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 #ifdef CONFIG_SYMBIOTIC_SWAP
  31 #include <palacios/vmm_sym_swap.h>
  32 #endif
  33
  34
  35 #include <devices/generic.h>
  36 #include <devices/ide.h>
  37 #include <devices/ram_cd.h>
  38 #include <devices/net_cd.h>
  39 #include <devices/ram_hd.h>
  40 #include <devices/net_hd.h>
  41
  42 #include <devices/video.h>
  43
  44
  45
  46
  47 #include <palacios/vmm_host_events.h>
  48
  49
  50
  51 #include <palacios/vmm_socket.h>
  52
  53
  54 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
  55 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
  56 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
  57
  58
  59
  60 #ifndef CONFIG_VIDEO
  61 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
  62
  63     return length;
  64     //  memcpy((void*)guest_addr, src, length);
  65     PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
  66     PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
  67
  68     return length;
  69 }
  70 #endif
  71
  72 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
  73    extern v3_cpu_arch_t v3_cpu_type;
  74
  75     // Amount of ram the Guest will have, rounded to a 4K page boundary
  76     info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
  77
  78
  79     // Initialize the subsystem data strutures
  80     v3_init_time(info);
  81     v3_init_io_map(info);
  82     v3_init_msr_map(info);
  83     v3_init_interrupt_state(info);
  84     v3_init_exception_state(info);
  85     v3_init_dev_mgr(info);
  86     v3_init_host_events(info);
  87
  88
  89     v3_init_decoder(info);
  90
  91     v3_init_hypercall_map(info);
  92
  93 #ifdef CONFIG_SYMBIOTIC_SWAP
  94     v3_init_sym_swap(info);
  95 #endif
  96
  97
  98
  99     // Initialize the memory map
 100     v3_init_shadow_map(info);
 101
 102     if ((v3_cpu_type == V3_SVM_REV3_CPU) &&
 103         (config_ptr->enable_nested_paging == 1)) {
 104         PrintDebug("Guest Page Mode: NESTED_PAGING\n");
 105         info->shdw_pg_mode = NESTED_PAGING;
 106     } else {
 107         PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
 108         v3_init_shadow_page_state(info);
 109         info->shdw_pg_mode = SHADOW_PAGING;
 110     }
 111
 112 #ifdef CONFIG_PROFILE_VMM
 113     if (config_ptr->enable_profiling) {
 114         info->enable_profiler = 1;
 115         v3_init_profiler(info);
 116     } else {
 117         info->enable_profiler = 0;
 118     }
 119 #endif
 120
 121     if (config_ptr->schedule_freq == 0) {
 122         // set the schedule frequency to 100 HZ
 123         config_ptr->schedule_freq = 100;
 124     }
 125
 126     PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
 127
 128     info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
 129
 130     // Initial CPU operating mode
 131     info->cpu_mode = REAL;
 132     info->mem_mode = PHYSICAL_MEM;
 133
 134     return 0;
 135 }
 136
 137
 138 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
 139
 140     // Configure the memory map for the guest
 141     if (setup_memory_map(info, config_ptr) == -1) {
 142         PrintError("Setting up guest memory map failed...\n");
 143         return -1;
 144     }
 145
 146     //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
 147
 148     if (setup_devices(info, config_ptr) == -1) {
 149         PrintError("Failed to setup devices\n");
 150         return -1;
 151     }
 152
 153     info->run_state = VM_STOPPED;
 154
 155     info->vm_regs.rdi = 0;
 156     info->vm_regs.rsi = 0;
 157     info->vm_regs.rbp = 0;
 158     info->vm_regs.rsp = 0;
 159     info->vm_regs.rbx = 0;
 160     info->vm_regs.rdx = 0;
 161     info->vm_regs.rcx = 0;
 162     info->vm_regs.rax = 0;
 163
 164     return 0;
 165 }
 166
 167
 168
 169
 170
 171 /* TODO:
 172  * The amount of guest memory is stored in info->mem_size
 173  * We need to make sure the memory map extends to cover it
 174  */
 175 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
 176
 177 #ifndef CONFIG_VIDEO
 178     PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
 179
 180     // VGA frame buffer
 181     if (1) {
 182         if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
 183             PrintError("Could not map VGA framebuffer\n");
 184             return -1;
 185         }
 186     } else {
 187         v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000,  passthrough_mem_write, NULL);
 188     }
 189 #endif
 190
 191 #define VGABIOS_START 0x000c0000
 192 #define ROMBIOS_START 0x000f0000
 193
 194     /* layout vgabios */
 195     {
 196         extern uint8_t v3_vgabios_start[];
 197         extern uint8_t v3_vgabios_end[];
 198
 199         addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
 200         memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
 201     }
 202
 203     /* layout rombios */
 204     {
 205         extern uint8_t v3_rombios_start[];
 206         extern uint8_t v3_rombios_end[];
 207
 208         addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
 209         memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
 210     }
 211
 212 #ifdef CONFIG_CRAY_XT
 213     {
 214 #define SEASTAR_START 0xffe00000
 215 #define SEASTAR_END 0xffffffff
 216         // Map the Seastar straight through
 217         if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
 218             PrintError("Could not map through the seastar\n");
 219             return -1;
 220         }
 221     }
 222 #endif
 223
 224     print_shadow_map(info);
 225
 226     return 0;
 227 }
 228
 229
 230
 231 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
 232
 233     v3_create_device(info, "8259A", NULL);
 234     v3_create_device(info, "KEYBOARD", NULL);
 235     v3_create_device(info, "8254_PIT", NULL);
 236     v3_create_device(info, "BOCHS_DEBUG", NULL);
 237     v3_create_device(info, "OS_DEBUG", NULL);
 238     v3_create_device(info, "LAPIC", NULL);
 239     v3_create_device(info, "IOAPIC", "LAPIC");
 240     v3_create_device(info, "VMNET", NULL);
 241
 242
 243
 244     if (config_ptr->enable_pci == 1) {
 245         struct ide_cfg ide_config = {"PCI", "PIIX3"};
 246
 247         v3_create_device(info, "PCI", NULL);
 248         v3_create_device(info, "i440FX", "PCI");
 249         v3_create_device(info, "PIIX3", "PCI");
 250
 251
 252         v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
 253         v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
 254         v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
 255         v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
 256
 257         v3_create_device(info, "VIDEO", "PCI");
 258
 259         v3_create_device(info, "IDE", &ide_config);
 260     } else {
 261         v3_create_device(info, "IDE", NULL);
 262     }
 263
 264
 265     if (config_ptr->pri_disk_type != NONE) {
 266         if (config_ptr->pri_disk_type == CDROM) {
 267             if (config_ptr->pri_disk_con == RAM) {
 268                 struct ram_cd_cfg cfg = {"IDE", 0, 0,
 269                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 270                                          config_ptr->pri_disk_info.ram.size};
 271
 272                 PrintDebug("Creating RAM CD\n");
 273
 274                 v3_create_device(info, "RAM-CD", &cfg);
 275             } else if (config_ptr->pri_disk_con == NETWORK) {
 276                 struct net_cd_cfg cfg = {"IDE", 0, 0,
 277                                          config_ptr->pri_disk_info.net.ip_str,
 278                                          config_ptr->pri_disk_info.net.port,
 279                                          config_ptr->pri_disk_info.net.disk_name};
 280                 PrintDebug("Creating NET CD\n");
 281
 282                 v3_create_device(info, "NET-CD", &cfg);
 283             }
 284         } else if (config_ptr->pri_disk_type == HARDDRIVE) {
 285             if (config_ptr->pri_disk_con == RAM) {
 286                 struct ram_hd_cfg cfg = {"IDE", 0, 0,
 287                                          (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
 288                                          config_ptr->pri_disk_info.ram.size};
 289
 290                 PrintDebug("Creating RAM HD\n");
 291
 292                 v3_create_device(info, "RAM-HD", &cfg);
 293             } else if (config_ptr->pri_disk_con == NETWORK) {
 294                 struct net_hd_cfg cfg  = {"IDE", 0, 0,
 295                                           config_ptr->pri_disk_info.net.ip_str,
 296                                           config_ptr->pri_disk_info.net.port,
 297                                           config_ptr->pri_disk_info.net.disk_name};
 298                 PrintDebug("Creating NET HD\n");
 299                 v3_create_device(info, "NET-HD", &cfg);
 300             }
 301         }
 302     }
 303
 304
 305
 306     if (config_ptr->sec_disk_type != NONE) {
 307         if (config_ptr->sec_disk_type == CDROM) {
 308             if (config_ptr->sec_disk_con == RAM) {
 309                 struct ram_cd_cfg cfg = {"IDE", 0, 1,
 310                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 311                                          config_ptr->sec_disk_info.ram.size};
 312
 313                 PrintDebug("Creating RAM CD\n");
 314                 v3_create_device(info, "RAM-CD", &cfg);
 315             } else if (config_ptr->sec_disk_con == NETWORK) {
 316                 struct net_cd_cfg cfg = {"IDE", 0, 1,
 317                                          config_ptr->sec_disk_info.net.ip_str,
 318                                          config_ptr->sec_disk_info.net.port,
 319                                          config_ptr->sec_disk_info.net.disk_name};
 320
 321                 PrintDebug("Creating NET CD\n");
 322                 v3_create_device(info, "NET-CD", &cfg);
 323             }
 324         } else if (config_ptr->sec_disk_type == HARDDRIVE) {
 325             if (config_ptr->sec_disk_con == RAM) {
 326                 struct ram_hd_cfg cfg = {"IDE", 0, 1,
 327                                          (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
 328                                          config_ptr->sec_disk_info.ram.size};
 329                 PrintDebug("Creating RAM HD\n");
 330                 v3_create_device(info, "RAM-HD", &cfg);
 331             } else if (config_ptr->sec_disk_con == NETWORK) {
 332                 struct net_hd_cfg cfg = {"IDE", 0, 1,
 333                                          config_ptr->sec_disk_info.net.ip_str,
 334                                          config_ptr->sec_disk_info.net.port,
 335                                          config_ptr->sec_disk_info.net.disk_name};
 336                 PrintDebug("Creating NET HD\n");
 337                 v3_create_device(info, "NET-HD", &cfg);
 338             }
 339         }
 340     }
 341
 342
 343
 344 #ifdef CONFIG_GENERIC
 345         configure_generic(info, config_ptr);
 346 #endif
 347
 348     // This should go last because it requires information about the Harddrives
 349     v3_create_device(info, "NVRAM", "IDE");
 350
 351     PrintDebugDevMgr(info);
 352
 353     return 0;
 354 }
 355
 356
 357
 358 #ifdef CONFIG_GENERIC
 359 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
 360     PrintDebug("Creating Generic Device\n");
 361     v3_create_device(info, "GENERIC", NULL);
 362
 363
 364     struct vm_device * generic = v3_find_dev(info, "GENERIC");
 365
 366     if (!generic) {
 367         PrintError("Could not find generic device\n");
 368         return -1;
 369     }
 370
 371     // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
 372
 373
 374     // Make the DMA controller invisible
 375     v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channels 0,1,2,3 (address, counter)
 376     v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channels 4,5,6,7 (address, counter)
 377     v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 0 page register
 378     v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 1 page register
 379     v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 2 page register
 380     v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE);   // DMA 1 channel 3 page register
 381     v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 4 page register
 382     v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 5 page register
 383     v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 6 page register
 384     v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE);   // DMA 2 channel 7 page register
 385     v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE);   // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
 386     v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE);   // DMA 2 misc registers
 387
 388
 389
 390
 391     // Make the Serial ports invisible
 392
 393     v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 1
 394     v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE);      // COM 2
 395
 396
 397
 398
 399     v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 3
 400     v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE);      // COM 4
 401
 402
 403
 404
 405     // Make the PCI bus invisible (at least it's configuration)
 406
 407     //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
 408     //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
 409
 410
 411
 412 #if 0
 413     if (!use_ramdisk) {
 414         // Monitor the IDE controllers (very slow)
 415         v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 416         v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
 417     }
 418
 419
 420     v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 421     v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
 422 #endif
 423
 424
 425 #if 0
 426
 427     // Make the floppy controllers invisible
 428
 429     v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
 430     v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
 431     v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
 432     v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
 433     v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
 434     v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
 435
 436 #endif
 437
 438 #if 1
 439
 440     // Make the parallel port invisible
 441
 442     v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
 443
 444 #endif
 445
 446 #ifndef CONFIG_VIDEO
 447
 448     // Monitor graphics card operations
 449
 450     v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
 451     v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
 452
 453 #endif
 454
 455
 456 #if 1
 457     // Make the ISA PNP features invisible
 458
 459     v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
 460     v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
 461     v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
 462 #endif
 463
 464
 465 #if 1
 466     // Monitor any network card (realtek ne2000) operations
 467     v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
 468 #endif
 469
 470     //  v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);
 471
 472     return 0;
 473 }
 474 #endif