kvm/libkvm/libkvm-ia64.c

   1 /*
   2  * libkvm-ia64.c :Kernel-based Virtual Machine control library for ia64.
   3  *
   4  * This library provides an API to control the kvm hardware virtualization
   5  * module.
   6  *
   7  * Copyright (C) 2006 Qumranet
   8  *
   9  * Authors:
  10  *
  11  *  Avi Kivity <avi@qumranet.com>
  12  *  Yaniv Kamay <yaniv@qumranet.com>
  13  *
  14  * Copyright (C) 2007 Intel
  15  * Added by : Zhang Xiantao <xiantao.zhang@intel.com>
  16  *
  17  * This work is licensed under the GNU LGPL license, version 2.
  18  *
  19  */
  20
  21 #include "libkvm.h"
  22 #include "kvm-ia64.h"
  23 #include <errno.h>
  24 #include <sys/ioctl.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <stropts.h>
  28 #include <sys/mman.h>
  29 #include <stdio.h>
  30 #include <errno.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <fcntl.h>
  34 #include <stdlib.h>
  35
  36 int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
  37                                        unsigned long phys_mem_bytes,
  38                                        void **vm_mem)
  39 {
  40         int zfd;
  41
  42         zfd = open("/dev/zero", O_RDONLY);
  43         if (zfd == -1) {
  44                 perror("open /dev/zero");
  45                 return -1;
  46         }
  47         mmap(*vm_mem + 0xa8000, 0x8000, PROT_READ|PROT_WRITE,
  48              MAP_PRIVATE|MAP_FIXED, zfd, 0);
  49         close(zfd);
  50
  51         return 0;
  52 }
  53
  54
  55 int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
  56                                 void **vm_mem)
  57 {
  58         return 0;
  59 }
  60
  61 void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
  62                         unsigned long len, int log, int writable)
  63 {
  64         return NULL;
  65 }
  66
  67 int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
  68                         void **vm_mem)
  69 {
  70         int r;
  71
  72         r = kvm_init_coalesced_mmio(kvm);
  73         if (r < 0)
  74                 return r;
  75
  76         return 0;
  77 }
  78
  79 int kvm_arch_run(struct kvm_run *run,kvm_context_t kvm, int vcpu)
  80 {
  81         int r = 0;
  82
  83         switch (run->exit_reason) {
  84                 default:
  85                         r = 1;
  86                         break;
  87         }
  88
  89         return r;
  90 }
  91
  92 void kvm_show_code(kvm_context_t kvm, int vcpu)
  93 {
  94         fprintf(stderr, "kvm_show_code not supported yet!\n");
  95 }
  96
  97 void kvm_show_regs(kvm_context_t kvm, int vcpu)
  98 {
  99         fprintf(stderr,"kvm_show_regs not supportted today!\n");
 100 }