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 #include <asm/fpu.h>
  26
  27 #include <linux/ioctl.h>
  28
  29 /* Architectural interrupt line count. */
  30 #define KVM_NR_INTERRUPTS 256
  31
  32 #define KVM_IOAPIC_NUM_PINS  24
  33
  34 struct kvm_ioapic_state {
  35         __u64 base_address;
  36         __u32 ioregsel;
  37         __u32 id;
  38         __u32 irr;
  39         __u32 pad;
  40         union {
  41                 __u64 bits;
  42                 struct {
  43                         __u8 vector;
  44                         __u8 delivery_mode:3;
  45                         __u8 dest_mode:1;
  46                         __u8 delivery_status:1;
  47                         __u8 polarity:1;
  48                         __u8 remote_irr:1;
  49                         __u8 trig_mode:1;
  50                         __u8 mask:1;
  51                         __u8 reserve:7;
  52                         __u8 reserved[4];
  53                         __u8 dest_id;
  54                 } fields;
  55         } redirtbl[KVM_IOAPIC_NUM_PINS];
  56 };
  57
  58 #define KVM_IRQCHIP_PIC_MASTER   0
  59 #define KVM_IRQCHIP_PIC_SLAVE    1
  60 #define KVM_IRQCHIP_IOAPIC       2
  61
  62 #define KVM_CONTEXT_SIZE        8*1024
  63
  64 union context {
  65         /* 8K size */
  66         char    dummy[KVM_CONTEXT_SIZE];
  67         struct {
  68                 unsigned long       psr;
  69                 unsigned long       pr;
  70                 unsigned long       caller_unat;
  71                 unsigned long       pad;
  72                 unsigned long       gr[32];
  73                 unsigned long       ar[128];
  74                 unsigned long       br[8];
  75                 unsigned long       cr[128];
  76                 unsigned long       rr[8];
  77                 unsigned long       ibr[8];
  78                 unsigned long       dbr[8];
  79                 unsigned long       pkr[8];
  80                 struct ia64_fpreg   fr[128];
  81         };
  82 };
  83
  84 struct thash_data {
  85         union {
  86                 struct {
  87                         unsigned long p    :  1; /* 0 */
  88                         unsigned long rv1  :  1; /* 1 */
  89                         unsigned long ma   :  3; /* 2-4 */
  90                         unsigned long a    :  1; /* 5 */
  91                         unsigned long d    :  1; /* 6 */
  92                         unsigned long pl   :  2; /* 7-8 */
  93                         unsigned long ar   :  3; /* 9-11 */
  94                         unsigned long ppn  : 38; /* 12-49 */
  95                         unsigned long rv2  :  2; /* 50-51 */
  96                         unsigned long ed   :  1; /* 52 */
  97                         unsigned long ig1  : 11; /* 53-63 */
  98                 };
  99                 struct {
 100                         unsigned long __rv1 : 53;     /* 0-52 */
 101                         unsigned long contiguous : 1; /*53 */
 102                         unsigned long tc : 1;         /* 54 TR or TC */
 103                         unsigned long cl : 1;
 104                         /* 55 I side or D side cache line */
 105                         unsigned long len  :  4;      /* 56-59 */
 106                         unsigned long io  : 1;  /* 60 entry is for io or not */
 107                         unsigned long nomap : 1;
 108                         /* 61 entry cann't be inserted into machine TLB.*/
 109                         unsigned long checked : 1;
 110                         /* 62 for VTLB/VHPT sanity check */
 111                         unsigned long invalid : 1;
 112                         /* 63 invalid entry */
 113                 };
 114                 unsigned long page_flags;
 115         };                  /* same for VHPT and TLB */
 116
 117         union {
 118                 struct {
 119                         unsigned long rv3  :  2;
 120                         unsigned long ps   :  6;
 121                         unsigned long key  : 24;
 122                         unsigned long rv4  : 32;
 123                 };
 124                 unsigned long itir;
 125         };
 126         union {
 127                 struct {
 128                         unsigned long ig2  :  12;
 129                         unsigned long vpn  :  49;
 130                         unsigned long vrn  :   3;
 131                 };
 132                 unsigned long ifa;
 133                 unsigned long vadr;
 134                 struct {
 135                         unsigned long tag  :  63;
 136                         unsigned long ti   :  1;
 137                 };
 138                 unsigned long etag;
 139         };
 140         union {
 141                 struct thash_data *next;
 142                 unsigned long rid;
 143                 unsigned long gpaddr;
 144         };
 145 };
 146
 147 #define NITRS   8
 148 #define NDTRS   8
 149
 150 struct saved_vpd {
 151         unsigned long  vhpi;
 152         unsigned long  vgr[16];
 153         unsigned long  vbgr[16];
 154         unsigned long  vnat;
 155         unsigned long  vbnat;
 156         unsigned long  vcpuid[5];
 157         unsigned long  vpsr;
 158         unsigned long  vpr;
 159         unsigned long  vcr[128];
 160 };
 161
 162 struct kvm_regs {
 163         char *saved_guest;
 164         char *saved_stack;
 165         struct saved_vpd vpd;
 166         /*Arch-regs*/
 167         int mp_state;
 168         unsigned long vmm_rr;
 169         /* TR and TC.  */
 170         struct thash_data itrs[NITRS];
 171         struct thash_data dtrs[NDTRS];
 172         /* Bit is set if there is a tr/tc for the region.  */
 173         unsigned char itr_regions;
 174         unsigned char dtr_regions;
 175         unsigned char tc_regions;
 176
 177         char irq_check;
 178         unsigned long saved_itc;
 179         unsigned long itc_check;
 180         unsigned long timer_check;
 181         unsigned long timer_pending;
 182         unsigned long last_itc;
 183
 184         unsigned long vrr[8];
 185         unsigned long ibr[8];
 186         unsigned long dbr[8];
 187         unsigned long insvc[4];         /* Interrupt in service.  */
 188         unsigned long xtp;
 189
 190         unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
 191         unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
 192         unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
 193         unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
 194         unsigned long fp_psr;       /*used for lazy float register */
 195         unsigned long saved_gp;
 196         /*for phycial  emulation */
 197 };
 198
 199 struct kvm_sregs {
 200 };
 201
 202 struct kvm_fpu {
 203 };
 204
 205 #endif