/[dynamips]/trunk/vm.h
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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upstream/dynamips-0.2.6-RC1/vm.h revision 2 by dpavlin, Sat Oct 6 16:03:58 2007 UTC upstream/dynamips-0.2.8-RC1/vm.h revision 11 by dpavlin, Sat Oct 6 16:33:40 2007 UTC
# Line 1  Line 1 
1  /*  /*
2   * Cisco 7200 (Predator) simulation platform.   * Cisco router simulation platform.
3   * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr)   * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr)
4   *   *
5   * Virtual Machines.   * Virtual Machines.
# Line 10  Line 10 
10    
11  #include <pthread.h>  #include <pthread.h>
12    
 #include "mips64.h"  
13  #include "dynamips.h"  #include "dynamips.h"
14  #include "memory.h"  #include "memory.h"
15  #include "cpu.h"  #include "cpu.h"
16  #include "dev_vtty.h"  #include "dev_vtty.h"
17    #include "cisco_eeprom.h"
18    #include "cisco_card.h"
19    #include "rommon_var.h"
20    
21    #define VM_PAGE_SHIFT  12
22    #define VM_PAGE_SIZE   (1 << VM_PAGE_SHIFT)
23    #define VM_PAGE_IMASK  (VM_PAGE_SIZE - 1)
24    #define VM_PAGE_MASK   (~(VM_PAGE_IMASK))
25    
26    /* Number of pages in chunk area */
27    #define VM_CHUNK_AREA_SIZE  256
28    
29    /* VM memory chunk */
30    typedef struct vm_chunk vm_chunk_t;
31    struct vm_chunk {
32       void *area;
33       u_int page_alloc,page_total;
34       vm_chunk_t *next;
35    };
36    
37    /* VM ghost pool entry */
38    typedef struct vm_ghost_image vm_ghost_image_t;
39    struct vm_ghost_image {
40       char *filename;
41       u_int ref_count;
42       int fd;
43       off_t file_size;
44       u_char *area_ptr;
45       vm_ghost_image_t *next;
46    };
47    
48    /* Maximum number of devices per VM */
49    #define VM_DEVICE_MAX  (1 << 6)
50    
51    /* Size of the PCI bus pool */
52  #define VM_PCI_POOL_SIZE  32  #define VM_PCI_POOL_SIZE  32
53    
54  /* VM instance status */  /* VM instance status */
# Line 26  enum { Line 59  enum {
59     VM_STATUS_SUSPENDED,       /* VM is suspended */     VM_STATUS_SUSPENDED,       /* VM is suspended */
60  };  };
61    
62  /* VM types */  /* Ghost RAM status */
63  enum {  enum {
64     VM_TYPE_C7200 = 0,     VM_GHOST_RAM_NONE = 0,
65     VM_TYPE_C3600,     VM_GHOST_RAM_GENERATE,
66       VM_GHOST_RAM_USE,
67  };  };
68    
69  /* Timer IRQ check interval */  /* Timer IRQ check interval */
70  #define VM_TIMER_IRQ_CHECK_ITV  1000  #define VM_TIMER_IRQ_CHECK_ITV  1000
71    
72    /* Max slots per VM */
73    #define VM_MAX_SLOTS  16
74    
75  /* forward declarations */  /* forward declarations */
76  typedef struct vm_obj vm_obj_t;  typedef struct vm_obj vm_obj_t;
77    
# Line 52  struct vm_obj { Line 89  struct vm_obj {
89  /* VM instance */  /* VM instance */
90  struct vm_instance {  struct vm_instance {
91     char *name;     char *name;
92     int type;                       /* C7200, C3600, ... */     vm_platform_t *platform;       /* Platform specific helpers */
93     int status;                     /* Instance status */     int status;                    /* Instance status */
94     int instance_id;                /* Instance Identifier */     int instance_id;               /* Instance Identifier */
95     char *lock_file;                /* Lock file */     char *lock_file;               /* Lock file */
96     char *log_file;                 /* Log file */     char *log_file;                /* Log filename */
97     u_int ram_size,rom_size;        /* RAM and ROM size in Mb */     int log_file_enabled;          /* Logging enabled */
98     u_int iomem_size;               /* IOMEM size in Mb */     u_int ram_size,rom_size;       /* RAM and ROM size in Mb */
99     u_int nvram_size;               /* NVRAM size in Kb */     u_int iomem_size;              /* IOMEM size in Mb */
100     u_int pcmcia_disk_size[2];      /* PCMCIA disk0 and disk1 sizes (in Mb) */     u_int nvram_size;              /* NVRAM size in Kb */
101     u_int conf_reg,conf_reg_setup;  /* Config register */     u_int pcmcia_disk_size[2];     /* PCMCIA disk0 and disk1 sizes (in Mb) */
102     u_int clock_divisor;            /* Clock Divisor (see cp0.c) */     u_int conf_reg,conf_reg_setup; /* Config register */
103     u_int ram_mmap;                 /* Memory-mapped RAM ? */     u_int clock_divisor;           /* Clock Divisor (see cp0.c) */
104     u_int restart_ios;              /* Restart IOS on reload ? */     u_int ram_mmap;                /* Memory-mapped RAM ? */
105     u_int elf_machine_id;           /* ELF machine identifier */     u_int restart_ios;             /* Restart IOS on reload ? */
106     u_int exec_area_size;           /* Size of execution area for CPU */     u_int elf_machine_id;          /* ELF machine identifier */
107     m_uint32_t ios_entry_point;     /* IOS entry point */     u_int exec_area_size;          /* Size of execution area for CPU */
108     char *ios_image;                /* IOS image filename */     m_uint32_t ios_entry_point;    /* IOS entry point */
109     char *ios_config;               /* IOS configuration file */     char *ios_image;               /* IOS image filename */
110     char *rom_filename;             /* ROM filename */     char *ios_config;              /* IOS configuration file */
111     char *sym_filename;             /* Symbol filename */     char *rom_filename;            /* ROM filename */
112     FILE *lock_fd,*log_fd;          /* Lock/Log file descriptors */     char *sym_filename;            /* Symbol filename */
113     int debug_level;                /* Debugging Level */     FILE *lock_fd,*log_fd;         /* Lock/Log file descriptors */
114     int jit_use;                    /* CPUs use JIT */     int debug_level;               /* Debugging Level */
115       int jit_use;                   /* CPUs use JIT */
116       int sparse_mem;                /* Use sparse virtual memory */
117       u_int nm_iomem_size;           /* IO mem size to be passed to Smart Init */
118    
119       /* ROMMON variables */
120       struct rommon_var_list rommon_vars;
121    
122       /* Memory chunks */
123       vm_chunk_t *chunks;
124    
125     /* Basic hardware: system CPU, PCI busses and PCI I/O space */     /* Basic hardware: system CPU, PCI busses and PCI I/O space */
126     cpu_group_t *cpu_group;     cpu_group_t *cpu_group;
127     cpu_mips_t *boot_cpu;     cpu_gen_t *boot_cpu;
128     struct pci_bus *pci_bus[2];     struct pci_bus *pci_bus[2];
129     struct pci_bus *pci_bus_pool[VM_PCI_POOL_SIZE];     struct pci_bus *pci_bus_pool[VM_PCI_POOL_SIZE];
130     struct pci_io_data *pci_io_space;     struct pci_io_data *pci_io_space;
131    
132     /* Memory mapped devices */     /* Memory mapped devices */
133     struct vdevice *dev_list;     struct vdevice *dev_list;
134     struct vdevice *dev_array[MIPS64_DEVICE_MAX];     struct vdevice *dev_array[VM_DEVICE_MAX];
135    
136     /* "idling" pointer counter */     /* IRQ routing */
137     m_uint64_t idle_pc;     void (*set_irq)(vm_instance_t *vm,u_int irq);
138       void (*clear_irq)(vm_instance_t *vm,u_int irq);
139    
140       /* Slots for PA/NM/... */
141       u_int nr_slots;
142       u_int slots_type;
143       struct cisco_card *slots[VM_MAX_SLOTS];
144       struct cisco_card_driver **slots_drivers;
145       struct pci_bus *slots_pci_bus[VM_MAX_SLOTS];
146    
147       /* Filename for ghosted RAM */
148       char *ghost_ram_filename;
149      
150       /* Ghost RAM image handling */
151       int ghost_status;
152    
153     /* Timer IRQ interval check */     /* Timer IRQ interval check */
154     u_int timer_irq_check_itv;     u_int timer_irq_check_itv;
155    
156       /* "idling" pointer counter */
157       m_uint64_t idle_pc;
158    
159       /* JIT block direct jumps */
160       int exec_blk_direct_jump;
161    
162       /* IRQ idling preemption */
163       u_int irq_idle_preempt[256];
164    
165     /* Console and AUX port VTTY type and parameters */     /* Console and AUX port VTTY type and parameters */
166     int vtty_con_type,vtty_aux_type;     int vtty_con_type,vtty_aux_type;
167     int vtty_con_tcp_port,vtty_aux_tcp_port;     int vtty_con_tcp_port,vtty_aux_tcp_port;
# Line 104  struct vm_instance { Line 173  struct vm_instance {
173     /* Space reserved in NVRAM by ROM monitor */     /* Space reserved in NVRAM by ROM monitor */
174     u_int nvram_rom_space;     u_int nvram_rom_space;
175    
176     /* Extract and push IOS configuration */     /* Chassis cookie (for c2600 and maybe other routers) */
177     ssize_t (*nvram_extract_config)(vm_instance_t *vm,char **buffer);     m_uint16_t chassis_cookie[64];
    int (*nvram_push_config)(vm_instance_t *vm,char *buffer,size_t len);  
178    
179     /* Specific hardware data */     /* Specific hardware data */
180     void *hw_data;     void *hw_data;
# Line 115  struct vm_instance { Line 183  struct vm_instance {
183     struct vm_obj *vm_object_list;       struct vm_obj *vm_object_list;  
184  };  };
185    
186  #define VM_C7200(vm) ((c7200_t *)vm->hw_data)  /* VM Platform definition */
187  #define VM_C3600(vm) ((c3600_t *)vm->hw_data)  struct vm_platform {
188       char *name;
189       char *log_name;
190       char *cli_name;
191       int (*create_instance)(vm_instance_t *vm);
192       int (*delete_instance)(vm_instance_t *vm);
193       int (*init_instance)(vm_instance_t *vm);
194       int (*stop_instance)(vm_instance_t *vm);
195       ssize_t (*nvram_extract_config)(vm_instance_t *vm,u_char **buffer);
196       int (*nvram_push_config)(vm_instance_t *vm,u_char *buffer,size_t len);
197       u_int (*get_mac_addr_msb)(void);
198       void (*save_config)(vm_instance_t *vm,FILE *fd);
199       int (*cli_parse_options)(vm_instance_t *vm,int option);
200       void (*cli_show_options)(vm_instance_t *vm);
201       void (*show_spec_drivers)(void);
202    };
203    
204    /* VM platform list item */
205    struct vm_platform_list {
206       struct vm_platform_list *next;
207       struct vm_platform *platform;
208    };
209    
210  extern int vm_file_naming_type;  extern int vm_file_naming_type;
211    
212    /* Set an IRQ for a VM */
213    static inline void vm_set_irq(vm_instance_t *vm,u_int irq)
214    {
215       if (vm->set_irq != NULL)
216          vm->set_irq(vm,irq);
217    }
218    
219    /* Clear an IRQ for a VM */
220    static inline void vm_clear_irq(vm_instance_t *vm,u_int irq)
221    {
222       if (vm->clear_irq != NULL)
223          vm->clear_irq(vm,irq);
224    }
225    
226  /* Initialize a VM object */  /* Initialize a VM object */
227  void vm_object_init(vm_obj_t *obj);  void vm_object_init(vm_obj_t *obj);
228    
# Line 141  void vm_object_dump(vm_instance_t *vm); Line 244  void vm_object_dump(vm_instance_t *vm);
244  /* Get VM type */  /* Get VM type */
245  char *vm_get_type(vm_instance_t *vm);  char *vm_get_type(vm_instance_t *vm);
246    
247    /* Get MAC address MSB */
248    u_int vm_get_mac_addr_msb(vm_instance_t *vm);
249    
250  /* Generate a filename for use by the instance */  /* Generate a filename for use by the instance */
251  char *vm_build_filename(vm_instance_t *vm,char *name);  char *vm_build_filename(vm_instance_t *vm,char *name);
252    
# Line 165  int vm_create_log(vm_instance_t *vm); Line 271  int vm_create_log(vm_instance_t *vm);
271  /* Error message */  /* Error message */
272  void vm_error(vm_instance_t *vm,char *format,...);  void vm_error(vm_instance_t *vm,char *format,...);
273    
 /* Create a new VM instance */  
 vm_instance_t *vm_create(char *name,int instance_id,int machine_type);  
   
274  /* Shutdown hardware resources used by a VM */  /* Shutdown hardware resources used by a VM */
275  int vm_hardware_shutdown(vm_instance_t *vm);  int vm_hardware_shutdown(vm_instance_t *vm);
276    
# Line 180  vm_instance_t *vm_acquire(char *name); Line 283  vm_instance_t *vm_acquire(char *name);
283  /* Release a VM (decrement reference count) */  /* Release a VM (decrement reference count) */
284  int vm_release(vm_instance_t *vm);  int vm_release(vm_instance_t *vm);
285    
286    /* Initialize RAM */
287    int vm_ram_init(vm_instance_t *vm,m_uint64_t paddr);
288    
289  /* Initialize VTTY */  /* Initialize VTTY */
290  int vm_init_vtty(vm_instance_t *vm);  int vm_init_vtty(vm_instance_t *vm);
291    
# Line 213  int vm_stop(vm_instance_t *vm); Line 319  int vm_stop(vm_instance_t *vm);
319  /* Monitor an instance periodically */  /* Monitor an instance periodically */
320  void vm_monitor(vm_instance_t *vm);  void vm_monitor(vm_instance_t *vm);
321    
322    /* Allocate an host page */
323    void *vm_alloc_host_page(vm_instance_t *vm);
324    
325    /* Free an host page */
326    void vm_free_host_page(vm_instance_t *vm,void *ptr);
327    
328    /* Get a ghost image */
329    int vm_ghost_image_get(char *filename,u_char **ptr,int *fd);
330    
331    /* Release a ghost image */
332    int vm_ghost_image_release(int fd);
333    
334    /* Open a VM file and map it in memory */
335    int vm_mmap_open_file(vm_instance_t *vm,char *name,
336                          u_char **ptr,off_t *fsize);
337    
338    /* Open/Create a VM file and map it in memory */
339    int vm_mmap_create_file(vm_instance_t *vm,char *name,size_t len,u_char **ptr);
340    
341    /* Close a memory mapped file */
342    int vm_mmap_close_file(int fd,u_char *ptr,size_t len);
343    
344  /* Save the Cisco IOS configuration from NVRAM */  /* Save the Cisco IOS configuration from NVRAM */
345  int vm_ios_save_config(vm_instance_t *vm);  int vm_ios_save_config(vm_instance_t *vm);
346    
# Line 234  int vm_nvram_push_config(vm_instance_t * Line 362  int vm_nvram_push_config(vm_instance_t *
362  /* Save general VM configuration into the specified file */  /* Save general VM configuration into the specified file */
363  void vm_save_config(vm_instance_t *vm,FILE *fd);  void vm_save_config(vm_instance_t *vm,FILE *fd);
364    
365    /* Find a platform */
366    vm_platform_t *vm_platform_find(char *name);
367    
368    /* Find a platform given its CLI name */
369    vm_platform_t *vm_platform_find_cli_name(char *name);
370    
371    /* Register a platform */
372    int vm_platform_register(vm_platform_t *platform);
373    
374    /* Create an instance of the specified type */
375    vm_instance_t *vm_create_instance(char *name,int instance_id,char *type);
376    
377    /* Delete a VM instance */
378    int vm_delete_instance(char *name);
379    
380    /* Initialize a VM instance */
381    int vm_init_instance(vm_instance_t *vm);
382    
383    /* Stop a VM instance */
384    int vm_stop_instance(vm_instance_t *vm);
385    
386    /* Delete all VM instances */
387    int vm_delete_all_instances(void);
388    
389    /* Save all VM configs */
390    int vm_save_config_all(FILE *fd);
391    
392  #endif  #endif
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