arch/ia64/include/asm/kvm_host.h

   1 /*
   2  * kvm_host.h: used for kvm module, and hold ia64-specific sections.
   3  *
   4  * Copyright (C) 2007, Intel Corporation.
   5  *
   6  * Xiantao Zhang <xiantao.zhang@intel.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms and conditions of the GNU General Public License,
  10  * version 2, as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  19  * Place - Suite 330, Boston, MA 02111-1307 USA.
  20  *
  21  */
  22
  23 #ifndef __ASM_KVM_HOST_H
  24 #define __ASM_KVM_HOST_H
  25
  26 #define KVM_MEMORY_SLOTS 32
  27 /* memory slots that does not exposed to userspace */
  28 #define KVM_PRIVATE_MEM_SLOTS 4
  29
  30 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
  31
  32 /* define exit reasons from vmm to kvm*/
  33 #define EXIT_REASON_VM_PANIC            0
  34 #define EXIT_REASON_MMIO_INSTRUCTION    1
  35 #define EXIT_REASON_PAL_CALL            2
  36 #define EXIT_REASON_SAL_CALL            3
  37 #define EXIT_REASON_SWITCH_RR6          4
  38 #define EXIT_REASON_VM_DESTROY          5
  39 #define EXIT_REASON_EXTERNAL_INTERRUPT  6
  40 #define EXIT_REASON_IPI                 7
  41 #define EXIT_REASON_PTC_G               8
  42 #define EXIT_REASON_DEBUG               20
  43
  44 /*Define vmm address space and vm data space.*/
  45 #define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20)
  46 #define KVM_VMM_SHIFT 24
  47 #define KVM_VMM_BASE 0xD000000000000000
  48 #define VMM_SIZE (__IA64_UL_CONST(8)<<20)
  49
  50 /*
  51  * Define vm_buffer, used by PAL Services, base address.
  52  * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M
  53  */
  54 #define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE)
  55 #define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20)
  56
  57 /*
  58  * kvm guest's data area looks as follow:
  59  *
  60  *            +----------------------+  ------- KVM_VM_DATA_SIZE
  61  *            |     vcpu[n]'s data   |   |     ___________________KVM_STK_OFFSET
  62  *            |                      |   |    /                   |
  63  *            |        ..........    |   |   /vcpu's struct&stack |
  64  *            |        ..........    |   |  /---------------------|---- 0
  65  *            |     vcpu[5]'s data   |   | /       vpd            |
  66  *            |     vcpu[4]'s data   |   |/-----------------------|
  67  *            |     vcpu[3]'s data   |   /         vtlb           |
  68  *            |     vcpu[2]'s data   |  /|------------------------|
  69  *            |     vcpu[1]'s data   |/  |         vhpt           |
  70  *            |     vcpu[0]'s data   |____________________________|
  71  *            +----------------------+   |
  72  *            |    memory dirty log  |   |
  73  *            +----------------------+   |
  74  *            |    vm's data struct  |   |
  75  *            +----------------------+   |
  76  *            |                      |   |
  77  *            |                      |   |
  78  *            |                      |   |
  79  *            |                      |   |
  80  *            |                      |   |
  81  *            |                      |   |
  82  *            |                      |   |
  83  *            |   vm's p2m table  |      |
  84  *            |                      |   |
  85  *            |                      |   |
  86  *            |                      |   |  |
  87  * vm's data->|                      |   |  |
  88  *            +----------------------+ ------- 0
  89  * To support large memory, needs to increase the size of p2m.
  90  * To support more vcpus, needs to ensure it has enough space to
  91  * hold vcpus' data.
  92  */
  93
  94 #define KVM_VM_DATA_SHIFT       26
  95 #define KVM_VM_DATA_SIZE        (__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT)
  96 #define KVM_VM_DATA_BASE        (KVM_VMM_BASE + KVM_VM_DATA_SIZE)
  97
  98 #define KVM_P2M_BASE            KVM_VM_DATA_BASE
  99 #define KVM_P2M_SIZE            (__IA64_UL_CONST(24) << 20)
 100
 101 #define VHPT_SHIFT              16
 102 #define VHPT_SIZE               (__IA64_UL_CONST(1) << VHPT_SHIFT)
 103 #define VHPT_NUM_ENTRIES        (__IA64_UL_CONST(1) << (VHPT_SHIFT-5))
 104
 105 #define VTLB_SHIFT              16
 106 #define VTLB_SIZE               (__IA64_UL_CONST(1) << VTLB_SHIFT)
 107 #define VTLB_NUM_ENTRIES        (1UL << (VHPT_SHIFT-5))
 108
 109 #define VPD_SHIFT               16
 110 #define VPD_SIZE                (__IA64_UL_CONST(1) << VPD_SHIFT)
 111
 112 #define VCPU_STRUCT_SHIFT       16
 113 #define VCPU_STRUCT_SIZE        (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
 114
 115 #define KVM_STK_OFFSET          VCPU_STRUCT_SIZE
 116
 117 #define KVM_VM_STRUCT_SHIFT     19
 118 #define KVM_VM_STRUCT_SIZE      (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)
 119
 120 #define KVM_MEM_DIRY_LOG_SHIFT  19
 121 #define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT)
 122
 123 #ifndef __ASSEMBLY__
 124
 125 /*Define the max vcpus and memory for Guests.*/
 126 #define KVM_MAX_VCPUS   (KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\
 127                         KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data)
 128 #define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT)
 129
 130 #define VMM_LOG_LEN 256
 131
 132 #include <linux/types.h>
 133 #include <linux/mm.h>
 134 #include <linux/kvm.h>
 135 #include <linux/kvm_para.h>
 136 #include <linux/kvm_types.h>
 137
 138 #include <asm/pal.h>
 139 #include <asm/sal.h>
 140 #include <asm/page.h>
 141
 142 struct kvm_vcpu_data {
 143         char vcpu_vhpt[VHPT_SIZE];
 144         char vcpu_vtlb[VTLB_SIZE];
 145         char vcpu_vpd[VPD_SIZE];
 146         char vcpu_struct[VCPU_STRUCT_SIZE];
 147 };
 148
 149 struct kvm_vm_data {
 150         char kvm_p2m[KVM_P2M_SIZE];
 151         char kvm_vm_struct[KVM_VM_STRUCT_SIZE];
 152         char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE];
 153         struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
 154 };
 155
 156 #define VCPU_BASE(n)    KVM_VM_DATA_BASE + \
 157                                 offsetof(struct kvm_vm_data, vcpu_data[n])
 158 #define VM_BASE         KVM_VM_DATA_BASE + \
 159                                 offsetof(struct kvm_vm_data, kvm_vm_struct)
 160 #define KVM_MEM_DIRTY_LOG_BASE  KVM_VM_DATA_BASE + \
 161                                 offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
 162
 163 #define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
 164 #define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
 165 #define VPD_BASE(n)  (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
 166 #define VCPU_STRUCT_BASE(n)     (VCPU_BASE(n) + \
 167                                 offsetof(struct kvm_vcpu_data, vcpu_struct))
 168
 169 /*IO section definitions*/
 170 #define IOREQ_READ      1
 171 #define IOREQ_WRITE     0
 172
 173 #define STATE_IOREQ_NONE        0
 174 #define STATE_IOREQ_READY       1
 175 #define STATE_IOREQ_INPROCESS   2
 176 #define STATE_IORESP_READY      3
 177
 178 /*Guest Physical address layout.*/
 179 #define GPFN_MEM        (0UL << 60) /* Guest pfn is normal mem */
 180 #define GPFN_FRAME_BUFFER   (1UL << 60) /* VGA framebuffer */
 181 #define GPFN_LOW_MMIO       (2UL << 60) /* Low MMIO range */
 182 #define GPFN_PIB        (3UL << 60) /* PIB base */
 183 #define GPFN_IOSAPIC        (4UL << 60) /* IOSAPIC base */
 184 #define GPFN_LEGACY_IO      (5UL << 60) /* Legacy I/O base */
 185 #define GPFN_GFW        (6UL << 60) /* Guest Firmware */
 186 #define GPFN_PHYS_MMIO      (7UL << 60) /* Directed MMIO Range */
 187
 188 #define GPFN_IO_MASK        (7UL << 60) /* Guest pfn is I/O type */
 189 #define GPFN_INV_MASK       (1UL << 63) /* Guest pfn is invalid */
 190 #define INVALID_MFN       (~0UL)
 191 #define MEM_G   (1UL << 30)
 192 #define MEM_M   (1UL << 20)
 193 #define MMIO_START       (3 * MEM_G)
 194 #define MMIO_SIZE        (512 * MEM_M)
 195 #define VGA_IO_START     0xA0000UL
 196 #define VGA_IO_SIZE      0x20000
 197 #define LEGACY_IO_START  (MMIO_START + MMIO_SIZE)
 198 #define LEGACY_IO_SIZE   (64 * MEM_M)
 199 #define IO_SAPIC_START   0xfec00000UL
 200 #define IO_SAPIC_SIZE    0x100000
 201 #define PIB_START 0xfee00000UL
 202 #define PIB_SIZE 0x200000
 203 #define GFW_START        (4 * MEM_G - 16 * MEM_M)
 204 #define GFW_SIZE         (16 * MEM_M)
 205
 206 /*Deliver mode, defined for ioapic.c*/
 207 #define dest_Fixed IOSAPIC_FIXED
 208 #define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
 209
 210 #define NMI_VECTOR                      2
 211 #define ExtINT_VECTOR                   0
 212 #define NULL_VECTOR                     (-1)
 213 #define IA64_SPURIOUS_INT_VECTOR        0x0f
 214
 215 #define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
 216
 217 /*
 218  *Delivery mode
 219  */
 220 #define SAPIC_DELIV_SHIFT      8
 221 #define SAPIC_FIXED            0x0
 222 #define SAPIC_LOWEST_PRIORITY  0x1
 223 #define SAPIC_PMI              0x2
 224 #define SAPIC_NMI              0x4
 225 #define SAPIC_INIT             0x5
 226 #define SAPIC_EXTINT           0x7
 227
 228 /*
 229  * vcpu->requests bit members for arch
 230  */
 231 #define KVM_REQ_PTC_G           32
 232 #define KVM_REQ_RESUME          33
 233
 234 #define KVM_PAGES_PER_HPAGE     1
 235
 236 struct kvm;
 237 struct kvm_vcpu;
 238 struct kvm_guest_debug{
 239 };
 240
 241 struct kvm_mmio_req {
 242         uint64_t addr;          /*  physical address            */
 243         uint64_t size;          /*  size in bytes               */
 244         uint64_t data;          /*  data (or paddr of data)     */
 245         uint8_t state:4;
 246         uint8_t dir:1;          /*  1=read, 0=write             */
 247 };
 248
 249 /*Pal data struct */
 250 struct kvm_pal_call{
 251         /*In area*/
 252         uint64_t gr28;
 253         uint64_t gr29;
 254         uint64_t gr30;
 255         uint64_t gr31;
 256         /*Out area*/
 257         struct ia64_pal_retval ret;
 258 };
 259
 260 /* Sal data structure */
 261 struct kvm_sal_call{
 262         /*In area*/
 263         uint64_t in0;
 264         uint64_t in1;
 265         uint64_t in2;
 266         uint64_t in3;
 267         uint64_t in4;
 268         uint64_t in5;
 269         uint64_t in6;
 270         uint64_t in7;
 271         struct sal_ret_values ret;
 272 };
 273
 274 /*Guest change rr6*/
 275 struct kvm_switch_rr6 {
 276         uint64_t old_rr;
 277         uint64_t new_rr;
 278 };
 279
 280 union ia64_ipi_a{
 281         unsigned long val;
 282         struct {
 283                 unsigned long rv  : 3;
 284                 unsigned long ir  : 1;
 285                 unsigned long eid : 8;
 286                 unsigned long id  : 8;
 287                 unsigned long ib_base : 44;
 288         };
 289 };
 290
 291 union ia64_ipi_d {
 292         unsigned long val;
 293         struct {
 294                 unsigned long vector : 8;
 295                 unsigned long dm  : 3;
 296                 unsigned long ig  : 53;
 297         };
 298 };
 299
 300 /*ipi check exit data*/
 301 struct kvm_ipi_data{
 302         union ia64_ipi_a addr;
 303         union ia64_ipi_d data;
 304 };
 305
 306 /*global purge data*/
 307 struct kvm_ptc_g {
 308         unsigned long vaddr;
 309         unsigned long rr;
 310         unsigned long ps;
 311         struct kvm_vcpu *vcpu;
 312 };
 313
 314 /*Exit control data */
 315 struct exit_ctl_data{
 316         uint32_t exit_reason;
 317         uint32_t vm_status;
 318         union {
 319                 struct kvm_mmio_req     ioreq;
 320                 struct kvm_pal_call     pal_data;
 321                 struct kvm_sal_call     sal_data;
 322                 struct kvm_switch_rr6   rr_data;
 323                 struct kvm_ipi_data     ipi_data;
 324                 struct kvm_ptc_g        ptc_g_data;
 325         } u;
 326 };
 327
 328 union pte_flags {
 329         unsigned long val;
 330         struct {
 331                 unsigned long p    :  1; /*0      */
 332                 unsigned long      :  1; /* 1     */
 333                 unsigned long ma   :  3; /* 2-4   */
 334                 unsigned long a    :  1; /* 5     */
 335                 unsigned long d    :  1; /* 6     */
 336                 unsigned long pl   :  2; /* 7-8   */
 337                 unsigned long ar   :  3; /* 9-11  */
 338                 unsigned long ppn  : 38; /* 12-49 */
 339                 unsigned long      :  2; /* 50-51 */
 340                 unsigned long ed   :  1; /* 52    */
 341         };
 342 };
 343
 344 union ia64_pta {
 345         unsigned long val;
 346         struct {
 347                 unsigned long ve : 1;
 348                 unsigned long reserved0 : 1;
 349                 unsigned long size : 6;
 350                 unsigned long vf : 1;
 351                 unsigned long reserved1 : 6;
 352                 unsigned long base : 49;
 353         };
 354 };
 355
 356 struct thash_cb {
 357         /* THASH base information */
 358         struct thash_data       *hash; /* hash table pointer */
 359         union ia64_pta          pta;
 360         int           num;
 361 };
 362
 363 struct kvm_vcpu_stat {
 364 };
 365
 366 struct kvm_vcpu_arch {
 367         int launched;
 368         int last_exit;
 369         int last_run_cpu;
 370         int vmm_tr_slot;
 371         int vm_tr_slot;
 372
 373 #define KVM_MP_STATE_RUNNABLE          0
 374 #define KVM_MP_STATE_UNINITIALIZED     1
 375 #define KVM_MP_STATE_INIT_RECEIVED     2
 376 #define KVM_MP_STATE_HALTED            3
 377         int mp_state;
 378
 379 #define MAX_PTC_G_NUM                   3
 380         int ptc_g_count;
 381         struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
 382
 383         /*halt timer to wake up sleepy vcpus*/
 384         struct hrtimer hlt_timer;
 385         long ht_active;
 386
 387         struct kvm_lapic *apic;    /* kernel irqchip context */
 388         struct vpd *vpd;
 389
 390         /* Exit data for vmm_transition*/
 391         struct exit_ctl_data exit_data;
 392
 393         cpumask_t cache_coherent_map;
 394
 395         unsigned long vmm_rr;
 396         unsigned long host_rr6;
 397         unsigned long psbits[8];
 398         unsigned long cr_iipa;
 399         unsigned long cr_isr;
 400         unsigned long vsa_base;
 401         unsigned long dirty_log_lock_pa;
 402         unsigned long __gp;
 403         /* TR and TC.  */
 404         struct thash_data itrs[NITRS];
 405         struct thash_data dtrs[NDTRS];
 406         /* Bit is set if there is a tr/tc for the region.  */
 407         unsigned char itr_regions;
 408         unsigned char dtr_regions;
 409         unsigned char tc_regions;
 410         /* purge all */
 411         unsigned long ptce_base;
 412         unsigned long ptce_count[2];
 413         unsigned long ptce_stride[2];
 414         /* itc/itm */
 415         unsigned long last_itc;
 416         long itc_offset;
 417         unsigned long itc_check;
 418         unsigned long timer_check;
 419         unsigned int timer_pending;
 420         unsigned int timer_fired;
 421
 422         unsigned long vrr[8];
 423         unsigned long ibr[8];
 424         unsigned long dbr[8];
 425         unsigned long insvc[4];         /* Interrupt in service.  */
 426         unsigned long xtp;
 427
 428         unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
 429         unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
 430         unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
 431         unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
 432         unsigned long fp_psr;       /*used for lazy float register */
 433         unsigned long saved_gp;
 434         /*for phycial  emulation */
 435         int mode_flags;
 436         struct thash_cb vtlb;
 437         struct thash_cb vhpt;
 438         char irq_check;
 439         char irq_new_pending;
 440
 441         unsigned long opcode;
 442         unsigned long cause;
 443         char log_buf[VMM_LOG_LEN];
 444         union context host;
 445         union context guest;
 446 };
 447
 448 struct kvm_vm_stat {
 449         u64 remote_tlb_flush;
 450 };
 451
 452 struct kvm_sal_data {
 453         unsigned long boot_ip;
 454         unsigned long boot_gp;
 455 };
 456
 457 struct kvm_arch {
 458         spinlock_t dirty_log_lock;
 459
 460         unsigned long   vm_base;
 461         unsigned long   metaphysical_rr0;
 462         unsigned long   metaphysical_rr4;
 463         unsigned long   vmm_init_rr;
 464
 465         struct kvm_ioapic *vioapic;
 466         struct kvm_vm_stat stat;
 467         struct kvm_sal_data rdv_sal_data;
 468
 469         struct list_head assigned_dev_head;
 470         struct dmar_domain *intel_iommu_domain;
 471         struct hlist_head irq_ack_notifier_list;
 472
 473         unsigned long irq_sources_bitmap;
 474         unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
 475 };
 476
 477 union cpuid3_t {
 478         u64 value;
 479         struct {
 480                 u64 number : 8;
 481                 u64 revision : 8;
 482                 u64 model : 8;
 483                 u64 family : 8;
 484                 u64 archrev : 8;
 485                 u64 rv : 24;
 486         };
 487 };
 488
 489 struct kvm_pt_regs {
 490         /* The following registers are saved by SAVE_MIN: */
 491         unsigned long b6;  /* scratch */
 492         unsigned long b7;  /* scratch */
 493
 494         unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
 495         unsigned long ar_ssd; /* reserved for future use (scratch) */
 496
 497         unsigned long r8;  /* scratch (return value register 0) */
 498         unsigned long r9;  /* scratch (return value register 1) */
 499         unsigned long r10; /* scratch (return value register 2) */
 500         unsigned long r11; /* scratch (return value register 3) */
 501
 502         unsigned long cr_ipsr; /* interrupted task's psr */
 503         unsigned long cr_iip;  /* interrupted task's instruction pointer */
 504         unsigned long cr_ifs;  /* interrupted task's function state */
 505
 506         unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
 507         unsigned long ar_pfs;  /* prev function state  */
 508         unsigned long ar_rsc;  /* RSE configuration */
 509         /* The following two are valid only if cr_ipsr.cpl > 0: */
 510         unsigned long ar_rnat;  /* RSE NaT */
 511         unsigned long ar_bspstore; /* RSE bspstore */
 512
 513         unsigned long pr;  /* 64 predicate registers (1 bit each) */
 514         unsigned long b0;  /* return pointer (bp) */
 515         unsigned long loadrs;  /* size of dirty partition << 16 */
 516
 517         unsigned long r1;  /* the gp pointer */
 518         unsigned long r12; /* interrupted task's memory stack pointer */
 519         unsigned long r13; /* thread pointer */
 520
 521         unsigned long ar_fpsr;  /* floating point status (preserved) */
 522         unsigned long r15;  /* scratch */
 523
 524         /* The remaining registers are NOT saved for system calls.  */
 525         unsigned long r14;  /* scratch */
 526         unsigned long r2;  /* scratch */
 527         unsigned long r3;  /* scratch */
 528         unsigned long r16;  /* scratch */
 529         unsigned long r17;  /* scratch */
 530         unsigned long r18;  /* scratch */
 531         unsigned long r19;  /* scratch */
 532         unsigned long r20;  /* scratch */
 533         unsigned long r21;  /* scratch */
 534         unsigned long r22;  /* scratch */
 535         unsigned long r23;  /* scratch */
 536         unsigned long r24;  /* scratch */
 537         unsigned long r25;  /* scratch */
 538         unsigned long r26;  /* scratch */
 539         unsigned long r27;  /* scratch */
 540         unsigned long r28;  /* scratch */
 541         unsigned long r29;  /* scratch */
 542         unsigned long r30;  /* scratch */
 543         unsigned long r31;  /* scratch */
 544         unsigned long ar_ccv;  /* compare/exchange value (scratch) */
 545
 546         /*
 547          * Floating point registers that the kernel considers scratch:
 548          */
 549         struct ia64_fpreg f6;  /* scratch */
 550         struct ia64_fpreg f7;  /* scratch */
 551         struct ia64_fpreg f8;  /* scratch */
 552         struct ia64_fpreg f9;  /* scratch */
 553         struct ia64_fpreg f10;  /* scratch */
 554         struct ia64_fpreg f11;  /* scratch */
 555
 556         unsigned long r4;  /* preserved */
 557         unsigned long r5;  /* preserved */
 558         unsigned long r6;  /* preserved */
 559         unsigned long r7;  /* preserved */
 560         unsigned long eml_unat;    /* used for emulating instruction */
 561         unsigned long pad0;     /* alignment pad */
 562 };
 563
 564 static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
 565 {
 566         return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1;
 567 }
 568
 569 typedef int kvm_vmm_entry(void);
 570 typedef void kvm_tramp_entry(union context *host, union context *guest);
 571
 572 struct kvm_vmm_info{
 573         struct module   *module;
 574         kvm_vmm_entry   *vmm_entry;
 575         kvm_tramp_entry *tramp_entry;
 576         unsigned long   vmm_ivt;
 577 };
 578
 579 int kvm_highest_pending_irq(struct kvm_vcpu *vcpu);
 580 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 581 int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
 582 void kvm_sal_emul(struct kvm_vcpu *vcpu);
 583
 584 static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {}
 585 #endif /* __ASSEMBLY__*/
 586
 587 #endif