1843e1988Sjohnlev /* 2843e1988Sjohnlev * CDDL HEADER START 3843e1988Sjohnlev * 4843e1988Sjohnlev * The contents of this file are subject to the terms of the 5843e1988Sjohnlev * Common Development and Distribution License (the "License"). 6843e1988Sjohnlev * You may not use this file except in compliance with the License. 7843e1988Sjohnlev * 8843e1988Sjohnlev * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9843e1988Sjohnlev * or http://www.opensolaris.org/os/licensing. 10843e1988Sjohnlev * See the License for the specific language governing permissions 11843e1988Sjohnlev * and limitations under the License. 12843e1988Sjohnlev * 13843e1988Sjohnlev * When distributing Covered Code, include this CDDL HEADER in each 14843e1988Sjohnlev * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15843e1988Sjohnlev * If applicable, add the following below this CDDL HEADER, with the 16843e1988Sjohnlev * fields enclosed by brackets "[]" replaced with your own identifying 17843e1988Sjohnlev * information: Portions Copyright [yyyy] [name of copyright owner] 18843e1988Sjohnlev * 19843e1988Sjohnlev * CDDL HEADER END 20843e1988Sjohnlev */ 21843e1988Sjohnlev 22843e1988Sjohnlev /* 23349b53ddSStuart Maybee * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24843e1988Sjohnlev * Use is subject to license terms. 25843e1988Sjohnlev */ 26843e1988Sjohnlev 27843e1988Sjohnlev /* 28843e1988Sjohnlev * Provides basic C wrappers around hypervisor invocation. 29843e1988Sjohnlev * 30843e1988Sjohnlev * i386: eax = vector: ebx, ecx, edx, esi, edi = args 1-5 31843e1988Sjohnlev * eax = return value 32843e1988Sjohnlev * (argument registers may be clobbered on return) 33843e1988Sjohnlev * 34843e1988Sjohnlev * amd64:rax = vector: rdi, rsi, rdx, r10, r8, r9 = args 1-6 35843e1988Sjohnlev * rax = return value 36843e1988Sjohnlev * (arguments registers not clobbered on return; rcx, r11 are) 37843e1988Sjohnlev */ 38843e1988Sjohnlev 39843e1988Sjohnlev #include <sys/types.h> 40349b53ddSStuart Maybee #ifndef __xpv 41551bc2a6Smrj #include <sys/xpv_support.h> 42349b53ddSStuart Maybee #else 43349b53ddSStuart Maybee #include <sys/xpv_user.h> 44551bc2a6Smrj #endif 45843e1988Sjohnlev 46843e1988Sjohnlev #include <sys/hypervisor.h> 47843e1988Sjohnlev #include <xen/public/sched.h> 48843e1988Sjohnlev #include <sys/debug.h> 49843e1988Sjohnlev #include <sys/archsystm.h> 50843e1988Sjohnlev 51843e1988Sjohnlev long 52843e1988Sjohnlev HYPERVISOR_set_trap_table(trap_info_t *table) 53843e1988Sjohnlev { 54843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_set_trap_table, (ulong_t)table)); 55843e1988Sjohnlev } 56843e1988Sjohnlev 57843e1988Sjohnlev int 58843e1988Sjohnlev HYPERVISOR_mmu_update(mmu_update_t *req, int count, int *success_count, 59843e1988Sjohnlev domid_t domain_id) 60843e1988Sjohnlev { 61843e1988Sjohnlev return (__hypercall4_int(__HYPERVISOR_mmu_update, 62843e1988Sjohnlev (ulong_t)req, (long)count, (ulong_t)success_count, 63843e1988Sjohnlev (ulong_t)domain_id)); 64843e1988Sjohnlev } 65843e1988Sjohnlev 66843e1988Sjohnlev long 67843e1988Sjohnlev HYPERVISOR_set_gdt(ulong_t *frame_list, int entries) 68843e1988Sjohnlev { 69843e1988Sjohnlev return (__hypercall2( 70843e1988Sjohnlev __HYPERVISOR_set_gdt, (ulong_t)frame_list, (long)entries)); 71843e1988Sjohnlev } 72843e1988Sjohnlev 73843e1988Sjohnlev /* 74843e1988Sjohnlev * XXPV Seems like "sp" would be a better name for both amd64 and i386? 75843e1988Sjohnlev * For now stay consistent with xen project source. 76843e1988Sjohnlev */ 77843e1988Sjohnlev long 78843e1988Sjohnlev HYPERVISOR_stack_switch(ulong_t ss, ulong_t esp) 79843e1988Sjohnlev { 80843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_stack_switch, ss, esp)); 81843e1988Sjohnlev } 82843e1988Sjohnlev 83843e1988Sjohnlev #if defined(__amd64) 84843e1988Sjohnlev 85843e1988Sjohnlev long 86843e1988Sjohnlev HYPERVISOR_set_callbacks(ulong_t event_address, ulong_t failsafe_address, 87843e1988Sjohnlev ulong_t syscall_address) 88843e1988Sjohnlev { 89843e1988Sjohnlev return (__hypercall3(__HYPERVISOR_set_callbacks, 90843e1988Sjohnlev event_address, failsafe_address, syscall_address)); 91843e1988Sjohnlev } 92843e1988Sjohnlev 93843e1988Sjohnlev #elif defined(__i386) 94843e1988Sjohnlev 95843e1988Sjohnlev long 96843e1988Sjohnlev HYPERVISOR_set_callbacks( 97843e1988Sjohnlev ulong_t event_selector, ulong_t event_address, 98843e1988Sjohnlev ulong_t failsafe_selector, ulong_t failsafe_address) 99843e1988Sjohnlev { 100843e1988Sjohnlev return (__hypercall4(__HYPERVISOR_set_callbacks, 101843e1988Sjohnlev event_selector, event_address, 102843e1988Sjohnlev failsafe_selector, failsafe_address)); 103843e1988Sjohnlev } 104843e1988Sjohnlev 105843e1988Sjohnlev #endif /* __amd64 */ 106843e1988Sjohnlev 107843e1988Sjohnlev long 108843e1988Sjohnlev HYPERVISOR_fpu_taskswitch(int set) 109843e1988Sjohnlev { 110843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_fpu_taskswitch, (long)set)); 111843e1988Sjohnlev } 112843e1988Sjohnlev 113843e1988Sjohnlev /* *** __HYPERVISOR_sched_op_compat *** OBSOLETED */ 114843e1988Sjohnlev 115843e1988Sjohnlev long 116843e1988Sjohnlev HYPERVISOR_platform_op(xen_platform_op_t *platform_op) 117843e1988Sjohnlev { 118843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_platform_op, (ulong_t)platform_op)); 119843e1988Sjohnlev } 120843e1988Sjohnlev 121843e1988Sjohnlev /* *** __HYPERVISOR_set_debugreg *** NOT IMPLEMENTED */ 122843e1988Sjohnlev 123843e1988Sjohnlev /* *** __HYPERVISOR_get_debugreg *** NOT IMPLEMENTED */ 124843e1988Sjohnlev 125843e1988Sjohnlev long 126843e1988Sjohnlev HYPERVISOR_update_descriptor(maddr_t ma, uint64_t desc) 127843e1988Sjohnlev { 128843e1988Sjohnlev #if defined(__amd64) 129843e1988Sjohnlev 130843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_update_descriptor, ma, desc)); 131843e1988Sjohnlev 132843e1988Sjohnlev #elif defined(__i386) 133843e1988Sjohnlev 134843e1988Sjohnlev return (__hypercall4(__HYPERVISOR_update_descriptor, 135843e1988Sjohnlev (ulong_t)ma, (ulong_t)(ma >>32), 136843e1988Sjohnlev (ulong_t)desc, (ulong_t)(desc >> 32))); 137843e1988Sjohnlev 138843e1988Sjohnlev #endif 139843e1988Sjohnlev } 140843e1988Sjohnlev 141843e1988Sjohnlev long 142843e1988Sjohnlev HYPERVISOR_memory_op(int cmd, void *arg) 143843e1988Sjohnlev { 144843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_memory_op, (long)cmd, 145843e1988Sjohnlev (ulong_t)arg)); 146843e1988Sjohnlev } 147843e1988Sjohnlev 148843e1988Sjohnlev long 149843e1988Sjohnlev HYPERVISOR_multicall(void *call_list, uint_t nr_calls) 150843e1988Sjohnlev { 151843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_multicall, 152843e1988Sjohnlev (ulong_t)call_list, (ulong_t)nr_calls)); 153843e1988Sjohnlev } 154843e1988Sjohnlev 155843e1988Sjohnlev int 156843e1988Sjohnlev HYPERVISOR_update_va_mapping(ulong_t va, uint64_t new_pte, ulong_t flags) 157843e1988Sjohnlev { 158843e1988Sjohnlev #if !defined(_BOOT) 159843e1988Sjohnlev if (IN_XPV_PANIC()) 160843e1988Sjohnlev return (0); 161843e1988Sjohnlev #endif 162843e1988Sjohnlev #if defined(__amd64) 163843e1988Sjohnlev 164843e1988Sjohnlev return (__hypercall3_int(__HYPERVISOR_update_va_mapping, va, 165843e1988Sjohnlev new_pte, flags)); 166843e1988Sjohnlev 167843e1988Sjohnlev #elif defined(__i386) 168843e1988Sjohnlev 169843e1988Sjohnlev return (__hypercall4_int(__HYPERVISOR_update_va_mapping, va, 170843e1988Sjohnlev (ulong_t)new_pte, (ulong_t)(new_pte >> 32), flags)); 171843e1988Sjohnlev 172843e1988Sjohnlev #endif /* __i386 */ 173843e1988Sjohnlev } 174843e1988Sjohnlev 175843e1988Sjohnlev /* 176843e1988Sjohnlev * Note: this timeout must be the Xen system time not hrtime (see 177843e1988Sjohnlev * xpv_timestamp.c). 178843e1988Sjohnlev */ 179843e1988Sjohnlev long 180843e1988Sjohnlev HYPERVISOR_set_timer_op(uint64_t timeout) 181843e1988Sjohnlev { 182843e1988Sjohnlev #if defined(__amd64) 183843e1988Sjohnlev 184843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_set_timer_op, timeout)); 185843e1988Sjohnlev 186843e1988Sjohnlev #elif defined(__i386) 187843e1988Sjohnlev 188843e1988Sjohnlev uint32_t timeout_hi = (uint32_t)(timeout >> 32); 189843e1988Sjohnlev uint32_t timeout_lo = (uint32_t)timeout; 190843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_set_timer_op, 191843e1988Sjohnlev (ulong_t)timeout_lo, (ulong_t)timeout_hi)); 192843e1988Sjohnlev 193843e1988Sjohnlev #endif /* __i386 */ 194843e1988Sjohnlev } 195843e1988Sjohnlev 196843e1988Sjohnlev /* *** __HYPERVISOR_event_channel_op_compat *** OBSOLETED */ 197843e1988Sjohnlev 198843e1988Sjohnlev long 199843e1988Sjohnlev HYPERVISOR_xen_version(int cmd, void *arg) 200843e1988Sjohnlev { 201843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_xen_version, (long)cmd, 202843e1988Sjohnlev (ulong_t)arg)); 203843e1988Sjohnlev } 204843e1988Sjohnlev 205843e1988Sjohnlev long 206843e1988Sjohnlev HYPERVISOR_console_io(int cmd, int count, char *str) 207843e1988Sjohnlev { 208843e1988Sjohnlev return (__hypercall3(__HYPERVISOR_console_io, (long)cmd, (long)count, 209843e1988Sjohnlev (ulong_t)str)); 210843e1988Sjohnlev } 211843e1988Sjohnlev 212843e1988Sjohnlev /* *** __HYPERVISOR_physdev_op_compat *** OBSOLETED */ 213843e1988Sjohnlev 2147eea693dSMark Johnson /* 2157eea693dSMark Johnson * **** 2167eea693dSMark Johnson * NOTE: this hypercall should not be called directly for a 2177eea693dSMark Johnson * GNTTABOP_map_grant_ref. Instead xen_map_gref() should be called. 2187eea693dSMark Johnson * **** 2197eea693dSMark Johnson */ 220843e1988Sjohnlev long 221843e1988Sjohnlev HYPERVISOR_grant_table_op(uint_t cmd, void *uop, uint_t count) 222843e1988Sjohnlev { 223843e1988Sjohnlev int ret_val; 224843e1988Sjohnlev ret_val = __hypercall3(__HYPERVISOR_grant_table_op, 225843e1988Sjohnlev (long)cmd, (ulong_t)uop, (ulong_t)count); 226843e1988Sjohnlev return (ret_val); 227843e1988Sjohnlev } 228843e1988Sjohnlev 229843e1988Sjohnlev long 230843e1988Sjohnlev HYPERVISOR_vm_assist(uint_t cmd, uint_t type) 231843e1988Sjohnlev { 232843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_vm_assist, 233843e1988Sjohnlev (ulong_t)cmd, (ulong_t)type)); 234843e1988Sjohnlev } 235843e1988Sjohnlev 236843e1988Sjohnlev int 237843e1988Sjohnlev HYPERVISOR_update_va_mapping_otherdomain(ulong_t va, 238843e1988Sjohnlev uint64_t new_pte, ulong_t flags, domid_t domain_id) 239843e1988Sjohnlev { 240843e1988Sjohnlev #if defined(__amd64) 241843e1988Sjohnlev 242843e1988Sjohnlev return (__hypercall4_int(__HYPERVISOR_update_va_mapping_otherdomain, 243843e1988Sjohnlev va, new_pte, flags, (ulong_t)domain_id)); 244843e1988Sjohnlev 245843e1988Sjohnlev #elif defined(__i386) 246843e1988Sjohnlev 247843e1988Sjohnlev return (__hypercall5_int(__HYPERVISOR_update_va_mapping_otherdomain, 248843e1988Sjohnlev va, (ulong_t)new_pte, (ulong_t)(new_pte >> 32), flags, 249843e1988Sjohnlev (ulong_t)domain_id)); 250843e1988Sjohnlev 251843e1988Sjohnlev #endif /* __i386 */ 252843e1988Sjohnlev } 253843e1988Sjohnlev 254843e1988Sjohnlev /* 255843e1988Sjohnlev * *** __HYPERVISOR_iret *** 256843e1988Sjohnlev * see HYPERVISOR_IRET() macro in i86xpv/sys/machprivregs.h 257843e1988Sjohnlev */ 258843e1988Sjohnlev 259843e1988Sjohnlev long 260843e1988Sjohnlev HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args) 261843e1988Sjohnlev { 262843e1988Sjohnlev return (__hypercall3(__HYPERVISOR_vcpu_op, (long)cmd, (long)vcpuid, 263843e1988Sjohnlev (ulong_t)extra_args)); 264843e1988Sjohnlev } 265843e1988Sjohnlev 266843e1988Sjohnlev #if defined(__amd64) 267843e1988Sjohnlev 268843e1988Sjohnlev long 269843e1988Sjohnlev HYPERVISOR_set_segment_base(int reg, ulong_t value) 270843e1988Sjohnlev { 271843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_set_segment_base, (long)reg, value)); 272843e1988Sjohnlev } 273843e1988Sjohnlev 274843e1988Sjohnlev #endif /* __amd64 */ 275843e1988Sjohnlev 276843e1988Sjohnlev int 277843e1988Sjohnlev HYPERVISOR_mmuext_op(struct mmuext_op *req, int count, uint_t *success_count, 278843e1988Sjohnlev domid_t domain_id) 279843e1988Sjohnlev { 280843e1988Sjohnlev return (__hypercall4_int(__HYPERVISOR_mmuext_op, 281843e1988Sjohnlev (ulong_t)req, (long)count, (ulong_t)success_count, 282843e1988Sjohnlev (ulong_t)domain_id)); 283843e1988Sjohnlev } 284843e1988Sjohnlev 285843e1988Sjohnlev long 286843e1988Sjohnlev HYPERVISOR_nmi_op(int cmd, void *arg) 287843e1988Sjohnlev { 288843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_nmi_op, (long)cmd, (ulong_t)arg)); 289843e1988Sjohnlev } 290843e1988Sjohnlev 291843e1988Sjohnlev long 292843e1988Sjohnlev HYPERVISOR_sched_op(int cmd, void *arg) 293843e1988Sjohnlev { 294843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_sched_op, 295843e1988Sjohnlev (ulong_t)cmd, (ulong_t)arg)); 296843e1988Sjohnlev } 297843e1988Sjohnlev 298843e1988Sjohnlev long 299843e1988Sjohnlev HYPERVISOR_callback_op(int cmd, void *arg) 300843e1988Sjohnlev { 301843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_callback_op, 302843e1988Sjohnlev (ulong_t)cmd, (ulong_t)arg)); 303843e1988Sjohnlev } 304843e1988Sjohnlev 305843e1988Sjohnlev /* *** __HYPERVISOR_xenoprof_op *** NOT IMPLEMENTED */ 306843e1988Sjohnlev 307843e1988Sjohnlev long 308843e1988Sjohnlev HYPERVISOR_event_channel_op(int cmd, void *arg) 309843e1988Sjohnlev { 310843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_event_channel_op, (long)cmd, 311843e1988Sjohnlev (ulong_t)arg)); 312843e1988Sjohnlev } 313843e1988Sjohnlev 314843e1988Sjohnlev long 315843e1988Sjohnlev HYPERVISOR_physdev_op(int cmd, void *arg) 316843e1988Sjohnlev { 317843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_physdev_op, (long)cmd, 318843e1988Sjohnlev (ulong_t)arg)); 319843e1988Sjohnlev } 320843e1988Sjohnlev 321843e1988Sjohnlev long 322843e1988Sjohnlev HYPERVISOR_hvm_op(int cmd, void *arg) 323843e1988Sjohnlev { 324843e1988Sjohnlev return (__hypercall2(__HYPERVISOR_hvm_op, (long)cmd, (ulong_t)arg)); 325843e1988Sjohnlev } 326843e1988Sjohnlev 327349b53ddSStuart Maybee #if defined(__xpv) 328349b53ddSStuart Maybee long 329349b53ddSStuart Maybee HYPERVISOR_xsm_op(struct xen_acmctl *arg) 330349b53ddSStuart Maybee { 331349b53ddSStuart Maybee return (__hypercall1(__HYPERVISOR_xsm_op, (ulong_t)arg)); 332349b53ddSStuart Maybee } 333349b53ddSStuart Maybee 334843e1988Sjohnlev long 335843e1988Sjohnlev HYPERVISOR_sysctl(xen_sysctl_t *sysctl) 336843e1988Sjohnlev { 337843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_sysctl, (ulong_t)sysctl)); 338843e1988Sjohnlev } 339843e1988Sjohnlev 340843e1988Sjohnlev long 341843e1988Sjohnlev HYPERVISOR_domctl(xen_domctl_t *domctl) 342843e1988Sjohnlev { 343843e1988Sjohnlev return (__hypercall1(__HYPERVISOR_domctl, (ulong_t)domctl)); 344843e1988Sjohnlev } 345349b53ddSStuart Maybee #endif /* __xpv */ 346843e1988Sjohnlev 347843e1988Sjohnlev /* *** __HYPERVISOR_kexec_op *** NOT IMPLEMENTED */ 348843e1988Sjohnlev 349843e1988Sjohnlev /* 350843e1988Sjohnlev * 351843e1988Sjohnlev * HYPERCALL HELPER ROUTINES 352843e1988Sjohnlev * These don't have there own unique hypercalls. 353843e1988Sjohnlev * 354843e1988Sjohnlev */ 355843e1988Sjohnlev 356843e1988Sjohnlev long 357843e1988Sjohnlev HYPERVISOR_yield(void) 358843e1988Sjohnlev { 359843e1988Sjohnlev return (HYPERVISOR_sched_op(SCHEDOP_yield, NULL)); 360843e1988Sjohnlev } 361843e1988Sjohnlev 362843e1988Sjohnlev long 363843e1988Sjohnlev HYPERVISOR_block(void) 364843e1988Sjohnlev { 365843e1988Sjohnlev return (HYPERVISOR_sched_op(SCHEDOP_block, NULL)); 366843e1988Sjohnlev } 367843e1988Sjohnlev 368843e1988Sjohnlev long 369843e1988Sjohnlev HYPERVISOR_shutdown(uint_t reason) 370843e1988Sjohnlev { 371843e1988Sjohnlev struct sched_shutdown sched_shutdown; 372843e1988Sjohnlev 373843e1988Sjohnlev sched_shutdown.reason = reason; 374843e1988Sjohnlev 375843e1988Sjohnlev return (HYPERVISOR_sched_op(SCHEDOP_shutdown, &sched_shutdown)); 376843e1988Sjohnlev } 377843e1988Sjohnlev 378843e1988Sjohnlev /* 379843e1988Sjohnlev * Poll one or more event-channel ports, and return when pending. 380843e1988Sjohnlev * An optional timeout (in nanoseconds, absolute time since boot) may be 381843e1988Sjohnlev * specified. Note: this timeout must be the Xen system time not hrtime (see 382843e1988Sjohnlev * xpv_timestamp.c). 383843e1988Sjohnlev */ 384843e1988Sjohnlev long 385843e1988Sjohnlev HYPERVISOR_poll(evtchn_port_t *ports, uint_t nr_ports, uint64_t timeout) 386843e1988Sjohnlev { 387843e1988Sjohnlev struct sched_poll sched_poll; 388843e1988Sjohnlev 389843e1988Sjohnlev /*LINTED: constant in conditional context*/ 390843e1988Sjohnlev set_xen_guest_handle(sched_poll.ports, ports); 391843e1988Sjohnlev sched_poll.nr_ports = nr_ports; 392843e1988Sjohnlev sched_poll.timeout = timeout; 393843e1988Sjohnlev 394843e1988Sjohnlev return (HYPERVISOR_sched_op(SCHEDOP_poll, &sched_poll)); 395843e1988Sjohnlev } 396843e1988Sjohnlev 397843e1988Sjohnlev long 398843e1988Sjohnlev HYPERVISOR_suspend(ulong_t start_info_mfn) 399843e1988Sjohnlev { 400843e1988Sjohnlev struct sched_shutdown sched_shutdown; 401843e1988Sjohnlev 402843e1988Sjohnlev sched_shutdown.reason = SHUTDOWN_suspend; 403843e1988Sjohnlev 404843e1988Sjohnlev return (__hypercall3(__HYPERVISOR_sched_op, SCHEDOP_shutdown, 405843e1988Sjohnlev (ulong_t)&sched_shutdown, start_info_mfn)); 406843e1988Sjohnlev } 407e4b86885SCheng Sean Ye 408e4b86885SCheng Sean Ye long 409*ad09f8b8SMark Johnson HYPERVISOR_mca(uint32_t cmd, xen_mc_t *xmcp) 410e4b86885SCheng Sean Ye { 411e4b86885SCheng Sean Ye long rv; 412e4b86885SCheng Sean Ye 413e4b86885SCheng Sean Ye switch (cmd) { 414349b53ddSStuart Maybee case XEN_MC_fetch: 415349b53ddSStuart Maybee case XEN_MC_physcpuinfo: 416349b53ddSStuart Maybee case XEN_MC_msrinject: 417349b53ddSStuart Maybee case XEN_MC_mceinject: 418e4b86885SCheng Sean Ye break; 419e4b86885SCheng Sean Ye 420349b53ddSStuart Maybee case XEN_MC_notifydomain: 421e4b86885SCheng Sean Ye return (ENOTSUP); 422e4b86885SCheng Sean Ye 423e4b86885SCheng Sean Ye default: 424e4b86885SCheng Sean Ye return (EINVAL); 425e4b86885SCheng Sean Ye } 426e4b86885SCheng Sean Ye 427*ad09f8b8SMark Johnson xmcp->interface_version = XEN_MCA_INTERFACE_VERSION; 428*ad09f8b8SMark Johnson xmcp->cmd = cmd; 429e4b86885SCheng Sean Ye 430*ad09f8b8SMark Johnson rv = __hypercall1(__HYPERVISOR_mca, (ulong_t)xmcp); 431e4b86885SCheng Sean Ye 432e4b86885SCheng Sean Ye return (rv); 433e4b86885SCheng Sean Ye } 434