diff options
| -rw-r--r-- | kernel/power/em_netlink.c | 44 | ||||
| -rw-r--r-- | kernel/power/em_netlink.h | 6 |
2 files changed, 50 insertions, 0 deletions
diff --git a/kernel/power/em_netlink.c b/kernel/power/em_netlink.c index 43118b028bb6..4b85da138a06 100644 --- a/kernel/power/em_netlink.c +++ b/kernel/power/em_netlink.c @@ -215,6 +215,50 @@ out_free_msg: /**************************** Event encoding *********************************/ +static void __em_notify_pd_table(const struct em_perf_domain *pd, int ntf_type) +{ + struct sk_buff *msg; + int msg_sz, ret = -EMSGSIZE; + void *hdr; + + if (!genl_has_listeners(&em_nl_family, &init_net, EM_NLGRP_EVENT)) + return; + + msg_sz = __em_nl_get_pd_table_size(pd); + + msg = genlmsg_new(msg_sz, GFP_KERNEL); + if (!msg) + return; + + hdr = genlmsg_put(msg, 0, 0, &em_nl_family, 0, ntf_type); + if (!hdr) + goto out_free_msg; + + ret = __em_nl_get_pd_table(msg, pd); + if (ret) + goto out_free_msg; + + genlmsg_end(msg, hdr); + + genlmsg_multicast(&em_nl_family, msg, 0, EM_NLGRP_EVENT, GFP_KERNEL); + + return; + +out_free_msg: + nlmsg_free(msg); + return; +} + +void em_notify_pd_created(const struct em_perf_domain *pd) +{ + __em_notify_pd_table(pd, EM_CMD_PD_CREATED); +} + +void em_notify_pd_updated(const struct em_perf_domain *pd) +{ + __em_notify_pd_table(pd, EM_CMD_PD_UPDATED); +} + static int __em_notify_pd_deleted_size(const struct em_perf_domain *pd) { int id_sz = nla_total_size(sizeof(u32)); /* EM_A_PD_TABLE_PD_ID */ diff --git a/kernel/power/em_netlink.h b/kernel/power/em_netlink.h index d56e5865e1ed..583d7f1c3939 100644 --- a/kernel/power/em_netlink.h +++ b/kernel/power/em_netlink.h @@ -13,7 +13,9 @@ int for_each_em_perf_domain(int (*cb)(struct em_perf_domain*, void *), void *data); struct em_perf_domain *em_perf_domain_get_by_id(int id); +void em_notify_pd_created(const struct em_perf_domain *pd); void em_notify_pd_deleted(const struct em_perf_domain *pd); +void em_notify_pd_updated(const struct em_perf_domain *pd); #else static inline int for_each_em_perf_domain(int (*cb)(struct em_perf_domain*, void *), @@ -27,7 +29,11 @@ struct em_perf_domain *em_perf_domain_get_by_id(int id) return NULL; } +static inline void em_notify_pd_created(const struct em_perf_domain *pd) {} + static inline void em_notify_pd_deleted(const struct em_perf_domain *pd) {} + +static inline void em_notify_pd_updated(const struct em_perf_domain *pd) {} #endif #endif /* _EM_NETLINK_H */ |