| /* controlvm_direct.c |
| * |
| * Copyright (C) 2010 - 2013 UNISYS CORPORATION |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or (at |
| * your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| * NON INFRINGEMENT. See the GNU General Public License for more |
| * details. |
| */ |
| |
| /* This is a controlvm-related code that is dependent upon firmware running |
| * on a virtual partition. |
| */ |
| |
| #include "globals.h" |
| #include "uisutils.h" |
| #include "controlvm.h" |
| #define CURRENT_FILE_PC VISOR_CHIPSET_PC_controlvm_direct_c |
| |
| |
| /* We can fill in this code when we learn how to make vmcalls... */ |
| |
| |
| |
| int controlvm_init(void) |
| { |
| return 0; |
| } |
| |
| |
| |
| void controlvm_deinit(void) |
| { |
| } |
| |
| |
| |
| HOSTADDRESS controlvm_get_channel_address(void) |
| { |
| static BOOL warned = FALSE; |
| U64 addr = 0; |
| |
| U32 size = 0; |
| |
| if (!VMCALL_SUCCESSFUL(Issue_VMCALL_IO_CONTROLVM_ADDR(&addr, &size))) { |
| if (!warned) { |
| ERRDRV("%s - vmcall to determine controlvm channel addr failed", |
| __func__); |
| warned = TRUE; |
| } |
| return 0; |
| } |
| INFODRV("controlvm addr=%Lx", addr); |
| return addr; |
| } |