Viewing file:  spectre.h (906 B) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_SPECTRE_H
#define __ASM_SPECTRE_H
enum {
SPECTRE_UNAFFECTED,
SPECTRE_MITIGATED,
SPECTRE_VULNERABLE,
};
enum {
__SPECTRE_V2_METHOD_BPIALL,
__SPECTRE_V2_METHOD_ICIALLU,
__SPECTRE_V2_METHOD_SMC,
__SPECTRE_V2_METHOD_HVC,
__SPECTRE_V2_METHOD_LOOP8,
};
enum {
SPECTRE_V2_METHOD_BPIALL = BIT(__SPECTRE_V2_METHOD_BPIALL),
SPECTRE_V2_METHOD_ICIALLU = BIT(__SPECTRE_V2_METHOD_ICIALLU),
SPECTRE_V2_METHOD_SMC = BIT(__SPECTRE_V2_METHOD_SMC),
SPECTRE_V2_METHOD_HVC = BIT(__SPECTRE_V2_METHOD_HVC),
SPECTRE_V2_METHOD_LOOP8 = BIT(__SPECTRE_V2_METHOD_LOOP8),
};
#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
void spectre_v2_update_state(unsigned int state, unsigned int methods);
#else
static inline void spectre_v2_update_state(unsigned int state,
unsigned int methods)
{}
#endif
int spectre_bhb_update_vectors(unsigned int method);
#endif
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