From: Oliver Kurth <okurth@vmware.com>
Date: Fri, 15 Sep 2017 18:23:22 +0000 (-0700)
Subject: Change to shared header file unrelated to open-vm-tools.
X-Git-Tag: stable-10.2.0~366
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=124f09fedf4ea14b1c9817ddd3a72823c79eea50;p=thirdparty%2Fopen-vm-tools.git

Change to shared header file unrelated to open-vm-tools.
---

diff --git a/open-vm-tools/lib/include/backdoor_def.h b/open-vm-tools/lib/include/backdoor_def.h
index deab2b944..afa97dff6 100644
--- a/open-vm-tools/lib/include/backdoor_def.h
+++ b/open-vm-tools/lib/include/backdoor_def.h
@@ -218,7 +218,8 @@ extern "C" {
 #define   BDOOR_CMD_STEALCLOCK               91 /* CPL 0 only. */
 #  define BDOOR_STEALCLOCK_STATUS_DISABLED    0
 #  define BDOOR_STEALCLOCK_STATUS_ENABLED     1
-#define   BDOOR_CMD_MAX                      92
+#define   BDOOR_CMD_GUEST_PAGE_HINTS         92 /* CPL 0 only  */
+#define   BDOOR_CMD_MAX                      93
 
 
 /*
@@ -272,6 +273,32 @@ extern "C" {
 /* Sub commands for BDOOR_CMD_VMK_INFO */
 #define BDOOR_CMD_VMK_INFO_ENTRY   1
 
+/*
+ * Current format for the guest page hints is:
+ *
+ * Arg0: BDOOR_MAGIC, Arg3: BDOOR_PORT
+ *
+ * Arg1: (rbx on x86)
+ *
+ *  0         64
+ *  |   PPN   |
+ *
+ * Arg2: (rcx on x86)
+ *
+ *  0         16        32         64
+ *  | Command |  Type   | Reserved |
+ *
+ * Arg4: (rsi on x86)
+ *
+ *  0          16         64
+ *  | numPages | Reserved |
+ *
+ */
+#define BDOOR_GUEST_PAGE_HINTS_NOT_SUPPORTED ((unsigned)-1)
+#define BDOOR_GUEST_PAGE_HINTS_MAX_PAGES     (0xffff)
+#define BDOOR_GUEST_PAGE_HINTS_TYPE_PSHARE   (0)
+#define BDOOR_GUEST_PAGE_HINTS_TYPE(reg)     (((reg) >> 16) & 0xffff)
+
 #ifdef VMM
 /*
  *----------------------------------------------------------------------