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 2009 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 #ifdef __cplusplus 56 extern "C" { 57 #endif 58 59 #define xen_mb membar_enter 60 #define xen_wmb membar_producer 61 62 #ifndef __xpv 63 #include <sys/xpv_support.h> 64 #else 65 #include <sys/xpv_impl.h> 66 #endif 67 #include <sys/xen_errno.h> 68 69 #if !defined(_ASM) 70 71 #include <sys/processor.h> 72 #include <sys/cpuvar.h> 73 #ifdef __xpv 74 #include <sys/xen_mmu.h> 75 #endif 76 #include <sys/systm.h> 77 #include <xen/public/callback.h> 78 #include <xen/public/event_channel.h> 79 #include <xen/public/grant_table.h> 80 #include <xen/public/io/blkif.h> 81 #include <xen/public/io/xenbus.h> 82 #include <xen/public/memory.h> 83 #include <xen/public/nmi.h> 84 #include <xen/public/physdev.h> 85 #include <xen/public/sched.h> 86 #include <xen/public/platform.h> 87 #include <xen/public/vcpu.h> 88 #include <xen/public/version.h> 89 #include <xen/public/hvm/params.h> 90 #include <xen/public/arch-x86/xen-mca.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 uint_t xen_debug_handler(caddr_t, caddr_t); 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 extern void startup_xen_mca(void); 112 113 extern void mach_cpucontext_reset(cpu_t *); 114 extern void mach_cpucontext_restore(cpu_t *); 115 116 extern void mp_enter_barrier(void); 117 extern void mp_leave_barrier(void); 118 119 extern cpuset_t cpu_suspend_lost_set; 120 121 extern int xen_gdt_setprot(cpu_t *, uint_t); 122 extern int xen_ldt_setprot(user_desc_t *, size_t, uint_t); 123 124 /* -- while you're down there, move these too -- */ 125 126 typedef struct xen_mc_lcpu_cookie *xen_mc_lcpu_cookie_t; 127 128 extern xen_mc_lcpu_cookie_t xen_physcpu_next(xen_mc_lcpu_cookie_t); 129 extern const char *xen_physcpu_vendorstr(xen_mc_lcpu_cookie_t); 130 extern int xen_physcpu_family(xen_mc_lcpu_cookie_t); 131 extern int xen_physcpu_model(xen_mc_lcpu_cookie_t); 132 extern int xen_physcpu_stepping(xen_mc_lcpu_cookie_t); 133 extern id_t xen_physcpu_chipid(xen_mc_lcpu_cookie_t); 134 extern id_t xen_physcpu_coreid(xen_mc_lcpu_cookie_t); 135 extern id_t xen_physcpu_strandid(xen_mc_lcpu_cookie_t); 136 extern id_t xen_physcpu_initial_apicid(xen_mc_lcpu_cookie_t); 137 extern boolean_t xen_physcpu_is_cmt(xen_mc_lcpu_cookie_t); 138 extern id_t xen_physcpu_logical_id(xen_mc_lcpu_cookie_t); 139 extern uint64_t xen_physcpu_mcg_cap(xen_mc_lcpu_cookie_t); 140 141 extern int xen_map_gref(uint_t cmd, gnttab_map_grant_ref_t *mapop, 142 uint_t count, boolean_t uvaddr); 143 144 /* 145 * Wrappered versions of the hypercalls that diagnose/panic on failure 146 */ 147 extern void xen_set_gdt(ulong_t *, int); 148 extern void xen_set_ldt(user_desc_t *, uint_t); 149 extern void xen_stack_switch(ulong_t, ulong_t); 150 extern long xen_set_trap_table(trap_info_t *); 151 152 #if defined(__amd64) 153 extern void xen_set_segment_base(int, ulong_t); 154 #endif /* __amd64 */ 155 extern long xen_vcpu_up(processorid_t); 156 extern long xen_vcpu_down(processorid_t); 157 extern void xen_enable_user_iopl(void); 158 extern void xen_disable_user_iopl(void); 159 160 extern int xen_get_mc_physcpuinfo(xen_mc_logical_cpu_t *, uint_t *); 161 extern uint_t xen_phys_ncpus; 162 extern xen_mc_logical_cpu_t *xen_phys_cpus; 163 164 extern uint_t xpv_nr_phys_cpus(void); 165 extern pgcnt_t xpv_nr_phys_pages(void); 166 extern uint64_t xpv_cpu_khz(void); 167 168 169 /* 170 * A quick way to ask if we're DOM0 or not .. 171 */ 172 #ifndef __xpv 173 174 #define DOMAIN_IS_INITDOMAIN(info) (__lintzero) 175 #define DOMAIN_IS_PRIVILEGED(info) (__lintzero) 176 177 #else 178 179 #define DOMAIN_IS_INITDOMAIN(info) \ 180 (((info)->flags & SIF_INITDOMAIN) == SIF_INITDOMAIN) 181 182 #define DOMAIN_IS_PRIVILEGED(info) \ 183 (((info)->flags & SIF_PRIVILEGED) == SIF_PRIVILEGED) 184 185 #endif 186 187 /* 188 * start of day information passed up from the hypervisor 189 */ 190 extern start_info_t *xen_info; 191 192 extern long __hypercall0(int); 193 extern long __hypercall1(int, ulong_t); 194 extern long __hypercall2(int, ulong_t, ulong_t); 195 extern long __hypercall3(int, ulong_t, ulong_t, ulong_t); 196 extern long __hypercall4(int, ulong_t, ulong_t, ulong_t, ulong_t); 197 extern long __hypercall5(int, ulong_t, ulong_t, ulong_t, ulong_t, ulong_t); 198 199 extern int __hypercall0_int(int); 200 extern int __hypercall1_int(int, ulong_t); 201 extern int __hypercall2_int(int, ulong_t, ulong_t); 202 extern int __hypercall3_int(int, ulong_t, ulong_t, ulong_t); 203 extern int __hypercall4_int(int, ulong_t, ulong_t, ulong_t, ulong_t); 204 extern int __hypercall5_int(int, ulong_t, ulong_t, ulong_t, ulong_t, ulong_t); 205 206 extern long HYPERVISOR_set_trap_table(trap_info_t *); 207 extern int HYPERVISOR_mmu_update(mmu_update_t *, int, int *, domid_t); 208 extern long HYPERVISOR_set_gdt(ulong_t *, int); 209 extern long HYPERVISOR_stack_switch(ulong_t, ulong_t); 210 #if defined(__amd64) 211 extern long HYPERVISOR_set_callbacks(ulong_t, ulong_t, ulong_t); 212 #else 213 extern long HYPERVISOR_set_callbacks(ulong_t, ulong_t, ulong_t, ulong_t); 214 #endif 215 extern long HYPERVISOR_fpu_taskswitch(int); 216 /* *** __HYPERVISOR_sched_op_compat *** OBSOLETED */ 217 extern long HYPERVISOR_platform_op(xen_platform_op_t *); 218 /* *** __HYPERVISOR_set_debugreg *** NOT IMPLEMENTED */ 219 /* *** __HYPERVISOR_get_debugreg *** NOT IMPLEMENTED */ 220 extern long HYPERVISOR_update_descriptor(maddr_t, uint64_t); 221 extern long HYPERVISOR_memory_op(int, void *); 222 extern long HYPERVISOR_multicall(void *, uint_t); 223 extern int HYPERVISOR_update_va_mapping(ulong_t, uint64_t, ulong_t); 224 extern long HYPERVISOR_set_timer_op(uint64_t); 225 /* *** __HYPERVISOR_event_channel_op_compat *** OBSOLETED */ 226 extern long HYPERVISOR_xen_version(int, void *); 227 extern long HYPERVISOR_console_io(int, int, char *); 228 /* *** __HYPERVISOR_physdev_op_compat *** OBSOLETED */ 229 extern long HYPERVISOR_grant_table_op(unsigned int, void *, unsigned int); 230 extern long HYPERVISOR_vm_assist(unsigned int, unsigned int); 231 extern int HYPERVISOR_update_va_mapping_otherdomain(ulong_t, 232 uint64_t, ulong_t, domid_t); 233 /* *** __HYPERVISOR_iret *** IN i86xpv/sys/machprivregs.h */ 234 extern long HYPERVISOR_vcpu_op(int, int, void *); 235 #if defined(__amd64) 236 extern long HYPERVISOR_set_segment_base(int, ulong_t); 237 #endif /* __amd64 */ 238 extern int HYPERVISOR_mmuext_op(struct mmuext_op *, int, uint_t *, domid_t); 239 extern long HYPERVISOR_nmi_op(int cmd, void *); 240 extern long HYPERVISOR_sched_op(int, void *); 241 extern long HYPERVISOR_callback_op(int, void *); 242 /* *** __HYPERVISOR_xenoprof_op *** NOT IMPLEMENTED */ 243 extern long HYPERVISOR_event_channel_op(int, void *); /* does return long */ 244 extern long HYPERVISOR_physdev_op(int, void *); 245 extern long HYPERVISOR_hvm_op(int cmd, void *); 246 /* *** __HYPERVISOR_kexec_op *** NOT IMPLEMENTED */ 247 #if defined(__xpv) 248 extern long HYPERVISOR_mca(uint32_t, xen_mc_t *); 249 #endif 250 251 /* 252 * HYPERCALL HELPER ROUTINES 253 * These don't have their own unique hypercalls. 254 */ 255 extern long HYPERVISOR_yield(void); 256 extern long HYPERVISOR_block(void); 257 extern long HYPERVISOR_shutdown(uint_t); 258 extern long HYPERVISOR_poll(evtchn_port_t *, uint_t, uint64_t); 259 extern long HYPERVISOR_suspend(ulong_t); 260 261 #endif /* !_ASM */ 262 263 #ifdef __cplusplus 264 } 265 #endif 266 267 #endif /* _SYS_HYPERVISOR_H */ 268