X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_dev_mgr.h;h=f90232ab2eef4816191f3c55580c54b8d55d9171;hb=6b9abb54ebafd8266f1711b803ccb027675a465f;hp=87f62fc880941124837cad439a7cca97d56299bf;hpb=94f67717b6461df514dc225ed84f03b44c44061b;p=palacios.git diff --git a/palacios/include/palacios/vmm_dev_mgr.h b/palacios/include/palacios/vmm_dev_mgr.h index 87f62fc..f90232a 100644 --- a/palacios/include/palacios/vmm_dev_mgr.h +++ b/palacios/include/palacios/vmm_dev_mgr.h @@ -28,7 +28,10 @@ #include #include #include -#include + +#ifdef V3_CONFIG_CHECKPOINT +#include +#endif struct v3_vm_info; @@ -92,9 +95,10 @@ 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 @@ -102,16 +106,26 @@ int V3_init_devices(); int V3_deinit_devices(); -#ifdef V3_CONFIG_KEYED_STREAMS -#include -#endif - struct v3_device_ops { int (*free)(void * private_data); -#ifdef V3_CONFIG_KEYED_STREAMS - int (*checkpoint)(struct vm_device *dev, v3_keyed_stream_t stream); - int (*restore)(struct vm_device *dev, v3_keyed_stream_t stream); +#ifdef V3_CONFIG_CHECKPOINT + /* + Both the base and extended save/load functions are optional. + If save_extended is defined, then it will be called in + preference to save. The idea is that with "save", the caller + opens the context using the name of the device, and expects + the callee to write it and then return. With "save_extended" + the caller passes the checkpoint store and the device name + to the callee. The callee is then expected to open + contexts as desired, write to them, and then close them + before returning. Load and load/extended are symmetric. + */ + + int (*save)(struct v3_chkpt_ctx * ctx, void * private_data); + int (*load)(struct v3_chkpt_ctx * ctx, void * privata_data); + int (*save_extended)(struct v3_chkpt * chkpt, char * id, void * private_data); + int (*load_extended)(struct v3_chkpt * chkpt, char * id, void * privata_data); #endif }; @@ -173,20 +187,31 @@ 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 + + // how does this signal bytes_read < requested but not error? + 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, int synchronize, void * private_data); + 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... */ - void * frontend_data; - char fnt_mac[ETH_ALEN]; + struct v3_dev_net_ops_cfg config; }; struct v3_dev_console_ops { @@ -202,11 +227,11 @@ struct v3_dev_console_ops { struct v3_dev_char_ops { /* Backend implemented functions */ - int (*write)(uint8_t * buf, uint64_t len, void * private_data); + sint64_t (*output)(uint8_t * buf, sint64_t len, void * private_data); // int (*read)(uint8_t * buf, uint64_t len, void * private_data); /* Frontend Implemented functions */ - int (*push)(struct v3_vm_info * vm, uint8_t * buf, uint64_t len, void * private_data); + sint64_t (*input)(struct v3_vm_info * vm, uint8_t * buf, sint64_t len, void * private_data); };