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hw/i386/vmport: Report vmware-vmx-type in CMD_GETVERSION 

As can be seen from VmCheck_GetVersion() in open-vm-tools code,
CMD_GETVERSION should return vmware-vmx-type in ECX register.

Default is to fake host as VMware ESX server. But user can control
this value by "-global vmport.vmware-vmx-type=X".

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-7-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Liran Alon 2020-03-12 18:54:21 +02:00 committed by Paolo Bonzini
parent 2fd2f799f8
commit f8bdc55037
2 changed files with 28 additions and 0 deletions
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1
hw/core/machine.c
View File

@ -45,6 +45,7 @@ GlobalProperty hw_compat_4_2[] = {
{ "fw_cfg", "acpi-mr-restore", "false" },
{ "vmport", "x-read-set-eax", "off" },
{ "vmport", "x-signal-unsupported-cmd", "off" },
{ "vmport", "x-report-vmx-type", "off" },
};
const size_t hw_compat_4_2_len = G_N_ELEMENTS(hw_compat_4_2);

27
hw/i386/vmport.c
View File

@ -46,10 +46,13 @@
/* Compatibility flags for migration */
#define VMPORT_COMPAT_READ_SET_EAX_BIT 0
#define VMPORT_COMPAT_SIGNAL_UNSUPPORTED_CMD_BIT 1
#define VMPORT_COMPAT_REPORT_VMX_TYPE_BIT 2
#define VMPORT_COMPAT_READ_SET_EAX \
(1 << VMPORT_COMPAT_READ_SET_EAX_BIT)
#define VMPORT_COMPAT_SIGNAL_UNSUPPORTED_CMD \
(1 << VMPORT_COMPAT_SIGNAL_UNSUPPORTED_CMD_BIT)
#define VMPORT_COMPAT_REPORT_VMX_TYPE \
(1 << VMPORT_COMPAT_REPORT_VMX_TYPE_BIT)
#define VMPORT(obj) OBJECT_CHECK(VMPortState, (obj), TYPE_VMPORT)
@ -61,6 +64,7 @@ typedef struct VMPortState {
void *opaque[VMPORT_ENTRIES];
uint32_t vmware_vmx_version;
uint8_t vmware_vmx_type;
uint32_t compat_flags;
} VMPortState;
@ -140,6 +144,9 @@ static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
X86CPU *cpu = X86_CPU(current_cpu);
cpu->env.regs[R_EBX] = VMPORT_MAGIC;
if (port_state->compat_flags & VMPORT_COMPAT_REPORT_VMX_TYPE) {
cpu->env.regs[R_ECX] = port_state->vmware_vmx_type;
}
return port_state->vmware_vmx_version;
}
@ -181,10 +188,30 @@ static Property vmport_properties[] = {
VMPORT_COMPAT_READ_SET_EAX_BIT, true),
DEFINE_PROP_BIT("x-signal-unsupported-cmd", VMPortState, compat_flags,
VMPORT_COMPAT_SIGNAL_UNSUPPORTED_CMD_BIT, true),
DEFINE_PROP_BIT("x-report-vmx-type", VMPortState, compat_flags,
VMPORT_COMPAT_REPORT_VMX_TYPE_BIT, true),
/* Default value taken from open-vm-tools code VERSION_MAGIC definition */
DEFINE_PROP_UINT32("vmware-vmx-version", VMPortState,
vmware_vmx_version, 6),
/*
* Value determines which VMware product type host report itself to guest.
*
* Most guests are fine with exposing host as VMware ESX server.
* Some legacy/proprietary guests hard-code a given type.
*
* For a complete list of values, refer to enum VMXType at open-vm-tools
* project (Defined at lib/include/vm_vmx_type.h).
*
* Reasonable options:
* 0 - Unset
* 1 - VMware Express (deprecated)
* 2 - VMware ESX Server
* 3 - VMware Server (Deprecated)
* 4 - VMware Workstation
* 5 - ACE 1.x (Deprecated)
*/
DEFINE_PROP_UINT8("vmware-vmx-type", VMPortState, vmware_vmx_type, 2),
DEFINE_PROP_END_OF_LIST(),
};