Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Robert Moore | 287 | 39.86% | 16 | 42.11% |
Andy Grover | 169 | 23.47% | 9 | 23.68% |
Linus Torvalds | 140 | 19.44% | 3 | 7.89% |
Linus Torvalds (pre-git) | 54 | 7.50% | 1 | 2.63% |
Len Brown | 30 | 4.17% | 4 | 10.53% |
Rui Zhang | 23 | 3.19% | 1 | 2.63% |
Lv Zheng | 10 | 1.39% | 1 | 2.63% |
Rafael J. Wysocki | 5 | 0.69% | 1 | 2.63% |
Patrick Mochel | 1 | 0.14% | 1 | 2.63% |
Erik Schmauss | 1 | 0.14% | 1 | 2.63% |
Total | 720 | 38 |
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: evmisc - Miscellaneous event manager support functions * * Copyright (C) 2000 - 2022, Intel Corp. * *****************************************************************************/ #include <acpi/acpi.h> #include "accommon.h" #include "acevents.h" #include "acnamesp.h" #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evmisc") /* Local prototypes */ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context); /******************************************************************************* * * FUNCTION: acpi_ev_is_notify_object * * PARAMETERS: node - Node to check * * RETURN: TRUE if notifies allowed on this object * * DESCRIPTION: Check type of node for a object that supports notifies. * * TBD: This could be replaced by a flag bit in the node. * ******************************************************************************/ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) { switch (node->type) { case ACPI_TYPE_DEVICE: case ACPI_TYPE_PROCESSOR: case ACPI_TYPE_THERMAL: /* * These are the ONLY objects that can receive ACPI notifications */ return (TRUE); default: return (FALSE); } } /******************************************************************************* * * FUNCTION: acpi_ev_queue_notify_request * * PARAMETERS: node - NS node for the notified object * notify_value - Value from the Notify() request * * RETURN: Status * * DESCRIPTION: Dispatch a device notification event to a previously * installed handler. * ******************************************************************************/ acpi_status acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 notify_value) { union acpi_operand_object *obj_desc; union acpi_operand_object *handler_list_head = NULL; union acpi_generic_state *info; u8 handler_list_id = 0; acpi_status status = AE_OK; ACPI_FUNCTION_NAME(ev_queue_notify_request); /* Are Notifies allowed on this object? */ if (!acpi_ev_is_notify_object(node)) { return (AE_TYPE); } /* Get the correct notify list type (System or Device) */ if (notify_value <= ACPI_MAX_SYS_NOTIFY) { handler_list_id = ACPI_SYSTEM_HANDLER_LIST; } else { handler_list_id = ACPI_DEVICE_HANDLER_LIST; } /* Get the notify object attached to the namespace Node */ obj_desc = acpi_ns_get_attached_object(node); if (obj_desc) { /* We have an attached object, Get the correct handler list */ handler_list_head = obj_desc->common_notify.notify_list[handler_list_id]; } /* * If there is no notify handler (Global or Local) * for this object, just ignore the notify */ if (!acpi_gbl_global_notify[handler_list_id].handler && !handler_list_head) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n", acpi_ut_get_node_name(node), notify_value, node)); return (AE_OK); } /* Setup notify info and schedule the notify dispatcher */ info = acpi_ut_create_generic_state(); if (!info) { return (AE_NO_MEMORY); } info->common.descriptor_type = ACPI_DESC_TYPE_STATE_NOTIFY; info->notify.node = node; info->notify.value = (u16)notify_value; info->notify.handler_list_id = handler_list_id; info->notify.handler_list_head = handler_list_head; info->notify.global = &acpi_gbl_global_notify[handler_list_id]; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n", acpi_ut_get_node_name(node), acpi_ut_get_type_name(node->type), notify_value, acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY), node)); status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, info); if (ACPI_FAILURE(status)) { acpi_ut_delete_generic_state(info); } return (status); } /******************************************************************************* * * FUNCTION: acpi_ev_notify_dispatch * * PARAMETERS: context - To be passed to the notify handler * * RETURN: None. * * DESCRIPTION: Dispatch a device notification event to a previously * installed handler. * ******************************************************************************/ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) { union acpi_generic_state *info = (union acpi_generic_state *)context; union acpi_operand_object *handler_obj; ACPI_FUNCTION_ENTRY(); /* Invoke a global notify handler if installed */ if (info->notify.global->handler) { info->notify.global->handler(info->notify.node, info->notify.value, info->notify.global->context); } /* Now invoke the local notify handler(s) if any are installed */ handler_obj = info->notify.handler_list_head; while (handler_obj) { handler_obj->notify.handler(info->notify.node, info->notify.value, handler_obj->notify.context); handler_obj = handler_obj->notify.next[info->notify.handler_list_id]; } /* All done with the info object */ acpi_ut_delete_generic_state(info); } #if (!ACPI_REDUCED_HARDWARE) /****************************************************************************** * * FUNCTION: acpi_ev_terminate * * PARAMETERS: none * * RETURN: none * * DESCRIPTION: Disable events and free memory allocated for table storage. * ******************************************************************************/ void acpi_ev_terminate(void) { u32 i; acpi_status status; ACPI_FUNCTION_TRACE(ev_terminate); if (acpi_gbl_events_initialized) { /* * Disable all event-related functionality. In all cases, on error, * print a message but obviously we don't abort. */ /* Disable all fixed events */ for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { status = acpi_disable_event(i, 0); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not disable fixed event %u", (u32) i)); } } /* Disable all GPEs in all GPE blocks */ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not disable GPEs in GPE block")); } status = acpi_ev_remove_global_lock_handler(); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not remove Global Lock handler")); } acpi_gbl_events_initialized = FALSE; } /* Remove SCI handlers */ status = acpi_ev_remove_all_sci_handlers(); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not remove SCI handler")); } /* Deallocate all handler objects installed within GPE info structs */ status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not delete GPE handlers")); } /* Return to original mode if necessary */ if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) { status = acpi_disable(); if (ACPI_FAILURE(status)) { ACPI_WARNING((AE_INFO, "AcpiDisable failed")); } } return_VOID; } #endif /* !ACPI_REDUCED_HARDWARE */
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1