1/* 2 * Permission is hereby granted, free of charge, to any person obtaining a copy 3 * of this software and associated documentation files (the "Software"), to 4 * deal in the Software without restriction, including without limitation the 5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 6 * sell copies of the Software, and to permit persons to whom the Software is 7 * furnished to do so, subject to the following conditions: 8 * 9 * The above copyright notice and this permission notice shall be included in 10 * all copies or substantial portions of the Software. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 18 * DEALINGS IN THE SOFTWARE. 19 * 20 * Copyright (C) IBM Corp. 2005, 2006 21 * 22 * Authors: Hollis Blanchard <hollisb@us.ibm.com> 23 */ 24 25#include "xen.h" 26 27#ifndef __XEN_PUBLIC_ARCH_PPC_64_H__ 28#define __XEN_PUBLIC_ARCH_PPC_64_H__ 29 30#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \ 31 typedef struct { \ 32 int __pad[(sizeof (long long) - sizeof (void *)) / sizeof (int)]; \ 33 type *p; \ 34 } __attribute__((__aligned__(8))) __guest_handle_ ## name 35 36#define __DEFINE_XEN_GUEST_HANDLE(name, type) \ 37 ___DEFINE_XEN_GUEST_HANDLE(name, type); \ 38 ___DEFINE_XEN_GUEST_HANDLE(const_##name, const type) 39#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) 40#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name 41#define set_xen_guest_handle(hnd, val) \ 42 do { \ 43 if (sizeof ((hnd).__pad)) \ 44 (hnd).__pad[0] = 0; \ 45 (hnd).p = val; \ 46 } while (0) 47 48#ifdef __XEN_TOOLS__ 49#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0) 50#endif 51 52#ifndef __ASSEMBLY__ 53typedef unsigned long long xen_pfn_t; 54#define PRI_xen_pfn "llx" 55#endif 56 57/* 58 * Pointers and other address fields inside interface structures are padded to 59 * 64 bits. This means that field alignments aren't different between 32- and 60 * 64-bit architectures. 61 */ 62/* NB. Multi-level macro ensures __LINE__ is expanded before concatenation. */ 63#define __MEMORY_PADDING(_X) 64#define _MEMORY_PADDING(_X) __MEMORY_PADDING(_X) 65#define MEMORY_PADDING _MEMORY_PADDING(__LINE__) 66 67/* And the trap vector is... */ 68#define TRAP_INSTR "li 0,-1; sc" /* XXX just "sc"? */ 69 70#ifndef __ASSEMBLY__ 71 72#define XENCOMM_INLINE_FLAG (1UL << 63) 73 74typedef uint64_t xen_ulong_t; 75 76/* User-accessible registers: nost of these need to be saved/restored 77 * for every nested Xen invocation. */ 78struct cpu_user_regs 79{ 80 uint64_t gprs[32]; 81 uint64_t lr; 82 uint64_t ctr; 83 uint64_t srr0; 84 uint64_t srr1; 85 uint64_t pc; 86 uint64_t msr; 87 uint64_t fpscr; /* XXX Is this necessary */ 88 uint64_t xer; 89 uint64_t hid4; /* debug only */ 90 uint64_t dar; /* debug only */ 91 uint32_t dsisr; /* debug only */ 92 uint32_t cr; 93 uint32_t __pad; /* good spot for another 32bit reg */ 94 uint32_t entry_vector; 95}; 96typedef struct cpu_user_regs cpu_user_regs_t; 97 98typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ /* XXX timebase */ 99 100/* ONLY used to communicate with dom0! See also struct exec_domain. */ 101struct vcpu_guest_context { 102 cpu_user_regs_t user_regs; /* User-level CPU registers */ 103 uint64_t sdr1; /* Pagetable base */ 104 /* XXX etc */ 105}; 106typedef struct vcpu_guest_context vcpu_guest_context_t; 107DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t); 108 109struct arch_shared_info { 110 uint64_t boot_timebase; 111}; 112 113struct arch_vcpu_info { 114}; 115 116/* Support for multi-processor guests. */ 117#define MAX_VIRT_CPUS 32 118#endif 119 120#endif 121