1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 30*7c478bd9Sstevel@tonic-gate #include <sys/kdi_impl.h> 31*7c478bd9Sstevel@tonic-gate #include <sys/reboot.h> 32*7c478bd9Sstevel@tonic-gate #include <sys/errno.h> 33*7c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 34*7c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate kdi_debugvec_t *kdi_dvec; 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate static kdi_dtrace_state_t kdi_dtrace_state = KDI_DTSTATE_IDLE; 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate void 41*7c478bd9Sstevel@tonic-gate kdi_dvec_enter(void) 42*7c478bd9Sstevel@tonic-gate { 43*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_enter(); 44*7c478bd9Sstevel@tonic-gate } 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate /* 47*7c478bd9Sstevel@tonic-gate * Called on the CPU being initialized 48*7c478bd9Sstevel@tonic-gate */ 49*7c478bd9Sstevel@tonic-gate void 50*7c478bd9Sstevel@tonic-gate kdi_dvec_cpu_init(struct cpu *cp) 51*7c478bd9Sstevel@tonic-gate { 52*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_cpu_init(); 53*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_cpu_init(cp); 54*7c478bd9Sstevel@tonic-gate } 55*7c478bd9Sstevel@tonic-gate 56*7c478bd9Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) 57*7c478bd9Sstevel@tonic-gate void 58*7c478bd9Sstevel@tonic-gate kdi_dvec_idt_sync(gate_desc_t *idt) 59*7c478bd9Sstevel@tonic-gate { 60*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_idt_sync(idt); 61*7c478bd9Sstevel@tonic-gate } 62*7c478bd9Sstevel@tonic-gate #endif /* __i386 || __amd64 */ 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate void 65*7c478bd9Sstevel@tonic-gate kdi_dvec_vmready(void) 66*7c478bd9Sstevel@tonic-gate { 67*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_vmready(); 68*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_vmready(); 69*7c478bd9Sstevel@tonic-gate } 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate void 72*7c478bd9Sstevel@tonic-gate kdi_dvec_memavail(void) 73*7c478bd9Sstevel@tonic-gate { 74*7c478bd9Sstevel@tonic-gate /* 75*7c478bd9Sstevel@tonic-gate * The driver will allocate more memory (if requested), and will call 76*7c478bd9Sstevel@tonic-gate * dv_memavail itself. 77*7c478bd9Sstevel@tonic-gate */ 78*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_memavail(); 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate #if defined(__sparc) 82*7c478bd9Sstevel@tonic-gate void 83*7c478bd9Sstevel@tonic-gate kdi_dvec_cpr_restart(void) 84*7c478bd9Sstevel@tonic-gate { 85*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_cpu_init(); 86*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_cpr_restart(); 87*7c478bd9Sstevel@tonic-gate } 88*7c478bd9Sstevel@tonic-gate #endif /* __sparc */ 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate void 91*7c478bd9Sstevel@tonic-gate kdi_dvec_modavail(void) 92*7c478bd9Sstevel@tonic-gate { 93*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_modavail(); 94*7c478bd9Sstevel@tonic-gate } 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate void 97*7c478bd9Sstevel@tonic-gate kdi_dvec_thravail(void) 98*7c478bd9Sstevel@tonic-gate { 99*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_kctl_thravail(); 100*7c478bd9Sstevel@tonic-gate } 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate void 103*7c478bd9Sstevel@tonic-gate kdi_dvec_mod_loaded(struct modctl *modp) 104*7c478bd9Sstevel@tonic-gate { 105*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_mod_loaded(modp); 106*7c478bd9Sstevel@tonic-gate } 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate void 109*7c478bd9Sstevel@tonic-gate kdi_dvec_mod_unloading(struct modctl *modp) 110*7c478bd9Sstevel@tonic-gate { 111*7c478bd9Sstevel@tonic-gate kdi_dvec->dv_mod_unloading(modp); 112*7c478bd9Sstevel@tonic-gate } 113*7c478bd9Sstevel@tonic-gate 114*7c478bd9Sstevel@tonic-gate kdi_dtrace_state_t 115*7c478bd9Sstevel@tonic-gate kdi_dtrace_get_state(void) 116*7c478bd9Sstevel@tonic-gate { 117*7c478bd9Sstevel@tonic-gate return (kdi_dtrace_state); 118*7c478bd9Sstevel@tonic-gate } 119*7c478bd9Sstevel@tonic-gate 120*7c478bd9Sstevel@tonic-gate int 121*7c478bd9Sstevel@tonic-gate kdi_dtrace_set(kdi_dtrace_set_t transition) 122*7c478bd9Sstevel@tonic-gate { 123*7c478bd9Sstevel@tonic-gate kdi_dtrace_state_t new, cur; 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate do { 126*7c478bd9Sstevel@tonic-gate cur = kdi_dtrace_state; 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate switch (transition) { 129*7c478bd9Sstevel@tonic-gate case KDI_DTSET_DTRACE_ACTIVATE: 130*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_KMDB_BPT_ACTIVE) 131*7c478bd9Sstevel@tonic-gate return (EBUSY); 132*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_DTRACE_ACTIVE) 133*7c478bd9Sstevel@tonic-gate return (0); 134*7c478bd9Sstevel@tonic-gate new = KDI_DTSTATE_DTRACE_ACTIVE; 135*7c478bd9Sstevel@tonic-gate break; 136*7c478bd9Sstevel@tonic-gate case KDI_DTSET_DTRACE_DEACTIVATE: 137*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_KMDB_BPT_ACTIVE) 138*7c478bd9Sstevel@tonic-gate return (EBUSY); 139*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_IDLE) 140*7c478bd9Sstevel@tonic-gate return (0); 141*7c478bd9Sstevel@tonic-gate new = KDI_DTSTATE_IDLE; 142*7c478bd9Sstevel@tonic-gate break; 143*7c478bd9Sstevel@tonic-gate case KDI_DTSET_KMDB_BPT_ACTIVATE: 144*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_DTRACE_ACTIVE) 145*7c478bd9Sstevel@tonic-gate return (EBUSY); 146*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_KMDB_BPT_ACTIVE) 147*7c478bd9Sstevel@tonic-gate return (0); 148*7c478bd9Sstevel@tonic-gate new = KDI_DTSTATE_KMDB_BPT_ACTIVE; 149*7c478bd9Sstevel@tonic-gate break; 150*7c478bd9Sstevel@tonic-gate case KDI_DTSET_KMDB_BPT_DEACTIVATE: 151*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_DTRACE_ACTIVE) 152*7c478bd9Sstevel@tonic-gate return (EBUSY); 153*7c478bd9Sstevel@tonic-gate if (cur == KDI_DTSTATE_IDLE) 154*7c478bd9Sstevel@tonic-gate return (0); 155*7c478bd9Sstevel@tonic-gate new = KDI_DTSTATE_IDLE; 156*7c478bd9Sstevel@tonic-gate break; 157*7c478bd9Sstevel@tonic-gate default: 158*7c478bd9Sstevel@tonic-gate return (EINVAL); 159*7c478bd9Sstevel@tonic-gate } 160*7c478bd9Sstevel@tonic-gate } while (cas32((uint_t *)&kdi_dtrace_state, cur, new) != cur); 161*7c478bd9Sstevel@tonic-gate 162*7c478bd9Sstevel@tonic-gate return (0); 163*7c478bd9Sstevel@tonic-gate } 164