lspci: Add support for CXL MLD DVSEC

[pciutils.git] / lib / init.c

diff --git a/lib/init.c b/lib/init.c
index 47cdd6f1c9b9d255c316ab0aa005428410bebaf4..de7d6f24a9e065c2e378e935a8c180ccbad9755b 100644 (file)
--- a/lib/init.c
+++ b/lib/init.c
@@ -13,6 +13,10 @@
 
 #include "internal.h"
 
+#ifdef PCI_OS_WINDOWS
+#include <windows.h>
+#endif
+
 static struct pci_methods *pci_methods[PCI_ACCESS_MAX] = {
   NULL,
 #ifdef PCI_HAVE_PM_LINUX_SYSFS
@@ -72,6 +76,16 @@ static struct pci_methods *pci_methods[PCI_ACCESS_MAX] = {
 #else
   NULL,
 #endif
+#ifdef PCI_HAVE_PM_WIN32_CFGMGR32
+  &pm_win32_cfgmgr32,
+#else
+  NULL,
+#endif
+#ifdef PCI_HAVE_PM_WIN32_SYSDBG
+  &pm_win32_sysdbg,
+#else
+  NULL,
+#endif
 };
 
 // If PCI_ACCESS_AUTO is selected, we probe the access methods in this order
@@ -86,13 +100,15 @@ static int probe_sequence[] = {
   PCI_ACCESS_DARWIN,
   PCI_ACCESS_SYLIXOS_DEVICE,
   PCI_ACCESS_HURD,
+  PCI_ACCESS_WIN32_CFGMGR32,
+  PCI_ACCESS_WIN32_SYSDBG,
   // Low-level methods poking the hardware directly
   PCI_ACCESS_I386_TYPE1,
   PCI_ACCESS_I386_TYPE2,
   -1,
 };
 
-static void
+static void PCI_NONRET
 pci_generic_error(char *msg, ...)
 {
   va_list args;
@@ -182,6 +198,44 @@ pci_get_method_name(int index)
     return pci_methods[index]->name;
 }
 
+#ifdef PCI_OS_WINDOWS
+
+static void
+pci_init_name_list_path(struct pci_access *a)
+{
+  if ((PCI_PATH_IDS_DIR)[0])
+    pci_set_name_list_path(a, PCI_PATH_IDS_DIR "\\" PCI_IDS, 0);
+  else
+    {
+      char *path, *sep;
+      DWORD len;
+
+      path = pci_malloc(a, MAX_PATH+1);
+      len = GetModuleFileNameA(NULL, path, MAX_PATH+1);
+      sep = (len > 0) ? strrchr(path, '\\') : NULL;
+      if (len == 0 || len == MAX_PATH+1 || !sep || MAX_PATH-(size_t)(sep+1-path) < sizeof(PCI_IDS))
+        {
+          free(path);
+          pci_set_name_list_path(a, PCI_IDS, 0);
+        }
+      else
+        {
+          memcpy(sep+1, PCI_IDS, sizeof(PCI_IDS));
+          pci_set_name_list_path(a, path, 1);
+        }
+    }
+}
+
+#else
+
+static void
+pci_init_name_list_path(struct pci_access *a)
+{
+  pci_set_name_list_path(a, PCI_PATH_IDS_DIR "/" PCI_IDS, 0);
+}
+
+#endif
+
 struct pci_access *
 pci_alloc(void)
 {
@@ -189,7 +243,7 @@ pci_alloc(void)
   int i;
 
   memset(a, 0, sizeof(*a));
-  pci_set_name_list_path(a, PCI_PATH_IDS_DIR "/" PCI_IDS, 0);
+  pci_init_name_list_path(a);
 #ifdef PCI_USE_DNS
   pci_define_param(a, "net.domain", PCI_ID_DOMAIN, "DNS domain used for resolving of ID's");
   pci_define_param(a, "net.cache_name", "~/.pciids-cache", "Name of the ID cache file");