From: Jack Lange <jacklange@cs.pitt.edu>
Date: Fri, 27 Jul 2012 19:07:08 +0000 (-0400)
Subject: added vmware paravirtual extension
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=8bf8dfd501c677d4754f79fd01dd2cb5f37b898a;p=palacios.git

added vmware paravirtual extension
---

diff --git a/palacios/src/extensions/Kconfig b/palacios/src/extensions/Kconfig
index 98f35d8..6b497b9 100644
--- a/palacios/src/extensions/Kconfig
+++ b/palacios/src/extensions/Kconfig
@@ -25,4 +25,10 @@ config EXT_INSPECTOR
 	help
 	  Provides the inspection extension
 
+config EXT_VMWARE
+	bool "VMWare Persona"
+	default n
+	help
+	  Provides a VMWare persona to allow TSC calibration
+
 endmenu
diff --git a/palacios/src/extensions/Makefile b/palacios/src/extensions/Makefile
index abf382a..24d68c3 100644
--- a/palacios/src/extensions/Makefile
+++ b/palacios/src/extensions/Makefile
@@ -4,4 +4,4 @@ obj-$(V3_CONFIG_EXT_VTSC) += ext_vtsc.o
 obj-$(V3_CONFIG_EXT_VTIME) += ext_vtime.o
 obj-$(V3_CONFIG_EXT_INSPECTOR) += ext_inspector.o
 obj-$(V3_CONFIG_EXT_MACH_CHECK) += ext_mcheck.o
-
+obj-$(V3_CONFIG_EXT_VMWARE) += ext_vmware.o
diff --git a/palacios/src/extensions/ext_vmware.c b/palacios/src/extensions/ext_vmware.c
new file mode 100644
index 0000000..9026db9
--- /dev/null
+++ b/palacios/src/extensions/ext_vmware.c
@@ -0,0 +1,133 @@
+
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2012, Jack Lange <jarusl@cs.pitt.edu> 
+ * Copyright (c) 2012, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.pitt.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#include <palacios/vmm.h>
+#include <palacios/vmm_extensions.h>
+#include <palacios/vmm_io.h>
+#include <palacios/vmm_cpuid.h>
+#include <palacios/vm_guest.h>
+
+
+#define VMWARE_CPUID_LEAF 0x40000000
+#define VMWARE_MAGIC 0x564D5868
+#define VMWARE_IO_PORT  0x5658
+
+#define VMWARE_IO_VERSION 10
+#define VMWARE_IO_GETHZ 45
+
+
+static int io_read(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data) {
+    uint64_t cpu_hz = V3_CPU_KHZ() * 1000;
+    uint32_t magic = (uint32_t)(core->vm_regs.rax);
+    uint32_t cmd = (uint32_t)(core->vm_regs.rcx);
+
+    PrintError("VMWARE IO READ of size %d (command=%d)\n", length, cmd);
+
+    
+    if (magic != VMWARE_MAGIC) {
+	PrintError("Invalid VMWARE MAgic number in Persona interface, ignoring for now\n");
+	return length;
+    }
+    
+    if (cmd == VMWARE_IO_GETHZ) {
+	// EAX Takes low bytes
+	// EBX takes high bytes
+	core->vm_regs.rax = cpu_hz & 0x00000000ffffffffLL;
+	core->vm_regs.rbx = (cpu_hz >> 32) & 0x00000000ffffffffLL;
+    } else {
+	PrintError("Unhandled VMWARE IO operation\n");
+	return -1;
+    }
+
+    return length;
+}
+
+
+static int io_write(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data) {
+
+    PrintError("VMWARE IO PORT WRITE\n");
+    return -1;
+}
+
+
+static int vmware_cpuid_handler(struct guest_info * core, uint32_t cpuid, 
+				uint32_t * eax, uint32_t * ebx, 
+				uint32_t * ecx, uint32_t * edx, 
+				void * priv_data) {
+
+    // Don't Care (?)
+    *eax = 0;
+
+    // Set VMWARE Vendor string in EBX,ECX,EDX
+    memcpy(ebx, "VMwa", 4);
+    memcpy(ecx, "reVM", 4);
+    memcpy(edx, "ware", 4);
+    
+    return 0;
+}
+
+
+
+static int vmware_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg, void ** priv_data) {
+
+    V3_Print("Using VMWARE virtualization persona\n");
+
+    v3_cpuid_add_fields(vm, 0x00000001, 
+			0, 0, 
+			0, 0, 
+			0x80000000, 0x80000000,
+			0, 0
+			);
+
+
+    v3_hook_io_port(vm, VMWARE_IO_PORT, 
+		    io_read, io_write, 
+		    NULL);
+
+    v3_hook_cpuid(vm, VMWARE_CPUID_LEAF, 
+		  vmware_cpuid_handler, NULL);
+			 
+
+    // hook io port 
+    // set CPUID hypervisor enabled
+    // set VMWare CPUID 
+
+    
+    return 0;
+
+
+}
+
+
+
+
+static struct v3_extension_impl vmware_impl = {
+    .name = "VMWARE_IFACE",
+    .init = vmware_init,
+    .deinit = NULL,
+    .core_init = NULL,
+    .core_deinit = NULL,
+    .on_entry = NULL,
+    .on_exit = NULL
+};
+
+
+
+register_extension(&vmware_impl);