Ken Cox | 12e364b | 2014-03-04 07:58:07 -0600 | [diff] [blame] | 1 | /* controlvm_direct.c |
| 2 | * |
| 3 | * Copyright © 2010 - 2013 UNISYS CORPORATION |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or (at |
| 9 | * your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| 14 | * NON INFRINGEMENT. See the GNU General Public License for more |
| 15 | * details. |
| 16 | */ |
| 17 | |
| 18 | /* This is a controlvm-related code that is dependent upon firmware running |
| 19 | * on a virtual partition. |
| 20 | */ |
| 21 | |
| 22 | #include "globals.h" |
| 23 | #include "uisutils.h" |
Ken Cox | bd5b9b3 | 2014-03-13 15:39:22 -0500 | [diff] [blame] | 24 | #include "controlvm.h" |
Ken Cox | 12e364b | 2014-03-04 07:58:07 -0600 | [diff] [blame] | 25 | #define CURRENT_FILE_PC VISOR_CHIPSET_PC_controlvm_direct_c |
| 26 | |
| 27 | |
| 28 | /* We can fill in this code when we learn how to make vmcalls... */ |
| 29 | |
| 30 | |
| 31 | |
| 32 | int controlvm_init(void) |
| 33 | { |
| 34 | return 0; |
| 35 | } |
| 36 | |
| 37 | |
| 38 | |
| 39 | void controlvm_deinit(void) |
| 40 | { |
| 41 | } |
| 42 | |
| 43 | |
| 44 | |
| 45 | HOSTADDRESS controlvm_get_channel_address(void) |
| 46 | { |
| 47 | static BOOL warned = FALSE; |
| 48 | U64 addr = 0; |
| 49 | |
| 50 | U32 size = 0; |
| 51 | |
| 52 | if (!VMCALL_SUCCESSFUL(Issue_VMCALL_IO_CONTROLVM_ADDR(&addr, &size))) { |
| 53 | if (!warned) { |
| 54 | ERRDRV("%s - vmcall to determine controlvm channel addr failed", |
| 55 | __func__); |
| 56 | warned = TRUE; |
| 57 | } |
| 58 | return 0; |
| 59 | } |
| 60 | INFODRV("controlvm addr=%Lx", addr); |
| 61 | return addr; |
| 62 | } |