18 files changed, 1527 insertions, 37 deletions

diff --git a/ChangeLog b/ChangeLog
index f5852d7..a614281 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,30 @@
+2022-11-18  Martin Mares <mj@ucw.cz>
+
+	* XXX: To be released as 3.9.0.
+
+	* We decode Compute Express Link (CXL) capabilities.
+
+	* The tree mode of lspci is now compatible with filtering options.
+
+	* When setpci is used with a named register, it checks whether
+	  the register is present in the particular header type.
+
+	* Linux: The intel-conf[12] back-ends prefer to use ioperm() instead
+	  of iopl() to gain access to I/O ports.
+
+	* Windows: We have two new back-ends thanks to Pali Rohár.
+	  One uses the NT SysDbg interface, the other uses kldbgdrv.sys
+	  (which is a part of the Microsoft WinDbg tool).
+
+	* Windows: We support building libpci as a DLL. Also, Windows
+	  binaries now include meta-data with version.
+
+	* Hurd: The Hurd back-end works again.
+
+	* mmio-ports: Added a new back-end implementing the intel-conf1
+	  interface over MMIO. This is useful on some ARM machines, but it
+	  requires manual configuration of the MMIO addresses.
+
 2022-04-18  Martin Mares <mj@ucw.cz>
 
 	* Released as 3.8.0.
diff --git a/Makefile b/Makefile
index e2e3bd7..11f15f1 100644
--- a/Makefile
+++ b/Makefile
@@ -112,6 +112,21 @@ example.o: example.c $(PCIINC)
 %$(EXEEXT): %.o
 	$(CC) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
 
+ifdef PCI_OS_WINDOWS
+comma := ,
+%-rsrc.rc: lib/winrsrc.rc.in
+	sed <$< >$@ -e 's,@PCILIB_VERSION@,$(PCILIB_VERSION),' \
+		-e 's,@PCILIB_VERSION_WINRC@,$(subst .,\$(comma),$(PCILIB_VERSION).0),' \
+		-e 's,@FILENAME@,$(subst -rsrc.rc,$(EXEEXT),$@),' \
+		-e 's,@DESCRIPTION@,$(subst -rsrc.rc,,$@),' \
+		-e 's,@LIBRARY_BUILD@,0,' \
+		-e 's,@DEBUG_BUILD@,$(if $(findstring -g,$(CFLAGS)),1,0),'
+%-rsrc.o: %-rsrc.rc
+	$(WINDRES) --input=$< --output=$@ --input-format=rc --output-format=coff
+lspci$(EXEEXT): lspci-rsrc.o
+setpci$(EXEEXT): setpci-rsrc.o
+endif
+
 %.8 %.7 %.5: %.man
 	M=`echo $(DATE) | sed 's/-01-/-January-/;s/-02-/-February-/;s/-03-/-March-/;s/-04-/-April-/;s/-05-/-May-/;s/-06-/-June-/;s/-07-/-July-/;s/-08-/-August-/;s/-09-/-September-/;s/-10-/-October-/;s/-11-/-November-/;s/-12-/-December-/;s/\(.*\)-\(.*\)-\(.*\)/\3 \2 \1/'` ; sed <$< >$@ "s/@TODAY@/$$M/;s/@VERSION@/pciutils-$(VERSION)/;s#@IDSDIR@#$(IDSDIR)#;s#@PCI_IDS@#$(PCI_IDS)#"
 
@@ -125,7 +140,7 @@ TAGS:
 
 clean:
 	rm -f `find . -name "*~" -o -name "*.[oa]" -o -name "\#*\#" -o -name TAGS -o -name core -o -name "*.orig"`
-	rm -f update-pciids lspci$(EXEEXT) setpci$(EXEEXT) example$(EXEEXT) lib/config.* *.[578] pci.ids.gz lib/*.pc lib/*.so lib/*.so.* lib/*.dll lib/*.def lib/dllrsrc.rc tags
+	rm -f update-pciids lspci$(EXEEXT) setpci$(EXEEXT) example$(EXEEXT) lib/config.* *.[578] pci.ids.gz lib/*.pc lib/*.so lib/*.so.* lib/*.dll lib/*.def lib/dllrsrc.rc *-rsrc.rc tags
 	rm -rf maint/dist
 
 distclean: clean
diff --git a/lib/Makefile b/lib/Makefile
index a119bdf..43829ef 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -63,6 +63,10 @@ OBJS += emulated
 OBJS += win32-cfgmgr32
 endif
 
+ifdef PCI_HAVE_PM_WIN32_KLDBG
+OBJS += win32-kldbg
+endif
+
 ifdef PCI_HAVE_PM_WIN32_SYSDBG
 OBJS += win32-sysdbg
 endif
@@ -83,10 +87,12 @@ $(PCIIMPDEF): libpci.ver ver2def.pl
 $(PCIIMPLIB): $(PCIIMPDEF)
 	$(DLLTOOL) --input-def $< --output-lib $@
 comma := ,
-dllrsrc.rc: dllrsrc.rc.in
+dllrsrc.rc: winrsrc.rc.in
 	sed <$< >$@ -e 's,@PCILIB_VERSION@,$(PCILIB_VERSION),' \
 		-e 's,@PCILIB_VERSION_WINRC@,$(subst .,\$(comma),$(PCILIB_VERSION).0),' \
-		-e 's,@PCILIB@,$(PCILIB),' \
+		-e 's,@FILENAME@,$(PCILIB),' \
+		-e 's,@DESCRIPTION@,libpci,' \
+		-e 's,@LIBRARY_BUILD@,1,' \
 		-e 's,@DEBUG_BUILD@,$(if $(findstring -g,$(CFLAGS)),1,0),'
 dllrsrc.o: dllrsrc.rc
 	$(WINDRES) --input=$< --output=$@ --input-format=rc --output-format=coff
@@ -133,6 +139,7 @@ filter.o: filter.c $(INCL)
 nbsd-libpci.o: nbsd-libpci.c $(INCL)
 hurd.o: hurd.c $(INCL)
 win32-cfgmgr32.o: win32-cfgmgr32.c $(INCL)
+win32-kldbg.o: win32-kldbg.c $(INCL)
 win32-sysdbg.o: win32-sysdbg.c $(INCL)
 
 # MinGW32 toolchain has some required Win32 header files in /ddk subdirectory.
diff --git a/lib/configure b/lib/configure
index 7676c0b..57b064b 100755
--- a/lib/configure
+++ b/lib/configure
@@ -118,8 +118,6 @@ case $sys in
         darwin*)
 	        echo_n " darwin"
 		echo >>$c '#define PCI_HAVE_PM_DARWIN_DEVICE'
-		echo >>$c '#define PCI_HAVE_PM_MMIO_CONF'
-		echo >>$c '#define PCI_PATH_DEVMEM_DEVICE "/dev/mem"'
 		echo >>$m 'WITH_LIBS+=-lresolv -framework CoreFoundation -framework IOKit'
 		echo >>$c '#define PCI_HAVE_64BIT_ADDRESS'
 		LIBRESOLV=
@@ -129,8 +127,6 @@ case $sys in
 	aix)
 		echo_n " aix-device"
 		echo >>$c '#define PCI_HAVE_PM_AIX_DEVICE'
-		echo >>$c '#define PCI_HAVE_PM_MMIO_CONF'
-		echo >>$c '#define PCI_PATH_DEVMEM_DEVICE "/dev/mem"'
 		echo >>$m 'CFLAGS=-g'
 		echo >>$m 'INSTALL=installbsd'
 		echo >>$m 'DIRINSTALL=mkdir -p'
@@ -150,8 +146,6 @@ case $sys in
 		echo_n " hurd i386-ports"
 		echo >>$c '#define PCI_HAVE_PM_HURD_CONF'
 		echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
-		echo >>$c '#define PCI_HAVE_PM_MMIO_CONF'
-		echo >>$c '#define PCI_PATH_DEVMEM_DEVICE "/dev/mem"'
 		;;
 	djgpp)
 		echo_n " i386-ports"
@@ -159,9 +153,10 @@ case $sys in
 		EXEEXT=.exe
 		;;
 	cygwin|windows)
-		echo_n " win32-cfgmgr32 win32-sysdbg"
+		echo_n " win32-cfgmgr32 win32-kldbg win32-sysdbg"
 		echo >>$c '#define PCI_HAVE_64BIT_ADDRESS'
 		echo >>$c '#define PCI_HAVE_PM_WIN32_CFGMGR32'
+		echo >>$c '#define PCI_HAVE_PM_WIN32_KLDBG'
 		echo >>$c '#define PCI_HAVE_PM_WIN32_SYSDBG'
 		# Warning: MinGW-w64 (incorrectly) provides cfgmgr32 functions
 		# also in other import libraries, not only in libcfgmgr32.a.
@@ -188,8 +183,6 @@ case $sys in
 						echo >>$c '#define PCI_HAVE_PM_INTEL_CONF'
 						;;
 		esac
-		echo >>$c '#define PCI_HAVE_PM_MMIO_CONF'
-		echo >>$c '#define PCI_PATH_DEVMEM_DEVICE "/dev/misc/mem"'
 		echo >>$c '#define PCI_HAVE_STDINT_H'
 		;;
 	sylixos)
diff --git a/lib/header.h b/lib/header.h
index e74f6d8..63ee03c 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -1129,6 +1129,86 @@
 /* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Register Locator */
 #define PCI_CXL_RL_BLOCK1_LO 0x0c
 
+/* PCIe CXL Designated Vendor-Specific Capabilities for Global Persistent Flush */
+#define PCI_CXL_GPF_DEV_LEN         0x10
+#define PCI_CXL_GPF_DEV_PHASE2_DUR  0x0a /* GPF Phase 2 Duration Register */
+#define PCI_CXL_GPF_DEV_PHASE2_POW  0x0c /* GPF Phase 2 Power Register */
+#define PCI_CXL_GPF_DEV_1US     0x0
+#define PCI_CXL_GPF_DEV_10US    0x1
+#define PCI_CXL_GPF_DEV_100US   0x2
+#define PCI_CXL_GPF_DEV_1MS     0x3
+#define PCI_CXL_GPF_DEV_10MS    0x4
+#define PCI_CXL_GPF_DEV_100MS   0x5
+#define PCI_CXL_GPF_DEV_1S      0x6
+#define PCI_CXL_GPF_DEV_10S     0x7
+#define PCI_CXL_GPF_PORT_LEN    0x10
+#define PCI_CXL_GPF_PORT_PHASE1_CTRL  0x0c /* GPF Phase 1 Control Register */
+#define PCI_CXL_GPF_PORT_PHASE2_CTRL 0x0e /* GPF Phase 2 Control Register */
+#define PCI_CXL_GPF_PORT_1US     0x0
+#define PCI_CXL_GPF_PORT_10US    0x1
+#define PCI_CXL_GPF_PORT_100US   0x2
+#define PCI_CXL_GPF_PORT_1MS     0x3
+#define PCI_CXL_GPF_PORT_10MS    0x4
+#define PCI_CXL_GPF_PORT_100MS   0x5
+#define PCI_CXL_GPF_PORT_1S      0x6
+#define PCI_CXL_GPF_PORT_10S     0x7
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Flex Bus Port */
+#define PCI_CXL_FB_LEN                0x20
+#define PCI_CXL_FB_PORT_CAP           0x0a    /* CXL Flex Bus Port Capability Register */
+#define  PCI_CXL_FB_CAP_CACHE         0x0001  /* CXL.cache Capable */
+#define  PCI_CXL_FB_CAP_IO            0x0002  /* CXL.io Capable */
+#define  PCI_CXL_FB_CAP_MEM           0x0004  /* CXL.mem Capable */
+#define  PCI_CXL_FB_CAP_68B_FLIT      0x0020  /* CXL 68B Flit and VH Capable */
+#define  PCI_CXL_FB_CAP_MULT_LOG_DEV  0x0040  /* CXL Multi-Logical Device Capable */
+#define  PCI_CXL_FB_CAP_256B_FLIT     0x2000  /* CXL Latency Optimized 256B Flit Capable */
+#define  PCI_CXL_FB_CAP_PBR_FLIT      0x4000  /* CXL PBR Flit Capable */
+#define PCI_CXL_FB_PORT_CTRL            0x0c    /* CXL Flex Bus Port Control Register */
+#define  PCI_CXL_FB_CTRL_CACHE          0x0001  /* CXL.cache Enable */
+#define  PCI_CXL_FB_CTRL_IO             0x0002  /* CXL.io Enable */
+#define  PCI_CXL_FB_CTRL_MEM            0x0004  /* CXL.mem Enable */
+#define  PCI_CXL_FB_CTRL_SYNC_HDR_BYP   0x0008  /* CXL Sync Header Bypass Enable */
+#define  PCI_CXL_FB_CTRL_DRFT_BUF       0x0010  /* Drift Buffer Enable */
+#define  PCI_CXL_FB_CTRL_68B_FLIT       0x0020  /* CXL 68B Flit and VH Enable */
+#define  PCI_CXL_FB_CTRL_MULT_LOG_DEV   0x0040  /* CXL Multi Logical Device Enable */
+#define  PCI_CXL_FB_CTRL_RCD            0x0080  /* Disable RCD Training */
+#define  PCI_CXL_FB_CTRL_RETIMER1       0x0100  /* Retimer1 Present */
+#define  PCI_CXL_FB_CTRL_RETIMER2       0x0200  /* Retimer2 Present */
+#define  PCI_CXL_FB_CTRL_256B_FLIT      0x2000  /* CXL Latency Optimized 256B Flit Enable */
+#define  PCI_CXL_FB_CTRL_PBR_FLIT       0x4000  /* CXL PBR Flit Enable */
+#define PCI_CXL_FB_PORT_STATUS            0x0e    /* CXL Flex Bus Port Status Register */
+#define  PCI_CXL_FB_STAT_CACHE            0x0001  /* CXL.cache Enabled */
+#define  PCI_CXL_FB_STAT_IO               0x0002  /* CXL.io Enabled */
+#define  PCI_CXL_FB_STAT_MEM              0x0004  /* CXL.mem Enabled */
+#define  PCI_CXL_FB_STAT_SYNC_HDR_BYP     0x0008  /* CXL Sync Header Bypass Enabled */
+#define  PCI_CXL_FB_STAT_DRFT_BUF         0x0010  /* Drift Buffer Enabled */
+#define  PCI_CXL_FB_STAT_68B_FLIT         0x0020  /* CXL 68B Flit and VH Enabled */
+#define  PCI_CXL_FB_STAT_MULT_LOG_DEV     0x0040  /* CXL Multi Logical Device Enabled */
+#define  PCI_CXL_FB_STAT_256B_FLIT        0x2000  /* CXL Latency Optimized 256B Flit Enabled */
+#define  PCI_CXL_FB_STAT_PBR_FLIT         0x4000  /* CXL PBR Flit Enabled */
+#define PCI_CXL_FB_MOD_TS_DATA              0x10    /* CXL Flex Bus Port Received Modified TS Data Phase1 Register */
+#define PCI_CXL_FB_PORT_CAP2                0x14    /* CXL Flex Bus Port Capability2 Register */
+#define  PCI_CXL_FB_CAP2_NOP_HINT           0x01    /* NOP Hint Capable */
+#define PCI_CXL_FB_PORT_CTRL2               0x18    /* CXL Flex Bus Port Control2 Register */
+#define  PCI_CXL_FB_CTRL2_NOP_HINT          0x01    /* NOP Hint Enable */
+#define PCI_CXL_FB_PORT_STATUS2             0x1c    /* CXL Flex Bus Port Status2 Register */
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Multi-Logical Device */
+#define PCI_CXL_MLD_LEN     0x10
+#define PCI_CXL_MLD_NUM_LD  0xa
+#define PCI_CXL_MLD_MAX_LD  0x10
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Non-CXL Function Map */
+#define PCI_CXL_FUN_MAP_LEN     0x2c
+#define PCI_CXL_FUN_MAP_REG_0   0x0c
+#define PCI_CXL_FUN_MAP_REG_1   0x10
+#define PCI_CXL_FUN_MAP_REG_2   0x14
+#define PCI_CXL_FUN_MAP_REG_3   0x18
+#define PCI_CXL_FUN_MAP_REG_4   0x1c
+#define PCI_CXL_FUN_MAP_REG_5   0x20
+#define PCI_CXL_FUN_MAP_REG_6   0x24
+#define PCI_CXL_FUN_MAP_REG_7   0x28
+
 /* Access Control Services */
 #define PCI_ACS_CAP		0x04	/* ACS Capability Register */
 #define PCI_ACS_CAP_VALID	0x0001	/* ACS Source Validation */
diff --git a/lib/i386-io-linux.h b/lib/i386-io-linux.h
index 731e8e3..a2fd69e 100644
--- a/lib/i386-io-linux.h
+++ b/lib/i386-io-linux.h
@@ -7,17 +7,61 @@
  */
 
 #include <sys/io.h>
+#include <errno.h>
+
+static int ioperm_enabled;
+static int iopl_enabled;
 
 static int
 intel_setup_io(struct pci_access *a UNUSED)
 {
-  return (iopl(3) < 0) ? 0 : 1;
+  if (ioperm_enabled || iopl_enabled)
+    return 1;
+
+  /*
+   * Before Linux 2.6.8, only the first 0x3ff I/O ports permissions can be
+   * modified via ioperm(). Since 2.6.8 all ports are supported.
+   * Since Linux 5.5, EFLAGS-based iopl() implementation was removed and
+   * replaced by new TSS-IOPB-map-all-based emulator. Before Linux 5.5,
+   * EFLAGS-based iopl() allowed userspace to enable/disable interrupts,
+   * which is dangerous. So prefer usage of ioperm() and fallback to iopl().
+   */
+  if (ioperm(0xcf8, 8, 1) < 0) /* conf1 + conf2 ports */
+    {
+      if (errno == EINVAL) /* ioperm() unsupported */
+        {
+          if (iopl(3) < 0)
+            return 0;
+          iopl_enabled = 1;
+          return 1;
+        }
+      return 0;
+    }
+  if (ioperm(0xc000, 0xfff, 1) < 0) /* remaining conf2 ports */
+    {
+      ioperm(0xcf8, 8, 0);
+      return 0;
+    }
+
+  ioperm_enabled = 1;
+  return 1;
 }
 
 static inline void
 intel_cleanup_io(struct pci_access *a UNUSED)
 {
-  iopl(0);
+  if (ioperm_enabled)
+    {
+      ioperm(0xcf8, 8, 0);
+      ioperm(0xc000, 0xfff, 0);
+      ioperm_enabled = 0;
+    }
+
+  if (iopl_enabled)
+    {
+      iopl(0);
+      iopl_enabled = 0;
+    }
 }
 
 static inline void intel_io_lock(void)
diff --git a/lib/i386-io-windows.h b/lib/i386-io-windows.h
index 1509d7d..6bb578c 100644
--- a/lib/i386-io-windows.h
+++ b/lib/i386-io-windows.h
@@ -1343,7 +1343,8 @@ intel_setup_io(struct pci_access *a)
   /* On NT-based systems issue ProcessUserModeIOPL syscall which changes IOPL to 3. */
   if (!SetProcessUserModeIOPL())
     {
-      a->warning("NT ProcessUserModeIOPL call failed with error: %lu.", (unsigned long int)GetLastError());
+      DWORD error = GetLastError();
+      a->debug("NT ProcessUserModeIOPL call failed: %s.", error == ERROR_INVALID_FUNCTION ? "Not Implemented" : error == ERROR_PRIVILEGE_NOT_HELD ? "Access Denied" : "Operation Failed");
       return 0;
     }
 
diff --git a/lib/i386-ports.c b/lib/i386-ports.c
index 2e64fe4..0ca87dd 100644
--- a/lib/i386-ports.c
+++ b/lib/i386-ports.c
@@ -136,6 +136,9 @@ conf1_read(struct pci_dev *d, int pos, byte *buf, int len)
   if (d->domain || pos >= 256)
     return 0;
 
+  if (len != 1 && len != 2 && len != 4)
+    return pci_generic_block_read(d, pos, buf, len);
+
   intel_io_lock();
   outl(0x80000000 | ((d->bus & 0xff) << 16) | (PCI_DEVFN(d->dev, d->func) << 8) | (pos&~3), 0xcf8);
 
@@ -150,8 +153,6 @@ conf1_read(struct pci_dev *d, int pos, byte *buf, int len)
     case 4:
       ((u32 *) buf)[0] = cpu_to_le32(inl(addr));
       break;
-    default:
-      res = pci_generic_block_read(d, pos, buf, len);
     }
 
   intel_io_unlock();
@@ -167,6 +168,9 @@ conf1_write(struct pci_dev *d, int pos, byte *buf, int len)
   if (d->domain || pos >= 256)
     return 0;
 
+  if (len != 1 && len != 2 && len != 4)
+    return pci_generic_block_write(d, pos, buf, len);
+
   intel_io_lock();
   outl(0x80000000 | ((d->bus & 0xff) << 16) | (PCI_DEVFN(d->dev, d->func) << 8) | (pos&~3), 0xcf8);
 
@@ -181,8 +185,6 @@ conf1_write(struct pci_dev *d, int pos, byte *buf, int len)
     case 4:
       outl(le32_to_cpu(((u32 *) buf)[0]), addr);
       break;
-    default:
-      res = pci_generic_block_write(d, pos, buf, len);
     }
   intel_io_unlock();
   return res;
@@ -228,6 +230,9 @@ conf2_read(struct pci_dev *d, int pos, byte *buf, int len)
     /* conf2 supports only 16 devices per bus */
     return 0;
 
+  if (len != 1 && len != 2 && len != 4)
+    return pci_generic_block_read(d, pos, buf, len);
+
   intel_io_lock();
   outb((d->func << 1) | 0xf0, 0xcf8);
   outb(d->bus, 0xcfa);
@@ -242,8 +247,6 @@ conf2_read(struct pci_dev *d, int pos, byte *buf, int len)
     case 4:
       ((u32 *) buf)[0] = cpu_to_le32(inl(addr));
       break;
-    default:
-      res = pci_generic_block_read(d, pos, buf, len);
     }
   outb(0, 0xcf8);
   intel_io_unlock();
@@ -263,6 +266,9 @@ conf2_write(struct pci_dev *d, int pos, byte *buf, int len)
     /* conf2 supports only 16 devices per bus */
     return 0;
 
+  if (len != 1 && len != 2 && len != 4)
+    return pci_generic_block_write(d, pos, buf, len);
+
   intel_io_lock();
   outb((d->func << 1) | 0xf0, 0xcf8);
   outb(d->bus, 0xcfa);
@@ -277,8 +283,6 @@ conf2_write(struct pci_dev *d, int pos, byte *buf, int len)
     case 4:
       outl(le32_to_cpu(* (u32 *) buf), addr);
       break;
-    default:
-      res = pci_generic_block_write(d, pos, buf, len);
     }
 
   outb(0, 0xcf8);
diff --git a/lib/init.c b/lib/init.c
index c81d90c..5ce260a 100644
--- a/lib/init.c
+++ b/lib/init.c
@@ -81,6 +81,11 @@ static struct pci_methods *pci_methods[PCI_ACCESS_MAX] = {
 #else
   NULL,
 #endif
+#ifdef PCI_HAVE_PM_WIN32_KLDBG
+  &pm_win32_kldbg,
+#else
+  NULL,
+#endif
 #ifdef PCI_HAVE_PM_WIN32_SYSDBG
   &pm_win32_sysdbg,
 #else
@@ -106,6 +111,7 @@ static int probe_sequence[] = {
   PCI_ACCESS_SYLIXOS_DEVICE,
   PCI_ACCESS_HURD,
   PCI_ACCESS_WIN32_CFGMGR32,
+  PCI_ACCESS_WIN32_KLDBG,
   PCI_ACCESS_WIN32_SYSDBG,
   // Low-level methods poking the hardware directly
   PCI_ACCESS_I386_TYPE1,
diff --git a/lib/internal.h b/lib/internal.h
index 6bfcde7..81316dc 100644
--- a/lib/internal.h
+++ b/lib/internal.h
@@ -135,4 +135,4 @@ extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc,
 	pm_fbsd_device, pm_aix_device, pm_nbsd_libpci, pm_obsd_device,
 	pm_dump, pm_linux_sysfs, pm_darwin, pm_sylixos_device, pm_hurd,
 	pm_mmio_conf1,
-	pm_win32_cfgmgr32, pm_win32_sysdbg;
+	pm_win32_cfgmgr32, pm_win32_kldbg, pm_win32_sysdbg;
diff --git a/lib/pci.h b/lib/pci.h
index f6197c4..f198f11 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -44,6 +44,7 @@ enum pci_access_type {
   PCI_ACCESS_SYLIXOS_DEVICE,		/* SylixOS pci */
   PCI_ACCESS_HURD,			/* GNU/Hurd */
   PCI_ACCESS_WIN32_CFGMGR32,		/* Win32 cfgmgr32.dll */
+  PCI_ACCESS_WIN32_KLDBG,		/* Win32 kldbgdrv.sys */
   PCI_ACCESS_WIN32_SYSDBG,		/* Win32 NT SysDbg */
   PCI_ACCESS_MMIO_TYPE1,		/* MMIO ports, type 1 */
   PCI_ACCESS_MAX
diff --git a/lib/types.h b/lib/types.h
index 243997f..ab53f7c 100644
--- a/lib/types.h
+++ b/lib/types.h
@@ -75,7 +75,9 @@ typedef u32 pciaddr_t;
 #if defined(__GNUC__) && __GNUC__ > 2
 #define PCI_PRINTF(x,y) __attribute__((format(printf, x, y)))
 #define PCI_NONRET __attribute((noreturn))
+#define PCI_PACKED __attribute((packed))
 #else
 #define PCI_PRINTF(x,y)
 #define PCI_NONRET
+#define PCI_PACKED
 #endif
diff --git a/lib/win32-cfgmgr32.c b/lib/win32-cfgmgr32.c
index 004f95f..a3404d1 100644
--- a/lib/win32-cfgmgr32.c
+++ b/lib/win32-cfgmgr32.c
@@ -126,7 +126,7 @@ resolve_cfgmgr32_functions(void)
  * cfgmgr32.dll uses custom non-Win32 error numbers which are unsupported by
  * Win32 APIs like GetLastError() and FormatMessage() functions.
  *
- * Windows 7 instroduced new cfgmgr32.dll function CM_MapCrToWin32Err() for
+ * Windows 7 introduced new cfgmgr32.dll function CM_MapCrToWin32Err() for
  * translating mapping CR_* errors to Win32 errors but most error codes are
  * not mapped. So this function is unusable.
  *
@@ -498,18 +498,28 @@ retry_service_config:
         service_image_path[systemroot_len++] = L'\\';
       wcscpy(service_image_path + systemroot_len, service_config->lpBinaryPathName + sizeof("\\SystemRoot\\")-1);
     }
-  else if (wcsncmp(service_config->lpBinaryPathName, L"\\??\\UNC\\", sizeof("\\??\\UNC\\")-1) == 0)
+  else if (wcsncmp(service_config->lpBinaryPathName, L"\\??\\UNC\\", sizeof("\\??\\UNC\\")-1) == 0 ||
+           wcsncmp(service_config->lpBinaryPathName, L"\\??\\\\UNC\\", sizeof("\\??\\\\UNC\\")-1) == 0)
     {
       /* ImagePath is in NT UNC namespace, convert to Win32 UNC path via "\\\\" prefix. */
       service_image_path = pci_malloc(a, sizeof(WCHAR) * (sizeof("\\\\") + wcslen(service_config->lpBinaryPathName) - (sizeof("\\??\\UNC\\")-1)));
+      /* Namespace separator may be single or double backslash. */
+      driver_path_len = sizeof("\\??\\")-1;
+      if (service_config->lpBinaryPathName[driver_path_len] == L'\\')
+        driver_path_len++;
+      driver_path_len += sizeof("UNC\\")-1;
       wcscpy(service_image_path, L"\\\\");
-      wcscpy(service_image_path + sizeof("\\\\")-1, service_config->lpBinaryPathName + sizeof("\\??\\UNC\\")-1);
+      wcscpy(service_image_path + sizeof("\\\\")-1, service_config->lpBinaryPathName + driver_path_len);
     }
   else if (wcsncmp(service_config->lpBinaryPathName, L"\\??\\", sizeof("\\??\\")-1) == 0)
     {
       /* ImagePath is in NT Global?? namespace, root of the Win32 file namespace, so just remove "\\??\\" prefix to get Win32 path. */
       service_image_path = pci_malloc(a, sizeof(WCHAR) * (wcslen(service_config->lpBinaryPathName) - (sizeof("\\??\\")-1)));
-      wcscpy(service_image_path, service_config->lpBinaryPathName + sizeof("\\??\\")-1);
+      /* Namespace separator may be single or double backslash. */
+      driver_path_len = sizeof("\\??\\")-1;
+      if (service_config->lpBinaryPathName[driver_path_len] == L'\\')
+        driver_path_len++;
+      wcscpy(service_image_path, service_config->lpBinaryPathName + driver_path_len);
     }
   else if (service_config->lpBinaryPathName[0] != L'\\')
     {
diff --git a/lib/win32-kldbg.c b/lib/win32-kldbg.c
new file mode 100644
index 0000000..3890b6b
--- /dev/null
+++ b/lib/win32-kldbg.c
@@ -0,0 +1,796 @@
+/*
+ *      The PCI Library -- PCI config space access using Kernel Local Debugging Driver
+ *
+ *      Copyright (c) 2022 Pali Rohár <pali@kernel.org>
+ *
+ *      Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <windows.h>
+#include <winioctl.h>
+
+#include <stdio.h> /* for sprintf() */
+#include <string.h> /* for memset() and memcpy() */
+
+#include "internal.h"
+#include "i386-io-windows.h"
+
+#ifndef LOAD_LIBRARY_AS_IMAGE_RESOURCE
+#define LOAD_LIBRARY_AS_IMAGE_RESOURCE 0x20
+#endif
+#ifndef LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE
+#define LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE 0x40
+#endif
+
+#ifndef IOCTL_KLDBG
+#define IOCTL_KLDBG CTL_CODE(FILE_DEVICE_UNKNOWN, 0x1, METHOD_NEITHER, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#endif
+
+#ifndef BUS_DATA_TYPE
+#define BUS_DATA_TYPE LONG
+#endif
+#ifndef PCIConfiguration
+#define PCIConfiguration (BUS_DATA_TYPE)4
+#endif
+
+#ifndef SYSDBG_COMMAND
+#define SYSDBG_COMMAND ULONG
+#endif
+#ifndef SysDbgReadBusData
+#define SysDbgReadBusData (SYSDBG_COMMAND)18
+#endif
+#ifndef SysDbgWriteBusData
+#define SysDbgWriteBusData (SYSDBG_COMMAND)19
+#endif
+
+#ifndef SYSDBG_BUS_DATA
+typedef struct _SYSDBG_BUS_DATA {
+  ULONG Address;
+  PVOID Buffer;
+  ULONG Request;
+  BUS_DATA_TYPE BusDataType;
+  ULONG BusNumber;
+  ULONG SlotNumber;
+} SYSDBG_BUS_DATA, *PSYSDBG_BUS_DATA;
+#define SYSDBG_BUS_DATA SYSDBG_BUS_DATA
+#endif
+
+#ifndef PCI_SEGMENT_BUS_NUMBER
+typedef struct _PCI_SEGMENT_BUS_NUMBER {
+  union {
+    struct {
+      ULONG BusNumber:8;
+      ULONG SegmentNumber:16;
+      ULONG Reserved:8;
+    } bits;
+    ULONG AsULONG;
+  } u;
+} PCI_SEGMENT_BUS_NUMBER, *PPCI_SEGMENT_BUS_NUMBER;
+#define PCI_SEGMENT_BUS_NUMBER PCI_SEGMENT_BUS_NUMBER
+#endif
+
+#ifndef PCI_SLOT_NUMBER
+typedef struct _PCI_SLOT_NUMBER {
+  union {
+    struct {
+      ULONG DeviceNumber:5;
+      ULONG FunctionNumber:3;
+      ULONG Reserved:24;
+    } bits;
+    ULONG AsULONG;
+  } u;
+} PCI_SLOT_NUMBER, *PPCI_SLOT_NUMBER;
+#define PCI_SLOT_NUMBER PCI_SLOT_NUMBER
+#endif
+
+#ifndef KLDBG
+typedef struct _KLDBG {
+  SYSDBG_COMMAND Command;
+  PVOID Buffer;
+  DWORD BufferLength;
+} KLDBG, *PKLDBG;
+#define KLDBG KLDBG
+#endif
+
+static BOOL debug_privilege_enabled;
+static LUID luid_debug_privilege;
+static BOOL revert_only_privilege;
+static HANDLE revert_token;
+
+static HANDLE kldbg_dev = INVALID_HANDLE_VALUE;
+
+static BOOL
+win32_kldbg_pci_bus_data(BOOL WriteBusData, USHORT SegmentNumber, BYTE BusNumber, BYTE DeviceNumber, BYTE FunctionNumber, USHORT Address, PVOID Buffer, ULONG BufferSize, LPDWORD Length);
+
+static const char *
+win32_strerror(DWORD win32_error_id)
+{
+  /*
+   * Use static buffer which is large enough.
+   * Hopefully no Win32 API error message string is longer than 4 kB.
+   */
+  static char buffer[4096];
+  DWORD len;
+
+  len = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, win32_error_id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buffer, sizeof(buffer), NULL);
+
+  /* FormatMessage() automatically appends ".\r\n" to the error message. */
+  if (len && buffer[len-1] == '\n')
+    buffer[--len] = '\0';
+  if (len && buffer[len-1] == '\r')
+    buffer[--len] = '\0';
+  if (len && buffer[len-1] == '.')
+    buffer[--len] = '\0';
+
+  if (!len)
+    sprintf(buffer, "Unknown Win32 error %lu", win32_error_id);
+
+  return buffer;
+}
+
+static BOOL
+win32_is_32bit_on_64bit_system(void)
+{
+  BOOL (WINAPI *MyIsWow64Process)(HANDLE, PBOOL);
+  HMODULE kernel32;
+  BOOL is_wow64;
+
+  kernel32 = GetModuleHandle(TEXT("kernel32.dll"));
+  if (!kernel32)
+    return FALSE;
+
+  MyIsWow64Process = (void *)GetProcAddress(kernel32, "IsWow64Process");
+  if (!MyIsWow64Process)
+    return FALSE;
+
+  if (!MyIsWow64Process(GetCurrentProcess(), &is_wow64))
+    return FALSE;
+
+  return is_wow64;
+}
+
+static WORD
+win32_get_current_process_machine(void)
+{
+  IMAGE_DOS_HEADER *dos_header;
+  IMAGE_NT_HEADERS *nt_header;
+
+  dos_header = (IMAGE_DOS_HEADER *)GetModuleHandle(NULL);
+  if (dos_header->e_magic != IMAGE_DOS_SIGNATURE)
+    return IMAGE_FILE_MACHINE_UNKNOWN;
+
+  nt_header = (IMAGE_NT_HEADERS *)((BYTE *)dos_header + dos_header->e_lfanew);
+  if (nt_header->Signature != IMAGE_NT_SIGNATURE)
+    return IMAGE_FILE_MACHINE_UNKNOWN;
+
+  return nt_header->FileHeader.Machine;
+}
+
+static BOOL
+win32_check_driver(BYTE *driver_data)
+{
+  IMAGE_DOS_HEADER *dos_header;
+  IMAGE_NT_HEADERS *nt_headers;
+  WORD current_machine;
+
+  current_machine = win32_get_current_process_machine();
+  if (current_machine == IMAGE_FILE_MACHINE_UNKNOWN)
+    return FALSE;
+
+  dos_header = (IMAGE_DOS_HEADER *)driver_data;
+  if (dos_header->e_magic != IMAGE_DOS_SIGNATURE)
+    return FALSE;
+
+  nt_headers = (IMAGE_NT_HEADERS *)((BYTE *)dos_header + dos_header->e_lfanew);
+  if (nt_headers->Signature != IMAGE_NT_SIGNATURE)
+    return FALSE;
+
+  if (nt_headers->FileHeader.Machine != current_machine)
+    return FALSE;
+
+  if (!(nt_headers->FileHeader.Characteristics & IMAGE_FILE_EXECUTABLE_IMAGE))
+    return FALSE;
+
+#ifndef _WIN64
+  if (!(nt_headers->FileHeader.Characteristics & IMAGE_FILE_32BIT_MACHINE))
+    return FALSE;
+#endif
+
+  /* IMAGE_NT_OPTIONAL_HDR_MAGIC is alias for the header magic used on the target compiler architecture. */
+  if (nt_headers->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR_MAGIC)
+    return FALSE;
+
+  if (nt_headers->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE)
+    return FALSE;
+
+  return TRUE;
+}
+
+static int
+win32_kldbg_unpack_driver(struct pci_access *a, void *driver_path)
+{
+  BOOL use_kd_exe = FALSE;
+  HMODULE exe_with_driver = NULL;
+  HRSRC driver_resource_info = NULL;
+  HGLOBAL driver_resource = NULL;
+  BYTE *driver_data = NULL;
+  DWORD driver_size = 0;
+  HANDLE driver_handle = INVALID_HANDLE_VALUE;
+  DWORD written = 0;
+  DWORD error = 0;
+  int ret = 0;
+
+  /* Try to find and open windbg.exe or kd.exe file in PATH. */
+  exe_with_driver = LoadLibraryEx(TEXT("windbg.exe"), NULL, LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
+  if (!exe_with_driver)
+    {
+      use_kd_exe = TRUE;
+      exe_with_driver = LoadLibraryEx(TEXT("kd.exe"), NULL, LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE | LOAD_LIBRARY_AS_IMAGE_RESOURCE);
+    }
+  if (!exe_with_driver)
+    {
+      error = GetLastError();
+      if (error == ERROR_FILE_NOT_FOUND ||
+          error == ERROR_MOD_NOT_FOUND)
+        a->debug("Cannot find windbg.exe or kd.exe file in PATH");
+      else
+        a->debug("Cannot load %s file: %s.", use_kd_exe ? "kd.exe" : "windbg.exe", win32_strerror(error));
+      goto out;
+    }
+
+  /* kldbgdrv.sys is embedded in windbg.exe/kd.exe as a resource with name id 0x7777 and type id 0x4444. */
+  driver_resource_info = FindResource(exe_with_driver, MAKEINTRESOURCE(0x7777), MAKEINTRESOURCE(0x4444));
+  if (!driver_resource_info)
+    {
+      a->debug("Cannot find kldbgdrv.sys resource in %s file: %s.", use_kd_exe ? "kd.exe" : "windbg.exe", win32_strerror(GetLastError()));
+      goto out;
+    }
+
+  driver_resource = LoadResource(exe_with_driver, driver_resource_info);
+  if (!driver_resource)
+    {
+      a->debug("Cannot load kldbgdrv.sys resource from %s file: %s.", use_kd_exe ? "kd.exe" : "windbg.exe", win32_strerror(GetLastError()));
+      goto out;
+    }
+
+  driver_size = SizeofResource(exe_with_driver, driver_resource_info);
+  if (!driver_size)
+    {
+      a->debug("Cannot determinate size of kldbgdrv.sys resource from %s file: %s.", use_kd_exe ? "kd.exe" : "windbg.exe", win32_strerror(GetLastError()));
+      goto out;
+    }
+
+  driver_data = LockResource(driver_resource);
+  if (!driver_data)
+    {
+      a->debug("Cannot load kldbgdrv.sys resouce data from %s file: %s.", use_kd_exe ? "kd.exe" : "windbg.exe", win32_strerror(GetLastError()));
+      goto out;
+    }
+
+  if (!win32_check_driver(driver_data))
+    {
+      a->debug("Cannot use kldbgdrv.sys driver from %s file: Driver is from different architecture.", use_kd_exe ? "kd.exe" : "windbg.exe");
+      goto out;
+    }
+
+  driver_handle = CreateFile(driver_path, GENERIC_WRITE, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (driver_handle == INVALID_HANDLE_VALUE)
+    {
+      error = GetLastError();
+      if (error != ERROR_FILE_EXISTS)
+        {
+          a->debug("Cannot create kldbgdrv.sys driver file in system32 directory: %s.", win32_strerror(error));
+          goto out;
+        }
+      /* If driver file in system32 directory already exists then treat it as successfull unpack. */
+      ret = 1;
+      goto out;
+    }
+
+  if (!WriteFile(driver_handle, driver_data, driver_size, &written, NULL) ||
+      written != driver_size)
+    {
+      a->debug("Cannot store kldbgdrv.sys driver file to system32 directory: %s.", win32_strerror(GetLastError()));
+      /* On error, delete file from system32 directory to allow another unpack attempt. */
+      CloseHandle(driver_handle);
+      driver_handle = INVALID_HANDLE_VALUE;
+      DeleteFile(driver_path);
+      goto out;
+    }
+
+  a->debug("Driver kldbgdrv.sys was successfully unpacked from %s and stored in system32 directory...", use_kd_exe ? "kd.exe" : "windbg.exe");
+  ret = 1;
+
+out:
+  if (driver_handle != INVALID_HANDLE_VALUE)
+    CloseHandle(driver_handle);
+
+  if (driver_resource)
+    FreeResource(driver_resource);
+
+  if (exe_with_driver)
+    FreeLibrary(exe_with_driver);
+
+  return ret;
+}
+
+static int
+win32_kldbg_register_driver(struct pci_access *a, SC_HANDLE manager, SC_HANDLE *service)
+{
+  UINT (WINAPI *get_system_root_path)(void *buffer, UINT size) = NULL;
+  UINT systemroot_len;
+  void *driver_path;
+  HANDLE driver_handle;
+  HMODULE kernel32;
+
+  /*
+   * COM library dbgeng.dll unpacks kldbg driver to file \\system32\\kldbgdrv.sys
+   * and register this driver with service name kldbgdrv. Implement same behavior.
+   */
+
+  /*
+   * Old Windows versions return path to NT SystemRoot namespace via
+   * GetWindowsDirectory() function. New Windows versions via
+   * GetSystemWindowsDirectory(). GetSystemWindowsDirectory() is not
+   * provided in old Windows versions, so use GetProcAddress() for
+   * compatibility with all Windows versions.
+   */
+
+  kernel32 = GetModuleHandle(TEXT("kernel32.dll"));
+  if (kernel32)
+    get_system_root_path = (void *)GetProcAddress(kernel32, "GetSystemWindowsDirectory"
+#ifdef UNICODE
+      "W"
+#else
+      "A"
+#endif
+    );
+
+  if (!get_system_root_path)
+    get_system_root_path = (void *)&GetWindowsDirectory;
+
+  systemroot_len = get_system_root_path(NULL, 0);
+  if (!systemroot_len)
+    systemroot_len = sizeof(TEXT("C:\\Windows\\"));
+
+  driver_path = pci_malloc(a, systemroot_len + sizeof(TEXT("\\system32\\kldbgdrv.sys")));
+
+  systemroot_len = get_system_root_path(driver_path, systemroot_len + sizeof(TEXT("")));
+  if (!systemroot_len)
+    {
+      systemroot_len = sizeof(TEXT("C:\\Windows\\"));
+      memcpy(driver_path, TEXT("C:\\Windows\\"), systemroot_len);
+    }
+
+  if (((char *)driver_path)[systemroot_len-sizeof(TEXT(""))+1] != '\\')
+    {
+      ((char *)driver_path)[systemroot_len-sizeof(TEXT(""))+1] = '\\';
+      systemroot_len += sizeof(TEXT(""));
+    }
+
+  memcpy((char *)driver_path + systemroot_len, TEXT("system32\\kldbgdrv.sys"), sizeof(TEXT("system32\\kldbgdrv.sys")));
+
+  driver_handle = CreateFile(driver_path, 0, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (driver_handle != INVALID_HANDLE_VALUE)
+    CloseHandle(driver_handle);
+  else if (GetLastError() == ERROR_FILE_NOT_FOUND)
+    {
+      a->debug("Driver kldbgdrv.sys is missing, trying to unpack it from windbg.exe or kd.exe...");
+      if (!win32_kldbg_unpack_driver(a, driver_path))
+        {
+          pci_mfree(driver_path);
+          return 0;
+        }
+    }
+
+  *service = CreateService(manager, TEXT("kldbgdrv"), TEXT("kldbgdrv"), SERVICE_START, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL, driver_path, NULL, NULL, NULL, NULL, NULL);
+  if (!*service)
+    {
+      if (GetLastError() != ERROR_SERVICE_EXISTS)
+        {
+          a->debug("Cannot create kldbgdrv service: %s.", win32_strerror(GetLastError()));
+          pci_mfree(driver_path);
+          return 0;
+        }
+
+      *service = OpenService(manager, TEXT("kldbgdrv"), SERVICE_START);
+      if (!*service)
+        {
+          a->debug("Cannot open kldbgdrv service: %s.", win32_strerror(GetLastError()));
+          pci_mfree(driver_path);
+          return 0;
+        }
+    }
+
+  a->debug("Service kldbgdrv was successfully registered...");
+  pci_mfree(driver_path);
+  return 1;
+}
+
+static int
+win32_kldbg_start_driver(struct pci_access *a)
+{
+  SC_HANDLE manager = NULL;
+  SC_HANDLE service = NULL;
+  DWORD error = 0;
+  int ret = 0;
+
+  manager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE);
+  if (!manager)
+    manager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
+  if (!manager)
+    {
+      a->debug("Cannot open Service Manager: %s.", win32_strerror(GetLastError()));
+      return 0;
+    }
+
+  service = OpenService(manager, TEXT("kldbgdrv"), SERVICE_START);
+  if (!service)
+    {
+      error = GetLastError();
+      if (error != ERROR_SERVICE_DOES_NOT_EXIST)
+        {
+          a->debug("Cannot open kldbgdrv service: %s.", win32_strerror(error));
+          goto out;
+        }
+
+      a->debug("Kernel Local Debugging Driver (kldbgdrv.sys) is not registered, trying to register it...");
+
+      if (win32_is_32bit_on_64bit_system())
+        {
+          /* TODO */
+          a->debug("Registering driver from 32-bit process on 64-bit system is not implemented yet.");
+          goto out;
+        }
+
+      if (!win32_kldbg_register_driver(a, manager, &service))
+        goto out;
+    }
+
+  if (!StartService(service, 0, NULL))
+    {
+      error = GetLastError();
+      if (error != ERROR_SERVICE_ALREADY_RUNNING)
+        {
+          a->debug("Cannot start kldbgdrv service: %s.", win32_strerror(error));
+          goto out;
+        }
+    }
+
+  a->debug("Service kldbgdrv successfully started...");
+  ret = 1;
+
+out:
+  if (service)
+    CloseServiceHandle(service);
+
+  if (manager)
+    CloseServiceHandle(manager);
+
+  return ret;
+}
+
+static int
+win32_kldbg_setup(struct pci_access *a)
+{
+  OSVERSIONINFO version;
+  DWORD ret_len;
+  DWORD error;
+  DWORD id;
+
+  if (kldbg_dev != INVALID_HANDLE_VALUE)
+    return 1;
+
+  /* Check for Windows Vista (NT 6.0). */
+  version.dwOSVersionInfoSize = sizeof(version);
+  if (!GetVersionEx(&version) ||
+      version.dwPlatformId != VER_PLATFORM_WIN32_NT ||
+      version.dwMajorVersion < 6)
+    {
+      a->debug("Accessing PCI config space via Kernel Local Debugging Driver requires Windows Vista or higher version.");
+      return 0;
+    }
+
+  kldbg_dev = CreateFile(TEXT("\\\\.\\kldbgdrv"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (kldbg_dev == INVALID_HANDLE_VALUE)
+    {
+      error = GetLastError();
+      if (error != ERROR_FILE_NOT_FOUND)
+        {
+          a->debug("Cannot open \"\\\\.\\kldbgdrv\" device: %s.", win32_strerror(error));
+          return 0;
+        }
+
+      a->debug("Kernel Local Debugging Driver (kldbgdrv.sys) is not running, trying to start it...");
+
+      if (!win32_kldbg_start_driver(a))
+        return 0;
+
+      kldbg_dev = CreateFile(TEXT("\\\\.\\kldbgdrv"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+      if (kldbg_dev == INVALID_HANDLE_VALUE)
+        {
+          error = GetLastError();
+          a->debug("Cannot open \"\\\\.\\kldbgdrv\" device: %s.", win32_strerror(error));
+          return 0;
+        }
+    }
+
+  /*
+   * Try to read PCI id register from PCI device 0000:00:00.0.
+   * If this device does not exist and kldbg API is working then
+   * kldbg returns success with read value 0xffffffff.
+   */
+  if (win32_kldbg_pci_bus_data(FALSE, 0, 0, 0, 0, 0, &id, sizeof(id), &ret_len) && ret_len == sizeof(id))
+    return 1;
+
+  error = GetLastError();
+
+  a->debug("Cannot read PCI config space via Kernel Local Debugging Driver: %s.", win32_strerror(error));
+
+  if (error != ERROR_ACCESS_DENIED)
+    {
+      CloseHandle(kldbg_dev);
+      kldbg_dev = INVALID_HANDLE_VALUE;
+      return 0;
+    }
+
+  a->debug("..Trying again with Debug privilege...");
+
+  if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luid_debug_privilege))
+    {
+      a->debug("Debug privilege is not supported.");
+      CloseHandle(kldbg_dev);
+      kldbg_dev = INVALID_HANDLE_VALUE;
+      return 0;
+    }
+
+  if (!enable_privilege(luid_debug_privilege, &revert_token, &revert_only_privilege))
+    {
+      a->debug("Process does not have right to enable Debug privilege.");
+      CloseHandle(kldbg_dev);
+      kldbg_dev = INVALID_HANDLE_VALUE;
+      return 0;
+    }
+
+  if (win32_kldbg_pci_bus_data(FALSE, 0, 0, 0, 0, 0, &id, sizeof(id), &ret_len) && ret_len == sizeof(id))
+    {
+      a->debug("Succeeded.");
+      debug_privilege_enabled = TRUE;
+      return 1;
+    }
+
+  error = GetLastError();
+
+  a->debug("Cannot read PCI config space via Kernel Local Debugging Driver: %s.", win32_strerror(error));
+
+  CloseHandle(kldbg_dev);
+  kldbg_dev = INVALID_HANDLE_VALUE;
+
+  revert_privilege(luid_debug_privilege, revert_token, revert_only_privilege);
+  revert_token = NULL;
+  revert_only_privilege = FALSE;
+  return 0;
+}
+
+static int
+win32_kldbg_detect(struct pci_access *a)
+{
+  if (!win32_kldbg_setup(a))
+    return 0;
+
+  return 1;
+}
+
+static void
+win32_kldbg_init(struct pci_access *a)
+{
+  if (!win32_kldbg_setup(a))
+    {
+      a->debug("\n");
+      a->error("PCI config space via Kernel Local Debugging Driver cannot be accessed.");
+    }
+}
+
+static void
+win32_kldbg_cleanup(struct pci_access *a UNUSED)
+{
+  if (kldbg_dev == INVALID_HANDLE_VALUE)
+    return;
+
+  CloseHandle(kldbg_dev);
+  kldbg_dev = INVALID_HANDLE_VALUE;
+
+  if (debug_privilege_enabled)
+    {
+      revert_privilege(luid_debug_privilege, revert_token, revert_only_privilege);
+      revert_token = NULL;
+      revert_only_privilege = FALSE;
+      debug_privilege_enabled = FALSE;
+    }
+}
+
+struct acpi_mcfg {
+  char signature[4];
+  u32 length;
+  u8 revision;
+  u8 checksum;
+  char oem_id[6];
+  char oem_table_id[8];
+  u32 oem_revision;
+  char asl_compiler_id[4];
+  u32 asl_compiler_revision;
+  u64 reserved;
+  struct {
+    u64 address;
+    u16 pci_segment;
+    u8 start_bus_number;
+    u8 end_bus_number;
+    u32 reserved;
+  } allocations[0];
+} PCI_PACKED;
+
+static void
+win32_kldbg_scan(struct pci_access *a)
+{
+  /*
+   * There is no kldbg API to retrieve list of PCI segments. WinDBG pci plugin
+   * kext.dll loads debug symbols from pci.pdb file for kernel module pci.sys.
+   * Then it reads kernel memory which belongs to PciSegmentList local variable
+   * which is the first entry of struct _PCI_SEGMENT linked list. And then it
+   * iterates all entries in linked list and reads SegmentNumber for each entry.
+   *
+   * This is extremly ugly hack and does not work on systems without installed
+   * kernel debug symbol files.
+   *
+   * Do something less ugly. Retrieve ACPI MCFG table via GetSystemFirmwareTable
+   * and parse all PCI segment numbers from it. ACPI MCFG table contains PCIe
+   * ECAM definitions, so all PCI segment numbers.
+   */
+
+  UINT (*WINAPI MyGetSystemFirmwareTable)(DWORD FirmwareTableProviderSignature, DWORD FirmwareTableID, PVOID pFirmwareTableBuffer, DWORD BufferSize);
+  int i, allocations_count;
+  struct acpi_mcfg *mcfg;
+  HMODULE kernel32;
+  byte *segments;
+  DWORD error;
+  DWORD size;
+
+  /* Always scan PCI segment 0. */
+  pci_generic_scan_domain(a, 0);
+
+  kernel32 = GetModuleHandle(TEXT("kernel32.dll"));
+  if (!kernel32)
+    return;
+
+  /* Function GetSystemFirmwareTable() is available since Windows Vista. */
+  MyGetSystemFirmwareTable = (void *)GetProcAddress(kernel32, "GetSystemFirmwareTable");
+  if (!MyGetSystemFirmwareTable)
+    return;
+
+  /* 0x41435049 = 'ACPI', 0x4746434D = 'MCFG' */
+  size = MyGetSystemFirmwareTable(0x41435049, 0x4746434D, NULL, 0);
+  if (size == 0)
+    {
+      error = GetLastError();
+      if (error == ERROR_INVALID_FUNCTION) /* ACPI is not present, so only PCI segment 0 is available. */
+        return;
+      else if (error == ERROR_NOT_FOUND) /* MCFG table is not present, so only PCI segment 0 is available. */
+        return;
+      a->debug("Cannot retrieve ACPI MCFG table: %s.\n", win32_strerror(error));
+      return;
+    }
+
+  mcfg = pci_malloc(a, size);
+
+  if (MyGetSystemFirmwareTable(0x41435049, 0x4746434D, mcfg, size) != size)
+    {
+      error = GetLastError();
+      a->debug("Cannot retrieve ACPI MCFG table: %s.\n", win32_strerror(error));
+      pci_mfree(mcfg);
+      return;
+    }
+
+  if (size < sizeof(*mcfg) || size < mcfg->length)
+    {
+      a->debug("ACPI MCFG table is broken.\n");
+      pci_mfree(mcfg);
+      return;
+    }
+
+  segments = pci_malloc(a, 0xFFFF/8);
+  memset(segments, 0, 0xFFFF/8);
+
+  /* Scan all MCFG allocations and set available PCI segments into bit field. */
+  allocations_count = (mcfg->length - ((unsigned char *)&mcfg->allocations - (unsigned char *)mcfg)) / sizeof(mcfg->allocations[0]);
+  for (i = 0; i < allocations_count; i++)
+    segments[mcfg->allocations[i].pci_segment / 8] |= 1 << (mcfg->allocations[i].pci_segment % 8);
+
+  /* Skip PCI segment 0 which was already scanned. */
+  for (i = 1; i < 0xFFFF; i++)
+    if (segments[i / 8] & (1 << (i % 8)))
+      pci_generic_scan_domain(a, i);
+
+  pci_mfree(segments);
+  pci_mfree(mcfg);
+}
+
+static BOOL
+win32_kldbg_pci_bus_data(BOOL WriteBusData, USHORT SegmentNumber, BYTE BusNumber, BYTE DeviceNumber, BYTE FunctionNumber, USHORT Address, PVOID Buffer, ULONG BufferSize, LPDWORD Length)
+{
+  KLDBG kldbg_cmd;
+  SYSDBG_BUS_DATA sysdbg_cmd;
+  PCI_SLOT_NUMBER pci_slot;
+  PCI_SEGMENT_BUS_NUMBER pci_seg_bus;
+
+  memset(&pci_slot, 0, sizeof(pci_slot));
+  memset(&sysdbg_cmd, 0, sizeof(sysdbg_cmd));
+  memset(&pci_seg_bus, 0, sizeof(pci_seg_bus));
+
+  sysdbg_cmd.Address = Address;
+  sysdbg_cmd.Buffer = Buffer;
+  sysdbg_cmd.Request = BufferSize;
+  sysdbg_cmd.BusDataType = PCIConfiguration;
+  pci_seg_bus.u.bits.BusNumber = BusNumber;
+  pci_seg_bus.u.bits.SegmentNumber = SegmentNumber;
+  sysdbg_cmd.BusNumber = pci_seg_bus.u.AsULONG;
+  pci_slot.u.bits.DeviceNumber = DeviceNumber;
+  pci_slot.u.bits.FunctionNumber = FunctionNumber;
+  sysdbg_cmd.SlotNumber = pci_slot.u.AsULONG;
+
+  kldbg_cmd.Command = WriteBusData ? SysDbgWriteBusData : SysDbgReadBusData;
+  kldbg_cmd.Buffer = &sysdbg_cmd;
+  kldbg_cmd.BufferLength = sizeof(sysdbg_cmd);
+
+  *Length = 0;
+  return DeviceIoControl(kldbg_dev, IOCTL_KLDBG, &kldbg_cmd, sizeof(kldbg_cmd), &sysdbg_cmd, sizeof(sysdbg_cmd), Length, NULL);
+}
+
+static int
+win32_kldbg_read(struct pci_dev *d, int pos, byte *buf, int len)
+{
+  DWORD ret_len;
+
+  if ((unsigned int)d->domain > 0xffff)
+    return 0;
+
+  if (!win32_kldbg_pci_bus_data(FALSE, d->domain, d->bus, d->dev, d->func, pos, buf, len, &ret_len))
+    return 0;
+
+  if (ret_len != (unsigned int)len)
+    return 0;
+
+  return 1;
+}
+
+static int
+win32_kldbg_write(struct pci_dev *d, int pos, byte *buf, int len)
+{
+  DWORD ret_len;
+
+  if ((unsigned int)d->domain > 0xffff)
+    return 0;
+
+  if (!win32_kldbg_pci_bus_data(TRUE, d->domain, d->bus, d->dev, d->func, pos, buf, len, &ret_len))
+    return 0;
+
+  if (ret_len != (unsigned int)len)
+    return 0;
+
+  return 1;
+}
+
+struct pci_methods pm_win32_kldbg = {
+  "win32-kldbg",
+  "Win32 PCI config space access using Kernel Local Debugging Driver",
+  NULL,					/* config */
+  win32_kldbg_detect,
+  win32_kldbg_init,
+  win32_kldbg_cleanup,
+  win32_kldbg_scan,
+  pci_generic_fill_info,
+  win32_kldbg_read,
+  win32_kldbg_write,
+  NULL,					/* read_vpd */
+  NULL,					/* init_dev */
+  NULL					/* cleanup_dev */
+};
diff --git a/lib/dllrsrc.rc.in b/lib/winrsrc.rc.in
index 519772b..e061bff 100644
--- a/lib/dllrsrc.rc.in
+++ b/lib/winrsrc.rc.in
@@ -9,7 +9,11 @@ FILEFLAGS VS_FF_DEBUG
 FILEFLAGS 0
 #endif
 FILEOS VOS_NT_WINDOWS32
+#if @LIBRARY_BUILD@
 FILETYPE VFT_DLL
+#else
+FILETYPE VFT_APP
+#endif
 FILESUBTYPE 0
 BEGIN
 	BLOCK "StringFileInfo"
@@ -20,16 +24,16 @@ BEGIN
 		 */
 		BLOCK "040904B0" /* Default U.S. English language, UNICODE/UTF-16 codepage */
 		BEGIN
-			VALUE "FileDescription", "libpci"
+			VALUE "FileDescription", "@DESCRIPTION@"
 			VALUE "FileVersion", "@PCILIB_VERSION@"
-			VALUE "InternalName", "@PCILIB@"
-			VALUE "OriginalFilename", "@PCILIB@"
+			VALUE "InternalName", "@FILENAME@"
+			VALUE "OriginalFilename", "@FILENAME@"
 			VALUE "ProductName", "pciutils"
 			VALUE "ProductVersion", "@PCILIB_VERSION@"
 		END
 	END
 	BLOCK "VarFileInfo"
 	BEGIN
-		VALUE "Translation", 0x0409, 0x004B0 /* Default U.S. English language, UNICODE/UTF-16 codepage */
+		VALUE "Translation", 0x0409, 0x04B0 /* Default U.S. English language, UNICODE/UTF-16 codepage */
 	END
 END
diff --git a/ls-ecaps.c b/ls-ecaps.c
index b9a4512..df41626 100644
--- a/ls-ecaps.c
+++ b/ls-ecaps.c
@@ -839,6 +839,223 @@ dvsec_cxl_register_locator(struct device *d, int where, int len)
 }
 
 static void
+dvsec_cxl_gpf_device(struct device *d, int where)
+{
+  u32 l;
+  u16 w, duration;
+  u8 time_base, time_scale;
+
+  w = get_conf_word(d, where + PCI_CXL_GPF_DEV_PHASE2_DUR);
+  time_base = BITS(w, 0, 4);
+  time_scale = BITS(w, 8, 4);
+
+  switch (time_scale)
+    {
+      case PCI_CXL_GPF_DEV_100US:
+      case PCI_CXL_GPF_DEV_100MS:
+        duration = time_base * 100;
+        break;
+      case PCI_CXL_GPF_DEV_10US:
+      case PCI_CXL_GPF_DEV_10MS:
+      case PCI_CXL_GPF_DEV_10S:
+        duration = time_base * 10;
+        break;
+      case PCI_CXL_GPF_DEV_1US:
+      case PCI_CXL_GPF_DEV_1MS:
+      case PCI_CXL_GPF_DEV_1S:
+        duration = time_base;
+        break;
+      default:
+        /* Reserved */
+        printf("\t\tReserved time scale encoding %x\n", time_scale);
+        duration = time_base;
+    }
+
+  printf("\t\tGPF Phase 2 Duration: %u%s\n", duration,
+      (time_scale < PCI_CXL_GPF_DEV_1MS) ? "us":
+      (time_scale < PCI_CXL_GPF_DEV_1S) ? "ms" :
+      (time_scale == PCI_CXL_GPF_DEV_1S) ? "s" : "<?>");
+
+  l = get_conf_long(d, where + PCI_CXL_GPF_DEV_PHASE2_POW);
+  printf("\t\tGPF Phase 2 Power: %umW\n", (unsigned int)l);
+}
+
+static void
+dvsec_cxl_gpf_port(struct device *d, int where)
+{
+  u16 w, timeout;
+  u8 time_base, time_scale;
+
+  w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE1_CTRL);
+  time_base = BITS(w, 0, 4);
+  time_scale = BITS(w, 8, 4);
+
+  switch (time_scale)
+    {
+      case PCI_CXL_GPF_PORT_100US:
+      case PCI_CXL_GPF_PORT_100MS:
+        timeout = time_base * 100;
+        break;
+      case PCI_CXL_GPF_PORT_10US:
+      case PCI_CXL_GPF_PORT_10MS:
+      case PCI_CXL_GPF_PORT_10S:
+        timeout = time_base * 10;
+        break;
+      case PCI_CXL_GPF_PORT_1US:
+      case PCI_CXL_GPF_PORT_1MS:
+      case PCI_CXL_GPF_PORT_1S:
+        timeout = time_base;
+        break;
+      default:
+        /* Reserved */
+        printf("\t\tReserved time scale encoding %x\n", time_scale);
+        timeout = time_base;
+    }
+
+  printf("\t\tGPF Phase 1 Timeout: %d%s\n", timeout,
+      (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us":
+      (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" :
+      (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : "<?>");
+
+  w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE2_CTRL);
+  time_base = BITS(w, 0, 4);
+  time_scale = BITS(w, 8, 4);
+
+  switch (time_scale)
+    {
+      case PCI_CXL_GPF_PORT_100US:
+      case PCI_CXL_GPF_PORT_100MS:
+        timeout = time_base * 100;
+        break;
+      case PCI_CXL_GPF_PORT_10US:
+      case PCI_CXL_GPF_PORT_10MS:
+      case PCI_CXL_GPF_PORT_10S:
+        timeout = time_base * 10;
+        break;
+      case PCI_CXL_GPF_PORT_1US:
+      case PCI_CXL_GPF_PORT_1MS:
+      case PCI_CXL_GPF_PORT_1S:
+        timeout = time_base;
+        break;
+      default:
+        /* Reserved */
+        printf("\t\tReserved time scale encoding %x\n", time_scale);
+        timeout = time_base;
+    }
+
+  printf("\t\tGPF Phase 2 Timeout: %d%s\n", timeout,
+      (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us":
+      (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" :
+      (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : "<?>");
+}
+
+static void
+dvsec_cxl_flex_bus(struct device *d, int where, int rev)
+{
+  u16 w;
+  u32 l, data;
+
+  if (rev < 1)
+  {
+    printf("\t\tRevision %d not supported\n", rev);
+    return;
+  }
+
+  w = get_conf_word(d, where + PCI_CXL_FB_PORT_CAP);
+  printf("\t\tFBCap:\tCache%c IO%c Mem%c 68BFlit%c MltLogDev%c",
+      FLAG(w, PCI_CXL_FB_CAP_CACHE), FLAG(w, PCI_CXL_FB_CAP_IO),
+      FLAG(w, PCI_CXL_FB_CAP_MEM), FLAG(w, PCI_CXL_FB_CAP_68B_FLIT),
+      FLAG(w, PCI_CXL_FB_CAP_MULT_LOG_DEV));
+
+  if (rev > 1)
+    printf(" 256BFlit%c PBRFlit%c",
+        FLAG(w, PCI_CXL_FB_CAP_256B_FLIT), FLAG(w, PCI_CXL_FB_CAP_PBR_FLIT));
+
+  w = get_conf_word(d, where + PCI_CXL_FB_PORT_CTRL);
+  printf("\n\t\tFBCtl:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c RCD%c Retimer1%c Retimer2%c",
+      FLAG(w, PCI_CXL_FB_CTRL_CACHE), FLAG(w, PCI_CXL_FB_CTRL_IO),
+      FLAG(w, PCI_CXL_FB_CTRL_MEM), FLAG(w, PCI_CXL_FB_CTRL_SYNC_HDR_BYP),
+      FLAG(w, PCI_CXL_FB_CTRL_DRFT_BUF), FLAG(w, PCI_CXL_FB_CTRL_68B_FLIT),
+      FLAG(w, PCI_CXL_FB_CTRL_MULT_LOG_DEV), FLAG(w, PCI_CXL_FB_CTRL_RCD),
+      FLAG(w, PCI_CXL_FB_CTRL_RETIMER1), FLAG(w, PCI_CXL_FB_CTRL_RETIMER2));
+
+  if (rev > 1)
+    printf(" 256BFlit%c PBRFlit%c",
+        FLAG(w, PCI_CXL_FB_CTRL_256B_FLIT), FLAG(w, PCI_CXL_FB_CTRL_PBR_FLIT));
+
+  w = get_conf_word(d, where + PCI_CXL_FB_PORT_STATUS);
+  printf("\n\t\tFBSta:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c",
+      FLAG(w, PCI_CXL_FB_STAT_CACHE), FLAG(w, PCI_CXL_FB_STAT_IO),
+      FLAG(w, PCI_CXL_FB_STAT_MEM), FLAG(w, PCI_CXL_FB_STAT_SYNC_HDR_BYP),
+      FLAG(w, PCI_CXL_FB_STAT_DRFT_BUF), FLAG(w, PCI_CXL_FB_STAT_68B_FLIT),
+      FLAG(w, PCI_CXL_FB_STAT_MULT_LOG_DEV));
+
+  if (rev > 1)
+    printf(" 256BFlit%c PBRFlit%c",
+        FLAG(w, PCI_CXL_FB_STAT_256B_FLIT), FLAG(w, PCI_CXL_FB_STAT_PBR_FLIT));
+
+  l = get_conf_long(d, where + PCI_CXL_FB_MOD_TS_DATA);
+  data = BITS(l, 0, 24);
+  printf("\n\t\tFBModTS:\tReceived FB Data: %06x\n", (unsigned int)data);
+
+  if (rev > 1)
+  {
+    u8 nop;
+
+    l = get_conf_long(d, where + PCI_CXL_FB_PORT_CAP2);
+    printf("\t\tFBCap2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CAP2_NOP_HINT));
+
+    l = get_conf_long(d, where + PCI_CXL_FB_PORT_CTRL2);
+    printf("\t\tFBCtl2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CTRL2_NOP_HINT));
+
+    l = get_conf_long(d, where + PCI_CXL_FB_PORT_STATUS2);
+    nop = BITS(l, 0, 2);
+    printf("\t\tFBSta2:\tNOPHintInfo: %x\n", nop);
+    }
+}
+
+static void
+dvsec_cxl_mld(struct device *d, int where)
+{
+  u16 w;
+
+  w = get_conf_word(d, where + PCI_CXL_MLD_NUM_LD);
+
+  /* Encodings greater than 16 are reserved */
+  if (w && w <= PCI_CXL_MLD_MAX_LD)
+    printf("\t\tNumLogDevs: %d\n", w);
+}
+
+static void
+dvsec_cxl_function_map(struct device *d, int where)
+{
+
+  printf("\t\tFuncMap 0: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_0)));
+
+  printf("\t\tFuncMap 1: %08x\n",
+    (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_1)));
+
+  printf("\t\tFuncMap 2: %08x\n",
+    (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_2)));
+
+  printf("\t\tFuncMap 3: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_3)));
+
+  printf("\t\tFuncMap 4: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_4)));
+
+  printf("\t\tFuncMap 5: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_5)));
+
+  printf("\t\tFuncMap 6: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_6)));
+
+  printf("\t\tFuncMap 7: %08x\n",
+      (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_7)));
+}
+
+static void
 cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len)
 {
   printf(": CXL\n");
@@ -854,25 +1071,25 @@ cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len)
       dvsec_cxl_device(d, rev, where, len);
       break;
     case 2:
-      printf("\t\tNon-CXL Function Map DVSEC\n");
+      dvsec_cxl_function_map(d, where);
       break;
     case 3:
       dvsec_cxl_port(d, where, len);
       break;
     case 4:
-      printf("\t\tGPF DVSEC for Port\n");
+      dvsec_cxl_gpf_port(d, where);
       break;
     case 5:
-      printf("\t\tGPF DVSEC for Device\n");
+      dvsec_cxl_gpf_device(d, where);
       break;
     case 7:
-      printf("\t\tPCIe DVSEC Flex Bus Port\n");
+      dvsec_cxl_flex_bus(d, where, rev);
       break;
     case 8:
       dvsec_cxl_register_locator(d, where, len);
       break;
     case 9:
-      printf("\t\tMLD DVSEC\n");
+      dvsec_cxl_mld(d, where);
       break;
     default:
       printf("\t\tUnknown ID %04x\n", id);
diff --git a/pcilib.man b/pcilib.man
index ae6af9f..7015294 100644
--- a/pcilib.man
+++ b/pcilib.man
@@ -90,6 +90,31 @@ systems. Process needs to have Debug privilege, which local Administrators
 have by default. Not available on 64-bit systems and neither on recent 32-bit
 systems. Only devices from the first domain are accessible and only first
 256 bytes of the PCI configuration space is accessible via this method.
+.TP
+.B win32-kldbg
+Access to the PCI configuration space via Kernel Local Debugging Driver
+kldbgdrv.sys. This driver is not part of the Windows system but is part of
+the Microsoft WinDbg tool. It is required to have kldbgdrv.sys driver installed
+in the system32 directory or to have windbg.exe or kd.exe binary in PATH.
+kldbgdrv.sys driver has some restrictions. Process needs to have Debug privilege
+and Windows system has to be booted with Debugging option. Debugging option can
+be enabled by calling (takes effect after next boot):
+.B bcdedit /debug on
+.IP
+Download links for WinDbg 6.12.2.633 standalone installer from Microsoft Windows
+SDK for Windows 7 and .NET Framework 4:
+.br
+amd64: https://download.microsoft.com/download/A/6/A/A6AC035D-DA3F-4F0C-ADA4-37C8E5D34E3D/setup/WinSDKDebuggingTools_amd64/dbg_amd64.msi
+.br
+ia64: https://download.microsoft.com/download/A/6/A/A6AC035D-DA3F-4F0C-ADA4-37C8E5D34E3D/setup/WinSDKDebuggingTools_ia64/dbg_ia64.msi
+.br
+x86: https://download.microsoft.com/download/A/6/A/A6AC035D-DA3F-4F0C-ADA4-37C8E5D34E3D/setup/WinSDKDebuggingTools/dbg_x86.msi
+.IP
+Archived download links of previous WinDbg versions:
+.br
+https://web.archive.org/web/20110221133326/https://www.microsoft.com/whdc/devtools/debugging/installx86.mspx
+.br
+https://web.archive.org/web/20110214012715/https://www.microsoft.com/whdc/devtools/debugging/install64bit.mspx
 
 .SH PARAMETERS
 
diff --git a/tests/cap-dvsec-cxl b/tests/cap-dvsec-cxl
index a24e3fb..c5fa9e7 100644
--- a/tests/cap-dvsec-cxl
+++ b/tests/cap-dvsec-cxl
@@ -351,3 +351,261 @@ fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+
+7f:00.0 CXL: Xilinx Corporation Device c084 (rev 70) (prog-if 10 [CXL Memory Device (CXL 2.x)])
+00: ee 10 84 c0 02 00 10 00 70 10 02 05 10 00 00 00
+10: 0c 00 00 b0 80 03 00 00 0c 00 10 b0 80 03 00 00
+20: 00 00 00 00 00 00 00 00 00 00 00 00 ee 10 84 c0
+30: 00 00 00 00 80 00 00 00 00 00 00 00 05 01 00 00
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