diff options
Diffstat (limited to 'qemu/scripts/kvm/vmxcap')
| -rwxr-xr-x | qemu/scripts/kvm/vmxcap | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/qemu/scripts/kvm/vmxcap b/qemu/scripts/kvm/vmxcap deleted file mode 100755 index 8f0371f49..000000000 --- a/qemu/scripts/kvm/vmxcap +++ /dev/null @@ -1,260 +0,0 @@ -#!/usr/bin/python -# -# tool for querying VMX capabilities -# -# Copyright 2009-2010 Red Hat, Inc. -# -# Authors: -# Avi Kivity <avi@redhat.com> -# -# This work is licensed under the terms of the GNU GPL, version 2. See -# the COPYING file in the top-level directory. - -MSR_IA32_VMX_BASIC = 0x480 -MSR_IA32_VMX_PINBASED_CTLS = 0x481 -MSR_IA32_VMX_PROCBASED_CTLS = 0x482 -MSR_IA32_VMX_EXIT_CTLS = 0x483 -MSR_IA32_VMX_ENTRY_CTLS = 0x484 -MSR_IA32_VMX_MISC_CTLS = 0x485 -MSR_IA32_VMX_PROCBASED_CTLS2 = 0x48B -MSR_IA32_VMX_EPT_VPID_CAP = 0x48C -MSR_IA32_VMX_TRUE_PINBASED_CTLS = 0x48D -MSR_IA32_VMX_TRUE_PROCBASED_CTLS = 0x48E -MSR_IA32_VMX_TRUE_EXIT_CTLS = 0x48F -MSR_IA32_VMX_TRUE_ENTRY_CTLS = 0x490 -MSR_IA32_VMX_VMFUNC = 0x491 - -class msr(object): - def __init__(self): - try: - self.f = open('/dev/cpu/0/msr', 'r', 0) - except: - self.f = open('/dev/msr0', 'r', 0) - def read(self, index, default = None): - import struct - self.f.seek(index) - try: - return struct.unpack('Q', self.f.read(8))[0] - except: - return default - -class Control(object): - def __init__(self, name, bits, cap_msr, true_cap_msr = None): - self.name = name - self.bits = bits - self.cap_msr = cap_msr - self.true_cap_msr = true_cap_msr - def read2(self, nr): - m = msr() - val = m.read(nr, 0) - return (val & 0xffffffff, val >> 32) - def show(self): - print self.name - mbz, mb1 = self.read2(self.cap_msr) - tmbz, tmb1 = 0, 0 - if self.true_cap_msr: - tmbz, tmb1 = self.read2(self.true_cap_msr) - for bit in sorted(self.bits.keys()): - zero = not (mbz & (1 << bit)) - one = mb1 & (1 << bit) - true_zero = not (tmbz & (1 << bit)) - true_one = tmb1 & (1 << bit) - s= '?' - if (self.true_cap_msr and true_zero and true_one - and one and not zero): - s = 'default' - elif zero and not one: - s = 'no' - elif one and not zero: - s = 'forced' - elif one and zero: - s = 'yes' - print ' %-40s %s' % (self.bits[bit], s) - -class Misc(object): - def __init__(self, name, bits, msr): - self.name = name - self.bits = bits - self.msr = msr - def show(self): - print self.name - value = msr().read(self.msr, 0) - def first_bit(key): - if type(key) is tuple: - return key[0] - else: - return key - for bits in sorted(self.bits.keys(), key = first_bit): - if type(bits) is tuple: - lo, hi = bits - fmt = int - else: - lo = hi = bits - def fmt(x): - return { True: 'yes', False: 'no' }[x] - v = (value >> lo) & ((1 << (hi - lo + 1)) - 1) - print ' %-40s %s' % (self.bits[bits], fmt(v)) - -controls = [ - Misc( - name = 'Basic VMX Information', - bits = { - (0, 30): 'Revision', - (32,44): 'VMCS size', - 48: 'VMCS restricted to 32 bit addresses', - 49: 'Dual-monitor support', - (50, 53): 'VMCS memory type', - 54: 'INS/OUTS instruction information', - 55: 'IA32_VMX_TRUE_*_CTLS support', - }, - msr = MSR_IA32_VMX_BASIC, - ), - Control( - name = 'pin-based controls', - bits = { - 0: 'External interrupt exiting', - 3: 'NMI exiting', - 5: 'Virtual NMIs', - 6: 'Activate VMX-preemption timer', - 7: 'Process posted interrupts', - }, - cap_msr = MSR_IA32_VMX_PINBASED_CTLS, - true_cap_msr = MSR_IA32_VMX_TRUE_PINBASED_CTLS, - ), - - Control( - name = 'primary processor-based controls', - bits = { - 2: 'Interrupt window exiting', - 3: 'Use TSC offsetting', - 7: 'HLT exiting', - 9: 'INVLPG exiting', - 10: 'MWAIT exiting', - 11: 'RDPMC exiting', - 12: 'RDTSC exiting', - 15: 'CR3-load exiting', - 16: 'CR3-store exiting', - 19: 'CR8-load exiting', - 20: 'CR8-store exiting', - 21: 'Use TPR shadow', - 22: 'NMI-window exiting', - 23: 'MOV-DR exiting', - 24: 'Unconditional I/O exiting', - 25: 'Use I/O bitmaps', - 27: 'Monitor trap flag', - 28: 'Use MSR bitmaps', - 29: 'MONITOR exiting', - 30: 'PAUSE exiting', - 31: 'Activate secondary control', - }, - cap_msr = MSR_IA32_VMX_PROCBASED_CTLS, - true_cap_msr = MSR_IA32_VMX_TRUE_PROCBASED_CTLS, - ), - - Control( - name = 'secondary processor-based controls', - bits = { - 0: 'Virtualize APIC accesses', - 1: 'Enable EPT', - 2: 'Descriptor-table exiting', - 3: 'Enable RDTSCP', - 4: 'Virtualize x2APIC mode', - 5: 'Enable VPID', - 6: 'WBINVD exiting', - 7: 'Unrestricted guest', - 8: 'APIC register emulation', - 9: 'Virtual interrupt delivery', - 10: 'PAUSE-loop exiting', - 11: 'RDRAND exiting', - 12: 'Enable INVPCID', - 13: 'Enable VM functions', - 14: 'VMCS shadowing', - 16: 'RDSEED exiting', - 18: 'EPT-violation #VE', - 20: 'Enable XSAVES/XRSTORS', - }, - cap_msr = MSR_IA32_VMX_PROCBASED_CTLS2, - ), - - Control( - name = 'VM-Exit controls', - bits = { - 2: 'Save debug controls', - 9: 'Host address-space size', - 12: 'Load IA32_PERF_GLOBAL_CTRL', - 15: 'Acknowledge interrupt on exit', - 18: 'Save IA32_PAT', - 19: 'Load IA32_PAT', - 20: 'Save IA32_EFER', - 21: 'Load IA32_EFER', - 22: 'Save VMX-preemption timer value', - }, - cap_msr = MSR_IA32_VMX_EXIT_CTLS, - true_cap_msr = MSR_IA32_VMX_TRUE_EXIT_CTLS, - ), - - Control( - name = 'VM-Entry controls', - bits = { - 2: 'Load debug controls', - 9: 'IA-32e mode guest', - 10: 'Entry to SMM', - 11: 'Deactivate dual-monitor treatment', - 13: 'Load IA32_PERF_GLOBAL_CTRL', - 14: 'Load IA32_PAT', - 15: 'Load IA32_EFER', - }, - cap_msr = MSR_IA32_VMX_ENTRY_CTLS, - true_cap_msr = MSR_IA32_VMX_TRUE_ENTRY_CTLS, - ), - - Misc( - name = 'Miscellaneous data', - bits = { - (0,4): 'VMX-preemption timer scale (log2)', - 5: 'Store EFER.LMA into IA-32e mode guest control', - 6: 'HLT activity state', - 7: 'Shutdown activity state', - 8: 'Wait-for-SIPI activity state', - 15: 'IA32_SMBASE support', - (16,24): 'Number of CR3-target values', - (25,27): 'MSR-load/store count recommendation', - 28: 'IA32_SMM_MONITOR_CTL[2] can be set to 1', - 29: 'VMWRITE to VM-exit information fields', - (32,63): 'MSEG revision identifier', - }, - msr = MSR_IA32_VMX_MISC_CTLS, - ), - - Misc( - name = 'VPID and EPT capabilities', - bits = { - 0: 'Execute-only EPT translations', - 6: 'Page-walk length 4', - 8: 'Paging-structure memory type UC', - 14: 'Paging-structure memory type WB', - 16: '2MB EPT pages', - 17: '1GB EPT pages', - 20: 'INVEPT supported', - 21: 'EPT accessed and dirty flags', - 25: 'Single-context INVEPT', - 26: 'All-context INVEPT', - 32: 'INVVPID supported', - 40: 'Individual-address INVVPID', - 41: 'Single-context INVVPID', - 42: 'All-context INVVPID', - 43: 'Single-context-retaining-globals INVVPID', - }, - msr = MSR_IA32_VMX_EPT_VPID_CAP, - ), - Misc( - name = 'VM Functions', - bits = { - 0: 'EPTP Switching', - }, - msr = MSR_IA32_VMX_VMFUNC, - ), - ] - -for c in controls: - c.show() |