This is VMware documented functionallity that some guests rely on.
Returns the BIOS UUID of the current virtual machine.
Reviewed-by: Nikita Leshenko <nikita.leshche...@oracle.com>
Signed-off-by: Liran Alon <liran.a...@oracle.com>
---
hw/i386/vmport.c | 14 ++++++++++++++
include/hw/i386/pc.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
index 2ae5afc42b50..7687f3368a55 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -26,6 +26,7 @@
#include "hw/i386/pc.h"
#include "hw/input/i8042.h"
#include "hw/qdev-properties.h"
+#include "sysemu/sysemu.h"
#include "sysemu/hw_accel.h"
#include "qemu/log.h"
#include "trace.h"
@@ -121,6 +122,18 @@ static uint32_t vmport_cmd_get_version(void *opaque,
uint32_t addr)
return port_state->vmx_version;
}
+static uint32_t vmport_cmd_get_bios_uuid(void *opaque, uint32_t addr)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+ uint32_t *uuid_parts = (uint32_t*)(qemu_uuid.data);
+
+ cpu->env.regs[R_EAX] = uuid_parts[0];
+ cpu->env.regs[R_EBX] = uuid_parts[1];
+ cpu->env.regs[R_ECX] = uuid_parts[2];
+ cpu->env.regs[R_EDX] = uuid_parts[3];
+ return cpu->env.regs[R_EAX];
+}
+
static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
{
X86CPU *cpu = X86_CPU(current_cpu);
@@ -171,6 +184,7 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
port_state = s;
/* Register some generic port commands */
vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);
+ vmport_register(VMPORT_CMD_GETBIOSUUID, vmport_cmd_get_bios_uuid, NULL);
vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL);
}
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 7f15a01137b1..ea87eb93511e 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -140,6 +140,7 @@ typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t
address);
typedef enum {
VMPORT_CMD_GETVERSION = 10,
+ VMPORT_CMD_GETBIOSUUID = 19,
VMPORT_CMD_GETRAMSIZE = 20,
VMPORT_CMD_VMMOUSE_DATA = 39,
VMPORT_CMD_VMMOUSE_STATUS = 40,
--
2.20.1
