include/asm-ia64/kvm.h

   1 #ifndef __ASM_IA64_KVM_H
   2 #define __ASM_IA64_KVM_H
   3
   4 /*
   5  * asm-ia64/kvm.h: 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 <asm/types.h>
  25
  26 #include <linux/ioctl.h>
  27
  28 /* Architectural interrupt line count. */
  29 #define KVM_NR_INTERRUPTS 256
  30
  31 #define KVM_IOAPIC_NUM_PINS  48
  32
  33 struct kvm_ioapic_state {
  34         __u64 base_address;
  35         __u32 ioregsel;
  36         __u32 id;
  37         __u32 irr;
  38         __u32 pad;
  39         union {
  40                 __u64 bits;
  41                 struct {
  42                         __u8 vector;
  43                         __u8 delivery_mode:3;
  44                         __u8 dest_mode:1;
  45                         __u8 delivery_status:1;
  46                         __u8 polarity:1;
  47                         __u8 remote_irr:1;
  48                         __u8 trig_mode:1;
  49                         __u8 mask:1;
  50                         __u8 reserve:7;
  51                         __u8 reserved[4];
  52                         __u8 dest_id;
  53                 } fields;
  54         } redirtbl[KVM_IOAPIC_NUM_PINS];
  55 };
  56
  57 #define KVM_IRQCHIP_PIC_MASTER   0
  58 #define KVM_IRQCHIP_PIC_SLAVE    1
  59 #define KVM_IRQCHIP_IOAPIC       2
  60
  61 #define KVM_CONTEXT_SIZE        8*1024
  62
  63 struct kvm_fpreg {
  64         union {
  65                 unsigned long bits[2];
  66                 long double __dummy;    /* force 16-byte alignment */
  67         } u;
  68 };
  69
  70 union context {
  71         /* 8K size */
  72         char    dummy[KVM_CONTEXT_SIZE];
  73         struct {
  74                 unsigned long       psr;
  75                 unsigned long       pr;
  76                 unsigned long       caller_unat;
  77                 unsigned long       pad;
  78                 unsigned long       gr[32];
  79                 unsigned long       ar[128];
  80                 unsigned long       br[8];
  81                 unsigned long       cr[128];
  82                 unsigned long       rr[8];
  83                 unsigned long       ibr[8];
  84                 unsigned long       dbr[8];
  85                 unsigned long       pkr[8];
  86                 struct kvm_fpreg   fr[128];
  87         };
  88 };
  89
  90 struct thash_data {
  91         union {
  92                 struct {
  93                         unsigned long p    :  1; /* 0 */
  94                         unsigned long rv1  :  1; /* 1 */
  95                         unsigned long ma   :  3; /* 2-4 */
  96                         unsigned long a    :  1; /* 5 */
  97                         unsigned long d    :  1; /* 6 */
  98                         unsigned long pl   :  2; /* 7-8 */
  99                         unsigned long ar   :  3; /* 9-11 */
 100                         unsigned long ppn  : 38; /* 12-49 */
 101                         unsigned long rv2  :  2; /* 50-51 */
 102                         unsigned long ed   :  1; /* 52 */
 103                         unsigned long ig1  : 11; /* 53-63 */
 104                 };
 105                 struct {
 106                         unsigned long __rv1 : 53;     /* 0-52 */
 107                         unsigned long contiguous : 1; /*53 */
 108                         unsigned long tc : 1;         /* 54 TR or TC */
 109                         unsigned long cl : 1;
 110                         /* 55 I side or D side cache line */
 111                         unsigned long len  :  4;      /* 56-59 */
 112                         unsigned long io  : 1;  /* 60 entry is for io or not */
 113                         unsigned long nomap : 1;
 114                         /* 61 entry cann't be inserted into machine TLB.*/
 115                         unsigned long checked : 1;
 116                         /* 62 for VTLB/VHPT sanity check */
 117                         unsigned long invalid : 1;
 118                         /* 63 invalid entry */
 119                 };
 120                 unsigned long page_flags;
 121         };                  /* same for VHPT and TLB */
 122
 123         union {
 124                 struct {
 125                         unsigned long rv3  :  2;
 126                         unsigned long ps   :  6;
 127                         unsigned long key  : 24;
 128                         unsigned long rv4  : 32;
 129                 };
 130                 unsigned long itir;
 131         };
 132         union {
 133                 struct {
 134                         unsigned long ig2  :  12;
 135                         unsigned long vpn  :  49;
 136                         unsigned long vrn  :   3;
 137                 };
 138                 unsigned long ifa;
 139                 unsigned long vadr;
 140                 struct {
 141                         unsigned long tag  :  63;
 142                         unsigned long ti   :  1;
 143                 };
 144                 unsigned long etag;
 145         };
 146         union {
 147                 struct thash_data *next;
 148                 unsigned long rid;
 149                 unsigned long gpaddr;
 150         };
 151 };
 152
 153 #define NITRS   8
 154 #define NDTRS   8
 155
 156 struct saved_vpd {
 157         unsigned long  vhpi;
 158         unsigned long  vgr[16];
 159         unsigned long  vbgr[16];
 160         unsigned long  vnat;
 161         unsigned long  vbnat;
 162         unsigned long  vcpuid[5];
 163         unsigned long  vpsr;
 164         unsigned long  vpr;
 165         unsigned long  vcr[128];
 166 };
 167
 168 struct kvm_regs {
 169         char *saved_guest;
 170         char *saved_stack;
 171         struct saved_vpd vpd;
 172         /*Arch-regs*/
 173         int mp_state;
 174         unsigned long vmm_rr;
 175         /* TR and TC.  */
 176         struct thash_data itrs[NITRS];
 177         struct thash_data dtrs[NDTRS];
 178         /* Bit is set if there is a tr/tc for the region.  */
 179         unsigned char itr_regions;
 180         unsigned char dtr_regions;
 181         unsigned char tc_regions;
 182
 183         char irq_check;
 184         unsigned long saved_itc;
 185         unsigned long itc_check;
 186         unsigned long timer_check;
 187         unsigned long timer_pending;
 188         unsigned long last_itc;
 189
 190         unsigned long vrr[8];
 191         unsigned long ibr[8];
 192         unsigned long dbr[8];
 193         unsigned long insvc[4];         /* Interrupt in service.  */
 194         unsigned long xtp;
 195
 196         unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
 197         unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
 198         unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
 199         unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
 200         unsigned long fp_psr;       /*used for lazy float register */
 201         unsigned long saved_gp;
 202         /*for phycial  emulation */
 203 };
 204
 205 struct kvm_sregs {
 206 };
 207
 208 struct kvm_fpu {
 209 };
 210
 211 #endif