1 /* Type definitions used in RS. 2 */ 3 #ifndef RS_TYPE_H 4 #define RS_TYPE_H 5 6 /* Definition of an entry of the boot image priv table. */ 7 struct boot_image_priv { 8 endpoint_t endpoint; /* process endpoint number */ 9 char label[RS_MAX_LABEL_LEN]; /* label to assign to this service */ 10 11 int flags; /* privilege flags */ 12 }; 13 14 /* Definition of an entry of the boot image sys table. */ 15 struct boot_image_sys { 16 endpoint_t endpoint; /* process endpoint number */ 17 18 int flags; /* system flags */ 19 }; 20 21 /* Definition of an entry of the boot image dev table. */ 22 struct boot_image_dev { 23 endpoint_t endpoint; /* process endpoint number */ 24 25 dev_t dev_nr; /* major device number */ 26 }; 27 28 /* Definition of the update descriptors. */ 29 struct rproc; 30 struct rprocupd { 31 int lu_flags; /* user-specified live update flags */ 32 int init_flags; /* user-specified init flags */ 33 int prepare_state; /* the state the process has to prepare for the update */ 34 endpoint_t state_endpoint; /* the custom process to transfer the state from (if any). */ 35 clock_t prepare_tm; /* timestamp of when the update was scheduled */ 36 clock_t prepare_maxtime; /* max time to wait for the process to be ready */ 37 struct rproc *rp; /* the process under update */ 38 struct rs_state_data prepare_state_data; /* state data for the update */ 39 cp_grant_id_t prepare_state_data_gid; /* state data gid */ 40 struct rprocupd *prev_rpupd; /* the previous process under update */ 41 struct rprocupd *next_rpupd; /* the next process under update */ 42 }; 43 struct rupdate { 44 int flags; /* flags to keep track of the status of the update */ 45 int num_rpupds; /* number of descriptors scheduled for the update */ 46 int num_init_ready_pending; /* number of pending init ready messages */ 47 struct rprocupd *curr_rpupd; /* the current descriptor under update */ 48 struct rprocupd *first_rpupd; /* first descriptor scheduled for the update */ 49 struct rprocupd *last_rpupd; /* last descriptor scheduled for the update */ 50 struct rprocupd *vm_rpupd; /* VM descriptor scheduled for the update */ 51 struct rprocupd *rs_rpupd; /* RS descriptor scheduled for the update */ 52 }; 53 54 /* Definition of an entry of the system process table. */ 55 typedef struct priv ixfer_priv_s; 56 struct rproc { 57 struct rprocpub *r_pub; /* pointer to the corresponding public entry */ 58 struct rproc *r_old_rp; /* pointer to the slot with the old version */ 59 struct rproc *r_new_rp; /* pointer to the slot with the new version */ 60 struct rproc *r_prev_rp; /* pointer to the slot with the prev replica */ 61 struct rproc *r_next_rp; /* pointer to the slot with the next replica */ 62 struct rprocupd r_upd; /* update descriptor */ 63 pid_t r_pid; /* process id, -1 if the process is not there */ 64 65 int r_asr_count; /* number of live updates with ASR */ 66 int r_restarts; /* number of restarts (initially zero) */ 67 long r_backoff; /* number of periods to wait before revive */ 68 unsigned r_flags; /* status and policy flags */ 69 int r_init_err; /* error code at initialization time */ 70 71 long r_period; /* heartbeat period (or zero) */ 72 clock_t r_check_tm; /* timestamp of last check */ 73 clock_t r_alive_tm; /* timestamp of last heartbeat */ 74 clock_t r_stop_tm; /* timestamp of SIGTERM signal */ 75 endpoint_t r_caller; /* RS_LATEREPLY caller */ 76 int r_caller_request; /* RS_LATEREPLY caller request */ 77 78 char r_cmd[MAX_COMMAND_LEN]; /* raw command plus arguments */ 79 char r_args[MAX_COMMAND_LEN]; /* null-separated raw command plus arguments */ 80 #define ARGV_ELEMENTS (MAX_NR_ARGS+2) /* path, args, null */ 81 char *r_argv[ARGV_ELEMENTS]; 82 int r_argc; /* number of arguments */ 83 char r_script[MAX_SCRIPT_LEN]; /* name of the restart script executable */ 84 85 char *r_exec; /* Executable image */ 86 size_t r_exec_len; /* Length of image */ 87 88 ixfer_priv_s r_priv; /* Privilege structure to be passed to the 89 * kernel. 90 */ 91 uid_t r_uid; 92 endpoint_t r_scheduler; /* scheduler */ 93 int r_priority; /* negative values are reserved for special meanings */ 94 int r_quantum; 95 int r_cpu; 96 vir_bytes r_map_prealloc_addr; /* preallocated mmap address */ 97 size_t r_map_prealloc_len; /* preallocated mmap len */ 98 99 /* Backup values from the privilege structure. */ 100 struct io_range r_io_tab[NR_IO_RANGE]; 101 int r_nr_io_range; 102 int r_irq_tab[NR_IRQ]; 103 int r_nr_irq; 104 105 char r_ipc_list[MAX_IPC_LIST]; 106 int r_nr_control; 107 char r_control[RS_NR_CONTROL][RS_MAX_LABEL_LEN]; 108 }; 109 110 #endif /* RS_TYPE_H */ 111 112 113