--- upstream/dynamips-0.2.6-RC2/vm.h 2007/10/06 16:05:34 3 +++ upstream/dynamips-0.2.7/vm.h 2007/10/06 16:29:14 10 @@ -1,5 +1,5 @@ /* - * Cisco 7200 (Predator) simulation platform. + * Cisco router simulation platform. * Copyright (c) 2005,2006 Christophe Fillot (cf@utc.fr) * * Virtual Machines. @@ -10,12 +10,42 @@ #include -#include "mips64.h" #include "dynamips.h" #include "memory.h" #include "cpu.h" #include "dev_vtty.h" +#define VM_PAGE_SHIFT 12 +#define VM_PAGE_SIZE (1 << VM_PAGE_SHIFT) +#define VM_PAGE_IMASK (VM_PAGE_SIZE - 1) +#define VM_PAGE_MASK (~(VM_PAGE_IMASK)) + +/* Number of pages in chunk area */ +#define VM_CHUNK_AREA_SIZE 256 + +/* VM memory chunk */ +typedef struct vm_chunk vm_chunk_t; +struct vm_chunk { + void *area; + u_int page_alloc,page_total; + vm_chunk_t *next; +}; + +/* VM ghost pool entry */ +typedef struct vm_ghost_image vm_ghost_image_t; +struct vm_ghost_image { + char *filename; + u_int ref_count; + int fd; + off_t file_size; + u_char *area_ptr; + vm_ghost_image_t *next; +}; + +/* Maximum number of devices per VM */ +#define VM_DEVICE_MAX (1 << 6) + +/* Size of the PCI bus pool */ #define VM_PCI_POOL_SIZE 32 /* VM instance status */ @@ -30,6 +60,19 @@ enum { VM_TYPE_C7200 = 0, VM_TYPE_C3600, + VM_TYPE_C2691, + VM_TYPE_C3725, + VM_TYPE_C3745, + VM_TYPE_C2600, + VM_TYPE_MSFC1, + VM_TYPE_PPC32_TEST, +}; + +/* Ghost RAM status */ +enum { + VM_GHOST_RAM_NONE = 0, + VM_GHOST_RAM_GENERATE, + VM_GHOST_RAM_USE, }; /* Timer IRQ check interval */ @@ -56,7 +99,8 @@ int status; /* Instance status */ int instance_id; /* Instance Identifier */ char *lock_file; /* Lock file */ - char *log_file; /* Log file */ + char *log_file; /* Log filename */ + int log_file_enabled; /* Logging enabled */ u_int ram_size,rom_size; /* RAM and ROM size in Mb */ u_int iomem_size; /* IOMEM size in Mb */ u_int nvram_size; /* NVRAM size in Kb */ @@ -75,24 +119,44 @@ FILE *lock_fd,*log_fd; /* Lock/Log file descriptors */ int debug_level; /* Debugging Level */ int jit_use; /* CPUs use JIT */ + int sparse_mem; /* Use sparse virtual memory */ + + /* Memory chunks */ + vm_chunk_t *chunks; /* Basic hardware: system CPU, PCI busses and PCI I/O space */ cpu_group_t *cpu_group; - cpu_mips_t *boot_cpu; + cpu_gen_t *boot_cpu; struct pci_bus *pci_bus[2]; struct pci_bus *pci_bus_pool[VM_PCI_POOL_SIZE]; struct pci_io_data *pci_io_space; /* Memory mapped devices */ struct vdevice *dev_list; - struct vdevice *dev_array[MIPS64_DEVICE_MAX]; + struct vdevice *dev_array[VM_DEVICE_MAX]; - /* "idling" pointer counter */ - m_uint64_t idle_pc; + /* IRQ routing */ + void (*set_irq)(vm_instance_t *vm,u_int irq); + void (*clear_irq)(vm_instance_t *vm,u_int irq); + + /* Filename for ghosted RAM */ + char *ghost_ram_filename; + + /* Ghost RAM image handling */ + int ghost_status; /* Timer IRQ interval check */ u_int timer_irq_check_itv; + /* "idling" pointer counter */ + m_uint64_t idle_pc; + + /* JIT block direct jumps */ + int exec_blk_direct_jump; + + /* IRQ idling preemption */ + u_int irq_idle_preempt[256]; + /* Console and AUX port VTTY type and parameters */ int vtty_con_type,vtty_aux_type; int vtty_con_tcp_port,vtty_aux_tcp_port; @@ -108,6 +172,9 @@ ssize_t (*nvram_extract_config)(vm_instance_t *vm,char **buffer); int (*nvram_push_config)(vm_instance_t *vm,char *buffer,size_t len); + /* Chassis cookie (for c2600 and maybe other routers) */ + m_uint16_t chassis_cookie[64]; + /* Specific hardware data */ void *hw_data; @@ -117,9 +184,28 @@ #define VM_C7200(vm) ((c7200_t *)vm->hw_data) #define VM_C3600(vm) ((c3600_t *)vm->hw_data) +#define VM_C2691(vm) ((c2691_t *)vm->hw_data) +#define VM_C3725(vm) ((c3725_t *)vm->hw_data) +#define VM_C3745(vm) ((c3745_t *)vm->hw_data) +#define VM_C2600(vm) ((c2600_t *)vm->hw_data) +#define VM_MSFC1(vm) ((msfc1_t *)vm->hw_data) extern int vm_file_naming_type; +/* Set an IRQ for a VM */ +static inline void vm_set_irq(vm_instance_t *vm,u_int irq) +{ + if (vm->set_irq != NULL) + vm->set_irq(vm,irq); +} + +/* Clear an IRQ for a VM */ +static inline void vm_clear_irq(vm_instance_t *vm,u_int irq) +{ + if (vm->clear_irq != NULL) + vm->clear_irq(vm,irq); +} + /* Initialize a VM object */ void vm_object_init(vm_obj_t *obj); @@ -141,6 +227,9 @@ /* Get VM type */ char *vm_get_type(vm_instance_t *vm); +/* Get MAC address MSB */ +u_int vm_get_mac_addr_msb(vm_instance_t *vm); + /* Generate a filename for use by the instance */ char *vm_build_filename(vm_instance_t *vm,char *name); @@ -180,6 +269,9 @@ /* Release a VM (decrement reference count) */ int vm_release(vm_instance_t *vm); +/* Initialize RAM */ +int vm_ram_init(vm_instance_t *vm,m_uint64_t paddr); + /* Initialize VTTY */ int vm_init_vtty(vm_instance_t *vm); @@ -213,6 +305,28 @@ /* Monitor an instance periodically */ void vm_monitor(vm_instance_t *vm); +/* Allocate an host page */ +void *vm_alloc_host_page(vm_instance_t *vm); + +/* Free an host page */ +void vm_free_host_page(vm_instance_t *vm,void *ptr); + +/* Get a ghost image */ +int vm_ghost_image_get(char *filename,u_char **ptr,int *fd); + +/* Release a ghost image */ +int vm_ghost_image_release(int fd); + +/* Open a VM file and map it in memory */ +int vm_mmap_open_file(vm_instance_t *vm,char *name, + u_char **ptr,off_t *fsize); + +/* Open/Create a VM file and map it in memory */ +int vm_mmap_create_file(vm_instance_t *vm,char *name,size_t len,u_char **ptr); + +/* Close a memory mapped file */ +int vm_mmap_close_file(int fd,u_char *ptr,size_t len); + /* Save the Cisco IOS configuration from NVRAM */ int vm_ios_save_config(vm_instance_t *vm);