^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Module Name: utaddress - op_region address range check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define _COMPONENT ACPI_UTILITIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) ACPI_MODULE_NAME("utaddress")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * FUNCTION: acpi_ut_add_address_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * PARAMETERS: space_id - Address space ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * address - op_region start address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * length - op_region length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * region_node - op_region namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * DESCRIPTION: Add the Operation Region address range to the global list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * The only supported Space IDs are Memory and I/O. Called when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * the op_region address/length operands are fully evaluated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * MUTEX: Locks the namespace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * NOTE: Because this interface is only called when an op_region argument
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * list is evaluated, there cannot be any duplicate region_nodes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * Duplicate Address/Length values are allowed, however, so that multiple
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * address conflicts can be detected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acpi_ut_add_address_range(acpi_adr_space_type space_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) acpi_physical_address address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u32 length, struct acpi_namespace_node *region_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct acpi_address_range *range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ACPI_FUNCTION_TRACE(ut_add_address_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* Allocate/init a new info block, add it to the appropriate list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) range_info = ACPI_ALLOCATE(sizeof(struct acpi_address_range));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) if (!range_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) range_info->start_address = address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) range_info->end_address = (address + length - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) range_info->region_node = region_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) range_info->next = acpi_gbl_address_range_list[space_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) acpi_gbl_address_range_list[space_id] = range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) "\nAdded [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) acpi_ut_get_node_name(range_info->region_node),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ACPI_FORMAT_UINT64(address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) ACPI_FORMAT_UINT64(range_info->end_address)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * FUNCTION: acpi_ut_remove_address_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * PARAMETERS: space_id - Address space ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * region_node - op_region namespace node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * DESCRIPTION: Remove the Operation Region from the global list. The only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * supported Space IDs are Memory and I/O. Called when an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * op_region is deleted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) * MUTEX: Assumes the namespace is locked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) acpi_ut_remove_address_range(acpi_adr_space_type space_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct acpi_namespace_node *region_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct acpi_address_range *range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct acpi_address_range *prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ACPI_FUNCTION_TRACE(ut_remove_address_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /* Get the appropriate list head and check the list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) range_info = prev = acpi_gbl_address_range_list[space_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) while (range_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (range_info->region_node == region_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) if (range_info == prev) { /* Found at list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) acpi_gbl_address_range_list[space_id] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) range_info->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) prev->next = range_info->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) "\nRemoved [%4.4s] address range: 0x%8.8X%8.8X-0x%8.8X%8.8X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) acpi_ut_get_node_name(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) region_node),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) ACPI_FORMAT_UINT64(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) start_address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ACPI_FORMAT_UINT64(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) end_address)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ACPI_FREE(range_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) prev = range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) range_info = range_info->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * FUNCTION: acpi_ut_check_address_range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) * PARAMETERS: space_id - Address space ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * address - Start address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * length - Length of address range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * warn - TRUE if warning on overlap desired
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * RETURN: Count of the number of conflicts detected. Zero is always
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * returned for Space IDs other than Memory or I/O.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) * DESCRIPTION: Check if the input address range overlaps any of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * ASL operation region address ranges. The only supported
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * Space IDs are Memory and I/O.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * MUTEX: Assumes the namespace is locked.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) acpi_ut_check_address_range(acpi_adr_space_type space_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) acpi_physical_address address, u32 length, u8 warn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct acpi_address_range *range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) acpi_physical_address end_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) char *pathname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) u32 overlap_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) ACPI_FUNCTION_TRACE(ut_check_address_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) return_UINT32(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) range_info = acpi_gbl_address_range_list[space_id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) end_address = address + length - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /* Check entire list for all possible conflicts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) while (range_info) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * Check if the requested address/length overlaps this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) * address range. There are four cases to consider:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * 1) Input address/length is contained completely in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * address range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * 2) Input address/length overlaps range at the range start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * 3) Input address/length overlaps range at the range end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * 4) Input address/length completely encompasses the range
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if ((address <= range_info->end_address) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) (end_address >= range_info->start_address)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) /* Found an address range overlap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) overlap_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (warn) { /* Optional warning message */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) pathname =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) acpi_ns_get_normalized_pathname(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) region_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) ACPI_WARNING((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) "%s range 0x%8.8X%8.8X-0x%8.8X%8.8X conflicts with OpRegion 0x%8.8X%8.8X-0x%8.8X%8.8X (%s)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) acpi_ut_get_region_name(space_id),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) ACPI_FORMAT_UINT64(address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) ACPI_FORMAT_UINT64(end_address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ACPI_FORMAT_UINT64(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) start_address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) ACPI_FORMAT_UINT64(range_info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) end_address),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) pathname));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ACPI_FREE(pathname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) range_info = range_info->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return_UINT32(overlap_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * FUNCTION: acpi_ut_delete_address_lists
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * DESCRIPTION: Delete all global address range lists (called during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) * subsystem shutdown).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) void acpi_ut_delete_address_lists(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct acpi_address_range *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) struct acpi_address_range *range_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) /* Delete all elements in all address range lists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) next = acpi_gbl_address_range_list[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) while (next) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) range_info = next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) next = range_info->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) ACPI_FREE(range_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) acpi_gbl_address_range_list[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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