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.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
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.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
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_telemetry.h>
26 #include <palacios/vmm_mem.h>
27 #include <palacios/vmm_hypercall.h>
28 #include <palacios/vmm_dev_mgr.h>
29 #include <palacios/vmm_cpuid.h>
30 #include <palacios/vmm_xml.h>
32 #ifdef CONFIG_SYMBIOTIC
33 #include <palacios/vmm_sym_iface.h>
35 #ifdef CONFIG_SYMBIOTIC_SWAP
36 #include <palacios/vmm_sym_swap.h>
41 #include <devices/generic.h>
42 #include <devices/ide.h>
43 #include <devices/ram_cd.h>
44 #include <devices/net_cd.h>
45 #include <devices/ram_hd.h>
46 #include <devices/net_hd.h>
48 #include <devices/telnet_cons.h>
49 #include <devices/pci_passthrough.h>
53 static const char * test_cfg_xml = \
55 <memory>2048</memory>\n\
57 <device id=\"PCI\" />\n\
58 <device id=\"IDE\" />\n\
65 #include <palacios/vmm_host_events.h>
69 #include <palacios/vmm_socket.h>
72 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr);
73 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr);
74 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr);
78 #ifdef CONFIG_PASSTHROUGH_VIDEO
79 static int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
82 // memcpy((void*)guest_addr, src, length);
83 PrintDebug("Write of %d bytes to %p\n", length, (void *)guest_addr);
84 PrintDebug("Write Value = %p\n", (void *)*(addr_t *)src);
90 int v3_pre_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
91 extern v3_cpu_arch_t v3_cpu_types[];
96 struct v3_xml * cfg = v3_xml_parse((char *)test_cfg_xml);
97 struct v3_xml * devs = NULL;
98 struct v3_xml * tmp = NULL;
99 PrintError("Parsed XML COnfig %s\n", v3_xml_name(cfg));
101 PrintError("memory=%s\n", v3_xml_txt(v3_xml_child(cfg, "memory")));
103 devs = v3_xml_child(cfg, "devices");
105 for (tmp = v3_xml_child(devs, "device"); tmp; tmp = v3_xml_next(tmp)) {
106 PrintError("Device: %s, id=%s\n",
108 v3_xml_attr(tmp, "id"));
116 // Amount of ram the Guest will have, rounded to a 4K page boundary
117 info->mem_size = config_ptr->mem_size & ~(addr_t)0xfff;
119 info->cpu_id = config_ptr->guest_cpu;
122 * Initialize the subsystem data strutures
124 #ifdef CONFIG_TELEMETRY
125 // This should go first, because other subsystems will depend on the guest_info flag
126 if (config_ptr->enable_telemetry) {
127 info->enable_telemetry = 1;
128 v3_init_telemetry(info);
130 info->enable_telemetry = 0;
134 v3_init_hypercall_map(info);
135 v3_init_io_map(info);
136 v3_init_msr_map(info);
137 v3_init_cpuid_map(info);
138 v3_init_host_events(info);
140 // Initialize the memory map
141 if (v3_init_shadow_map(info) == -1) {
142 PrintError("Could not initialize shadow map\n");
146 if ((v3_cpu_types[info->cpu_id] == V3_SVM_REV3_CPU) &&
147 (config_ptr->enable_nested_paging == 1)) {
148 PrintDebug("Guest Page Mode: NESTED_PAGING\n");
149 info->shdw_pg_mode = NESTED_PAGING;
151 PrintDebug("Guest Page Mode: SHADOW_PAGING\n");
152 v3_init_shadow_page_state(info);
153 info->shdw_pg_mode = SHADOW_PAGING;
156 #ifdef CONFIG_SYMBIOTIC
157 v3_init_sym_iface(info);
161 v3_init_interrupt_state(info);
162 v3_init_exception_state(info);
163 v3_init_dev_mgr(info);
164 v3_init_decoder(info);
166 #ifdef CONFIG_SYMBIOTIC_SWAP
167 PrintDebug("initializing symbiotic swap\n");
168 v3_init_sym_swap(info);
172 if (config_ptr->schedule_freq == 0) {
173 // set the schedule frequency to 100 HZ
174 config_ptr->schedule_freq = 100;
177 PrintDebug("CPU_KHZ = %d, schedule_freq=%p\n", V3_CPU_KHZ(), (void *)config_ptr->schedule_freq);
179 info->yield_cycle_period = (V3_CPU_KHZ() * 1000) / config_ptr->schedule_freq;
181 // Initial CPU operating mode
182 info->cpu_mode = REAL;
183 info->mem_mode = PHYSICAL_MEM;
189 int v3_post_config_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
191 // Configure the memory map for the guest
192 if (setup_memory_map(info, config_ptr) == -1) {
193 PrintError("Setting up guest memory map failed...\n");
197 //v3_hook_io_port(info, 1234, &IO_Read, NULL, info);
199 if (setup_devices(info, config_ptr) == -1) {
200 PrintError("Failed to setup devices\n");
204 // v3_print_io_map(info);
205 v3_print_msr_map(info);
207 info->run_state = VM_STOPPED;
209 info->vm_regs.rdi = 0;
210 info->vm_regs.rsi = 0;
211 info->vm_regs.rbp = 0;
212 info->vm_regs.rsp = 0;
213 info->vm_regs.rbx = 0;
214 info->vm_regs.rdx = 0;
215 info->vm_regs.rcx = 0;
216 info->vm_regs.rax = 0;
226 * The amount of guest memory is stored in info->mem_size
227 * We need to make sure the memory map extends to cover it
229 static int setup_memory_map(struct guest_info * info, struct v3_vm_config * config_ptr) {
231 #ifdef CONFIG_PASSTHROUGH_VIDEO
232 PrintDebug("Setting up memory map (memory size=%dMB)\n", (uint_t)(info->mem_size / (1024 * 1024)));
236 if (v3_add_shadow_mem(info, 0xa0000, 0xc0000, 0xa0000) == -1) {
237 PrintError("Could not map VGA framebuffer\n");
241 v3_hook_write_mem(info, 0xa0000, 0xc0000, 0xa0000, passthrough_mem_write, NULL);
245 #define VGABIOS_START 0x000c0000
246 #define ROMBIOS_START 0x000f0000
250 extern uint8_t v3_vgabios_start[];
251 extern uint8_t v3_vgabios_end[];
253 addr_t vgabios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), VGABIOS_START);
254 memcpy(V3_VAddr((void *)vgabios_dst), v3_vgabios_start, v3_vgabios_end - v3_vgabios_start);
259 extern uint8_t v3_rombios_start[];
260 extern uint8_t v3_rombios_end[];
262 addr_t rombios_dst = v3_get_shadow_addr(&(info->mem_map.base_region), ROMBIOS_START);
263 memcpy(V3_VAddr((void *)rombios_dst), v3_rombios_start, v3_rombios_end - v3_rombios_start);
266 #ifdef CONFIG_CRAY_XT
268 #define SEASTAR_START 0xffe00000
269 #define SEASTAR_END 0xffffffff
270 // Map the Seastar straight through
271 if (v3_add_shadow_mem(info, SEASTAR_START, SEASTAR_END, SEASTAR_START) == -1) {
272 PrintError("Could not map through the seastar\n");
278 v3_print_mem_map(info);
285 static int setup_devices(struct guest_info * info, struct v3_vm_config * config_ptr) {
287 v3_create_device(info, "8259A", NULL);
288 v3_create_device(info, "KEYBOARD", NULL);
289 v3_create_device(info, "8254_PIT", NULL);
290 v3_create_device(info, "BOCHS_DEBUG", NULL);
291 v3_create_device(info, "OS_DEBUG", NULL);
292 v3_create_device(info, "LAPIC", NULL);
293 v3_create_device(info, "IOAPIC", "LAPIC");
294 v3_create_device(info, "VMNET", NULL);
297 v3_create_device(info, "CGA_VIDEO", (void *)1);
299 struct telnet_cons_cfg cons_cfg = {"CGA_VIDEO", 19997};
300 v3_create_device(info, "TELNET_CONSOLE", &cons_cfg);
303 if (config_ptr->enable_pci == 1) {
304 struct ide_cfg ide_config = {"PCI", "PIIX3"};
305 struct pci_passthrough_cfg pci_qemu_pt_cfg = {"PCI", "E1000", 0x8086, 0x100e};
306 struct pci_passthrough_cfg pci_hw_pt_cfg = {"PCI", "E1000", 0x8086, 0x107c};
308 v3_create_device(info, "PCI", NULL);
309 v3_create_device(info, "i440FX", "PCI");
310 v3_create_device(info, "PIIX3", "PCI");
313 v3_create_device(info, "LNX_VIRTIO_SYM", "PCI");
314 v3_create_device(info, "LNX_VIRTIO_BLK", "PCI");
315 v3_create_device(info, "LNX_VIRTIO_BALLOON", "PCI");
316 v3_create_device(info, "SYM_SWAP", "LNX_VIRTIO_BLK");
317 // v3_create_device(info, "TMP_BLK", "LNX_VIRTIO_BLK");
319 v3_create_device(info, "IDE", &ide_config);
321 v3_create_device(info, "PCI_PASSTHROUGH", &pci_qemu_pt_cfg);
322 v3_create_device(info, "PCI_PASSTHROUGH", &pci_hw_pt_cfg);
326 v3_create_device(info, "IDE", NULL);
330 if (config_ptr->pri_disk_type != NONE) {
331 if (config_ptr->pri_disk_type == CDROM) {
332 if (config_ptr->pri_disk_con == RAM) {
333 struct ram_cd_cfg cfg = {"IDE", 0, 0,
334 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
335 config_ptr->pri_disk_info.ram.size};
337 PrintDebug("Creating RAM CD\n");
339 v3_create_device(info, "RAM-CD", &cfg);
340 } else if (config_ptr->pri_disk_con == NETWORK) {
341 struct net_cd_cfg cfg = {"IDE", 0, 0,
342 config_ptr->pri_disk_info.net.ip_str,
343 config_ptr->pri_disk_info.net.port,
344 config_ptr->pri_disk_info.net.disk_name};
345 PrintDebug("Creating NET CD\n");
347 v3_create_device(info, "NET-CD", &cfg);
349 } else if (config_ptr->pri_disk_type == HARDDRIVE) {
350 if (config_ptr->pri_disk_con == RAM) {
351 struct ram_hd_cfg cfg = {"IDE", 0, 0,
352 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
353 config_ptr->pri_disk_info.ram.size};
355 PrintDebug("Creating RAM HD\n");
357 v3_create_device(info, "RAM-HD", &cfg);
358 } else if (config_ptr->pri_disk_con == NETWORK) {
359 struct net_hd_cfg cfg = {"IDE", 0, 0,
360 config_ptr->pri_disk_info.net.ip_str,
361 config_ptr->pri_disk_info.net.port,
362 config_ptr->pri_disk_info.net.disk_name};
363 PrintDebug("Creating NET HD\n");
364 v3_create_device(info, "NET-HD", &cfg);
367 } else if (config_ptr->pri_disk_type == VIRTIO) {
368 if (config_ptr->pri_disk_con == RAM) {
369 struct ram_hd_cfg cfg = {"LNX_VIRTIO_BLK", 0, 0,
370 (addr_t)(config_ptr->pri_disk_info.ram.data_ptr),
371 config_ptr->pri_disk_info.ram.size};
373 PrintDebug("Creating Virtio RAM HD\n");
375 v3_create_device(info, "RAM-HD", &cfg);
383 if (config_ptr->sec_disk_type != NONE) {
384 if (config_ptr->sec_disk_type == CDROM) {
385 if (config_ptr->sec_disk_con == RAM) {
386 struct ram_cd_cfg cfg = {"IDE", 0, 1,
387 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
388 config_ptr->sec_disk_info.ram.size};
390 PrintDebug("Creating RAM CD\n");
391 v3_create_device(info, "RAM-CD", &cfg);
392 } else if (config_ptr->sec_disk_con == NETWORK) {
393 struct net_cd_cfg cfg = {"IDE", 0, 1,
394 config_ptr->sec_disk_info.net.ip_str,
395 config_ptr->sec_disk_info.net.port,
396 config_ptr->sec_disk_info.net.disk_name};
398 PrintDebug("Creating NET CD\n");
399 v3_create_device(info, "NET-CD", &cfg);
401 } else if (config_ptr->sec_disk_type == HARDDRIVE) {
402 if (config_ptr->sec_disk_con == RAM) {
403 struct ram_hd_cfg cfg = {"IDE", 0, 1,
404 (addr_t)(config_ptr->sec_disk_info.ram.data_ptr),
405 config_ptr->sec_disk_info.ram.size};
406 PrintDebug("Creating RAM HD\n");
407 v3_create_device(info, "RAM-HD", &cfg);
408 } else if (config_ptr->sec_disk_con == NETWORK) {
409 struct net_hd_cfg cfg = {"IDE", 0, 1,
410 config_ptr->sec_disk_info.net.ip_str,
411 config_ptr->sec_disk_info.net.port,
412 config_ptr->sec_disk_info.net.disk_name};
413 PrintDebug("Creating NET HD\n");
414 v3_create_device(info, "NET-HD", &cfg);
421 #ifdef CONFIG_GENERIC
422 configure_generic(info, config_ptr);
425 // This should go last because it requires information about the Harddrives
426 v3_create_device(info, "NVRAM", "IDE");
428 PrintDebugDevMgr(info);
435 #ifdef CONFIG_GENERIC
436 static int configure_generic(struct guest_info * info, struct v3_vm_config * config_ptr) {
437 PrintDebug("Creating Generic Device\n");
438 v3_create_device(info, "GENERIC", NULL);
441 struct vm_device * generic = v3_find_dev(info, "GENERIC");
444 PrintError("Could not find generic device\n");
448 // port 0x92: A20 enable/disable (bit 2) (This causes an MMU flush)
451 // Make the DMA controller invisible
452 v3_generic_add_port_range(generic, 0x00, 0x07, GENERIC_PRINT_AND_IGNORE); // DMA 1 channels 0,1,2,3 (address, counter)
453 v3_generic_add_port_range(generic, 0xc0, 0xc7, GENERIC_PRINT_AND_IGNORE); // DMA 2 channels 4,5,6,7 (address, counter)
454 v3_generic_add_port_range(generic, 0x87, 0x87, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 0 page register
455 v3_generic_add_port_range(generic, 0x83, 0x83, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 1 page register
456 v3_generic_add_port_range(generic, 0x81, 0x81, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 2 page register
457 v3_generic_add_port_range(generic, 0x82, 0x82, GENERIC_PRINT_AND_IGNORE); // DMA 1 channel 3 page register
458 v3_generic_add_port_range(generic, 0x8f, 0x8f, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 4 page register
459 v3_generic_add_port_range(generic, 0x8b, 0x8b, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 5 page register
460 v3_generic_add_port_range(generic, 0x89, 0x89, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 6 page register
461 v3_generic_add_port_range(generic, 0x8a, 0x8a, GENERIC_PRINT_AND_IGNORE); // DMA 2 channel 7 page register
462 v3_generic_add_port_range(generic, 0x08, 0x0f, GENERIC_PRINT_AND_IGNORE); // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
463 v3_generic_add_port_range(generic, 0xd0, 0xde, GENERIC_PRINT_AND_IGNORE); // DMA 2 misc registers
468 // Make the Serial ports invisible
470 v3_generic_add_port_range(generic, 0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE); // COM 1
471 v3_generic_add_port_range(generic, 0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE); // COM 2
476 v3_generic_add_port_range(generic, 0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE); // COM 3
477 v3_generic_add_port_range(generic, 0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE); // COM 4
482 // Make the PCI bus invisible (at least it's configuration)
484 //v3_generic_add_port_range(generic, 0xcf8, 0xcf8, GENERIC_PRINT_AND_IGNORE); // PCI Config Address
485 //v3_generic_add_port_range(generic, 0xcfc, 0xcfc, GENERIC_PRINT_AND_IGNORE); // PCI Config Data
491 // Monitor the IDE controllers (very slow)
492 v3_generic_add_port_range(generic, 0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
493 v3_generic_add_port_range(generic, 0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 1
497 v3_generic_add_port_range(generic, 0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
498 v3_generic_add_port_range(generic, 0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH); // IDE 0
504 // Make the floppy controllers invisible
506 v3_generic_add_port_range(generic, 0x3f0, 0x3f2, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (base,statusa/statusb,DOR)
507 v3_generic_add_port_range(generic, 0x3f4, 0x3f5, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (mainstat/datarate,data)
508 v3_generic_add_port_range(generic, 0x3f7, 0x3f7, GENERIC_PRINT_AND_IGNORE); // Primary floppy controller (DIR)
509 v3_generic_add_port_range(generic, 0x370, 0x372, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (base,statusa/statusb,DOR)
510 v3_generic_add_port_range(generic, 0x374, 0x375, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (mainstat/datarate,data)
511 v3_generic_add_port_range(generic, 0x377, 0x377, GENERIC_PRINT_AND_IGNORE); // Secondary floppy controller (DIR)
517 // Make the parallel port invisible
519 v3_generic_add_port_range(generic, 0x378, 0x37f, GENERIC_PRINT_AND_IGNORE);
523 #ifdef CONFIG_PASTHROUGH_VIDEO
525 // Monitor graphics card operations
527 v3_generic_add_port_range(generic, 0x3b0, 0x3bb, GENERIC_PRINT_AND_PASSTHROUGH);
528 v3_generic_add_port_range(generic, 0x3c0, 0x3df, GENERIC_PRINT_AND_PASSTHROUGH);
534 // Make the ISA PNP features invisible
536 v3_generic_add_port_range(generic, 0x274, 0x277, GENERIC_PRINT_AND_IGNORE);
537 v3_generic_add_port_range(generic, 0x279, 0x279, GENERIC_PRINT_AND_IGNORE);
538 v3_generic_add_port_range(generic, 0xa79, 0xa79, GENERIC_PRINT_AND_IGNORE);
543 // Monitor any network card (realtek ne2000) operations
544 v3_generic_add_port_range(generic, 0xc100, 0xc1ff, GENERIC_PRINT_AND_PASSTHROUGH);
547 // v3_generic_add_port_range(generic, 0x378, 0x400, GENERIC_PRINT_AND_IGNORE);