__checkReturn
XEN_API
NTSTATUS
HvmGetParam(
IN ULONG Parameter,
OUT PULONG_PTR Value
)
{
struct xen_hvm_param op;
LONG_PTR rc;
NTSTATUS status;
op.domid = DOMID_SELF;
op.index = Parameter;
op.value = 0xFEEDFACE;
rc = HvmOp(HVMOP_get_param, &op);
if (rc < 0) {
ERRNO_TO_STATUS(-rc, status);
goto fail1;
}
ASSERT(op.value != 0xFEEDFACE);
*Value = (ULONG_PTR)op.value;
return STATUS_SUCCESS;
fail1:
Error("fail1 (%08x)\n", status);
return status;
}
__checkReturn
XEN_API
NTSTATUS
SchedShutdown(
ULONG Reason
)
{
struct sched_shutdown op;
LONG_PTR rc;
NTSTATUS status;
op.reason = Reason;
rc = SchedOp(SCHEDOP_shutdown, &op);
if (rc < 0) {
ERRNO_TO_STATUS(-rc, status);
goto fail1;
}
return STATUS_SUCCESS;
fail1:
Error("fail1 (%08x)\n", status);
return status;
}
__checkReturn
XEN_API
NTSTATUS
HvmSetParam(
IN ULONG Parameter,
IN ULONG_PTR Value
)
{
struct xen_hvm_param op;
LONG_PTR rc;
NTSTATUS status;
op.domid = DOMID_SELF;
op.index = Parameter;
op.value = Value;
rc = HvmOp(HVMOP_set_param, &op);
if (rc < 0) {
ERRNO_TO_STATUS(-rc, status);
goto fail1;
}
return STATUS_SUCCESS;
fail1:
Error("fail1 (%08x)\n", status);
return status;
}
__checkReturn
XEN_API
NTSTATUS
HvmPagetableDying(
IN PHYSICAL_ADDRESS Address
)
{
struct xen_hvm_pagetable_dying op;
LONG_PTR rc;
NTSTATUS status;
op.domid = DOMID_SELF;
op.gpa = Address.QuadPart;
rc = HvmOp(HVMOP_pagetable_dying, &op);
if (rc < 0) {
ERRNO_TO_STATUS(-rc, status);
goto fail1;
}
return STATUS_SUCCESS;
fail1:
return status;
}
__checkReturn
XEN_API
NTSTATUS
HvmGetTime(
OUT PLARGE_INTEGER Now
)
{
struct xen_hvm_get_time op;
LONG_PTR rc;
NTSTATUS status;
rc = HvmOp(HVMOP_get_time, &op);
if (rc < 0) {
ERRNO_TO_STATUS(-rc, status);
goto fail1;
}
Now->QuadPart = op.now;
return STATUS_SUCCESS;
fail1:
Error("fail1 (%08x)\n", status);
return status;
}
NTSTATUS
HvmGetParameter(
IN ULONG Param,
OUT PULONGLONG Value
)
{
struct xen_hvm_param op;
LONG_PTR rc;
NTSTATUS status;
op.domid = DOMID_SELF;
op.index = Param;
op.value = 0xf001dead;
rc = HvmOp(HVMOP_get_param, &op);
if (rc < 0)
goto fail1;
/* Horrible hack to cope with the transition from
return parameters through the hypercall return
value to returning them through an in-memory
structure. */
if (op.value != 0xf001dead)
*Value = (ULONG_PTR)op.value;
else
*Value = (ULONG_PTR)rc;
return STATUS_SUCCESS;
fail1:
ERRNO_TO_STATUS(-rc, status);
LogError("fail1 (%08x)\n", status);
return status;
}
static FORCEINLINE NTSTATUS
MemoryOp(
IN ULONG Command,
IN PVOID Argument
)
{
LONG_PTR ret;
NTSTATUS Status;
ret = Hypercall2(LONG_PTR, memory_op, Command, Argument);
if (ret < 0) {
ERRNO_TO_STATUS(-ret, Status);
goto fail;
}
return STATUS_SUCCESS;
fail:
return Status;
}
