From: VMware, Inc <>
Date: Tue, 24 Aug 2010 18:37:05 +0000 (-0700)
Subject: Changes in shared code that don't affect open-vm-tools functionality.
X-Git-Tag: 2010.08.24-292196~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=78d7278d69d3adbc34ea914b06933bb2bebfb816;p=thirdparty%2Fopen-vm-tools.git

Changes in shared code that don't affect open-vm-tools functionality.

Signed-off-by: Marcelo Vanzin <mvanzin@vmware.com>
---

diff --git a/open-vm-tools/lib/include/backdoor_def.h b/open-vm-tools/lib/include/backdoor_def.h
index 44d316829..95b0d84d3 100644
--- a/open-vm-tools/lib/include/backdoor_def.h
+++ b/open-vm-tools/lib/include/backdoor_def.h
@@ -143,7 +143,9 @@
 #  define BDOOR_CMD_FAS_GET_PLATFORM_NAME 2
 #define BDOOR_CMD_SENDPSHAREHINTS       66
 #define BDOOR_CMD_ENABLE_USB_MOUSE      67
-#define BDOOR_CMD_MAX                   68
+#define BDOOR_CMD_GET_VCPU_INFO         68
+#  define BDOOR_CMD_VCPU_SLC64            0
+#define BDOOR_CMD_MAX                   69
 
 
 /* 
diff --git a/open-vm-tools/lib/include/hostinfo.h b/open-vm-tools/lib/include/hostinfo.h
index f3b445e66..e2b65cdfd 100644
--- a/open-vm-tools/lib/include/hostinfo.h
+++ b/open-vm-tools/lib/include/hostinfo.h
@@ -70,6 +70,7 @@ extern Bool Hostinfo_OSIsWow64(void);
 DWORD Hostinfo_OpenProcessBits(void);
 #endif
 extern Bool Hostinfo_NestingSupported(void);
+extern Bool Hostinfo_SLC64Supported(void);
 extern Bool Hostinfo_TouchBackDoor(void);
 extern Bool Hostinfo_TouchVirtualPC(void);
 extern Bool Hostinfo_TouchXen(void);
diff --git a/open-vm-tools/lib/include/x86cpuid.h b/open-vm-tools/lib/include/x86cpuid.h
index 423efc9d8..c8d10ed60 100644
--- a/open-vm-tools/lib/include/x86cpuid.h
+++ b/open-vm-tools/lib/include/x86cpuid.h
@@ -170,10 +170,12 @@ typedef enum {
 #define CPUID_AMD_VENDOR_STRING         "AuthcAMDenti"
 #define CPUID_CYRIX_VENDOR_STRING       "CyriteadxIns"
 #define CPUID_VIA_VENDOR_STRING         "CentaulsaurH"
+
 #define CPUID_HYPERV_HYPERVISOR_VENDOR_STRING  "Microsoft Hv"
 #define CPUID_KVM_HYPERVISOR_VENDOR_STRING     "KVMKVMKVM\0\0\0"
 #define CPUID_VMWARE_HYPERVISOR_VENDOR_STRING  "VMwareVMware"
 #define CPUID_XEN_HYPERVISOR_VENDOR_STRING     "XenVMMXenVMM"
+
 #define CPUID_INTEL_VENDOR_STRING_FIXED "GenuineIntel"
 #define CPUID_AMD_VENDOR_STRING_FIXED   "AuthenticAMD"
 #define CPUID_CYRIX_VENDOR_STRING_FIXED "CyrixInstead"
diff --git a/open-vm-tools/lib/misc/hostinfoPosix.c b/open-vm-tools/lib/misc/hostinfoPosix.c
index 0b05399ea..0936d1d96 100644
--- a/open-vm-tools/lib/misc/hostinfoPosix.c
+++ b/open-vm-tools/lib/misc/hostinfoPosix.c
@@ -1930,6 +1930,44 @@ Hostinfo_NestingSupported(void)
 }
 
 
+/*
+ *----------------------------------------------------------------------
+ *
+ *  Hostinfo_SLC64Supported --
+ *
+ *      Access the backdoor with an SLC64 control query. This is used
+ *      to determine if we are running inside a VM that supports SLC64.
+ *      This function should only be called after determining that the
+ *	backdoor is present with Hostinfo_TouchBackdoor().
+ *
+ * Results:
+ *      TRUE if the outer VM supports SLC64.
+ *	FALSE otherwise.
+ *
+ * Side effects:
+ *	Exception if not in a VM, so don't do that!
+ *
+ *----------------------------------------------------------------------
+ */
+
+Bool
+Hostinfo_SLC64Supported(void)
+{
+#if defined(__i386__) || defined(__x86_64__)
+   uint32 result;
+   __asm__ __volatile__(
+      "inl %%dx, %%eax"
+      : "=a" (result)
+      :	"0"  (BDOOR_MAGIC),
+        "c"  (BDOOR_CMD_GET_VCPU_INFO),
+        "d"  (BDOOR_PORT)
+   );
+   return (result & (1 << BDOOR_CMD_VCPU_SLC64)) != 0;
+#endif
+   return FALSE;
+}
+
+
 /*
  *----------------------------------------------------------------------
  *