arch/ia64/include/asm/kvm.h

   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
  64 #define KVM_CONTEXT_SIZE        8*1024
  65
  66 struct kvm_fpreg {
  67         union {
  68                 unsigned long bits[2];
  69                 long double __dummy;    /* force 16-byte alignment */
  70         } u;
  71 };
  72
  73 union context {
  74         /* 8K size */
  75         char    dummy[KVM_CONTEXT_SIZE];
  76         struct {
  77                 unsigned long       psr;
  78                 unsigned long       pr;
  79                 unsigned long       caller_unat;
  80                 unsigned long       pad;
  81                 unsigned long       gr[32];
  82                 unsigned long       ar[128];
  83                 unsigned long       br[8];
  84                 unsigned long       cr[128];
  85                 unsigned long       rr[8];
  86                 unsigned long       ibr[8];
  87                 unsigned long       dbr[8];
  88                 unsigned long       pkr[8];
  89                 struct kvm_fpreg   fr[128];
  90         };
  91 };
  92
  93 struct thash_data {
  94         union {
  95                 struct {
  96                         unsigned long p    :  1; /* 0 */
  97                         unsigned long rv1  :  1; /* 1 */
  98                         unsigned long ma   :  3; /* 2-4 */
  99                         unsigned long a    :  1; /* 5 */
 100                         unsigned long d    :  1; /* 6 */
 101                         unsigned long pl   :  2; /* 7-8 */
 102                         unsigned long ar   :  3; /* 9-11 */
 103                         unsigned long ppn  : 38; /* 12-49 */
 104                         unsigned long rv2  :  2; /* 50-51 */
 105                         unsigned long ed   :  1; /* 52 */
 106                         unsigned long ig1  : 11; /* 53-63 */
 107                 };
 108                 struct {
 109                         unsigned long __rv1 : 53;     /* 0-52 */
 110                         unsigned long contiguous : 1; /*53 */
 111                         unsigned long tc : 1;         /* 54 TR or TC */
 112                         unsigned long cl : 1;
 113                         /* 55 I side or D side cache line */
 114                         unsigned long len  :  4;      /* 56-59 */
 115                         unsigned long io  : 1;  /* 60 entry is for io or not */
 116                         unsigned long nomap : 1;
 117                         /* 61 entry cann't be inserted into machine TLB.*/
 118                         unsigned long checked : 1;
 119                         /* 62 for VTLB/VHPT sanity check */
 120                         unsigned long invalid : 1;
 121                         /* 63 invalid entry */
 122                 };
 123                 unsigned long page_flags;
 124         };                  /* same for VHPT and TLB */
 125
 126         union {
 127                 struct {
 128                         unsigned long rv3  :  2;
 129                         unsigned long ps   :  6;
 130                         unsigned long key  : 24;
 131                         unsigned long rv4  : 32;
 132                 };
 133                 unsigned long itir;
 134         };
 135         union {
 136                 struct {
 137                         unsigned long ig2  :  12;
 138                         unsigned long vpn  :  49;
 139                         unsigned long vrn  :   3;
 140                 };
 141                 unsigned long ifa;
 142                 unsigned long vadr;
 143                 struct {
 144                         unsigned long tag  :  63;
 145                         unsigned long ti   :  1;
 146                 };
 147                 unsigned long etag;
 148         };
 149         union {
 150                 struct thash_data *next;
 151                 unsigned long rid;
 152                 unsigned long gpaddr;
 153         };
 154 };
 155
 156 #define NITRS   8
 157 #define NDTRS   8
 158
 159 struct saved_vpd {
 160         unsigned long  vhpi;
 161         unsigned long  vgr[16];
 162         unsigned long  vbgr[16];
 163         unsigned long  vnat;
 164         unsigned long  vbnat;
 165         unsigned long  vcpuid[5];
 166         unsigned long  vpsr;
 167         unsigned long  vpr;
 168         unsigned long  vcr[128];
 169 };
 170
 171 struct kvm_regs {
 172         struct saved_vpd vpd;
 173         /*Arch-regs*/
 174         int mp_state;
 175         unsigned long vmm_rr;
 176         /* TR and TC.  */
 177         struct thash_data itrs[NITRS];
 178         struct thash_data dtrs[NDTRS];
 179         /* Bit is set if there is a tr/tc for the region.  */
 180         unsigned char itr_regions;
 181         unsigned char dtr_regions;
 182         unsigned char tc_regions;
 183
 184         char irq_check;
 185         unsigned long saved_itc;
 186         unsigned long itc_check;
 187         unsigned long timer_check;
 188         unsigned long timer_pending;
 189         unsigned long last_itc;
 190
 191         unsigned long vrr[8];
 192         unsigned long ibr[8];
 193         unsigned long dbr[8];
 194         unsigned long insvc[4];         /* Interrupt in service.  */
 195         unsigned long xtp;
 196
 197         unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
 198         unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
 199         unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
 200         unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
 201         unsigned long fp_psr;       /*used for lazy float register */
 202         unsigned long saved_gp;
 203         /*for phycial  emulation */
 204
 205         union context saved_guest;
 206
 207         unsigned long reserved[64];     /* for future use */
 208 };
 209
 210 struct kvm_sregs {
 211 };
 212
 213 struct kvm_fpu {
 214 };
 215
 216 #endif