commit 4289e717ea5c7591ae3324f55abd92fb2f1b7663
author Patrick Venture <venture@google.com> Tue Apr 30 17:08:50 2019 -0700
committer Patrick Venture <venture@google.com> Fri May 03 09:17:28 2019 -0700
tree a3b0cf337b64dd83eebdd97956f9a55cc2e4fc60
parent bc40c613afe9b61be3334d280483c13f31b870a1

pci_handler: add support for opening, mapping, closing

Add support for opening, mapping, closing the aspeed-p2a-ctrl.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I8a9361d69af0218365ab752ea69f9276bd0e767a

pci_handler.hpp

diff --git a/pci_handler.hpp b/pci_handler.hpp
index f99a811..f3ae798 100644
--- a/pci_handler.hpp
+++ b/pci_handler.hpp
@@ -24,10 +24,10 @@
 class PciDataHandler : public DataInterface
 {
   public:
-    PciDataHandler(std::uint32_t regionAddress,
+    PciDataHandler(std::uint32_t regionAddress, std::size_t regionSize,
                    const internal::Sys* sys = &internal::sys_impl) :
         regionAddress(regionAddress),
-        sys(sys){};
+        memoryRegionSize(regionSize), sys(sys){};
 
     bool open() override;
     bool close() override;
@@ -37,7 +37,11 @@
 
   private:
     std::uint32_t regionAddress;
+    std::uint32_t memoryRegionSize;
     const internal::Sys* sys;
+
+    int mappedFd = -1;
+    std::uint8_t* mapped = nullptr;
     static const std::string p2aControlPath;
 };