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 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * 29 * Communication to/from hypervisor. 30 * 31 * Copyright (c) 2002-2004, K A Fraser 32 * 33 * Permission is hereby granted, free of charge, to any person obtaining a copy 34 * of this source file (the "Software"), to deal in the Software without 35 * restriction, including without limitation the rights to use, copy, modify, 36 * merge, publish, distribute, sublicense, and/or sell copies of the Software, 37 * and to permit persons to whom the Software is furnished to do so, subject to 38 * the following conditions: 39 * 40 * The above copyright notice and this permission notice shall be included in 41 * all copies or substantial portions of the Software. 42 * 43 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 44 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 45 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 46 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 47 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 48 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 49 * IN THE SOFTWARE. 50 */ 51 52 #ifndef _SYS_HYPERVISOR_H 53 #define _SYS_HYPERVISOR_H 54 55 #pragma ident "%Z%%M% %I% %E% SMI" 56 57 #ifdef __cplusplus 58 extern "C" { 59 #endif 60 61 #ifdef XPV_HVM_DRIVER 62 #include <sys/xpv_support.h> 63 #else 64 #include <sys/xpv_impl.h> 65 #endif 66 #include <sys/xen_errno.h> 67 68 #if !defined(_ASM) 69 70 #include <sys/processor.h> 71 #include <sys/cpuvar.h> 72 #ifndef XPV_HVM_DRIVER 73 #include <sys/xen_mmu.h> 74 #endif 75 #include <sys/systm.h> 76 #include <xen/public/callback.h> 77 #include <xen/public/event_channel.h> 78 #include <xen/public/grant_table.h> 79 #include <xen/public/io/blkif.h> 80 #include <xen/public/io/xenbus.h> 81 #include <xen/public/memory.h> 82 #include <xen/public/nmi.h> 83 #include <xen/public/physdev.h> 84 #include <xen/public/sched.h> 85 #include <xen/public/sysctl.h> 86 #include <xen/public/platform.h> 87 #include <xen/public/vcpu.h> 88 #include <xen/public/version.h> 89 #include <xen/public/acm_ops.h> 90 #include <xen/public/hvm/params.h> 91 92 extern shared_info_t *HYPERVISOR_shared_info; 93 extern void *HYPERVISOR_console_page; 94 95 /* -- move these definitions elsewhere -- */ 96 97 extern int xen_debug_handler(void *); 98 extern void xen_printf(const char *, ...) __KPRINTFLIKE(1); 99 #pragma rarely_called(xen_printf) 100 101 extern void xen_callback(void); 102 extern void xen_failsafe_callback(void); 103 104 extern hrtime_t xpv_gethrtime(void); 105 extern hrtime_t xpv_getsystime(void); 106 107 extern void xpv_time_suspend(void); 108 extern void xpv_time_resume(void); 109 110 extern void startup_xen_version(void); 111 112 extern void mach_cpucontext_reset(cpu_t *); 113 extern void mach_cpucontext_restore(cpu_t *); 114 115 extern void mp_enter_barrier(void); 116 extern void mp_leave_barrier(void); 117 118 extern cpuset_t cpu_suspend_lost_set; 119 120 extern int xen_gdt_setprot(cpu_t *, uint_t); 121 extern int xen_ldt_setprot(user_desc_t *, size_t, uint_t); 122 123 /* 124 * Wrappered versions of the hypercalls that diagnose/panic on failure 125 */ 126 extern void xen_set_gdt(ulong_t *, int); 127 extern void xen_set_ldt(user_desc_t *, uint_t); 128 extern void xen_stack_switch(ulong_t, ulong_t); 129 extern long xen_set_trap_table(trap_info_t *); 130 131 #if defined(__amd64) 132 extern void xen_set_segment_base(int, ulong_t); 133 #endif /* __amd64 */ 134 extern long xen_vcpu_up(processorid_t); 135 extern long xen_vcpu_down(processorid_t); 136 extern void xen_enable_user_iopl(void); 137 extern void xen_disable_user_iopl(void); 138 139 /* 140 * A quick way to ask if we're DOM0 or not .. 141 */ 142 #ifdef XPV_HVM_DRIVER 143 144 #define DOMAIN_IS_INITDOMAIN(info) (__lintzero) 145 #define DOMAIN_IS_PRIVILEGED(info) (__lintzero) 146 147 #else 148 149 #define DOMAIN_IS_INITDOMAIN(info) \ 150 (((info)->flags & SIF_INITDOMAIN) == SIF_INITDOMAIN) 151 152 #define DOMAIN_IS_PRIVILEGED(info) \ 153 (((info)->flags & SIF_PRIVILEGED) == SIF_PRIVILEGED) 154 155 #endif 156 157 /* 158 * start of day information passed up from the hypervisor 159 */ 160 extern start_info_t *xen_info; 161 162 extern long __hypercall0(int); 163 extern long __hypercall1(int, ulong_t); 164 extern long __hypercall2(int, ulong_t, ulong_t); 165 extern long __hypercall3(int, ulong_t, ulong_t, ulong_t); 166 extern long __hypercall4(int, ulong_t, ulong_t, ulong_t, ulong_t); 167 extern long __hypercall5(int, ulong_t, ulong_t, ulong_t, ulong_t, ulong_t); 168 169 extern int __hypercall0_int(int); 170 extern int __hypercall1_int(int, ulong_t); 171 extern int __hypercall2_int(int, ulong_t, ulong_t); 172 extern int __hypercall3_int(int, ulong_t, ulong_t, ulong_t); 173 extern int __hypercall4_int(int, ulong_t, ulong_t, ulong_t, ulong_t); 174 extern int __hypercall5_int(int, ulong_t, ulong_t, ulong_t, ulong_t, ulong_t); 175 176 extern long HYPERVISOR_set_trap_table(trap_info_t *); 177 extern int HYPERVISOR_mmu_update(mmu_update_t *, int, int *, domid_t); 178 extern long HYPERVISOR_set_gdt(ulong_t *, int); 179 extern long HYPERVISOR_stack_switch(ulong_t, ulong_t); 180 #if defined(__amd64) 181 extern long HYPERVISOR_set_callbacks(ulong_t, ulong_t, ulong_t); 182 #else 183 extern long HYPERVISOR_set_callbacks(ulong_t, ulong_t, ulong_t, ulong_t); 184 #endif 185 extern long HYPERVISOR_fpu_taskswitch(int); 186 /* *** __HYPERVISOR_sched_op_compat *** OBSOLETED */ 187 extern long HYPERVISOR_platform_op(xen_platform_op_t *); 188 /* *** __HYPERVISOR_set_debugreg *** NOT IMPLEMENTED */ 189 /* *** __HYPERVISOR_get_debugreg *** NOT IMPLEMENTED */ 190 extern long HYPERVISOR_update_descriptor(maddr_t, uint64_t); 191 extern long HYPERVISOR_memory_op(int, void *); 192 extern long HYPERVISOR_multicall(void *, uint_t); 193 extern int HYPERVISOR_update_va_mapping(ulong_t, uint64_t, ulong_t); 194 extern long HYPERVISOR_set_timer_op(uint64_t); 195 /* *** __HYPERVISOR_event_channel_op_compat *** OBSOLETED */ 196 extern long HYPERVISOR_xen_version(int, void *); 197 extern long HYPERVISOR_console_io(int, int, char *); 198 /* *** __HYPERVISOR_physdev_op_compat *** OBSOLETED */ 199 extern long HYPERVISOR_grant_table_op(unsigned int, void *, unsigned int); 200 extern long HYPERVISOR_vm_assist(unsigned int, unsigned int); 201 extern int HYPERVISOR_update_va_mapping_otherdomain(ulong_t, 202 uint64_t, ulong_t, domid_t); 203 /* *** __HYPERVISOR_iret *** IN i86xpv/sys/machprivregs.h */ 204 extern long HYPERVISOR_vcpu_op(int, int, void *); 205 #if defined(__amd64) 206 extern long HYPERVISOR_set_segment_base(int, ulong_t); 207 #endif /* __amd64 */ 208 extern int HYPERVISOR_mmuext_op(struct mmuext_op *, int, uint_t *, domid_t); 209 extern long HYPERVISOR_acm_op(int cmd, void *); 210 extern long HYPERVISOR_nmi_op(int cmd, void *); 211 extern long HYPERVISOR_sched_op(int, void *); 212 extern long HYPERVISOR_callback_op(int, void *); 213 /* *** __HYPERVISOR_xenoprof_op *** NOT IMPLEMENTED */ 214 extern long HYPERVISOR_event_channel_op(int, void *); /* does return long */ 215 extern long HYPERVISOR_physdev_op(int, void *); 216 extern long HYPERVISOR_hvm_op(int cmd, void *); 217 extern long HYPERVISOR_sysctl(xen_sysctl_t *); 218 extern long HYPERVISOR_domctl(xen_domctl_t *domctl); 219 /* *** __HYPERVISOR_kexec_op *** NOT IMPLEMENTED */ 220 221 222 /* 223 * HYPERCALL HELPER ROUTINES 224 * These don't have their own unique hypercalls. 225 */ 226 extern long HYPERVISOR_yield(void); 227 extern long HYPERVISOR_block(void); 228 extern long HYPERVISOR_shutdown(uint_t); 229 extern long HYPERVISOR_poll(evtchn_port_t *, uint_t, uint64_t); 230 extern long HYPERVISOR_suspend(ulong_t); 231 232 #endif /* !_ASM */ 233 234 #ifdef __cplusplus 235 } 236 #endif 237 238 #endif /* _SYS_HYPERVISOR_H */ 239