palacios/src/palacios/vmm_config.c

   1  /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
  11  * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20 #include <palacios/vmm_config.h>
  21 #include <palacios/vmm.h>
  22 #include <palacios/vmm_debug.h>
  23 #include <palacios/vmm_msr.h>
  24 #include <palacios/vmm_decoder.h>
  25 #include <palacios/vmm_profiler.h>
  26 #include <palacios/vmm_mem.h>
  27 #include <palacios/vmm_hypercall.h>
  28 #include <palacios/vmm_dev_mgr.h>
  29
  30
  31 #include <devices/generic.h>
  32 #include <devices/ide.h>
  33 #include <devices/ram_cd.h>
  34 #include <devices/net_cd.h>
  35 #include <devices/ram_hd.h>
  36 #include <devices/net_hd.h>
  37
  38
  39 #include <palacios/vmm_host_events.h>
  40
  41 #define USE_GENERIC 1
  42
  43
  44 #include <palacios/vmm_socket.h>
  45
  46
  47 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  48 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  49 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  50
  51
  52
  53
  54 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  55
  56     return length;
  57     //  memcpy((void*)guest_addr, src, length);
  58     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  59     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  60
  61     return length;
  62 }
  63
  64
  65 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  66    extern v3_cpu_arch_t v3_cpu_type;
  67
  68     // Amount of ram the Guest will have, rounded to a 4K page boundary
  69     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  70
  71
  72     // Initialize the subsystem data strutures
  73     v3_init_time(info);
  74     v3_init_io_map(info);
  75     v3_init_msr_map(info);
  76     v3_init_interrupt_state(info);
  77     v3_init_exception_state(info);
  78     v3_init_dev_mgr(info);
  79     v3_init_host_events(info);
  80
  81
  82     v3_init_decoder(info);
  83
  84     v3_init_hypercall_map(info);
  85
  86
  87     // Initialize the memory map
  88     v3_init_shadow_map(info);
  89
  90     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
  91         (config_ptr->enable_nested_paging == 1)) {
  92         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
  93         info->shdw_pg_mode = NESTED_PAGING;
  94     } else {
  95         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
  96         v3_init_shadow_page_state(info);
  97         info->shdw_pg_mode = SHADOW_PAGING;
  98     }
  99
 100     if (config_ptr->enable_profiling) {
 101         info->enable_profiler = 1;
 102         v3_init_profiler(info);
 103     } else {
 104         info->enable_profiler = 0;
 105     }
 106
 107     if (config_ptr->schedule_freq == 0) {
 108         // set the schedule frequency to 100 HZ
 109         config_ptr->schedule_freq = 100;
 110     }
 111
 112     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 113
 114     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 115
 116     // Initial CPU operating mode
 117     info->cpu_mode = REAL;
 118     info->mem_mode = PHYSICAL_MEM;
 119
 120     return 0;
 121 }
 122
 123
 124 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 125
 126     // Configure the memory map for the guest
 127     if (setup_memory_map(info, config_ptr) == -1) {
 128         PrintError("Setting up guest memory map failed...\n");
 129         return -1;
 130     }
 131
 132     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 133
 134     if (setup_devices(info, config_ptr) == -1) {
 135         PrintError("Failed to setup devices\n");
 136         return -1;
 137     }
 138
 139     info->run_state = VM_STOPPED;
 140
 141     info->vm_regs.rdi = 0;
 142     info->vm_regs.rsi = 0;
 143     info->vm_regs.rbp = 0;
 144     info->vm_regs.rsp = 0;
 145     info->vm_regs.rbx = 0;
 146     info->vm_regs.rdx = 0;
 147     info->vm_regs.rcx = 0;
 148     info->vm_regs.rax = 0;
 149
 150     return 0;
 151 }
 152
 153
 154
 155
 156
 157 /* TODO:
 158  * The amount of guest memory is stored in info->mem_size
 159  * We need to make sure the memory map extends to cover it
 160  */
 161 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 162     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 163
 164     // VGA frame buffer
 165     if (1) {
 166         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 167             PrintError("Could not map VGA framebuffer\n");
 168             return -1;
 169         }
 170     } else {
 171         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 172     }
 173
 174 #define VGABIOS_START 0x000c0000
 175 #define ROMBIOS_START 0x000f0000
 176
 177     /* layout vgabios */
 178     {
 179         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 180         memcpy(V3_VAddr((void *)vgabios_dst), config_ptr->vgabios, config_ptr->vgabios_size);
 181     }
 182
 183     /* layout rombios */
 184     {
 185         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 186         memcpy(V3_VAddr((void *)rombios_dst), config_ptr->rombios, config_ptr->rombios_size);
 187     }
 188
 189 #ifdef CRAY_XT
 190     {
 191 #define SEASTAR_START 0xffe00000
 192 #define SEASTAR_END 0xffffffff
 193         // Map the Seastar straight through
 194         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 195             PrintError("Could not map through the seastar\n");
 196             return -1;
 197         }
 198     }
 199 #endif
 200
 201     print_shadow_map(info);
 202
 203     return 0;
 204 }
 205
 206
 207
 208 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 209
 210     v3_create_device(info, "8259A", NULL);
 211     v3_create_device(info, "KEYBOARD", NULL);
 212     v3_create_device(info, "8254_PIT", NULL);
 213     v3_create_device(info, "BOCHS_DEBUG", NULL);
 214     v3_create_device(info, "OS_DEBUG", NULL);
 215     v3_create_device(info, "LAPIC", NULL);
 216     v3_create_device(info, "IOAPIC", "LAPIC");
 217     v3_create_device(info, "VMNET", NULL);
 218
 219     int use_generic = USE_GENERIC;
 220
 221     if (config_ptr->enable_pci == 1) {
 222         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 223
 224         v3_create_device(info, "PCI", NULL);
 225         v3_create_device(info, "i440FX", "PCI");
 226         v3_create_device(info, "PIIX3", "PCI");
 227
 228
 229         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 230         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 231         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 232
 233         v3_create_device(info, "IDE", &ide_config);
 234     } else {
 235         v3_create_device(info, "IDE", NULL);
 236     }
 237
 238
 239     if (config_ptr->pri_disk_type != NONE) {
 240         if (config_ptr->pri_disk_type == CDROM) {
 241             if (config_ptr->pri_disk_con == RAM) {
 242                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 243                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 244                                          config_ptr->pri_disk_info.ram.size};
 245
 246                 PrintDebug("Creating RAM CD\n");
 247
 248                 v3_create_device(info, "RAM-CD", &cfg);
 249             } else if (config_ptr->pri_disk_con == NETWORK) {
 250                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 251                                          config_ptr->pri_disk_info.net.ip_str,
 252                                          config_ptr->pri_disk_info.net.port,
 253                                          config_ptr->pri_disk_info.net.disk_name};
 254                 PrintDebug("Creating NET CD\n");
 255
 256                 v3_create_device(info, "NET-CD", &cfg);
 257             }
 258         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 259             if (config_ptr->pri_disk_con == RAM) {
 260                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 261                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 262                                          config_ptr->pri_disk_info.ram.size};
 263
 264                 PrintDebug("Creating RAM HD\n");
 265
 266                 v3_create_device(info, "RAM-HD", &cfg);
 267             } else if (config_ptr->pri_disk_con == NETWORK) {
 268                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 269                                           config_ptr->pri_disk_info.net.ip_str,
 270                                           config_ptr->pri_disk_info.net.port,
 271                                           config_ptr->pri_disk_info.net.disk_name};
 272                 PrintDebug("Creating NET HD\n");
 273                 v3_create_device(info, "NET-HD", &cfg);
 274             }
 275         }
 276     }
 277
 278
 279
 280     if (config_ptr->sec_disk_type != NONE) {
 281         if (config_ptr->sec_disk_type == CDROM) {
 282             if (config_ptr->sec_disk_con == RAM) {
 283                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 284                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 285                                          config_ptr->sec_disk_info.ram.size};
 286
 287                 PrintDebug("Creating RAM CD\n");
 288                 v3_create_device(info, "RAM-CD", &cfg);
 289             } else if (config_ptr->sec_disk_con == NETWORK) {
 290                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 291                                          config_ptr->sec_disk_info.net.ip_str,
 292                                          config_ptr->sec_disk_info.net.port,
 293                                          config_ptr->sec_disk_info.net.disk_name};
 294
 295                 PrintDebug("Creating NET CD\n");
 296                 v3_create_device(info, "NET-CD", &cfg);
 297             }
 298         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 299             if (config_ptr->sec_disk_con == RAM) {
 300                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 301                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 302                                          config_ptr->sec_disk_info.ram.size};
 303                 PrintDebug("Creating RAM HD\n");
 304                 v3_create_device(info, "RAM-HD", &cfg);
 305             } else if (config_ptr->sec_disk_con == NETWORK) {
 306                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 307                                          config_ptr->sec_disk_info.net.ip_str,
 308                                          config_ptr->sec_disk_info.net.port,
 309                                          config_ptr->sec_disk_info.net.disk_name};
 310                 PrintDebug("Creating NET HD\n");
 311                 v3_create_device(info, "NET-HD", &cfg);
 312             }
 313         }
 314     }
 315
 316
 317
 318     if (use_generic) {
 319         configure_generic(info, config_ptr);
 320     }
 321
 322     // This should go last because it requires information about the Harddrives
 323     v3_create_device(info, "NVRAM", "IDE");
 324
 325     PrintDebugDevMgr(info);
 326
 327     return 0;
 328 }
 329
 330
 331
 332
 333 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 334     PrintDebug("Creating Generic Device\n");
 335     v3_create_device(info, "GENERIC", NULL);
 336
 337
 338     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 339
 340     if (!generic) {
 341         PrintError("Could not find generic device\n");
 342         return -1;
 343     }
 344
 345     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 346
 347
 348     // Make the DMA controller invisible
 349     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 350     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 351     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 352     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 353     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 354     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 355     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 356     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 357     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 358     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 359     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 360     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 361
 362
 363
 364
 365     // Make the Serial ports invisible
 366
 367     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 368     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 369
 370
 371
 372
 373     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 374     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 375
 376
 377
 378
 379     // Make the PCI bus invisible (at least it's configuration)
 380
 381     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 382     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 383
 384
 385
 386 #if 0
 387     if (!use_ramdisk) {
 388         // Monitor the IDE controllers (very slow)
 389         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 390         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 391     }
 392
 393
 394     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 395     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 396 #endif
 397
 398
 399 #if 0
 400
 401     // Make the floppy controllers invisible
 402
 403     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 404     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 405     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 406     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 407     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 408     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 409
 410 #endif
 411
 412 #if 1
 413
 414     // Make the parallel port invisible
 415
 416     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 417
 418 #endif
 419
 420 #if 1
 421
 422     // Monitor graphics card operations
 423
 424     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 425     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 426
 427 #endif
 428
 429
 430 #if 1
 431     // Make the ISA PNP features invisible
 432
 433     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 434     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 435     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 436 #endif
 437
 438
 439 #if 1
 440     // Monitor any network card (realtek ne2000) operations
 441     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 442 #endif
 443
 444     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 445
 446     return 0;
 447 }