1 #ifndef __ASM_IA64_KVM_H 2 #define __ASM_IA64_KVM_H 3 4 /* 5 * kvm structure definitions for ia64 6 * 7 * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com> 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms and conditions of the GNU General Public License, 11 * version 2, as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope it will be useful, but WITHOUT 14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 16 * more details. 17 * 18 * You should have received a copy of the GNU General Public License along with 19 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 20 * Place - Suite 330, Boston, MA 02111-1307 USA. 21 * 22 */ 23 24 #include <linux/types.h> 25 #include <linux/ioctl.h> 26 27 /* Select x86 specific features in <linux/kvm.h> */ 28 #define __KVM_HAVE_IOAPIC 29 #define __KVM_HAVE_DEVICE_ASSIGNMENT 30 31 /* Architectural interrupt line count. */ 32 #define KVM_NR_INTERRUPTS 256 33 34 #define KVM_IOAPIC_NUM_PINS 48 35 36 struct kvm_ioapic_state { 37 __u64 base_address; 38 __u32 ioregsel; 39 __u32 id; 40 __u32 irr; 41 __u32 pad; 42 union { 43 __u64 bits; 44 struct { 45 __u8 vector; 46 __u8 delivery_mode:3; 47 __u8 dest_mode:1; 48 __u8 delivery_status:1; 49 __u8 polarity:1; 50 __u8 remote_irr:1; 51 __u8 trig_mode:1; 52 __u8 mask:1; 53 __u8 reserve:7; 54 __u8 reserved[4]; 55 __u8 dest_id; 56 } fields; 57 } redirtbl[KVM_IOAPIC_NUM_PINS]; 58 }; 59 60 #define KVM_IRQCHIP_PIC_MASTER 0 61 #define KVM_IRQCHIP_PIC_SLAVE 1 62 #define KVM_IRQCHIP_IOAPIC 2 63 #define KVM_NR_IRQCHIPS 3 64 65 #define KVM_CONTEXT_SIZE 8*1024 66 67 struct kvm_fpreg { 68 union { 69 unsigned long bits[2]; 70 long double __dummy; /* force 16-byte alignment */ 71 } u; 72 }; 73 74 union context { 75 /* 8K size */ 76 char dummy[KVM_CONTEXT_SIZE]; 77 struct { 78 unsigned long psr; 79 unsigned long pr; 80 unsigned long caller_unat; 81 unsigned long pad; 82 unsigned long gr[32]; 83 unsigned long ar[128]; 84 unsigned long br[8]; 85 unsigned long cr[128]; 86 unsigned long rr[8]; 87 unsigned long ibr[8]; 88 unsigned long dbr[8]; 89 unsigned long pkr[8]; 90 struct kvm_fpreg fr[128]; 91 }; 92 }; 93 94 struct thash_data { 95 union { 96 struct { 97 unsigned long p : 1; /* 0 */ 98 unsigned long rv1 : 1; /* 1 */ 99 unsigned long ma : 3; /* 2-4 */ 100 unsigned long a : 1; /* 5 */ 101 unsigned long d : 1; /* 6 */ 102 unsigned long pl : 2; /* 7-8 */ 103 unsigned long ar : 3; /* 9-11 */ 104 unsigned long ppn : 38; /* 12-49 */ 105 unsigned long rv2 : 2; /* 50-51 */ 106 unsigned long ed : 1; /* 52 */ 107 unsigned long ig1 : 11; /* 53-63 */ 108 }; 109 struct { 110 unsigned long __rv1 : 53; /* 0-52 */ 111 unsigned long contiguous : 1; /*53 */ 112 unsigned long tc : 1; /* 54 TR or TC */ 113 unsigned long cl : 1; 114 /* 55 I side or D side cache line */ 115 unsigned long len : 4; /* 56-59 */ 116 unsigned long io : 1; /* 60 entry is for io or not */ 117 unsigned long nomap : 1; 118 /* 61 entry cann't be inserted into machine TLB.*/ 119 unsigned long checked : 1; 120 /* 62 for VTLB/VHPT sanity check */ 121 unsigned long invalid : 1; 122 /* 63 invalid entry */ 123 }; 124 unsigned long page_flags; 125 }; /* same for VHPT and TLB */ 126 127 union { 128 struct { 129 unsigned long rv3 : 2; 130 unsigned long ps : 6; 131 unsigned long key : 24; 132 unsigned long rv4 : 32; 133 }; 134 unsigned long itir; 135 }; 136 union { 137 struct { 138 unsigned long ig2 : 12; 139 unsigned long vpn : 49; 140 unsigned long vrn : 3; 141 }; 142 unsigned long ifa; 143 unsigned long vadr; 144 struct { 145 unsigned long tag : 63; 146 unsigned long ti : 1; 147 }; 148 unsigned long etag; 149 }; 150 union { 151 struct thash_data *next; 152 unsigned long rid; 153 unsigned long gpaddr; 154 }; 155 }; 156 157 #define NITRS 8 158 #define NDTRS 8 159 160 struct saved_vpd { 161 unsigned long vhpi; 162 unsigned long vgr[16]; 163 unsigned long vbgr[16]; 164 unsigned long vnat; 165 unsigned long vbnat; 166 unsigned long vcpuid[5]; 167 unsigned long vpsr; 168 unsigned long vpr; 169 union { 170 unsigned long vcr[128]; 171 struct { 172 unsigned long dcr; 173 unsigned long itm; 174 unsigned long iva; 175 unsigned long rsv1[5]; 176 unsigned long pta; 177 unsigned long rsv2[7]; 178 unsigned long ipsr; 179 unsigned long isr; 180 unsigned long rsv3; 181 unsigned long iip; 182 unsigned long ifa; 183 unsigned long itir; 184 unsigned long iipa; 185 unsigned long ifs; 186 unsigned long iim; 187 unsigned long iha; 188 unsigned long rsv4[38]; 189 unsigned long lid; 190 unsigned long ivr; 191 unsigned long tpr; 192 unsigned long eoi; 193 unsigned long irr[4]; 194 unsigned long itv; 195 unsigned long pmv; 196 unsigned long cmcv; 197 unsigned long rsv5[5]; 198 unsigned long lrr0; 199 unsigned long lrr1; 200 unsigned long rsv6[46]; 201 }; 202 }; 203 }; 204 205 struct kvm_regs { 206 struct saved_vpd vpd; 207 /*Arch-regs*/ 208 int mp_state; 209 unsigned long vmm_rr; 210 /* TR and TC. */ 211 struct thash_data itrs[NITRS]; 212 struct thash_data dtrs[NDTRS]; 213 /* Bit is set if there is a tr/tc for the region. */ 214 unsigned char itr_regions; 215 unsigned char dtr_regions; 216 unsigned char tc_regions; 217 218 char irq_check; 219 unsigned long saved_itc; 220 unsigned long itc_check; 221 unsigned long timer_check; 222 unsigned long timer_pending; 223 unsigned long last_itc; 224 225 unsigned long vrr[8]; 226 unsigned long ibr[8]; 227 unsigned long dbr[8]; 228 unsigned long insvc[4]; /* Interrupt in service. */ 229 unsigned long xtp; 230 231 unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */ 232 unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */ 233 unsigned long metaphysical_saved_rr0; /* from kvm_arch */ 234 unsigned long metaphysical_saved_rr4; /* from kvm_arch */ 235 unsigned long fp_psr; /*used for lazy float register */ 236 unsigned long saved_gp; 237 /*for phycial emulation */ 238 239 union context saved_guest; 240 241 unsigned long reserved[64]; /* for future use */ 242 }; 243 244 struct kvm_sregs { 245 }; 246 247 struct kvm_fpu { 248 }; 249 250 #define KVM_IA64_VCPU_STACK_SHIFT 16 251 #define KVM_IA64_VCPU_STACK_SIZE (1UL << KVM_IA64_VCPU_STACK_SHIFT) 252 253 struct kvm_ia64_vcpu_stack { 254 unsigned char stack[KVM_IA64_VCPU_STACK_SIZE]; 255 }; 256 257 struct kvm_debug_exit_arch { 258 }; 259 260 /* for KVM_SET_GUEST_DEBUG */ 261 struct kvm_guest_debug_arch { 262 }; 263 264 /* definition of registers in kvm_run */ 265 struct kvm_sync_regs { 266 }; 267 268 #endif 269