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 (c) 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _SYS_APIC_COMMON_H 26 #define _SYS_APIC_COMMON_H 27 28 #include <sys/psm_types.h> 29 #include <sys/avintr.h> 30 #include <sys/privregs.h> 31 #include <sys/pci.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* 38 * Functions & Variables common to pcplusmp & apix 39 */ 40 41 #include <sys/psm_common.h> 42 43 /* Methods for multiple IOAPIC */ 44 enum apic_ioapic_method_type { 45 APIC_MUL_IOAPIC_NONE, /* use to disable pcplusmp fallback */ 46 APIC_MUL_IOAPIC_MASK, /* Set RT Entry Mask bit before EOI */ 47 APIC_MUL_IOAPIC_DEOI, /* Directed EOI */ 48 APIC_MUL_IOAPIC_IOXAPIC, /* IOxAPIC */ 49 APIC_MUL_IOAPIC_IIR, /* IOMMU interrup remapping */ 50 APIC_MUL_IOAPIC_PCPLUSMP /* Fall back to old pcplusmp */ 51 }; 52 53 #define APIX_IS_DIRECTED_EOI(type) \ 54 ((type) == APIC_MUL_IOAPIC_DEOI || (type) == APIC_MUL_IOAPIC_IIR) 55 #define APIX_IS_MASK_RDT(type) \ 56 ((type) == APIC_MUL_IOAPIC_NONE || (type) == APIC_MUL_IOAPIC_MASK) 57 58 extern int apix_enable; 59 extern int apix_loaded(void); 60 extern enum apic_ioapic_method_type apix_mul_ioapic_method; 61 62 extern int apic_oneshot; 63 /* to allow disabling one-shot capability */ 64 extern int apic_oneshot_enable; 65 66 /* Now the ones for Dynamic Interrupt distribution */ 67 extern int apic_enable_dynamic_migration; 68 69 extern int apic_have_32bit_cr8; 70 71 extern struct psm_ops *psmops; 72 73 /* 74 * These variables are frequently accessed in apic_intr_enter(), 75 * apic_intr_exit and apic_setspl, so group them together 76 */ 77 extern volatile uint32_t *apicadr; /* virtual addr of local APIC */ 78 extern uchar_t apic_io_vectbase[MAX_IO_APIC]; 79 extern uchar_t apic_io_vectend[MAX_IO_APIC]; 80 extern uchar_t apic_io_ver[MAX_IO_APIC]; 81 extern int apic_io_max; 82 extern int apic_nvidia_io_max; 83 extern int apic_setspl_delay; /* apic_setspl - delay enable */ 84 extern int apic_clkvect; 85 86 /* vector at which error interrupts come in */ 87 extern int apic_errvect; 88 extern int apic_enable_error_intr; 89 extern int apic_error_display_delay; 90 91 /* vector at which performance counter overflow interrupts come in */ 92 extern int apic_cpcovf_vect; 93 extern int apic_enable_cpcovf_intr; 94 95 /* vector at which CMCI interrupts come in */ 96 extern int apic_cmci_vect; 97 extern int cmi_enable_cmci; 98 extern void cmi_cmci_trap(void); 99 100 extern kmutex_t cmci_cpu_setup_lock; /* protects cmci_cpu_setup_registered */ 101 extern int cmci_cpu_setup_registered; 102 103 extern int apic_forceload; 104 105 extern int apic_coarse_hrtime; /* 0 - use accurate slow gethrtime() */ 106 /* 1 - use gettime() for performance */ 107 extern int apic_flat_model; /* 0 - clustered. 1 - flat */ 108 109 extern int apic_panic_on_nmi; 110 extern int apic_panic_on_apic_error; 111 112 extern int apic_verbose; 113 114 #ifdef DEBUG 115 extern int apic_debug; 116 extern int apic_restrict_vector; 117 118 extern int apic_debug_msgbuf[APIC_DEBUG_MSGBUFSIZE]; 119 extern int apic_debug_msgbufindex; 120 121 #endif /* DEBUG */ 122 123 extern uint_t apic_nsec_per_intr; 124 extern uint_t apic_nticks; 125 extern uint_t apic_skipped_redistribute; 126 127 extern uint_t last_count_read; 128 extern lock_t apic_mode_switch_lock; 129 extern lock_t apic_gethrtime_lock; 130 extern volatile int apic_hrtime_stamp; 131 extern volatile hrtime_t apic_nsec_since_boot; 132 extern uint_t apic_hertz_count; 133 134 extern uint64_t apic_ticks_per_SFnsecs; /* # of ticks in SF nsecs */ 135 136 extern int apic_hrtime_error; 137 extern int apic_remote_hrterr; 138 extern int apic_num_nmis; 139 extern int apic_apic_error; 140 extern int apic_num_apic_errors; 141 extern int apic_num_cksum_errors; 142 143 extern int apic_error; 144 145 /* use to make sure only one cpu handles the nmi */ 146 extern lock_t apic_nmi_lock; 147 /* use to make sure only one cpu handles the error interrupt */ 148 extern lock_t apic_error_lock; 149 150 /* Patchable global variables. */ 151 extern int apic_kmdb_on_nmi; /* 0 - no, 1 - yes enter kmdb */ 152 extern uint32_t apic_divide_reg_init; /* 0 - divide by 2 */ 153 154 extern apic_intrmap_ops_t *apic_vt_ops; 155 156 #ifdef DEBUG 157 extern int apic_break_on_cpu; 158 extern int apic_stretch_interrupts; 159 extern int apic_stretch_ISR; /* IPL of 3 matches nothing now */ 160 #endif 161 162 extern ddi_periodic_t apic_periodic_id; 163 164 extern void apic_nmi_intr(caddr_t arg, struct regs *rp); 165 extern int apic_clkinit(); 166 extern hrtime_t apic_gettime(); 167 extern hrtime_t apic_gethrtime(); 168 extern int apic_cpu_start(processorid_t cpuid, caddr_t ctx); 169 extern int apic_cpu_stop(processorid_t cpuid, caddr_t ctx); 170 extern int apic_cpu_add(psm_cpu_request_t *reqp); 171 extern int apic_cpu_remove(psm_cpu_request_t *reqp); 172 extern int apic_cpu_ops(psm_cpu_request_t *reqp); 173 extern void apic_switch_ipi_callback(boolean_t enter); 174 extern void apic_send_ipi(int cpun, int ipl); 175 extern void apic_set_idlecpu(processorid_t cpun); 176 extern void apic_unset_idlecpu(processorid_t cpun); 177 extern void apic_shutdown(int cmd, int fcn); 178 extern void apic_preshutdown(int cmd, int fcn); 179 extern processorid_t apic_get_next_processorid(processorid_t cpun); 180 extern uint_t apic_calibrate(volatile uint32_t *, uint16_t *); 181 182 extern int apic_error_intr(); 183 extern void apic_cpcovf_mask_clear(void); 184 extern int cmci_cpu_setup(cpu_setup_t what, int cpuid, void *arg); 185 extern void apic_intrmap_init(int apic_mode); 186 extern processorid_t apic_find_cpu(int flag); 187 extern processorid_t apic_get_next_bind_cpu(void); 188 189 extern int apic_support_msi; 190 extern int apic_multi_msi_enable; 191 extern int apic_msix_enable; 192 193 extern uint32_t apic_get_localapicid(uint32_t cpuid); 194 extern uchar_t apic_get_ioapicid(uchar_t ioapicindex); 195 196 #ifdef __cplusplus 197 } 198 #endif 199 200 #endif /* _SYS_APIC_COMMON_H */ 201