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 #ifndef _SYS_XPV_SUPPORT_H 28 #define _SYS_XPV_SUPPORT_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__ 35 36 #if !defined(_ASM) 37 38 #include <sys/types.h> 39 #include <sys/inttypes.h> 40 #include <sys/dditypes.h> 41 #include <sys/xpv_impl.h> 42 #include <sys/xen_mmu.h> 43 44 #define IPL_DEBUG 15 /* domain debug interrupt */ 45 #define IPL_CONS 9 46 #define IPL_VIF 6 47 #define IPL_VBD 5 48 #define IPL_EVTCHN 1 49 50 #define INVALID_EVTCHN 0 51 52 typedef uint_t (*ec_handler_fcn_t)(); 53 54 extern int ec_init(void); 55 extern void ec_fini(); 56 extern void ec_bind_evtchn_to_handler(int, pri_t, ec_handler_fcn_t, void *); 57 extern void ec_unbind_evtchn(int); 58 extern void ec_notify_via_evtchn(uint_t); 59 extern void hypervisor_mask_event(uint_t); 60 extern void hypervisor_unmask_event(uint_t); 61 62 extern void xen_hvm_init(void); 63 extern int xen_bind_interdomain(int, int, int *); 64 extern int xen_alloc_unbound_evtchn(int, int *); 65 extern int xen_xlate_errcode(int error); 66 extern void *xen_alloc_pages(pgcnt_t cnt); 67 extern void kbm_map_ma(maddr_t ma, uintptr_t va, uint_t level); 68 69 /* 70 * Stub functions to allow the FE drivers to build without littering them 71 * with #ifdefs 72 */ 73 extern void balloon_drv_added(int64_t); 74 extern long balloon_free_pages(uint_t, mfn_t *, caddr_t, pfn_t *); 75 extern void xen_release_pfn(pfn_t); 76 extern void reassign_pfn(pfn_t, mfn_t); 77 78 extern shared_info_t *HYPERVISOR_shared_info; 79 extern pfn_t xen_shared_info_frame; 80 81 /* 82 * Argument to xpv_feature(). This function will return -1 if a feature 83 * is not available, 1 if a boolean feature is available, and a value >= 0 84 * if a numeric value is requested. 85 */ 86 #define XPVF_BITS 0 /* numeric (32 or 64) */ 87 #define XPVF_VERSION_MAJOR 1 /* numeric */ 88 #define XPVF_VERSION_MINOR 2 /* numeric */ 89 #define XPVF_HYPERCALLS 3 /* boolean (hypercalls work) */ 90 #define XPVF_SHARED_INFO 4 /* boolean (shared info is valid) */ 91 #define XPVF_TLB_FLUSH 5 /* boolean (tlb flush call present) */ 92 93 extern int xpv_feature(int); 94 95 #define IN_XPV_PANIC() (__lintzero) 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* __ASM */ 102 #endif /* _SYS_XPV_SUPPORT_H */ 103