X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_dev_mgr.h;h=156b560645b81188fa1582d30fc512b37da2281e;hb=5d1bbcc86de011e3f0d115b6f10fd8645cdf855e;hp=b8d773ec57eaba8046a819921de3d7769c5e83ca;hpb=e70e95962c26832628d586e07f9cd1a2e1852d72;p=palacios.git diff --git a/palacios/include/palacios/vmm_dev_mgr.h b/palacios/include/palacios/vmm_dev_mgr.h index b8d773e..156b560 100644 --- a/palacios/include/palacios/vmm_dev_mgr.h +++ b/palacios/include/palacios/vmm_dev_mgr.h @@ -25,23 +25,61 @@ #include #include #include +#include +#include +#include +#include + +#ifdef V3_CONFIG_CHECKPOINT +#include +#endif + +struct v3_vm_info; + +struct v3_device_ops; + +typedef void * v3_dev_data_t; struct vm_device; -struct guest_info; + +struct vm_device { + char name[32]; + + void * private_data; + + struct v3_device_ops * ops; + + struct v3_vm_info * vm; + + struct list_head dev_link; + + uint_t num_res_hooks; + struct list_head res_hooks; +}; struct vmm_dev_mgr { - uint_t num_devs; - struct list_head dev_list; + uint_t num_devs; + struct list_head dev_list; + struct hashtable * dev_table; - uint_t num_io_hooks; - struct list_head io_hooks; - - uint_t num_mem_hooks; - struct list_head mem_hooks; + struct list_head blk_list; + struct hashtable * blk_table; + + struct list_head net_list; + struct hashtable * net_table; + + struct list_head char_list; + struct hashtable * char_table; + + struct list_head cons_list; + struct hashtable * cons_table; }; +int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_t * cfg); + +struct vm_device * v3_find_dev(struct v3_vm_info * info, const char * dev_name); // Registration of devices @@ -51,47 +89,203 @@ struct vmm_dev_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); +int v3_init_dev_mgr(struct v3_vm_info * vm); +int v3_deinit_dev_mgr(struct v3_vm_info * vm); +int v3_free_vm_devices(struct v3_vm_info * vm); +#ifdef V3_CONFIG_CHECKPOINT +int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt); +int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt); +#endif -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(); +int V3_deinit_devices(); + - // Do not touch anything below this +struct v3_device_ops { + int (*free)(void * private_data); - struct list_head dev_list; - struct list_head mgr_list; +#ifdef V3_CONFIG_CHECKPOINT + int (*save)(struct v3_chkpt_ctx * ctx, void * private_data); + int (*load)(struct v3_chkpt_ctx * ctx, void * privata_data); +#endif }; -struct dev_mem_hook { - void *addr_start; - void *addr_end; - struct vm_device * dev; - // Do not touch anything below this - struct list_head dev_list; - struct list_head mgr_list; + + + +int v3_dev_hook_io(struct vm_device * dev, + uint16_t port, + int (*read)(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data), + int (*write)(struct guest_info * core, uint16_t port, void * src, uint_t length, void * priv_data)); + +int v3_dev_unhook_io(struct vm_device * dev, + uint16_t port); + + +int v3_dev_hook_msr(struct vm_device * dev, + uint32_t msr, + int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data), + int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data)); + +int v3_dev_unhook_msr(struct vm_device * dev, + uint32_t msr); + + + + +struct vm_device * v3_add_device(struct v3_vm_info * vm, char * name, + struct v3_device_ops * ops, void * private_data); +int v3_remove_device(struct vm_device * dev); + + +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); }; -int dev_mgr_init(struct guest_info * info); -int dev_mgr_deinit(struct guest_info * info); +#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}; + + + + +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_cfg{ + void * frontend_data; + char * fnt_mac; + int quote; + int poll; /* need poll? */ +}; + +struct v3_dev_net_ops { + /* Backend implemented functions */ + int (*send)(uint8_t * buf, uint32_t len, void * private_data); + + /* Frontend implemented functions */ + int (*recv)(uint8_t * buf, uint32_t len, void * frnt_data); + int (*poll)(int quote, void * frnt_data); + + /* This is ugly... */ + struct v3_dev_net_ops_cfg config; +}; + +struct v3_dev_console_ops { + int (*update_screen)(uint_t x, uint_t y, uint_t length, uint8_t * fb_data, void * private_data); + int (*update_cursor)(uint_t x, uint_t y, void * private_data); + int (*scroll)(int rows, void * private_data); + int (*set_text_resolution)(int cols, int rows, void * private_data); + + /* frontend implemented functions */ + int (*get_screen)(uint_t x, uint_t y, uint_t length, void * frontend_data); + void * push_fn_arg; +}; + +struct v3_dev_char_ops { + /* Backend implemented functions */ + uint64_t (*output)(uint8_t * buf, uint64_t len, void * private_data); + // int (*read)(uint8_t * buf, uint64_t len, void * private_data); + + /* Frontend Implemented functions */ + uint64_t (*input)(struct v3_vm_info * vm, uint8_t * buf, uint64_t len, void * private_data); +}; + + +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); + + + + +int v3_dev_add_console_frontend(struct v3_vm_info * vm, + char * name, + int (*connect)(struct v3_vm_info * vm, + void * frontend_data, + struct v3_dev_console_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data), + void * priv_data); + +int v3_dev_connect_console(struct v3_vm_info * vm, + char * frontend_name, + struct v3_dev_console_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data); + + + +int v3_dev_add_char_frontend(struct v3_vm_info * vm, + char * name, + int (*connect)(struct v3_vm_info * vm, + void * frontend_data, + struct v3_dev_char_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data, + void ** push_fn_arg), + void * priv_data); + +int v3_dev_connect_char(struct v3_vm_info * vm, + char * frontend_name, + struct v3_dev_char_ops * ops, + v3_cfg_tree_t * cfg, + void * private_data, + void ** push_fn_arg); -void PrintDebugDevMgr(struct guest_info * info); -void PrintDebugDev(struct vm_device * dev); -void PrintDebugDevIO(struct vm_device * dev); -void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr); #endif // ! __V3VEE__