From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- tools/lib/thermal/events.c | 193 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 tools/lib/thermal/events.c (limited to 'tools/lib/thermal/events.c') diff --git a/tools/lib/thermal/events.c b/tools/lib/thermal/events.c new file mode 100644 index 000000000..bd851c869 --- /dev/null +++ b/tools/lib/thermal/events.c @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: LGPL-2.1+ +// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano +#include +#include +#include +#include + + +#include +#include "thermal_nl.h" + +/* + * Optimization: fill this array to tell which event we do want to pay + * attention to. That happens at init time with the ops + * structure. Each ops will enable the event and the general handler + * will be able to discard the event if there is not ops associated + * with it. + */ +static int enabled_ops[__THERMAL_GENL_EVENT_MAX]; + +static int handle_thermal_event(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_events_ops *ops = &thp->th->ops->events; + + genlmsg_parse(nlh, 0, attrs, THERMAL_GENL_ATTR_MAX, NULL); + + arg = thp->arg; + + /* + * This is an event we don't care of, bail out. + */ + if (!enabled_ops[genlhdr->cmd]) + return THERMAL_SUCCESS; + + switch (genlhdr->cmd) { + + case THERMAL_GENL_EVENT_TZ_CREATE: + return ops->tz_create(nla_get_string(attrs[THERMAL_GENL_ATTR_TZ_NAME]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), arg); + + case THERMAL_GENL_EVENT_TZ_DELETE: + return ops->tz_delete(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), arg); + + case THERMAL_GENL_EVENT_TZ_ENABLE: + return ops->tz_enable(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), arg); + + case THERMAL_GENL_EVENT_TZ_DISABLE: + return ops->tz_disable(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), arg); + + case THERMAL_GENL_EVENT_TZ_TRIP_CHANGE: + return ops->trip_change(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_TYPE]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_HYST]), arg); + + case THERMAL_GENL_EVENT_TZ_TRIP_ADD: + return ops->trip_add(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_TYPE]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_HYST]), arg); + + case THERMAL_GENL_EVENT_TZ_TRIP_DELETE: + return ops->trip_delete(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_ID]), arg); + + case THERMAL_GENL_EVENT_TZ_TRIP_UP: + return ops->trip_high(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), arg); + + case THERMAL_GENL_EVENT_TZ_TRIP_DOWN: + return ops->trip_low(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TRIP_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), arg); + + case THERMAL_GENL_EVENT_CDEV_ADD: + return ops->cdev_add(nla_get_string(attrs[THERMAL_GENL_ATTR_CDEV_NAME]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_CDEV_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_CDEV_MAX_STATE]), arg); + + case THERMAL_GENL_EVENT_CDEV_DELETE: + return ops->cdev_delete(nla_get_u32(attrs[THERMAL_GENL_ATTR_CDEV_ID]), arg); + + case THERMAL_GENL_EVENT_CDEV_STATE_UPDATE: + return ops->cdev_update(nla_get_u32(attrs[THERMAL_GENL_ATTR_CDEV_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_CDEV_CUR_STATE]), arg); + + case THERMAL_GENL_EVENT_TZ_GOV_CHANGE: + return ops->gov_change(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_string(attrs[THERMAL_GENL_ATTR_GOV_NAME]), arg); + + case THERMAL_GENL_EVENT_THRESHOLD_ADD: + return ops->threshold_add(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_THRESHOLD_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_THRESHOLD_DIRECTION]), arg); + + case THERMAL_GENL_EVENT_THRESHOLD_DELETE: + return ops->threshold_delete(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_THRESHOLD_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_THRESHOLD_DIRECTION]), arg); + + case THERMAL_GENL_EVENT_THRESHOLD_FLUSH: + return ops->threshold_flush(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), arg); + + case THERMAL_GENL_EVENT_THRESHOLD_UP: + return ops->threshold_up(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_PREV_TEMP]), arg); + + case THERMAL_GENL_EVENT_THRESHOLD_DOWN: + return ops->threshold_down(nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_ID]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_TEMP]), + nla_get_u32(attrs[THERMAL_GENL_ATTR_TZ_PREV_TEMP]), arg); + + default: + return -1; + } +} + +static void thermal_events_ops_init(struct thermal_events_ops *ops) +{ + enabled_ops[THERMAL_GENL_EVENT_TZ_CREATE] = !!ops->tz_create; + enabled_ops[THERMAL_GENL_EVENT_TZ_DELETE] = !!ops->tz_delete; + enabled_ops[THERMAL_GENL_EVENT_TZ_DISABLE] = !!ops->tz_disable; + enabled_ops[THERMAL_GENL_EVENT_TZ_ENABLE] = !!ops->tz_enable; + enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_UP] = !!ops->trip_high; + enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_DOWN] = !!ops->trip_low; + enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_CHANGE] = !!ops->trip_change; + enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_ADD] = !!ops->trip_add; + enabled_ops[THERMAL_GENL_EVENT_TZ_TRIP_DELETE] = !!ops->trip_delete; + enabled_ops[THERMAL_GENL_EVENT_CDEV_ADD] = !!ops->cdev_add; + enabled_ops[THERMAL_GENL_EVENT_CDEV_DELETE] = !!ops->cdev_delete; + enabled_ops[THERMAL_GENL_EVENT_CDEV_STATE_UPDATE] = !!ops->cdev_update; + enabled_ops[THERMAL_GENL_EVENT_TZ_GOV_CHANGE] = !!ops->gov_change; + enabled_ops[THERMAL_GENL_EVENT_THRESHOLD_ADD] = !!ops->threshold_add; + enabled_ops[THERMAL_GENL_EVENT_THRESHOLD_DELETE] = !!ops->threshold_delete; + enabled_ops[THERMAL_GENL_EVENT_THRESHOLD_FLUSH] = !!ops->threshold_flush; + enabled_ops[THERMAL_GENL_EVENT_THRESHOLD_UP] = !!ops->threshold_up; + enabled_ops[THERMAL_GENL_EVENT_THRESHOLD_DOWN] = !!ops->threshold_down; +} + +thermal_error_t thermal_events_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_event, NL_CB_VALID, NL_CB_CUSTOM, + handle_thermal_event, &thp)) + return THERMAL_ERROR; + + return nl_recvmsgs(th->sk_event, th->cb_event); +} + +int thermal_events_fd(struct thermal_handler *th) +{ + if (!th) + return -1; + + return nl_socket_get_fd(th->sk_event); +} + +thermal_error_t thermal_events_exit(struct thermal_handler *th) +{ + if (nl_unsubscribe_thermal(th->sk_event, th->cb_event, + THERMAL_GENL_EVENT_GROUP_NAME)) + return THERMAL_ERROR; + + nl_thermal_disconnect(th->sk_event, th->cb_event); + + return THERMAL_SUCCESS; +} + +thermal_error_t thermal_events_init(struct thermal_handler *th) +{ + thermal_events_ops_init(&th->ops->events); + + if (nl_thermal_connect(&th->sk_event, &th->cb_event)) + return THERMAL_ERROR; + + if (nl_subscribe_thermal(th->sk_event, th->cb_event, + THERMAL_GENL_EVENT_GROUP_NAME)) + return THERMAL_ERROR; + + return THERMAL_SUCCESS; +} -- cgit v1.3.1