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Diffstat (limited to 'include/asm-x86/vmi_time.h')
| -rw-r--r-- | include/asm-x86/vmi_time.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/include/asm-x86/vmi_time.h b/include/asm-x86/vmi_time.h deleted file mode 100644 index b2d39e6a08b..00000000000 --- a/include/asm-x86/vmi_time.h +++ /dev/null | |||
| @@ -1,98 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * VMI Time wrappers | ||
| 3 | * | ||
| 4 | * Copyright (C) 2006, VMware, Inc. | ||
| 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 | ||
| 9 | * (at 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 | * You should have received a copy of the GNU General Public License | ||
| 18 | * along with this program; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 20 | * | ||
| 21 | * Send feedback to dhecht@vmware.com | ||
| 22 | * | ||
| 23 | */ | ||
| 24 | |||
| 25 | #ifndef ASM_X86__VMI_TIME_H | ||
| 26 | #define ASM_X86__VMI_TIME_H | ||
| 27 | |||
| 28 | /* | ||
| 29 | * Raw VMI call indices for timer functions | ||
| 30 | */ | ||
| 31 | #define VMI_CALL_GetCycleFrequency 66 | ||
| 32 | #define VMI_CALL_GetCycleCounter 67 | ||
| 33 | #define VMI_CALL_SetAlarm 68 | ||
| 34 | #define VMI_CALL_CancelAlarm 69 | ||
| 35 | #define VMI_CALL_GetWallclockTime 70 | ||
| 36 | #define VMI_CALL_WallclockUpdated 71 | ||
| 37 | |||
| 38 | /* Cached VMI timer operations */ | ||
| 39 | extern struct vmi_timer_ops { | ||
| 40 | u64 (*get_cycle_frequency)(void); | ||
| 41 | u64 (*get_cycle_counter)(int); | ||
| 42 | u64 (*get_wallclock)(void); | ||
| 43 | int (*wallclock_updated)(void); | ||
| 44 | void (*set_alarm)(u32 flags, u64 expiry, u64 period); | ||
| 45 | void (*cancel_alarm)(u32 flags); | ||
| 46 | } vmi_timer_ops; | ||
| 47 | |||
| 48 | /* Prototypes */ | ||
| 49 | extern void __init vmi_time_init(void); | ||
| 50 | extern unsigned long vmi_get_wallclock(void); | ||
| 51 | extern int vmi_set_wallclock(unsigned long now); | ||
| 52 | extern unsigned long long vmi_sched_clock(void); | ||
| 53 | extern unsigned long vmi_tsc_khz(void); | ||
| 54 | |||
| 55 | #ifdef CONFIG_X86_LOCAL_APIC | ||
| 56 | extern void __devinit vmi_time_bsp_init(void); | ||
| 57 | extern void __devinit vmi_time_ap_init(void); | ||
| 58 | #endif | ||
| 59 | |||
| 60 | /* | ||
| 61 | * When run under a hypervisor, a vcpu is always in one of three states: | ||
| 62 | * running, halted, or ready. The vcpu is in the 'running' state if it | ||
| 63 | * is executing. When the vcpu executes the halt interface, the vcpu | ||
| 64 | * enters the 'halted' state and remains halted until there is some work | ||
| 65 | * pending for the vcpu (e.g. an alarm expires, host I/O completes on | ||
| 66 | * behalf of virtual I/O). At this point, the vcpu enters the 'ready' | ||
| 67 | * state (waiting for the hypervisor to reschedule it). Finally, at any | ||
| 68 | * time when the vcpu is not in the 'running' state nor the 'halted' | ||
| 69 | * state, it is in the 'ready' state. | ||
| 70 | * | ||
| 71 | * Real time is advances while the vcpu is 'running', 'ready', or | ||
| 72 | * 'halted'. Stolen time is the time in which the vcpu is in the | ||
| 73 | * 'ready' state. Available time is the remaining time -- the vcpu is | ||
| 74 | * either 'running' or 'halted'. | ||
| 75 | * | ||
| 76 | * All three views of time are accessible through the VMI cycle | ||
| 77 | * counters. | ||
| 78 | */ | ||
| 79 | |||
| 80 | /* The cycle counters. */ | ||
| 81 | #define VMI_CYCLES_REAL 0 | ||
| 82 | #define VMI_CYCLES_AVAILABLE 1 | ||
| 83 | #define VMI_CYCLES_STOLEN 2 | ||
| 84 | |||
| 85 | /* The alarm interface 'flags' bits */ | ||
| 86 | #define VMI_ALARM_COUNTERS 2 | ||
| 87 | |||
| 88 | #define VMI_ALARM_COUNTER_MASK 0x000000ff | ||
| 89 | |||
| 90 | #define VMI_ALARM_WIRED_IRQ0 0x00000000 | ||
| 91 | #define VMI_ALARM_WIRED_LVTT 0x00010000 | ||
| 92 | |||
| 93 | #define VMI_ALARM_IS_ONESHOT 0x00000000 | ||
| 94 | #define VMI_ALARM_IS_PERIODIC 0x00000100 | ||
| 95 | |||
| 96 | #define CONFIG_VMI_ALARM_HZ 100 | ||
| 97 | |||
| 98 | #endif /* ASM_X86__VMI_TIME_H */ | ||