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c661b675f1
Instead of relying on substring search, tokenize the input and process each CPU flag separately. This ensures CPU flag detection will continue to work correctly even if we start looking for CPU flags whose name might appear as part of other CPU flags' names. The result of processing is stored in a virBitmap, which means we don't have to parse /proc/cpuinfo in its entirety for each single CPU flag we want to check. Moreover, use of the newly-introduced virHostValidateCPUFlag enumeration ensures we don't go looking for random CPU flags which might actually be simple typos.
88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
/*
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* virt-host-validate-common.h: Sanity check helper APIs
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*
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* Copyright (C) 2012 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __VIRT_HOST_VALIDATE_COMMON_H__
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# define __VIRT_HOST_VALIDATE_COMMON_H__
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# include "internal.h"
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# include "virutil.h"
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# include "virbitmap.h"
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typedef enum {
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VIR_HOST_VALIDATE_FAIL,
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VIR_HOST_VALIDATE_WARN,
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VIR_HOST_VALIDATE_NOTE,
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VIR_HOST_VALIDATE_LAST,
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} virHostValidateLevel;
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typedef enum {
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VIR_HOST_VALIDATE_CPU_FLAG_VMX = 0,
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VIR_HOST_VALIDATE_CPU_FLAG_SVM,
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VIR_HOST_VALIDATE_CPU_FLAG_LAST,
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} virHostValidateCPUFlag;
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VIR_ENUM_DECL(virHostValidateCPUFlag);
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extern void virHostMsgSetQuiet(bool quietFlag);
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extern void virHostMsgCheck(const char *prefix,
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const char *format,
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...) ATTRIBUTE_FMT_PRINTF(2, 3);
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extern void virHostMsgPass(void);
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extern void virHostMsgFail(virHostValidateLevel level,
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const char *format,
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...) ATTRIBUTE_FMT_PRINTF(2, 3);
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extern int virHostValidateDeviceExists(const char *hvname,
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const char *dev_name,
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virHostValidateLevel level,
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const char *hint);
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extern int virHostValidateDeviceAccessible(const char *hvname,
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const char *dev_name,
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virHostValidateLevel level,
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const char *hint);
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extern virBitmapPtr virHostValidateGetCPUFlags(void);
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extern int virHostValidateLinuxKernel(const char *hvname,
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int version,
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virHostValidateLevel level,
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const char *hint);
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extern int virHostValidateNamespace(const char *hvname,
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const char *ns_name,
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virHostValidateLevel level,
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const char *hint);
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extern int virHostValidateCGroupController(const char *hvname,
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const char *cg_name,
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virHostValidateLevel level,
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const char *config_name);
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extern int virHostValidateIOMMU(const char *hvname,
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virHostValidateLevel level);
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#endif /* __VIRT_HOST_VALIDATE_COMMON_H__ */
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