^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: tbdata - Table manager data structure functions
^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) #include "actables.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "acevents.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define _COMPONENT ACPI_TABLES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) ACPI_MODULE_NAME("tbdata")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /* Local prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * FUNCTION: acpi_tb_compare_tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * PARAMETERS: table_desc - Table 1 descriptor to be compared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * table_index - Index of table 2 to be compared
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * RETURN: TRUE if both tables are identical.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * DESCRIPTION: This function compares a table with another table that has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * already been installed in the root table list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) *
^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) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) u8 is_identical;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct acpi_table_header *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u32 table_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u8 table_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) acpi_tb_acquire_table(&acpi_gbl_root_table_list.tables[table_index],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) &table, &table_length, &table_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) return (FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * Check for a table match on the entire table length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * not just the header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) is_identical = (u8)((table_desc->length != table_length ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) memcmp(table_desc->pointer, table, table_length)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) FALSE : TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* Release the acquired table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) acpi_tb_release_table(table, table_length, table_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return (is_identical);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * FUNCTION: acpi_tb_init_table_descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * address - Physical address of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * flags - Allocation flags of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * table - Pointer to the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) * DESCRIPTION: Initialize a new table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) acpi_physical_address address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) u8 flags, struct acpi_table_header *table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) * Initialize the table descriptor. Set the pointer to NULL, since the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) * table is not fully mapped at this time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) memset(table_desc, 0, sizeof(struct acpi_table_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) table_desc->address = address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) table_desc->length = table->length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) table_desc->flags = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * FUNCTION: acpi_tb_acquire_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * table_ptr - Where table is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * table_length - Where table length is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * table_flags - Where table allocation flags are returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * DESCRIPTION: Acquire an ACPI table. It can be used for tables not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * maintained in the acpi_gbl_root_table_list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) acpi_tb_acquire_table(struct acpi_table_desc *table_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct acpi_table_header **table_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 *table_length, u8 *table_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct acpi_table_header *table = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) switch (table_desc->flags & ACPI_TABLE_ORIGIN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) table =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) acpi_os_map_memory(table_desc->address, table_desc->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) table = ACPI_CAST_PTR(struct acpi_table_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) ACPI_PHYSADDR_TO_PTR(table_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) address));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) /* Table is not valid yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (!table) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) /* Fill the return values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) *table_ptr = table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) *table_length = table_desc->length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) *table_flags = table_desc->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) return (AE_OK);
^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) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * FUNCTION: acpi_tb_release_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * PARAMETERS: table - Pointer for the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) * table_length - Length for the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) * table_flags - Allocation flags for the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * DESCRIPTION: Release a table. The inverse of acpi_tb_acquire_table().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) acpi_tb_release_table(struct acpi_table_header *table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u32 table_length, u8 table_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) switch (table_flags & ACPI_TABLE_ORIGIN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) acpi_os_unmap_memory(table, table_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) * FUNCTION: acpi_tb_acquire_temp_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) * PARAMETERS: table_desc - Table descriptor to be acquired
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * address - Address of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) * flags - Allocation flags of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * DESCRIPTION: This function validates the table header to obtain the length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * of a table and fills the table descriptor to make its state as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) * "INSTALLED". Such a table descriptor is only used for verified
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * installation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) acpi_tb_acquire_temp_table(struct acpi_table_desc *table_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) acpi_physical_address address, u8 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct acpi_table_header *table_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) switch (flags & ACPI_TABLE_ORIGIN_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) case ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* Get the length of the full table from the header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) table_header =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) acpi_os_map_memory(address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) sizeof(struct acpi_table_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (!table_header) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) acpi_tb_init_table_descriptor(table_desc, address, flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) table_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) acpi_os_unmap_memory(table_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) sizeof(struct acpi_table_header));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) case ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) case ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) table_header = ACPI_CAST_PTR(struct acpi_table_header,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) ACPI_PHYSADDR_TO_PTR(address));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) if (!table_header) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) acpi_tb_init_table_descriptor(table_desc, address, flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) table_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) /* Table is not valid yet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) * FUNCTION: acpi_tb_release_temp_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) * PARAMETERS: table_desc - Table descriptor to be released
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * DESCRIPTION: The inverse of acpi_tb_acquire_temp_table().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) * Note that the .Address is maintained by the callers of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * acpi_tb_acquire_temp_table(), thus do not invoke acpi_tb_uninstall_table()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * where .Address will be freed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) acpi_tb_invalidate_table(table_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * FUNCTION: acpi_tb_validate_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * DESCRIPTION: This function is called to validate the table, the returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * table descriptor is in "VALIDATED" state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) acpi_status acpi_tb_validate_table(struct acpi_table_desc *table_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ACPI_FUNCTION_TRACE(tb_validate_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) /* Validate the table if necessary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (!table_desc->pointer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) status = acpi_tb_acquire_table(table_desc, &table_desc->pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) &table_desc->length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) &table_desc->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (!table_desc->pointer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * FUNCTION: acpi_tb_invalidate_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * DESCRIPTION: Invalidate one internal ACPI table, this is the inverse of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * acpi_tb_validate_table().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ACPI_FUNCTION_TRACE(tb_invalidate_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) /* Table must be validated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (!table_desc->pointer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) acpi_tb_release_table(table_desc->pointer, table_desc->length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) table_desc->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) table_desc->pointer = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * FUNCTION: acpi_tb_validate_temp_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) * DESCRIPTION: This function is called to validate the table, the returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) * table descriptor is in "VALIDATED" state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (!table_desc->pointer && !acpi_gbl_enable_table_validation) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) * Only validates the header of the table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * Note that Length contains the size of the mapping after invoking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * this work around, this value is required by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) * acpi_tb_release_temp_table().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) * We can do this because in acpi_init_table_descriptor(), the Length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) * field of the installed descriptor is filled with the actual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) * table length obtaining from the table header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) table_desc->length = sizeof(struct acpi_table_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return (acpi_tb_validate_table(table_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) * FUNCTION: acpi_tb_check_duplication
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * table_index - Where the table index is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) * DESCRIPTION: Avoid installing duplicated tables. However table override and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) * user aided dynamic table load is allowed, thus comparing the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) * address of the table is not sufficient, and checking the entire
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) * table content is required.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) ACPI_FUNCTION_TRACE(tb_check_duplication);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* Check if table is already registered */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) /* Do not compare with unverified tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) if (!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) (acpi_gbl_root_table_list.tables[i].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) flags & ACPI_TABLE_IS_VERIFIED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * Check for a table match on the entire table length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) * not just the header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) if (!acpi_tb_compare_tables(table_desc, i)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) * Note: the current mechanism does not unregister a table if it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) * dynamically unloaded. The related namespace entries are deleted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * but the table remains in the root table list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) * The assumption here is that the number of different tables that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) * will be loaded is actually small, and there is minimal overhead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) * in just keeping the table in case it is needed again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) * If this assumption changes in the future (perhaps on large
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * machines with many table load/unload operations), tables will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) * need to be unregistered when they are unloaded, and slots in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) * root table list should be reused when empty.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) if (acpi_gbl_root_table_list.tables[i].flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) ACPI_TABLE_IS_LOADED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) /* Table is still loaded, this is an error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return_ACPI_STATUS(AE_ALREADY_EXISTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) *table_index = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) return_ACPI_STATUS(AE_CTRL_TERMINATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Indicate no duplication to the caller */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) * FUNCTION: acpi_tb_verify_temp_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * PARAMETERS: table_desc - Table descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * signature - Table signature to verify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * table_index - Where the table index is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) * DESCRIPTION: This function is called to validate and verify the table, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) * returned table descriptor is in "VALIDATED" state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) * Note that 'TableIndex' is required to be set to !NULL to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) * enable duplication check.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) char *signature, u32 *table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ACPI_FUNCTION_TRACE(tb_verify_temp_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) /* Validate the table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) status = acpi_tb_validate_temp_table(table_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) /* If a particular signature is expected (DSDT/FACS), it must match */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) if (signature &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) !ACPI_COMPARE_NAMESEG(&table_desc->signature, signature)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) ACPI_BIOS_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) "Invalid signature 0x%X for ACPI table, expected [%s]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) table_desc->signature.integer, signature));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) status = AE_BAD_SIGNATURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) goto invalidate_and_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if (acpi_gbl_enable_table_validation) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) /* Verify the checksum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) acpi_tb_verify_checksum(table_desc->pointer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) table_desc->length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) "%4.4s 0x%8.8X%8.8X"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) " Attempted table install failed",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) acpi_ut_valid_nameseg(table_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) signature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) ascii) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) table_desc->signature.ascii : "????",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) ACPI_FORMAT_UINT64(table_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) address)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) goto invalidate_and_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) /* Avoid duplications */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (table_index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) acpi_tb_check_duplication(table_desc, table_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) if (status != AE_CTRL_TERMINATE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) ACPI_EXCEPTION((AE_INFO, status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) "%4.4s 0x%8.8X%8.8X"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) " Table is already loaded",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) acpi_ut_valid_nameseg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) (table_desc->signature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) ascii) ? table_desc->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) signature.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) ascii : "????",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) ACPI_FORMAT_UINT64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) (table_desc->address)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) goto invalidate_and_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) table_desc->flags |= ACPI_TABLE_IS_VERIFIED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) invalidate_and_exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) acpi_tb_invalidate_table(table_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) * FUNCTION: acpi_tb_resize_root_table_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) * DESCRIPTION: Expand the size of global table array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) acpi_status acpi_tb_resize_root_table_list(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) struct acpi_table_desc *tables;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) u32 table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) u32 current_table_count, max_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) /* allow_resize flag is a parameter to acpi_initialize_tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (!(acpi_gbl_root_table_list.flags & ACPI_ROOT_ALLOW_RESIZE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) "Resize of Root Table Array is not allowed"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) return_ACPI_STATUS(AE_SUPPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* Increase the Table Array size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) table_count = acpi_gbl_root_table_list.max_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) table_count = acpi_gbl_root_table_list.current_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) max_table_count = table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) tables = ACPI_ALLOCATE_ZEROED(((acpi_size)max_table_count) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) sizeof(struct acpi_table_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) if (!tables) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) ACPI_ERROR((AE_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) "Could not allocate new root table array"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) /* Copy and free the previous table array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) current_table_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (acpi_gbl_root_table_list.tables) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) for (i = 0; i < table_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) if (acpi_gbl_root_table_list.tables[i].address) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) memcpy(tables + current_table_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) acpi_gbl_root_table_list.tables + i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) sizeof(struct acpi_table_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) current_table_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) ACPI_FREE(acpi_gbl_root_table_list.tables);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) acpi_gbl_root_table_list.tables = tables;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) acpi_gbl_root_table_list.max_table_count = max_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) acpi_gbl_root_table_list.current_table_count = current_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) * FUNCTION: acpi_tb_get_next_table_descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) * PARAMETERS: table_index - Where table index is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) * table_desc - Where table descriptor is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) * RETURN: Status and table index/descriptor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) * DESCRIPTION: Allocate a new ACPI table entry to the global table list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) acpi_tb_get_next_table_descriptor(u32 *table_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) struct acpi_table_desc **table_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) /* Ensure that there is room for the table in the Root Table List */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) if (acpi_gbl_root_table_list.current_table_count >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) acpi_gbl_root_table_list.max_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) status = acpi_tb_resize_root_table_list();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) i = acpi_gbl_root_table_list.current_table_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) acpi_gbl_root_table_list.current_table_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) if (table_index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) *table_index = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) if (table_desc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) *table_desc = &acpi_gbl_root_table_list.tables[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) * FUNCTION: acpi_tb_terminate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) * PARAMETERS: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) * DESCRIPTION: Delete all internal ACPI tables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) void acpi_tb_terminate(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) ACPI_FUNCTION_TRACE(tb_terminate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) /* Delete the individual tables */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) for (i = 0; i < acpi_gbl_root_table_list.current_table_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) acpi_tb_uninstall_table(&acpi_gbl_root_table_list.tables[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) * Delete the root table array if allocated locally. Array cannot be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * mapped, so we don't need to check for that flag.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) ACPI_FREE(acpi_gbl_root_table_list.tables);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) acpi_gbl_root_table_list.tables = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) acpi_gbl_root_table_list.flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) acpi_gbl_root_table_list.current_table_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) return_VOID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) * FUNCTION: acpi_tb_delete_namespace_by_owner
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) * DESCRIPTION: Delete all namespace objects created when this table was loaded.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) acpi_owner_id owner_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) ACPI_FUNCTION_TRACE(tb_delete_namespace_by_owner);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) if (table_index >= acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) /* The table index does not exist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) return_ACPI_STATUS(AE_NOT_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) /* Get the owner ID for this table, used to delete namespace nodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) owner_id = acpi_gbl_root_table_list.tables[table_index].owner_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) * Need to acquire the namespace writer lock to prevent interference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) * with any concurrent namespace walks. The interpreter must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) * released during the deletion since the acquisition of the deletion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) * lock may block, and also since the execution of a namespace walk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) * must be allowed to use the interpreter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) acpi_ns_delete_namespace_by_owner(owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) acpi_ut_release_write_lock(&acpi_gbl_namespace_rw_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) * FUNCTION: acpi_tb_allocate_owner_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) * DESCRIPTION: Allocates owner_id in table_desc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) acpi_status acpi_tb_allocate_owner_id(u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) acpi_status status = AE_BAD_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) ACPI_FUNCTION_TRACE(tb_allocate_owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) if (table_index < acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) acpi_ut_allocate_owner_id(&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) (acpi_gbl_root_table_list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) tables[table_index].owner_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) * FUNCTION: acpi_tb_release_owner_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) * DESCRIPTION: Releases owner_id in table_desc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) acpi_status acpi_tb_release_owner_id(u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) acpi_status status = AE_BAD_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) ACPI_FUNCTION_TRACE(tb_release_owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) if (table_index < acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) acpi_ut_release_owner_id(&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) (acpi_gbl_root_table_list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) tables[table_index].owner_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) * FUNCTION: acpi_tb_get_owner_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) * owner_id - Where the table owner_id is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) * DESCRIPTION: returns owner_id for the ACPI table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) acpi_status status = AE_BAD_PARAMETER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) ACPI_FUNCTION_TRACE(tb_get_owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (table_index < acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) *owner_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) acpi_gbl_root_table_list.tables[table_index].owner_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) * FUNCTION: acpi_tb_is_table_loaded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) * PARAMETERS: table_index - Index into the root table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) * RETURN: Table Loaded Flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) u8 acpi_tb_is_table_loaded(u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) u8 is_loaded = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) if (table_index < acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) is_loaded = (u8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) (acpi_gbl_root_table_list.tables[table_index].flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) ACPI_TABLE_IS_LOADED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) return (is_loaded);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) * FUNCTION: acpi_tb_set_table_loaded_flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) * is_loaded - TRUE if table is loaded, FALSE otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) * DESCRIPTION: Sets the table loaded flag to either TRUE or FALSE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if (table_index < acpi_gbl_root_table_list.current_table_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) if (is_loaded) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) acpi_gbl_root_table_list.tables[table_index].flags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) ACPI_TABLE_IS_LOADED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) acpi_gbl_root_table_list.tables[table_index].flags &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) ~ACPI_TABLE_IS_LOADED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) * FUNCTION: acpi_tb_load_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) * parent_node - Where table index is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) * DESCRIPTION: Load an ACPI table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) struct acpi_table_header *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) acpi_owner_id owner_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) ACPI_FUNCTION_TRACE(tb_load_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) * Note: Now table is "INSTALLED", it must be validated before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) * using.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) status = acpi_get_table_by_index(table_index, &table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) status = acpi_ns_load_table(table_index, parent_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) * responsible for discovering any new wake GPEs by running _PRW methods
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) * that may have been loaded by this table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) status = acpi_tb_get_owner_id(table_index, &owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) acpi_ev_update_gpes(owner_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) /* Invoke table handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) acpi_tb_notify_table(ACPI_TABLE_EVENT_LOAD, table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) * FUNCTION: acpi_tb_install_and_load_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) * PARAMETERS: address - Physical address of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) * flags - Allocation flags of the table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) * override - Whether override should be performed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) * table_index - Where table index is returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) * DESCRIPTION: Install and load an ACPI table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) acpi_tb_install_and_load_table(acpi_physical_address address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) u8 flags, u8 override, u32 *table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) ACPI_FUNCTION_TRACE(tb_install_and_load_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) /* Install the table and load it into the namespace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) status = acpi_tb_install_standard_table(address, flags, TRUE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) override, &i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) status = acpi_tb_load_table(i, acpi_gbl_root_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) *table_index = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) ACPI_EXPORT_SYMBOL(acpi_tb_install_and_load_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) * FUNCTION: acpi_tb_unload_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) * PARAMETERS: table_index - Table index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) * DESCRIPTION: Unload an ACPI table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) acpi_status acpi_tb_unload_table(u32 table_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) struct acpi_table_header *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) ACPI_FUNCTION_TRACE(tb_unload_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) /* Ensure the table is still loaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) if (!acpi_tb_is_table_loaded(table_index)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) return_ACPI_STATUS(AE_NOT_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) /* Invoke table handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) status = acpi_get_table_by_index(table_index, &table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) if (ACPI_SUCCESS(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) acpi_tb_notify_table(ACPI_TABLE_EVENT_UNLOAD, table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) /* Delete the portion of the namespace owned by this table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) status = acpi_tb_delete_namespace_by_owner(table_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) (void)acpi_tb_release_owner_id(table_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) acpi_tb_set_table_loaded_flag(table_index, FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) ACPI_EXPORT_SYMBOL(acpi_tb_unload_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) * FUNCTION: acpi_tb_notify_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) * PARAMETERS: event - Table event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) * table - Validated table pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) * DESCRIPTION: Notify a table event to the users.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) void acpi_tb_notify_table(u32 event, void *table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) /* Invoke table handler if present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) if (acpi_gbl_table_handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) (void)acpi_gbl_table_handler(event, table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) acpi_gbl_table_handler_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags