xenfunc.h revision 1.2.2.7
1 1.2.2.7 skrll /* $NetBSD: xenfunc.h,v 1.2.2.7 2005/11/10 14:00:34 skrll Exp $ */ 2 1.2.2.2 skrll 3 1.2.2.2 skrll /* 4 1.2.2.2 skrll * 5 1.2.2.2 skrll * Copyright (c) 2004 Christian Limpach. 6 1.2.2.2 skrll * All rights reserved. 7 1.2.2.2 skrll * 8 1.2.2.2 skrll * Redistribution and use in source and binary forms, with or without 9 1.2.2.2 skrll * modification, are permitted provided that the following conditions 10 1.2.2.2 skrll * are met: 11 1.2.2.2 skrll * 1. Redistributions of source code must retain the above copyright 12 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer. 13 1.2.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 14 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer in the 15 1.2.2.2 skrll * documentation and/or other materials provided with the distribution. 16 1.2.2.2 skrll * 3. All advertising materials mentioning features or use of this software 17 1.2.2.2 skrll * must display the following acknowledgement: 18 1.2.2.2 skrll * This product includes software developed by Christian Limpach. 19 1.2.2.2 skrll * 4. The name of the author may not be used to endorse or promote products 20 1.2.2.2 skrll * derived from this software without specific prior written permission. 21 1.2.2.2 skrll * 22 1.2.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 1.2.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 1.2.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 1.2.2.2 skrll * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 1.2.2.2 skrll * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 1.2.2.2 skrll * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 1.2.2.2 skrll * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 1.2.2.2 skrll * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.2.2.2 skrll */ 33 1.2.2.2 skrll 34 1.2.2.2 skrll 35 1.2.2.2 skrll #ifndef _XEN_XENFUNC_H_ 36 1.2.2.2 skrll #define _XEN_XENFUNC_H_ 37 1.2.2.2 skrll 38 1.2.2.2 skrll #include <machine/xen.h> 39 1.2.2.2 skrll #include <machine/hypervisor.h> 40 1.2.2.6 skrll #include <machine/evtchn.h> 41 1.2.2.2 skrll #include <machine/xenpmap.h> 42 1.2.2.2 skrll #include <machine/pte.h> 43 1.2.2.2 skrll 44 1.2.2.2 skrll #ifdef XENDEBUG_LOW 45 1.2.2.2 skrll #define __PRINTK(x) printk x 46 1.2.2.2 skrll #else 47 1.2.2.2 skrll #define __PRINTK(x) 48 1.2.2.2 skrll #endif 49 1.2.2.2 skrll 50 1.2.2.2 skrll void xen_set_ldt(vaddr_t, uint32_t); 51 1.2.2.2 skrll void xen_update_descriptor(union descriptor *, union descriptor *); 52 1.2.2.2 skrll 53 1.2.2.2 skrll static __inline void 54 1.2.2.2 skrll invlpg(u_int addr) 55 1.2.2.2 skrll { 56 1.2.2.7 skrll int s = splvm(); 57 1.2.2.2 skrll xpq_queue_invlpg(addr); 58 1.2.2.2 skrll xpq_flush_queue(); 59 1.2.2.7 skrll splx(s); 60 1.2.2.2 skrll } 61 1.2.2.2 skrll 62 1.2.2.2 skrll static __inline void 63 1.2.2.2 skrll lldt(u_short sel) 64 1.2.2.2 skrll { 65 1.2.2.2 skrll 66 1.2.2.2 skrll /* __PRINTK(("ldt %x\n", IDXSELN(sel))); */ 67 1.2.2.2 skrll if (sel == GSEL(GLDT_SEL, SEL_KPL)) 68 1.2.2.2 skrll xen_set_ldt((vaddr_t)ldt, NLDT); 69 1.2.2.2 skrll else 70 1.2.2.2 skrll xen_set_ldt(cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_base, 71 1.2.2.2 skrll cpu_info_primary.ci_gdt[IDXSELN(sel)].ld.ld_entries); 72 1.2.2.2 skrll } 73 1.2.2.2 skrll 74 1.2.2.2 skrll static __inline void 75 1.2.2.2 skrll ltr(u_short sel) 76 1.2.2.2 skrll { 77 1.2.2.2 skrll __PRINTK(("XXX ltr not supported\n")); 78 1.2.2.2 skrll } 79 1.2.2.2 skrll 80 1.2.2.2 skrll static __inline void 81 1.2.2.2 skrll lcr0(u_int val) 82 1.2.2.2 skrll { 83 1.2.2.2 skrll __PRINTK(("XXX lcr0 not supported\n")); 84 1.2.2.2 skrll } 85 1.2.2.2 skrll 86 1.2.2.2 skrll static __inline u_int 87 1.2.2.2 skrll rcr0(void) 88 1.2.2.2 skrll { 89 1.2.2.2 skrll __PRINTK(("XXX rcr0 not supported\n")); 90 1.2.2.2 skrll return 0; 91 1.2.2.2 skrll } 92 1.2.2.2 skrll 93 1.2.2.2 skrll #define lcr3(_v) _lcr3((_v), __FILE__, __LINE__) 94 1.2.2.2 skrll static __inline void 95 1.2.2.7 skrll _lcr3(u_int val, const char *file, int line) 96 1.2.2.2 skrll { 97 1.2.2.7 skrll int s = splvm(); 98 1.2.2.2 skrll /* __PRINTK(("lcr3 %08x at %s:%d\n", val, file, line)); */ 99 1.2.2.2 skrll xpq_queue_pt_switch(xpmap_ptom(val) & PG_FRAME); 100 1.2.2.2 skrll xpq_flush_queue(); 101 1.2.2.7 skrll splx(s); 102 1.2.2.2 skrll } 103 1.2.2.2 skrll 104 1.2.2.2 skrll static __inline void 105 1.2.2.2 skrll tlbflush(void) 106 1.2.2.2 skrll { 107 1.2.2.7 skrll int s = splvm(); 108 1.2.2.2 skrll xpq_queue_tlb_flush(); 109 1.2.2.2 skrll xpq_flush_queue(); 110 1.2.2.7 skrll splx(s); 111 1.2.2.2 skrll } 112 1.2.2.2 skrll 113 1.2.2.7 skrll #define tlbflushg() tlbflush() /* we don't use PGE */ 114 1.2.2.7 skrll 115 1.2.2.2 skrll static __inline u_int 116 1.2.2.2 skrll rdr6(void) 117 1.2.2.2 skrll { 118 1.2.2.2 skrll u_int val; 119 1.2.2.2 skrll 120 1.2.2.2 skrll val = HYPERVISOR_get_debugreg(6); 121 1.2.2.2 skrll return val; 122 1.2.2.2 skrll } 123 1.2.2.2 skrll 124 1.2.2.2 skrll static __inline void 125 1.2.2.2 skrll ldr6(u_int val) 126 1.2.2.2 skrll { 127 1.2.2.2 skrll 128 1.2.2.2 skrll HYPERVISOR_set_debugreg(6, val); 129 1.2.2.2 skrll } 130 1.2.2.2 skrll 131 1.2.2.2 skrll #endif /* _XEN_XENFUNC_H_ */ 132
Indexes created Fri Oct 03 02:09:57 GMT 2025