qemu-kvm.h

   1 /*
   2  * qemu/kvm integration
   3  *
   4  * Copyright (C) 2006-2008 Qumranet Technologies
   5  *
   6  * Licensed under the terms of the GNU GPL version 2 or higher.
   7  */
   8 #ifndef THE_ORIGINAL_AND_TRUE_QEMU_KVM_H
   9 #define THE_ORIGINAL_AND_TRUE_QEMU_KVM_H
  10
  11 #include "cpu.h"
  12
  13 #include <signal.h>
  14 #include <stdlib.h>
  15
  16 #ifdef CONFIG_KVM
  17
  18 #if defined(__s390__)
  19 #include <asm/ptrace.h>
  20 #endif
  21
  22 #include <stdint.h>
  23
  24 #ifndef __user
  25 #define __user       /* temporary, until installed via make headers_install */
  26 #endif
  27
  28 #include <linux/kvm.h>
  29
  30 #include <signal.h>
  31
  32 /* FIXME: share this number with kvm */
  33 /* FIXME: or dynamically alloc/realloc regions */
  34 #ifdef __s390__
  35 #define KVM_MAX_NUM_MEM_REGIONS 1u
  36 #define MAX_VCPUS 64
  37 #define LIBKVM_S390_ORIGIN (0UL)
  38 #elif defined(__ia64__)
  39 #define KVM_MAX_NUM_MEM_REGIONS 32u
  40 #define MAX_VCPUS 256
  41 #else
  42 #define KVM_MAX_NUM_MEM_REGIONS 32u
  43 #define MAX_VCPUS 16
  44 #endif
  45
  46 /* kvm abi verison variable */
  47 extern int kvm_abi;
  48
  49 /**
  50  * \brief The KVM context
  51  *
  52  * The verbose KVM context
  53  */
  54
  55 struct kvm_context {
  56     void *opaque;
  57     /// is dirty pages logging enabled for all regions or not
  58     int dirty_pages_log_all;
  59     /// do not create in-kernel irqchip if set
  60     int no_irqchip_creation;
  61     /// in-kernel irqchip status
  62     int irqchip_in_kernel;
  63     /// ioctl to use to inject interrupts
  64     int irqchip_inject_ioctl;
  65     /// do not create in-kernel pit if set
  66     int no_pit_creation;
  67 #ifdef KVM_CAP_IRQ_ROUTING
  68     struct kvm_irq_routing *irq_routes;
  69     int nr_allocated_irq_routes;
  70 #endif
  71     void *used_gsi_bitmap;
  72     int max_gsi;
  73 };
  74
  75 typedef struct kvm_context *kvm_context_t;
  76
  77 #include "kvm.h"
  78 int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
  79                             void **vm_mem);
  80 int kvm_alloc_userspace_memory(kvm_context_t kvm, unsigned long memory,
  81                                void **vm_mem);
  82
  83 int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
  84                     void **vm_mem);
  85
  86 int kvm_arch_run(CPUState *env);
  87
  88
  89 void kvm_show_code(CPUState *env);
  90
  91 int handle_halt(CPUState *env);
  92
  93 int handle_shutdown(kvm_context_t kvm, CPUState *env);
  94 void post_kvm_run(kvm_context_t kvm, CPUState *env);
  95 int pre_kvm_run(kvm_context_t kvm, CPUState *env);
  96 int handle_io_window(kvm_context_t kvm);
  97 int try_push_interrupts(kvm_context_t kvm);
  98
  99 #if defined(__x86_64__) || defined(__i386__)
 100 struct kvm_x86_mce;
 101 #endif
 102
 103 /*!
 104  * \brief Disable the in-kernel IRQCHIP creation
 105  *
 106  * In-kernel irqchip is enabled by default. If userspace irqchip is to be used,
 107  * this should be called prior to kvm_create().
 108  *
 109  * \param kvm Pointer to the kvm_context
 110  */
 111 void kvm_disable_irqchip_creation(kvm_context_t kvm);
 112
 113 /*!
 114  * \brief Disable the in-kernel PIT creation
 115  *
 116  * In-kernel pit is enabled by default. If userspace pit is to be used,
 117  * this should be called prior to kvm_create().
 118  *
 119  *  \param kvm Pointer to the kvm_context
 120  */
 121 void kvm_disable_pit_creation(kvm_context_t kvm);
 122
 123 /*!
 124  * \brief Create new virtual machine
 125  *
 126  * This creates a new virtual machine, maps physical RAM to it, and creates a
 127  * virtual CPU for it.\n
 128  * \n
 129  * Memory gets mapped for addresses 0->0xA0000, 0xC0000->phys_mem_bytes
 130  *
 131  * \param kvm Pointer to the current kvm_context
 132  * \param phys_mem_bytes The amount of physical ram you want the VM to have
 133  * \param phys_mem This pointer will be set to point to the memory that
 134  * kvm_create allocates for physical RAM
 135  * \return 0 on success
 136  */
 137 int kvm_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
 138                void **phys_mem);
 139 int kvm_create_vm(kvm_context_t kvm);
 140 void kvm_create_irqchip(kvm_context_t kvm);
 141
 142 /*!
 143  * \brief Start the VCPU
 144  *
 145  * This starts the VCPU and virtualization is started.\n
 146  * \n
 147  * This function will not return until any of these conditions are met:
 148  * - An IO/MMIO handler does not return "0"
 149  * - An exception that neither the guest OS, nor KVM can handle occurs
 150  *
 151  * \note This function will call the callbacks registered in kvm_init()
 152  * to emulate those functions
 153  * \note If you at any point want to interrupt the VCPU, kvm_run() will
 154  * listen to the EINTR signal. This allows you to simulate external interrupts
 155  * and asyncronous IO.
 156  *
 157  * \param kvm Pointer to the current kvm_context
 158  * \param vcpu Which virtual CPU should be started
 159  * \return 0 on success, but you really shouldn't expect this function to
 160  * return except for when an error has occured, or when you have sent it
 161  * an EINTR signal.
 162  */
 163 int kvm_run(CPUState *env);
 164
 165 /*!
 166  * \brief Check if a vcpu is ready for interrupt injection
 167  *
 168  * This checks if vcpu interrupts are not masked by mov ss or sti.
 169  *
 170  * \param kvm Pointer to the current kvm_context
 171  * \param vcpu Which virtual CPU should get dumped
 172  * \return boolean indicating interrupt injection readiness
 173  */
 174 int kvm_is_ready_for_interrupt_injection(CPUState *env);
 175
 176 /*!
 177  * \brief Read VCPU registers
 178  *
 179  * This gets the GP registers from the VCPU and outputs them
 180  * into a kvm_regs structure
 181  *
 182  * \note This function returns a \b copy of the VCPUs registers.\n
 183  * If you wish to modify the VCPUs GP registers, you should call kvm_set_regs()
 184  *
 185  * \param kvm Pointer to the current kvm_context
 186  * \param vcpu Which virtual CPU should get dumped
 187  * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
 188  * registers values
 189  * \return 0 on success
 190  */
 191 int kvm_get_regs(CPUState *env, struct kvm_regs *regs);
 192
 193 /*!
 194  * \brief Write VCPU registers
 195  *
 196  * This sets the GP registers on the VCPU from a kvm_regs structure
 197  *
 198  * \note When this function returns, the regs pointer and the data it points to
 199  * can be discarded
 200  * \param kvm Pointer to the current kvm_context
 201  * \param vcpu Which virtual CPU should get dumped
 202  * \param regs Pointer to a kvm_regs which will be populated with the VCPUs
 203  * registers values
 204  * \return 0 on success
 205  */
 206 int kvm_set_regs(CPUState *env, struct kvm_regs *regs);
 207
 208 #ifdef KVM_CAP_MP_STATE
 209 /*!
 210  *  * \brief Read VCPU MP state
 211  *
 212  */
 213 int kvm_get_mpstate(CPUState *env, struct kvm_mp_state *mp_state);
 214
 215 /*!
 216  *  * \brief Write VCPU MP state
 217  *
 218  */
 219 int kvm_set_mpstate(CPUState *env, struct kvm_mp_state *mp_state);
 220 #endif
 221
 222 #if defined(__i386__) || defined(__x86_64__)
 223 /*!
 224  * \brief Simulate an external vectored interrupt
 225  *
 226  * This allows you to simulate an external vectored interrupt.
 227  *
 228  * \param kvm Pointer to the current kvm_context
 229  * \param vcpu Which virtual CPU should get dumped
 230  * \param irq Vector number
 231  * \return 0 on success
 232  */
 233 int kvm_inject_irq(CPUState *env, unsigned irq);
 234
 235
 236 /*!
 237  * \brief Setting the number of shadow pages to be allocated to the vm
 238  *
 239  * \param kvm pointer to kvm_context
 240  * \param nrshadow_pages number of pages to be allocated
 241  */
 242 int kvm_set_shadow_pages(kvm_context_t kvm, unsigned int nrshadow_pages);
 243
 244 /*!
 245  * \brief Getting the number of shadow pages that are allocated to the vm
 246  *
 247  * \param kvm pointer to kvm_context
 248  * \param nrshadow_pages number of pages to be allocated
 249  */
 250 int kvm_get_shadow_pages(kvm_context_t kvm, unsigned int *nrshadow_pages);
 251
 252 #endif
 253
 254 /*!
 255  * \brief Dump VCPU registers
 256  *
 257  * This dumps some of the information that KVM has about a virtual CPU, namely:
 258  * - GP Registers
 259  *
 260  * A much more verbose version of this is available as kvm_dump_vcpu()
 261  *
 262  * \param kvm Pointer to the current kvm_context
 263  * \param vcpu Which virtual CPU should get dumped
 264  * \return 0 on success
 265  */
 266 void kvm_show_regs(CPUState *env);
 267
 268
 269 void *kvm_create_phys_mem(kvm_context_t, unsigned long phys_start,
 270                           unsigned long len, int log, int writable);
 271 void kvm_destroy_phys_mem(kvm_context_t, unsigned long phys_start,
 272                           unsigned long len);
 273
 274 int kvm_is_containing_region(kvm_context_t kvm, unsigned long phys_start,
 275                              unsigned long size);
 276 int kvm_register_phys_mem(kvm_context_t kvm, unsigned long phys_start,
 277                           void *userspace_addr, unsigned long len, int log);
 278 int kvm_get_dirty_pages_range(kvm_context_t kvm, unsigned long phys_addr,
 279                               unsigned long end_addr, void *opaque,
 280                               int (*cb)(unsigned long start,
 281                                         unsigned long len, void *bitmap,
 282                                         void *opaque));
 283 int kvm_register_coalesced_mmio(kvm_context_t kvm, uint64_t addr,
 284                                 uint32_t size);
 285 int kvm_unregister_coalesced_mmio(kvm_context_t kvm, uint64_t addr,
 286                                   uint32_t size);
 287
 288 /*!
 289  * \brief Get a bitmap of guest ram pages which are allocated to the guest.
 290  *
 291  * \param kvm Pointer to the current kvm_context
 292  * \param phys_addr Memory slot phys addr
 293  * \param bitmap Long aligned address of a big enough bitmap (one bit per page)
 294  */
 295 int kvm_get_mem_map(kvm_context_t kvm, unsigned long phys_addr, void *bitmap);
 296 int kvm_get_mem_map_range(kvm_context_t kvm, unsigned long phys_addr,
 297                           unsigned long len, void *buf, void *opaque,
 298                           int (*cb)(unsigned long start,
 299                                     unsigned long len, void *bitmap,
 300                                     void *opaque));
 301 int kvm_set_irq_level(kvm_context_t kvm, int irq, int level, int *status);
 302
 303 int kvm_dirty_pages_log_enable_slot(kvm_context_t kvm, uint64_t phys_start,
 304                                     uint64_t len);
 305 int kvm_dirty_pages_log_disable_slot(kvm_context_t kvm, uint64_t phys_start,
 306                                      uint64_t len);
 307 /*!
 308  * \brief Enable dirty-pages-logging for all memory regions
 309  *
 310  * \param kvm Pointer to the current kvm_context
 311  */
 312 int kvm_dirty_pages_log_enable_all(kvm_context_t kvm);
 313
 314 /*!
 315  * \brief Disable dirty-page-logging for some memory regions
 316  *
 317  * Disable dirty-pages-logging for those memory regions that were
 318  * created with dirty-page-logging disabled.
 319  *
 320  * \param kvm Pointer to the current kvm_context
 321  */
 322 int kvm_dirty_pages_log_reset(kvm_context_t kvm);
 323
 324 #ifdef KVM_CAP_IRQCHIP
 325 /*!
 326  * \brief Dump in kernel IRQCHIP contents
 327  *
 328  * Dump one of the in kernel irq chip devices, including PIC (master/slave)
 329  * and IOAPIC into a kvm_irqchip structure
 330  *
 331  * \param kvm Pointer to the current kvm_context
 332  * \param chip The irq chip device to be dumped
 333  */
 334 int kvm_get_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
 335
 336 /*!
 337  * \brief Set in kernel IRQCHIP contents
 338  *
 339  * Write one of the in kernel irq chip devices, including PIC (master/slave)
 340  * and IOAPIC
 341  *
 342  *
 343  * \param kvm Pointer to the current kvm_context
 344  * \param chip THe irq chip device to be written
 345  */
 346 int kvm_set_irqchip(kvm_context_t kvm, struct kvm_irqchip *chip);
 347
 348 #if defined(__i386__) || defined(__x86_64__)
 349 /*!
 350  * \brief Get in kernel local APIC for vcpu
 351  *
 352  * Save the local apic state including the timer of a virtual CPU
 353  *
 354  * \param kvm Pointer to the current kvm_context
 355  * \param vcpu Which virtual CPU should be accessed
 356  * \param s Local apic state of the specific virtual CPU
 357  */
 358 int kvm_get_lapic(CPUState *env, struct kvm_lapic_state *s);
 359
 360 /*!
 361  * \brief Set in kernel local APIC for vcpu
 362  *
 363  * Restore the local apic state including the timer of a virtual CPU
 364  *
 365  * \param kvm Pointer to the current kvm_context
 366  * \param vcpu Which virtual CPU should be accessed
 367  * \param s Local apic state of the specific virtual CPU
 368  */
 369 int kvm_set_lapic(CPUState *env, struct kvm_lapic_state *s);
 370
 371 #endif
 372
 373 /*!
 374  * \brief Simulate an NMI
 375  *
 376  * This allows you to simulate a non-maskable interrupt.
 377  *
 378  * \param kvm Pointer to the current kvm_context
 379  * \param vcpu Which virtual CPU should get dumped
 380  * \return 0 on success
 381  */
 382 int kvm_inject_nmi(CPUState *env);
 383
 384 #endif
 385
 386 /*!
 387  * \brief Initialize coalesced MMIO
 388  *
 389  * Check for coalesced MMIO capability and store in context
 390  *
 391  * \param kvm Pointer to the current kvm_context
 392  */
 393 int kvm_init_coalesced_mmio(kvm_context_t kvm);
 394
 395 #ifdef KVM_CAP_PIT
 396
 397 #if defined(__i386__) || defined(__x86_64__)
 398 /*!
 399  * \brief Get in kernel PIT of the virtual domain
 400  *
 401  * Save the PIT state.
 402  *
 403  * \param kvm Pointer to the current kvm_context
 404  * \param s PIT state of the virtual domain
 405  */
 406 int kvm_get_pit(kvm_context_t kvm, struct kvm_pit_state *s);
 407
 408 /*!
 409  * \brief Set in kernel PIT of the virtual domain
 410  *
 411  * Restore the PIT state.
 412  * Timer would be retriggerred after restored.
 413  *
 414  * \param kvm Pointer to the current kvm_context
 415  * \param s PIT state of the virtual domain
 416  */
 417 int kvm_set_pit(kvm_context_t kvm, struct kvm_pit_state *s);
 418
 419 int kvm_reinject_control(kvm_context_t kvm, int pit_reinject);
 420
 421 #ifdef KVM_CAP_PIT_STATE2
 422 /*!
 423  * \brief Check for kvm support of kvm_pit_state2
 424  *
 425  * \param kvm Pointer to the current kvm_context
 426  * \return 0 on success
 427  */
 428 int kvm_has_pit_state2(kvm_context_t kvm);
 429
 430 /*!
 431  * \brief Set in kernel PIT state2 of the virtual domain
 432  *
 433  *
 434  * \param kvm Pointer to the current kvm_context
 435  * \param ps2 PIT state2 of the virtual domain
 436  * \return 0 on success
 437  */
 438 int kvm_set_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
 439
 440 /*!
 441  * \brief Get in kernel PIT state2 of the virtual domain
 442  *
 443  *
 444  * \param kvm Pointer to the current kvm_context
 445  * \param ps2 PIT state2 of the virtual domain
 446  * \return 0 on success
 447  */
 448 int kvm_get_pit2(kvm_context_t kvm, struct kvm_pit_state2 *ps2);
 449
 450 #endif
 451 #endif
 452 #endif
 453
 454 #ifdef KVM_CAP_VAPIC
 455
 456 int kvm_enable_vapic(CPUState *env, uint64_t vapic);
 457
 458 #endif
 459
 460 #if defined(__s390__)
 461 int kvm_s390_initial_reset(kvm_context_t kvm, int slot);
 462 int kvm_s390_interrupt(kvm_context_t kvm, int slot,
 463                        struct kvm_s390_interrupt *kvmint);
 464 int kvm_s390_set_initial_psw(kvm_context_t kvm, int slot, psw_t psw);
 465 int kvm_s390_store_status(kvm_context_t kvm, int slot, unsigned long addr);
 466 #endif
 467
 468 #ifdef KVM_CAP_DEVICE_ASSIGNMENT
 469 /*!
 470  * \brief Notifies host kernel about a PCI device to be assigned to a guest
 471  *
 472  * Used for PCI device assignment, this function notifies the host
 473  * kernel about the assigning of the physical PCI device to a guest.
 474  *
 475  * \param kvm Pointer to the current kvm_context
 476  * \param assigned_dev Parameters, like bus, devfn number, etc
 477  */
 478 int kvm_assign_pci_device(kvm_context_t kvm,
 479                           struct kvm_assigned_pci_dev *assigned_dev);
 480
 481 /*!
 482  * \brief Assign IRQ for an assigned device
 483  *
 484  * Used for PCI device assignment, this function assigns IRQ numbers for
 485  * an physical device and guest IRQ handling.
 486  *
 487  * \param kvm Pointer to the current kvm_context
 488  * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
 489  */
 490 int kvm_assign_irq(kvm_context_t kvm, struct kvm_assigned_irq *assigned_irq);
 491
 492 #ifdef KVM_CAP_ASSIGN_DEV_IRQ
 493 /*!
 494  * \brief Deassign IRQ for an assigned device
 495  *
 496  * Used for PCI device assignment, this function deassigns IRQ numbers
 497  * for an assigned device.
 498  *
 499  * \param kvm Pointer to the current kvm_context
 500  * \param assigned_irq Parameters, like dev id, host irq, guest irq, etc
 501  */
 502 int kvm_deassign_irq(kvm_context_t kvm, struct kvm_assigned_irq *assigned_irq);
 503 #endif
 504 #endif
 505
 506 #ifdef KVM_CAP_DEVICE_DEASSIGNMENT
 507 /*!
 508  * \brief Notifies host kernel about a PCI device to be deassigned from a guest
 509  *
 510  * Used for hot remove PCI device, this function notifies the host
 511  * kernel about the deassigning of the physical PCI device from a guest.
 512  *
 513  * \param kvm Pointer to the current kvm_context
 514  * \param assigned_dev Parameters, like bus, devfn number, etc
 515  */
 516 int kvm_deassign_pci_device(kvm_context_t kvm,
 517                             struct kvm_assigned_pci_dev *assigned_dev);
 518 #endif
 519
 520 /*!
 521  * \brief Determines the number of gsis that can be routed
 522  *
 523  * Returns the number of distinct gsis that can be routed by kvm.  This is
 524  * also the number of distinct routes (if a gsi has two routes, than another
 525  * gsi cannot be used...)
 526  *
 527  * \param kvm Pointer to the current kvm_context
 528  */
 529 int kvm_get_gsi_count(kvm_context_t kvm);
 530
 531 /*!
 532  * \brief Clears the temporary irq routing table
 533  *
 534  * Clears the temporary irq routing table.  Nothing is committed to the
 535  * running VM.
 536  *
 537  */
 538 int kvm_clear_gsi_routes(void);
 539
 540 /*!
 541  * \brief Adds an irq route to the temporary irq routing table
 542  *
 543  * Adds an irq route to the temporary irq routing table.  Nothing is
 544  * committed to the running VM.
 545  */
 546 int kvm_add_irq_route(int gsi, int irqchip, int pin);
 547
 548 /*!
 549  * \brief Removes an irq route from the temporary irq routing table
 550  *
 551  * Adds an irq route to the temporary irq routing table.  Nothing is
 552  * committed to the running VM.
 553  */
 554 int kvm_del_irq_route(int gsi, int irqchip, int pin);
 555
 556 struct kvm_irq_routing_entry;
 557 /*!
 558  * \brief Adds a routing entry to the temporary irq routing table
 559  *
 560  * Adds a filled routing entry to the temporary irq routing table. Nothing is
 561  * committed to the running VM.
 562  */
 563 int kvm_add_routing_entry(struct kvm_irq_routing_entry *entry);
 564
 565 /*!
 566  * \brief Removes a routing from the temporary irq routing table
 567  *
 568  * Remove a routing to the temporary irq routing table.  Nothing is
 569  * committed to the running VM.
 570  */
 571 int kvm_del_routing_entry(struct kvm_irq_routing_entry *entry);
 572
 573 /*!
 574  * \brief Updates a routing in the temporary irq routing table
 575  *
 576  * Update a routing in the temporary irq routing table
 577  * with a new value. entry type and GSI can not be changed.
 578  * Nothing is committed to the running VM.
 579  */
 580 int kvm_update_routing_entry(struct kvm_irq_routing_entry *entry,
 581                              struct kvm_irq_routing_entry *newentry);
 582
 583
 584 /*!
 585  * \brief Create a file descriptor for injecting interrupts
 586  *
 587  * Creates an eventfd based file-descriptor that maps to a specific GSI
 588  * in the guest.  eventfd compliant signaling (write() from userspace, or
 589  * eventfd_signal() from kernelspace) will cause the GSI to inject
 590  * itself into the guest at the next available window.
 591  *
 592  * \param kvm Pointer to the current kvm_context
 593  * \param gsi GSI to assign to this fd
 594  * \param flags reserved, must be zero
 595  */
 596 int kvm_irqfd(kvm_context_t kvm, int gsi, int flags);
 597
 598 #ifdef KVM_CAP_DEVICE_MSIX
 599 int kvm_assign_set_msix_nr(kvm_context_t kvm,
 600                            struct kvm_assigned_msix_nr *msix_nr);
 601 int kvm_assign_set_msix_entry(kvm_context_t kvm,
 602                               struct kvm_assigned_msix_entry *entry);
 603 #endif
 604
 605 #else                           /* !CONFIG_KVM */
 606
 607 typedef struct kvm_context *kvm_context_t;
 608 typedef struct kvm_vcpu_context *kvm_vcpu_context_t;
 609
 610 struct kvm_pit_state {
 611 };
 612
 613 #endif                          /* !CONFIG_KVM */
 614
 615
 616 /*!
 617  * \brief Create new KVM context
 618  *
 619  * This creates a new kvm_context. A KVM context is a small area of data that
 620  * holds information about the KVM instance that gets created by this call.\n
 621  * This should always be your first call to KVM.
 622  *
 623  * \param opaque Not used
 624  * \return NULL on failure
 625  */
 626 int kvm_init(void);
 627
 628 int kvm_main_loop(void);
 629 int kvm_init_ap(void);
 630 int kvm_vcpu_inited(CPUState *env);
 631 void kvm_save_lapic(CPUState *env);
 632 void kvm_load_lapic(CPUState *env);
 633
 634 void kvm_hpet_enable_kpit(void);
 635 void kvm_hpet_disable_kpit(void);
 636
 637 int kvm_physical_memory_set_dirty_tracking(int enable);
 638
 639 void on_vcpu(CPUState *env, void (*func)(void *data), void *data);
 640 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
 641 void qemu_kvm_cpuid_on_env(CPUState *env);
 642 void kvm_inject_interrupt(CPUState *env, int mask);
 643 void kvm_update_after_sipi(CPUState *env);
 644 void kvm_update_interrupt_request(CPUState *env);
 645 #ifndef CONFIG_USER_ONLY
 646 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr, unsigned long size,
 647                               int log, int writable);
 648
 649 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
 650                               unsigned long size);
 651 void kvm_qemu_log_memory(target_phys_addr_t start, target_phys_addr_t size,
 652                          int log);
 653 #endif
 654 int kvm_qemu_create_memory_alias(uint64_t phys_start, uint64_t len,
 655                                  uint64_t target_phys);
 656 int kvm_qemu_destroy_memory_alias(uint64_t phys_start);
 657
 658 int kvm_arch_qemu_create_context(void);
 659
 660 void kvm_arch_save_regs(CPUState *env);
 661 void kvm_arch_load_regs(CPUState *env, int level);
 662 int kvm_arch_has_work(CPUState *env);
 663 void kvm_arch_process_irqchip_events(CPUState *env);
 664 int kvm_arch_try_push_interrupts(void *opaque);
 665 void kvm_arch_push_nmi(void *opaque);
 666 void kvm_arch_cpu_reset(CPUState *env);
 667 int kvm_set_boot_cpu_id(uint32_t id);
 668
 669 void qemu_kvm_aio_wait_start(void);
 670 void qemu_kvm_aio_wait(void);
 671 void qemu_kvm_aio_wait_end(void);
 672
 673 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
 674
 675 int kvm_arch_init_irq_routing(void);
 676
 677 int kvm_mmio_read(void *opaque, uint64_t addr, uint8_t * data, int len);
 678 int kvm_mmio_write(void *opaque, uint64_t addr, uint8_t * data, int len);
 679
 680 #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 681 struct ioperm_data;
 682
 683 void kvm_ioperm(CPUState *env, void *data);
 684 void kvm_add_ioperm_data(struct ioperm_data *data);
 685 void kvm_remove_ioperm_data(unsigned long start_port, unsigned long num);
 686 void kvm_arch_do_ioperm(void *_data);
 687 #endif
 688
 689 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
 690 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
 691
 692 #ifdef CONFIG_KVM
 693 #include "qemu-queue.h"
 694
 695 extern int kvm_irqchip;
 696 extern int kvm_pit;
 697 extern int kvm_pit_reinject;
 698 extern int kvm_nested;
 699 extern kvm_context_t kvm_context;
 700
 701 struct ioperm_data {
 702     unsigned long start_port;
 703     unsigned long num;
 704     int turn_on;
 705     QLIST_ENTRY(ioperm_data) entries;
 706 };
 707
 708 void qemu_kvm_cpu_stop(CPUState *env);
 709 int kvm_arch_halt(CPUState *env);
 710 int handle_tpr_access(void *opaque, CPUState *env, uint64_t rip,
 711                       int is_write);
 712
 713 #define qemu_kvm_has_gsi_routing() kvm_has_gsi_routing()
 714 #ifdef TARGET_I386
 715 #define qemu_kvm_has_pit_state2() kvm_has_pit_state2(kvm_context)
 716 #endif
 717 #else
 718 #define kvm_nested 0
 719 #define qemu_kvm_has_gsi_routing() (0)
 720 #ifdef TARGET_I386
 721 #define qemu_kvm_has_pit_state2() (0)
 722 #endif
 723 #define qemu_kvm_cpu_stop(env) do {} while(0)
 724 #endif
 725
 726 #ifdef CONFIG_KVM
 727
 728 typedef struct KVMSlot {
 729     target_phys_addr_t start_addr;
 730     ram_addr_t memory_size;
 731     ram_addr_t phys_offset;
 732     int slot;
 733     int flags;
 734 } KVMSlot;
 735
 736 typedef struct kvm_dirty_log KVMDirtyLog;
 737
 738 struct KVMState {
 739     KVMSlot slots[32];
 740     int fd;
 741     int vmfd;
 742     int coalesced_mmio;
 743 #ifdef KVM_CAP_COALESCED_MMIO
 744     struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
 745 #endif
 746     int broken_set_mem_region;
 747     int migration_log;
 748     int vcpu_events;
 749     int robust_singlestep;
 750     int debugregs;
 751 #ifdef KVM_CAP_SET_GUEST_DEBUG
 752     QTAILQ_HEAD(, kvm_sw_breakpoint) kvm_sw_breakpoints;
 753 #endif
 754     int irqchip_in_kernel;
 755     int pit_in_kernel;
 756     int xsave, xcrs;
 757     int many_ioeventfds;
 758
 759     struct kvm_context kvm_context;
 760 };
 761
 762 extern struct KVMState *kvm_state;
 763
 764 int kvm_tpr_enable_vapic(CPUState *env);
 765
 766 unsigned long kvm_get_thread_id(void);
 767 int kvm_cpu_is_stopped(CPUState *env);
 768
 769 #endif
 770
 771 #endif