From 4c031f4075efa58a23dc646f3196f07e9c7069e5 Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Mon, 2 Jan 2023 16:10:43 +0100
Subject: [PATCH] Add I/O related type definitions

---
 sdk/xtdk/iotypes.h | 98 ++++++++++++++++++++++++++++++++++++++++++++++
 sdk/xtdk/xtkmapi.h |  1 +
 2 files changed, 99 insertions(+)
 create mode 100644 sdk/xtdk/iotypes.h

diff --git a/sdk/xtdk/iotypes.h b/sdk/xtdk/iotypes.h
new file mode 100644
index 0000000..dc716ad
--- /dev/null
+++ b/sdk/xtdk/iotypes.h
@@ -0,0 +1,98 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            sdk/xtdk/iotypes.h
+ * DESCRIPTION:     I/O related type definitions
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#ifndef __XTDK_IOTYPES_H
+#define __XTDK_IOTYPES_H
+
+#include "xttypes.h"
+
+
+/* Number of PCI base address registers */
+#define PCI_TYPE0_ADDRESSES             6
+#define PCI_TYPE1_ADDRESSES             2
+#define PCI_TYPE2_ADDRESSES             5
+
+/* PCI and PCI-E common header structure */
+typedef struct _PCI_COMMON_HEADER {
+    USHORT VendorId;
+    USHORT DeviceId;
+    USHORT Command;
+    USHORT Status;
+    UCHAR RevisionId;
+    UCHAR ProgIf;
+    UCHAR SubClass;
+    UCHAR BaseClass;
+    UCHAR CacheLineSize;
+    UCHAR LatencyTimer;
+    UCHAR HeaderType;
+    UCHAR BIST;
+    union
+    {
+        struct _PCI_TYPE0_HEADER
+        {
+            ULONG BaseAddresses[PCI_TYPE0_ADDRESSES];
+            ULONG CIS;
+            USHORT SubVendorId;
+            USHORT SubSystemId;
+            ULONG ROMBaseAddress;
+            UCHAR CapabilitiesPtr;
+            UCHAR Reserved1[3];
+            ULONG Reserved2;
+            UCHAR InterruptLine;
+            UCHAR InterruptPin;
+            UCHAR MinimumGrant;
+            UCHAR MaximumLatency;
+        } type0;
+        struct _PCI_TYPE1_HEADER
+        {
+            ULONG BaseAddresses[PCI_TYPE1_ADDRESSES];
+            UCHAR PrimaryBus;
+            UCHAR SecondaryBus;
+            UCHAR SubordinateBus;
+            UCHAR SecondaryLatency;
+            UCHAR IOBase;
+            UCHAR IOLimit;
+            USHORT SecondaryStatus;
+            USHORT MemoryBase;
+            USHORT MemoryLimit;
+            USHORT PrefetchBase;
+            USHORT PrefetchLimit;
+            ULONG PrefetchBaseUpper32;
+            ULONG PrefetchLimitUpper32;
+            USHORT IOBaseUpper16;
+            USHORT IOLimitUpper16;
+            UCHAR CapabilitiesPtr;
+            UCHAR Reserved1[3];
+            ULONG ROMBaseAddress;
+            UCHAR InterruptLine;
+            UCHAR InterruptPin;
+            USHORT BridgeControl;
+        } type1;
+        struct _PCI_TYPE2_HEADER
+        {
+            ULONG SocketRegistersBaseAddress;
+            UCHAR CapabilitiesPtr;
+            UCHAR Reserved;
+            USHORT SecondaryStatus;
+            UCHAR PrimaryBus;
+            UCHAR SecondaryBus;
+            UCHAR SubordinateBus;
+            UCHAR SecondaryLatency;
+            struct
+            {
+                ULONG Base;
+                ULONG Limit;
+            } Range[PCI_TYPE2_ADDRESSES - 1];
+            UCHAR InterruptLine;
+            UCHAR InterruptPin;
+            USHORT BridgeControl;
+        } type2;
+    } u;
+} PCI_COMMON_HEADER, *PPCI_COMMON_HEADER;
+
+#endif /* __XTDK_IOTYPES_H */
diff --git a/sdk/xtdk/xtkmapi.h b/sdk/xtdk/xtkmapi.h
index 42591da..4be6d7c 100644
--- a/sdk/xtdk/xtkmapi.h
+++ b/sdk/xtdk/xtkmapi.h
@@ -29,6 +29,7 @@
 #include "rtltypes.h"
 #include "ldrtypes.h"
 #include "hltypes.h"
+#include "iotypes.h"
 
 /* Architecture-specific low level data types headers */
 #include ARCH_HEADER(hltypes.h)