X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_dev_mgr.h;h=9e019b5b092e933e05603d8533f79bc7b2c1b62a;hb=4c4382c3fa7e7e87c260b6bb473220d0081ca1d5;hp=eba13c81c4f55332afb693c599ccd0720817759e;hpb=bc2c46a12649344d973e2201271c05390ce924bf;p=palacios.git diff --git a/palacios/include/palacios/vmm_dev_mgr.h b/palacios/include/palacios/vmm_dev_mgr.h index eba13c8..9e019b5 100644 --- a/palacios/include/palacios/vmm_dev_mgr.h +++ b/palacios/include/palacios/vmm_dev_mgr.h @@ -1,28 +1,79 @@ +/* + * 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_DEV_MGR #define _VMM_DEV_MGR +#ifdef __V3VEE__ + #include #include #include +#include +#include -struct vm_device; -struct guest_info; -struct vmm_dev_mgr { - uint_t num_devs; - struct list_head dev_list; +struct v3_vm_info; - uint_t num_io_hooks; - struct list_head io_hooks; +struct v3_device_ops; + + +struct vm_device { + char name[32]; - uint_t num_mem_hooks; - struct list_head mem_hooks; + void * private_data; + + struct v3_device_ops * ops; + + struct v3_vm_info * vm; + + struct list_head dev_link; + + + uint_t num_io_hooks; + struct list_head io_hooks; +}; + + +struct vmm_dev_mgr { + uint_t num_devs; + struct list_head dev_list; + struct hashtable * dev_table; + + struct list_head blk_list; + struct hashtable * blk_table; + + struct list_head net_list; + struct hashtable * net_table; + + struct list_head console_list; + struct hashtable * console_table; }; +int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg); + + +void v3_free_device(struct vm_device * dev); -int dev_mgr_init(struct vmm_dev_mgr *mgr); -int dev_mgr_deinit(struct vmm_dev_mgr * mgr); + +struct vm_device * v3_find_dev(struct v3_vm_info * info, const char * dev_name); // Registration of devices @@ -32,45 +83,130 @@ int dev_mgr_deinit(struct vmm_dev_mgr * mgr); // when the guest is stopped // -int v3_attach_device(struct guest_info *vm, struct vm_device * dev); -int v3_unattach_device(struct vm_device *dev); -void PrintDebugDevMgr(struct vmm_dev_mgr * mgr); +int v3_init_dev_mgr(struct v3_vm_info * vm); +int v3_dev_mgr_deinit(struct v3_vm_info * vm); + + + -#ifdef __V3VEE__ -struct dev_io_hook { - ushort_t port; - - int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev); - int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev); - struct vm_device * dev; +int v3_init_devices(); - // Do not touch anything below this - struct list_head dev_list; - struct list_head mgr_list; +struct v3_device_ops { + int (*free)(struct vm_device *dev); + + + int (*reset)(struct vm_device *dev); + + int (*start)(struct vm_device *dev); + int (*stop)(struct vm_device *dev); + + + //int (*save)(struct vm_device *dev, struct *iostream); + //int (*restore)(struct vm_device *dev, struct *iostream); +}; + + + + + + +int v3_dev_hook_io(struct vm_device *dev, + ushort_t port, + int (*read)(struct guest_info * core, ushort_t port, void * dst, uint_t length, struct vm_device * dev), + int (*write)(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev)); + +int v3_dev_unhook_io(struct vm_device *dev, + ushort_t port); + + +int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev); +int v3_detach_device(struct vm_device * dev); + +struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data); + + +struct v3_device_info { + char * name; + int (*init)(struct v3_vm_info * info, v3_cfg_tree_t * cfg); }; -struct dev_mem_hook { - void *addr_start; - void *addr_end; - struct vm_device * dev; +#define device_register(name, init_dev_fn) \ + static char _v3_device_name[] = name; \ + static struct v3_device_info _v3_device \ + __attribute__((__used__)) \ + __attribute__((unused, __section__ ("_v3_devices"), \ + aligned(sizeof(addr_t)))) \ + = {_v3_device_name , init_dev_fn}; + + - // Do not touch anything below this - struct list_head dev_list; - struct list_head mgr_list; + +void v3_print_dev_mgr(struct v3_vm_info * vm); + + +struct v3_dev_blk_ops { + uint64_t (*get_capacity)(void * private_data); + // Reads always operate on 2048 byte blocks + int (*read)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data); + int (*write)(uint8_t * buf, uint64_t lba, uint64_t num_bytes, void * private_data); }; +struct v3_dev_net_ops { + /* below functions are called by frontend device + * These will be filled in by the backend when a backend is initiated. --Lei*/ + int (*send)(uint8_t * buf, uint32_t count, void * private_data, struct vm_device *dest_dev); + void (*start_rx)(void *back_data); + void (*stop_rx)(void *back_data); + + /* below functions are called by Backend device + * These will be filled in by the frontend when a backend is connected. -- Lei*/ + int (*recv)(uint8_t * buf, uint32_t count, void * frnt_data); + void (*poll)(struct v3_vm_info *vm, void* frnt_data); + void (*start_tx)(void * frnt_data); + void (*stop_tx)(void * frnt_data); + void * frontend_data; +}; + +struct v3_dev_console_ops { +}; +int v3_dev_add_blk_frontend(struct v3_vm_info * vm, + char * name, + int (*connect)(struct v3_vm_info * vm, + void * frontend_data, + struct v3_dev_blk_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data), + void * priv_data); + +int v3_dev_connect_blk(struct v3_vm_info * vm, + char * frontend_name, + struct v3_dev_blk_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data); + +int v3_dev_add_net_frontend(struct v3_vm_info * vm, + char * name, + int (*connect)(struct v3_vm_info * vm, + void * frontend_data, + struct v3_dev_net_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data), + void * priv_data); + +int v3_dev_connect_net(struct v3_vm_info * vm, + char * frontend_name, + struct v3_dev_net_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data); -void PrintDebugDev(struct vm_device * dev); -void PrintDebugDevIO(struct vm_device * dev); -void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr); #endif // ! __V3VEE__