1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_MACHCPUVAR_H 27 #define _SYS_MACHCPUVAR_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/inttypes.h> 34 #include <sys/x_call.h> 35 #include <sys/tss.h> 36 #include <sys/segments.h> 37 #include <sys/rm_platter.h> 38 #include <sys/avintr.h> 39 #include <sys/pte.h> 40 41 #ifndef _ASM 42 /* 43 * On a virtualized platform a virtual cpu may not be actually 44 * on a physical cpu, especially in situations where a configuration has 45 * more vcpus than pcpus. This function tells us (if it's able) if the 46 * specified vcpu is currently running on a pcpu. Note if it is not 47 * known or not able to determine, it will return the unknown state. 48 */ 49 #define VCPU_STATE_UNKNOWN 0 50 #define VCPU_ON_PCPU 1 51 #define VCPU_NOT_ON_PCPU 2 52 53 extern int vcpu_on_pcpu(processorid_t); 54 55 /* 56 * Machine specific fields of the cpu struct 57 * defined in common/sys/cpuvar.h. 58 * 59 * Note: This is kinda kludgy but seems to be the best 60 * of our alternatives. 61 */ 62 typedef void *cpu_pri_lev_t; 63 64 struct cpuid_info; 65 struct cpu_ucode_info; 66 67 /* 68 * A note about the hypervisor affinity bits: a one bit in the affinity mask 69 * means the corresponding event channel is allowed to be serviced 70 * by this cpu. 71 */ 72 struct xen_evt_data { 73 ulong_t pending_sel[PIL_MAX + 1]; /* event array selectors */ 74 ulong_t pending_evts[PIL_MAX + 1][sizeof (ulong_t) * 8]; 75 ulong_t evt_affinity[sizeof (ulong_t) * 8]; /* service on cpu */ 76 }; 77 78 struct machcpu { 79 /* 80 * x_call fields - used for interprocessor cross calls 81 */ 82 struct xc_msg *xc_msgbox; 83 struct xc_msg *xc_free; 84 xc_data_t xc_data; 85 uint32_t xc_wait_cnt; 86 volatile uint32_t xc_work_cnt; 87 88 int mcpu_nodeid; /* node-id */ 89 int mcpu_pri; /* CPU priority */ 90 cpu_pri_lev_t mcpu_pri_data; /* ptr to machine dependent */ 91 /* data for setting priority */ 92 /* level */ 93 94 struct hat *mcpu_current_hat; /* cpu's current hat */ 95 96 struct hat_cpu_info *mcpu_hat_info; 97 98 volatile ulong_t mcpu_tlb_info; 99 100 /* i86 hardware table addresses that cannot be shared */ 101 102 user_desc_t *mcpu_gdt; /* GDT */ 103 gate_desc_t *mcpu_idt; /* current IDT */ 104 105 struct tss *mcpu_tss; /* TSS */ 106 107 kmutex_t mcpu_ppaddr_mutex; 108 caddr_t mcpu_caddr1; /* per cpu CADDR1 */ 109 caddr_t mcpu_caddr2; /* per cpu CADDR2 */ 110 uint64_t mcpu_caddr1pte; 111 uint64_t mcpu_caddr2pte; 112 113 struct softint mcpu_softinfo; 114 uint64_t pil_high_start[HIGH_LEVELS]; 115 uint64_t intrstat[PIL_MAX + 1][2]; 116 117 struct cpuid_info *mcpu_cpi; 118 119 #if defined(__amd64) 120 greg_t mcpu_rtmp_rsp; /* syscall: temporary %rsp stash */ 121 greg_t mcpu_rtmp_r15; /* syscall: temporary %r15 stash */ 122 #endif 123 124 struct vcpu_info *mcpu_vcpu_info; 125 uint64_t mcpu_gdtpa; /* hypervisor: GDT physical address */ 126 127 uint16_t mcpu_intr_pending; /* hypervisor: pending intrpt levels */ 128 uint16_t mcpu_ec_mbox; /* hypervisor: evtchn_dev mailbox */ 129 struct xen_evt_data *mcpu_evt_pend; /* hypervisor: pending events */ 130 131 volatile uint32_t *mcpu_mwait; /* MONITOR/MWAIT buffer */ 132 void (*mcpu_idle_cpu)(void); /* idle function */ 133 uint16_t mcpu_idle_type; /* CPU next idle type */ 134 uint16_t max_cstates; /* supported max cstates */ 135 136 struct cpu_ucode_info *mcpu_ucode_info; 137 138 void *mcpu_pm_mach_state; 139 }; 140 141 #define NINTR_THREADS (LOCK_LEVEL-1) /* number of interrupt threads */ 142 #define MWAIT_HALTED (1) /* mcpu_mwait set when halting */ 143 #define MWAIT_RUNNING (0) /* mcpu_mwait set to wakeup */ 144 #define MWAIT_WAKEUP_IPI (2) /* need IPI to wakeup */ 145 #define MWAIT_WAKEUP(cpu) (*((cpu)->cpu_m.mcpu_mwait) = MWAIT_RUNNING) 146 147 #endif /* _ASM */ 148 149 /* Please DON'T add any more of this namespace-poisoning sewage here */ 150 151 #define cpu_nodeid cpu_m.mcpu_nodeid 152 #define cpu_pri cpu_m.mcpu_pri 153 #define cpu_pri_data cpu_m.mcpu_pri_data 154 #define cpu_current_hat cpu_m.mcpu_current_hat 155 #define cpu_hat_info cpu_m.mcpu_hat_info 156 #define cpu_ppaddr_mutex cpu_m.mcpu_ppaddr_mutex 157 #define cpu_gdt cpu_m.mcpu_gdt 158 #define cpu_idt cpu_m.mcpu_idt 159 #define cpu_tss cpu_m.mcpu_tss 160 #define cpu_ldt cpu_m.mcpu_ldt 161 #define cpu_caddr1 cpu_m.mcpu_caddr1 162 #define cpu_caddr2 cpu_m.mcpu_caddr2 163 #define cpu_softinfo cpu_m.mcpu_softinfo 164 #define cpu_caddr1pte cpu_m.mcpu_caddr1pte 165 #define cpu_caddr2pte cpu_m.mcpu_caddr2pte 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif /* _SYS_MACHCPUVAR_H */ 172