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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019 Joyent, Inc.
* Copyright 2022 Oxide Computer Company
*/
#ifndef _SYS_SMT_MACHCPU_H
#define _SYS_SMT_MACHCPU_H
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The SMT exclusion logic requires `struct cpu_smt` be present in
* `struct machcpu` as the field `mcpu_smt`. It is defined here, on its own, so
* it may be easily included by the relevant machine architecture(s).
*/
typedef struct cpu_smt {
lock_t cs_lock;
char cs_pad[56];
struct cpu *cs_sib;
volatile uint64_t cs_intr_depth;
volatile uint64_t cs_state;
volatile uint64_t cs_sibstate;
} cpu_smt_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SMT_MACHCPU_H */
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