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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778// SPDX-License-Identifier: LGPL-2.1+// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>#include <errno.h>#include <stdio.h>#include <stdlib.h>#include <unistd.h>
#include <thermal.h>#include "thermal_nl.h"
static int handle_thermal_sample(struct nl_msg *n, void *arg){ struct nlmsghdr *nlh = nlmsg_hdr(n); struct genlmsghdr *genlhdr = genlmsg_hdr(nlh); struct nlattr *attrs[THERMAL_GENL_ATTR_MAX + 1]; struct thermal_handler_param *thp = arg; struct thermal_handler *th = thp->th;
arg = thp->arg;
genlmsg_parse(nlh, 0, attrs, THERMAL_GENL_ATTR_MAX, NULL);
switch (genlhdr->cmd) {
case THERMAL_GENL_SAMPLING_TEMP: return th->ops->sampling.tz_temp( nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), arg); default: return THERMAL_ERROR; }}
thermal_error_t thermal_sampling_handle(struct thermal_handler *th, void *arg){ struct thermal_handler_param thp = { .th = th, .arg = arg };
if (!th) return THERMAL_ERROR;
if (nl_cb_set(th->cb_sampling, NL_CB_VALID, NL_CB_CUSTOM, handle_thermal_sample, &thp)) return THERMAL_ERROR;
return nl_recvmsgs(th->sk_sampling, th->cb_sampling);}
int thermal_sampling_fd(struct thermal_handler *th){ if (!th) return -1;
return nl_socket_get_fd(th->sk_sampling);}
thermal_error_t thermal_sampling_exit(struct thermal_handler *th){ if (nl_unsubscribe_thermal(th->sk_sampling, th->cb_sampling, THERMAL_GENL_SAMPLING_GROUP_NAME)) return THERMAL_ERROR;
nl_thermal_disconnect(th->sk_sampling, th->cb_sampling);
return THERMAL_SUCCESS;}
thermal_error_t thermal_sampling_init(struct thermal_handler *th){ if (nl_thermal_connect(&th->sk_sampling, &th->cb_sampling)) return THERMAL_ERROR;
if (nl_subscribe_thermal(th->sk_sampling, th->cb_sampling, THERMAL_GENL_SAMPLING_GROUP_NAME)) return THERMAL_ERROR;
return THERMAL_SUCCESS;}