1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2019 Joyent, Inc. 14 * Copyright 2022 Oxide Computer Company 15 */ 16 17 #ifndef _SYS_SMT_MACHCPU_H 18 #define _SYS_SMT_MACHCPU_H 19 20 #include <sys/types.h> 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 /* 27 * The SMT exclusion logic requires `struct cpu_smt` be present in 28 * `struct machcpu` as the field `mcpu_smt`. It is defined here, on its own, so 29 * it may be easily included by the relevant machine architecture(s). 30 */ 31 typedef struct cpu_smt { 32 lock_t cs_lock; 33 char cs_pad[56]; 34 struct cpu *cs_sib; 35 volatile uint64_t cs_intr_depth; 36 volatile uint64_t cs_state; 37 volatile uint64_t cs_sibstate; 38 } cpu_smt_t; 39 40 #ifdef __cplusplus 41 } 42 #endif 43 44 #endif /* _SYS_SMT_MACHCPU_H */ 45