Allows a privileged application to configure level, group and user rules governing security and guarantees policies enforced by the QoS Supervisor Kernel Module. More...
Files | |
| file | qsup_gw.h |
Common defines and structures for the US to KS gateway. | |
| file | qsup_lib.c |
Implementation of QSUP library. | |
| file | qsup_lib.h |
The QoS Supervisor Application Programming Interface. | |
Functions | |
| qos_rv | qsup_init () |
| Initialize the QSUP subsystem just after module load into the kernel. | |
| qos_rv | qsup_cleanup () |
| Cleanup the QSUP subsystem before unloading the module from kernel. | |
| qos_rv | qsup_add_level_rule (int level_id, qos_bw_t max_level_bw) |
| Add a level max bw constraint to the identified level. | |
| qos_rv | qsup_add_group_rule (int group_id, qsup_constraints_t *rule) |
| Add a group constraint for the specified group. | |
| qos_rv | qsup_add_user_rule (int user_id, qsup_constraints_t *rule) |
| Add a user constraint for the specified user. | |
| qos_rv | qsup_reserve_spare (qos_bw_t spare_bw) |
| Set the bandwidth that is considered as spare by the system for adaptive reservation purposes. | |
| qos_rv | qsup_get_available_bandwidth (int uid, int gid, qos_bw_t *bw) |
| Retrieve total available bandwidth for the specified user and group, after both the minimum values of existing contracts, and the reserved spare bandwidth. | |
Allows a privileged application to configure level, group and user rules governing security and guarantees policies enforced by the QoS Supervisor Kernel Module.
| qos_rv qsup_add_group_rule | ( | int | group_id, | |
| qsup_constraints_t * | rule | |||
| ) |
Add a group constraint for the specified group.
Definition at line 73 of file qsup_lib.c.
References check_open(), qsup_iparams_t::group_rule, IOCTL_OP_ADD_GROUP_RULE, qos_chk_rv, qos_int_rv, QOS_OK, qsup_fd, and qsup_iparams_t::u.
Referenced by main().
Add a level max bw constraint to the identified level.
Definition at line 129 of file qsup.c.
References bw_min(), check_open(), IOCTL_OP_ADD_LEVEL_RULE, qsup_level_t::level_max, qsup_iparams_t::level_rule, MAX_NUM_LEVELS, qos_chk_rv, QOS_E_INVALID_PARAM, qos_int_rv, QOS_OK, qsup_fd, qsup_iparams_t::u, and U_LUB.
Referenced by main(), and qsup_gw_ks().
| qos_rv qsup_add_user_rule | ( | int | user_id, | |
| qsup_constraints_t * | rule | |||
| ) |
Add a user constraint for the specified user.
Definition at line 88 of file qsup_lib.c.
References check_open(), IOCTL_OP_ADD_USER_RULE, qos_chk_rv, qos_int_rv, QOS_OK, qsup_fd, qsup_iparams_t::u, and qsup_iparams_t::user_rule.
Referenced by main().
| qos_rv qsup_cleanup | ( | ) |
Cleanup the QSUP subsystem before unloading the module from kernel.
Definition at line 186 of file qsup.c.
References qsup_user_rule_t::next, qsup_group_rule_t::next, qsup_user_t::next, qsup_server_t::next, QOS_E_GENERIC, qos_free(), QOS_OK, qsup_fd, and srv.
Referenced by main(), qres_cleanup_module(), qsup_cleanup_ks(), and qsup_cleanup_module().
Retrieve total available bandwidth for the specified user and group, after both the minimum values of existing contracts, and the reserved spare bandwidth.
Definition at line 134 of file qsup_lib.c.
References qsup_iparams_t::avail, check_open(), IOCTL_OP_GET_AVAIL_GUA_BW, qos_chk_ok_do, qos_int_rv, QOS_OK, qsup_fd, and qsup_iparams_t::u.
| qos_rv qsup_init | ( | ) |
Initialize the QSUP subsystem just after module load into the kernel.
Definition at line 167 of file qsup.c.
References qsup_level_t::level_coeff, qsup_level_t::level_max, MAX_NUM_LEVELS, next_server_id, num_group_rules, num_user_rules, QOS_E_MISSING_COMPONENT, qos_log_debug, QOS_OK, QSUP_COEFF_ONE, QSUP_DEV_PATHNAME, qsup_fd, tot_gua_bw, tot_used_gua_bw, and U_LUB.
Referenced by check_open(), main(), and qsup_init_ks().
Set the bandwidth that is considered as spare by the system for adaptive reservation purposes.
The sum of bandwidths allowed as guaranteed minima by the admission control will be U_LUB - spare_bw from now on.
Set the bandwidth that is considered as spare by the system for adaptive reservation purposes.
Set the spare bandwidth for admission control purposes.
Definition at line 594 of file qsup.c.
References check_open(), IOCTL_OP_RESERVE_SPARE, qos_chk_ok_do, QOS_E_INCONSISTENT_STATE, QOS_E_INVALID_PARAM, qos_int_rv, QOS_OK, qsup_fd, qsup_iparams_t::spare_bw, spare_bw, qsup_iparams_t::u, and U_LUB.
Referenced by main(), and qsup_gw_ks().
1.6.3