
diff --git a/tools/lpc.hpp b/tools/lpc.hpp
index 913fc5d..9e9c8b3 100644
--- a/tools/lpc.hpp
+++ b/tools/lpc.hpp
@@ -3,9 +3,19 @@
#include "blob_interface.hpp"
#include "interface.hpp"
+#include <cstdint>
+
namespace host_tool
{
+struct LpcRegion
+{
+ /* Host LPC address at which the chunk is to be mapped. */
+ std::uint32_t address;
+ /* Size of the chunk to be mapped. */
+ std::uint32_t length;
+};
+
class LpcDataHandler : public DataInterface
{
public: