X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm.h;fp=palacios%2Finclude%2Fpalacios%2Fvmm.h;h=f7a612d73069d65cff71a2e8e43c279d9cba20c3;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3 diff --git a/palacios/include/palacios/vmm.h b/palacios/include/palacios/vmm.h new file mode 100644 index 0000000..f7a612d --- /dev/null +++ b/palacios/include/palacios/vmm.h @@ -0,0 +1,299 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + +#ifndef __VMM_H__ +#define __VMM_H__ + + +#include +#include + +#ifdef __V3VEE__ + +//#include +#include + + +//#include + +/* utility definitions */ + +#ifdef VMM_DEBUG +#define PrintDebug(fmt, args...) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->print_debug) { \ + (os_hooks)->print_debug((fmt), ##args); \ + } \ + } while (0) +#else +#define PrintDebug(fmt,args ...) +#endif + + + +#define PrintError(fmt, args...) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->print_debug) { \ + (os_hooks)->print_debug("%s(%d): " fmt, __FILE__, __LINE__, ##args); \ + } \ + } while (0) + + + +#ifdef VMM_INFO +#define PrintInfo(fmt, args...) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->print_info) { \ + (os_hooks)->print_info((fmt), ##args); \ + } \ + } while (0) +#else +#define PrintInfo(fmt, args...) +#endif + + +#ifdef VMM_TRACE +#define PrintTrace(fmt, args...) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->print_trace) { \ + (os_hooks)->print_trace(fmt, ##args); \ + } \ + } while (0) +#else +#define PrintTrace(fmt, args...) +#endif + + +#define V3_AllocPages(num_pages) \ + ({ \ + extern struct v3_os_hooks * os_hooks; \ + void * ptr = 0; \ + if ((os_hooks) && (os_hooks)->allocate_pages) { \ + ptr = (os_hooks)->allocate_pages(num_pages); \ + } \ + ptr; \ + }) \ + + +#define V3_FreePage(page) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->free_page) { \ + (os_hooks)->free_page(page); \ + } \ + } while(0) \ + + +#define V3_VAddr(addr) ({ \ + extern struct v3_os_hooks * os_hooks; \ + void * var = 0; \ + if ((os_hooks) && (os_hooks)->paddr_to_vaddr) { \ + var = (os_hooks)->paddr_to_vaddr(addr); \ + } \ + var; \ + }) + + +#define V3_PAddr(addr) ({ \ + extern struct v3_os_hooks * os_hooks; \ + void * var = 0; \ + if ((os_hooks) && (os_hooks)->vaddr_to_paddr) { \ + var = (os_hooks)->vaddr_to_paddr(addr); \ + } \ + var; \ + }) + + + +#define V3_Malloc(size) ({ \ + extern struct v3_os_hooks * os_hooks; \ + void * var = 0; \ + if ((os_hooks) && (os_hooks)->malloc) { \ + var = (os_hooks)->malloc(size); \ + } \ + var; \ + }) + +// We need to check the hook structure at runtime to ensure its SAFE +#define V3_Free(addr) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->free) { \ + (os_hooks)->free(addr); \ + } \ + } while (0) \ + + +// uint_t V3_CPU_KHZ(); +#define V3_CPU_KHZ() \ + ({ \ + unsigned int khz = 0; \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->get_cpu_khz) { \ + khz = (os_hooks)->get_cpu_khz(); \ + } \ + khz; \ + }) \ + + + +#define V3_Hook_Interrupt(irq, opaque) \ + ({ \ + int ret = 0; \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->hook_interrupt) { \ + ret = (os_hooks)->hook_interrupt(irq, opaque); \ + } \ + ret; \ + }) \ + +#define V3_Yield(addr) \ + do { \ + extern struct v3_os_hooks * os_hooks; \ + if ((os_hooks) && (os_hooks)->yield_cpu) { \ + (os_hooks)->yield_cpu(); \ + } \ + } while (0) \ + + + + + +/* ** */ + +#define V3_ASSERT(x) \ + do { \ + if (!(x)) { \ + PrintDebug("Failed assertion in %s: %s at %s, line %d, RA=%lx\n", \ + __func__, #x, __FILE__, __LINE__, \ + (ulong_t) __builtin_return_address(0)); \ + while(1); \ + } \ + } while(0) \ + + + + +#define VMM_INVALID_CPU 0 +#define VMM_VMX_CPU 1 +#define VMM_SVM_CPU 2 + + +// Maybe make this a define.... +typedef enum v3_cpu_arch {V3_INVALID_CPU, V3_SVM_CPU, V3_SVM_REV3_CPU, V3_VMX_CPU} v3_cpu_arch_t; + + +#endif //!__V3VEE__ + + + +struct guest_info; + +/* This will contain function pointers that provide OS services */ +struct v3_os_hooks { + void (*print_info)(const char * format, ...); + // __attribute__ ((format (printf, 1, 2))); + void (*print_debug)(const char * format, ...); + // __attribute__ ((format (printf, 1, 2))); + void (*print_trace)(const char * format, ...); + // __attribute__ ((format (printf, 1, 2))); + + void *(*allocate_pages)(int numPages); + void (*free_page)(void * page); + + void *(*malloc)(unsigned int size); + void (*free)(void * addr); + + void *(*paddr_to_vaddr)(void *addr); + void *(*vaddr_to_paddr)(void *addr); + + // int (*hook_interrupt)(struct guest_info *s, int irq); + + int (*hook_interrupt)(struct guest_info * vm, unsigned int irq); + + int (*ack_irq)(int irq); + + + unsigned int (*get_cpu_khz)(void); + + + void (*start_kernel_thread)(void); // include pointer to function + + void (*yield_cpu)(void); + +}; + + +struct v3_vm_config { + void * rombios; + int rombios_size; + + void * vgabios; + int vgabios_size; + + int use_ramdisk; + void * ramdisk; + int ramdisk_size; +}; + + + +/* This will contain Function pointers that control the VMs */ +struct v3_ctrl_ops { + struct guest_info *(*allocate_guest)(void); + + int (*config_guest)(struct guest_info * info, struct v3_vm_config * config_ptr); + int (*init_guest)(struct guest_info * info); + int (*start_guest)(struct guest_info * info); + // int (*stop_vm)(uint_t vm_id); + + int (*has_nested_paging)(void); + + // v3_cpu_arch_t (*get_cpu_arch)(); +}; + + + + +// +// +// This is the interrupt state that the VMM's interrupt handlers need to see +// +struct v3_interrupt { + unsigned int irq; + unsigned int error; + + unsigned int should_ack; // Should the vmm ack this interrupt, or will + // the host OS do it? +}; + + + + +void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops); + +int v3_deliver_irq(struct guest_info * vm, struct v3_interrupt * intr); +int v3_deliver_keyboard_evt(struct guest_info * vm); + + +#endif